CN109421765B - Straddle type monorail train and maintenance method thereof - Google Patents
Straddle type monorail train and maintenance method thereof Download PDFInfo
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- CN109421765B CN109421765B CN201710773452.7A CN201710773452A CN109421765B CN 109421765 B CN109421765 B CN 109421765B CN 201710773452 A CN201710773452 A CN 201710773452A CN 109421765 B CN109421765 B CN 109421765B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F19/00—Wheel guards; Bumpers; Obstruction removers or the like
- B61F19/02—Wheel guards
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Abstract
The invention discloses a straddle type monorail train and a maintenance method thereof, wherein the straddle type monorail train comprises the following components: the bicycle comprises a bicycle body, wherein a mounting through hole is formed in the bicycle body; the protective cover assembly is arranged on the inner bottom wall of the vehicle body, at least one part of the protective cover assembly can rotate relative to the vehicle body to limit a rotating part, and the protective cover assembly has a first state and a second state, the protective cover assembly covers the wheels in the first state, and the rotating part rotates relative to the vehicle body in the second state to expose the travelling wheels; an electrical cabinet cover, the electrical cabinet cover housing being on and movable relative to the protective cover assembly. According to the straddle type monorail train disclosed by the invention, when the travelling wheels are replaced, the workload can be reduced, and the working efficiency can be improved.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a straddle type monorail train and a maintenance method thereof.
Background
In the related art, in order to disassemble the running wheels on the straddle-type monorail train, a large bogie separating device is firstly adopted to separate a bogie from a train body, and then wheel replacement operation is carried out below the train body. In the operation process, the vehicle body and the bogie need to be lifted to a higher distance away from the surface of the track beam to meet the space requirement of wheel replacement, and meanwhile, a large amount of wire harnesses and pipelines connected with the bogie need to be disassembled and reassembled, so that the workload is high, and the efficiency is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a straddle type monorail train, which can complete the replacement of the running wheels in a train body only by completely separating the running wheels from the rail beam surface, avoids using a huge bogie separation device, can reduce the workload and improve the working efficiency.
The invention also provides a maintenance method of the straddle monorail train.
A straddle-type monorail train according to an embodiment of the invention comprises: the device comprises a vehicle body, wherein a floor of the vehicle body is provided with an installation through hole, and a detachable travelling wheel is arranged in the installation through hole; a hood assembly disposed on an inner bottom wall of the vehicle body, at least a portion of the hood assembly being rotatable relative to the vehicle body to define a rotating portion, the hood assembly having a first state in which the hood assembly overlies the road wheels and a second state in which the rotating portion rotates relative to the vehicle body to expose the road wheels; an electrical cabinet cover that is movable over and relative to the protective cover assembly.
According to the straddle-type monorail train disclosed by the embodiment of the invention, the installation through holes are formed in the train body, the electric appliance cabinet cover can move relative to the protective cover assembly to expose the rotating part of the protective cover assembly, and then the rotating part rotates relative to the train body to expose the travelling wheels, so that the travelling wheels can be replaced in the train body only by separating the travelling wheels from the rail beam surface, a huge bogie separating device is avoided, the workload can be reduced, the working efficiency can be improved, and the electric appliance cabinet cover has the waterproof and dustproof effects, so that the reliability of the straddle-type monorail train can be further improved.
In some embodiments of the present invention, a sliding rail is disposed on the inner bottom wall of the vehicle body, and a pulley slidably engaged with the sliding rail is disposed on the electrical cabinet cover.
In some embodiments of the invention, the electrical enclosure comprises a first enclosure body and a second enclosure body that move relative to each other.
Specifically, the straddle-type monorail train further comprises a first locking mechanism, the first locking mechanism is matched with the first cabinet body and the second cabinet body respectively, and the first cabinet body and the second cabinet body can move relatively when the first locking mechanism is unlocked.
Specifically, the first lock mechanism includes: the positioning plate is arranged on one of the first cabinet body and the second cabinet body and provided with an assembling hole; the driving piece is rotatably arranged in the assembling hole in a penetrating way; the locking plate, the locking plate is established the first end of driving piece in order by the driving piece drive rotates, the locking plate with first cabinet cover body with another cooperation or break away from in the second cabinet cover body.
Specifically, be equipped with one of them in constant head tank and the locating hole on the terminal surface of locating plate, the driving piece includes: the first part is rotatably and movably arranged in the assembling hole in a penetrating way; the second part is arranged on one side of the positioning plate and provided with the other one of the positioning groove and the positioning hole, the positioning hole is matched with or separated from the positioning groove, the second part is matched with the first part, the first part moves to drive the second part to move synchronously, and the locking plate is arranged on one end, far away from the positioning plate, of the second part through a connecting piece; and two ends of the first elastic piece respectively abut against the second part and the lock piece and normally push the second part to move towards the positioning plate.
Specifically, the first elastic element is a spring sleeved on the connecting element.
Optionally, the periphery wall of first portion is equipped with the draw-in groove, be equipped with the mating holes in the second portion, the internal perisporium of mating holes is equipped with and stretches into the fixture block in the draw-in groove.
In some embodiments of the present invention, the protective cover assembly includes a first cover fixed to the vehicle body and a second cover rotatably provided on the vehicle body with respect to the first cover.
Specifically, a sealing element is arranged on an end face of the first cover body, which is matched with the second cover body, and/or an end face of the second cover body, which is matched with the first cover body.
Optionally, the first cover is detachably fixed to the vehicle body.
In some embodiments of the invention, the straddle monorail train further comprises a second locking mechanism having a locked state and an unlocked state, wherein the second locking mechanism cooperates with the rotating portion to position the protective cover assembly in the first state.
Specifically, the protective cover assembly further comprises: the bracket is positioned on the outer side of the rotating part, and two ends of the rotating shaft are respectively and rotatably arranged on the bracket and the rotating part; in the locked state, the second locking mechanism is matched with the rotating shaft to limit the rotational degree of freedom of the rotating shaft, and in the unlocked state, the second locking mechanism is separated from the rotating shaft.
Specifically, the second locking mechanism includes: the support is arranged on the outer side of the rotating part; the locking block is movable relative to the support, a third elastic piece is arranged between the locking block and the support, the third elastic piece pushes the locking block towards the direction far away from the support, a locking hole is formed in the locking block, and a locking hook extending into or out of the locking hole is arranged on the rotating shaft; the push rod assembly is arranged on one side, far away from the support, of the locking block and is connected with the locking block, and the push rod assembly can move towards the locking block to enable the locking hook to be disengaged from the locking hole.
Specifically, the push rod assembly includes: two panels which can move relatively; the two ends of the second elastic piece are respectively connected with the two panels, and the second elastic piece always pulls the two panels to move towards each other; the switch piece comprises a rotating part and a pushing part, two ends of the pushing part are respectively contacted with the two panels, and the rotating part is connected with the pushing part to drive the pushing part to rotate so as to push the panels to be far away from each other; and the two ends of the push rod are respectively connected with the panel and the locking block.
Specifically, the support and the locking block are arranged on two sides of the rotating part, the rotating shaft is connected between each support and the rotating part, each rotating shaft is matched with the locking block through the locking hook, and the push rods are arranged on the two panels.
According to the maintenance method of the straddle type monorail train provided by the embodiment of the invention, the straddle type monorail train is the straddle type monorail train, and the maintenance method comprises the following steps: lifting the straddle type monorail train off a track beam to separate the traveling wheels from the track beam; controlling the electric appliance cabinet cover to move so that the rotating part is exposed; controlling the rotating part to rotate so as to expose the walking wheels; and taking out the walking wheels from the vehicle body.
According to the maintenance method of the straddle-type monorail train provided by the embodiment of the invention, the electric appliance cabinet cover is controlled to move to expose the rotating part, the rotating part is controlled to rotate to expose the travelling wheels, and the travelling wheels can be replaced in the train body only by lifting the straddle-type monorail train away from the track beam to separate the travelling wheels from the track beam, so that the workload can be reduced and the working efficiency can be improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic plan view of a protective cover assembly according to an embodiment of the invention;
FIG. 2 is a perspective view of a protective cover assembly according to an embodiment of the invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a rear view of a protective cover assembly according to an embodiment of the invention;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is a schematic illustration of the engagement of a holder and a locking block according to an embodiment of the invention;
FIG. 7 is a schematic view of the second locking mechanism and the shaft in accordance with an embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
fig. 9 is a schematic structural view of the second cover when locked according to the embodiment of the present invention.
FIG. 10 is a schematic diagram of the configuration of the protective cover assembly in cooperation with an electrical cabinet assembly according to an embodiment of the present invention;
FIG. 11 is an enlarged view of a portion of FIG. 10 at D;
FIG. 12 is an exploded view of a first locking mechanism according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of the straddle monorail train during maintenance according to the embodiment of the invention.
Reference numerals:
a straddle monorail train 100;
a vehicle body 1; a slide rail 11; a mounting through-hole 12;
a shield assembly 2; a first cover 21; a second cover 22; a guide 221; a bracket 23; a rotating shaft 24; a latch hook 241;
a second lock mechanism 3; a support 31; a lock block 32; the locking hole 32 a; a push rod assembly 33; a panel 331; the second elastic member 332; a switching piece 333; a rotating portion 3331; the pushing portion 3332; a push rod 334; a third elastic member 34; a bolt shaft 35; a guide slider 36;
an electric appliance cabinet cover 4; a first cabinet body 41; a second cabinet body 42;
a first lock mechanism 5; a positioning plate 51; a driver 52; a first portion 521; a card slot 521 a; a second portion 522; a positioning groove 522 a; mating holes 522 b; a first elastic member 523; the locking piece 53; a connecting member 54;
a seal 6; a running wheel 7; a jack 200; the track beam 300.
Detailed Description
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 "lateral," "length," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. 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; can be mechanically or electrically connected; 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.
Referring to fig. 1 to 13, a straddle-type monorail car 100 according to an embodiment of the invention is described, and the straddle-type monorail car 100 is mounted on a track beam 300 and can run along the track beam 300, thereby achieving a transportation function.
The straddle-type monorail train 100 according to the embodiment of the invention can comprise a train body 1, a bogie (not shown), a protective cover assembly 2 and an electrical cabinet cover 4, wherein the electrical cabinet cover 4 is used for covering an electrical structure.
Specifically, the vehicle body 1 is provided with a mounting through hole 12. For example, the vehicle body 1 is formed in a hollow structure, the vehicle body 1 includes a cabin and a floor, the floor of the vehicle body 1 is provided with a mounting through hole 12, and the mounting through hole 12 may be formed in a rectangular shape, a circular shape, or an oval shape.
The bogie is mounted below the vehicle body 1, in other words, the bogie is mounted below the floor of the vehicle body 1.
The bogie comprises a framework and a traveling wheel 7, wherein the traveling wheel 7 is arranged on the framework, and a part of the traveling wheel 7 penetrates through the mounting through hole 12 and is positioned in the vehicle body 1. For example, the running wheels 7 are connected to a drive shaft on the frame, the running wheels 7 are exposed on the frame, and a part of the running wheels 7 passes through a mounting through hole 12 on the floor. Under the action of the driving shaft, the travelling wheels 7 can drive the straddle monorail train 100 to move.
Specifically, the protective cover assembly 2 is provided on the inner bottom wall of the vehicle body 1 and covers the running wheels 7, in other words, the protective cover assembly 2 is provided on the floor of the vehicle body 1 and covers the running wheels 7, and the main function of the protective cover assembly 2 is to insulate the running wheels 7 to achieve in-vehicle sealing.
At least a portion of the hood assembly 2 is rotatable relative to the vehicle body 1 to define a rotating portion. In other words, it is possible that a part of the hood assembly 2 is rotatable with respect to the vehicle body 1 to define a rotating portion, or it is also possible that the hood assembly 2 is integrally rotatable with respect to the vehicle body 1 to define a rotating portion.
The shield assembly 2 has a first state in which the shield assembly 2 is externally shielded on the running wheels 7 and a second state in which the rotating portion rotates relative to the vehicle body 1 to expose the running wheels 7.
An electrical cabinet cover 4 is housed on the protective cover assembly 2 and is movable relative to the protective cover assembly 2. For example, the appliance cabinet cover 4 may be movable as a whole relative to the protective cover assembly 21, or a portion of the appliance cabinet cover 4 may be movable relative to the protective cover assembly 21, so long as the protective cover assembly 21 is exposed.
In particular, when there is no need to service the components inside the protective cover assembly 2, the protective cover assembly 2 is brought to a first state, i.e. the protective cover assembly 2 covers the running wheels 7; when the components in the protective cover assembly 2 need to be overhauled, the electric appliance cabinet cover 4 is firstly moved, the protective cover assembly 2 is in the second state, namely the rotating part rotates relative to the vehicle body 1 to enable the walking wheels 7 to be exposed, the overhauling is further facilitated, and after the overhauling is completed, the protective cover assembly 2 returns to the first state.
When the running wheels 7 are replaced, the straddle monorail train 100 can be lifted off the track beam by using a jack to separate the running wheels 7 from the track beam, then the electric appliance cabinet cover 4 is controlled to move to expose the rotating part, then the rotating part is controlled to rotate relative to the train body 1 to expose the running wheels 7, and finally the replacement of the running wheels 7 is completed in the train body 1.
According to the straddle-type monorail train 100 disclosed by the embodiment of the invention, the installation through holes 12 are formed in the train body 1, the electric appliance cabinet cover 4 can move relative to the protective cover assembly 2 to expose the rotating part of the protective cover assembly 1, and then the rotating part rotates relative to the train body 1 to expose the travelling wheels 7, so that the travelling wheels 7 can be replaced in the train body 1 only by separating the travelling wheels 7 from the rail beam surface, a huge bogie separating device is avoided, the workload can be reduced, the working efficiency can be improved, the electric appliance cabinet cover 4 has the waterproof and dustproof effects, and the reliability of the straddle-type monorail train 100 can be further improved.
In some embodiments of the present invention, the inner bottom wall of the car body 1 is provided with a sliding rail 11, and the electrical cabinet cover 4 is provided with a pulley slidably engaged with the sliding rail 11. From this, electric appliance cabinet cover 4 can remove protection casing subassembly 1 relatively through the cooperation of pulley and slide rail 11 to through setting up pulley and slide rail 11, can reduce the wearing and tearing between electric appliance cabinet cover 4 and the automobile body 1, be convenient for remove electric appliance cabinet cover 4.
In some embodiments of the invention, the electrical cabinet housing 4 comprises a first and a second cabinet housing 41, 42 that move relative to each other. For example, the first cabinet body 41 is fixed to the vehicle body 1, and the second cabinet body 42 is movable relative to the first cabinet body 41; for another example, the second cabinet body 42 is fixed on the vehicle body 1, and the first cabinet body 41 can move relative to the second cabinet body 42; for another example, the first enclosure body 41 and the second enclosure body 42 are both movable.
Specifically, the straddle monorail car 100 further comprises: the first locking mechanism 5, the first locking mechanism 5 is respectively matched with the first cabinet body 41 and the second cabinet body 42, and the first cabinet body 41 and the second cabinet body 42 can move relatively when the first locking mechanism 5 is unlocked. Therefore, by arranging the first locking mechanism 5, the first cabinet cover body 41 and the second cabinet cover body 42 can be switched between a locking state and an unlocking state, the sealing performance of the electric appliance cabinet cover 4 can be ensured, and the electric appliance cabinet cover 4 is prevented from moving due to misoperation.
Specifically, the first lock mechanism 5 includes a positioning plate 51, a driving member 52, and a lock plate 53.
Further, a positioning plate 51 is provided on one of the first cabinet body 41 and the second cabinet body 42, and a fitting hole is provided on the positioning plate 51. For example, the positioning plate 51 is formed in a rectangular parallelepiped, the positioning plate 51 may be fixed to the first cabinet body 41 or the second cabinet body 42 by welding, and the fitting hole penetrates the positioning plate 51 and is formed as a light hole.
The driving member 52 is rotatably disposed in the mounting hole, so that the driving member 52 can be controlled to rotate relative to the positioning plate 51.
A locking piece 53 is provided at a first end of the driving piece 52 to be rotated by the driving piece 52, and the locking piece 53 is engaged with or disengaged from the other of the first cabinet body 41 and the second cabinet body 42. For example, a first end of the driving member 52 is provided with a screw thread, the locking piece 53 is provided with a connecting hole, and a first end of the driving member 52 passes through the connecting hole and fixes the locking piece 53 to the driving member 52 by the screw thread connection. The positioning plate 51 may be fixed on the first cabinet body 41, and the locking plate 53 may be engaged with or disengaged from the second cabinet body 42, or the positioning plate 51 may be fixed on the second cabinet body 42, and the locking plate 53 may be engaged with or disengaged from the second cabinet body 42. From this, through setting up first locking mechanism 5, can realize the effective switching of the two kinds of states of closing and opening of electrical cabinet cover 4, avoid the maloperation and make electrical cabinet cover 4 open.
Specifically, one of the positioning groove 522a and the positioning hole is provided on an end surface of the positioning plate 51. For example, when the positioning slot 522a is provided on the end surface of the positioning plate 51, the positioning hole matching with the positioning slot 522a is provided on the end surface of the driving member 52 contacting with the positioning plate 51. Alternatively, when the positioning hole is formed in the end surface of the positioning plate 51, the end surface of the driving member 52 contacting the positioning plate 51 is provided with the positioning groove 522a matching with the positioning hole. When the positioning slot 522a is engaged with the positioning hole, the driving member 52 cannot rotate relative to the fixing plate.
Specifically, the driving member 52 includes a first portion 521, a second portion 522, and a first elastic member 523.
The first portion 521 is rotatably and movably disposed in the mounting hole. In other words, the first portion 521 can not only rotate relative to the positioning plate 51, but also move relative to the positioning plate 51.
The second portion 522 is provided with the other one of the positioning slot 522a and the positioning hole, which is engaged with or disengaged from the positioning slot 522a, for example, the positioning hole is provided on the end surface of the positioning plate 51, and the positioning slot 522a is correspondingly provided on the driving member 52, and when the first locking mechanism 5 is in a normal state, the positioning hole is engaged with the positioning slot 522a, and when the first locking mechanism is unlocked, the positioning hole is disengaged from the positioning slot 522 a.
Further, the second portion 522 is matched with the first portion 521, the first portion 521 moves to drive the second portion 522 to move synchronously, and the locking plate 53 is disposed at one end of the second portion 522 far away from the positioning plate 51 through the connecting member 54. For example, the first portion 521 and the second portion 522 are engaged through the axle hole, the first portion 521 can drive the second portion 522 to rotate and move, the connecting member 54 is specifically a connecting bolt, and the locking plate 53 is fixed on an end of the second portion 522 away from the positioning plate 51 through the connecting bolt.
The two ends of the first elastic member 523 respectively abut against the second portion 522 and the locking plate 53 and normally push the second portion 522 to move toward the positioning plate 51. Therefore, when the first locking mechanism 5 is in a normal state, the first elastic member 523 keeps the positioning slot 522a and the positioning hole in a matching state, so that the driving member 52 cannot rotate relative to the positioning plate 51, and the reliability of the first locking mechanism 5 is improved.
Specifically, the first elastic member 523 is a spring externally fitted to the connecting member 54, whereby the reliability of the first lock mechanism 5 can be improved.
Optionally, the outer peripheral wall of the first portion 521 is provided with a locking groove 521a, the second portion 522 is provided with a fitting hole 522b, and the inner peripheral wall of the fitting hole 522b is provided with a locking block extending into the locking groove 521 a. Therefore, through the matching of the engaging slot 521a and the engaging hole 522b, the first portion 521 can not only drive the second portion 522 to rotate, but also drive the second portion 522 to move relative to the positioning plate 51.
When the electrical cabinet cover 4 needs to be moved, the first portion 521 is firstly pushed, the first portion 521 drives the second portion 522 to move and compress the first elastic member 523 through the matching of the fixture block and the clamping groove 521a, so that the positioning groove 522a is disengaged from the positioning hole, then the first portion 521 is rotated and drives the locking plate 53 to rotate so as to realize unlocking, and at the moment, the first locking mechanism 5 resets after the first portion 521 is released. This simplifies the operation and further improves the practicability of the first lock mechanism 5.
In some embodiments of the present invention, the protective cover assembly 2 includes a first cover 21 and a second cover 22, the first cover 21 is fixed on the vehicle body 1, and the second cover 22 is rotatably provided on the vehicle body 1 relative to the first cover 21. For example, as shown in fig. 1, the first cover 21 is fixed to the inner bottom wall of the vehicle body 1, and the second cover 22 is provided on the inner bottom wall of the vehicle body 1 to be rotatable with respect to the first cover 21.
Specifically, the end surface of the first cover 21 that mates with the second cover 22 and/or the end surface of the second cover 22 that mates with the first cover 21 is provided with a sealing member 6. For example, the seal 6 is provided on the end surface of the first cover 21 that engages with the second cover 22, and the seal 6 is not provided on the end surface of the second cover 22 that engages with the first cover 21. For another example, the end surface of the first cover 21 that engages with the second cover 22 is not provided with the sealing member 6, and the end surface of the second cover 22 that engages with the first cover 21 is provided with the sealing member 6. For another example, the end surface of the first cover 21 that engages with the second cover 22 and the end surface of the second cover 22 that engages with the first cover 21 are both provided with the sealing member 6. Thereby increasing the sealing of the shield assembly 2 in the first state.
Alternatively, the first cover 21 may be detachably fixed to the vehicle body 1. For example, the first cover 21 may be detachably attached to the vehicle body 1 by a bolt and nut structure. Thus, when the movable second cover 22 fails, the traveling wheels 7 can be replaced by detaching the fixed first cover 21, and the reliability of the protective cover assembly 2 can be further improved.
In some embodiments of the invention, the straddle monorail car 100 further comprises a second locking mechanism 4, the second locking mechanism 4 having a locked state and an unlocked state, in which the second locking mechanism 4 cooperates with the rotating part to position the protective cover assembly 2 in the first state. From this, through setting up second locking mechanism 4, can realize the effective switching of the first state and the second state of protection casing subassembly 2, can guarantee the leakproofness of the protection casing subassembly 2 that is in the first state simultaneously, avoid the maloperation and make walking wheel 7 expose.
Specifically, the protective cover assembly 2 further comprises: a bracket 23 and a rotating shaft 24, the bracket 23 is positioned at the outer side of the rotating part, and both ends of the rotating shaft 24 are respectively and rotatably arranged on the bracket 23 and the rotating part. For example, as shown in fig. 1 and 2, a bracket 23 is installed on an inner bottom wall of the vehicle body 1 at an outer side of the rotating portion, and both ends of a rotating shaft 24 may be hinged to the bracket 23 and the rotating portion, respectively.
In the locked state, the second locking mechanism 4 is engaged with the rotating shaft 24 to restrict the degree of freedom of rotation of the rotating shaft 24, and in the unlocked state, the second locking mechanism 4 is disengaged from the rotating shaft 24. In other words, the rotating shaft 24 is provided with a locking portion engaged with the second locking mechanism 4, the degree of freedom of rotation of the rotating shaft 24 can be limited by the engagement of the second locking mechanism 4 and the locking portion, and in the unlocked state, the locking portion is disengaged from the rotating shaft 24, and the rotating portion can rotate around the bracket 23 via the rotating shaft 24. Thereby simplifying the mating relationship between the second locking mechanism 4 and the shield assembly 2.
Specifically, the second lock mechanism 4 includes a holder 31, a lock block 32, and a push rod assembly 33, and the holder 31 is provided outside the rotating portion. For example, as shown in fig. 1, 2, 4, and 9, the mount 31 is fixed to an inner bottom wall of the vehicle body 1 and provided outside the rotating portion.
The locking block 32 is movable relative to the support 31, a third elastic member 34 is arranged between the locking block 32 and the support 31, the third elastic member 34 pushes the locking block 32 in a direction away from the support 31, a locking hole 32a is formed in the locking block 32, and a locking hook 241 extending into or out of the locking hole 32a is arranged on the rotating shaft 24. For example, the support 31 is provided with an installation shaft, the locking block 32 is provided with an installation hole matched with the installation shaft, the installation shaft passes through the installation hole and is fixed on the support 31, the third elastic member 34 is sleeved on the installation shaft and is located between the locking block 32 and the support 31, the locking hole 32a is arranged at the center position of the locking block 32, when the locking hook 241 on the rotating shaft 24 extends into the locking hole 32a, the rotation freedom degree of the rotating shaft 24 can be limited, when the locking hook 241 extends out of the locking hole 32a, the limitation on the rotating shaft 24 is removed, and the rotating part can rotate around the support 23 through the rotating shaft 24.
Push rod assembly 33 is disposed on a side of lock block 32 away from holder 31 and connected to lock block 32, and push rod assembly 33 is movable toward lock block 32 to disengage lock hook 241 from lock hole 32 a. For example, as shown in fig. 1, 2, 4 and 9, the push rod assembly 33 is disposed on the rotating portion and can move laterally on the rotating portion, when the push rod assembly 33 moves in a direction away from the rotating portion, one end of the push rod assembly 33 abuts against the side wall of the locking block 32 facing the rotating portion to drive the locking block 32 to move and compress the third elastic member 34, and when the locking block 32 moves for a certain distance to disengage the locking hook 241 from the locking hole 32a, the rotating shaft 24 can be rotated to rotate the rotating portion relative to the vehicle body 1 to expose the running wheels 7. Thereby making the structure of the second locking mechanism 4 simple.
Of course, it is understood that push rod assembly 33 is not limited to this, and push rod assembly 33 may be provided on vehicle body 1 and movable laterally on vehicle body 1, and push rod assembly 33 is provided on a side of lock block 32 remote from support 31 and fixedly connected to lock block 32, and when push rod assembly 33 is moved toward lock block 32 to disengage lock hook 241 from lock hole 32a, the rotating portion rotates relative to vehicle body 1 and bypasses push rod assembly 33 to expose travel wheel 7.
Specifically, the push rod assembly 33 includes two panels 331 that are relatively movable, a second elastic member 332, a switch member 333, and a push rod 334. For example, two panels 331 may be disposed in parallel, each panel 331 may be formed in a rectangular parallelepiped shape, each panel 331 is connected to one end of the push rod 334, and the movement of the panel 331 drives the movement of the push rod 334.
The second elastic member 332 is connected to the two panels 331 at both ends thereof, and the second elastic member 332 always pulls the two panels 331 toward each other. For example, the second elastic member 332 may be provided in plural, for example, two, four or six, and the second elastic member 332 may be a spring.
The switch 333 includes a rotating part 3331 and a pushing part 3332, both ends of the pushing part 3332 are respectively in contact with the two panels 331, and the rotating part 3331 and the pushing part 3332 are connected to drive the pushing part 3332 to rotate to push the panels 331 away from each other. For example, the rotating portion 3331 may be a knob, and the pushing portion 3332 may be formed in an elongated shape, and in particular, a sliding groove adapted to the switch member 333 is provided at a side of each of the panels 331 facing the switch member 333.
The push rod 334 has both ends connected to the panel 331 and the locking block 32, respectively. For example, as shown in fig. 4 and 5, the push rod 334 is horizontally installed on the rotating portion, when the switch member 333 is rotated clockwise, the two ends of the push portion 3332 push the panel 331 away from each other to make the push rod 334 move laterally, then the other end of the push rod 334 abuts against the side wall of the locking block 32 facing the rotating portion to drive the locking block 32 to move, when the locking block 32 moves to the state that the locking hook 241 can be disengaged from the locking hole 32a, the rotating shaft 24 can be rotated to make the rotating portion rotate relative to the vehicle body 1 to expose the running wheels 7, and at this time, the push rod assembly 33 automatically resets under the pulling force of the second elastic member 332, thereby simplifying the operation and improving the practicability of the second locking mechanism 4.
Further, the two sides of the rotating part are provided with a bracket 23, a support 31 and a locking block 32, a rotating shaft 24 is connected between each bracket 23 and the rotating part, each rotating shaft 24 is matched with the locking block 32 through a locking hook 241, and push rods 334 are arranged on the two panels 331. Therefore, not only the reliability of locking of the shield assembly 2 in the first state is improved, but also the stability of the rotation of the rotating part of the shield assembly 2 in the first state under the action of the rotating shaft 24 is improved.
In some embodiments of the present invention, the locking mechanism 3 further includes a guide member 221 for guiding the moving direction of the push rod 334, wherein the guide member 221 may be provided on the rotating portion or the vehicle body 1, and in the example of fig. 2, 4 and 9, the guide member 221 is plural and is spaced along the length direction of the push rod 334.
According to the maintenance method of the straddle-type monorail train 100 of the embodiment of the invention, the straddle-type monorail train 100 is the straddle-type monorail train 100 of the embodiment of the invention, and the maintenance method comprises the following steps: lifting the straddle monorail train 100 off the track beam to disengage the running wheels 7 from the track beam; controlling the electric appliance cabinet cover 4 to move to expose the rotating part; controlling the rotating part to rotate so as to expose the running wheels 7; and taking out the running wheels 7 from the vehicle body 1.
When maintenance work is performed, the jack 200 can be used to lift the straddle-type monorail train 100 off the track beam 300 to disengage the running wheels 7 from the track beam 300, then the electric cabinet cover 4 is controlled to move to expose the moving portion, then the rotating portion is controlled to rotate relative to the train body 1 to expose the running wheels 7, and finally the running wheels 7 are replaced in the train body 1.
After the maintenance work is completed, the turning part is first returned to the inner bottom wall of the vehicle body 1, then the electric cabinet cover 4 is locked to restrict the freedom of movement thereof, and finally the jack 200 is removed to return the straddle monorail train 100 to the working position of the track beam 300.
According to the maintenance method of the straddle-type monorail train 100 provided by the embodiment of the invention, the electric appliance cabinet cover 4 is controlled to move to expose the rotating part, the rotating part is controlled to rotate to expose the travelling wheels 7, and the straddle-type monorail train 100 is lifted away from the track beam to separate the travelling wheels 7 from the track beam, so that the travelling wheels 7 can be replaced in the train body 1, and therefore, the workload can be reduced and the working efficiency can be improved.
The detailed structure of the straddle monorail train 100 and the maintenance method thereof according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 13. It is to be understood, of course, that the following description is intended to illustrate the invention and not to limit the invention.
The straddle-type monorail train 100 according to the embodiment of the invention can comprise a train body 1, a bogie, a protective cover assembly 2, a second locking mechanism 3, an electric cabinet cover 4 and a first locking mechanism 5.
Specifically, the vehicle body 1 has a hollow structure, the vehicle body 1 includes a cabin and a floor, and the floor of the vehicle body 1 is provided with an installation through hole 12.
The bogie comprises a framework and a traveling wheel 7, wherein the traveling wheel 7 is arranged on the framework, and a part of the traveling wheel 7 penetrates through the mounting through hole 12 and is positioned in the vehicle body 1.
An electrical cabinet cover 4 is housed on the protective cover assembly 2 and is movable relative to the protective cover assembly 2. Specifically, the inner bottom wall of the vehicle body 1 is provided with a slide rail 11, and the electrical cabinet cover 4 is provided with a pulley which is in sliding fit with the slide rail 11.
The electrical cabinet cover 4 comprises a first cabinet cover body 41 and a second cabinet cover body 42, specifically, the first cabinet cover body 41 is fixed on the vehicle body 1, the second cabinet cover body 42 is connected with a pulley through a square tube, a sliding rail 11 is arranged on the inner bottom wall of the vehicle body 1, and the second cabinet cover body 42 can slide on the sliding rail 11.
As shown in fig. 11 and 12, the first latch mechanism 5 includes a positioning plate 51, an actuating member 52, a locking piece 53, and a first elastic member 523.
The positioning plate 51 is arranged on the second cabinet body 42, an assembly hole is arranged on the positioning plate 51, the driving part 52 is rotatably arranged in the assembly hole in a penetrating way, the locking plate 53 is arranged at the first end of the driving part 52 to be driven by the driving part 52 to rotate, and the locking plate 53 is matched with or separated from the other one of the first cabinet body 41 and the second cabinet body 42.
Specifically, the positioning plate 51 is provided with a positioning hole, the driving member 52 includes a first portion 521 and a second portion 522, the first portion 521 is rotatably and movably disposed in the mounting hole, and the second portion 522 is disposed at one side of the positioning plate 51.
The second portion 522 is provided with a positioning slot 522a, the positioning slot 522a is formed as a cross-shaped protrusion, the corresponding positioning hole is formed as a cross-shaped inner hole, and the positioning hole can be matched with or separated from the positioning slot 522 a.
The second portion 522 is matched with the first portion 521, the first portion 521 moves to drive the second portion 522 to move synchronously, and the locking plate 53 is arranged at one end of the second portion 522 far away from the positioning plate 51 through the connecting piece 54.
The two ends of the first elastic member 523 respectively abut against the second portion 522 and the locking plate 53 and normally push the second portion 522 to move toward the positioning plate 51, and specifically, the first elastic member 523 is a spring sleeved on the connecting member 54.
Specifically, the outer peripheral wall of the first portion 521 is provided with a clamping groove 521a, the second portion 522 is provided with a matching hole 522b, and the inner peripheral wall of the matching hole 522b is provided with a clamping block extending into the clamping groove 521 a.
As shown in fig. 10 to 12, when the electrical cabinet cover 4 needs to be moved, the first portion 521 is pushed, the first portion 521 drives the second portion 522 to move and compress the first elastic member 523 through the cooperation of the fixture block and the fixture slot 521a, so that the positioning slot 522a is disengaged from the positioning hole, then the first portion 521 is rotated by 90 ° and drives the locking plate 53 to rotate by 90 ° to realize unlocking, and at this time, when the first portion 521 is released, the first locking mechanism 5 is reset under the elastic force of the first elastic member 523. This simplifies the operation and improves the practicability of the first lock mechanism 5.
The hood assembly 2 includes a first hood 21, a second hood 22, four brackets 23, and four rotating shafts 24, the first hood 21 being fixed to the floor of the vehicle body 1, and the second hood 22 being rotatably provided on the floor of the vehicle body 1 with respect to the first hood 21. Thus, the hood assembly 2 has a first state in which the hood assembly 2 covers the running wheels 7, and a second state in which the second hood 22 rotates relative to the vehicle body 1 to expose the running wheels 7.
An electrical cabinet cover 4 is housed on the protective cover assembly 2 and is movable relative to the protective cover assembly 2. Specifically, the inner bottom wall of the vehicle body 1 is provided with a slide rail 11, and the electrical cabinet cover 4 is provided with a pulley which is in sliding fit with the slide rail 11.
As shown in fig. 2, 4 and 9, the four brackets 23 are respectively located two by two outside the second cover 22, and both ends of each rotating shaft 24 are respectively hinged to the brackets 23 and the second cover 22. The second locking mechanism 4 has a locked state in which the second locking mechanism 4 cooperates with the rotating shaft 24 to limit the rotational degree of freedom of the second cover 22 to position the protective cover assembly 2 in the first state, and an unlocked state. In the unlocked state, the second lock mechanism 4 is disengaged from the rotating shaft 24.
Specifically, the end surface of the first cover 21 that is engaged with the second cover 22 and the end surface of the second cover 22 that is engaged with the first cover 21 are both provided with a sealing sponge. The end face of the second cover body 22, which is matched with the first cover body 21, is provided with a flange, and a sealing sponge is arranged in the flange. In the locked state, the end surface of the first cover 21 that engages with the second cover 22 can be accommodated in the flange.
Further, the second locking mechanism 4 includes a holder 31, a lock block 32, a bolt shaft 35, a guide slider 36, a third elastic member 34, and a push rod assembly 33. The support 31 is fixed on the vehicle body 1 and located outside the second cover 22, a through hole is formed in the support 31, the bolt shaft 35 penetrates through the through hole and is fixed on the support 31, the third elastic member 34 is sleeved on the bolt shaft 35, one end of the third elastic member 34 abuts against the support 31, and the other end of the third elastic member abuts against the locking block 32.
The guide slider 36 is fixed on the vehicle body 1, the guide slider 36 is provided with a T-shaped sliding groove and is matched with a T-shaped protrusion arranged on the locking block 32, therefore, the locking block 32 can move relative to the support 31, and the third elastic piece 34 always pushes the locking block 32 towards the direction far away from the support 31.
Specifically, a locking hole 32a is formed in the center of the locking block 32, a locking hook 241 matched with the locking hole 32a is formed on the rotating shaft 24, and a protrusion is formed on the locking hook 241 and extends towards a direction away from the second cover 22.
Push rod assembly 33 is disposed on a side of lock block 32 away from support 31 and is connectable to lock block 32, and push rod assembly 33 is movable toward lock block 32 to disengage lock hook 241 from lock hole 32 a.
Specifically, the push rod assembly 33 includes two panels 331 that are relatively movable, a second elastic member 332, a switch member 333, and a push rod 334. The two ends of the second elastic member 332 are respectively connected to the two panels 331, the second elastic member 332 always pulls the two panels 331 to move towards each other, and the second elastic member 332 is two springs arranged up and down as shown in fig. 5, thereby improving the structural stability.
The switch 333 includes a rotating portion 3331 and a pushing portion 3332, the rotating portion 3331 is a knob, the pushing portion 3332 is formed in a strip shape, the corresponding panels 331 are provided with sliding slots, two ends of the pushing portion 3332 are respectively slidable in the sliding slots of the two panels 331, and the rotating portion 3331 and the pushing portion 3332 are fixedly connected to drive the pushing portion 3332 to rotate and further push the panels 331 to be far away from each other.
The push rod 334 is horizontally installed on the second housing 22, and one end of the push rod 334 is fixedly connected with the panel 331. When the switch 333 is rotated clockwise, the two ends of the pushing part 3332 push the panels 331 away from each other to make the push rod 334 move laterally, then the other end of the push rod 334 abuts against the side wall of the locking block 32 facing the rotating part to drive the locking block 32 to move and compress the second elastic member 332, when the locking block 32 moves to the position where the locking hook 241 can be disengaged from the locking hole 32a, the rotating shaft 24 can be rotated to make the rotating part rotate relative to the vehicle body 1 to expose the running wheels 7, and at this time, the push rod 33 automatically resets under the pulling force of the second elastic member 332, thereby simplifying the operation and improving the practicability of the second locking mechanism 4.
When maintenance work is carried out, the jack 200 can be used for lifting the straddle monorail train 100 away from the track beam 300 so as to separate the travelling wheels 7 from the track beam 300, the first part 521 is firstly pushed, the first part 521 drives the second part 522 to move and compress the first elastic piece 523 through the matching of the clamping block and the clamping groove 521a, then the positioning groove 522a is separated from the matching of the positioning hole, then the first part 521 is rotated and drives the locking piece 53 to rotate so as to realize unlocking, and finally the second cabinet body 42 is moved so as to expose the protective cover assembly 2.
Then, the switch member 333 is rotated clockwise, the two ends of the pushing portion 3332 push the panels 331 away from each other to make the push rod 334 move laterally, and then the other end of the push rod 334 abuts against the side wall of the locking block 32 facing the rotating portion to drive the locking block 32 to move and compress the second elastic member 332, when the locking block 32 moves to the position where the locking hook 241 can be disengaged from the locking hole 32a, the rotating shaft 24 can be rotated to make the rotating portion rotate relative to the vehicle body 1 to expose the traveling wheels 7, so as to perform maintenance work.
After the maintenance work is completed, the second cover 22 is first returned to the inner bottom wall of the vehicle body 1, the locking hook 241 cooperates with the rotating shaft 24 to limit the freedom of rotation of the rotating shaft 24 and lock the second cover 22 along with the return of the rotating shaft 24, then the second cover 42 is returned and the first locking mechanism 5 is switched to the locking state to limit the freedom of movement of the second cover 42, and finally the jack 200 is removed to return the straddle monorail train 100 to the working position of the track beam 300.
Other constructions of the straddle monorail car 100 according to the embodiments of the present invention, such as the drive device, etc., and the operation thereof, 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 "some embodiments" or the like are intended to 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 (17)
1. A straddle monorail car comprising:
the device comprises a vehicle body, wherein a floor of the vehicle body is provided with an installation through hole, and a detachable travelling wheel is arranged in the installation through hole;
a hood assembly disposed on an inner bottom wall of the vehicle body, at least a portion of the hood assembly being rotatable relative to the vehicle body to define a rotating portion, the hood assembly having a first state in which the hood assembly overlies the road wheels and a second state in which the rotating portion rotates relative to the vehicle body to expose the road wheels;
an electrical cabinet cover that is movable over and relative to the protective cover assembly.
2. The straddle-type monorail train according to claim 1, wherein a sliding rail is arranged on an inner bottom wall of the train body, and a pulley which is in sliding fit with the sliding rail is arranged on the electric cabinet cover.
3. A straddle-type monorail train according to claim 1, wherein the electrical cabinet comprises a first and a second relatively movable cabinet body.
4. A straddle-type monorail train according to claim 3, further comprising a first locking mechanism, wherein the first locking mechanism is engaged with the first and second enclosure bodies respectively, and wherein the first and second enclosure bodies are relatively movable when the first locking mechanism is unlocked.
5. A straddle monorail train according to claim 4, wherein the first locking mechanism comprises:
the positioning plate is arranged on one of the first cabinet body and the second cabinet body and provided with an assembling hole;
the driving piece is rotatably arranged in the assembling hole in a penetrating way;
the locking plate, the locking plate is established the first end of driving piece in order by the driving piece drive rotates, the locking plate with first cabinet cover body with another cooperation or break away from in the second cabinet cover body.
6. A straddle monorail train according to claim 5, wherein one of a positioning groove and a positioning hole is provided on an end surface of the positioning plate, and the driving member comprises:
the first part is rotatably and movably arranged in the assembling hole in a penetrating way;
the second part is arranged on one side of the positioning plate and provided with the other one of the positioning groove and the positioning hole, the positioning hole is matched with or separated from the positioning groove, the second part is matched with the first part, the first part moves to drive the second part to move synchronously, and the locking plate is arranged on one end, far away from the positioning plate, of the second part through a connecting piece;
and two ends of the first elastic piece respectively abut against the second part and the lock piece and normally push the second part to move towards the positioning plate.
7. A straddle monorail train according to claim 6, wherein the first elastic member is a spring that is sleeved over the connecting member.
8. The straddle monorail train of claim 6, wherein the outer peripheral wall of the first part is provided with a clamping groove, the second part is provided with a matching hole, and the inner peripheral wall of the matching hole is provided with a clamping block extending into the clamping groove.
9. The straddle monorail train of claim 1, wherein the protective cover assembly comprises a first cover fixed to the vehicle body and a second cover rotatably provided on the vehicle body relative to the first cover, the second cover being the rotating portion.
10. A straddle monorail train according to claim 9, wherein the end surface of the first cover cooperating with the second cover and/or the end surface of the second cover cooperating with the first cover is provided with a sealing element.
11. A straddle monorail car according to claim 9, wherein the first cover is removably secured to the car body.
12. A straddle-type monorail train according to any one of claims 1-11, further comprising a second locking mechanism having a locked state and an unlocked state, wherein the second locking mechanism cooperates with the rotating portion to position the protective cover assembly in the first state.
13. A straddle monorail train according to claim 12, wherein the protective cover assembly further comprises: the bracket is positioned on the outer side of the rotating part, and two ends of the rotating shaft are respectively and rotatably arranged on the bracket and the rotating part;
in the locked state, the second locking mechanism is matched with the rotating shaft to limit the rotational degree of freedom of the rotating shaft, and in the unlocked state, the second locking mechanism is separated from the rotating shaft.
14. A straddle monorail train according to claim 13, wherein the second locking mechanism comprises:
the support is arranged on the outer side of the rotating part;
the locking block is movable relative to the support, a third elastic piece is arranged between the locking block and the support, the third elastic piece pushes the locking block towards the direction far away from the support, a locking hole is formed in the locking block, and a locking hook extending into or out of the locking hole is arranged on the rotating shaft;
the push rod assembly is arranged on one side, far away from the support, of the locking block and is connected with the locking block, and the push rod assembly can move towards the locking block to enable the locking hook to be disengaged from the locking hole.
15. A straddle monorail train according to claim 14, wherein the push rod assembly comprises:
two panels which can move relatively;
the two ends of the second elastic piece are respectively connected with the two panels to be in a stretching state, and the second elastic piece can respectively apply acting force to the two panels towards each other so as to constantly pull the two panels to move towards each other;
the switch piece comprises a rotating part and a pushing part, two ends of the pushing part are respectively contacted with the two panels, and the rotating part is connected with the pushing part to drive the pushing part to rotate so as to push the panels to be far away from each other;
and the two ends of the push rod are respectively connected with the panel and the locking block.
16. A straddle-type monorail train according to claim 15, wherein the brackets, the supports and the locking blocks are provided on both sides of the rotating portion, the rotating shaft is connected between each bracket and the rotating portion, each rotating shaft is engaged with the locking block through the locking hooks, and the push rods are provided on both panels.
17. A method of maintaining a straddle monorail train, wherein the straddle monorail train is a straddle monorail train according to any one of claims 1-16, and the method comprises the steps of:
lifting the straddle type monorail train off a track beam to separate the traveling wheels from the track beam;
controlling the electric appliance cabinet cover to move so that the rotating part is exposed;
controlling the rotating part to rotate so as to expose the walking wheels;
and taking out the walking wheels from the vehicle body.
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| CN201710773452.7A CN109421765B (en) | 2017-08-31 | 2017-08-31 | Straddle type monorail train and maintenance method thereof |
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| CN201710773452.7A CN109421765B (en) | 2017-08-31 | 2017-08-31 | Straddle type monorail train and maintenance method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112441029B (en) * | 2019-08-30 | 2022-04-15 | 比亚迪股份有限公司 | Equipment bracket component and rail vehicle with same |
| CN112572485B (en) * | 2019-09-30 | 2022-05-13 | 比亚迪股份有限公司 | Rail vehicle |
| CN112572482B (en) * | 2019-09-30 | 2022-05-13 | 比亚迪股份有限公司 | Rail vehicle |
| CN115123322A (en) * | 2022-08-16 | 2022-09-30 | 中车唐山机车车辆有限公司 | Low-floor train, modular wheel cover and processing technology thereof |
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