CN214874831U

CN214874831U - Guide type coupler with buffer device

Info

Publication number: CN214874831U
Application number: CN202120573513.7U
Authority: CN
Inventors: 王玉龙; 张宁; 苏杰; 种超; 张晓军
Original assignee: China Railway Baoji Bridge Group Co Ltd; China Railway Baoji Machinery Co Ltd
Current assignee: China Railway Baoji Bridge Group Co Ltd; China Railway Baoji Machinery Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-26
Anticipated expiration: 2031-03-22

Abstract

The guide type coupler with the buffer device is provided, and a rear baffle is fixedly connected with a frame through a rear baffle connecting piece; the rear baffle and the front baffle are arranged in parallel at intervals in the front-back direction, and a horizontally telescopic rubber spring is coaxially and fixedly connected between the rear baffle and the front baffle; the front side of the front baffle is fixedly connected with a touch iron; the front side of the touch iron is fixedly connected with a touch end plate; the collision head end plate, the collision iron and the front baffle plate synchronously and axially extend and retract along with the front side end of the rubber spring; a linear guide assembly is arranged between the rear baffle and the collision iron; the linear guide assembly is used for providing linear guide for the synchronous axial telescopic displacement of the collision head end plate, the collision iron and the front baffle plate along with the front side end of the rubber spring. The utility model adopts the rubber spring with the linear guide component to buffer the longitudinal impact and vibration in the running process of the train, thereby reducing the destructive effect; simple structure, convenient manufacture, stable operation, excellent vibration absorption and buffering capacity, economy, practicality and safety.

Description

Guide type coupler with buffer device

Technical Field

The utility model belongs to the technical field of railway vehicle pulls and connects buffer, concretely relates to take buffer's direction type coupling.

Background

The coupler buffer device is an important part of a train, is used for realizing the coupling between a locomotive and a vehicle or between the vehicle and the vehicle, and plays a role in transmitting traction force and impact force to realize the communication between two trains.

In the prior art, the buffer effect of a coupler is limited, so that longitudinal impact and vibration caused by mutual collision of vehicles cannot be effectively absorbed due to the change of locomotive traction force or during starting, braking and shunting operation of the train in the coupling and running processes of the train, and the damage to a train body and a loaded object is easily caused; meanwhile, the stability of train operation is poor; moreover, how to simplify the structure of the coupler and reduce and control the production cost of the coupler is also a technical problem to be solved urgently. In view of this, the following improvement is proposed.

Disclosure of Invention

The utility model provides a technical problem: the guide type coupler with the buffer device is provided, and a rubber spring with a linear guide assembly is adopted to buffer longitudinal impact and vibration in the running process of a train, so that the damage effect is reduced; the problem that the lower coupler has limited buffering capacity in the prior art is solved; the structure is complex, and the production cost is high; the technical problem that the running stability of the vehicle is poor.

The utility model adopts the technical proposal that: take buffer's direction type coupling, its characterized in that: the bumper comprises a bumper head end plate, a bumper iron, a front baffle plate, a rubber spring, a rear baffle plate and a rear baffle plate connecting piece; the rear baffle is fixedly connected with the frame through a rear baffle connecting piece; the rear baffle and the front baffle are arranged in parallel at intervals in the front-back direction, and a horizontally telescopic rubber spring is coaxially and fixedly connected between the rear baffle and the front baffle; the front side of the front baffle is fixedly connected with a touch iron; the front side of the touch iron is fixedly connected with a touch end plate; the collision head end plate, the collision iron and the front baffle plate synchronously and axially extend and retract along with the front side end of the rubber spring; a linear guide assembly is arranged between the rear baffle and the collision iron; the linear guide assembly is used for providing linear guide for the synchronous axial telescopic displacement of the collision head end plate, the collision iron and the front baffle plate along with the front side end of the rubber spring.

In the above technical solution, further: the linear guide assembly comprises a rear baffle, a square-head bolt, an elastic washer I, a hexagonal nut II and a collision iron; the rear baffle is of a vertical plate body structure, and the upper end and the lower end of the vertical plate body of the rear baffle are respectively and fixedly connected with one end of a pair of square-head bolts which are parallel at intervals up and down; the axial direction of the square-head bolt is parallel to the elastic extrusion direction of the rubber spring; the upper end and the lower end of the iron collision vertical plate body are respectively provided with a pair of guide through holes which are parallel at an interval up and down; the central line of the guide through hole is parallel to the elastic extrusion direction of the rubber spring at intervals; the other end of the square head bolt penetrates through a guide through hole formed in the armature; an elastic washer I and a hexagonal nut II are arranged at the penetrating end of the other end of the square head bolt; the collision iron slides and moves along the axial direction of the square-head bolt through the guide through hole of the collision iron; the guide through hole of the collision iron is matched with the square-head bolt rod body in a clearance mode and used for providing linear guide for the front baffle plate, the collision iron and the collision end plate along with synchronous axial telescopic displacement of the front side end of the rubber spring.

In the above technical solution, further: the collision head end plate is of a welded assembly structure; the collision head end plate is provided with a horizontal straight bolt hole; a bolt hole of the collision head end plate is coaxially and fixedly provided with a reinforcing base plate provided with a through hole; the bolt hole and the through hole of the reinforcing base plate are coaxially matched with each other to be inserted with a bolt; the outer side end of the bolt is fixedly connected with a chain; the chain is linked with the train and is used for preventing the bolt from falling off.

In the above technical solution, further: the rear baffle connecting piece is of a horizontally transverse L-shaped structure; the vertical plate body of the rear baffle plate connecting piece is used as a gasket and is provided with a through hole; the rear baffle is of a vertical plate body structure, and the upper end and the lower end of the vertical plate body of the rear baffle are respectively provided with internal thread holes which are parallel at intervals up and down; the axial direction of the internal thread hole is parallel to the compression direction of the rubber spring; the square head bolt penetrates through a through hole formed in the vertical plate body of the rear baffle plate connecting piece and is screwed into an internal threaded hole formed in the plate body of the rear baffle plate to fixedly connect the vertical plate body of the rear baffle plate connecting piece and the rear baffle plate into a whole; the horizontal plate body of the rear baffle connecting piece is provided with a plurality of mounting holes; the horizontal plate body of the rear baffle connecting piece is vertically parallel to the central line of the square-head bolt at intervals; a plurality of mounting holes made in the horizontal plate body of the rear baffle connecting piece are used for fastening the flat plate body of the rear baffle connecting piece and the frame into a whole by using a plurality of groups of bolts, hexagonal nuts I and elastic washers II.

In the above technical solution, further: the center of the axial end of the rubber spring is coaxially and fixedly connected with one end of the fixed screw rod; the center of the rear baffle plate body is provided with an internal threaded hole; the other end of the fixed screw is screwed and matched to penetrate through the center of the rear baffle plate body to form an internal threaded hole; the penetrating end of the other end of the fixed screw is screwed with a hexagonal slotted nut in a matching manner; the rear side end of the rubber spring is fastened and connected with the center of the rear baffle plate body into a whole by screwing the hexagonal slotted nut on the fixing screw rod; a pin hole is formed in the penetrating end of the other end of the fixed screw rod and is perpendicular to the axial direction of the rod body, and a cotter pin is installed in the pin hole in a tight fit mode; the split pin is used for limiting the blocking hexagonal slotted nut to prevent the hexagonal slotted nut from falling off.

In the above technical solution, further: the front baffle is of a vertical plate structure, and the center of a plate body on one side of the front baffle is fixedly connected with the axial telescopic end of the rubber spring into a whole; the center of the plate body at the other side of the front baffle is fixedly connected with the center of the bumper iron; the collision iron is also of a vertical plate body structure; the center of the plate body at the other side of the touch iron is fixedly connected with an axial displacement end of the touch head end plate; the collision iron, the front baffle and the collision head end plate synchronously and axially extend and retract along with the axial extension end of the rubber spring; the outer side of the iron plate body is provided with guide through holes which are axially symmetrical up and down; the central axis of the guide through hole is parallel to the axial telescopic direction of the rubber spring at intervals; the upper end and the lower end of the rear baffle plate body are respectively and vertically fixedly connected with one end of a square-head bolt; the square-head bolts are arranged in parallel axisymmetrical mode at intervals up and down; the optical axis section in the middle of the other end of the square head bolt directly penetrates through the guide through hole; an elastic washer I and a hexagon nut II are arranged on external threads formed at the penetrating end of the tail end of the other end of the square head bolt; the elastic washer I and the hexagon nut II are used for limiting and blocking the square-head bolt to prevent the tail end of the square-head bolt from falling off from the collision iron guide through hole; the square head bolt smooth shaft section is matched with the guide through hole in a coaxial clearance mode, and the square head bolt smooth shaft section and the guide through hole are used for providing linear guide for the collision iron, the front baffle and the collision end plate along with the axial displacement of the rubber spring.

In the above technical solution, further: the rear baffle is of a vertical plate body structure; the upper end and the lower end of a vertical plate body of the rear baffle plate are respectively provided with a pair of internal thread holes which are parallel at an upper interval and a lower interval; the axial direction of the internal thread hole is parallel to the compression direction of the rubber spring at intervals; one end of the square-head bolt is screwed into an internal thread hole formed in the rear baffle plate and then is vertically and fixedly connected with the rear baffle plate body into a whole.

The utility model has the advantages compared with the prior art:

1. the utility model adopts the rubber spring to buffer the longitudinal impact and vibration caused by the traction force change of the locomotive or the mutual collision of the vehicles during the starting, braking and shunting operation in the running process of the train, thereby reducing the destructive effect on the structure of the train body and the loaded articles; the stability of train hookup is improved, reduce cost, realizes the buffering of coupling.

2. The utility model discloses rubber spring simple structure, economical and practical utilizes friction and damping to absorb impact energy at elastic element deformation in-process, and vertical buffering absorbed vibration is sufficient with impact energy, and the train operates steadily.

3. The utility model discloses straight line direction subassembly is used for providing sharp direction for bumping head end plate 12, bumping indisputable 10, preceding baffle 9 along with the synchronous axial telescopic displacement of 1 preceding sides of rubber spring, and the train absorbs vertical buffering vibration and moves stably, safe and reliable when assaulting.

4. The utility model has simple structure of the coupler body and no redundant parts; the device can be smoothly connected in place at one time without adding other auxiliary equipment; the material is easy to obtain, the manufacturing is convenient, the installation is convenient, the production cost is reduced, and the train is more smoothly, safely and stably connected.

5. The utility model discloses on one hand, the gauge 10 is used for supporting the gauge end plate 12, and provides the straight line direction for the gauge end plate 12, the gauge 10, the front baffle 9 along with the synchronous axial telescopic displacement of the front side end of the rubber spring 1; on the other hand, the latch 10 in cooperation with the lag bolt 5 can also be used for preventing the deformation problem of the coupler caused by external forces in different directions.

6. The utility model integrates the coupler back baffle 8 and the frame through the back baffle connecting piece 6; the rear baffle connecting piece 6 can be used as a gasket and a fixing frame; simple structure, convenient manufacture, reliable connection, convenient installation, economy and practicality.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of fig. 1 according to the present invention.

Detailed Description

Specific embodiments of the present invention will be described below with reference to fig. 1-2.

The following examples are provided to facilitate a better understanding of the present invention, but are not intended to limit the present invention. The following examples are only a part of the present invention, and not all of them. The components and materials used in the following examples are commercially available unless otherwise specified.

In the present invention, unless otherwise specified or limited, all terms of orientation including "upper, lower, left, right, inner, outer, top, bottom, vertical, horizontal" and the like in terms of the term are used only to indicate the orientation of the term in the conventional usage state, or to facilitate the description of the present invention and simplify the description, or to be a common term understood by those skilled in the art, and should not be construed as a limitation of the technical solution unless otherwise specified or limited.

In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," and "provided" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, and a mechanical connection; may be directly connected or may be indirectly connected through other intermediate members. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention should be understood in a specific context.

It is to be understood that the terms "i", "ii", and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the components so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein.

The guide type coupler with the buffer device comprises a collision head end plate 12, a collision iron 10, a front baffle 9, a rubber spring 1, a rear baffle 8 and a rear baffle connecting piece 6. The collision head end plate 12 is used as a coupler main body; the bumper iron 10 is used for limiting and preventing the deformation of the coupler; the front baffle 9 and the rear baffle 8 are used for supporting the rubber spring 1, and the rear baffle connecting piece 6 is used for fixedly connecting the car coupler with the car body.

(as shown in fig. 1) the tailgate 8 is fixedly connected to the frame via a tailgate connection 6. All the structures of the rear baffle connecting piece 6 which can realize the connection of the rear baffle 8 and the frame are suitable for the scheme. Such as L-shaped, U-shaped, square, shaped tailgate connectors 6, and the like.

The rear baffle 8 and the front baffle 9 are arranged in parallel at intervals in the front and back, and the rubber spring 1 which is horizontally stretched is coaxially and fixedly connected between the rear baffle 8 and the front baffle 9. The rubber spring 1 which horizontally stretches and retracts plays a role in buffering when the train is connected and hung, absorbs vibration, reduces the damage to a train body structure and loaded objects, and enables the train to be connected and hung more smoothly.

The front side of the front baffle 9 is fixedly connected with a latch 10; the front side of the bumper iron 10 is fixedly connected with a bumper head end plate 12; the head end plate 12 functions as a coupler, and the latch 10 functions as a limit guide. The collision head end plate 12, the collision iron 10 and the front baffle 9 are synchronously and axially extended and retracted along with the front side end of the rubber spring 1.

A linear guide assembly is arranged between the rear baffle 8 and the bumper 10; the deformation of the car coupler is prevented through the limiting linear guide effect of the bumper 10, the stability of the buffer vibration of the car coupler is improved, and the train is more smoothly connected.

The linear guide assembly is used for providing linear guide for the collision head end plate 12, the collision iron 10 and the front baffle plate 9 along with synchronous axial telescopic displacement of the front side end of the rubber spring 1. All the linear guide assemblies capable of realizing synchronous axial linear telescopic displacement of the collision head end plate 12, the collision iron 10 and the front baffle plate 9 along with the front side end of the rubber spring 1 are suitable for the scheme. Such as a single guide rod linear guide assembly, a dual guide rod linear guide assembly, etc.

In the above embodiment, further: for the simplified structure, convenient assembly: the linear guide assembly comprises a rear baffle plate 8, a square-head bolt 5, an elastic washer I13, a hexagonal nut II 4 and a collision iron 10. The linear guide assembly composed of the components has the advantages of simple structure, easily obtained materials, easy manufacture, economy and practicality.

The rear baffle 8 is of a vertical plate body structure, and the vertical plate body structure is simple, easy in material obtaining, economical, practical and convenient to manufacture.

The upper end and the lower end of a vertical plate body of the rear baffle plate 8 are respectively and vertically fixedly connected with one end of a pair of square-head bolts 5 which are parallel at intervals. The square head bolt 5 and the rear baffle plate 8 can be welded and vertically fixedly connected into a whole; or can be vertically and fixedly connected with the rear baffle 8 in a screwing and matching way into a whole.

The square-head bolt 5 is axially parallel to the elastic extrusion direction of the rubber spring 1; the linear guide is laid for the collision iron 10 and the axial elastic extrusion stretching displacement of the rubber spring 1.

The upper end and the lower end of the vertical plate body of the iron strike 10 are respectively provided with a pair of guide through holes which are parallel at intervals up and down; the wire through hole plays a linear guide role for the linear displacement of the armature 10. Namely, the central line of the guide through hole is parallel to the elastic extrusion direction of the rubber spring 1 at intervals. Specifically, the guide is provided for the linear sliding translation of the striker 10 along the axial direction of the lag bolt 5.

The other end of the square head bolt 5 penetrates through the guide through hole formed in the collision iron 10; the diameter of the rod body of the right side end middle optical axis section 501 of the square head bolt 5 penetrating through the guide through hole is smaller than that of the guide through hole, and the fit clearance between the rod body and the guide through hole is within 2-4mm, so that the assembly is convenient.

The other end of the square head bolt 5, namely the penetrating end of the right side end, is sleeved with an elastic washer I13 through a manufactured external thread and then screwed with a hexagon nut II 4 in a matching manner. The left side end of the hexagonal nut II 4 is attached to a vertical plate body at the right side end of the collision iron 10 of the rubber spring 1 in a naturally extending state.

The collision iron 10 slides and moves along the axial direction of the square head bolt 5 through the guide through hole; the guide through hole of the collision iron 10 is matched with the gap of the square head bolt 5 rod body to provide linear guide for the synchronous axial telescopic displacement of the front baffle plate 9, the collision iron 10 and the collision head end plate 12 along with the front side end of the rubber spring 1.

The assembly structure is easy to manufacture, convenient to assemble, easy to obtain materials, simple in structure, economical and practical.

In the above embodiment, further: the collision head end plate 12 is of a welded assembly structure; (as shown in fig. 2). The head end plate 12 has a plate body with a left-right axial symmetry. The head end plate 12 has an isosceles trapezoid arc-shaped head structure.

The plate bodies which are axially symmetrical left and right of the head collision end plate 12 are coaxially provided with a horizontal straight-through bolt hole; a reinforcing backing plate 17 is welded and fixed on the vertical outer side wall of one of the axisymmetric plate bodies of the collision end plate 12; the plate body of the reinforcing backing plate 17 is provided with a through hole; the through hole is coaxially matched with a bolt hole formed in the collision head end plate 12; the bolt hole and the through hole are coaxially, tightly matched and fixedly provided with a bolt 16; the axial inserting thickness of the bolt hole of the plate body of the collision end plate 12 is increased through the reinforcing end plate 17, and the connecting strength is ensured. The outer side end of the bolt 16 is fixedly connected with the chain 11; the chain 11 is connected with a train and used for preventing the bolt 16 from falling off and losing after being pulled out. (Combined FIG. 2)

In the above embodiment, further: for adopting the simplest structure, solve the connection installation problem of backplate connecting piece 6 and frame: preferably, the tailgate connectors 6 are of a horizontally transverse L-shaped configuration. The rear baffle connecting piece 6 is horizontally arranged after being bent into an L-shaped structure by a steel plate.

(as shown in fig. 1) the vertical plate of the tailgate connection 6 acts as a gasket and is provided with through holes; the specific function of the gasket is that: the rear baffle plate 8 is of a vertical plate body structure, and the upper end and the lower end of the vertical plate body of the rear baffle plate 8 are respectively provided with internal thread holes which are parallel at intervals up and down; the internal thread hole is used for fastening and installing a square head bolt 5. The axial direction of the internal thread hole is parallel to the compression direction of the rubber spring 1. The vertical plate body of the rear baffle plate connecting piece 6 is provided with a through hole; the through hole is the through hole of the gasket. The square head bolt 5 penetrates through a through hole formed in the vertical plate body of the rear baffle connecting piece 6, and then is screwed into an internal thread hole formed in the plate body of the rear baffle 8, so that the vertical plate body of the rear baffle connecting piece 6 is used as a gasket and is fastened and connected with the rear baffle 8 into a whole.

Wherein, the vertical plate body of backplate connecting piece 6 plays the packing ring effect for reinforcing square head bolt 5 and 8 reliability of being connected of backplate, the vertical plate body through backplate connecting piece 6 simultaneously with backplate connecting piece 6 even be a whole with backplate 8. And then the coupler device and the frame are indirectly connected into a whole through the horizontal plate body of the rear baffle connecting piece 6.

That is to say: the horizontal plate body of the rear baffle connecting piece 6 is provided with a plurality of mounting holes; as shown in fig. 2, three mounting holes are provided at three vertices of the regular triangle. To improve connection reliability and robustness.

And the horizontal plate body of the rear baffle plate connecting piece 6 is parallel to the central line of the square head bolt 5 at intervals up and down so as to realize the horizontal supporting and mounting of the coupler device on the frame.

A plurality of mounting holes of the horizontal plate body of the rear baffle connecting piece 6 correspond to the number of the mounting holes respectively, and the horizontal plate body of the rear baffle connecting piece 6 is fastened with the frame into a whole by using a plurality of groups of bolts 2, hexagon nuts I3 and elastic washers II 14 which correspond to the number of the mounting holes.

The fastener is a common part, and is easy to obtain materials, convenient to install and easy to disassemble.

In the above embodiment, further: for adopting simple structure to realize rubber spring 1 and preceding, the fixed connection of backplate (6, 8): the left end of the rubber spring 1 in the position shown in the figure is coaxially and fixedly connected with one end of a fixed screw 101 in the axial center; the center of the plate body of the rear baffle plate 8 is provided with an internal threaded hole; the left end of the fixed screw 101 is screwed and matched and penetrates through the center of the plate body of the rear baffle plate 8 to form an internal threaded hole; and the external thread of the penetrating end at the left side end of the fixed screw rod 101 is screwed and matched with the hexagonal slotted nut 7. The slotted nut 7 is prevented from coming off the fixing screw 101 by the slotted nut 7 in combination with a cotter pin 15 described later. Meanwhile, the hexagonal slotted nut 7 is screwed with the fixing screw 101 to fasten the left side, namely the rear side end, of the rubber spring 1 with the center of the rear baffle plate 8.

A pin hole is formed in the penetrating end of the left side end of the fixed screw rod 101 and is perpendicular to the axial direction of the rod body, and a cotter pin 15 is installed in the pin hole in a tight fit mode; meanwhile, the cotter pin 15 penetrates through the notch of the slotted nut and is used for limiting and blocking the hexagonal slotted nut 7 so as to prevent the hexagonal slotted nut 7 from falling off. And the reliability of the connection between the left end of the rubber spring 1 and the center of the rear baffle plate 8 is improved through the hexagonal slotted nut 7 and the split pin 15.

In the above embodiment, further: for adopting simple structure, the reliable connection of preceding, backplate and rubber spring 1 is realized to simple material: the front baffle 9 is also of a vertical plate structure, and the center of a plate body on one side of the front baffle 9 is fixedly connected with the axial telescopic end of the rubber spring 1, namely the right side end as shown in the figure into a whole; the connection mode can be realized by adopting a fastening connection mode of combining a stepped shaft with a large nut or a welding connection mode.

The center of the plate body at the other side of the front baffle 9 is fixedly connected with the center of the bumper 10, and the fixedly connecting mode can be a connecting mode of fixedly connecting by welding or combining a stepped shaft with a large nut for fastening.

The bumper iron 10 is also of a vertical plate body structure; simple structure, economy and practicality, and convenient manufacture.

The other side of the latch 10, namely the center of the right side of the plate body, is fixedly connected with the left side end of a latch end plate 12; the collision iron 10, the front baffle 9 and the collision head end plate 12 are connected into a whole and synchronously move along with the axial extension of the right side end of the rubber spring 1.

For solving the spacing direction supporting role of iron-impact 10 to the coupling device, prevent the coupling through iron-impact 10 simultaneously and warp, provide sharp direction for the flexible absorption vibration buffering action of level of coupling: the outer side of the plate body of the collision iron 10 is provided with guide through holes with upper and lower axisymmetric directions; the central axis of the guide through hole is parallel to the axial telescopic direction of the rubber spring 1 at intervals.

The upper end and the lower end of the plate body of the rear baffle plate 8 are respectively and vertically fixedly connected with one end of a square-head bolt 5; the fixed connection mode comprises vertical welding fixed connection and screwing fixed connection.

The upper end and the lower end of the plate body of the rear baffle plate 8 are vertically and fixedly arranged, and the square-head bolts 5 are arranged in parallel and axisymmetric mode at intervals.

The optical axis section 501 in the middle of the other end of the square head bolt 5 vertically penetrates through the guide through hole; the optical axis section 501 is matched with the guide through hole in a clearance mode, so that linear guide is provided, and jamming is prevented.

And an external thread 502 arranged at the penetrating end of the tail end of the other end of the square head bolt 5 is sleeved with an elastic washer I13 and then screwed to be matched with and provided with a hexagonal nut II 4. Elastic washer I13, hexagonal nut II 4 are used for spacing card to keep off square head bolt 5, prevent 5 terminal and 10 direction through-holes of iron that bump of square head bolt from droing. The left side end of the hexagonal nut II 4 is attached to the vertical side wall of the right side end of the impact iron 10. And in the attaching state, the rubber spring 1 is in a natural state.

The optical axis section 501 of the square head bolt 5 is in coaxial clearance fit with the guide through hole, and the optical axis section 501 of the square head bolt 5 and the guide through hole are used for providing linear guide for the collision iron 10, the front baffle plate 9 and the collision end plate 12 along with the axial displacement of the rubber spring 1; meanwhile, the upper group of straight line guide components and the lower group of square head bolts 5 are used for limiting the transition deflection of the stop 10, so that the deformation of the coupler is prevented.

In the above embodiment, further: for solving square head bolt 5 and backplate 8 simplest, the perpendicular problem of linking firmly of convenient assembly: the rear baffle 8 is of a vertical plate body structure; the upper end and the lower end of the vertical plate body of the rear baffle plate 8 are respectively provided with a pair of internal thread holes which are parallel at intervals up and down; the axial direction of the internal thread hole is parallel to the compression direction of the rubber spring 1 at intervals; the left side end of the square head bolt 5, namely, one end with a bolt head, is screwed into an internal threaded hole formed in the rear baffle plate 8 and then is vertically and fixedly connected with the plate body of the rear baffle plate 8 into a whole.

The utility model discloses a theory of operation does: the head end plate 12 is fixedly connected with the bumper 10, the front baffle 9 and the rubber spring 1 into a whole in a coaxial and collinear way. The vehicle compresses the elastic element by means of the rubber spring 1 to relieve the longitudinal impact and vibration impact force of the collision end plate 12 on the train caused by the change of the traction force of the locomotive or the mutual collision of the vehicles during the starting, braking and shunting operations during the running of the train; meanwhile, impact energy is absorbed by friction and damping in the deformation process of the elastic element of the rubber spring 1, so that the damage to a vehicle body structure and a loaded article is reduced; by means of the linear guide and constraint action of the stop 10 and the upper and lower head bolts 5, the linear guide and constraint capacity of the elastic element of the rubber spring 1 in the deformation process is improved, the rubber spring 1 is smoothly linked in place at one time, other auxiliary equipment is not required to be added, the running stability of a train is improved, and the deformation of the car coupler is prevented by the constraint action of the stop 10.

From the above description it can be found that: the utility model adopts the rubber spring 1 to buffer the longitudinal impact and vibration caused by the traction force change of the locomotive or the mutual collision of the vehicles during the starting, braking and shunting operation in the running process of the train, thereby reducing the destructive effect on the structure of the train body and the loaded articles; the stability of train hookup is improved, reduce cost, realizes the buffering of coupling.

The utility model discloses rubber spring 1 simple structure, economical and practical utilizes friction and damping to absorb impact energy at elastic element deformation in-process, and vertical buffering absorbed vibration is sufficient with impact energy, and the train operates steadily.

The utility model discloses straight line direction subassembly is used for providing sharp direction for bumping head end plate 12, bumping indisputable 10, preceding baffle 9 along with the synchronous axial telescopic displacement of 1 preceding sides of rubber spring, and the train absorbs vertical buffering vibration and moves stably, safe and reliable when assaulting.

The utility model has simple structure of the coupler body and no redundant parts; the device can be smoothly connected in place at one time without adding other auxiliary equipment; the material is easy to obtain, the manufacturing is convenient, the installation is convenient, the production cost is reduced, and the train is more smoothly, safely and stably connected.

The utility model discloses on one hand, the gauge 10 is used for supporting the gauge end plate 12, and provides the straight line direction for the gauge end plate 12, the gauge 10, the front baffle 9 along with the synchronous axial telescopic displacement of the front side end of the rubber spring 1; on the other hand, the latch 10 in cooperation with the lag bolt 5 can also be used for preventing the deformation problem of the coupler caused by external forces in different directions.

The utility model integrates the coupler back baffle 8 and the frame through the back baffle connecting piece 6; the rear baffle connecting piece 6 can be used as a gasket and a fixing frame; simple structure, convenient manufacture, reliable connection, convenient installation, economy and practicality.

In summary, the utility model adopts the rubber spring 1 with the linear guide component to buffer the longitudinal impact and vibration in the running process of the train, and reduce the destructive effect; the problem that the lower coupler has limited buffering capacity in the prior art is solved; the structure is complex, and the production cost is high; the technical problem that the running stability of the vehicle is poor. The utility model discloses coupler device simple structure, the preparation is convenient, and the material is easily obtained, and the operation is stable, and the absorption vibration buffer capacity is good, economy, practicality, stability, reliable, safety.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description is described in terms of one embodiment, this embodiment does not include only a single embodiment, but such description is merely for clarity, and those skilled in the art will recognize that the embodiments described in this embodiment can be combined as appropriate to form other embodiments as would be understood by those skilled in the art.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Take buffer's direction type coupling, its characterized in that: comprises a collision head end plate (12), a collision iron (10), a front baffle plate (9), a rubber spring (1), a rear baffle plate (8) and a rear baffle plate connecting piece (6); the rear baffle (8) is fixedly connected with the frame through a rear baffle connecting piece (6); the rear baffle (8) and the front baffle (9) are arranged in parallel at intervals in the front-back direction, and the horizontally telescopic rubber spring (1) is coaxially and fixedly connected between the rear baffle (8) and the front baffle (9); the front side of the front baffle (9) is fixedly connected with a collision iron (10); the front side of the bumper iron (10) is fixedly connected with a bumper head end plate (12); the collision head end plate (12), the collision iron (10) and the front baffle plate (9) synchronously and axially extend and displace along with the front end of the rubber spring (1); a linear guide assembly is arranged between the rear baffle (8) and the collision iron (10); the linear guide assembly is used for providing linear guide for the synchronous axial telescopic displacement of the collision head end plate (12), the collision iron (10) and the front baffle plate (9) along with the front side end of the rubber spring (1).

2. The draft gear with draft gear according to claim 1, wherein: the linear guide assembly comprises a rear baffle (8), a square-head bolt (5), an elastic washer I (13), a hexagonal nut II (4) and a collision iron (10); the rear baffle (8) is of a vertical plate structure, and the upper end and the lower end of the vertical plate of the rear baffle (8) are respectively and fixedly connected with one end of a pair of square-head bolts (5) which are parallel at intervals up and down; the square head bolt (5) is axially parallel to the elastic extrusion direction of the rubber spring (1); the upper end and the lower end of the vertical plate body of the collision iron (10) are respectively provided with a pair of guide through holes which are parallel at intervals up and down; the central line of the guide through hole is parallel to the elastic extrusion direction of the rubber spring (1) at intervals; the other end of the square head bolt (5) penetrates through a guide through hole formed in the collision iron (10); an elastic washer I (13) and a hexagonal nut II (4) are arranged at the penetrating end of the other end of the square head bolt (5); the collision iron (10) slides and moves along the axial direction of the square head bolt (5) through the guide through hole; the guide through hole of the collision iron (10) is matched with the rod body clearance of the square head bolt (5) to provide linear guide for the synchronous axial telescopic displacement of the front baffle plate (9), the collision iron (10) and the collision end plate (12) along with the front side end of the rubber spring (1).

3. The draft gear with draft gear according to claim 1, wherein: the collision head end plate (12) is of a welded assembly structure; the collision head end plate (12) is provided with a horizontal straight-through bolt hole; a reinforcing base plate (17) provided with a through hole is coaxially and fixedly arranged in a bolt hole of the collision head end plate (12); the bolt hole and the through hole of the reinforcing backing plate (17) are coaxially matched with each other to be inserted with a mounting bolt (16); the outer side end of the bolt (16) is fixedly connected with the chain (11); the chain (11) is connected with the train and used for preventing the bolt (16) from falling off.

4. The draft gear with draft gear according to claim 1, wherein: the rear baffle connecting piece (6) is of a horizontally transverse L-shaped structure; the vertical plate body of the rear baffle plate connecting piece (6) is used as a gasket and is provided with a through hole; the rear baffle (8) is of a vertical plate body structure, and the upper end and the lower end of the vertical plate body of the rear baffle (8) are respectively provided with internal thread holes which are parallel at intervals up and down; the axial direction of the internal thread hole is parallel to the compression direction of the rubber spring (1); the square-head bolt (5) penetrates through a through hole formed in the vertical plate body of the rear baffle plate connecting piece (6) and is screwed into an internal threaded hole formed in the plate body of the rear baffle plate (8), and then the vertical plate body of the rear baffle plate connecting piece (6) and the rear baffle plate (8) are fastened and connected into a whole; the horizontal plate body of the rear baffle connecting piece (6) is provided with a plurality of mounting holes; the horizontal plate body of the rear baffle connecting piece (6) is vertically parallel to the central line of the square head bolt (5) at intervals; a plurality of mounting holes made in the horizontal plate body of the rear baffle connecting piece (6) are used for fastening the horizontal plate body of the rear baffle connecting piece (6) and the frame into a whole by using a plurality of groups of bolts (2), hexagon nuts I (3) and elastic washers II (14).

5. The draft gear with draft gear according to claim 1, wherein: the center of the axial end of the rubber spring (1) is coaxially and fixedly connected with one end of the fixed screw rod (101); the center of the plate body of the rear baffle (8) is provided with an internal threaded hole; the other end of the fixed screw (101) is screwed and matched to penetrate through the center of the plate body of the rear baffle (8) to form an internal threaded hole; the penetrating end of the other end of the fixed screw rod (101) is screwed and matched with a hexagonal slotted nut (7); the rear side end of the rubber spring (1) is fastened and connected with the center of the plate body of the rear baffle plate (8) into a whole by screwing the hexagonal slotted nut (7) with the fixed screw (101); a pin hole is formed in the penetrating end of the other end of the fixed screw rod (101) and is perpendicular to the axial direction of the rod body, and a cotter pin (15) is installed in the pin hole in a tight fit mode; the split pin (15) is used for limiting the blocking hexagonal slotted nut (7) to prevent the hexagonal slotted nut (7) from falling off.

6. The draft gear with draft gear according to claim 1, wherein: the front baffle (9) is of a vertical plate structure, and the center of a plate body on one side of the front baffle (9) is fixedly connected with the axial telescopic end of the rubber spring (1) into a whole; the center of the plate body on the other side of the front baffle (9) is fixedly connected with the center of the bumper (10); the collision iron (10) is also of a vertical plate body structure; the center of the plate body at the other side of the latch iron (10) is fixedly connected with an axial displacement end of a latch end plate (12); the collision iron (10) is connected with the front baffle (9) and the collision head end plate (12) to synchronously and axially extend and retract along with the axial extension end of the rubber spring (1); the outer side of the plate body of the collision iron (10) is provided with guide through holes which are axially symmetrical up and down; the central axis of the guide through hole is parallel to the axial telescopic direction of the rubber spring (1) at intervals; the upper end and the lower end of the plate body of the rear baffle plate (8) are respectively and vertically fixedly connected with one end of a square-head bolt (5); the square-head bolts (5) are arranged in parallel axisymmetric mode at intervals up and down; the middle optical axis section (501) at the other end of the square head bolt (5) directly passes through the guide through hole; an external thread (502) formed at the penetrating end of the tail end of the other end of the square head bolt (5) is provided with an elastic washer I (13) and a hexagonal nut II (4); the elastic washer I (13) and the hexagonal nut II (4) are used for limiting and blocking the square-head bolt (5) and preventing the tail end of the square-head bolt (5) and the guide through hole of the collision iron (10) from falling off; square head bolt (5) optical axis section (501) and the coaxial clearance adaptation of direction through-hole, square head bolt (5) optical axis section (501) and direction through-hole are used for providing sharp direction for meeting iron (10), preceding baffle (9), meeting end plate (12) along with the axial displacement of rubber spring (1).

7. The draft gear coupler with draft gear according to claim 6, wherein: the rear baffle (8) is of a vertical plate body structure; the upper end and the lower end of a vertical plate body of the rear baffle (8) are respectively provided with a pair of internal thread holes which are parallel at an upper interval and a lower interval; the axial direction of the internal thread hole is parallel to the compression direction of the rubber spring (1) at intervals; one end of the square-head bolt (5) is screwed with an internal threaded hole formed in the rear baffle (8) and then is vertically and fixedly connected with the plate body of the rear baffle (8) into a whole.