CN207416877U - The coupler and draft gear and rail vehicle of adjustable initial pressure - Google Patents

Abstract

The utility model discloses a kind of coupler and draft gears and rail vehicle of adjustable initial pressure, including draw ring, initial pressure adjustment unit, buffer cell, inner cylinder liner, outer cylinder and retainer ring, initial pressure adjustment unit includes connecting shaft, regulation stud and elastic device, draw ring is with being connected axis connection, connecting axis center has tapped through hole, regulation stud is threadedly coupled with tapped through hole, one end of the separate draw ring of regulation stud is connected with elastic device, the other end of elastic device is connected with buffer cell, elastic device and buffer cell are arranged in the inner cylinder liner, inner casing is set in outer cylinder.The coupler and draft gear of adjustable initial pressure according to the present utility model can ensure buffer unit performance requirement and service life, be more easy to realize generalization and seriation, reduce the dimension precision requirement and processing cost of each parts.

Description

The coupler and draft gear and rail vehicle of adjustable initial pressure

Technical field

The utility model is related to a kind of traction buffer protection device, the hitch buffering of more particularly to a kind of adjustable initial pressure Device and rail vehicle.

Background technology

Inventor has found that in the prior art, the initial pressure of the coupler and draft gear of rail vehicle can not be according to car load Size and vehicle bumper performance requirement are changed.Initial pressure is to the longitudinal acceleration of train and the shadow of vehicular longitudinal vibration frequency Sound is larger, and coupler and draft gear initial pressure is too small to cause buffer that cannot restore completely, so as to increase the gap between vehicle, vehicle The initial pressure of hook buffer unit is excessive, and the extensional vibration amplitude and frequency of vehicle are also bigger, and longitudinal comfort level of passenger is also Poorer, coupler and draft gear abrasion increase, while increase the installation dimension of coupler and draft gear.Existing coupler and draft gear It can not ensure initial pressure matching cushion performance and car load, be susceptible to the excessive or too small situation of initial pressure.

The content of the invention

The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality With a kind of coupler and draft gear of adjustable initial pressure of new proposition, the coupler and draft gear of the adjustable initial pressure can basis Car load size and vehicle bumper performance requirement make coupler and draft gear have suitable initial pressure.

The utility model also proposed a kind of rail vehicle of the coupler and draft gear with above-mentioned adjustable initial pressure.

The coupler and draft gear of adjustable initial pressure according to the present utility model including draw ring, initial pressure adjustment unit, delays Unit, inner cylinder liner and outer cylinder are rushed, the initial pressure adjustment unit includes regulating device and elastic device, the regulating device One end is connected with the draw ring, and the other end of the regulating device is connected with one end of the elastic device, and described adjust fills Putting can be such that the elastic device in axial direction moves, and the other end of the elastic device is connected with the buffer cell, described Elastic device and the buffer cell are arranged in the inner cylinder liner, and the inner casing is set in the outer cylinder.

The coupler and draft gear of adjustable initial pressure according to the present utility model, can by regulating device elastic device In axial direction to move, so as to regulation elasticity device initial pressure, play the role of adjust coupler and draft gear initial pressure, It can ensure the performance requirement and service life of coupler and draft gear, to the matching higher of different loads vehicle, be more easy to realize logical With change and seriation；Simultaneously as regulating device can be such that elastic device in axial direction moves, so as to change axial each zero The relative position of part can reduce the axial limiting dimension precision requirement and processing cost of each parts.

One embodiment according to the present utility model, the regulating device include connecting shaft and regulation stud, the connection Axis is in axial direction set and the connection axis center has tapped through hole, and the regulation stud passes through the tapped through hole and institute Connecting shaft threaded connection is stated, the one end of the connecting shaft away from elastic device is connected with the draw ring, and the one of the regulation stud End is connected with one end of the elastic device.

One embodiment according to the present utility model, the one end of the tapped through hole away from elastic device are provided with cover board, The cover board is fixedly connected with the connecting shaft.

One embodiment according to the present utility model, the connecting shaft has shoulder close to one end of elastic device, described Shoulder is located in the inner cylinder liner.

One embodiment according to the present utility model, the elastic device include sliding block, elastic component and briquetting, the elasticity One end of part is connected with the sliding block, and the other end of the elastic component is connected with the briquetting, described in the regulation stud pressing Sliding block, the briquetting press the buffer cell；Or the regulation stud presses the briquetting, the sliding block pressing is described slow Rush unit.

One embodiment according to the present utility model, the elastic component are disc spring, and the briquetting includes pedestal and the bottom of positioned at The boss of seat one side, and the disc spring is socketed the boss, the sliding block close to buffer cell or close to regulating device one End has been disposed proximate to the first centre bore and the second centre bore side by side, and the internal diameter of first centre bore is less than second centre bore Internal diameter, the disc spring and the boss be at least partially disposed in the first centre bore, and the pedestal is at least partially disposed at described In two centre bores.

One embodiment according to the present utility model, the inner cylinder liner are equipped with open slot, the upper/lower terminal quilt of the sliding block It is limited in the open slot.

One embodiment according to the present utility model, the barrel of the outer cylinder are equipped with anti-rotation plug screw, the inner cylinder liner Correspondence position is in axial direction equipped with rectangular channel, and the anti-rotation plug screw can slide axially along the rectangular channel.

One embodiment according to the present utility model further includes retainer ring, one end of the outer cylinder and the retainer ring It is fixedly connected, the retainer ring abuts the inner cylinder liner, and the other end of the outer cylinder is equipped with clamp nut, the clamp nut Outside is provide with cylinder cap, and the cylinder cap is fixedly connected with the outer cylinder.

The rail vehicle and the buffer unit of above-mentioned adjustable initial pressure are compared with advantage possessed by the prior art Identical, details are not described herein.

Description of the drawings

The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment Become apparent and be readily appreciated that, wherein：

Fig. 1 is the coupler and draft gear schematic diagram of the adjustable initial pressure of one embodiment of the utility model；

Fig. 2 is the inner cylinder liner top half structure diagram of one embodiment of the utility model；

Fig. 3 is the slide block structure schematic diagram of one embodiment of the utility model；

Fig. 4 is the connecting axle structure schematic diagram of one embodiment of the utility model；

Reference numeral：

Draw ring 1, cover board 2, connecting shaft 3, regulation stud 4, cylinder cap 5, clamp nut 6, sliding block 7, elastic component 8, briquetting 9 are convex Platform 901, pedestal 902, outer steel cylinder 10, inner cylinder liner 11, buffer cell 12, anti-rotation plug screw 13, retainer ring 14, open slot 15, rectangle Slot 16, the first centre bore 17, the second centre bore 18, tapped through hole 19, shoulder 20, initial pressure adjustment unit 100, regulating device 101, elastic device 102.

Specific embodiment

The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.

In the description of the utility model, it is to be understood that term " " center ", "left", "right", " on ", " under ", The orientation or position relationship of the instructions such as " interior ", " outer ", " axial direction ", " circumferential direction " be based on orientation shown in the drawings or position relationship, It is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element must have Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.

In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be Mechanical connection or electrical connection can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through Even, can be the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

The coupler and draft gear of the adjustable initial pressure of the utility model embodiment is carried out with reference to Fig. 1 to Fig. 4 detailed Thin description.

The coupler and draft gear of adjustable initial pressure according to the present utility model, as shown in Figure 1, including draw ring 1, initial pressure Adjustment unit 100, buffer cell 12, inner cylinder liner 11 and outer cylinder 10.Initial pressure adjustment unit 100 includes 101 He of regulating device Elastic device 102, one end of regulating device 101 are connected with draw ring 1, the other end of regulating device 101 and the one of elastic device 102 End connection, and regulating device 101 can be such that elastic device 102 in axial direction moves, the other end and buffering of elastic device 102 are single Member 12 connects, and elastic device 102 and buffer cell 12 are arranged in inner cylinder liner 11, and inner cylinder liner 11 is arranged in outer cylinder 10.

The coupler and draft gear of adjustable initial pressure according to the present utility model changes elastic dress by regulating device 101 The position in 102 left and right direction, i.e. axial position are put, so as to the initial pressure of regulation elasticity device 102, adjusting hitch is played and delays The effect of the initial pressure of flushing device, it is ensured that the performance requirement and service life of buffer unit, the matching to different loads vehicle Property higher, be more easy to realize generalization and seriation；Simultaneously as regulating device can move axially elastic device, so as to change The relative position of axial each parts can reduce the axial limiting dimension precision requirement and processing cost of each parts.

In some preferred embodiments of the utility model, as shown in Figure 1 and Figure 4, regulating device 101 includes connecting shaft 3 With regulation stud 4, connecting shaft 3 is in axial direction set, and 3 center of connecting shaft has tapped through hole 19, and regulation stud 4 passes through spiral shell Line through hole 19 is threadedly coupled with connecting shaft 3, and the one end of connecting shaft 3 away from elastic device 102 is connected with draw ring 1, regulation stud 4 One end is connected with one end of elastic device 102.Regulation stud 4 presses elastic device 102, by rotating regulation stud 4, changes and adjusts Save the extension elongation of one end of stud 4, the axial position of regulation elasticity device 102.

In some preferred embodiments of the utility model, the one end of tapped through hole 19 away from elastic device 102 is provided with Cover board 2, cover board 2 are fixedly connected with connecting shaft 3.After rotation regulation stud 4 adjusts the initial pressure of buffer unit, cover board 2 is pressed It in 4 left end of regulation stud, and is fixedly connected with connecting shaft 3 by screw, prevents regulation stud 4 from being squeezed by elastic device 102 It presses and generates loosening.

In some preferred embodiments of the utility model, connecting shaft 3 has shoulder close to one end of elastic device 102 20, shoulder 20 is located in the inner cylinder liner 11.The right end of shoulder 20 is provided with elastic device 102, and the left end of shoulder 20 is equipped with interior The vertical ladder protrusion of cylinder sleeve 11 inwards.In vehicle travel process, when stretching buffer unit, drawing force is transferred to by draw ring 1 Connecting shaft 3, connecting shaft 3 press the vertical ladder protrusion of inner cylinder liner 11 inwards by shoulder 20, inner cylinder liner 11 are pulled to slide to the left, Inner cylinder liner 11 pulls buffer cell 12 to compress to the left, and drawing force is transferred to elastic device 102；During compression cushioning device, pressure Contracting power is transferred to connecting shaft 3 by draw ring 1, and connecting shaft 3 can to the right be slided along inner cylinder liner 11, and connecting shaft 3 is passed by regulation stud 4 Compression stress is passed to elastic device 102, and compression stress is transferred to buffer cell 12 by elastic device 102.

In some preferred embodiments of the utility model, as shown in Figure 1, elastic device 102 includes sliding block 7, elastic component 8 With briquetting 9, one end of elastic component 8 is connected with sliding block 7, and the other end of elastic component 8 is connected with briquetting 9, and regulation stud 4 presses sliding block 7, briquetting 9 presses buffer cell 12；Or regulation stud 4 presses briquetting 9, sliding block 7 presses buffer cell 12.When shock loading is small When the initial pressure of buffer cell 12, impact energy is absorbed by elastic device 102, plays the cushioning effect of vehicle；When impact carries When lotus is more than the initial pressure of buffer cell 12, impact energy is absorbed by elastic device 102 and buffer cell 12 jointly, plays vehicle Cushioning effect.

In some preferred embodiments of the utility model, as shown in figures 1 and 3, elastic component 8 is disc spring, and briquetting 9 includes Pedestal 902 and boss 901 and disc spring socket boss 901 positioned at 902 one side of pedestal, sliding block 7 is close to buffer cell 12 or leans on One end of nearly regulating device 102 has been disposed proximate to the first centre bore 17 and the second centre bore 18 side by side, the first centre bore 17 it is interior Footpath is less than the internal diameter of the second centre bore 18, and disc spring and boss 901 are at least partially disposed in the first centre bore 17, and pedestal 902 is at least Part is located in the second centre bore 18.Briquetting 9 is fitted close with the second centre bore 18, makes briquetting 9 that can in axial direction move, and is increased Big or reduction briquetting 9 is to the initial pressure of disc spring.First centre bore 17 can limit the maximum range that briquetting 9 compresses disc spring, into And the maximum initial pressure that buffer unit can be adjusted is limited, avoid the ability to bear that initial pressure is more than disc spring.Buffer unit is adjusted During to maximum initial pressure, disc spring and boss 901 are entirely located in the first centre bore 17, and pedestal 902 is entirely located in the second centre bore In 18；When the initial pressure of buffer unit is less than maximum initial pressure, a part for disc spring and boss 901 is located at the first centre bore 17 Interior, another part is located in the second centre bore 18, and a part for pedestal 902 is located in the second centre bore 18, and another part is located at Outside sliding block 7.

In some preferred embodiments of the utility model, as depicted in figs. 1 and 2, inner cylinder liner 11 is equipped with open slot 15, sliding 7 upper/lower terminal of block is limited in open slot 15.Wherein, vertical direction is vertical with left and right directions.Sliding block 7 can be by along opening Slot 15 slides axially, and the maximum range of the opposite slip of the two is the maximum cushioning distance of coupler and draft gear.

In some preferred embodiments of the utility model, the barrel of outer cylinder 10 is equipped with anti-rotation plug screw 13, inner cylinder liner 11 Correspondence position be in axial direction equipped with rectangular channel 16, anti-rotation plug screw 13 can slide axially along rectangular channel 16.Anti-rotation plug screw 13 with Rectangular channel 16 is fitted close, and prevents inner cylinder liner 11 from rotating in a circumferential direction.

Inner cylinder liner 11 includes half cylinder sleeve in two, the shoulder of 3 right end of elastic device 102, buffer cell 12 and connecting shaft 20 are packed into one after half cylinder sleeve, and half cylinder sleeve directly merges in two, are packed into, assemble from a 10 left and right Slideslip of outer cylinder Journey is simply, conveniently.Further, connecting shaft 3 and 11 junction of inner cylinder liner are equipped with flat position, are slidably matched, and can prevent from producing between the two Life rotates in a circumferential direction.

In some preferred embodiments of the utility model, as shown in Figure 1, retainer ring 14 is further included, the one of outer cylinder 10 End is fixedly connected with retainer ring 14, and retainer ring 14 abuts inner cylinder liner 11, and the other end of outer cylinder 10 is equipped with clamp nut 6.Buffering Device is stretched the masterpiece used time, and sliding block 7 squeezes clamp nut 6 to the left；Buffer unit is squeezed masterpiece used time, inner cylinder liner 11 Retainer ring 14 is squeezed to the right.Clamp nut 6 and retainer ring 14 ensure that inner cylinder liner 11 does not depart from outer cylinder 10.

Preferably, clamp nut 6 is equipped with cylinder cap 5, and cylinder cap 5 is fixedly connected with outer cylinder 10, and cylinder cap 5 plays clamp nut 6 To anti-loose effect, and it is convenient to the maintenance of buffer unit.

The rail vehicle of the utility model embodiment is briefly described below.

It can include the coupler and draft gear of adjustable initial pressure according to the rail vehicle of the utility model embodiment, due to It can be made to delay according to rail vehicle magnitude of load and vehicle bumper performance requirement according to the rail vehicle of the utility model embodiment Flushing device obtains suitable initial pressure, ensures vehicle bumper performance, while the axial limiting dimensional accuracy for reducing each parts will It asks and processing cost.

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 utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It combines in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the different embodiments described in this specification or example and different embodiments or exemplary feature into Row combines and combination.

Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is Illustratively, it is impossible to be interpreted as the limitation to the utility model, those of ordinary skill in the art are in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

1. a kind of coupler and draft gear of adjustable initial pressure, which is characterized in that including draw ring, initial pressure adjustment unit, buffering Unit, inner cylinder liner and outer cylinder, the initial pressure adjustment unit include regulating device and elastic device, the one of the regulating device End is connected with the draw ring, and the other end of the regulating device is connected with one end of the elastic device, and the regulating device The elastic device can be made in axial direction to move, the other end of the elastic device is connected with the buffer cell, the bullet Property device and the buffer cell are arranged in the inner cylinder liner, and the inner casing is set in the outer cylinder.

2. the coupler and draft gear of adjustable initial pressure according to claim 1, which is characterized in that the regulating device bag Connecting shaft and regulation stud are included, the connecting shaft is in axial direction set and the connection axis center has tapped through hole, described Regulation stud is threadedly coupled by the tapped through hole with the connecting shaft, the connecting shaft one end and institute away from elastic device Draw ring connection is stated, one end of the regulation stud is connected with one end of the elastic device.

3. the coupler and draft gear of adjustable initial pressure according to claim 2, which is characterized in that the tapped through hole is remote One end from elastic device is provided with cover board, and the cover board is fixedly connected with the connecting shaft.

4. the coupler and draft gear of adjustable initial pressure according to claim 2, which is characterized in that the connecting shaft is close One end of elastic device has shoulder, and the shoulder is located in the inner cylinder liner.

5. the coupler and draft gear of adjustable initial pressure according to claim 2, which is characterized in that the elastic device bag Sliding block, elastic component and briquetting are included, one end of the elastic component is connected with the sliding block, the other end of the elastic component and the pressure Block connects, and the regulation stud presses the sliding block, and the briquetting presses the buffer cell；Or the regulation stud pressing The briquetting, the sliding block press the buffer cell.

6. the coupler and draft gear of adjustable initial pressure according to claim 5, which is characterized in that the elastic component is dish Spring, the briquetting includes pedestal and the boss positioned at pedestal one side, and the disc spring is socketed the boss, and the sliding block is close to slow It rushes unit or has been disposed proximate to the first centre bore and the second centre bore, first center side by side close to one end of regulating device The internal diameter in hole is less than the internal diameter of second centre bore, and the disc spring and the boss are at least partially disposed in the first centre bore, The pedestal is at least partially disposed in second centre bore.

7. the coupler and draft gear of adjustable initial pressure according to claim 5, which is characterized in that the inner cylinder liner is equipped with Open slot, the upper/lower terminal of the sliding block are limited in the open slot.

8. the coupler and draft gear of adjustable initial pressure according to claim 1, which is characterized in that the cylinder of the outer cylinder Wall is equipped with anti-rotation plug screw, and the correspondence position of the inner cylinder liner is in axial direction equipped with rectangular channel, and the anti-rotation plug screw can be along described It slides axially in rectangular channel.

9. the coupler and draft gear of adjustable initial pressure according to claim 1, which is characterized in that retainer ring is further included, One end of the outer cylinder is fixedly connected with the retainer ring, and the retainer ring abuts the inner cylinder liner, the outer cylinder it is another One end is equipped with clamp nut, is provide with cylinder cap outside the clamp nut, the cylinder cap is fixedly connected with the outer cylinder.

A kind of 10. rail vehicle, which is characterized in that the vehicle of the adjustable initial pressure any one of including claim 1-9 Hook buffer unit.