CN111216749A - Locking device, through passage and rail vehicle - Google Patents
Locking device, through passage and rail vehicle Download PDFInfo
- Publication number
- CN111216749A CN111216749A CN201811406621.4A CN201811406621A CN111216749A CN 111216749 A CN111216749 A CN 111216749A CN 201811406621 A CN201811406621 A CN 201811406621A CN 111216749 A CN111216749 A CN 111216749A
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- Prior art keywords
- locking unit
- passage
- locking
- movable
- unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/20—Communication passages between coaches; Adaptation of coach ends therefor
- B61D17/22—Communication passages between coaches; Adaptation of coach ends therefor flexible, e.g. bellows
Abstract
The invention provides a locking device, a through passage and a rail vehicle, wherein the locking device comprises a guide chute; a plurality of locking portions, each of which includes a fixed locking unit and a movable locking unit; the movable locking unit is movably arranged on the guide sliding chute; a linkage rope connecting the plurality of moving locking units; the linkage rope is suitable for driving the movable locking unit to move, so that the movable locking unit is matched with and separated from the fixed locking unit; when the movable locking unit is engaged with the fixed locking unit, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage. The locking device provided by the invention can be used for quickly locking and unlocking the through passage, can also be used for the through passage with special-shaped profile, and has a wide application range.
Description
Technical Field
The invention belongs to the technical field of vehicles, and particularly relates to a locking device, a through passage and a railway vehicle.
Background
The existing multi-marshalling vehicle connects adjacent carriages through a through passage, and locks and unlocks the connection between the through passage and the carriages through a locking mechanism. In the related art, the locking mechanism of the through passage can only be used for a simple through passage with a square outline, and cannot be adapted to a through passage outline with radian or special shape.
Disclosure of Invention
In view of the above technical problems, the invention provides a locking device for a through passage, which can quickly lock and unlock the through passage, can also be used for a through passage with a special-shaped profile, and has a wide application range.
The specific technical scheme of the invention is as follows:
a locking arrangement for a through passage, comprising:
a guide chute;
a plurality of locking portions, each of which includes a fixed locking unit and a movable locking unit; the movable locking unit is movably arranged on the guide sliding chute;
a linkage rope connecting the plurality of moving locking units; the linkage rope is suitable for driving the movable locking unit to move, so that the movable locking unit is matched with and separated from the fixed locking unit;
when the movable locking unit is matched with the fixed locking unit, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage; when the movable locking unit is disengaged from the fixed locking unit, the movable locking unit and the fixed locking unit are unlocked in the extending direction of the through passage.
When the through passage needs to be locked, the linkage rope is pulled, so that the movable locking units are driven to move on the guide sliding grooves until the movable locking units are matched with the fixed locking units, and the movable locking units and the fixed locking units are locked in the extending direction of the through passage. When the through passage needs to be unlocked, the linkage rope is pulled reversely, so that the movable locking units are driven to move reversely on the guide sliding grooves until the movable locking units are disengaged from the fixed locking units, and the unlocking of the movable locking units and the fixed locking units in the extending direction of the through passage is completed.
Through locking portion with the linkage rope makes through the way can carry out locking and unblock fast, and easy operation has improved greatly through the installation of way and the work efficiency of maintaining, still have simple structure lightweight, advantage that space utilization is high. Through the arrangement of the guide sliding groove, the linkage rope and the movable locking unit can move along a specified path, the reliability of the locking device is greatly improved, the locking device can be used for a through passage with a special-shaped profile, and the application range of the locking device is greatly expanded.
In addition, the locking device for a through passage according to the invention can also have the following additional features.
In some examples of the present invention, the moving locking unit is provided with a locking hook; when the locking hook is engaged with the fixed locking unit, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage; when the locking hook is disengaged from the fixed locking unit, the movable locking unit and the fixed locking unit are unlocked in the extending direction of the through passage. Through the locking hook with fixed locking unit cooperation has simple structure lightweight, advantage that space utilization is high.
In some examples of the invention, the locking hook is L-shaped. The L-shaped locking hook is not only suitable for the movement of the movable locking unit, but also can be in good contact with the fixed locking unit, so that the reliability of the locking device is ensured.
In some examples of the invention, the free end of the locking hook is provided with a guide ramp. The free end of the locking hook is provided with the guide inclined surface, so that contact collision and friction caused by machining errors or installation errors when the locking hook and the fixed locking unit start to be matched can be reduced, and the service life of the locking device is prolonged.
In some examples of the invention, the mobile locking unit is provided with a moving member; the moving piece is located in the guide sliding groove, and the moving surface of the moving piece is in contact fit with the inner side surface of the guide sliding groove. The movable locking unit is matched with the moving piece in the guide sliding groove, the linkage rope is driven to move, and the movable locking unit has the advantages of being simple in structure, light in weight and high in space utilization rate.
In some examples of the invention, the moving member is a roller. The movable locking unit slides on the guide sliding groove through the roller, so that friction force is greatly reduced, and the service life of the locking part is prolonged.
In some examples of the invention, the guide chute is provided with a first limit part; the first limiting surface of the moving piece is far away from the inner bottom surface of the guide sliding groove; the first limiting part is suitable for being in contact fit with a first limiting surface of the moving piece, so that the moving locking unit is not separated from the guide sliding groove.
In some examples of the invention, the guide chute is provided with a second limiting part; the movable locking unit is provided with a second limiting surface; the second limiting part is matched with a second limiting surface of the movable locking unit, so that the movable locking unit is restrained from rotating relative to the guide sliding groove. By restricting the rotation of the movable locking unit relative to the guide runner, the cooperation of the movable locking unit and the fixed locking unit can be more reliable.
In some examples of the present invention, the fixed locking unit includes a locking shaft; when the movable locking unit is matched with the locking shaft, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage; when the movable locking unit is disengaged from the locking shaft, the movable locking unit and the fixed locking unit are unlocked in the extending direction of the through passage. The fixed locking unit is matched with the movable locking unit through the locking shaft, and the movable locking unit has the advantages of simple and light structure and high space utilization rate.
In some examples of the invention, the fixed locking unit further comprises a bushing; the shaft sleeve is rotatably sleeved on the locking shaft; the movable locking unit is suitable for being matched with the locking shaft through the shaft sleeve. The rotatable shaft sleeve is arranged on the locking shaft, so that contact collision and friction generated when the movable locking unit is matched with the locking shaft are effectively reduced, and the service life of the locking device is prolonged.
In some examples of the present invention, the guide slide groove is one, and each of the plurality of movement locking units is movably provided on the guide slide groove; or, the guide sliding groove is a plurality of, and each guide sliding groove is provided with at least one movable locking unit.
In some examples of the invention, the locking device further comprises an operating handle; the operating handle is connected with the linkage rope and used for pulling the linkage rope so as to drive the plurality of mobile locking units to move on the guide sliding groove. Through the operating handle pulling the linkage rope, make through the passageway can carry out locking and unblock fast, and easy operation has improved greatly the installation of through the passageway and the work efficiency of maintaining.
In some examples of the invention, the operating handle includes a linkage rope mount and a handle bar; the linkage rope mounting seat is connected with the handle rod; the linkage rope mounting seat is fixedly connected with the linkage rope; the linkage rope mounting seat is movably arranged on the guide sliding groove. Through the handle pole drives the linkage rope mount pad slides to the pulling the linkage rope, and then drives remove the locking unit with fixed locking unit takes place the cooperation or breaks away from the cooperation, makes through the way can carry out locking and unblock fast, and easy operation has improved greatly the installation of through the way and the work efficiency of maintaining.
In some examples of the invention, the operating handle further comprises a handle bar mount and a linkage; the handle bar mounting seat is fixedly connected with the guide sliding groove; the handle rod is rotatably connected with the handle rod mounting seat; one end of the connecting rod is rotatably connected with the handle rod, and the other end of the connecting rod is rotatably connected with the linkage rope mounting seat. The handle rod, the connecting rod, the linkage rope mounting seat and the guide sliding groove form a slider-crank mechanism, and the linkage rope is simply and reliably pulled through the rotation of the handle rod, so that the through passage can be quickly locked and unlocked, and the working efficiency of installation and maintenance of the through passage is greatly improved.
In some examples of the invention, the operating handle further comprises a handle lever positioning pin; the handle bar positioning pin is adapted to pass through the positioning hole of the handle bar to position the handle bar. The handle rod is positioned by the handle rod positioning pin, so that the locking of the fixed locking unit and the movable locking unit can also ensure higher reliability in movement.
The invention also provides a through passage, which comprises a folding shed and a connecting frame group; the connecting frame group comprises a first butt-joint frame, a second butt-joint frame and a locking device provided by the invention; the first butt joint frame and the second butt joint frame are installed in a matched mode; one of the first butt joint frame and the second butt joint frame is fixedly connected with the folding shed; the fixed locking unit is fixedly arranged on the first butt frame; a guide chute of the locking device is fixedly arranged on the second butt-joint frame; when the movable locking unit is matched with the fixed locking unit, the first butt joint frame and the second butt joint frame are locked; when the movable locking unit is disengaged from the fixed locking unit, the first docking frame and the second docking frame are unlocked.
When the first butt joint frame and the second butt joint frame need to be connected, the linkage rope is pulled after the first butt joint frame and the second butt joint frame are in butt joint, so that the plurality of movable locking units are driven to move on the guide sliding groove until the movable locking units are matched with the fixed locking units, and the butt joint of the first butt joint frame and the second butt joint frame is locked. When the first butt joint frame and the second butt joint frame need to be disassembled, the linkage rope is pulled reversely, so that the movable locking units are driven to move reversely on the guide sliding grooves until the movable locking units are separated from the fixed locking units, and the first butt joint frame and the second butt joint frame are disassembled.
Through locking portion with the linkage rope makes through the way can carry out locking and unblock fast, and easy operation has improved greatly through the installation of way and the work efficiency of maintaining, still have simple structure lightweight, advantage that space utilization is high. Through the arrangement of the guide sliding groove, the linkage rope and the movable locking unit can move along a specified path, the reliability of the locking device is greatly improved, the locking device can be used for a through passage with a special-shaped profile, and the application range of the locking device is greatly expanded.
In some examples of the invention, the set of connection frames further comprises a seal; the sealing element is respectively in contact fit with the first butt joint frame and the second butt joint frame and seals the locking device. The plurality of locking devices are sealed through the sealing elements, so that the locking devices are effectively protected, and the service life of the locking devices is prolonged; and the connection between the first butt joint frame and the second butt joint frame is tighter, so that the structure of the through passage is more compact.
In some examples of the present invention, the second docking frame is provided with two sealing grooves; the number of the sealing parts is two; one of the sealing elements is disposed in one of the sealing grooves, and the other of the sealing elements is disposed in the other of the sealing grooves; the first butt frame is in contact fit with the seal.
In some examples of the invention, the seal is a flexible seal. The flexible sealing piece enables the first butt joint frame and the second butt joint frame to be connected more tightly, the structure of the through passage is more compact, and the movable locking unit and the fixed locking unit are convenient to match.
The invention also provides a railway vehicle, which comprises at least two carriages and the through passage provided by the invention; at least two adjacent carriages are connected through the through passage, one of the first butt joint frame and the second butt joint frame is fixedly connected with the folding shed, and the other of the first butt joint frame and the second butt joint frame is fixedly connected with the carriages.
Through locking portion with the linkage rope makes two adjacent carriages that link up the way and connect can carry out locking and unblock fast, and easy operation has improved greatly link up the installation of way and the work efficiency of maintaining still have simple structure lightweight, advantage that space utilization is high. Through the arrangement of the guide sliding groove, the linkage rope and the movable locking unit can move along a specified path, the reliability of the locking device is greatly improved, the locking device can be used for a through passage with a special-shaped profile, and the application range of the locking device is greatly expanded.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a partial side view of a rail vehicle provided by an embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of a through passage connection frame set provided in an embodiment of the present invention.
Fig. 3 is a schematic view of a locking device provided in an embodiment of the present invention.
Fig. 4 is a schematic diagram of a second docking frame of a through passage according to an embodiment of the present invention.
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
Fig. 6 is a cross-sectional view taken along the plane B-B in fig. 5.
Fig. 7 is a schematic view of a first docking frame of a through passage according to an embodiment of the present invention.
Fig. 8 is a partially enlarged view of a portion C in fig. 7.
Fig. 9 is a cross-sectional view taken along plane D-D of fig. 8.
Fig. 10 is a schematic view of a locking device provided in an embodiment of the present invention.
Fig. 11 is a partially enlarged view of a portion E in fig. 10.
Fig. 12 is a view from direction G in fig. 11.
Fig. 13 is a partially enlarged view of a portion F in fig. 10.
Reference numerals:
100: a locking device;
1: a guide chute; 1 a: an inner side surface; 1 b: an inner bottom surface; 11: a first limiting part; 11 a: an inlet port; 12: a second limiting part; 12 a: a limiting groove;
2: a lock section; 21: a fixed locking unit; 211: a lock shaft; 212: a shaft sleeve; 22: a movement lock unit; 22 a: a second limiting surface; 221: a locking hook; 221 a: a guide slope; 222: a moving member; 222 a: moving the surface; 222 b: a first limiting surface;
3: a linkage rope;
4: an operating handle; 41: a linkage rope mounting base; 42: a handle bar; 43: a handle bar mounting base; 44: a connecting rod; 45: a handle bar locating pin;
200: a through passage; 201: folding the shed; 202: connecting the frame group; 2021: a first docking frame; 2021 a: a first accommodating groove; 2022: a second docking frame; 2022 a: a sealing groove; 2023: a seal member;
300: a rail vehicle; 301: a carriage.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "vertical", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element 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. Wherein the content of the first and second substances,xthe axial direction is a transverse direction,xthe positive direction of the axis is the right direction,xthe axial negative direction is left;ythe axial direction is the longitudinal direction,ythe positive direction of the axis is the front direction,ythe negative axis direction is back;zthe axial direction is vertical or vertical,zthe positive direction of the axis is upward,zaxial negative direction is down；xOyThe plane is the horizontal plane, and the horizontal plane,yOzthe plane is the vertical plane in the longitudinal direction,xOzi.e. the transverse vertical plane. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
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; the connection can be mechanical connection or electrical 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.
The inventor of the present invention found through research and analysis that, in the related art, the locking device of the through passage of the vehicle passes through the locking hooks and the locking seats of the left and right frames through the steel wire and the bolt assembly, so as to lock the left and right frames of the through passage. However, when the steel wire drives the pin assembly to move, the pin assembly must be aligned with the lock hook and the lock seat to smoothly penetrate into the lock hook and the lock seat, and the motion trail of the pin assembly cannot be changed, so that the locking device can be used for a simple through passage with a square profile, but cannot be adapted to a through passage with a radian or a special-shaped profile. For the reasons, the inventor improves the locking device of the existing through passage to obtain the technical scheme of the invention.
The locking device 100, the through passage 200, and the rail vehicle 300 according to the embodiment of the present invention are described in detail below with reference to fig. 1 to 13. As shown in fig. 1, the through passage 200 includes a bellows 201 and a connection frame group 202. The railway vehicle 300 includes at least two cars 301 and a through passage 200, at least two adjacent cars 301 are connected by the through passage 200, and the bellows 201 is connected with the cars 301 by the connection frame group 202. The locking device 100 is disposed on the connection frame group 202, and is used for locking or unlocking the connection between the bellows 201 and the car 301. The locking device 100 and the through passage 200 may be used not only for a railway vehicle but also for a vehicle having a plurality of cars, such as a bus.
As shown in fig. 2, the locking device 100 includes a guide chute 1, a plurality of locking portions 2, and a linking rope 3. Each lock section 2 includes a fixed lock unit 21 and a movable lock unit 22. The mobile locking unit 22 is movably arranged on the guide link 1. The interlocking rope 3 connects a plurality of moving locking units 22. The interlocking cord 3 is adapted to move the movable locking unit 22 such that the movable locking unit 22 is engaged with and disengaged from the fixed locking unit 21. In some embodiments, the linkage rope 3 is a steel wire rope, and has high toughness.
When the movable locking unit 22 is engaged with the fixed locking unit 21, the movable locking unit 22 is locked with the fixed locking unit 21 in the extending direction of the through passage 200; when the movable lock unit 22 is disengaged from the fixed lock unit 21, the movable lock unit 22 is unlocked from the fixed lock unit 21 in the extending direction of the through passage 200. Note that the extending direction of the through passage 200, i.e., the y direction in fig. 1 to 3, is also the extending direction of the rail vehicle 300.
When the through passage 200 needs to be locked, the linkage rope 3 is pulled, so that the plurality of movable locking units 22 are driven to move on the guide chute 1 until the movable locking units 22 are matched with the fixed locking units 21, and the movable locking units 22 and the fixed locking units 21 are locked in the extending direction of the through passage 200. When the through passage 200 needs to be unlocked, the linkage rope 3 is pulled reversely, so that the plurality of movable locking units 22 are driven to move reversely on the guide chute 1 until the movable locking units 22 are disengaged from the fixed locking units 21, and unlocking of the movable locking units 22 and the fixed locking units 21 in the extending direction of the through passage 200 is completed.
Through locking portion 2 and linkage rope 3 for through the 200 locking and unblocks of can carrying out fast, and easy operation, improved the installation of through the 200 and the work efficiency of maintaining greatly, still have simple structure lightweight, advantage that space utilization is high. Through the arrangement of the guide chute 1, the linkage rope 3 and the movable locking unit 22 can move along a specified path, so that the reliability of the locking device 100 is greatly improved, the locking device 100 can be used for a through passage with a special-shaped profile, and the application range of the locking device 100 is greatly enlarged. The "predetermined path" refers to the extending direction of the guide chute 1.
As shown in fig. 2-3, 10-12, in some embodiments, the mobile locking unit 22 is provided with a locking hook 221. When the locking hook 221 is engaged with the fixed locking unit 21, the movable locking unit 22 is locked with the fixed locking unit 21 in the extending direction of the through passage 200; when the locking hook 221 is disengaged from the fixed locking unit 21, the movable locking unit 22 is unlocked from the fixed locking unit 21 in the extending direction of the through passage 200. Through locking hook 221 and fixed locking unit 21 cooperation, have simple structure lightweight, advantage that space utilization is high.
As shown in fig. 3 and 12, in some embodiments, the locking hook 221 is L-shaped. The L-shaped locking hook 221 prevents the movable locking unit 22 from interfering with the fixed locking unit 21 during movement, and is adapted to the movement of the movable locking unit 22 and can be in good contact with the fixed locking unit 21, thereby ensuring the reliability of the locking part 2.
As shown in fig. 2-3, 11-12, in some embodiments, the free end of the locking hook 221 is provided with a guide ramp 221 a. By providing the guide slope 221a at the free end of the locking hook 221, contact collision and friction caused by machining errors or mounting errors when the locking hook 221 starts to be fitted to the fixed locking unit 21 can be reduced, and the service life of the locking portion 2 can be improved.
As shown in fig. 2-3, 11-12, in some embodiments, the mobile locking unit 22 is provided with a mobile member 222. The moving member 222 is located in the guide chute 1, and a moving surface 222a of the moving member 222 is in contact with and engaged with the inner side surface 1a of the guide chute 1. The movable locking unit 22 is driven by the linkage rope 3 to move through the matching of the moving piece 222 in the guide chute 1, and has the advantages of simple and light structure and high space utilization rate.
As shown in fig. 3, in some embodiments, the moving member 222 is a roller. The movable locking unit 22 slides on the guide chute 1 via the roller, so that friction is greatly reduced, and the service life of the locking part 2 is prolonged.
As shown in fig. 2 and 4-6, in some embodiments the guide chute 1 is provided with a first stop 11. The first position-limiting surface 222b of the moving member 222 is away from the inner bottom surface 1b of the guide chute 1. The first limiting portion 11 is adapted to contact and cooperate with the first limiting surface 222b of the moving member 222, so that the movable locking unit 22 is not separated from the guide chute 1, and the movement of the movable locking unit 22 on the guide chute 1 is more reliable.
As shown in fig. 5, in some embodiments, the first position-limiting portion 11 is further provided with an inlet port 11 a. The width of the entry opening 11a is greater than the width of the moving member 222 so that the moving member 222 can enter the guide chute 1 through the entry opening 11 a.
As shown in fig. 2 and 4-6, in some embodiments the guide chute 1 is provided with a second stop 12. The movement locking unit 22 is provided with a second stopper surface 22 a. The second stopper portion 12 is engaged with the second stopper surface 22a of the movable lock unit 22, thereby restricting the rotation of the movable lock unit 22 relative to the guide chute 1. It should be noted that "the rotation of the movable lock unit 22 with respect to the guide link 1" does not include the rotation of the movable lock unit 22 that occurs in accordance with the extending direction of the guide link 1. In some embodiments, the second position-limiting part 12 is in contact fit with the second position-limiting surface 22a of the movable locking unit 22, so that the movement of the movable locking unit 22 is more stable; in other embodiments, the second position-limiting portion 12 is in clearance fit with the second position-limiting surface 22a of the movable locking unit 22, so that the movable locking unit 22 can be restrained from rotating relatively to the guide chute 1, failure in fitting between the movable locking unit 22 and the fixed locking unit 21 can be avoided, and friction between the movable locking unit 22 and the guide chute 1 can be reduced. By restricting the rotation of the movable lock unit 22 relative to the guide chute 1, the engagement of the movable lock unit 22 and the fixed lock unit 21 can be made more reliable.
As shown in fig. 5 to 6, in some embodiments, the second position-limiting portion 12 is provided with a position-limiting groove 12a parallel to the guide chute 1, and the second position-limiting surface 22a of the movable locking unit 22 is a plane. The second limiting surface 22a of the movable locking unit 22 is in contact fit or clearance fit with the limiting groove 12a of the second limiting portion 12, so that the movable locking unit 22 and the guide chute 1 are restrained from rotating relatively.
In some embodiments, the second limiting portion 12 has the same extension as the guide chute 1, which facilitates the manufacturing or assembly. In other embodiments, the second stopper portion 12 extends longer than or equal to the stroke of the movable lock unit 22 (i.e., the movable range of the movable lock unit 22) and does not have to be the same as the extension of the guide chute 1, which can reduce the weight of the lock device 100 and save materials. In some embodiments, the second stopper portion 12 is formed integrally with the guide chute 1; in other embodiments, the second limiting portion 12 may be fixedly disposed on the guide chute 1 by post-processing methods such as welding and bolting.
As shown in fig. 2-3, 7-9, in some embodiments, the fixed locking unit 21 includes a locking shaft 211. When the movable locking unit 22 is engaged with the locking shaft 211, the movable locking unit 22 is locked with the fixed locking unit 21 in the extending direction of the through passage 200; when the movable lock unit 22 is disengaged from the lock shaft 211, the movable lock unit 22 is unlocked from the fixed lock unit 21 in the extending direction of the through passage 200. The fixed locking unit 21 is matched with the movable locking unit 22 through the locking shaft 211, and has the advantages of simple and light structure and high space utilization rate.
As shown in fig. 2-3, 7-9, in some embodiments, the fixed lock unit 21 further includes a bushing 212. The sleeve 212 is rotatably fitted over the lock shaft 211. The mobile locking unit 22 is adapted to be engaged with the locking shaft 211 through a bushing 212. By providing the rotatable sleeve 212 on the locking shaft 211, contact collision and friction generated when the movable locking unit 22 is engaged with the locking shaft 211 are effectively reduced, and the service life of the locking part 2 is improved.
As shown in fig. 2-3, in some embodiments, the fixed locking unit 21 is provided with a locking shaft 211 and the movable locking unit 22 is provided with a locking hook 221. When the locking hook 221 is engaged with the locking shaft 211, the movable locking unit 22 is locked with the fixed locking unit 21 in the extending direction of the through passage 200; when the lock hook 221 is disengaged from the lock shaft 211, the movable lock unit 22 is unlocked from the fixed lock unit 21 in the extending direction of the through passage 200. The fixed locking unit 21 and the movable locking unit 22 are matched through the matching of the locking shaft 211 and the locking hook 221, and the device has the advantages of simple and light structure and high space utilization rate.
In some embodiments, there is one guide chute 1, and a plurality of mobile locking units 22 are each movably disposed on the guide chute 1. In other embodiments, there are several guide runners 1, and each guide runner 1 is provided with at least one mobile locking unit 22.
As shown in fig. 10 and 13, in some embodiments, the locking device 100 further includes an operating handle 4. The operating handle 4 is connected to the interlocking rope 3, and the operating handle 4 is used to pull the interlocking rope 3 to drive the plurality of movement locking units 22 to move on the guide chute 1. The linkage rope 3 is pulled through the operating handle 4, so that the through passage 200 can be quickly locked and unlocked, the operation is simple, and the working efficiency of installation and maintenance of the through passage 200 is greatly improved.
As shown in fig. 13, in some embodiments, the operating handle 4 includes a linkage rope mount 41 and a handle bar 42. The linkage rope mount 41 is connected to the handle bar 42. The linkage rope mounting base 41 is fixedly connected with the linkage rope 3. The link rope mount 41 is movably disposed on the guide chute 1. The linkage rope mounting seat 41 is driven to slide through the handle rod 42, so that the linkage rope 3 is pulled, the movable locking unit 22 is driven to be matched with or separated from the fixed locking unit 21, the through passage 200 can be locked and unlocked quickly, the operation is simple, and the working efficiency of installation and maintenance of the through passage 200 is greatly improved.
As shown in fig. 13, in some embodiments, the operating handle 4 further includes a handle bar mount 43 and a link 44. The handle bar mounting seat 43 is fixedly connected with the guide chute 1. The handle bar 42 is rotatably connected to the handle bar mounting seat 43. One end of the link 44 is rotatably connected to the handle lever 42, and the other end of the link 44 is rotatably connected to the link rope mount 41. The handle rod 42, the connecting rod 44, the linkage rope mounting seat 41 and the guide chute 1 form a crank slider mechanism, and the linkage rope 3 is simply and reliably pulled through the rotation of the handle rod 42, so that the through passage 200 can be quickly locked and unlocked, and the working efficiency of installation and maintenance of the through passage 200 is greatly improved.
As shown in fig. 13, in some embodiments, the operating handle 4 further includes a handle lever positioning pin 45. The handle lever positioning pin 45 is adapted to position the handle lever 42 through the positioning hole of the handle lever 42. The handle lever 42 is positioned by the handle lever positioning pin 45, so that the locking of the fixed locking unit 21 and the movable locking unit 22 can also ensure high reliability in movement.
As shown in fig. 2, in the through passage 200 provided in the embodiment of the present invention, the connection frame group 202 includes a first butt frame 2021, a second butt frame 2022, and the locking device 100. The first butt frame 2021 and the second butt frame 2022 are fitted. One of the first butt frame 2021 and the second butt frame 2022 is fixedly connected to the bellows 201. The fixed locking unit 21 is fixedly arranged on the first butt frame 2021; the guide runner 1 of the locking device 100 is fixedly arranged on the second docking frame 2022. When the movable locking unit 22 is engaged with the fixed locking unit 21, the first and second butt frames 2021 and 2022 are locked; when the movable lock unit 22 is disengaged from the fixed lock unit 21, the first and second butt frames 2021 and 2022 are unlocked. In some embodiments, the guide chute 1 is integrally formed with the second docking frame 2022; in other embodiments, the guide chute 1 can be fixedly disposed on the second butt frame 2022 by post-processing methods such as welding and bolting.
When the first butt frame 2021 and the second butt frame 2022 need to be connected, after the first butt frame 2021 and the second butt frame 2022 are butted, the linkage rope 3 is pulled, so that the plurality of movable locking units 22 are driven to move on the guide chute 1 until the movable locking units 22 are matched with the fixed locking units 21, and the butt joint of the first butt frame 2021 and the second butt frame 2022 is locked. When the first butt frame 2021 and the second butt frame 2022 need to be untwisted, the linkage rope 3 is pulled reversely, so as to drive the plurality of movable locking units 22 to move reversely on the guide chute 1 until the movable locking units 22 are disengaged from the fixed locking units 21, and the untwisting of the first butt frame 2021 and the second butt frame 2022 is completed.
Through locking portion 2 and linkage rope 3 for through the 200 locking and unblocks of can carrying out fast, and easy operation, improved the installation of through the 200 and the work efficiency of maintaining greatly, still have simple structure lightweight, advantage that space utilization is high. Through the arrangement of the guide chute 1, the linkage rope 3 and the movable locking unit 22 can move along a specified path, so that the reliability of the locking device 100 is greatly improved, the locking device 100 can be used for a through passage with a special-shaped profile, and the application range of the locking device 100 is greatly enlarged.
As shown in fig. 2 and 9, in some embodiments, the first butt frame 2021 has a U-shaped cross section to form a first receiving groove 2021 a. The fixed locking unit 21 is fixedly disposed in the first receiving groove 2021a, and a portion of the movable locking unit 22 is located in the first receiving groove 2021 a. The first receiving groove 2021a provides a space for the movement of the movable locking unit 22 and the installation of the fixed locking unit 21, so that the connection of the first and second butt frames 2021 and 2022 is tighter, and the structure of the through passage 200 is more compact.
In some embodiments, the second docking frame 2022 has a U-shaped cross section, forming a second receiving groove (not shown). The guide runner 1 is fixedly disposed in the second receiving groove, and a portion of the movable locking unit 22 is located in the second receiving groove. The second receiving groove provides a space for the movement of the moving locking unit 22 and the installation of the guide chute 1, so that the connection of the first and second butt frames 2021 and 2022 is tighter, and the structure of the through passage 200 is more compact.
As shown in fig. 2, in some embodiments, the linking frame group 202 also includes a seal 2023. The sealing member 2023 is in contact engagement with the first docking frame 2021 and the second docking frame 2022, respectively, and seals the locking device 100. The locking device 100 is sealed by the sealing element 2023, so that the locking device 100 is effectively protected, and the service life of the locking device 100 is prolonged; the connection between the first butt frame 2021 and the second butt frame 2022 is also made tighter, so that the structure of the through passage 200 is more compact.
As shown in fig. 2 and 5-6, in some embodiments, the second docking frame 2022 is provided with two seal grooves 2022 a. Two seals 2023; one seal 2023 is disposed in one seal groove 2022a, and the other seal 2023 is disposed in the other seal groove 2022 a. The first butt frame 2021 is in contact fit with the seal 2023. When the movable locking unit 22 is matched with the fixed locking unit 21, the first butt frame 2021 and the sealing element 2023 are pressed tightly, so that the sealing between the first butt frame 2021 and the second butt frame 2022 is realized, that is, the sealing of the locking device 100 is realized, the locking device 100 is effectively protected, and the service life of the locking device 100 is prolonged. In some embodiments, the sealing groove 2022a is defined by the guide chute 1 and the second receiving groove, and the two sealing grooves 2022a are located at both sides of the guide chute 1.
In some embodiments, the seal 2023 is a flexible seal. The flexible seal 2023 makes the connection of the first docking frame 1 and the second docking frame 2 tighter, makes the structure of the through passage 100 more compact, and facilitates the fit between the movable locking unit 1 and the fixed locking unit 2.
In some embodiments, the handle bar mount 43 is fixedly mounted to the second docking frame 2022, thereby fixedly connecting with the guide chute 1.
As shown in fig. 1, at least two adjacent cars 301 of a rail vehicle 300 provided by the embodiment of the present invention are connected by a through passage 200, one of a first butt frame 2021 and a second butt frame 2022 is fixedly connected to a bellows 201, and the other of the first butt frame 2021 and the second butt frame 2022 is fixedly connected to the car 301.
Through the locking part 2 and the linkage rope 3, two adjacent carriages 301 connected with the through passage 200 can be quickly locked and unlocked, the operation is simple, the working efficiency of installation and maintenance of the through passage 200 is greatly improved, and the device also has the advantages of simple structure, light weight and high space utilization rate; through setting up direction spout 1 for linkage rope 3 and removal locking unit 22 can follow appointed route and remove, have improved the reliability of locking portion 2 greatly, still make locking portion 2 can be used to the through way 200 of special-shaped profile, have enlarged the application scope of locking portion 2 greatly.
Other constructions and operations of the locking device 100, the through-passage 200 and the rail vehicle 300 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (20)
1. A locking device for a through passage, comprising:
a guide chute;
a plurality of locking portions, each of which includes a fixed locking unit and a movable locking unit; the movable locking unit is movably arranged on the guide sliding chute;
a linkage rope connecting the plurality of moving locking units; the linkage rope is suitable for driving the movable locking unit to move, so that the movable locking unit is matched with and separated from the fixed locking unit;
when the movable locking unit is matched with the fixed locking unit, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage; when the movable locking unit is disengaged from the fixed locking unit, the movable locking unit and the fixed locking unit are unlocked in the extending direction of the through passage.
2. The locking device for a through passage according to claim 1, wherein the movable locking unit is provided with a locking hook;
when the locking hook is engaged with the fixed locking unit, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage; when the locking hook is disengaged from the fixed locking unit, the movable locking unit and the fixed locking unit are unlocked in the extending direction of the through passage.
3. The lockout device for a through passage of claim 2, wherein the lockout hook is L-shaped.
4. The locking device for a through passage according to claim 2 or 3, characterized in that the free end of the locking hook is provided with a guiding bevel.
5. The locking device for a through passage according to claim 1, wherein the moving locking unit is provided with a moving member; the moving piece is located in the guide sliding groove, and the moving surface of the moving piece is in contact fit with the inner side surface of the guide sliding groove.
6. The locking arrangement for a through passage of claim 5, wherein the moving member is a roller.
7. The locking device for the through passage according to claim 5, wherein the guide chute is provided with a first stopper portion; the first limiting surface of the moving piece is far away from the inner bottom surface of the guide sliding groove;
the first limiting part is suitable for being in contact fit with a first limiting surface of the moving piece, so that the moving locking unit is not separated from the guide sliding groove.
8. The locking device for the through passage according to claim 1, wherein the guide chute is provided with a second stopper portion; the movable locking unit is provided with a second limiting surface;
the second limiting part is matched with a second limiting surface of the movable locking unit, so that the movable locking unit is restrained from rotating relative to the guide sliding groove.
9. The locking device for a through passage of claim 1, wherein the fixed locking unit comprises a locking shaft;
when the movable locking unit is matched with the locking shaft, the movable locking unit and the fixed locking unit are locked in the extending direction of the through passage; when the movable locking unit is disengaged from the locking shaft, the movable locking unit and the fixed locking unit are unlocked in the extending direction of the through passage.
10. The locking arrangement for a through passage of claim 9, wherein the fixed locking unit further comprises a bushing; the shaft sleeve is rotatably sleeved on the locking shaft; the movable locking unit is suitable for being matched with the locking shaft through the shaft sleeve.
11. The locking device for a through passage of claim 1, wherein:
the number of the guide sliding grooves is one, and the plurality of movable locking units are movably arranged on the guide sliding grooves;
or
The guide sliding groove is provided with a plurality of guide sliding grooves, and each guide sliding groove is provided with at least one movable locking unit.
12. The lockout device for a through passage of claim 1, further comprising an operating handle; the operating handle is connected with the linkage rope and used for pulling the linkage rope so as to drive the plurality of mobile locking units to move on the guide sliding groove.
13. The lockout device for a through passage of claim 12, wherein the operating handle comprises a linkage cord mount and a handle bar; the linkage rope mounting seat is connected with the handle rod;
the linkage rope mounting seat is fixedly connected with the linkage rope; the linkage rope mounting seat is movably arranged on the guide sliding groove.
14. The lockout device for a through passage of claim 13, wherein the operating handle further comprises a handle bar mount and a linkage;
the handle bar mounting seat is fixedly connected with the guide sliding groove; the handle rod is rotatably connected with the handle rod mounting seat;
one end of the connecting rod is rotatably connected with the handle rod, and the other end of the connecting rod is rotatably connected with the linkage rope mounting seat.
15. The lockout device for a through passage of claim 13, wherein the operating handle further comprises a handle lever locating pin; the handle bar positioning pin is adapted to pass through the positioning hole of the handle bar to position the handle bar.
16. A through passage is characterized by comprising a folding shed and a connecting frame group;
the set of connection frames comprising a first docking frame, a second docking frame and a locking device according to any one of claims 1-15;
the first butt joint frame and the second butt joint frame are installed in a matched mode; one of the first butt joint frame and the second butt joint frame is fixedly connected with the folding shed; the fixed locking unit is fixedly arranged on the first butt frame; a guide chute of the locking device is fixedly arranged on the second butt-joint frame;
when the movable locking unit is matched with the fixed locking unit, the first butt joint frame and the second butt joint frame are locked; when the movable locking unit is disengaged from the fixed locking unit, the first docking frame and the second docking frame are unlocked.
17. The through-passage of claim 16, wherein the set of connection frames further comprises a seal; the sealing element is respectively in contact fit with the first butt joint frame and the second butt joint frame and seals the locking device.
18. The through passage of claim 17, wherein the second docking frame is provided with two sealing grooves; the number of the sealing parts is two; one of the sealing elements is disposed in one of the sealing grooves, and the other of the sealing elements is disposed in the other of the sealing grooves; the first butt frame is in contact fit with the seal.
19. The through-passage of claim 17, wherein the seal is a flexible seal.
20. A rail vehicle, characterized by comprising at least two cars and a through passage according to any one of claims 16-19;
at least two adjacent carriages are connected through the through passage, one of the first butt joint frame and the second butt joint frame is fixedly connected with the folding shed, and the other of the first butt joint frame and the second butt joint frame is fixedly connected with the carriages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406621.4A CN111216749B (en) | 2018-11-23 | 2018-11-23 | Locking device, through passage and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406621.4A CN111216749B (en) | 2018-11-23 | 2018-11-23 | Locking device, through passage and rail vehicle |
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| CN111216749A true CN111216749A (en) | 2020-06-02 |
| CN111216749B CN111216749B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811406621.4A Active CN111216749B (en) | 2018-11-23 | 2018-11-23 | Locking device, through passage and rail vehicle |
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|---|---|
| CN111216749B (en) | 2021-04-20 |
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