CN111942422B - Identification locking device, variable-track-pitch brake clamp unit and railway vehicle - Google Patents
Identification locking device, variable-track-pitch brake clamp unit and railway vehicle Download PDFInfo
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- CN111942422B CN111942422B CN202010836746.1A CN202010836746A CN111942422B CN 111942422 B CN111942422 B CN 111942422B CN 202010836746 A CN202010836746 A CN 202010836746A CN 111942422 B CN111942422 B CN 111942422B
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/16—Removable self-contained brake units
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention provides an identification locking device, wherein a first reed and a first connecting piece have a first state and a second state; in a first state, the first connecting piece is positioned on one side of the opening part in the guide groove, the locking component is intersected with the moving part, and the locking component limits the action of the identification piece; and in a second state, the first connecting piece penetrates through the opening part, the first connecting piece is positioned on the other side of the opening part in the guide groove, the locking assembly is far away from the moving part, and the locking assembly does not limit the action of the identification piece. The identification locking device provided by the invention can lock the identification piece and prevent the identification piece from falling off, so that the brake clamp unit can move along with the wheel, the hard collision between the wheel and the brake clamp unit is avoided, and the driving safety of the railway vehicle is ensured. The invention further provides a track distance-variable brake clamp unit and a railway vehicle.
Description
Technical Field
The invention belongs to the field of rail vehicle variable-track-pitch braking systems, and particularly relates to an identification locking device, a braking clamp unit and a rail vehicle.
Background
The brake caliper unit is an end effector of a rail vehicle brake system. For the rail vehicle with variable track gauge, a variable track gauge braking clamp unit is required to be equipped, namely, a variable track gauge device is additionally arranged on the basis of the braking clamp unit.
The prior art variable-gauge brake caliper unit is shown in fig. 1, and includes a brake caliper unit 1 ', a recognition member 2 ', and a variable-gauge device 3 '. The braking clamp unit 1 'is connected with a track distance changing device 3', the track distance changing device 3 'is connected with an identification piece 2', the braking clamp unit 1 'is arranged corresponding to a braking disc 5', and the identification piece 2 'is arranged corresponding to a wheel 4'. When the track gauge is changed, the distance between the wheel 4 'and the identification piece 2' is changed, the wheel 4 'is in contact with the identification piece 2', the wheel 4 'pushes the identification piece 2' to further push the brake clamp unit 1 'to move through the track gauge changing device 3', and the brake clamp unit 1 'moves relative to the wheel 4'.
However, in the process of pushing the identification piece 2 ', the wheel 4 ' generates friction force between the two, which causes impact vibration to the identification piece 2 ', so that the identification piece 2 ' is easy to fall off, the variable-track-pitch brake clamp unit cannot move along with the wheel 4 ', and the wheel 4 ' is easy to have hard collision with the brake clamp unit 1 ', thereby causing the driving safety of the rail vehicle.
Disclosure of Invention
Aiming at the technical problem that an identification piece is easy to fall off in the conventional variable-gauge brake clamp unit, the invention provides an identification locking device which can lock the identification piece and prevent the identification piece from falling off, so that the brake clamp unit can move along with a wheel, the wheel and the brake clamp unit are prevented from being in hard collision, and the running safety of a railway vehicle is ensured. The invention further provides a track distance-variable brake clamp unit and a railway vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
an identification locking device comprising:
a mount provided with:
the identification piece is connected with the track distance changing device and is movably connected with the mounting piece through the moving part;
a locking groove intersecting the moving portion;
a connection assembly, the connection assembly comprising:
the first connecting piece penetrates through the locking groove and is connected with the mounting piece;
a locking assembly, the locking assembly located in the locking groove, the locking assembly provided with:
the first connecting piece penetrates through the guide groove, and the first connecting piece and the guide groove are mutually connected in a guiding manner;
a first spring sheet having:
a first protrusion;
the first protrusion and the second protrusion are oppositely arranged, an opening part is formed between the first protrusion and the second protrusion and is arranged along the guiding direction of the guiding groove, the opening part is arranged corresponding to the first connecting piece, and the size of the opening part is smaller than that of the first connecting piece;
wherein the identification locking means has a first state and a second state; in a first state, the first connecting piece is positioned on one side of the opening part in the guide groove, the locking component is intersected with the moving part, and the locking component limits the action of the identification piece; and in a second state, the first connecting piece penetrates through the opening part, the first connecting piece is positioned on the other side of the opening part in the guide groove, the locking assembly is far away from the moving part, and the locking assembly does not limit the action of the identification piece.
Furthermore, the first bulge is connected with one side of the second bulge to form a closed part, the first connecting piece can enter the closed part through the opening part, and when the first connecting piece is positioned in the closed part, the closed part is in contact with the first connecting piece.
Further, the locking assembly further comprises:
and the second reed is sleeved on the outer side of the closed part.
Furthermore, one side of the first protrusion and one side of 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 piece.
Further, the locking assembly further comprises:
first locking piece, first locking piece is located locking inslot, be provided with on the first locking piece:
the first spring plate is positioned in the accommodating part and connected with the first locking piece;
the first connecting piece penetrates through the first guide groove, and the first guide groove and the first connecting piece are mutually connected in a guiding manner;
the second locking piece, the second locking piece is located locking inslot, the second locking piece with first locking piece dock mutually, the second locking piece with it forms and holds the chamber to hold the portion, and first reed is located hold the intracavity, the second locking piece is provided with:
the second guide groove is opposite to the first guide groove, the first connecting piece penetrates through the second guide groove, the second guide groove is in guiding connection with the first connecting piece, and the first guide groove is matched with the second guide groove to form the guide groove.
Further, the connection assembly further includes:
a second connector, the second connector having thereon:
first joint cooperation portion, lie in on the first connecting piece the one end in the locking groove outside is provided with first joint portion, first joint portion with the mutual block of first joint cooperation portion is connected, the second connecting piece with the installed part is connected.
Further, the connection assembly further includes:
the third connecting piece penetrates through the locking groove, the third connecting piece is connected with the mounting piece, and the locking assembly is connected with the third connecting piece in a relatively movable mode.
Further, the locking assembly is rotatably connected to the third connecting member.
Further, the locking assembly is movably connected with the third connecting piece.
Furthermore, the number of the guide grooves is two, the third connecting piece penetrates through one guide groove, and the third connecting piece is connected with one guide groove in a guiding manner;
the opening part of one first reed is arranged along the guiding direction of the guiding groove, the opening part is arranged corresponding to the third connecting piece, and the size of the opening part is smaller than that of the third connecting piece.
Further, be provided with on the second connecting piece:
second joint cooperation portion, be located on the third connecting piece the one end in the locking groove outside is provided with second joint portion, second joint portion with the mutual block of second joint cooperation portion is connected, the third connecting piece with the installed part is connected.
The invention also provides a variable-track-pitch brake caliper unit which comprises the identification locking device.
The invention also provides a railway vehicle which comprises the track-variable braking clamp unit.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides an identification locking device which comprises a mounting part, a connecting component and a locking component. The mounting member is provided with a moving portion and a locking groove. The identification piece is connected with the braking clamp unit through the track gauge changing device, and the identification piece is movably connected with the mounting piece through the moving part. The locking groove intersects with the moving portion. The connecting assembly comprises a first connecting piece, the first connecting piece penetrates through the moving groove, and the first connecting piece is connected with the mounting piece. The locking assembly is located in the locking groove, the locking assembly is provided with a guide groove, the first connecting piece penetrates through the guide groove, and the first connecting piece and the guide groove are connected in a mutually guiding mode. The locking assembly further includes a first spring. The first reed is provided with a first protrusion and a second protrusion, the first protrusion and the second protrusion are arranged oppositely, an opening part is formed between the first protrusion and the second protrusion, the opening part is arranged corresponding to the first connecting piece, and the size of the opening part is smaller than that of the first connecting piece. The identification locking device provided by the invention has a first state and a second state, namely a locking state and an unlocking state. In the first state, the first connecting piece is positioned in the guide groove and on one side of the opening part, and the locking assembly is intersected with the moving part in the locking groove, so that the locking assembly limits the identification piece to move along the moving part, and the identification piece cannot move and is in the locking state. When the second state, promote the locking subassembly, elastic deformation takes place for the opening for first connecting piece can pass the opening, and first connecting piece then is located the guide way and is located the opposite side of opening, and the locking subassembly moves in the direction of locking inslot keeping away from removal portion, and the locking subassembly is disjoint with removal portion, and then the removal that the locking subassembly does not restrict the discernment piece, thereby makes the discernment piece be in the unblock state. The identification locking device provided by the invention can lock the identification piece and prevent the identification piece from falling off, so that the brake clamp unit can move along with the wheel, the hard collision between the wheel and the brake clamp unit is avoided, and the driving safety of the railway vehicle is ensured.
2. In the identification locking device provided by the invention, one sides of the first bulge and the second bulge of the first spring are mutually connected to form the closed part, the first connecting piece can enter the closed part through the opening part in the process of changing from the first state to the second state or from the second state to the first state, and the closed part is in contact with the first connecting piece when the first connecting piece is positioned at the closed part. Under locking or unlocking state, the motion of first connecting piece can be backstop to the sealing for first connecting piece can't the drunkenness in the sealing, thereby guarantees locking state or unlocking state's stability, has further improved the ability that discernment piece bore impact force and frictional force etc. further prevents to drop of discernment piece.
Drawings
FIG. 1 is a schematic structural view of a variable gauge brake caliper unit according to the prior art;
FIG. 2 is a schematic structural view of an identification locking device according to a first embodiment;
FIG. 3 is a schematic view of the mounting member of FIG. 2;
FIG. 4 is a schematic structural view of the locking assembly of FIG. 2;
FIG. 5 is a schematic view of the first locking member of FIG. 4 engaged with the first leaf spring;
FIG. 6 is a schematic view of the first locking member of FIG. 5;
FIG. 7 is a schematic structural view of the second locking member of FIG. 4;
FIG. 8 is a schematic view of the first spring leaf of FIG. 4;
FIG. 9 is a schematic view of a state change between the first spring and the first connecting member;
FIG. 10 is a schematic view of the third connector of FIG. 2;
FIG. 11 is a schematic structural view of the first connecting member of FIG. 2;
FIG. 12 is a schematic view of a first state of the identification locking means provided in the first embodiment;
FIG. 13 is a second state diagram of the identification locking device provided in the first embodiment;
FIG. 14 is a schematic view of a first state of the identification locking means provided in the second embodiment;
FIG. 15 is a second state diagram of the identification locking device provided in the second embodiment;
the reference numerals are explained in detail:
1. a mounting member; 11. a moving part; 12. a locking groove; 13. a first connection portion; 131. a first connection hole; 14. a second connecting portion; 141. a third connection hole; 142. a fourth connection hole; 143. a fixing hole;
2. a connecting assembly; 21. a first connecting member; 211. a first clamping part; 22. a second connecting member; 221. a first snap fit portion; 222. a second snap fit portion; 223. a fixed part; 23. a third connecting member; 24. a bolt;
3. a locking assembly; 31. a first locking member; 311. an accommodating portion; 312. a third connecting portion; 313. a first guide groove; 32. a second locking member; 321. a fourth connecting portion; 322. a second guide groove; 33. a first reed; 331. a first protrusion; 332. a second protrusion; 333. an opening part; 334. a closing part; 335. a guide portion; 34. a second reed; 35. a fixing member;
4. an identification member; 41. the engaging portion is moved.
Detailed Description
The technical solutions in the embodiments of the present invention will be fully described in detail below with reference to the accompanying drawings. It is obvious that the described embodiments are only some specific embodiments, not all embodiments, of the general technical solution of the present invention. All other embodiments, which can be derived by a person skilled in the art from the general idea of the invention, fall within the scope of protection of the invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "third" 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, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Aiming at the technical problem that an identification piece is easy to fall off in the conventional variable-gauge brake clamp unit, the invention provides an identification locking device which can lock the identification piece and prevent the identification piece from falling off, so that the brake clamp unit can move along with a wheel, the wheel and the brake clamp unit are prevented from being in hard collision, and the running safety of a railway vehicle is ensured. The technical solution of the present invention will be specifically described with reference to specific examples.
First embodiment
A first embodiment provides an identification locking device comprising:
mount 1, mount 1 is provided with:
the moving part 11 is used for connecting the identification piece 4 with the track pitch changing device, and the identification piece 4 is mutually movably connected with the mounting piece 1 through the moving part 11;
a locking groove 12, the locking groove 12 intersecting the moving portion 11;
connecting assembly 2, connecting assembly 2 includes:
the first connecting piece 21, the first connecting piece 21 passes through the locking groove 12, the first connecting piece 21 is connected with the mounting piece 1;
locking subassembly 3, locking subassembly 3 is located locking groove 12, and locking subassembly 3 is provided with:
the first connecting piece 21 penetrates through the guide groove, and the first connecting piece 21 and the guide groove are connected in a guiding mode;
a first spring 33, the first spring 33 having:
the first projection 331;
the second protrusion 332, the first protrusion 331 and the second protrusion 332 are oppositely arranged, an opening part 333 is formed between the first protrusion 331 and the second protrusion 332, the opening part 333 is arranged along the guiding direction of the guiding groove, the opening part 333 is arranged corresponding to the first connecting piece 21, and the size of the opening part 333 is smaller than that of the first connecting piece 21;
wherein the first spring piece 33 and the first connecting piece 21 have a first state and a second state; in the first state, the first connecting piece 21 is positioned at one side of the opening part 333 in the guide groove, the locking component 3 is intersected with the moving part 11, and the locking component 3 limits the action of the identification piece 4; in the second state, the first link 21 passes through the opening 333, the first link 21 is located on the other side of the opening 333 in the guide groove, the locking member 3 is away from the moving part 11, and the locking member 3 does not restrict the movement of the identification member 4.
The first embodiment provides an identification locking device comprising a mounting member 1, a connecting member 2 and a locking member 3. The mounting 1 is provided with a moving part 11 and a locking groove 12. The identification member 4 is connected to the brake caliper unit, and the identification member 4 is movably connected to the mounting member 1 via a moving portion 11. The locking groove 12 intersects the moving portion 11. The connecting assembly 2 comprises a first connecting piece 21, the first connecting piece 21 penetrates 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 penetrates through the guide groove, and the first connecting piece 21 and the guide groove are connected in a guiding mode. The locking assembly 3 further comprises a first spring 33. The first spring 33 has a first projection 331 and a second projection 332, the first projection 331 and the second projection 332 are disposed opposite to each other, an opening 333 is formed between the first projection 331 and the second projection 332, the opening 333 is disposed corresponding to the first connector 21, and the size of the opening 333 is smaller than that of the first connector 21. The first embodiment provides an identification locking device having a first state and a second state, i.e., a locked state and an unlocked state. In the first state, the first link 21 is located in the guide groove and on one side of the opening 333, and the locking member 3 intersects with the moving part 11 in the locking groove 12, so that the locking member 3 restricts the movement of the identification member 4 along the moving part 11, and the identification member 4 is locked without moving. When the identification piece 4 is in the unlocking state, the locking component 3 is pushed, the opening part 333 is elastically deformed, the first connecting piece 21 can penetrate through the opening part 333, the first connecting piece 21 is located in the guide groove and located on the other side of the opening part 333, the locking component 3 moves in the locking groove 12 towards the direction far away from the moving part 11, the locking component 3 and the moving part 11 do not intersect, and then the locking component 3 does not limit the movement of the identification piece 4, so that the identification piece 4 is in the unlocking state. The identification locking device provided by the first embodiment can lock the identification piece 4 and prevent the identification piece 4 from falling off, so that the brake clamp unit can move along with the wheel, the hard collision between the wheel and the brake clamp unit is avoided, and the driving safety of the railway vehicle is ensured.
Specifically, referring to fig. 2, the first embodiment provides an identification locking device including a mounting member 1, a connecting member 2, and a locking member 3. The mounting 1 provides support and attachment for the identification locking means. 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 a track distance changing device, when the track distance is changed, the distance between the wheel and the identification piece is changed, when the wheel contacts the identification member 4, the wheel pushes the identification member 4 to further push the brake caliper unit to move, and the brake caliper unit moves relatively with the wheel. The identification member 4 is provided with a movement engagement portion 41, the movement engagement portion 41 and the moving portion 11 are connected to each other, and the identification member 4 is movable with the mounting member 1 by the movement engagement portion 41 and the moving portion 11. The mounting member 1 is further provided with a locking groove 12, and the locking groove 12 is used for mounting the locking assembly 3. The locking groove 12 intersects with the moving portion 11, the locking assembly 3 can be operated in the locking groove 12, and the locking assembly 3 can move to intersect with the moving portion 11 to block the moving portion 11, thereby locking the identifier 4.
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 at both sides of the locking groove 12, and the first connecting portion 13 and the second connecting portion 14 are disposed correspondingly. The first connection portion 13 is provided with a first connection hole 131 and a second connection hole, and the first connection hole 131 and the second connection hole are used for being connected with the connection 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 1 and the locking assembly 3. Specifically, the connecting assembly 2 includes a first connecting member 21, a second connecting member 22, and a third connecting member 23. The first coupling member 21 passes through the locking groove 12, and the first coupling member 21 is coupled to the mounting member 1. More specifically, the locking assembly 3 is located in the locking groove 12, and the first coupling piece 21 is coupled to the first coupling hole 131 after passing through the third coupling hole 141, the locking assembly 3 and the locking groove 12. Preferably, the first connecting member 21 has a pin structure.
Further, in order to facilitate the mounting and dismounting of the first connecting member 21 and to avoid the automatic unlocking of the first connecting member 21 due to vibration of the rail vehicle, the connecting assembly 2 further includes a second connecting member 22. The second connector 22 is a connecting plate structure, a first snap-fit portion 221 is arranged on the second connector 22, and the first snap-fit portion 221 is preferably a semicircular through hole. First joint portion 211 is provided with on the first connecting piece 21, and first joint portion 211 is preferably the annular groove structure, and the annular groove sets up in the one end of first connecting piece 21, and the annular groove can joint in semi-circular through-hole, then first connecting piece 21 and second connecting piece 22 are connected through first joint portion 211 and the mutual block of first joint cooperation portion 221. The second connector 22 is further provided with a fixing portion 223, and the fixing portion 223 is used for connecting the second connector 22 with the second connecting portion 14 of the mounting component 1, so as to fix the first connector 21. Specifically, the fixing portion 223 is a through hole, the fixing hole 143 of the second connecting portion 14 is a threaded hole, and the connecting assembly 2 further includes a bolt 24, wherein the bolt 24 passes through the fixing portion 223 to fasten the second connecting member 22 in the fixing hole 143, thereby fixing the first connecting member 21. When the rail vehicle vibrates, the first clamping portion and the first clamping matching portion 221 are in clamping connection with each other, and automatic unlocking of the first connecting piece 21 cannot be caused. When the first connector 21 is detached, the bolt 24 is detached, the first clamping portion 211 and the first clamping matching portion 221 are separated, and the second connector 22 is removed, so that the first connector 21 is released from being fixed.
To further enhance the connection of the locking assembly 3 to the mounting member 1, the connecting assembly 2 further comprises 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 connected with the third connecting piece 23 in a relatively movable mode. Preferably, the third link 23 is rotationally interconnected with the locking assembly 2. Specifically, the third connecting member 23 has a pin structure, and the third connecting member 23 passes through the fourth connecting hole 142 of the second connecting portion 14 and the locking assembly 3 in the locking groove 12 to be connected to the second connecting hole of the first connecting portion 13. The locking assembly 3 is rotatably connected with the third connecting piece 23, and the locking assembly 3 can rotate around the third connecting piece 23 in the locking groove 12.
Further, in order to facilitate the mounting and dismounting of the third connecting member 23 and to avoid the third connecting member 23 from being automatically unlocked due to the vibration of the rail vehicle, the connecting assembly 2 further comprises the second connecting member 22. The second connector 22 is a connecting plate structure, a second snap-fit portion 222 is disposed on the second connector 22, and the second snap-fit portion 222 is preferably a semicircular through hole. Be provided with second joint portion on the third connecting piece 23, the preferred annular groove structure of second joint portion, annular groove sets up in the one end of third connecting piece 23, and annular groove can the joint in semi-circular through-hole, then third connecting piece 23 and second connecting piece 22 are connected through second joint portion and the mutual block of second joint cooperation portion 222. The bolt 24 passes through the fixing portion 223 to fasten the third connecting member 23 in the fixing hole 143, thereby achieving the fixing of the third connecting member 23. When the rail vehicle vibrates, the second clamping portion and the second clamping matching portion 222 keep a mutually clamped connection state, and automatic unlocking of the third connecting piece 23 cannot be caused. When the third connecting member 23 is detached, the bolt 24 is detached, the second clamping portion and the second clamping matching portion 222 are separated, and the second connecting member 22 is removed, so that the third connecting member 23 is released from being fixed.
The locking assembly 3 is used to lock and unlock the identification member 4. The locking assembly 3 is located in the locking groove 12, a guide groove is arranged on the locking assembly 3, and the first connecting piece 21 and the guide groove are mutually connected in a guiding mode. The locking component 3 moves relative to the first connecting piece 21 through the guide groove, and the identification piece 4 is locked and unlocked. The locking assembly 3 further comprises a first spring 33, the first spring 33 having a first projection 331 and a second projection 332. The first protrusion 331 and the second protrusion 332 are disposed opposite to each other, an opening 333 is formed between the first protrusion 331 and the second protrusion 332, the opening 333 is disposed along the guide direction of the guide groove, the opening 333 is disposed corresponding to the first connector 21, and the size of the opening 333 is smaller than that of the first connector 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 piece 21 is positioned at one side of the opening part 333 in the guide groove, the locking component 3 is intersected with the moving part 11, and the locking component 3 limits the action of the identification piece 4; in the second state, the first link 21 passes through the opening 333, the first link 21 is located on the other side of the opening 333 in the guide groove, the locking member 3 is away from the moving part 11, and the locking member 3 does not restrict the movement of the identification member 4. The identification locking device provided in the first embodiment has a first state, i.e. a locking state, in which the guide groove of the locking member 3 moves relative to the first link member 21, and when the first link member 21 moves to the position of the opening part 333 in the direction of the guide groove, since the size of the opening part 333 is smaller than that of the first link member 21, the first link member 21 blocks the opening part 333 to further block the movement of the locking member 3, and at this time, the locking member 3 intersects with the moving part 11, and the locking member 3 restricts the movement of the identification member 4. When the track gauge is changed, the wheel is in contact with the identification piece 4, the wheel can generate certain transverse impact force and friction force on the identification piece 4, the first connecting piece 21 blocks the opening part 333, the locking assembly 3 is further positioned in the moving part 11 so as to block the identification piece 4 to act, the blocking force on the identification piece 4 is vertically intersected with the direction of the impact force and the friction force generated by the wheel on the identification piece 4, and therefore the blocking force of the first connecting piece 21 on the identification piece 4 is far greater than the transverse impact force and the friction force, the identification piece 4 is prevented from falling off, the brake clamp unit can move along with the wheel, the wheel is prevented from being in hard collision with the brake clamp unit, and the driving safety of a railway vehicle is ensured. When the identification locking device provided by the first embodiment has the second state, that is, the unlocked state, the force applied to the locking component 3 is increased, the force acting between the first connecting member 21 and the opening 333 is increased, so that the opening 333 is elastically deformed, the first connecting member 21 passes through the opening 333 and then is located on the other side of the opening 333, and the locking component 3 moves in the direction away from the moving part 11. At this time, the locking unit 3 does not intersect with the moving portion 11, and the locking unit 3 does not restrict the movement of the identifier 4. The identification piece 4 can be detached and replaced, the brake clamp unit is not required to be integrally detached from the rail vehicle, and the maintenance convenience is improved.
Specifically, the locking assembly 3 includes a first locking member 31, a second locking member 32, a first spring 33, a second spring 34, and a fixing member 35. In order to protect the first spring plate 33 and the second spring plate 34 and prolong the service life of the identification locking device provided by the first embodiment, the locking assembly 3 is arranged separately. Specifically, the locking assembly 3 includes a first locking member 31 and a second locking member 32. The first locking piece 31 is located in the locking groove 12, a containing portion 311 is arranged on the first locking piece 31, the first spring piece 33 is located in the containing portion 311, the first spring piece 33 is connected with the first locking piece 31, and particularly the first spring piece 33 is connected with the first locking piece 31 through the fixing piece 35. The first locking member 31 is further provided with a first guide groove 313, the first connecting member 21 passes through the first guide groove 313, and the first guide groove 313 and the first connecting member 21 are mutually connected in a guiding manner. The first locking member 31 is further provided with a third connecting portion 312, and the first locking member 31 is movably connected with the third connecting member 23 through the third connecting portion 312. The second locking piece 32 is located in the locking groove 12, the shape of the second locking piece 32 corresponds to that of the first locking piece 31, and the second locking piece 32 is butted with the first locking piece 31 and can be pressed by a pin shaft in an interference mode, or connected through a bolt, or welded, riveted and the like. The second locking member 32 and the accommodating portion 311 form an accommodating cavity, and the first spring 33 is located in the accommodating cavity and protects the first spring 33. The second locking member 32 is provided with a second guiding groove 322, the shape of the second guiding groove 322 is the same as that of the first guiding groove 313, the second guiding groove 322 is arranged corresponding to the first guiding groove 313, the first connecting member 21 passes through the second guiding groove 322, the second guiding groove 322 is mutually guided and connected with the first connecting member 21, and the first guiding groove 313 and the second guiding groove 322 cooperate to form a guiding 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 opposite to the third connecting portion 312, and the second locking member 32 is movably connected to the third connecting member 23 through the third connecting portion 312 and the fourth connecting portion 321. Preferably, the identification lock device of the first embodiment is provided with the third connecting portion 312 and the fourth connecting portion 321 rotatably connected to the third connecting member 23.
The first spring 33 provides a locking force for the identification locking device provided in this embodiment. Specifically, the first spring 33 is made of a material having elasticity, particularly a metal material having elastic deformability. The first spring 33 has a first projection 331 and a second projection 332 which are oppositely arranged, the first projection 331 and the second projection 332 are oppositely arranged, an opening part 333 is formed between the first projection 331 and the second projection 332, the opening part 333 is arranged along the guiding direction of the guiding groove, the opening part 333 is arranged corresponding to the first connecting piece 21, and the size of the opening part 333 is smaller than that of the first connecting piece 21. In the first embodiment, when the identification locking device is in the first state, i.e., the locked state, the first connecting member 21 is located at one side of the opening 333, and the opening 333 restricts the movement of the first connecting member 21 because the size of the opening 333 is smaller than that of the first connecting member 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 portion 11, thereby restricting the movement of the identification member 4 and locking the identification member 4. When the identification locking device provided in the first embodiment is in the second state, i.e., 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 333 is increased, the opening 333 is deformed, and the first connecting member 21 passes through the opening 333 and is located on the other side of the opening 333. At this time, the first locking piece 31 and the second locking piece 32 are located in the locking groove 12 and are away from the moving portion 11, so that the movement restriction of the identifier 4 is released and the identifier 4 is unlocked. In order to further improve the locking performance of the identification member 4, the identification locking device according to the first embodiment is provided in which the first spring 33 is provided as a semi-closed structure. Specifically, the first protrusion 331 of the first spring 33 is connected to one side of the second protrusion 332 to form the closing portion 334, the first connecting member 21 passes through the opening portion 333 and then enters the closing portion 334, and the closing portion 334 contacts the first connecting member 21. The sealing part 334 plays a role in wrapping the first connecting piece 21, so that the first connecting piece 21 cannot move after entering the sealing part 334, the stability of a locking state or an unlocking state is ensured, the capacity of bearing impact force, friction force and the like of the identification piece 4 is further improved, and the identification piece 4 is further prevented from falling off. To further facilitate the first connecting member 21 entering the closing portion 334, the other sides of the first projection 331 and the second projection 332 away from the closing portion 334 extend to form a guiding portion 335, and the guiding portion 335 can contact with the first connecting member 21. In the process of switching the states, because the guide portion 335 is connected with the first protrusion 331 and the second protrusion 332, the first connecting piece 21 can move along the guide portion 335 and enter the opening portion 333, so that the first connecting piece 21 is prevented from being stuck at the opening portion 333, the convenience of entering the closing portion 334 by the first connecting piece 21 is improved, and the reliability of the identification locking device provided by the first embodiment is also improved. Preferably, the identification locking device provided by the present embodiment is configured such that when the identification locking device is in the locked state, the first connecting member 2 is located inside the closing portion 334 and is in contact with the closing portion 334, thereby further enhancing the reliability of the locked state.
To improve the reliability of the first spring 33 and to prevent permanent deformation of the first spring 33 due to fatigue, the locking assembly 3 further comprises a second spring 34. The second spring 34 is sleeved outside the closed part 334 of the first spring 33 to assist in ensuring the elasticity and strength of the first spring 33.
The first embodiment also provides a variable-track-pitch brake caliper unit comprising the above-described identification locking device.
The first embodiment also provides a railway vehicle comprising the variable gauge brake caliper unit.
To facilitate understanding of the technical solution of the first embodiment, the operation process of the identification locking device provided in the first embodiment is further described.
Referring to fig. 12, when the identification member 4 is locked, the first locking member 31 and the second locking member 32 are manually pushed, and the first locking member 31 and the second locking member 32 are rotated around the third connecting member 23 in the locking groove 12 toward the moving portion 11. The first connecting member 21 enters the closing portion 334 or the guiding portion 335 through the opening portion 333, the first connecting member 21 is located at the 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 positioned in the moving portion 11, and block the operation of the identification member 4 to lock the identification member 4.
Referring to fig. 13, when the identification member 4 is unlocked, the first locking member 31 and the second locking member 32 are manually pulled, and the first locking member 31 and the second locking member 32 rotate around the third connecting member 23 in the locking groove 12 in a direction away from the moving portion 11. The first connecting member 21 leaves the closing portion 334 or the guiding portion 335 through the opening portion 333, the first connecting member 21 is located on the other side of the opening portion 333, and the opening portion 333 performs a reverse blocking function on the first connecting member 21. At this time, the first locking member 31 and the second locking member 32 are separated from the moving portion 11, the first locking member 31 and the second locking member 32 do not interfere with the moving portion 11, the locking of the identification member 4 is released, and the identification member 4 can move along the moving portion 11 to perform operations such as replacement of the identification member 4.
Second embodiment
The second embodiment also provides an identification locking device, and differs 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, the third connecting member 23 passes through one guide groove, and the third connecting member 23 is connected with one guide groove in a guiding way. During locking or unlocking, the locking assembly 3 is moved in translation by the first link 21, the second link 23 and the two guide grooves. More specifically, the third connecting portion 312 of the first locking member 31 is provided in the same structure as the first guide groove 313. The fourth connecting portion 321 of the second lock 32 has the same configuration as the second guide groove 322, and preferably, the first guide groove 313 and the second guide groove 322 are linear grooves. The third connecting part 23 passes through the third connecting part 312 and the fourth connecting part 321, and the third connecting part 23 can move in the first guide groove 313 and the second guide groove 322 during the locking or unlocking process. Preferably, in order to reinforce the locking strength of the identification locking device provided in the second embodiment, the first spring pieces 33 are provided in two, the two first spring pieces 33 are respectively provided in the guiding directions of the two guiding grooves, the opening part 333 of one of the first spring pieces 33 is provided corresponding to the third connecting member 23, and the size of the opening part 333 is smaller than that of the third connecting member 23.
The rest is the same as the first embodiment.
The second embodiment also provides a variable-track-pitch brake caliper unit comprising the above-described identification locking device.
The second embodiment also provides a rail vehicle comprising the variable gauge brake caliper unit described above.
To facilitate understanding of the technical solution of the second embodiment, the operation process of the identification locking device provided by the second embodiment is further described.
Referring to fig. 14, when the identification member 4 is locked, the first locking member 31 and the second locking member 32 are manually pushed, and the first locking member 31 and the second locking member 32 are moved in the locking groove 12 toward the moving portion 11 by the first connecting member 21, the third connecting member 23 and the two guide grooves. The first connecting piece 21 and the third connecting piece 23 enter the closing part 334 or the guide part 335 through the opening part 333, the first connecting piece 21 and the third connecting piece 23 are located on one side of the opening part 333, and the opening part 333 blocks the first connecting piece 21 and the third connecting piece 23. At this time, the first locking member 31 and the second locking member 32 are partially positioned in the moving portion 11, and block the operation of the identification member 4 to lock the identification member 4.
Referring to fig. 15, when the identification member 4 is unlocked, the first locking member 31 and the second locking member 32 are manually pulled, and the first locking member 31 and the second locking member 32 are rotated in the locking groove 12 in a direction away from the moving portion 11 by the first connecting member 21, the third connecting member 23 and the two guide grooves. The first connecting piece 21 and the third connecting piece 23 leave the closing part 334 or the guide part 335 through the opening part 333, the first connecting piece 21 and the third connecting piece 23 are both positioned at the other side of the opening part 333, and the opening part 333 plays a reverse blocking role for the first connecting piece 21 and the third connecting piece 23. At this time, the first locking member 31 and the second locking member 32 are separated from the moving portion 11, the first locking member 31 and the second locking member 32 do not interfere with the moving portion 11, the locking of the identification member 4 is released, and the identification member 4 can move along the moving portion 11 to perform operations such as replacement of the identification member 4.
Claims (13)
1. An identification locking device, comprising:
a mount provided with:
the identification piece is connected with the track distance changing device and is movably connected with the mounting piece through the moving part;
a locking groove intersecting the moving portion;
a connection assembly, the connection assembly comprising:
the first connecting piece penetrates through the locking groove and is connected with the mounting piece;
a locking assembly, the locking assembly located in the locking groove, the locking assembly provided with:
the first connecting piece penetrates through the guide groove, and the first connecting piece and the guide groove are mutually connected in a guiding manner;
a first spring sheet having:
a first protrusion;
the first protrusion and the second protrusion are oppositely arranged, an opening part is formed between the first protrusion and the second protrusion and is arranged along the guiding direction of the guiding groove, the opening part is arranged corresponding to the first connecting piece, and the size of the opening part is smaller than that of the first connecting piece;
wherein the identification locking means has a first state and a second state; in a first state, the first connecting piece is positioned on one side of the opening part in the guide groove, the locking component is intersected with the moving part, and the locking component limits the action of the identification piece; and in a second state, the first connecting piece penetrates through the opening part, the first connecting piece is positioned on the other side of the opening part in the guide groove, the locking assembly is far away from the moving part, and the locking assembly does not limit the action of the identification piece.
2. The identification locking device of claim 1 wherein said first protrusion is coupled to one side of said second protrusion to form a closed portion, said first connector being accessible into said closed portion through said opening, said closed portion being in contact with said first connector when said first connector is in said closed portion.
3. The identification locking device of claim 2 wherein said locking assembly further comprises:
and the second reed is sleeved on the outer side of the closed part.
4. The identification locking device of claim 1 wherein said first projection extends away from said second projection to form a guide, said guide being contactable with said first connector.
5. The identification locking device of claim 1 wherein said locking assembly further comprises:
first locking piece, first locking piece is located locking inslot, be provided with on the first locking piece:
the first spring plate is positioned in the accommodating part and connected with the first locking piece;
the first connecting piece penetrates through the first guide groove, and the first guide groove and the first connecting piece are mutually connected in a guiding manner;
the second locking piece, the second locking piece is located locking inslot, the second locking piece with first locking piece dock mutually, the second locking piece with it forms and holds the chamber to hold the portion, and first reed is located hold the intracavity, the second locking piece is provided with:
the second guide groove is opposite to the first guide groove, the first connecting piece penetrates through the second guide groove, the second guide groove is in guiding connection with the first connecting piece, and the first guide groove is matched with the second guide groove to form the guide groove.
6. The identification locking device of claim 1 wherein the connection assembly further comprises:
a second connector, the second connector having thereon:
first joint cooperation portion, lie in on the first connecting piece the one end in the locking groove outside is provided with first joint portion, first joint portion with the mutual block of first joint cooperation portion is connected, the second connecting piece with the installed part is connected.
7. The identification locking device of claim 6 wherein said connecting assembly further comprises:
the third connecting piece penetrates through the locking groove, the third connecting piece is connected with the mounting piece, and the locking assembly is connected with the third connecting piece in a relatively movable mode.
8. The identification locking device of claim 7 wherein said locking assembly is rotatably interconnected to said third connector.
9. The identification locking device of claim 7 wherein said locking assembly is in movable communication with said third connector.
10. The identification locking device of claim 9 wherein there are two of said guide slots, said third connecting member passing through one of said guide slots, said third connecting member being in guiding engagement with one of said guide slots;
the opening part of one first reed is arranged along the guiding direction of the guiding groove, the opening part is arranged corresponding to the third connecting piece, and the size of the opening part is smaller than that of the third connecting piece.
11. The identification locking device of claim 7 wherein said second connector member has disposed thereon:
second joint cooperation portion, be located on the third connecting piece the one end in the locking groove outside is provided with second joint portion, second joint portion with the mutual block of second joint cooperation portion is connected, the third connecting piece with the installed part is connected.
12. A variable-track-pitch brake caliper unit, characterized by comprising an identification locking device according to any one of claims 1 to 11.
13. A railway vehicle comprising a variable-track brake caliper unit according to claim 12.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836746.1A CN111942422B (en) | 2020-08-19 | 2020-08-19 | Identification locking device, variable-track-pitch brake clamp unit and railway vehicle |
| PCT/CN2021/112674 WO2022037513A1 (en) | 2020-08-19 | 2021-08-16 | Identification locking device, variable gauge brake clamp unit, and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836746.1A CN111942422B (en) | 2020-08-19 | 2020-08-19 | Identification locking device, variable-track-pitch brake clamp unit and railway vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111942422A CN111942422A (en) | 2020-11-17 |
| CN111942422B true CN111942422B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010836746.1A Active CN111942422B (en) | 2020-08-19 | 2020-08-19 | Identification locking device, variable-track-pitch brake clamp unit and railway vehicle |
Country Status (2)
| Country | Link |
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| CN (1) | CN111942422B (en) |
| WO (1) | WO2022037513A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111942422B (en) * | 2020-08-19 | 2021-06-15 | 青岛思锐科技有限公司 | Identification locking device, variable-track-pitch brake clamp unit and railway vehicle |
| CN112977532B (en) * | 2021-03-18 | 2022-07-05 | 中车青岛四方车辆研究所有限公司 | Servo connecting device and brake clamp unit |
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| CN111942422B (en) * | 2020-08-19 | 2021-06-15 | 青岛思锐科技有限公司 | Identification locking device, variable-track-pitch brake clamp unit and railway vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111942422A (en) | 2020-11-17 |
| WO2022037513A1 (en) | 2022-02-24 |
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Address after: 266111 South of Xinye Road and West of Herong Road, High tech Industrial Development Zone, Qingdao City, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Country or region after: China Address before: 266111 Qingdao High-tech Industrial Development Zone, Qingdao, Shandong Province, on the south side of Xinye Road and on the west side of Herong Road Patentee before: QINGDAO SRI TECHNOLOGY Co.,Ltd. Country or region before: China |