CN106809238B - Draft gear assemblies and there is its sit-astride track train - Google Patents
Draft gear assemblies and there is its sit-astride track train Download PDFInfo
- Publication number
- CN106809238B CN106809238B CN201611247638.0A CN201611247638A CN106809238B CN 106809238 B CN106809238 B CN 106809238B CN 201611247638 A CN201611247638 A CN 201611247638A CN 106809238 B CN106809238 B CN 106809238B
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- China
- Prior art keywords
- support arm
- lock piece
- pull bar
- movable part
- draft gear
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
- B61G7/10—Mounting of the couplings on the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a kind of draft gear assemblies and there is its sit-astride track train, the draft gear assemblies include：Pivoted arm, pull bar and lock piece, pivoted arm is adapted to mount on vehicle, pull bar is movably located on pivoted arm between folding position and stretch position, when pull bar is located at folding position, pull bar is packed up, when pull bar is located at stretch position, pull bar is suitable to external connection to pull vehicle, pull bar is provided with limiting section, lock piece movably coordinates with locking with limiting section or unclamps limiting section, pull bar is fixed on stretch position when limiting section is locked out part locking, and movable between folding position and stretch position when limiting section is locked out part release.Draft gear assemblies according to embodiments of the present invention, not only good appearance, the operating process of the company's of progress extension is simple and convenient between vehicle, and is covered draft gear assemblies using in general opening and closing device can, and the requirement to opening and closing device is relatively low.The structures of the draft gear assemblies is simple, good appearance, the requirement to opening and closing device are relatively low.
Description
Technical field
The present invention relates to train apparatus technical field, more particularly, to a kind of draft gear assemblies and has its sit-astride
Track train.
Background technology
Hitch in correlation technique does not all have folder function, and this hitch is applied to the bullet train of streamlined headstock
(avoiding being unfavorable for front portion on aerodynamics), because train is generally provided with opening and closing device in front portion, do not connecting the state of extension
Under, hitch is hidden within car body by opening and closing device closure, and only when even hanging, opening and closing device is opened, and hitch even hangs end face
It is exposed in body outer, so that hitch carries out even extension.Because car body is made, fairshaped size is smaller, and two cars are when even hanging, car
Hook it is exposed in the length minimum of body outer it is also ensured that two vehicles even hung can by horizontal bend, therefore,
Requirement to opening and closing device is smaller.
But for the not high low-floor railroad vehicle of the speed of service, due to the consideration of car body composite factor attractive in appearance, car
Head need not be made streamlined, and headstock width is bigger, and two vehicles that make even to hang pass through between headstock during horizontal bend mutually
Do not interfere, the axial clearance between two vehicles even hung should be not less than a certain critical value, i.e. company's vermicelli of hitch will stretch out
The outer a certain distance of headstock, if using existing hitch, hitch end is exposed longer outside, influence it is attractive in appearance, if utilized
Opening and closing device covers to it, then the requirement to opening and closing device is very high.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.
Therefore, the present invention proposes a kind of draft gear assemblies, the structures of the draft gear assemblies is simple, good appearance, to opening and closing device
Requirement it is relatively low.
The present invention also proposes a kind of sit-astride track train with above-mentioned draft gear assemblies.
The draft gear assemblies of embodiment according to a first aspect of the present invention, including：Pivoted arm, pull bar and lock piece, the pivoted arm are fitted
In on vehicle, the pull bar is movably located on the pivoted arm between folding position and stretch position, the drawing
When bar is located at the folding position, the pull bar is packed up, when the pull bar is located at the stretch position, the pull bar be suitable to it is outer
Portion is connected to pull the vehicle, and the pull bar is provided with limiting section, and the lock piece movably coordinates with the limiting section
With locking or the limiting section is unclamped, the pull bar is fixed on the stretching position when the limiting section is by the lock piece locking
Put, and it is movable between the folding position and the stretch position when the limiting section is unclamped by the lock piece.
Draft gear assemblies according to embodiments of the present invention, by being disposed with limiting section on pull bar, when pull bar is located at folding position
When putting, lock piece is separated with limiting section, and pull bar can be movable between folding position and stretch position, and pull bar is packed up, and works as drawing
When bar is located at stretch position, lock piece locking limiting section, pull bar is fixed on stretch position, it is bigger available for headstock width
The company's of progress extension between vehicle, draft gear assemblies will not it is exposed outside, not only good appearance, the operation of the company's of progress extension between vehicle
Journey is simple and convenient, and is covered draft gear assemblies using in general opening and closing device can, and the requirement to opening and closing device is relatively low.
The structures of the draft gear assemblies is simple, good appearance, the requirement to opening and closing device are relatively low.
In addition, draft gear assemblies according to embodiments of the present invention, can also have technical characteristic additional as follows：
According to one embodiment of present invention, the pivoted arm includes：Upper support arm, lower support arm and connecting seat, it is described on
Support arm and the lower support arm are arranged spaced apart, and first is respectively equipped with one end of the upper support arm and the lower support arm
Mounting hole, the pull bar are movably located between the upper support arm and the lower support arm, the connecting seat with it is described on
Support arm is connected with the other end of the lower support arm with the fixation upper support arm and the lower support arm.
According to one embodiment of present invention, the pull bar includes：Movable part, latch and bar body, the movable part
It is located between the upper support arm and the lower support arm, the movable part is provided with the second mounting hole, and the limiting section is located at
On the movable part, the latch through first mounting hole and second mounting hole be flexibly connected the movable part and
The pivoted arm, the bar body are connected with the movable part and pull the movable part and the pivoted arm suitable for stress.
According to one embodiment of present invention, the movable part is generally formed into column, and second mounting hole is along its axle
To insertion, the limiting section is located in the outside wall surface of the movable part and is formed as the stopper slot to cave inward, the lock piece
Movably coordinate with the stopper slot with locking or unclamp the movable part.
According to one embodiment of present invention, the stopper slot be formed as along the movable part axially through opening
Groove.
According to one embodiment of present invention, the lock piece is movably located on the pivoted arm, on the lock piece
Provided with the baffle plate being adapted to the stopper slot, the baffle plate limits the movable part and rotated when being located in the stopper slot, and institute
When stating the baffle plate disengaging stopper slot, the movable part is rotatable.
According to one embodiment of present invention, it is respectively equipped with along its axial direction and prolongs in the upper support arm and the lower support arm
The escape groove stretched, the lower wall surface of the lower support arm are provided with fixed seat, and the lower end of the lock piece passes through the lower support arm
Pivotly it is connected with the fixed seat, at least a portion of the upper end of the lock piece stretches into the described of the upper support arm and kept away
Allow in groove, the baffle plate is located on the side of the direction movable part of the lock piece, and the upper end of the lock piece is described
It is movable so that the baffle plate coordinates or departed from cooperation with the movable part in escape groove.
According to one embodiment of present invention, the draft gear assemblies also include：Drawstring, the drawstring and the lock piece phase
Connect to drive the lock piece to pivot.
According to one embodiment of present invention, the draft gear assemblies also include：Elastic component, the elastic component and the locking
The opposite side that part is connected and is connected positioned at the lock piece with drawstring, one end of the elastic component is fixed and the other end and the lock
Stop member is connected to apply and the drawstring opposite effect power to the lock piece.
According to one embodiment of present invention, the position of neighbouring first mounting hole is provided with support in the upper support arm
Frame, one end of the elastic component are connected with support frame as described above.
According to one embodiment of present invention, support frame as described above includes two, and two support frames as described above are located at described first
The both sides of mounting hole, the elastic component include two extension springs, one end of two extension springs respectively with described in two
Support frame is connected, and the other end is connected with the upper end of the lock piece.
According to one embodiment of present invention, the pull bar and the pivoted arm are formed in one part respectively.
The sit-astride track train of embodiment according to a second aspect of the present invention, including the hitch according to above-described embodiment
Component.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the stereogram of draft gear assemblies according to embodiments of the present invention；
Fig. 2 is the stereogram of the pivoted arm of draft gear assemblies according to embodiments of the present invention；
Fig. 3 is the stereogram of the pull bar of draft gear assemblies according to embodiments of the present invention；
Fig. 4 is the stereogram of the lock piece of draft gear assemblies according to embodiments of the present invention；
Fig. 5 is the top view of draft gear assemblies according to embodiments of the present invention；
Fig. 6 is the phantom of draft gear assemblies according to embodiments of the present invention.
Reference：
100：Draft gear assemblies；
10：Pivoted arm；10a：First mounting hole；10b：Escape groove；
11：Upper support arm；111：Support frame；
12：Lower support arm；121：Fixed seat；
13：Connecting seat；
20：Pull bar；
21：Movable part；21a：Second mounting hole；21b：Limiting section；
22：Latch；23：Bar body；
30：Lock piece；31：Baffle plate；
40：Drawstring；
50：Elastic component.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The draft gear assemblies 100 of embodiment according to a first aspect of the present invention are specifically described with reference to accompanying drawing 1 to Fig. 6 first below.
Draft gear assemblies 100 according to embodiments of the present invention include pivoted arm 10, pull bar 20 and lock piece 30, and pivoted arm 10 is suitable to peace
On vehicle, pull bar 20 is movably located on pivoted arm 10 between folding position and stretch position, and pull bar 20 is positioned at folding
During position, pull bar 20 is packed up, and when pull bar 20 is located at stretch position, pull bar 20 is suitable to external connection to pull vehicle, pull bar 20
Limiting section 21b is provided with, lock piece 30 and limiting section 21b movably coordinates with locking or unclamps limiting section 21b, and pull bar 20 exists
Limiting section 21b is fixed on stretch position when being locked out 30 locking of part, and is locked out in limiting section 21b when part 30 unclamps in folding position
Put movable between stretch position.
In other words, the draft gear assemblies 100 are mainly made up of pivoted arm 10, pull bar 20 and lock piece 30, and pivoted arm 10 can be arranged
On vehicle, be provided with pivoted arm 10 can between folding position and stretch position mobilizable pull bar 20, i.e. pull bar 20
One end is connected with pivoted arm 10, and the other end, which is communicated with the outside, to be connect, and can the carry out activity between folding position and stretch position,
Specifically, when pull bar 20 is located at folding position, pull bar 20 is packed up, and when pull bar 20 is located at stretch position, pull bar 20 can be drawn
Motor-car.
In addition, being provided with limiting section 21b on pull bar 20, the lock piece 30 of draft gear assemblies 100 can match with limiting section 21b
Close, to locking or unclamp limiting section 21b, when pull bar 20 is in extended state, lock piece 30 and limiting section 21b coordinates with right
Limiting section 21b carries out locking, so as to which pull bar 20 is fixed on into stretch position；When pull bar 20 is in unstretched condition, lock piece
30 are separated with limiting section 21b, allow the carry out activity between folding position and stretch position of pull bar 20, easy to operate.
Thus, draft gear assemblies 100 according to embodiments of the present invention, by being disposed with limiting section 21b on pull bar 20, work as drawing
When bar 20 is located at folding position, lock piece 30 and limiting section 21b is separated, and pull bar 20 can between folding position and stretch position
With activity, pull bar 20 is packed up, and when pull bar 20 is located at stretch position, the locking limiting section 21b of lock piece 30, pull bar 20 is fixed on
Stretch position, the draft gear assemblies 100 can be used for company of progress extension between the bigger railroad vehicle of headstock width, even during extension, hitch
Component 100 will not it is exposed outside, not only good appearance, and between vehicle the company's of progress extension operating process it is simple and convenient, and
Draft gear assemblies 100 are covered using in general opening and closing device can, the requirement to opening and closing device is relatively low.Therefore, the car
The structure of hook assembly 100 is simple, good appearance, the requirement to opening and closing device are relatively low.
In certain specific embodiments of the invention, pivoted arm 10 includes upper support arm 11, lower support arm 12 and connecting seat
13, upper support arm 11 and lower support arm 12 are arranged spaced apart, and is respectively equipped with one end of upper support arm 11 and lower support arm 12
One mounting hole 10a, pull bar 20 are movably located between upper support arm 11 and lower support arm 12, connecting seat 13 and upper support arm 11
It is connected with the other end of lower support arm 12 to fix upper support arm 11 and lower support arm 12.
In other words, pivoted arm 10 is mainly made up of upper support arm 11, lower support arm 12 and connecting seat 13, upper support arm 11 with
The relative spacing of lower support arm 12 opens arrangement, and one end of upper support arm 11, one end of lower support arm 12 are connected with connecting seat 13, on
The other end of support arm 11 is provided with the first mounting hole 10a, and the other end of lower support arm 12 is again provided with the first mounting hole
10a, i.e., the first mounting hole 10a is respectively arranged with the free end of the free end of upper support arm 11 and upper support arm 11, in upper branch
Pull bar 20 is disposed between brace 11 and lower support arm 12, i.e., pull bar 20 is between upper support arm 11 and lower support arm 12.
Specifically, one end of upper support arm 11 and lower support arm 12 is connected with connecting seat 13, with to upper support arm 11 and under
Support arm 12 plays fixation, and the other end of upper support arm 11 and lower support arm 12 passes through the first mounting hole 10a thereon respectively
It is connected with pull bar 20, so as to which pull bar 20 be movably connected on pivoted arm 10, makes pull bar 20 relative to the He of upper support arm 11
Lower support arm 12 can carry out activity, i.e. pull bar 20 can be in folding position and drawing relative to upper support arm 11 and lower support arm 12
Carry out activity between position is stretched, so as to realize the stretching of draft gear assemblies 100 and jackknife action.
Wherein, pull bar 20 includes：Movable part 21, latch 22 and bar body 23, movable part 21 are located at the He of upper support arm 11
Between lower support arm 12, movable part 21 is provided with the second mounting hole 21a, and limiting section 21b is located on movable part 21, and latch 22 passes through
First mounting hole 10a and the second mounting hole 21a is to be flexibly connected movable part 21 and pivoted arm 10, bar body 23 and the phase of movable part 21
Even and suitable for stress pull movable part 21 and pivoted arm 10.
That is, pull bar 20 is mainly made up of movable part 21, latch 22 and bar body 23, movable part 21 is located at upper branch
Between brace 11 and lower support arm 12, the second mounting hole 21a is disposed with movable part 21, limiting section is there also is provided on movable part 21
21b, after pull bar 20 assembles with pivoted arm 10, the latch 22 and one end and the movable part of upper support arm 11 and lower support arm 12 of pull bar 20
21 are connected, so as to realize that bar body 23 is connected with movable part 21.
Specifically, latch 22 is by inserting the first mounting hole 10a of upper support arm 11 and lower support arm 12 and movable part 21
The second mounting hole 21a, one end of upper support arm 11 and lower support arm 12 is connected with movable part 21, make pivoted arm 10 relative to
Pull bar 20 is rotatable, and when the bar body 23 of pull bar 20 is acted on by external force, movable part 21 and pivoted arm 10 can be drawn
It is dynamic, to realize the stretching of pull bar 20 and folding.
Alternatively, movable part 21 is generally formed into column, and the second mounting hole 21a is along it axially through limiting section 21b is located at
In the outside wall surface of movable part 21 and be formed as the stopper slot to cave inward, lock piece 30 movably coordinates with locking with stopper slot
Or unclamp movable part 21.
Specifically, movable part 21, which extends in vertical direction, is in the form of a column arrangement, and the second mounting hole 21a is arranged in movable part 21
Center, and along movable part 21 axially through there also is provided limiting section 21b, limiting section on the periphery wall of movable part 21
21b forms the stopper slot to be caved inward relative to the neighboring of movable part 21, by setting stopper slot on movable part 21, makes
Lock piece 30 can facilitate to be engaged with stopper slot, with when pull bar 20 needs to stretch or folded, the locking of lock piece 30 or pine
Movable part 21 is opened, it is easy to control.
Further, pull bar 20 in stretch position, insert in stopper slot, i.e. lock piece by least a portion of lock piece 30
30 locked movable parts 21, when pull bar 20 is movable between stretching and folding, lock piece 30 departs from stopper slot, the i.e. pine of lock piece 30
Movable part 21 is opened, is not only simple in structure, and completes stretching and folding process conveniently.
Preferably, stopper slot be formed as along movable part 21 axially through open slot.
Reference picture 3, stopper slot are arranged in side relative with bar body 23 on movable part 21, and stopper slot is relative to activity
The outside wall surface in portion 21 is along being radially-inwardly recessed, i.e., stopper slot penetrates on the axial direction of movable part 21, and is formed along work
Dynamic portion 21 is radially extended as open slot, the generally U-shaped arrangement of sectional area of open slot, lock piece 30 can by with stopper slot
Coordinate with locking or unclamp movable part 21.
In addition, lock piece 30 is movably located on pivoted arm 10, lock piece 30 is provided with the baffle plate 31 being adapted to stopper slot,
Limit movable part 21 when baffle plate 31 is located in stopper slot to rotate, and during the disengaging stopper slot of baffle plate 31, movable part 21 is rotatable.
That is, lock piece 30 is arranged on pivoted arm 10, baffle plate 31, baffle plate 31 and activity are provided with lock piece 30
Stopper slot in portion 21 is set with being adapted, and lock piece 30 can be movable relative to pivoted arm 10, specifically, in baffle plate 31 positioned at limit
When in the groove of position, baffle plate 31 is connected in stopper slot, limits the activity of movable part 21, pull bar 20 is in extended state, when baffle plate 31
When departing from stopper slot, baffle plate 31 will not be limited movable part 21, i.e., movable part 21 can be rotated around latch 22, drawn
Bar 20 can be movable between stretching and folding position.
Alternatively, it is respectively equipped with upper support arm 11 and lower support arm 12 along its axially extending escape groove 10b, lower support
The lower wall surface of arm 12 is provided with fixed seat 121, and the lower end of lock piece 30 is through lower support arm 12 and fixed seat 121 pivotly phase
Even, at least a portion of the upper end of lock piece 30 is stretched into the escape groove 10b of upper support arm 11, and baffle plate 31 is located at lock piece 30
Towards on the side of movable part 21, the upper end of lock piece 30 is movable in escape groove 10b so that baffle plate 31 coordinates with movable part
Or depart from and coordinate.
Escape groove 10b is respectively disposed with reference picture 2, upper support arm 11 and lower support arm 12, escape groove 10b is close to first
Mounting hole 10a is set, and is extended respectively along the length direction of upper support arm 11 and lower support arm 12, and escape groove 10b exists respectively
Penetrated in the axial direction of upper support arm 11 and lower support arm 12, i.e., the escape groove 10b in upper support arm 11 is along upper support arm 11
First mounting hole 10a axially through first mounting hole 10as of the escape groove 10b along lower support arm 12 in lower support arm 12
Axially through the escape groove 10b on escape groove 10b and lower support arm 12 in upper support arm 11 is oppositely arranged.
Further, fixed seat 121 is provided with the lower wall surface of lower support arm 12, as shown in figure 1, under lock piece 30
End can pass through the escape groove 10b in lower support arm 12 to be connected with fixed seat 121, realize that lock piece 30 can with fixed seat 121
Pivotally it is connected, the upper end of lock piece 30 can pass through the escape groove 10b in upper support arm 11 and stretch out outside upper support arm 11,
The side of baffle plate 31 on lock piece 30 arranges that i.e. baffle plate 31 is towards the upper limit position groove of movable part 21 towards the side of movable part 21
Side is set.
Thus, by stretching at least a portion of the upper end of lock piece 30 in the escape groove 10b of upper support arm 11, locking
The upper end of part 30 can carry out activity in escape groove 10b, when side movement of the lock piece 30 towards movable part 21, baffle plate 31
Inserting in stopper slot, lock piece 30 coordinates with the locking of movable part 21, when lock piece 30 is backwards to the movement of the side of movable part 21, gear
Plate 31 departs from stopper slot, and lock piece 30 unclamps with movable part 21 to be coordinated.
Advantageously, draft gear assemblies 100 also include drawstring 40, and drawstring 40 is connected with lock piece 30 to drive the pivot of lock piece 30
Turn.
As shown in figure 1, drawstring 40 is connected with the upper end of lock piece 30, and drawstring 40 is located at the side of lock piece 30 (such as
Left side shown in Fig. 1) can be by applying external force to drawstring 40 so that and lock piece 30 is pivoted around fixed seat 121, that is, locks
The carry out activity in escape groove 10b of stop member 30, when drawstring 40 applies pulling force to the upper end of lock piece 30, lock piece 30 is away from activity
Portion 21 is pivoted, and baffle plate 31 departs from stopper slot, and operating process is simple and convenient, and very laborsaving by the effect of drawstring 40.
Preferably, draft gear assemblies 100 also include：Elastic component 50, elastic component 50 are connected with lock piece 30 and are located at lock piece
30 opposite sides being connected with drawstring 40, one end of elastic component 50 is fixed and the other end is connected with lock piece 30 to be applied to lock piece 30
Add and the opposite effect power of drawstring 40.
Reference picture 1, one end of elastic component 50 are fixed in the upper support arm 11 of pivoted arm 10, the other end and lock of elastic component 50
The upper end of stop member 30 is connected, and the opposite side that elastic component 50 is located at the lock piece 30 relative with drawstring 40 is (right as shown in Figure 1
Side), i.e., drawstring 40 is on same straight line with the connection end of lock piece 30 and the connection end of elastic component 50 and lock piece 30, and is drawn
Rope 40 is located at the right side of lock piece 30 positioned at the left side of lock piece 30, elastic component 50.
One end of elastic component 50 is fixedly connected on the first mounting hole 10a of upper support arm 11 edge, passes through elastic component 50
With the connection of lock piece 30, lock piece 30 can be applied and lock piece 30 is applied with the opposite effect power of drawstring 40, i.e. drawstring 40
When adding pulling force (active force to the left as shown in Figure 1), elastic component 50 applies active force to the right to lock piece 30, and drawstring 40 is right
When lock piece 30 does not apply active force, elastic component 50 applies active force to the left to lock piece 30.
Wherein, neighbouring first mounting hole 10a position is provided with support frame 111, one end of elastic component 50 in upper support arm 11
It is connected with support frame 111, i.e., support frame 111 is additionally provided with the upper surface of upper support arm 11, support frame 111 is close to the first installation
Arranged at the 10a of hole, one end of elastic component 50 is connected with support frame 111, to play fixation to one end of elastic component 50.
Further, support frame 111 includes two, and two support frames 111 are located at the first mounting hole 10a both sides, elasticity
Part 50 includes two extension springs, and one end of two extension springs is connected with two support frames 111 respectively, the other end and lock piece
30 upper end is connected.
Specifically, as depicted in figs. 1 and 2, two support frames 111, two support frames 111 are disposed with upper support arm 11
Respectively positioned at both sides relative the first mounting hole 10a, i.e. spaced apart width wise of two support frames 111 along upper support arm 11
Arrange and be arranged on the edge of the first mounting hole 10a opposite sides, in addition, being provided with two bullets in upper support arm 11
Property part 50, one end of two elastic components 50 are connected with two support frames 111 respectively, the other ends of two elastic components 50 respectively with
The upper end of lock piece 30 is connected, by being equipped with for two support frames 111 and two elastic components 50, by two elastic components
50 one end fixes, and the other end can apply and the opposite effect power of drawstring 40 to lock piece 30.
Preferably, pull bar 20 and pivoted arm 10 are formed in one part respectively, and thus, integrally formed structure can not only ensure
The properity stability of pull bar 20 and pivoted arm 10, and be conveniently molded, be simple to manufacture, and eliminate unnecessary assembly parts
And process is connected, the efficiency of assembling of draft gear assemblies 100 is substantially increased, ensures the connection reliability of draft gear assemblies 100, then
The bulk strength and stability of the integrally formed structure of person, pull bar 20 and pivoted arm 10 are higher, and assembling is more convenient, and the life-span is longer.
The draft gear assemblies 100 of the embodiment of the present invention are described with reference to specific embodiment.
As shown in Figures 1 to 6, draft gear assemblies 100 according to embodiments of the present invention include pivoted arm 10, pull bar 20, lock piece
30th, drawstring 40 and elastic component 50, wherein, pivoted arm 10 includes upper support arm 11, lower support arm 12 and connecting seat 13, and pull bar 20 includes
Movable part 21, latch 22 and bar body 23.
Specifically, one end of upper support arm 11 and lower support arm 12 is connected with connecting seat 13, and the other end is formed as free end,
The free end of upper support arm 11 and lower support arm 12 is respectively arranged with the first mounting hole 10a, pacifies in upper support arm 11 close to first
Dress hole 10a both sides are disposed with two support frames 111, and the middle part of upper support arm 11 and lower support arm 12 is respectively arranged with escape groove
10b, fixed seat 121 is provided with the lower wall surface of lower support arm 12.
The lower end of lock piece 30 is connected through the escape groove 10b of lower support arm 12 with fixed seat 121, lock piece 30 it is upper
The escape groove 10b of upper support arm 11 is stretched out at end, and drawstring 40 is located at the side of lock piece 30 and is connected with the upper end of lock piece 30, and two
Individual elastic component 50 is located at the opposite side of lock piece 30 and one end is connected with the upper end of lock piece 30, the other end of two elastic components 50
It is connected respectively with two support frames 111, the middle part of lock piece 30 is provided with baffle plate 31, there is the second installation on movable part 21
Hole 21a and limiting section 21b, for movable part 21 between upper support arm 11 and lower support arm 12, latch 22 inserts the first mounting hole
Movable part 21 is movably connected by 10a and the second mounting hole 21a with pivoted arm 10, and bar body 23 is connected with movable part 21.
When pull bar 20 is needed in stretching and folding position activity, active force is applied to drawstring 40 so that lock piece 30 exists
Pivoted in escape groove 10b away from movable part 21, the baffle plate 31 on lock piece 30 departs from the limiting section 21b on movable part 21, locking
Part 30 separates with movable part 21, when pull bar 20 is in stretch position, does not apply any active force, two elastic components to drawstring 40
50 produce the effect of power in the presence of restoring force, to lock piece 30 so that lock piece 30 is in escape groove 10b towards movable part
21 are pivoted, and the baffle plate 31 of lock piece 30 is inserted in the limiting section 21b of movable part 21, the locking movable part 21 of lock piece 30 so that living
Dynamic portion 21 is fixed on stretch position.
The sit-astride track train (not shown) of embodiment is included according to above-described embodiment according to a second aspect of the present invention
Draft gear assemblies 100, because draft gear assemblies 100 according to the above embodiment of the present invention have above-mentioned technique effect, therefore, according to this
The sit-astride track train of inventive embodiments also has a corresponding technique effect, i.e., the structure of the sit-astride track train it is simple,
Easy to operate, to opening and closing device the requirement that good appearance, hitch are folded or even hung is relatively low.
Specifically, by setting draft gear assemblies 100 between the two neighboring vehicle of sit-astride track train, due to hitch
Limiting section 21b is disposed with the pull bar 20 of component 100, when pull bar 20 is located at folding position, lock piece 30 and limiting section 21b phases
Separation, pull bar 20 can be movable between folding position and stretch position, and pull bar 20 is packed up, when pull bar 20 is located at stretch position
When, the locking limiting section 21b of lock piece 30, pull bar 20 is fixed on stretch position, draft gear assemblies 100 will not it is exposed outside, no
Only good appearance, the operating process of the company's of progress extension is simple and convenient between vehicle, and using in general opening and closing device can by car
Hook assembly 100 covers, and the requirement to opening and closing device is relatively low.
Draft gear assemblies 100 according to embodiments of the present invention and other compositions with its sit-astride track train and behaviour
It is knowable for the person of ordinary skill of the art, is not described in detail herein.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (13)
- A kind of 1. draft gear assemblies, it is characterised in that including：Pivoted arm, the pivoted arm are adapted to mount on vehicle, and the pivoted arm includes：Upper support arm and lower support arm, the upper support Arm and the lower support arm are arranged spaced apart, and the first installation is respectively equipped with one end of the upper support arm and the lower support arm Hole；Pull bar, the pull bar are movably located on the pivoted arm between folding position and stretch position, and the pull bar is located at During the folding position, the pull bar is packed up, and when the pull bar is located at the stretch position, the pull bar is suitable to and external connection To pull the vehicle, the pull bar is provided with limiting section；Lock piece, the lock piece movably coordinate with locking with the limiting section or unclamp the limiting section, the pull bar The stretch position is fixed on when the limiting section is by the lock piece locking, and in the limiting section by lock piece pine It is movable between the folding position and the stretch position when opening；The pull bar is movably located between the upper support arm and the lower support arm, the upper support arm and the lower branch It is respectively equipped with brace along its axially extending escape groove, the lower wall surface of the lower support arm and is provided with fixed seat, the locking The lower end of part is pivotly connected through the lower support arm with the fixed seat, at least a portion of the upper end of the lock piece Stretch into the escape groove of the upper support arm.
- 2. draft gear assemblies according to claim 1, it is characterised in that the pivoted arm also includes：Connecting seat, the connecting seat are connected with the other end of the upper support arm and the lower support arm with the fixation upper support Arm and the lower support arm.
- 3. draft gear assemblies according to claim 1, it is characterised in that the pull bar includes：Movable part, the movable part are located between the upper support arm and the lower support arm, and the movable part is provided with second Mounting hole, the limiting section are located on the movable part；Latch, the latch is through first mounting hole and second mounting hole to be flexibly connected the movable part and described Pivoted arm；Bar body, the bar body are connected with the movable part and pull the movable part and the pivoted arm suitable for stress.
- 4. draft gear assemblies according to claim 3, it is characterised in that the movable part is generally formed into column, and described Two mounting holes are located in the outside wall surface of the movable part axially through, the limiting section along it and are formed as caving inward spacing Groove, the lock piece movably coordinate with locking with the stopper slot or unclamp the movable part.
- 5. draft gear assemblies according to claim 4, it is characterised in that the stopper slot is formed as the axle along the movable part To the open slot of insertion.
- 6. draft gear assemblies according to claim 4, it is characterised in that the lock piece is movably located at the pivoted arm On, the lock piece is provided with the baffle plate being adapted to the stopper slot, when the baffle plate is located in the stopper slot described in limitation Movable part rotates, and during the baffle plate disengaging stopper slot, the movable part is rotatable.
- 7. draft gear assemblies according to claim 6, it is characterised in that the baffle plate is located at described in the direction of the lock piece On the side of movable part, the upper end of the lock piece is movable in the escape groove so that the baffle plate is matched somebody with somebody with the movable part Close or depart from and coordinate.
- 8. draft gear assemblies according to claim 7, it is characterised in that also include：Drawstring, the drawstring and the lock piece It is connected to drive the lock piece to pivot.
- 9. draft gear assemblies according to claim 8, it is characterised in that also include：Elastic component, the elastic component and the lock The opposite side that stop member is connected and is connected with drawstring positioned at the lock piece, one end of the elastic component fix and the other end with it is described Lock piece is connected to apply and the drawstring opposite effect power to the lock piece.
- 10. draft gear assemblies according to claim 9, it is characterised in that neighbouring described first installation in the upper support arm The position in hole is provided with support frame, and one end of the elastic component is connected with support frame as described above.
- 11. draft gear assemblies according to claim 10, it is characterised in that support frame as described above includes two, two branch Support is located at the both sides of first mounting hole, and the elastic component includes two extension springs, and the one of two extension springs End is connected with two support frames as described above respectively, and the other end is connected with the upper end of the lock piece.
- 12. draft gear assemblies according to claim 3, it is characterised in that the pull bar and the pivoted arm are integrated into respectively Type part.
- 13. a kind of sit-astride track train, it is characterised in that including the draft gear assemblies any one of claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247638.0A CN106809238B (en) | 2016-12-29 | 2016-12-29 | Draft gear assemblies and there is its sit-astride track train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247638.0A CN106809238B (en) | 2016-12-29 | 2016-12-29 | Draft gear assemblies and there is its sit-astride track train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106809238A CN106809238A (en) | 2017-06-09 |
| CN106809238B true CN106809238B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611247638.0A Active CN106809238B (en) | 2016-12-29 | 2016-12-29 | Draft gear assemblies and there is its sit-astride track train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106809238B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455192B (en) * | 2017-09-06 | 2019-08-27 | 常州中车铁马科技实业有限公司 | Folding type coupler locking mechanism and working method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064091B (en) * | 1957-11-21 | 1959-08-27 | Fischer Ag Georg | Suspension device for a central buffer coupling |
| DE2315369A1 (en) * | 1972-08-09 | 1974-02-21 | Mini Verkehrswesen | COUPLING JOINT FOR INDEPENDENT CENTER BUFFER COUPLINGS ON RAIL VEHICLES |
| DE4227181C1 (en) * | 1992-08-17 | 1994-01-05 | Scharfenbergkupplung Gmbh | Support and centering device |
| CN103167979A (en) * | 2010-10-22 | 2013-06-19 | 麦科恩威特尔莱伊公司 | Rotary coupler for a railway car |
| CN204161012U (en) * | 2014-07-14 | 2015-02-18 | 烟台爱科机械设备有限公司 | A kind of lockable mechanism of little trailer towing bar |
-
2016
- 2016-12-29 CN CN201611247638.0A patent/CN106809238B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064091B (en) * | 1957-11-21 | 1959-08-27 | Fischer Ag Georg | Suspension device for a central buffer coupling |
| DE2315369A1 (en) * | 1972-08-09 | 1974-02-21 | Mini Verkehrswesen | COUPLING JOINT FOR INDEPENDENT CENTER BUFFER COUPLINGS ON RAIL VEHICLES |
| DE4227181C1 (en) * | 1992-08-17 | 1994-01-05 | Scharfenbergkupplung Gmbh | Support and centering device |
| CN103167979A (en) * | 2010-10-22 | 2013-06-19 | 麦科恩威特尔莱伊公司 | Rotary coupler for a railway car |
| CN204161012U (en) * | 2014-07-14 | 2015-02-18 | 烟台爱科机械设备有限公司 | A kind of lockable mechanism of little trailer towing bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106809238A (en) | 2017-06-09 |
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