CN214138529U - Railway wagon and traction mechanism - Google Patents

Abstract

The utility model relates to a railway freight car and drive mechanism. The traction mechanism includes: draw body, first conflict piece and second conflict piece, draw the inside installation cavity that is used for placing the coupler body that is equipped with of body, first conflict piece with the second conflict piece all is located in the installation cavity, just first conflict piece with the second conflict piece is fixed respectively and is installed draw the corresponding both sides of body, draw be equipped with on the body with the first spacing of the spacing complex of first conflict piece keep off the shoulder and with the spacing complex second of second conflict piece keeps off the shoulder, first conflict piece with the second conflict piece all be used for with the coupler body is contradicted and is cooperated. Above-mentioned drive mechanism has realized the spacing transition to first contact piece and second contact piece through first spacing shoulder and the spacing shoulder of keeping off of second, has improved the anti not hard up ability of first contact piece and second contact piece on pulling the body, has improved drive mechanism promptly to the fixed effect of coupling.

Description

Railway wagon and traction mechanism

Technical Field

The utility model relates to a railway freight car's technical field especially relates to railway freight car and drive mechanism.

Background

The traction between two adjacent carriages is realized through a traction beam of the traditional railway wagon, namely the traction beam is fixedly hooked with the carriages by utilizing a car coupler, a front driven plate seat is arranged in the traction beam so as to realize the collision and fixation of the car coupler, and the front driven plate seat is usually fixed with the traction beam through rivets or screws after being arranged on the traction beam. However, in the above fixing method, under the condition of continuously bearing a stress load, the front driven plate seat can be loosened on the draft sill, so that the fixing effect of the draft sill on the coupler is affected.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a railway wagon and a draft mechanism in order to improve the fixing effect of a draft sill to a coupler.

A traction mechanism, the traction mechanism comprising: draw body, first conflict piece and second conflict piece, draw the inside installation cavity that is used for placing the coupler body that is equipped with of body, first conflict piece with the second conflict piece all is located in the installation cavity, just first conflict piece with the second conflict piece is fixed respectively and is installed draw the corresponding both sides of body, draw be equipped with on the body with the first spacing of the spacing complex of first conflict piece keep off the shoulder and with the spacing complex second of second conflict piece keeps off the shoulder, first conflict piece with the second conflict piece all be used for with the coupler body is contradicted and is cooperated.

The railway wagon comprises a traction mechanism, a wagon box body and a hook body, wherein the traction mechanism is arranged on the wagon box body, the hook body is abutted and fixed with the traction mechanism, the hook tongue end of the hook body extends out of the traction mechanism, and the hook tongue end of the hook body is used for being installed and matched with an external wagon box.

In one embodiment, the traction body comprises an upper cover plate, a first side plate, a second side plate, a first lower cover plate and a second lower cover plate, wherein one side of the first side plate is connected with one side of the upper cover plate, one side of the second side plate is connected with the other side of the upper cover plate, the first side plate correspondingly faces the second side plate, the upper cover plate, the first side plate and the second side plate are matched to form the installation cavity, one side of the first lower cover plate is connected with the other side of the first side plate, the other side of the first lower cover plate faces the direction far away from the installation cavity, one side of the second lower cover plate is connected with the other side of the second side plate, and the other side of the second side plate faces the direction far away from the installation cavity. The first lower cover plate is arranged on the first limiting blocking shoulder, and the second lower cover plate is arranged on the second limiting blocking shoulder.

In one embodiment, the first abutting member includes a first base and a first reinforcing rib, the first base and the first reinforcing rib are both fixedly mounted on the first side plate, and the first base and the first reinforcing rib are fixedly engaged.

In one embodiment, the first reinforcing rib assembly comprises a first reinforcing rib plate and a second reinforcing rib plate, the first reinforcing rib plate and the second reinforcing rib plate are fixed on the first side plate at intervals, the first reinforcing rib plate and the second reinforcing rib plate are both fixedly matched with the first seat body, one surface of the first reinforcing rib plate, which faces the hook body, is a first inclined surface, and the first inclined surface inclines from high to low along the extending direction of the hook body in the installation cavity; one surface of the second rib plate facing the hook body is a second inclined surface, and the second inclined surface inclines from high to low along the extending direction of the hook body in the mounting cavity.

In one embodiment, after the first seat body is fixed on the first side plate, one end of the first seat body abuts against the upper cover plate, and the other end of the first seat body abuts against and is matched with the first limit shoulder.

In one embodiment, the second abutting member includes a second seat body and a second reinforcing rib assembly, the second seat body and the second reinforcing rib assembly are both fixedly mounted on the second side plate, and the second seat body and the second reinforcing rib assembly are fixedly engaged.

In one embodiment, the second reinforcing rib assembly comprises a third reinforcing rib plate and a fourth reinforcing rib plate, the third reinforcing rib plate and the fourth reinforcing rib plate are fixed on the second side plate at intervals, the third reinforcing rib plate and the fourth reinforcing rib plate are both fixedly matched with the second seat body, one surface of the third reinforcing rib plate facing the hook body is a third inclined surface, and the third inclined surface inclines from high to low along the extending direction of the hook body in the installation cavity; one surface of the fourth rib plate, facing the hook body, is a fourth inclined surface, and the fourth inclined surface inclines from high to low along the extending direction of the hook body in the mounting cavity.

In one embodiment, after the second seat body is fixed on the second side plate, one end of the second seat body abuts against the upper cover plate, and the other end of the second seat body abuts against and is matched with the second limiting stop shoulder.

In one embodiment, the first contact piece further comprises a first wear plate, and the first wear plate is arranged on a surface of the first base body, which faces away from the first reinforcing rib assembly; the second contact piece further comprises a second wear-resisting plate, and the second wear-resisting plate is arranged on one surface, deviating from the second reinforcing rib assembly, of the second seat body.

When the traction mechanism is used, the size of the space of the installation cavity in the traction body is determined according to the size or the shape of the hook body required to be installed. Then, according to the distance between the corresponding both sides face of body is pull to the hook body after the hook body is installed in pulling the body, confirm the self thickness or the self height of first conflict piece and second conflict piece to guarantee that first conflict piece and second conflict piece install and pull the body inside back, first conflict piece and second conflict piece homoenergetic enough contradict with the hook body. When the first abutting part and the second abutting part are fixed on the traction body, the first abutting part and the second abutting part can be welded and fixed on the traction body, or the first abutting part and the second abutting part are fixed on the traction body by screws or rivets. Further, at the in-process that first conflict piece and second conflict piece and hook body continue conflict, first conflict piece and second conflict piece can continue to receive the atress load (along with railway freight car axle load improves and the continuous increase of train marshalling quantity sometimes, the atress load that first conflict piece and second conflict piece received still can constantly increase), at this moment, first spacing fender shoulder can carry out spacing conflict with first conflict piece, first spacing fender shoulder can effectively restrict first conflict piece and appear becoming flexible along the direction of atress load promptly, and the spacing fender shoulder of second can carry out spacing conflict with second conflict piece, spacing fender shoulder of second can effectively restrict second conflict piece and appear becoming flexible along the direction of atress load promptly. Therefore, the traction mechanism realizes the limiting transition of the first abutting part and the second abutting part through the first limiting blocking shoulder and the second limiting blocking shoulder, the anti-loosening capacity of the first abutting part and the second abutting part on the traction body is improved, and the fixing effect of the traction mechanism on the car coupler is improved.

When the railway wagon is used, the traction mechanism is firstly arranged on the wagon box body, then the hook body is arranged through the traction mechanism, and the first abutting part and the second abutting part can abut against the hook body at the moment, so that the accidental separation of the car coupler and the traction mechanism when the hook body is subjected to external force load is avoided. Simultaneously, carry out spacing conflict through first spacing fender shoulder and first conflict piece, first spacing fender shoulder can effectively restrict first conflict piece promptly and appear becoming flexible along the direction of atress load to and carry out spacing conflict through the spacing fender shoulder of second and second conflict piece, the spacing fender shoulder of second can effectively restrict second conflict piece promptly and appear becoming flexible along the direction of atress load. Therefore, the traction mechanism realizes the limiting transition of the first contact part and the second contact part through the first limiting shoulder and the second limiting shoulder, the anti-loosening capacity of the first contact part and the second contact part on the traction body is improved, and the traction effect of the railway wagon is improved.

Drawings

FIG. 1 is a schematic diagram of a traction mechanism shown from one perspective thereof;

FIG. 2 is a schematic view of the traction mechanism from another perspective;

fig. 3 is a front view of the traction mechanism.

100. The traction body comprises a traction body, 110, a first limit retaining shoulder, 120, a second limit retaining shoulder, 130, an upper cover plate, 140, a first side plate, 150, a second side plate, 160, a first lower cover plate, 170, a second lower cover plate, 200, a first abutting part, 201, a first wear-resisting plate, 210, a first base body, 220, a first reinforcing component, 221, a first rib plate, 222, a second rib plate, 300, a second abutting part, 301, a second wear-resisting plate, 310, a second base body, 320, a second reinforcing rib component, 321, a third rib plate, 322, a fourth rib plate, 400 and an installation cavity.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1-3, in one embodiment, the traction mechanism includes: the hook body structure comprises a traction body 100, a first abutting part 200 and a second abutting part 300, wherein a mounting cavity 400 used for placing a hook body is arranged inside the traction body 100, the first abutting part 200 and the second abutting part 300 are located in the mounting cavity 400, the first abutting part 200 and the second abutting part 300 are fixedly mounted on two corresponding sides of the traction body 100 respectively, a first limiting blocking shoulder 110 in limiting fit with the first abutting part 200 and a second limiting blocking shoulder 120 in limiting fit with the second abutting part 300 are arranged on the traction body 100, and the first abutting part 200 and the second abutting part 300 are all used for abutting fit with the hook body.

When the traction mechanism is used, the size of the space for installing the cavity 400 in the traction body 100 is determined according to the size or shape of the hook body required to be installed. Then, according to the distance between the two corresponding side surfaces of the hook body traction body 100 after the hook body is installed in the traction body 100, the thickness or the height of the first contact piece 200 and the second contact piece 300 is determined, so that after the first contact piece 200 and the second contact piece 300 are installed in the traction body 100, the first contact piece 200 and the second contact piece 300 can be fully abutted against the hook body. When the first contact member 200 and the second contact member 300 are fixed to the traction body 100, the first contact member 200 and the second contact member 300 may be fixed to the traction body 100 by welding, or the first contact member 200 and the second contact member 300 may be fixed to the traction body 100 by screws or rivets. Further, in the process of continuously colliding the first abutting element 200 and the second abutting element 300 with the hook body, the first abutting element 200 and the second abutting element 300 continuously receive the stress load (sometimes, along with the increase of the axle load of the railway wagon and the continuous increase of the train formation number, the stress load received by the first abutting element 200 and the second abutting element 300 also continuously increases), at this time, the first limit stop shoulder 110 performs limit collision with the first abutting element 200, that is, the first limit stop shoulder 110 can effectively limit the first abutting element 200 to be loosened in the direction of the stress load, and the second limit stop shoulder 120 can perform limit collision with the second abutting element 300, that is, the second limit stop shoulder 120 can effectively limit the second abutting element 300 to be loosened in the direction of the stress load. Therefore, the traction mechanism realizes the limit transition of the first contact element 200 and the second contact element 300 through the first limit stop shoulder 110 and the second limit stop shoulder 120, and improves the anti-loosening capacity of the first contact element 200 and the second contact element 300 on the traction body 100, namely, the fixing effect of the traction mechanism on the coupler is improved.

As shown in fig. 1 to 3, in one embodiment, the traction body 100 includes an upper cover plate 130, a first side plate 140, a second side plate 150, a first lower cover plate 160 and a second lower cover plate 170, one side of the first side plate 140 is connected to one side of the upper cover plate 130, one side of the second side plate 150 is connected to the other side of the upper cover plate 130, and the first side plate 140 faces the second side plate 150, the upper cover plate 130, the first side plate 140 and the second side plate 150 cooperate to form the mounting cavity 400, one side of the first lower cover plate 160 is connected to the other side of the first side plate 140, and the other side of the first lower cover plate 160 faces away from the mounting cavity 400, one side of the second lower cover plate 170 is connected to the other side of the second side plate 150, and the other side of the second side plate 150 faces the direction away from the mounting cavity 400. The first limit stop shoulder 110 is mounted on the first lower cover plate 160, and the second limit stop shoulder 120 is mounted on the second lower cover plate 170. Specifically, the upper cover plate 130, the first side plate 140, the second side plate 150, the first lower cover plate 160 and the second lower cover plate 170 may be welded or integrally formed. When the traction body 100 is installed, the upper cover plate 130, the first lower cover plate 160 and the second lower cover plate 170 are used for bearing the longitudinal tensile and compressive loads during the operation of the truck vehicle.

As shown in fig. 3, in an embodiment, the first contact 200 includes a first base 210 and a first rib assembly, the first base 210 and the first rib assembly are both fixedly mounted on the first side plate 140, and the first base 210 and the first rib assembly are fixedly engaged. Specifically, the first base 210 and the first reinforcing rib assembly may be directly welded to the first side plate 140, or the first base 210 and the first reinforcing rib assembly are fixed to the first side plate 140 by screws or rivets. After the hook is installed in the traction body 100, the first seat 210 and the first stiffener can collide with the hook, so as to limit the relative movement between the hook and the traction body 100. Further, when the hook is installed in the traction body 100, the tail frame of the hook will collide with the first seat 210, so as to prevent the hook from moving in a direction extending out of the traction body 100 relative to the traction body 100.

As shown in fig. 1 to 3, in an embodiment, the first reinforcing rib assembly includes a first rib plate 221 and a second rib plate 222, the first rib plate 221 and the second rib plate 222 are fixed on the first side plate 140 at intervals, and both the first rib plate 221 and the second rib plate 222 are fixedly engaged with the first seat 210, a surface of the first rib plate 221 facing the hook body is a first inclined surface, and the first inclined surface is inclined from high to low along a protruding direction of the hook body in the installation cavity 400; one surface of the second rib 222 facing the hook body is a second inclined surface, and the second inclined surface is inclined from high to low along the extending direction of the hook body in the installation cavity 400. Specifically, the number of rib plates may be selected according to the actual contact condition of the hook body and the traction body 100, for example: in this embodiment, the number of rib plates selected is two, i.e., the first rib plate 221 and the second rib plate 222. The first rib plate 221 is arranged on the surface facing the hook body as a first inclined surface, the second rib plate 222 is arranged on the surface facing the hook body as a second inclined surface, so that the first rib plate 221 and the second rib plate 222 can be abutted and fixed with the hook body, and the stress strength borne by the first rib plate 221 and the second rib plate 222 when different parts are abutted with the hook body is changed.

As shown in fig. 1 to fig. 3, in an embodiment, after the first fastening structure 210 is fixed on the first side plate 140, one end of the first fastening structure 210 is abutted against the upper cover plate 130, and the other end of the first fastening structure 210 is abutted against the first limiting shoulder 110. Specifically, when the upper cover plate 130 is subjected to a force load, the upper cover plate 130 may transfer the force load to the first seat 210, and when the first lower cover plate 160 is subjected to a force load, the first lower cover plate 160 may transfer the force load to the first seat 210. Namely, the deformation or damage of the upper cover plate 130 and the first lower cover plate 160 when they are subjected to a force load is prevented.

As shown in fig. 1 to 3, in one embodiment, the second contact 300 includes a second base 310 and a second rib assembly 320, the second base 310 and the second rib assembly 320 are both fixedly mounted on the second side plate 150, and the second base 310 and the second rib assembly 320 are fixedly engaged. Specifically, the second base 310 and the second rib assembly 320 may be directly welded to the second side plate 150, or the second base 310 and the second rib assembly 320 are fixed to the second side plate 150 by screws or rivets. When the hook is installed in the towing body 100, the second base 310 and the second stiffener 320 can collide with the hook, thereby limiting the relative movement between the hook and the towing body 100. Further, when the hook is installed in the traction body 100, the tail frame of the hook will collide with the second seat 310, so as to prevent the hook from moving in a direction extending out of the traction body 100 relative to the traction body 100.

As shown in fig. 1 to 3, in an embodiment, the second stiffener assembly 320 includes a third stiffener 321 and a fourth stiffener 322, the third stiffener 321 and the fourth stiffener 322 are fixed to the second side plate 150 at intervals, and both the third stiffener 321 and the fourth stiffener 322 are fixedly engaged with the second seat 310, a surface of the third stiffener 321 facing the hook body is a third inclined surface, and the third inclined surface is inclined from high to low along a protruding direction of the hook body in the installation cavity 400; one surface of the fourth rib plate 322 facing the hook body is a fourth inclined surface, and the fourth inclined surface is inclined from high to low along the extending direction of the hook body in the installation cavity 400. Specifically, the number of rib plates may be selected according to the actual contact condition of the hook body and the traction body 100, for example: in this embodiment, the number of rib plates selected is two, i.e., the third rib plate 321 and the fourth rib plate 322. The surface of the third rib plate 321 facing the hook body is set as a third inclined surface, and the surface of the fourth rib plate 322 facing the hook body is set as a fourth inclined surface, so that the third rib plate 321 and the fourth rib plate 322 can be abutted and fixed with the hook body, and the stress strength borne by the third rib plate 321 and the fourth rib plate 322 when different parts are abutted with the hook body is changed.

As shown in fig. 1 to fig. 3, in an embodiment, after the second fastening structure 310 is fastened to the second side plate 150, one end of the second fastening structure 310 abuts against the upper cover plate 130, and the other end of the second fastening structure 310 abuts against the second limiting shoulder 120. Specifically, when the upper cover plate 130 is subjected to a force load, the upper cover plate 130 may transfer the force load to the second seat 310, and when the second lower cover plate 170 is subjected to a force load, the second lower cover plate 170 may transfer the force load to the second seat 310. Namely, the deformation or damage of the upper cover plate 130 and the second lower cover plate 170 when being subjected to a force load is avoided.

As shown in fig. 1 and 2, in an embodiment, the first contact device 200 further includes a first wear plate 201, and the first wear plate 201 is installed on a surface of the first housing 210 facing away from the first stiffener assembly; the second contact member 300 further comprises a second wear plate 301, and the second wear plate 301 is mounted on a surface of the second housing 310 facing away from the second stiffener assembly 320. Specifically, after the hook is installed in the installation cavity 400, the tail frame of the hook will exert a corresponding collision force towards the first seat 210 and the second seat 310 under the traction force, and at this time, the first wear-resistant layer is additionally arranged on the first seat 210 and the second wear-resistant layer is additionally arranged on the second seat 310, so that the wear of the tail frame of the hook on the first seat 210 and the second seat 310 can be effectively reduced. Further, the first wear plate 201 and the second wear plate 301 may be made of a non-metallic material (e.g., plastic, rubber, etc.). Meanwhile, the first wear plate 201 can be fixed on the first seat 210 by countersunk screws, so that the later maintenance and replacement can be facilitated. And the second wear plate 301 may be fixed to the second housing 310 by countersunk screws to facilitate later repair and replacement.

In one embodiment, a railway wagon comprises the traction mechanism of any one of the above embodiments, and further comprises a wagon box body and a hook body, wherein the traction mechanism is installed on the wagon box body, the hook body is abutted and fixed with the traction mechanism, the hook tongue end of the hook body extends out of the traction mechanism, and the hook tongue end of the hook body is used for being installed and matched with an external wagon box.

When the railway wagon is used, the traction mechanism is firstly arranged on the wagon box body, then the hook body is arranged through the traction mechanism, and the first abutting part 200 and the second abutting part 300 can abut against the hook body at the moment, so that the phenomenon that the car coupler and the traction mechanism are accidentally separated when the hook body is subjected to external force load is avoided. Meanwhile, the first limit shoulder 110 and the first contact element 200 are in limit contact, namely, the first limit shoulder 110 can effectively limit the first contact element 200 to be loose along the direction of the force load, and the second limit shoulder 120 and the second contact element 300 are in limit contact, namely, the second limit shoulder 120 can effectively limit the second contact element 300 to be loose along the direction of the force load. Therefore, the traction mechanism realizes the limit transition of the first contact piece 200 and the second contact piece 300 through the first limit stop shoulder 110 and the second limit stop shoulder 120, and improves the anti-loosening capacity of the first contact piece 200 and the second contact piece 300 on the traction body 100, namely, the traction effect of the railway wagon.

When the railway wagon is used, the traction mechanism is firstly arranged on the wagon box body, then the hook body is arranged through the traction mechanism, and the first abutting part 200 and the second abutting part 300 can abut against the hook body at the moment, so that the phenomenon that the car coupler and the traction mechanism are accidentally separated when the hook body is subjected to external force load is avoided. Meanwhile, the first limit shoulder 110 and the first contact element 200 are in limit contact, namely, the first limit shoulder 110 can effectively limit the first contact element 200 to be loose along the direction of the force load, and the second limit shoulder 120 and the second contact element 300 are in limit contact, namely, the second limit shoulder 120 can effectively limit the second contact element 300 to be loose along the direction of the force load. Therefore, the traction mechanism realizes the limit transition of the first contact piece 200 and the second contact piece 300 through the first limit stop shoulder 110 and the second limit stop shoulder 120, and improves the anti-loosening capacity of the first contact piece 200 and the second contact piece 300 on the traction body 100, namely, the traction effect of the railway wagon.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A towing mechanism, characterized in that the towing mechanism comprises: draw body, first conflict piece and second conflict piece, draw the inside installation cavity that is used for placing the coupler body that is equipped with of body, first conflict piece with the second conflict piece all is located in the installation cavity, just first conflict piece with the second conflict piece is fixed respectively and is installed draw the corresponding both sides of body, draw be equipped with on the body with the first spacing of the spacing complex of first conflict piece keep off the shoulder and with the spacing complex second of second conflict piece keeps off the shoulder, first conflict piece with the second conflict piece all be used for with the coupler body is contradicted and is cooperated.

2. The traction mechanism as claimed in claim 1, wherein the traction body comprises an upper cover plate, a first side plate, a second side plate, a first lower cover plate and a second lower cover plate, wherein one side of the first side plate is connected with one side of the upper cover plate, one side of the second side plate is connected with the other side of the upper cover plate, the first side plate faces the second side plate correspondingly, the upper cover plate, the first side plate and the second side plate cooperate to form the installation cavity, one side of the first lower cover plate is connected with the other side of the first side plate, the other side of the first lower cover plate faces a direction away from the installation cavity, one side of the second lower cover plate is connected with the other side of the second side plate, the other side of the second side plate faces a direction away from the installation cavity, and the first limiting shoulder is mounted on the first lower cover plate, the second limiting blocking shoulder is arranged on the second lower cover plate.

3. The pulling mechanism as recited in claim 2, wherein the first abutting member comprises a first seat and a first rib assembly, the first seat and the first rib assembly are both fixedly mounted on the first side plate, and the first seat and the first rib assembly are fixedly engaged.

4. The traction mechanism according to claim 3, wherein the first reinforcing rib assembly comprises a first rib plate and a second rib plate, the first rib plate and the second rib plate are fixed on the first side plate at intervals, the first rib plate and the second rib plate are both fixedly matched with the first seat body, one surface of the first rib plate facing the hook body is a first inclined surface, and the first inclined surface inclines from high to low along the extending direction of the hook body in the installation cavity; one surface of the second rib plate facing the hook body is a second inclined surface, and the second inclined surface inclines from high to low along the extending direction of the hook body in the mounting cavity.

5. The pulling mechanism as recited in claim 3, wherein after the first seat is fixed on the first side plate, one end of the first seat abuts against the upper cover plate, and the other end of the first seat abuts against and fits with the first limiting shoulder.

6. The pulling mechanism as recited in claim 3, wherein the second abutting member comprises a second seat and a second rib assembly, the second seat and the second rib assembly are both fixedly mounted on the second side plate, and the second seat and the second rib assembly are fixedly engaged.

7. The traction mechanism according to claim 6, wherein the second reinforcing rib assembly comprises a third rib plate and a fourth rib plate, the third rib plate and the fourth rib plate are fixed on the second side plate at intervals, the third rib plate and the fourth rib plate are both fixedly matched with the second seat body, one surface of the third rib plate facing the hook body is a third inclined surface, and the third inclined surface inclines from high to low along the extending direction of the hook body in the installation cavity; one surface of the fourth rib plate, facing the hook body, is a fourth inclined surface, and the fourth inclined surface inclines from high to low along the extending direction of the hook body in the mounting cavity.

8. The pulling mechanism as recited in claim 6, wherein after the second seat is fixed on the second side plate, one end of the second seat abuts against the upper cover plate, and the other end of the second seat abuts against and fits with the second limiting shoulder.

9. The hitch mechanism of claim 6, wherein the first contact further comprises a first wear plate disposed on a side of the first housing facing away from the first stiffener assembly; the second contact piece further comprises a second wear-resisting plate, and the second wear-resisting plate is arranged on one surface, deviating from the second reinforcing rib assembly, of the second seat body.

10. A railway wagon, which comprises the traction mechanism of any one of claims 1 to 9, and further comprises a wagon box body and a hook body, wherein the traction mechanism is mounted on the wagon box body, the hook body is abutted and fixed with the traction mechanism, the coupler knuckle end of the hook body extends out of the traction mechanism, and the coupler knuckle end of the hook body is used for being matched and connected with the coupler knuckle end of an external wagon box.

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