CN109421762B - Straddle type monorail train and maintenance method thereof - Google Patents
Straddle type monorail train and maintenance method thereof Download PDFInfo
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- CN109421762B CN109421762B CN201710776081.8A CN201710776081A CN109421762B CN 109421762 B CN109421762 B CN 109421762B CN 201710776081 A CN201710776081 A CN 201710776081A CN 109421762 B CN109421762 B CN 109421762B
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- vehicle body
- locking
- cover
- monorail train
- state
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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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
- B61B13/06—Saddle or like balanced type
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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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K5/00—Apparatus for placing vehicles on the track; Derailers; Lifting or lowering rail vehicle axles or wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Train Traffic Observation, Control, And Security (AREA)
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 device comprises a vehicle body, wherein a floor of the vehicle body is provided with an installation through hole; the bogie is arranged below the vehicle body and comprises a framework and walking wheels, the walking wheels are arranged on the framework, and part of the walking wheels penetrates through the mounting through holes and is positioned in the vehicle body; the dust cover assembly is arranged on the inner bottom wall of the vehicle body, at least one part of the dust cover assembly can rotate relative to the vehicle body to define a rotating part, and the dust cover assembly has a first state and a second state, wherein the dust 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 running wheels. According to the straddle type monorail train, the travelling wheels can be replaced in the train body only by separating the travelling wheels from the rail beam surface, so that a huge bogie separating device can be avoided, 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 vehicle comprises a vehicle body, wherein a floor of the vehicle body is provided with an installation through hole; the bogie is arranged below the vehicle body and comprises a framework and walking wheels, the walking wheels are arranged on the framework, and part of the walking wheels penetrates through the mounting through holes and is positioned in the vehicle body; the dust cover assembly is arranged on the inner bottom wall of the vehicle body, at least one part of the dust cover assembly can rotate relative to the vehicle body to limit a rotating part, the dust cover assembly comprises a support and a rotating shaft, the support is located on the outer side of the rotating part and is arranged at an interval with the rotating part, two ends of the rotating shaft are respectively and rotatably arranged on the support and the rotating part, the dust cover assembly has a first state and a second state, the dust cover assembly is covered on the walking wheels in the first state, and the rotating part is lifted away from the inner bottom wall of the vehicle body through the rotating shaft in the second state so that the walking wheels are exposed.
According to the straddle type monorail train disclosed by the embodiment of the invention, the installation through holes are formed in the train body, at least one part of the dust cover assembly can rotate relative to the train body under the action of the rotating shaft, so that the dust cover assembly can be switched between the first state and the second state, and the travelling wheels can be exposed when the dust cover assembly is in the second state, so that the travelling wheels can be replaced in the train body only by separating the travelling wheels from the track beam surface, a huge bogie separating device is avoided, the workload can be reduced, the working efficiency can be improved, the length of the rotating shaft can be adjusted according to needs, laid parts can be avoided conveniently, and the maintenance is convenient.
In some embodiments of the present invention, the dust 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 car further comprises a locking mechanism having a locked state and an unlocked state, wherein the locking mechanism cooperates with the rotating portion to position the dust cover assembly in the first state.
Specifically, the dust cap 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 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 locking mechanism is separated from the rotating shaft.
Specifically, the 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 first elastic piece is arranged between the locking block and the support, the first 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 or the rotating part;
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.
Furthermore, the two sides of the rotating part are provided with the support, the support and the locking block, 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.
Optionally, the number of the second elastic members is two and is distributed on two sides of the switch member.
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; switching the locking mechanism to an unlocked state; 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 running wheels can be replaced in the train body only by arranging the straddle type monorail train and controlling the rotation part to rotate so as to expose the running wheels, and then only lifting the straddle type monorail train away from the track beam so as to separate the running 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 straddle monorail car according to an embodiment of the invention;
FIG. 2 is a schematic perspective view of a straddle monorail train 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 schematic rear view of a straddle monorail train 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 a locking mechanism and a shaft in accordance with an embodiment of the invention;
FIG. 8 is an enlarged view of a portion of FIG. 7 at C;
FIG. 9 is a schematic diagram of a second cover when locked according to an embodiment of the invention;
FIG. 10 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 mounting through-hole 11;
a dust cap assembly 2; a first cover 21; a second cover 22; a guide block 221; a bracket 23; a rotating shaft 24; a latch hook 241;
a locking 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 first elastic member 34; a bolt shaft 35; a guide slider 36;
a seal 4; a running wheel 5; 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, but 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 10, a straddle-type monorail car 100 according to an embodiment of the present 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 performing a transportation function.
The straddle monorail car 100 according to the embodiment of the invention can comprise a car body 1, a bogie (not shown) and a dust cover assembly 2.
Specifically, the vehicle body 1 is provided with a mounting through hole 11. 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 11, and the mounting through hole 11 may be formed in a rectangular shape, a circular shape, or an oval shape.
A bogie (not shown) is mounted below the vehicle body 1, in other words, below the floor of the vehicle body 1.
The bogie comprises a framework and walking wheels 5, wherein the walking wheels 5 are arranged on the framework, and a part of the walking wheels 5 passes through the mounting through holes 11 and is positioned in the vehicle body 1. For example, the running wheels 5 are connected to a drive shaft on a frame, the running wheels 5 are exposed on the frame, and a part of the running wheels 5 passes through a mounting through hole 11 on the floor. Under the action of the driving shaft, the travelling wheels 5 can drive the straddle monorail train 100 to move.
Specifically, the dust cover assembly 2 is provided on the inner bottom wall of the vehicle body 1 and is covered on the running wheels 5, in other words, the dust cover assembly 2 is provided on the floor of the vehicle body 1 and is covered on the running wheels 5, and the main function of the dust cover assembly 2 is to insulate the running wheels 5 to achieve in-vehicle sealing.
At least a portion of the dust cover 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 dust cover assembly 2 is rotatable relative to the vehicle body 1 to define a rotating portion, or it is also possible that the whole of the dust cover assembly 2 is rotatable relative to the vehicle body 1 to define a rotating portion.
The dust cap assembly 2 includes: the bracket 23 is positioned outside the rotating part and is arranged at an interval with the rotating part, and two 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 part and spaced apart from the rotating part, and both ends of a rotating shaft 24 may be hinged to the bracket 23 and the rotating part, respectively.
The dust cover assembly 2 has a first state in which the dust cover assembly 2 covers the running wheels 5 and a second state in which the rotating portion is lifted off the inner bottom wall of the vehicle body 1 via the rotating shaft 24 to expose the running wheels 5.
Specifically, when there is no need to service the components within the dust cap assembly 2, the dust cap assembly 2 is placed in a first state, i.e., the dust cap assembly 2 is covered over the road wheels 5; when the components in the dust cover assembly 2 need to be overhauled, the dust cover assembly 2 is in the second state, namely the rotating part rotates relative to the vehicle body 1 to expose the travelling wheels 5, the overhaul is convenient, and after the overhaul is finished, the dust cover assembly 2 returns to the first state.
When the running wheels 5 are replaced, the jack can be used for lifting the straddle type monorail train away from the track beam so as to separate the running wheels 5 from the track beam, then the rotating part is controlled to rotate relative to the train body 1 so as to expose the running wheels 5, and finally the replacement of the running wheels 5 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 11 are formed in the train body 1, at least one part of the dust cover assembly 2 can rotate relative to the train body 1 under the action of the rotating shaft 24, so that the dust cover assembly 2 can be switched between the first state and the second state, and the travelling wheels 5 can be exposed when the dust cover assembly 2 is in the second state, so that the travelling wheels 5 can be replaced in the train body 1 only by separating the travelling wheels 5 from the track beam 300, a large bogie separating device is avoided, the workload can be reduced, the working efficiency can be improved, the length of the rotating shaft 24 can be adjusted according to needs, laid parts can be avoided conveniently, and the maintenance is convenient.
In some embodiments of the present invention, the dust cover assembly 2 includes a first cover 21 and a second cover 22, the first cover 21 is fixed to the vehicle body 1, and the second cover 22 is rotatably provided on the vehicle body 1 with respect 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 4. For example, the sealing member 4 is provided on the end surface of the first cover 21 that engages with the second cover 22, and the sealing member 4 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 4, and the end surface of the second cover 22 that engages with the first cover 21 is provided with the sealing member 4. 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 4. Thereby increasing the sealing of the dust cap 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. Whereby the running wheels 5 can be exposed for maintenance work by removing the first cover 21. Therefore, when the movable second cover 22 fails, the traveling wheels 5 can be replaced by detaching the fixed first cover 21, and the reliability can be further improved.
In some embodiments of the invention, the straddle monorail car 100 further comprises a locking mechanism 3, the locking mechanism 3 having a locked state and an unlocked state, in which the locking mechanism 3 cooperates with the rotating part to position the dust cover assembly 2 in the first state. From this, through setting up locking mechanism 3, can realize the effective switching of the first state and the second state of dust cover subassembly 2, can guarantee the leakproofness of the dust cover subassembly 2 that is in the first state simultaneously, avoid the maloperation and make walking wheel 5 expose.
In the locked state, the locking mechanism 3 cooperates with the rotating shaft 24 to restrict the rotational degree of freedom of the rotating shaft 24, and in the unlocked state, the locking mechanism 3 is disengaged from the rotating shaft 24. In other words, the rotating shaft 24 is provided with a locking portion engaged with the locking mechanism 3, the locking mechanism 3 and the locking portion are engaged to limit the degree of freedom of rotation of the rotating shaft 24, 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 locking mechanism 3 and the dust cap assembly 2.
Specifically, the lock mechanism 3 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 first elastic member 34 is arranged between the locking block 32 and the support 31, the first 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 first 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 first 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 5. Thereby making the structure of the locking mechanism 3 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 5.
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 5, 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 locking mechanism 3.
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. Thus, not only is the reliability of locking of the dust cover assembly 2 in the first state improved, but also the stability of the rotation of the rotating portion of the dust cover assembly 2 by the rotating shaft 24 in the first state is improved.
Optionally, the second elastic members 332 are two and distributed on two sides of the switch member 333. For example, as shown in fig. 5, the second elastic members 332 are two and are distributed on the upper and lower sides of the switching member 333 and are symmetrical with respect to the switching member 333, thereby improving the stability of the push rod assembly 33 during operation.
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 examples of fig. 2, 4, 7, 9 and 10, the guide member 221 is plural and is spaced apart 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 according to the embodiment of the invention, and the maintenance method comprises the following steps: lifting the straddle monorail train 100 off the track beam 300 to disengage the running wheels 5 from the track beam 300; switching the locking mechanism 3 to an unlocked state; controlling the rotation of the rotating part to expose the running wheels 5; the running wheels 5 are taken out of the vehicle body 1.
For example, as shown in fig. 1 to 10, in performing maintenance work, the straddle-type monorail train 100 may be lifted off the track beam 300 using the jack 200 to disengage the running wheels 5 from the track beam 300, the locking mechanism 3 is controlled to be switched to the unlocked state, the rotating portion is controlled to rotate relative to the train body 1 to expose the running wheels 5, and finally the running wheels 5 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 locking mechanism 3 is controlled to be switched to the locked state, and finally the jack 200 is withdrawn 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 rotation part can be controlled to rotate by arranging the straddle-type monorail train 100, so that the travelling wheels 5 are exposed, and the travelling wheels 5 can be replaced in the train body 1 only by lifting the straddle-type monorail train 100 away from the track beam 300 to separate the travelling wheels 5 from the track beam 300, so that 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 10. 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 and a dust cover assembly 2 locking mechanism 3.
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 11.
The bogie comprises a framework and walking wheels 5, wherein the walking wheels 5 are arranged on the framework, and a part of the walking wheels 5 passes through the mounting through holes 11 and is positioned in the vehicle body 1.
The dust cover assembly 2 includes a first cover 21, a second cover 22, four brackets 23, and four rotating shafts 24, the first cover 21 being fixed to the floor of the vehicle body 1, the second cover 22 being rotatably provided on the floor of the vehicle body 1 with respect to the first cover 21. Thus, the dust cover assembly 2 has a first state in which the dust cover assembly 2 covers the running wheels 5, and a second state in which the second cover 22 rotates relative to the vehicle body 1 to expose the running wheels 5.
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 locking mechanism 3 has a locked state in which the locking mechanism 3 cooperates with the shaft 24 to limit the rotational freedom of the second housing 22 to position the dust cap assembly 2 in the first state, and an unlocked state. In the unlocked state, the lock mechanism 3 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 locking mechanism 3 includes a holder 31, a lock block 32, a bolt shaft 35, a guide slider 36, a first 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 first elastic piece 34 is sleeved on the bolt shaft 35, one end of the first elastic piece 34 abuts against the support 31, and the other end of the first elastic piece 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 first 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 second cover 22 is further provided with 4 guide blocks 221, through holes are formed in the guide blocks 221, and the push rod 334 passes through the through holes in the guide blocks 221 and can move transversely relative to the guide blocks 221, so that the push rod 334 can be prevented from moving up and down.
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 disengage 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 5, 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 locking mechanism 3.
When the maintenance work is performed, the jack 200 can be used to lift the straddle monorail train 100 away from the track beam 300 to separate the running wheels 5 from the track beam 300, and then the switch part 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, and then the other end of the push rod 334 abuts against the side wall of the rotating part of the locking block 32 to drive the locking block 32 to move and compress the second elastic member 332, when the locking block 32 moves to the state that the locking hook 241 can be separated from the locking hole 32a, the rotating shaft 24 can be rotated to make the rotating part rotate relative to the train body 1 to expose the running wheels 5, so as to perform the 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 resetting of the rotating shaft 24, 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 train 100 according to the embodiments of the present invention, such as the drive device and the electrical cabinet cover, 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 (10)
1. A straddle monorail car comprising:
the vehicle comprises a vehicle body, wherein a floor of the vehicle body is provided with an installation through hole;
the bogie is arranged below the vehicle body and comprises a framework and walking wheels, the walking wheels are arranged on the framework, and part of the walking wheels penetrates through the mounting through holes and is positioned in the vehicle body;
the dust cover assembly is arranged on the inner bottom wall of the vehicle body, at least one part of the dust cover assembly can rotate relative to the vehicle body to limit a rotating part, the dust cover assembly comprises a support and a rotating shaft, the support is located on the outer side of the rotating part and is arranged at an interval with the rotating part, two ends of the rotating shaft are respectively and rotatably arranged on the support and the rotating part, the dust cover assembly has a first state and a second state, the dust cover assembly is covered on the walking wheels in the first state, and the rotating part is lifted away from the inner bottom wall of the vehicle body through the rotating shaft in the second state so that the walking wheels are exposed.
2. The straddle monorail train of claim 1, wherein the dust cover assembly comprises a first cover fixed to the vehicle body and a second cover rotatably provided on the vehicle body with respect to the first cover, the second cover being the rotating portion.
3. A straddle monorail train according to claim 2, 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 member.
4. A straddle monorail car according to claim 2, wherein the first cover is removably secured to the car body.
5. The straddle monorail train of any one of claims 1-4, further comprising a locking mechanism having a locked state and an unlocked state, wherein the locking mechanism cooperates with the rotating portion to position the dust cover assembly in the first state.
6. A straddle monorail train according to claim 5, wherein the 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 first elastic piece is arranged between the locking block and the support, the first 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 or the rotating part;
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.
7. The straddle monorail train of claim 6, 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.
8. The straddle monorail train according to claim 7, 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 or the rotating portion is engaged with the locking block through the locking hook, and the push rods are provided on both panels.
9. A straddle monorail train according to claim 7, wherein the second elastic member is two and distributed on both sides of the switch member.
10. A method of maintaining a straddle monorail train, wherein the straddle monorail train is a straddle monorail train according to any one of claims 5-9, 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;
switching the locking mechanism to an unlocked state;
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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| Application Number | Priority Date | Filing Date | Title |
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| CN201710776081.8A CN109421762B (en) | 2017-08-31 | 2017-08-31 | Straddle type monorail train and maintenance method thereof |
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| CN201710776081.8A CN109421762B (en) | 2017-08-31 | 2017-08-31 | Straddle type monorail train and maintenance method thereof |
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| CN109421762A CN109421762A (en) | 2019-03-05 |
| CN109421762B true CN109421762B (en) | 2020-12-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112572481B (en) * | 2019-09-30 | 2022-08-09 | 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 |
| CN112744242A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Wheel package subassembly and rail vehicle who has it |
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| CN109421762A (en) | 2019-03-05 |
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