CN202669839U - Traction and buffer device - Google Patents

Traction and buffer device Download PDF

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Publication number
CN202669839U
CN202669839U CN 201220298783 CN201220298783U CN202669839U CN 202669839 U CN202669839 U CN 202669839U CN 201220298783 CN201220298783 CN 201220298783 CN 201220298783 U CN201220298783 U CN 201220298783U CN 202669839 U CN202669839 U CN 202669839U
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CN
China
Prior art keywords
described
traction
inner sleeve
right
body skin
Prior art date
Application number
CN 201220298783
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Chinese (zh)
Inventor
吴刚
Original Assignee
南车戚墅堰机车车辆工艺研究所有限公司
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Priority to CN 201220298783 priority Critical patent/CN202669839U/en
Application granted granted Critical
Publication of CN202669839U publication Critical patent/CN202669839U/en

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Abstract

The utility model discloses a traction and buffer device of railway vehicles. The traction and buffer device comprises an outer shell, an installation tail base, a traction guide rod, an end cover, a guide separator, a locking nut and at least two elastic bodies. Both ends of the outer shell are fixedly connected with the end cover and the installation tail base. The outer shell is internally provided with an inner sleeve, a sliding sleeve, an expansion ring and a deformation tube. The left end of the inner sleeve leans against the end cover, the sliding sleeve is installed in the inner sleeve and the periphery of the sliding sleeve is slidingly matched with the inner wall of the inner sleeve. The separator is arranged in the sliding sleeve. The left side of the separator leans against a first elastic body and the right side of the separator leans against a second elastic body. The guide separator comprises a radial bump and a shaft neck. The periphery of the radial bump is slidingly matched with the inner wall of the inner sleeve. The periphery of the shaft neck is slidingly matched with the inner wall of the expansion ring. The right end of the expansion ring is provided with a cone-shaped face and is inserted into a left end orifice of the deformation tube. The left end of the expansion ring leans against the right end of the inner sleeve. The deformation tube is fixedly arranged on the installation tail base. The traction and buffer device has the buffering and collision protecting functions and is simple in structure.

Description

A kind of traction shock absorber

Technical field

The utility model relates to a kind of guideway vehicle traction buffer protection device, the traction hitch energy disperser of especially relevant a kind of city railway vehicle and railroad coach.

Background technology

Coupler and draft gear is one of vehicle important spare part, can transmit and cushion tractive force and impulsive force between the vehicle, and it is directly connected to safety and the traveling comfort of train operation.The energy disperser that guideway vehicle uses is various informative, has according to the difference of buffer medium: the energy disperser of rubber draft gear, ring spring snubber, conquassation pipe, Liquid and gas damper and various composite types.And at present on city railway vehicle especially more application the energy disperser of various composite types, the conquassation pipe that especially is connected with hitch and rubber draft gear combination.Its major defect is that this combined buffers device is comprised of many parts, and the longer interface of entire length is more, greatly reduces the safe reliability of package unit, and the rubber draft gear life-span is shorter, especially to bear shear action all the more so.This kind assembled scheme cost is higher, causes simultaneously other each component structural difficulty to increase, and has greatly improved productive costs.

Summary of the invention

The purpose of this utility model is to provide a kind of and has buffering and crash protection function, and traction shock absorber simple in structure.

In order to achieve the above object, the technical solution of the utility model is: a kind of traction shock absorber, comprise body skin, mounted tailstock, the traction pilot bar, end cap, kicker baffle, jam nut and at least two elastic bodys, captive joint with mounted tailstock with end cap respectively in described body skin two ends, described traction pilot bar one end is inserted in the body skin, the other end stretches out outside the body skin, be sleeved on the shaft that is positioned at body skin of traction pilot bar described kicker baffle and the equal easy fit of elastic body, inner sleeve also is housed in the described body skin, slider tube, tensioner ring and converting pipe, left end and the end cap of described inner sleeve offset, described slider tube is contained in the inner sleeve and the inwall bearing fit of periphery and inner sleeve, the cylinder of slider tube is interior with dividing plate, the left side of described dividing plate has the first elastic body, the first elastomeric left end offsets with the shoulder block that draws on the pilot bar, the right side of described dividing plate has the second elastic body, the second elastomeric right-hand member and kicker baffle offset, described kicker baffle comprises radially boss and axle journal, the inwall bearing fit of the periphery of boss and inner sleeve radially, and radially boss can offset with the left end of tensioner ring, the inwall bearing fit of the periphery of axle journal and tensioner ring, the right-hand member of described tensioner ring has the conical surface and is inserted in the left end mouth of pipe of converting pipe, the left end of described tensioner ring and the right-hand member of inner sleeve offset, and described converting pipe is fixed on the mounted tailstock.

The left side of described dividing plate has two the first elastic bodys, and the right side has two the second elastic bodys, is equipped with corresponding intermediate hsg between two the first elastic bodys and between two the second elastic bodys.

The taper enlarging of the left end mouth of pipe of described converting pipe for matching with the conical surface of tensioner ring.

Have the first convex shoulder and the second convex shoulder on the described mounted tailstock, the right-hand member endoporus of described body skin is nested with and is fixed on the first convex shoulder, and the right-hand member endoporus of described converting pipe is nested with and is fixed on the second convex shoulder.

Also have stroke on the described mounted tailstock and dodge the hole, the jam nut of traction pilot bar right-hand member and connection thereof can stretch into stroke and dodge in the hole.

Described end cap has outside thread, and body skin has negative thread, and end cap is threaded with body skin.

Described end cap has negative thread, and body skin has outside thread, and end cap is threaded with body skin.

The right-hand member of described inner sleeve has the positioning step that matches with the tensioner ring left end.

After adopting said structure, the utility model is when stretching, and kicker baffle (with tensioner ring endoporus bearing fit) is moved to the left compresses elastomeric and absorbs drawbar load.During compression, traction pilot bar compresses elastomeric moves right with slider tube, and it is motionless that kicker baffle props up tensioner ring.During overload, kicker baffle and tensioner ring move to right, and converting pipe begins distortion.The utility model integrates stretching and drawing, buffering energy-absorbing and overload protection function, and compact conformation, simple in structure has reduced installation difficulty, has improved reliability, has reduced other auxiliary component design difficulty, reduces production costs; And the utility model is when stressed stretching or compression, and elastic body is always pressured state, avoided being subject to the effect of shearing force, and elastic body is installed in the inner sleeve, has avoided the impact of the bad working environments such as greasy dirt, dust, has greatly improved service life.

Description of drawings

The embodiment that provides below in conjunction with accompanying drawing is described in further detail the utility model.

Fig. 1 is the structural representation of first embodiment of traction shock absorber of the present utility model;

Fig. 2 is the structural representation of Fig. 1 after stretching;

Fig. 3 is the structural representation of Fig. 1 behind pressurized;

Fig. 4 is the structural representation of Fig. 1 after overload;

Fig. 5 is the structural representation of second embodiment of traction shock absorber of the present utility model.

The specific embodiment

Shown in Fig. 1 ~ 4, first embodiment of the present utility model, a kind of traction shock absorber, comprise body skin 5, mounted tailstock 8, traction pilot bar 1, end cap 2, kicker baffle 10, jam nut 9 and at least two elastic bodys, captive joint with mounted tailstock 8 with end cap 2 respectively in described body skin 5 two ends, described traction pilot bar 1 one ends are inserted in the body skin 5, the other end stretches out outside the body skin 5, described kicker baffle 10 and elastic body 12-1, be sleeved on the shaft that is positioned at body skin 5 of traction pilot bar 1 the equal easy fit of 12-2, in the described body skin 5 inner sleeve 3 is housed also, slider tube 4, tensioner ring 6 and converting pipe 7, the left end of described inner sleeve 3 and end cap 2 offset, described slider tube 4 is contained in the inner sleeve 3 and the inwall bearing fit of periphery and inner sleeve 3, the cylinder of slider tube 4 is interior with dividing plate 4-1, the left side of described dividing plate 4-1 has the first elastic body 12-1, the left end of the first elastic body 12-1 offsets with the shoulder block 1-1 that draws on the pilot bar 1, the right side of described dividing plate 4-1 has the second elastic body 12-2, the right-hand member of the second elastic body 12-2 and kicker baffle 10 offset, described kicker baffle 10 comprises radially boss 10-1 and axle journal 10-2, the inwall bearing fit of the periphery of boss 10-1 and inner sleeve 3 radially, and radially boss 10-1 can offset with the left end of tensioner ring 6, the inwall bearing fit of the periphery of axle journal 10-2 and tensioner ring 6, the right-hand member of described tensioner ring 6 has conical surface 6-1 and is inserted among the left end mouth of pipe 7-1 of converting pipe 7, the right-hand member of the left end of described tensioner ring 6 and inner sleeve 3 offsets, and described converting pipe 7 is fixed on the mounted tailstock 8.

The dividing plate 4-1 of described slider tube 4 can prevent from drawing pilot bar 1 and deviate from end cap 2 when traction, for traction pilot bar 1 leads smoothly, prevent stuck during compression.

Because kicker baffle 10 comprises radially boss 10-1 and axle journal 10-2, kicker baffle 10 relative tensioner rings 6 are moved to the left under the drawbar load effect, thereby do not affect the position that preloads of converting pipe 7.During normal clamp load, kicker baffle 10 keeps motionless; During overload, kicker baffle 10 moves to right, converting pipe 7 distortion.

Shown in Fig. 1 ~ 4, the left side of described dividing plate 4-1 has two the first elastic body 12-1, and the right side has two the second elastic body 12-2, is equipped with corresponding intermediate hsg 11 between two the first elastic body 12-1 and between two the second elastic body 12-2.The quantity of the first elastic body 12-1 and the second elastic body 12-2 can be not identical yet.

Shown in Fig. 1 ~ 4, head into converting pipe 7 in order to be conducive to tensioner ring 6, the taper enlarging of the left end mouth of pipe 7-1 of described converting pipe 7 for matching with the conical surface 6-1 of tensioner ring 6.

Shown in Fig. 1 ~ 4, have the first convex shoulder 8-1 and the second convex shoulder 8-2 on the described mounted tailstock 8, the right-hand member endoporus of described body skin 5 is nested with and is fixed on the first convex shoulder 8-1, and the right-hand member endoporus of described converting pipe 7 is nested with and is fixed on the second convex shoulder 8-2.

Shown in Fig. 1 ~ 4, also have stroke on the described mounted tailstock 8 and dodge hole 8-3, the jam nut 9 of traction pilot bar 1 right-hand member and connection thereof can stretch into stroke and dodge among the 8-3 of hole.

Shown in Fig. 1 ~ 4, described end cap 2 has outside thread, and body skin 5 has negative thread, and end cap 2 is threaded with body skin 5.

Shown in Fig. 1 ~ 4, the right-hand member of described inner sleeve 3 has the positioning step 3-1 that matches with tensioner ring 6 left ends.

As shown in Figure 5, second embodiment of the present utility model, described end cap 2 has negative thread, and body skin 5 has outside thread, and end cap 2 is threaded with body skin 5.All the other structures are identical with above-mentioned first embodiment.

As shown in Figure 1, the utility model is when the normal mounting situation, and the first elastic body 12-1 left end offsets with the shoulder block 1-1 that draws on the pilot bar 1, and the second elastic body 12-2 right-hand member and kicker baffle 10 offset, so that traction pilot bar 1 is in balance position all the time.

As shown in Figure 2, do the time spent when the utility model is subject to tensile load, drive kicker baffle 10 by traction pilot bar 1 and be moved to the left, push the second elastic body 12-2, draw cushion effect.Slider tube 4 right-hand members define the miles of relative movement of kicker baffle 10 simultaneously, have guaranteed that an end of guiding draw bar 1 is in the inboard of end cap 2 all the time, prevents unexpected the disengagement.

As shown in Figure 3, when being subject to normal clamp load, the utility model does the time spent, traction pilot bar 1 drives and moves right, push the first elastic body 12-1 and the second elastic body 12-2, intermediate hsg 11, slider tube 4 move right simultaneously, this moment, compressive force was absorbed by the first elastic body 12-1 and the second elastic body 12-2 fully, realized buffering.

As shown in Figure 4; when the utility model was subject to the excessive load impact, traction pilot bar 1 continued to move right under state shown in Figure 3, promoted kicker baffle 10 and tensioner ring 6 and clamp-oned in the converting pipe 7; this moment converting pipe 7 caliber dilatating and deformables and impact-absorbing, thereby realize the overload buffer protection.

Claims (8)

1. traction shock absorber, comprise body skin (5), mounted tailstock (8), traction pilot bar (1), end cap (2), kicker baffle (10), jam nut (9) and at least two elastic bodys, captive joint with mounted tailstock (8) with end cap (2) respectively in described body skin (5) two ends, described traction pilot bar (1) one end is inserted in the body skin (5), the other end stretches out outside the body skin (5), described kicker baffle (10) and elastic body (12-1,12-2) all be sleeved on the shaft that is positioned at body skin (5) of traction pilot bar (1) easy fit, it is characterized in that:
Inner sleeve (3), slider tube (4), tensioner ring (6) and converting pipe (7) also are housed in a, the described body skin (5),
The left end of b, described inner sleeve (3) and end cap (2) offset,
C, described slider tube (4) are contained in the inner sleeve (3) and the inwall bearing fit of periphery and inner sleeve (3), in the cylinder of slider tube (4) with dividing plate (4-1),
The left side of d, described dividing plate (4-1) has the first elastic body (12-1), the left end of the first elastic body (12-1) offsets with the shoulder block (1-1) that draws on the pilot bar (1), the right side of described dividing plate (4-1) has the second elastic body (12-2), the right-hand member of the second elastic body (12-2) and kicker baffle (10) offset
E, described kicker baffle (10) comprise radially boss (10-1) and axle journal (10-2), the inwall bearing fit of the periphery of boss (10-1) and inner sleeve (3) radially, and radially boss (10-1) can offset with the left end of tensioner ring (6), the inwall bearing fit of the periphery of axle journal (10-2) and tensioner ring (6)
The right-hand member of f, described tensioner ring (6) has the conical surface (6-1) and is inserted in the left end mouth of pipe (7-1) of converting pipe (7),
The right-hand member of the left end of g, described tensioner ring (6) and inner sleeve (3) offsets,
H, described converting pipe (7) are fixed on the mounted tailstock (8).
2. traction shock absorber according to claim 1, it is characterized in that: the left side of described dividing plate (4-1) has two the first elastic bodys (12-1), the right side has two the second elastic bodys (12-2), is equipped with corresponding intermediate hsg (11) between two the first elastic bodys (12-1) and between two the second elastic bodys (12-2).
3. traction shock absorber according to claim 1 is characterized in that: the taper enlarging of the left end mouth of pipe (7-1) of described converting pipe (7) for matching with the conical surface (6-1) of tensioner ring (6).
4. traction shock absorber according to claim 1, it is characterized in that: have the first convex shoulder (8-1) and the second convex shoulder (8-2) on the described mounted tailstock (8), the right-hand member endoporus of described body skin (5) is nested with and is fixed on the first convex shoulder (8-1), and the right-hand member endoporus of described converting pipe (7) is nested with and is fixed on the second convex shoulder (8-2).
5. traction shock absorber according to claim 1 is characterized in that: also have stroke on the described mounted tailstock (8) and dodge hole (8-3), the jam nut (9) of traction pilot bar (1) right-hand member and connection thereof can stretch into stroke and dodge in the hole (8-3).
6. traction shock absorber according to claim 1, it is characterized in that: described end cap (2) has outside thread, and body skin (5) has negative thread, and end cap (2) is threaded with body skin (5).
7. traction shock absorber according to claim 1, it is characterized in that: described end cap (2) has negative thread, and body skin (5) has outside thread, and end cap (2) is threaded with body skin (5).
8. traction shock absorber according to claim 1, it is characterized in that: the right-hand member of described inner sleeve (3) has the positioning step (3-1) that matches with tensioner ring (6) left end.
CN 201220298783 2012-06-25 2012-06-25 Traction and buffer device CN202669839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220298783 CN202669839U (en) 2012-06-25 2012-06-25 Traction and buffer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220298783 CN202669839U (en) 2012-06-25 2012-06-25 Traction and buffer device

Publications (1)

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CN202669839U true CN202669839U (en) 2013-01-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103507823A (en) * 2012-06-25 2014-01-15 南车戚墅堰机车车辆工艺研究所有限公司 Traction buffering device
CN103523046A (en) * 2013-10-25 2014-01-22 齐齐哈尔轨道交通装备有限责任公司大连研发中心 Coupler buffer and reinforcing plates thereof used for stretching overload protection
CN103523047A (en) * 2013-10-25 2014-01-22 齐齐哈尔轨道交通装备有限责任公司大连研发中心 Coupler buffer of railway truck
CN104071175A (en) * 2014-06-30 2014-10-01 常州南车铁马科技实业有限公司 Coupler buffer for railway vehicle
CN104512432A (en) * 2013-09-09 2015-04-15 Ta萨弗里有限公司 Coupler

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103507823A (en) * 2012-06-25 2014-01-15 南车戚墅堰机车车辆工艺研究所有限公司 Traction buffering device
CN103507823B (en) * 2012-06-25 2016-02-24 南车戚墅堰机车车辆工艺研究所有限公司 Traction shock absorber
US9878728B2 (en) 2013-09-09 2018-01-30 T A Savery & Co., LTD Coupler
CN104512432B (en) * 2013-09-09 2018-11-16 Ta萨弗里有限公司 Hitch
CN104512432A (en) * 2013-09-09 2015-04-15 Ta萨弗里有限公司 Coupler
CN103523046B (en) * 2013-10-25 2017-03-08 中车齐齐哈尔车辆有限公司大连研发中心 A kind of coupler draft gear and its reinforcing plate for tensile overload protection
CN103523046A (en) * 2013-10-25 2014-01-22 齐齐哈尔轨道交通装备有限责任公司大连研发中心 Coupler buffer and reinforcing plates thereof used for stretching overload protection
CN103523047A (en) * 2013-10-25 2014-01-22 齐齐哈尔轨道交通装备有限责任公司大连研发中心 Coupler buffer of railway truck
CN104071175A (en) * 2014-06-30 2014-10-01 常州南车铁马科技实业有限公司 Coupler buffer for railway vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20130116

Effective date of abandoning: 20160224