WO2022037513A1

WO2022037513A1 - Identification locking device, variable gauge brake clamp unit, and rail vehicle

Info

Publication number: WO2022037513A1
Application number: PCT/CN2021/112674
Authority: WO
Inventors: 徐少亭; 韩培存; 刁有彬; 王震; 覃立伟; 孔德鹏; 宋传云
Original assignee: 青岛思锐科技有限公司
Priority date: 2020-08-19
Filing date: 2021-08-16
Publication date: 2022-02-24
Also published as: CN111942422A; CN111942422B

Abstract

An identification locking device, comprising: a mounting member (1), wherein the mounting member (1) is provided with: a moving part (11), an identification member (4) being connected to a gauge changing device, and the identification member (4) and the mounting member (1) being movably connected to each other via the moving part (11), and a locking groove (12), the locking groove (12) intersecting with the moving part (11); a connecting assembly (2), wherein the connecting assembly (2) comprises a first connecting member (21), the first connecting member (21) passing through the locking groove (12), and the first connecting member (21) being connected to the mounting member (1); and a locking assembly (3), wherein the locking assembly (3) is positioned in the locking groove (12), and the locking assembly (3) is provided with: a guide groove, the first connecting member (21) passing through the guide groove and being in guide-connection with the guide groove, and a first spring leaf (33), the first spring leaf (33) being provided with a first protrusion (331) and a second protrusion (332) which are oppositely arranged, wherein an opening part (333) arranged in a guide direction of the guide groove is formed between the first protrusion (331) and the second protrusion (332), the opening part (333) is arranged corresponding to the first connecting member (21), the size of the opening part (333) is smaller than that of the first connecting member (21), the first spring leaf (33) and the first connecting member (21) have a first state and a second state, and in the first state, the locking assembly (3) limits the action of the identification member (4), and in the second state, the locking assembly (3) does not limit the action of the identification member (4). Further disclosed are a variable gauge brake clamp unit comprising the identification locking device, and a rail vehicle comprising the variable gauge brake clamp unit. When the identification locking device is in a locked state, the identification member (4) can be prevented from falling off of same, the brake clamp unit can be ensured to move along with wheels, and hard collisions between the wheels and the brake clamp unit are prevented; and when the identification locking device is in an unlocked state, the identification member (4) can be detached from the gauge changing device, so as to facilitate the detachment and replacement of the identification member (4).

Description

Identification of locking devices, variable gauge brake caliper units and rail vehicles

This application claims the priority of the Chinese patent application filed on August 19, 2020, with the application number of 202010836746.1 and the invention titled "Identification locking device, gauge-variable brake caliper unit and rail vehicle", all of which are The contents are incorporated herein by reference.

technical field

The application belongs to the field of track-gauge braking systems for rail vehicles, and in particular relates to an identification locking device, a brake caliper unit and a rail vehicle.

Background technique

The brake caliper unit is the end effector of the rail vehicle braking system. For rail vehicles with variable gauge, a gauge-variable brake caliper unit is required, that is, a gauge-variable device is added on the basis of the brake caliper unit.

As shown in FIG. 1 , the variable gauge brake caliper unit includes a brake caliper unit 1 ′ and a gauge variable device 3 ′. The brake caliper unit 1' is connected with the gauge changing device 3', and the brake caliper unit 1' is arranged corresponding to the brake disc 5'. When changing the gauge, the distance between the wheels 4' changes, the wheel 4' contacts the corresponding part 3' of the gauge changing device, the wheel 4' pushes the brake caliper unit 1' to move through the gauge changing device 3', and the brake caliper unit 1' moves. The movable clamp unit 1' moves relative to the wheel 4'.

During the interaction between the wheel 4' and the gauge changing device 3', the part in contact with each other produces frictional force, which causes shock and vibration to the contact part, and the contact part is easy to wear out, thus causing the gauge change brake caliper The unit cannot follow the wheel 4 ′ to move, and the wheel 4 ′ is prone to hard collision with the brake caliper unit 1 ′, causing the running safety of the rail vehicle.

SUMMARY OF THE INVENTION

The present application provides an identification locking device. The present invention also provides a variable gauge brake caliper unit and a rail vehicle.

This application adopts the following technical solutions:

An identification locking device, comprising:

A mounting piece, the mounting piece is provided with:

a moving part, the identification part is connected with the gauge changing device, and the identification part is connected to each other through the moving part and the mounting part;

a locking groove, the locking groove intersecting with the moving part;

A connection assembly, the connection assembly includes:

a first connecting piece, the first connecting piece passes through the locking groove, and the first connecting piece is connected with the mounting piece;

A locking assembly, the locking assembly is located in the locking groove, and the locking assembly is provided with:

a guide groove, the first connecting piece passes through the guide groove, and the first connecting piece and the guide groove are guided and connected to each other;

a first reed having:

first bulge;

The second protrusion, the first protrusion and the second protrusion are arranged opposite to each other, an opening is formed between the first protrusion and the second protrusion, and the opening is along the guide groove. The guide direction is arranged, the opening portion is arranged corresponding to the first connecting piece, and the size of the opening portion is smaller than the size of the first connecting piece;

Wherein, the identification locking device has a first state and a second state; in the first state, the first connecting member is located on one side of the opening in the guide groove, and the locking assembly is connected to the moving part. When intersecting, the locking assembly restricts the movement of the identification piece; in the second state, the first connecting piece passes through the opening, and the first connecting piece is located on the other side of the opening in the guide groove , the locking assembly is far away from the moving part, and the locking assembly does not restrict the movement of the identification member.

In some embodiments, the first protrusion is connected with one side of the second protrusion to form a closed portion, and the first connecting member can enter into the closed portion through the opening portion, and the When the first connecting piece is located at the closing portion, the closing portion is in contact with the first connecting piece.

In some of these embodiments, the locking assembly further includes:

An auxiliary spring, the auxiliary spring is sleeved on the outer side of the closed portion.

In some of the embodiments, one side of the first protrusion and the second protrusion extend in a direction away from each other to form a guide portion, and the guide portion can be in contact with the first connecting member.

In some of these embodiments, the locking assembly further includes:

A first locking piece, the first locking piece is located in the locking groove, and the first locking piece is provided with:

an accommodating part, the first reed is located in the accommodating part, and the first reed is connected with the first locking member;

an inner guide groove, the first connecting piece passes through the inner guide groove, and the inner guide groove and the first connecting piece are guided and connected to each other;

A second locking member, the second locking member is located in the locking groove, the second locking member is opposite to the first locking member, the second locking member and the accommodating part form a accommodating cavity, the first A reed is located in the accommodating cavity, and the second locking member is provided with:

an outer guide slot, the outer guide slot and the inner guide slot are arranged opposite to each other, the first connecting piece passes through the outer guide slot, the outer guide slot and the first connecting piece are mutually guided and connected, and the The inner guide groove cooperates with the outer guide groove to form the guide groove.

In some of these embodiments, the connection assembly further includes:

A second connector, the second connector is provided with:

a first snap-fit part, one end of the first connecting piece located outside the locking groove is provided with a first snap-fit part, and the first snap-fit part and the first snap-fit part are mutually snapped and connected , the second connecting piece is connected with the mounting piece.

In some of these embodiments, the connection assembly further includes:

a third connecting piece, the third connecting piece passes through the locking groove, the third connecting piece is connected with the mounting piece, and the locking assembly is relatively movably connected with the third connecting piece.

In some of these embodiments, the locking assembly and the third connecting member are rotatably connected to each other.

In some of these embodiments, the locking assembly and the third connecting member are movably connected to each other.

In some of the embodiments, there are two guide grooves, namely, a first guide groove and a second guide groove, and the first connecting piece passes through the first guide groove and is guided and connected to each other; the A third connecting piece passes through the second guide groove, and the third connecting piece and the second guide groove are guided and connected to each other;

The locking assembly is further provided with a second reed, the second reed has the same structure as the first reed, and the opening of the second reed is arranged along the guide direction of the second guide groove, so The opening of the second leaf is arranged corresponding to the third connecting piece, and the size of the opening of the second leaf is smaller than that of the third connecting piece.

In some of these embodiments, the connection assembly further includes:

A second connector, the second connector is provided with:

The second snap-fit portion, the end of the third connecting piece located outside the locking groove is provided with a second snap-fit portion, and the second snap-fit portion and the second snap-fit portion are snap-connected to each other , the third connecting piece is connected with the mounting piece.

The present application also provides a gauge-variable brake caliper unit, comprising the identification locking device described in any one of the above.

The present application also provides a rail vehicle, comprising the above-mentioned variable gauge brake caliper unit.

Compared with the prior art, the beneficial effects of the present application are:

1. The identification locking device provided by the present application includes a mounting member, a connecting assembly and a locking assembly. The mount is provided with a moving part and a locking groove. The identification piece is connected with the gauge changing device through the identification locking device, and then connected with the brake caliper unit, and the identification piece is connected with the mounting piece through the moving part. The identification locking device provided by the present application has a first state and a second state, that is, a locked state and an unlocked state. In the first state, the locking assembly restricts the movement of the identification member along the moving portion, so that the identification member cannot move and is in a locked state. In the second state, the locking assembly does not intersect with the moving part, and the locking assembly does not restrict the movement of the identification member, so that the identification member is in an unlocked state. The identification locking device provided by the present application can lock the identification piece in the locked state to prevent the identification piece from falling off, thereby ensuring that the brake caliper unit can move with the wheel and avoid hard collision between the wheel and the brake caliper unit. The running safety of the rail vehicle is ensured; when the identification locking device is in an unlocked state, the identification piece can be removed from the gauge changing device, so as to facilitate the disassembly and replacement of the identification piece.

2. In the identification locking device provided by this application, one side of the first protrusion and the second protrusion of the first reed are connected to each other to form a closed portion, during the process of changing from the first state to the second state, or by During the process of changing from the second state to the first state, the first connecting member can enter into the closing portion through the opening portion, and when the first connecting member is located in the closing portion, the closing portion is in contact with the first connecting member. In the locked or unlocked state, the closing part can stop the movement of the first connecting piece, so that the first connecting piece cannot move in the closing part, thus ensuring the stability of the locking state or the unlocking state, and further improving the bearing capacity of the identification piece. The ability of impact force and friction force, etc., further prevents the identification sheet from falling off.

Description of drawings

1 is a schematic structural diagram of a variable gauge brake caliper unit in the prior art;

2a is a schematic structural diagram of the identification locking device provided by the first embodiment;

2b is a schematic structural diagram of the identification locking device provided by the first embodiment from another perspective

Fig. 3 is the structural representation of the mounting member in Fig. 2a;

Fig. 4 is the structural schematic diagram of the locking assembly in Fig. 2a;

FIG. 5 is a schematic structural diagram of the cooperation of the first locking member and the first reed in FIG. 4;

FIG. 6 is a schematic structural diagram of the first locking member in FIG. 5;

FIG. 7 is a schematic structural diagram of the second locking member in FIG. 4;

Fig. 8 is the structural representation of the first reed in Fig. 4;

FIG. 9 is a schematic diagram of the state change of the first reed and the first connector;

Fig. 10 is the schematic diagram of the third connector in Fig. 2a;

Figure 11 is a schematic structural diagram of the first connector in Figure 2a;

12 is a schematic diagram of the first state of the identification locking device provided by the first embodiment;

13 is a schematic diagram of a second state of the identification locking device provided by the first embodiment;

14 is a schematic diagram of the first state of the identification locking device provided by the second embodiment;

15 is a schematic diagram of a second state of the identification locking device provided by the second embodiment;

Please specify the reference numerals:

1. Mounting part; 11. Moving part; 12. Locking slot; 13. First connecting part; 131. First connecting hole; 14. Second connecting part; 141. Third connecting hole; 143. Fixed hole;

2. Connecting component; 21. First connecting piece; 211, First snap-fitting part; 22, Second connecting piece; 221, First snap-fitting part; 222, Second snap-fitting part; 23. The third connector; 24. Bolt;

3. Locking assembly; 31. First locking part; 311, Receiving part; 312, Third connecting part; 313, Inner guide groove; 32, Second locking part; 321, Fourth connecting part; 322, outer guide groove; 33, first reed; 331, first protrusion; 332, second protrusion; 333, opening part; 334, closing part; 335, guide part; 34, auxiliary reed; 35, fixing part;

4. Identification part; 41. Mobile matching part.

detailed description

The technical solutions of the present application will be described in detail below in conjunction with specific embodiments, however, it should be understood that elements, structures and features in one embodiment can also be beneficially combined into other embodiments without further description.

In the description of the present application, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature.

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "outside", "inside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, Rather than indicating or implying that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation on the application.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated connection. Ground connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The described embodiments are only to describe the preferred embodiments of the present application, not to limit the scope of the present application. On the premise of not departing from the design spirit of the present application, various modifications made by those of ordinary skill in the art to the technical solutions of the present application and improvements, shall fall within the scope of protection determined by the claims of this application.

The present application provides an identification locking device, which can connect a component that directly senses the track change of the wheel to the gauge change device, and lock it to prevent the component from falling off, thereby ensuring that the brake caliper unit can move with the wheel , to avoid the hard collision between the wheel and the brake caliper unit, so as to ensure the driving safety of the rail vehicle. The technical solutions of the present application will be specifically described below with reference to specific embodiments.

The first embodiment of the present application provides an identification locking device, including:

Mount 1, Mount 1 is provided with:

The moving part 11, the identification part 4 is connected with the gauge changing device, and the identification part 4 is connected to each other by the moving part 11 and the mounting part 1; the locking groove 12, the locking groove 12 intersects with the moving part 11;

Connecting component 2, connecting component 2 includes:

The first connecting piece 21, the first connecting piece 21 passes through the locking groove 12, and the first connecting piece 21 is connected with the mounting piece 1;

The locking assembly 3, the locking assembly 3 is located in the locking groove 12, and the locking assembly 3 is provided with:

a guide groove, the first connecting piece 21 passes through the guide groove, and the first connecting piece 21 and the guide groove are guided and connected to each other;

The first reed 33, the first reed 33 has:

The first protrusion 331 and the second protrusion 332; the first protrusion 331 and the second protrusion 332 are arranged opposite to each other, an opening 333 is formed between the first protrusion 331 and the second protrusion 332, and the opening 333 is guided along the The guide direction of the groove is set, the opening part 333 is set corresponding to the first connecting piece 21 , and the size of the opening part 333 is smaller than the size of the first connecting piece 21 ;

The first spring 33 and the first connecting member 21 have a first state and a second state; in the first state, the first connecting member 21 is located on the first side of the opening portion 333 in the guide groove, and the locking assembly 3 and the moving portion 11 intersect, the locking assembly 3 restricts the movement of the identification member 4; in the second state, the first connecting member 21 passes through the opening 333, the first connecting member 21 is located on the second side of the opening 333 in the guide groove, and the locking assembly 3 is far away from The moving part 11 and the locking assembly 3 do not restrict the movement of the identification member 4 .

For convenience of description, the side of the opening portion away from the identification member is referred to as the first side, and the side of the opening portion close to the identification member is referred to as the second side. The first connecting piece 21 passes through the locking groove 12 along the extending direction of the moving part 11 . The locking assembly 3 is disposed in the locking groove 12 , and the first connecting member 21 passes through the locking groove 12 and also passes through the guide groove located in the locking groove 12 . The opening direction of the opening portion 333 is consistent with the guiding direction of the guide groove, so that the first connecting member 21 in the guide groove can pass through the opening portion 333 under the action of an external force along the guiding direction of the guide groove.

Specifically, as shown in FIG. 2b, the moving part 11 is a chute with one side open and the other side closed, and the identification element 4 can be inserted into the moving part 11 from the side where the opening of the chute is located.

The identification member 4 is connected with the mounting member 1 through the moving part 11 , and the mounting member 1 is connected with the gauge changing device, so as to realize the connection between the identification member 4 and the gauge changing device. The identification locking device provided by the first embodiment includes a mounting member 1 , a connecting assembly 2 and a locking assembly 3 . The mount 1 is provided with a moving portion 11 and a locking groove 12 . The identification piece 4 is connected with the brake caliper unit, and the identification piece 4 is connected with the mounting piece 1 by moving with each other through the moving part 11 . The locking groove 12 intersects the moving part 11 . The connecting assembly 2 includes a first connecting piece 21 , the first connecting piece 21 passes through the locking groove 12 , and the first connecting piece 21 is connected with the mounting piece 1 . The locking assembly 3 is located in the locking groove 12 , the locking assembly 3 is provided with a guide groove, the first connecting piece 21 passes through the guide groove, and the first connecting piece 21 is guided and connected with the guide groove to each other. The locking assembly 3 also includes a first reed 33 . The first reed 33 has a first protrusion 331 and a second protrusion 332, the first protrusion 331 and the second protrusion 332 are arranged opposite to each other, and an opening 333 is formed between the first protrusion 331 and the second protrusion 332, The opening portion 333 is provided corresponding to the first connecting piece 21 , and the size of the opening portion 333 is smaller than that of the first connecting piece 21 , that is, when the opening portion 333 remains in its original shape, the first connecting piece 21 cannot pass through the opening portion 333 from the opening portion. The first side of 333 is moved to the second side or from the second side to the first side. The identification locking device provided by the first embodiment has a first state and a second state, that is, a locked state and an unlocked state. Under the restriction of the first connecting piece 21 and the first reed 33, the locking assembly 3 can only move along the extending direction of the guide groove, and the size of the opening 333 must be enlarged enough to allow the first connecting piece 21 to pass through, so that the locking assembly 3 can Move, so as to realize the state switching of the identification locking device. In the first state, the first connecting member 21 is located in the guide groove and on the first side of the opening portion 333, the locking member 3 intersects with the moving portion 11 in the locking groove 12, and the identification member 4 is blocked by the locking Therefore, the locking assembly 3 restricts the movement of the identification member 4 along the moving portion 11 so that the identification member 4 cannot move and is in a locked state. In the second state, when the locking assembly 3 is pushed, the opening portion 333 is elastically deformed, so that the first connecting member 21 can pass through the opening portion 333, the locking assembly 3 drives the opening portion 333 to move, and the first connecting member 21 is located in the guide groove and Located on the second side of the opening portion 333, the locking assembly 3 moves in the direction away from the moving portion 11 in the locking groove 12, and the locking assembly 3 does not intersect the moving portion 11, so the locking assembly 3 does not restrict the movement of the identification member 4, so that the identification Piece 4 is unlocked. The identification locking device provided in the first embodiment can lock the identification member 4 to prevent the identification member 4 from falling off, thereby ensuring that the brake caliper unit can move with the wheel and avoid hard collision between the wheel and the brake caliper unit , so as to ensure the safety of rail vehicles. The identification member 4, as a part in direct contact with the wheel, is stably installed on the gauge changing device when the identification locking device is in a locked state, and can be detached from the gauge changing device when the identification locking device is in an unlocked state.

Specifically, referring to FIG. 2 a , the identification locking device provided by the first embodiment includes a mounting member 1 , a connecting assembly 2 and a locking assembly 3 . The mounting part 1 provides support and connection for the identification locking device. Referring to FIG. 3 , the mounting member 1 is provided with a moving portion 11 , and the moving portion 11 is used for connecting with the identification member 4 . Specifically, the identification member 4 is connected to the gauge changing device through the identification locking device. When the gauge is changed, the distance between the wheel and the identification piece changes. When the wheel contacts the identification member 4, the wheel pushes the identification member 4 to further push the control When the movable caliper unit moves, the brake caliper unit moves relative to the wheel. Referring to FIG. 12 , the identification member 4 is provided with a moving matching portion 41 , the moving matching portion 41 and the moving portion 11 are connected to each other, and the identifying member 4 can move with the mounting member 1 through the moving matching portion 41 and the moving portion 11 . The mounting member 1 is also provided with a locking groove 12 , and the locking groove 12 is used to install the locking assembly 3 . The locking slot 12 intersects with the moving part 11 , the locking assembly 3 can act in the locking slot 12 , and the locking assembly 3 can move to intersect with the moving part 11 to block the moving part 11 , thereby locking the identification member 4 .

Referring to FIG. 2 a , the mounting member 1 is further provided with a first connecting portion 13 and a second connecting portion 14 , and the first connecting portion 13 and the second connecting portion 14 are used for connecting with the connecting assembly 2 and the locking assembly 3 . Specifically, the first connecting portion 13 and the second connecting portion 14 are disposed on both sides of the locking groove 12 , and the first connecting portion 13 and the second connecting portion 14 are correspondingly disposed. Actually, the locking groove can also be regarded as being formed by the gap between the first connecting part 13 and the second connecting part 14 . Referring to FIG. 3 , the first connecting portion 13 is provided with a first connecting hole 131 and a second connecting hole, and the first connecting hole 131 and the second connecting hole are used for connecting with the connecting assembly 2 . The second connecting portion 14 is provided with a third connecting hole 141 , a fourth connecting hole 142 and a fixing hole 143 , and the third connecting hole 141 , the fourth connecting hole 142 and the fixing hole 143 are used for connecting with the connecting assembly 2 .

The connecting assembly 2 is used to connect the mounting part 1 and the locking assembly 3 . Referring to FIG. 2 a , specifically, the connecting assembly 2 includes a first connecting piece 21 . The first connecting piece 21 passes through the locking groove 12 , and the first connecting piece 21 is connected with the mounting piece 1 . More specifically, the locking assembly 3 is located in the locking groove 12 , and the first connecting piece 21 is connected to the first connecting hole 131 after passing through the third connecting hole 141 , the locking assembly 3 and the locking groove 12 . Preferably, the first connecting member 21 is a pin structure.

Further, in order to facilitate the installation and disassembly of the first connecting member 21 and to avoid the automatic unlocking of the first connecting member 21 with the vibration of the rail vehicle, the connecting assembly 2 further includes a second connecting member 22 . Referring to FIG. 10 , the second connecting member 22 is a connecting plate structure, and the second connecting member 22 is provided with a first snap-fit portion 221 . The first snap-fit portion 221 is preferably a semi-circular through hole or a U-shaped notch . Referring to FIG. 11 , the first connecting member 21 is provided with a first engaging portion 211 , the first engaging portion 211 is preferably an annular groove structure, and the annular groove is arranged at one end of the first connecting member 21 , and the annular groove can The first connecting member 21 and the second connecting member 22 are connected to each other through the first engaging portion 211 and the first engaging portion 221 by being snapped into the semi-circular through hole or the U-shaped notch. Specifically, a first annular protrusion and a second annular protrusion are provided on the outer circumference of the first engaging portion 211, and an annular groove structure is formed between the first annular protrusion and the second annular protrusion. The annular groove structure can just fit the first snap fitting portion 221 into it, and prevent the first connecting piece 21 from being separated from the second connecting piece 22 along the extending direction thereof. The first connecting piece 21 is connected with the mounting piece 1 through the second connecting piece 22, which is better than the first connecting piece 21 and the mounting piece 1 being directly connected by screws; The frictional force when passing through the opening will be increased, and the wear of the first reed 33 will be serious.

Referring to FIG. 10 , the second connecting member 22 is further provided with a fixing portion 223 , and the fixing portion 223 is used to connect the second connecting member 22 with the second connecting portion 14 of the mounting member 1 , thereby realizing the connection of the first connecting member 21 to the second connecting member 21 . fixed. Specifically, the fixing portion 223 is a through hole, the fixing hole 143 on the second connecting portion 14 is a threaded hole, and the connecting assembly 2 further includes a bolt 24 , and the bolt 24 passes through the fixing portion 223 to fasten the second connecting member 22 to the fixing member 22 . into the hole 143 , thereby realizing the fixation of the first connecting member 21 . When the rail vehicle vibrates, the first snap-fit portion and the first snap-fit portion 221 remain in a mutually snap-connected state, which will not cause the automatic unlocking of the first connector 21 . When the first connector 21 is disassembled, the bolts 24 are removed, the first snap portion 211 and the first snap fit portion 221 are separated, and the second connector 22 is removed, thereby releasing the fixation of the first connector 21 .

As shown in FIG. 2 a , in order to further strengthen the connection performance between the locking assembly 3 and the mounting member 1 , the connecting assembly 2 further includes a third connecting member 23 . The third connecting piece 23 passes through the locking groove 12 , the third connecting piece 23 is connected with the mounting piece 1 , and the locking assembly 3 is relatively movably connected with the third connecting piece 23 . Preferably, the third connecting piece 23 and the locking assembly 2 are rotatably connected to each other. Specifically, the third connecting member 23 is a pin shaft structure, and the third connecting member 23 passes through the fourth connecting hole 142 on the second connecting portion 14 and the locking component 3 in the locking groove 12 and the first connecting portion 13 . The two connecting holes are connected. The locking assembly 3 and the third connecting member 23 are rotatably connected to each other, so that the locking assembly 3 can rotate around the third connecting member 23 in the locking groove 12 after overcoming the blocking of the opening portion 333 by the first connecting member 21 .

Further, as shown in FIG. 2 a , in order to facilitate the installation and disassembly of the third connecting member 23 and to avoid the automatic unlocking of the third connecting member 23 with the vibration of the rail vehicle, the connecting assembly 3 further includes a second connecting member 22 . Referring to FIG. 10 , the second connecting piece 22 is a connecting plate structure, and a second snap fitting portion 222 is provided on the second connecting piece 22 . The second snap fitting portion 222 is preferably a semicircular through hole or a U-shaped notch . The third connecting piece 23 is provided with a second engaging portion, and the second engaging portion is preferably an annular groove structure. The third connector 23 and the second connector 22 are connected to each other through the second snap portion and the second snap fit portion 222 in the hole or U-shaped notch. The bolts 24 pass through the fixing portion 223 to fasten the third connecting piece 23 in the fixing hole 143 , so as to realize the fixing of the third connecting piece 23 . Actually, the third connecting member 23 may be provided in the same structure as the first connecting member 21 . When the rail vehicle vibrates, the second snap-fit portion and the second snap-fit portion 222 are kept in a mutually snap-connected state, which will not cause the automatic unlocking of the third connecting member 23 . When disassembling the third connecting piece 23 , remove the bolt 24 , separate the second snap portion and the second snap fitting portion 222 , and remove the second connecting piece 22 , thereby releasing the fixing of the third connecting piece 23 .

The locking assembly 3 is used for locking and unlocking the identification member 4 . The locking assembly 3 is located in the locking groove 12, the locking assembly 3 is provided with a guiding groove, and the first connecting piece 21 is guided and connected to the guiding groove. The locking assembly 3 moves relative to the first connecting member 21 through the guide groove to realize the locking and unlocking of the identification member 4 . The locking assembly 3 further includes a first reed 33 , and the first reed 33 has a first protrusion 331 and a second protrusion 332 . The first protrusion 331 and the second protrusion 332 are arranged opposite to each other, an opening 333 is formed between the first protrusion 331 and the second protrusion 332, the opening 333 is arranged along the guiding direction of the guide groove, and the opening 333 is connected with the first protrusion 333. The pieces 21 are correspondingly arranged, and the size of the opening portion 333 is smaller than that of the first connecting piece 21 . The identification locking device provided by the first embodiment has a first state and a second state; in the first state, the first connecting member 21 is located on the first side of the opening portion 333 in the guide groove, and the locking assembly 3 intersects the moving portion 11 , the locking assembly 3 restricts the movement of the identification member 4; in the second state, the first connecting member 21 passes through the opening portion 333, the first connecting member 21 is located on the second side of the opening portion 333 in the guide groove, and the locking assembly 3 is away from the moving portion 11. The locking assembly 3 does not restrict the movement of the identification member 4 . When the identification locking device provided by the first embodiment has the first state, that is, the locking state, the guide groove of the locking assembly 3 moves relative to the first connecting member 21, and the first connecting member 21 moves to the opening in the direction of the guide groove. At the position of 333, since the size of the opening 333 is smaller than the size of the first connecting piece 21, the first connecting piece 21 blocks the opening 333 from further blocking the action of the locking component 3. At this time, the locking component 3 intersects with the moving portion 11 and locks the opening 333. The assembly 3 restricts the movement of the identifier 4 . When the gauge is changed, the wheel is in contact with the identification member 4 , the wheel will generate a certain lateral impact force and frictional force on the identification member 4 , the first connecting member 21 blocks the opening portion 333 , and further makes the locking assembly 3 located in the moving portion 11 . Therefore, the action of the identification piece 4 is blocked in the middle, because the blocking force on the identification piece 4 is perpendicular to the direction of the impact force generated by the wheel to the identification piece 4, and the frictional force generated by the wheel to the identification piece 4 cannot overcome the locking component to the identification piece 4. Therefore, the lateral impact force and friction force cannot make the identification piece 4 get rid of the blocking of the locking assembly, thereby preventing the identification piece 4 from falling off, ensuring that the brake caliper unit can move with the wheel, and avoiding rigidity between the wheel and the brake caliper unit. collision, so as to ensure the safety of rail vehicles. When the identification locking device provided by the first embodiment has the second state, that is, the unlocked state, a sufficient external force is applied to the locking assembly 3, and the interaction force between the first connecting member 21 and the opening portion 333 increases. , the opening portion 333 is elastically deformed, the first connecting member 21 passes through the opening portion 333 and is located on the second side of the opening portion 333 , and the locking assembly 3 moves away from the moving portion 11 . At this time, the locking assembly 3 does not intersect with the moving part 11 , and the locking assembly 3 does not restrict the movement of the identification member 4 . The identification part 4 can be disassembled and replaced, and it is not necessary to disassemble and assemble the entire brake caliper unit from the rail vehicle, which improves the convenience of maintenance.

Specifically, referring to FIG. 4 , the locking assembly 3 includes a first locking member 31 , a second locking member 32 , a first leaf 33 , an auxiliary leaf 34 and a fixing member 35 . In order to protect the first reed 33 and the auxiliary reed 34 and prolong the service life of the identification locking device provided in the first embodiment, the locking assembly 3 is provided separately. Specifically, referring to FIGS. 6 and 7 , the locking assembly 3 includes a first locking member 31 and a second locking member 32 . 5, the first locking member 31 is located in the locking groove 12, the first locking member 31 is provided with a receiving portion 311, the first reed 33 is located in the receiving portion 311, the first spring 33 and the first locking member 31 In particular, the first spring 33 is connected with the first locking member 31 through the fixing member 35 . The first locking member 31 is further provided with an inner guide groove 313 , the first connecting member 21 passes through the inner guide groove 313 , and the inner guide groove 313 and the first connecting member 21 are guided and connected to each other. The first locking member 31 is further provided with a third connecting portion 312 , and the first locking member 31 is movably connected to the third connecting member 23 through the third connecting portion 312 . Specifically, the third connecting portion 312 is a through hole, and the third connecting member 23 passes through the fourth connecting hole 142 , the third connecting portion 312 and the second connecting hole to rotatably connect the first locking member 31 to the first connecting member. between the part 13 and the second connecting part 14 . The second locking member 32 is located in the locking groove 12, the second locking member 32 is arranged corresponding to the shape of the first locking member 31, the second locking member 32 is opposite to the first locking member 31, and can be press-fitted by the interference of the pin shaft, Or connected by bolts, or welding, riveting, etc. The second locking member 32 and the accommodating portion 311 form an accommodating cavity, and the first reed 33 is located in the accommodating cavity to protect the first reed 33 . The second locking member 32 is provided with an outer guide groove 322 , the shape of the outer guide groove 322 is the same as that of the inner guide groove 313 , the outer guide groove 322 is arranged corresponding to the inner guide groove 313 , and the first connecting member 21 passes through the outer guide groove 322 , The outer guide groove 322 and the first connecting member 21 are guided and connected to each other, and the inner guide groove 313 cooperates with the outer guide groove 322 to form a guide groove of the locking assembly 3 . The second locking member 32 is further provided with a fourth connecting portion 321 , the fourth connecting portion 321 is disposed opposite to the third connecting portion 312 , and the second locking member 32 is connected to the third connecting portion 312 and the fourth connecting portion 321 through the third connecting portion 321 . The pieces 23 are movably connected to each other. Preferably, in the identification locking device provided in the first embodiment, the third connecting part 312 and the fourth connecting part 321 are rotatably connected to the third connecting member 23, that is, both the first locking member 31 and the second locking member 32 can be connected. It rotates around the third connecting piece 23, thereby realizing the state switching of the identification locking device.

The first reed 33 provides a locking force for the identification locking device provided in this embodiment. Specifically, the first reed 33 is made of an elastic material, especially a metal material with elastic deformability. The first reed 33 has a first protrusion 331 and a second protrusion 332 arranged oppositely, an opening 333 is formed between the first protrusion 331 and the second protrusion 332, and the opening 333 is arranged along the guiding direction of the guide groove, The opening portion 333 is provided corresponding to the first connecting member 21 , and the size of the opening portion 333 is smaller than that of the first connecting member 21 . When the identification locking device provided by the first embodiment is in the first state, that is, the locking state, the first connecting member 21 is on the first side of the opening portion 333 , because the size of the opening portion 333 is smaller than that of the first connecting member 21 . , the opening portion 333 restricts the movement of the first connector 21 . At this time, the first locking member 31 and the second locking member 32 are located in the locking groove 12 and intersect with the moving part 11 , thereby restricting the movement of the identification member 4 and locking the identification member 4 . When the identification locking device provided by the first embodiment is in the second state, that is, the unlocked state, and an external force is applied to the first locking member 31 and the second locking member 32, the force of the first connecting member 21 acting on the opening portion 333 increases. If it is large, the opening portion 333 is deformed, and the first connecting member 21 is located on the second side of the opening portion 333 after passing through the opening portion 333 . At this time, the first locking member 31 and the second locking member 32 are located in the locking groove 12 and away from the moving part 11 , thereby releasing the restriction on the movement of the identification member 4 and unlocking the identification member 4 . In order to further improve the locking performance of the identification member 4, in the identification locking device provided by the first embodiment, the first spring plate 33 is provided as a semi-closed structure. Specifically, referring to FIG. 8 and FIG. 9 , one side of the first protrusion 331 and the second protrusion 332 of the first reed 33 are connected to form a closed portion 334 , that is, the first reed 33 is at the opening portion A closing portion 334 is formed on the first side or the second side of the 333 , the first connecting member 21 enters the closing portion 334 after passing through the opening portion 333 , and the closing portion 334 is in contact with the first connecting member 21 . As shown in FIG. 9 , in this embodiment, the shape of the closing portion 334 is approximately a triangle, and when the first connecting member 21 is located in the closing portion 334 , the first connecting member 21 is in contact with the three sides of the triangle. The closing portion 334 wraps the first connecting piece 21, so that the first connecting piece 21 cannot move after entering the closing portion 334, thereby ensuring the stability of the locked state or unlocking state, and further improving the impact resistance of the identification piece 4. The ability of force and friction force can further prevent the identification sheet 4 from falling off. In order to further facilitate the entry of the first connector 21 into the closing part 334, the other sides of the first protrusion 331 and the second protrusion 332 away from the closing part 334 extend in a direction away from the closing part 334 to form a guide part 335, and the guide part 335 can be connected with the first protrusion 331. A connector 21 is in contact. During the state switching process, since the guide portion 335 is connected with the first protrusion 331 and the second protrusion 332, the first connecting member 21 can move along the guide portion 335 and enter the opening portion 333, preventing the first connecting member 21 from moving. 21 is stuck at the opening portion 333 , which improves the convenience for the first connector 21 to enter the closing portion 334 , and also improves the reliability of the identification locking device provided by the first embodiment. Preferably, when the identification locking device provided in this embodiment is in the locked state, the first connector 2 is located in the closing portion 334 and is in contact with the closing portion 334, which can further enhance the reliability of the locking state, that is, the closing portion 334 The guide portion 335 is located on the first side of the opening portion 333, and the guide portion 335 is located on the second side of the opening portion.

In order to improve the reliability of the first reed 33 and prevent the permanent deformation of the first reed 33 due to fatigue, as shown in FIG. 5 , the locking assembly 3 further includes an auxiliary reed 34 . The auxiliary reed 34 is sleeved on the outer side of the closing portion 334 of the first reed 33 to assist in ensuring the elasticity and strength of the first reed 33 .

In order to facilitate the understanding of the technical solution of the first embodiment, the action process of the identification locking device provided by the first embodiment will be further described.

Referring to FIG. 12 , when the identification member 4 is locked, manually push the first locking member 31 and the second locking member 32 , then the first locking member 31 and the second locking member 32 go around the third connecting member 23 in the locking groove 12 . The direction of the moving part 11 is rotated. The state switching process of the identification locking device is described below by taking the first spring 33 with the closing portion 334 on the first side of the opening portion 333 and the guide portion 335 on the second side of the opening portion 333 as an example. The first connecting member 21 enters the closing portion 334 through the opening portion 333 , the first connecting member 21 is located on the first side of the opening portion 333 , and the opening portion 333 blocks the first connecting member 21 . At this time, the first locking member 31 and the second locking member 32 are partially located in the moving part 11 to block the movement of the identification member 4 and lock the identification member 4 .

Referring to FIG. 13 , when unlocking the identification member 4 , manually pull the first locking member 31 and the second locking member 32 , and the first locking member 31 and the second locking member 32 go around the third connecting member 23 in the locking groove 12 . Rotate away from the moving part 11 . The first connecting member 21 leaves the closing portion 334 through the opening portion 333 , the first connecting member 21 is located on the second side of the opening portion 333 , and the opening portion 333 acts as a reverse blocking function for the first connecting member 21 . At this time, the first locking piece 31 and the second locking piece 32 are far away from the moving part 11 , the first locking piece 31 and the second locking piece 32 do not interfere with the moving part 11 , the locking of the identifying piece 4 is released, and the identifying piece 4 can be It moves along the moving part 11 to perform operations such as replacement of the identification member 4 .

As an alternative to the first embodiment, the present application also provides an identification locking device, which is different from the first embodiment in that the locking assembly 3 and the third connecting member 23 are movably connected to each other. Specifically, the locking assembly 3 is provided with two guide grooves parallel to each other, namely a first guide groove and a second guide groove, the first connecting member 21 passes through the first guide groove, and the first connecting member and the first guide groove are mutually At the same time, the third connecting piece 23 passes through the second guide groove, and the third connecting piece 23 and the second guide groove are guided and connected to each other. During the locking or unlocking process, the locking assembly 3 moves in translation under the action of the first connecting piece 21 , the second connecting piece 23 and the two guide grooves. More specifically, the third connecting portion 312 of the first locking member 31 is provided with the same structure as the inner guide groove 313 . The fourth connecting portion 321 of the second locking member 32 is provided with the same structure as the outer guide groove 322 . Preferably, the inner guide groove 313 and the outer guide groove 322 are both straight grooves. The third connecting piece 23 passes through the third connecting part 312 and the fourth connecting part 321 . During the locking or unlocking process, the third connecting piece 23 can move in the inner guide groove 313 and the outer guide groove 322 . Preferably, in order to strengthen the locking strength of the identification locking device provided in this embodiment, the locking assembly 3 is further provided with a second reed, the structure of the second reed is the same as that of the first reed 33, and the drawings are not repeated. The second reed is additionally assigned a reference number. The second reed is arranged in the guiding direction of the second guide groove, and the second reed is arranged in the guiding direction of the second guide groove, wherein the opening 333 of the second reed is arranged corresponding to the third connecting member 21, and the second reed is arranged in the guide direction of the second guide groove. The size of the opening portion 333 of the leaf spring is smaller than the size of the third connecting member 23 .

The remainder of the above-mentioned alternative embodiment is the same as the first embodiment.

A second embodiment of the present application further provides a gauge changing device, comprising the above identification locking device and an identification member, the identification member being detachably and lockably connected to the gauge changing device through the identification locking device .

A third embodiment of the present application further provides a variable gauge brake caliper unit, comprising the above identification locking device for detachably and lockably connecting an identification member to the variable gauge on the brake caliper unit.

A fourth embodiment of the present application further provides a rail vehicle, including the above-mentioned variable gauge brake caliper unit.

In order to facilitate the understanding of the technical solutions of the alternative embodiments, the action process of the identification locking device provided by the alternative embodiments will be further described.

Referring to FIG. 14 , when the identification member 4 is locked, manually push the first locking member 31 and the second locking member 32 , the first locking member 31 and the second locking member 32 are connected to the first connecting member 21 and the third connecting member. 23 and two guide grooves, move in the direction of the moving part 11 in the locking groove 12. Both the first connecting piece 21 and the third connecting piece 23 enter the closed part 334 through the opening part 333 (the closing part 334 is located on the first side of the opening part 333 , and the guide part 335 is located on the second side of the opening part 333 ) or the guide part 335 ( The closing part 334 is located on the second side of the opening part 333, the guide part 335 is located in the first side of the opening part 333), the first connecting piece 21 and the third connecting piece 23 are both located on the first side of the opening part 333, the opening part 333 is opposite to The first connecting piece 21 and the third connecting piece 23 play a blocking role. At this time, the first locking member 31 and the second locking member 32 are partially located in the moving part 11 to block the movement of the identification member 4 and lock the identification member 4 .

Referring to FIG. 15 , when unlocking the identification member 4 , manually pull the first locking member 31 and the second locking member 32 , then the first locking member 31 and the second locking member 32 are connected to the first connecting member 21 and the third connecting member. 23 and two guide grooves, it rotates in the direction away from the moving part 11 in the locking groove 12 . The first connecting piece 21 and the third connecting piece 23 leave the closing part 334 via the opening part 333 (the closing part 334 is located on the first side of the opening part 333 , and the guide part 335 is located on the second side of the opening part 333 ) or the guide part 335 (closed part 335 is located on the second side of the opening part 333 ) The part 334 is located on the second side of the opening part 333, the guide part 335 is located on the first side of the opening part 333), the first connecting piece 21 and the third connecting piece 23 are both located on the second side of the opening part 333, and the opening part 333 is opposite to the second side of the opening part 333. A connecting piece 21 and a third connecting piece 23 play a reverse blocking function. At this time, the first locking piece 31 and the second locking piece 32 are far away from the moving part 11 , the first locking piece 31 and the second locking piece 32 do not interfere with the moving part 11 , the locking of the identifying piece 4 is released, and the identifying piece 4 can be It moves along the moving part 11 to perform operations such as replacement of the identification member 4 .

Claims

An identification locking device, characterized in that it includes:

A mounting piece, the mounting piece is provided with:

a moving part, the identification part is connected with the gauge changing device, and the identification part is connected to each other through the moving part and the mounting part;

a locking groove, the locking groove intersecting with the moving part;

A connection assembly, the connection assembly includes:

a first connecting piece, the first connecting piece passes through the locking groove, and the first connecting piece is connected with the mounting piece;

A locking assembly, the locking assembly is located in the locking groove, and the locking assembly is provided with:

a guide groove, the first connecting piece passes through the guide groove, and the first connecting piece and the guide groove are guided and connected to each other;

a first reed having:

A first protrusion and a second protrusion, the first protrusion and the second protrusion are arranged oppositely, an opening is formed between the first protrusion and the second protrusion, and the opening is It is arranged along the guiding direction of the guide groove, the opening portion is arranged corresponding to the first connecting piece, and the size of the opening portion is smaller than that of the first connecting piece;

Wherein, the identification locking device has a first state and a second state; in the first state, the first connecting member is located on the first side of the opening in the guide groove, and the locking assembly is connected to the moving In the second state, the first connecting piece passes through the opening, and the first connecting piece is located at the second position of the opening in the guide groove. On the other hand, the locking assembly is away from the moving part, and the locking assembly does not restrict the movement of the identification member.
The identification locking device according to claim 1, wherein one side of the first protrusion and the second protrusion are connected to form a closed portion, and the first connecting member can enter through the opening portion into the closing part, when the first connecting piece is located in the closing part, the closing part is in contact with the first connecting piece.
The identification locking device according to claim 2, wherein the locking assembly further comprises:

An auxiliary spring, the auxiliary spring is sleeved on the outer side of the closed portion.
The identification locking device according to claim 1, wherein one side of the first protrusion and the second protrusion extend in a direction away from one side to form a guide portion, and the guide portion can be connected with the first protrusion. A connector is in contact.
The identification locking device according to claim 1, wherein the locking assembly further comprises:

A first locking piece, the first locking piece is located in the locking groove, and the first locking piece is provided with:

an accommodating part, the first reed is located in the accommodating part, and the first reed is connected with the first locking member;

an inner guide groove, the first connecting piece passes through the inner guide groove, and the inner guide groove and the first connecting piece are guided and connected to each other;

a second locking member, the second locking member is located in the locking groove, the second locking member is opposite to the first locking member, the second locking member and the accommodating part form a accommodating cavity, the first locking member A reed is located in the accommodating cavity, and the second locking member is provided with:

an outer guide groove, the outer guide groove and the inner guide groove are arranged opposite to each other, the first connecting piece passes through the outer guide groove, the outer guide groove and the first connecting piece are mutually guided and connected, the The inner guide groove cooperates with the outer guide groove to form the guide groove.
The identification locking device according to claim 1, wherein the connecting assembly further comprises:

A second connector, the second connector is provided with:

a first snap-fit portion, one end of the first connector located outside the locking slot is provided with a first snap-fit portion, and the first snap-fit portion and the first snap-fit portion are snap-connected to each other , the second connecting piece is connected with the mounting piece.
The identification locking device according to claim 6, wherein the connecting assembly further comprises:

a third connecting piece, the third connecting piece passes through the locking groove, the third connecting piece is connected with the mounting piece, and the locking assembly is relatively movably connected with the third connecting piece.
The identification locking device according to claim 7, wherein the locking assembly and the third connecting member are rotatably connected to each other.
The identification locking device according to claim 7, wherein the locking assembly and the third connecting member are movably connected to each other.
The identification locking device according to claim 9, wherein there are two guide grooves, namely, a first guide groove and a second guide groove, and the first connecting piece passes through the first guide groove, The third connecting piece passes through the second guide groove, and the third connecting piece and the second guide groove are guided and connected to each other;

The locking assembly is also provided with a second reed, the second reed has the same structure as the first reed, and the opening of the second reed is arranged along the guide direction of the second guide groove, so The opening of the second leaf is arranged corresponding to the third connecting piece, and the size of the opening of the second leaf is smaller than that of the third connecting piece.
The identification locking device according to claim 7, wherein the second connector is provided with:

The second snap-fit portion, the end of the third connecting piece located outside the locking groove is provided with a second snap-fit portion, and the second snap-fit portion and the second snap-fit portion are snap-connected to each other , the third connecting piece is connected with the mounting piece.
A variable gauge brake caliper unit, characterized in that it comprises the identification locking device according to any one of claims 1 to 11 .
A rail vehicle is characterized by comprising the variable gauge brake caliper unit of claim 12 .