JP5981749B2 - Vehicle maintenance system and vehicle maintenance method - Google Patents

Description

  The present invention relates to a technique for efficiently maintaining a train formed from a plurality of vehicles.

  Conventionally, when performing train vehicle maintenance at a railway factory or the like, a train that has been entered in a train is divided into trains, the divided vehicles are transported to a work place, and further separated into a vehicle body and a carriage at this work place. Thereafter, the vehicle body is generally transported to the vehicle body maintenance area using an overhead crane or the like, and the carriage is generally transported to the cart maintenance area (see Patent Document 1, etc.).

JP 2005-280474 A

  However, with the above-described conventional means, the work of dividing the vehicle one by one, the work of transporting the divided vehicle to the work place, and the work of transporting the vehicle body separated from each vehicle to the vehicle body maintenance area This requires a lot of workers and time.

  Therefore, there is a problem that it is difficult to efficiently perform vehicle maintenance.

The present invention was invented in view of the above problems, to propose a possible Ru car both service system and vehicle maintenance method to develop a train organized from a plurality of vehicles efficiently, challenges and To do.

In order to solve the above-mentioned problems, the first invention is a vehicle maintenance system having the following configuration.

A first invention is a vehicle maintenance system in which a body holding area and a carriage dismantling area are connected via a local rail, and the local rail is laid in the vehicle body holding area so that a train can run. A vehicle elevating device for elevating and lowering a train formed of a plurality of vehicles between a descending position and an ascending position is installed in the vehicle body holding area including the one-building rail . The vehicle elevating device is located below the carriage of each vehicle of the train carried into the predetermined position of the first premises rail, integrally lifts and lowers the entire train formed by a vehicle in which the carriage and the vehicle body are combined, and A plurality of lifting mechanisms configured to individually lift the carriages separated from the vehicle body; and a holding mechanism that holds the vehicle body of each vehicle at the raised position. Each lifting mechanism has a lifting table having a track on which the carriage is individually placed. When this lifting table is in the lowered position, the upper surface of the lifting table is flush with the surrounding site surface, The trolley is separated from any vehicle among the trains lifted together by a plurality of lifting mechanisms, together with the lifting table. Individually lowered, the lowered cart is configured to be conveyed along the track on the lifting table and the first premises rail.

  It is also preferable that the holding mechanism has a plurality of hook portions for locking the vehicle body, and the plurality of hook portions are taken in and out from both sides with respect to the vehicle body.

Moreover, in order to solve the said subject, let 2nd invention be the vehicle maintenance method which comprised the following structure.

A second invention is a method for carrying out vehicle maintenance by transporting a carriage between a vehicle body holding area and a carriage dismantling area that are connected via a local rail, and the local rail is arranged so that the train can run. The entire train composed of a plurality of vehicles, including the first premises rails laid in the holding area, travels along the first premises rails and is carried into the vehicle body holding area, and is positioned below the carriage of each vehicle in the train. The entire train is lifted up to the lifted position by a plurality of lifting mechanisms, and the body of each raised train vehicle is held at the lifted position by the holding mechanism. were separated, the separated truck, lowered by a corresponding lifting mechanism to the lowered position, the drop has been bogie, and maintenance is transported through the first premises rail bogie dismantling area, in the body holding area Established a body of each vehicle of the train held at an elevated position relative to the vehicle body after development held completed in the raised position, after maintenance completion that by running the first private branch rail carried on the body holding area bogie Are combined .

  The present invention has an effect that a train formed from a plurality of vehicles can be efficiently maintained.

1 is a perspective view schematically showing a vehicle maintenance system according to an embodiment of the present invention. It is a partially broken side view which shows a mode that a train is hold | maintained in a descent | fall position in the vehicle body holding area of a vehicle maintenance system. It is a partially broken front view which shows a mode same as the above. It is a partially broken side view which shows a mode that a train is hold | maintained in a raising / lowering position in the vehicle body holding area of a vehicle maintenance system. It is a partially broken front view which shows a mode same as the above.

  The present invention will be described based on embodiments shown in the accompanying drawings. FIG. 1 shows a vehicle maintenance system 200 according to an embodiment of the present invention. 2 to 5 show a vehicle lifting apparatus 100 used in the vehicle maintenance system 200. FIG.

  The vehicle maintenance system 200 of the present embodiment is a system for maintaining the train 4 formed by a plurality of vehicles 2. In the site of the entire system, a vehicle body holding area 110 in which the vehicle lifting device 100 is installed, a pre-dismantling work area 112, and a bogie dismantling area 114 are connected in order via a premise rail 116. Between the vehicle body holding area 110 and the pre-disassembly work area 112, a planar cart transport area 118 is further formed.

  First, in the vehicle maintenance system 200, the vehicle body holding area 110 and the vehicle lifting device 100 installed therein will be described in detail.

  In the vehicle body holding area 110, a pair of first premises rails 116a on which the train 4 can travel are laid. The train 4 is carried to a predetermined position on the first premises rail 116a.

  Each vehicle 2 included in the train 4 has a pair of front and rear carriages 6 coupled to the lower surface of a vehicle body 8. The vehicle lifting / lowering device 100 installed in the vehicle body holding area 110 is disposed on the left and right sides of each vehicle 2 and the lifting / lowering mechanism 12 disposed one-on-one below the carriage 6 of each vehicle 2 of the train 4 that is carried in. Holding mechanism 14. In FIG. 1, specific description of the elevating mechanism 12 and the holding mechanism 14 is omitted.

  2-5, the raising / lowering mechanism 12 has the raising / lowering table 16 which can be raised / lowered, and raises / lowers the trolley | bogie 6 mounted on this raising / lowering table 16 separately. In a state where the carriage 6 is coupled to the vehicle body 8, the pair of front and rear lifting mechanisms 12 lift and lower the entire vehicle 2 through the pair of front and rear carriages 6. By causing the plurality of vehicles 2 to perform the lifting / lowering operation simultaneously, the entire train 4 can be lifted / lowered integrally.

  The raising / lowering mechanism 12 is arrange | positioned in the groove part 18 which dug down the site | surface S. FIG. The groove portion 18 is formed by dug down a portion corresponding to the carriage 6 in the site surface S of the vehicle body holding area 110 by about 2100 mm. The lifting mechanism 12 includes a lifting motor 20, a power transmission mechanism 22 such as a speed reducer that distributes the rotational power of the lifting motor 20, a connecting shaft, and a bevel gear box. Further, the elevating mechanism 12 has two-stage telescopic actuators 28 at the four corners of the bottom surface of the groove 18 that is substantially rectangular in plan view, and firmly supports the elevating table 16 at the tip of each actuator 28. . The rotational power of the elevating motor 20 is distributed via the power transmission mechanism 22, the actuator 28 is extended and contracted in the vertical direction by the distributed rotational driving force, and the elevating table 16 is raised and lowered between the lowered position and the raised position. .

  The lifting table 16 in the lowered position is provided so that the table upper surface 30 is flush with the site surface S around the groove 18 (see FIGS. 2 and 3). The ascending position of the elevating table 16 is set to be, for example, about 1420 mm higher than the descending position, that is, the surrounding site surface S (see FIGS. 4 and 5). A pair of left and right tracks 31 are provided on the table upper surface 30 of the elevating table 16 so as to be continuous with the first front and rear first rails 116a when in the lowered position.

  The holding mechanism 14 that holds each vehicle 2 includes left and right ground type vehicle body lifting devices 34 that are installed on the site surface S. The ground type vehicle body lifting device 34 has a hook portion 32 inserted from the side with respect to the vehicle body 8 portion of the vehicle 2. The height of the hook portion 32 from the site surface S can be changed with a stroke of about 1625 mm by an elevating drive motor or a transmission mechanism built in the ground type vehicle body elevating device 34. Similarly, the protrusion amount of the hook portion 32 toward the vehicle body 8 can be changed with a stroke of about 415 mm by a lateral movement motor or a transmission mechanism built in the ground type vehicle body lifting / lowering device 34. Reference numeral 36 in the drawing is a rotary encoder for raising and lowering installed in the upper part of the ground type vehicle body raising and lowering device 34.

  In the present embodiment, the ground-type vehicle body lifting device 34 having the hook portion 32 is arranged on both the left and right sides of the front portion of the vehicle 2 and the left and right sides of the rear portion of the vehicle 2 with respect to one vehicle 2. These are arranged at four locations for convenience (see FIG. 1). Therefore, the vehicle body 8 included in each vehicle 2 is locked by the hook portions 32 inserted from the four places, front, rear, left and right, and the vehicle body 8 is held at that height.

  The drive control of the elevating mechanism 12 and the holding mechanism 14 is comprehensively performed by a general control panel (not shown). Specific drive control will be described later.

  Next, another area of the vehicle maintenance system 200 will be described.

  In the cart transport area 118, a planar cart traverser 120 is installed. The planar carriage traverser 120 is a device that connects the first premises rail 116a and the second premises rail 116b forming the premises rail 116, and slides and moves in a direction orthogonal to both the premises rails 116a and 116b that are parallel to each other. The carriage 6 is conveyed.

  The pre-disassembly work area 112 is an area where an operator performs pre-disassembly work on the carriage 6 in the pit 122. The pit 122 is formed by digging down a part of the site surface S where the second on-site rail 116b is laid. The trolley dismantling area 114 is an area where the trolley 6 subjected to the pre-dismantling work is dismantled, and is provided with an overhead crane 123 for conveyance.

  The carriage 6 is transported on the first premises rail 116 a by using a belt type carriage moving device 124. The belt-type cart moving device 124 has an advantage that it is for both track and road use and has a small turn. The carriage 6 is transported on the second premises rail 116 b using the roller type carriage moving device 126. The roller type cart moving device 126 has an advantage that it can be remotely operated by radio.

  Next, a vehicle maintenance method according to this embodiment performed using the vehicle maintenance system 200 having the above-described configuration will be described.

  First, the train 4 composed of a plurality of vehicles 2 travels on the first premises rail 116a to the vehicle body holding area 110, and the carriage 6 of each vehicle 2 is placed on the lifting table 16 of the lifting mechanism 12, respectively. set. At this time, the wheel 7 included in each carriage 6 is on the track 31 of the lifting table 16. The wheel 7 on the track 31 is locked by a rail stopper 17 (see FIG. 3) provided on the lifting table 16.

  And in all the raising / lowering mechanisms 12 in which the trolley | bogie 6 is located, the raising / lowering table 16 is gradually raised from the site | surface surface S and the downward position. As a result, the entire train 4 formed by the plurality of vehicles 2 rises integrally. If the entire train 4 reaches a predetermined ascending position, all the lifting tables 16 are stopped at this position.

  Next, the ground-type vehicle body lifting device 34 located on both sides of each vehicle 2 is used to insert the hook portions 32 moved upward from the left and right sides of the vehicle body 8, and the entire vehicle body 8 is held by the hook portions 32. The worker performs the separation work of the carriage 6 on the vehicle 2 lifted to the raised position.

  The separated carts 6 are individually lowered by lowering the lifting table 16 on which the carts 6 are placed to the lowered position. At this time, the vehicle body 8 side of the vehicle 2 remains held at the raised position by the hook portion 32. The carts 6 that are individually separated and lowered are sequentially transported on the first premises rail 116a as shown in FIG. 1 by a belt-type cart moving device 124 that is operated by an operator.

  The carts 6 that are separated from the train 4 and drawn individually are placed on the planar cart traverser 120 at the start end of the cart transport area 118, and are transported to the end with the wheels 7 lifted up. The carriage 6 transported to the end is transported on the second premises rail 116b by the roller-type carriage moving device 126 that is operated by radio, and the operator performs the pre-disassembly work in the pre-disassembly work area 112 in the middle. After that, it is further conveyed on the second premises rail 116b and reaches the carriage dismantling area 114. The cart 6 is dismantled in the cart dismantling area 114, and each part is transported to a predetermined maintenance area using the overhead crane 123, and various maintenance is performed. The parts after maintenance are assembled and carried into the vehicle body holding area 110 again as a carriage 6 that has been maintained.

  The maintenance of the cart 6 takes a period of several days. In the vehicle body holding area 110 during that period, the separated vehicle body 8 of the cart 6 is held in a lifted state. An operator performs various maintenance on the vehicle body 8. The height of the vehicle body 8 can be changed by changing the height of the hook portion 32 of the ground-type vehicle body elevating device 34, and maintenance work can be carried out while appropriately changing to a height suitable for the work at that time. it can.

  The maintained carriage 6 is coupled to the vehicle body 8 that has been maintained. At this time, while the vehicle bodies 8 are held at the upper positions by the hook portions 32, the elevating table 16 is lowered to a lowered position flush with the site surface S. The carriage 6 is carried on the track 31 of the lifting table 16 at the lowered position. Next, after the wheel 7 of the carriage 6 is locked by the rail stopper 17, the lifting table 16 and the carriage 6 are lifted together, and the carriage 6 is coupled to the vehicle body 8 held above.

  When the coupling work of the carriages 6 is completed in all the vehicles 2, the holding force is released by pulling out the hook portion 32 from the vehicle body 8, and the entire train 4 is lowered integrally by lowering all the lifting tables 16 simultaneously. The The lowered train 4 is carried out of the vehicle body holding area 110. Thereafter, another train 4 is carried into the vehicle body holding area 110 and the same maintenance process is performed, whereby the maintenance of the train 4 is sequentially performed.

  As described above in detail with reference to the drawings, the vehicle lifting apparatus 100 according to the embodiment of the present invention lifts and lowers the train 4 formed by a plurality of vehicles 2 between a lowered position and a raised position. is there. The vehicle lifting / lowering device 100 includes a vehicle lifting / lowering unit that integrally lifts / lowers the entire train 4, a carriage lifting / lowering unit that individually lifts / lowers the carriage 6 included in each vehicle 2, and a holding that holds the vehicle body 8 included in each vehicle 2 at the raised position. Means.

  Therefore, according to the vehicle lifting / lowering device 100 of the present embodiment, the entire train 4 is first raised integrally, the vehicle body 8 is held at the upper position, the carriage 6 is separated and lowered individually, and is moved to another area. The carriage 6 can be serviced after being transported to. The vehicle body 8 can be maintained while being held upward by the vehicle lifting device 100. After the maintenance is completed, the carriage 6 may be coupled to the vehicle body 8 held by the vehicle lifting device 100. Therefore, the use of the vehicle lifting apparatus 100 of the present embodiment eliminates the troublesome work performed in conventional maintenance. That is, the work of dividing the vehicle 2 of the train 4 for each vehicle, the work of transporting the divided vehicle 2 to the work place, and the work of further transporting the vehicle body 8 separated from each vehicle 2 as in the past. It becomes unnecessary and the number of workers and maintenance time are reduced. In addition, since the carts 6 can be pulled out from the train 4 individually, the total maintenance time can be obtained by turning the cart 6 that requires maintenance time in advance (for example, the cart 6 equipped with the main motor) in advance. Is more reduced. In addition, work that separates or joins the cart 6 and maintenance work of the car body 8 can be performed while the car body 8 is held upward, so that burdensome work such as a lower back is reduced for the operator. There are also advantages.

  Moreover, in the vehicle lifting / lowering apparatus 100 of this embodiment, both the vehicle lifting / lowering means and the carriage lifting / lowering means are composed of the lifting / lowering mechanism 12 that lifts and lowers the carriage 6 individually. By this elevating mechanism 12, the entire train 4 formed by the vehicle 2 in which the carriage 6 and the vehicle body 8 are combined is raised and lowered integrally, and the carriage 6 separated from the vehicle body 8 is raised and lowered individually.

  By doing in this way, the raising / lowering operation | work of the whole train 4 and the raising / lowering operation | work of the trolley | bogie 6 are implement | achieved using the common raising / lowering mechanism 12. FIG.

  The elevating mechanism 12 has an elevating table 16 on which the carriage 6 is individually placed, and a table upper surface 30 when the elevating table 16 is in the lowered position is provided flush with the surrounding site surface S. .

  In this way, when the lifting table 16 is set at the lowered position, the entire area where the vehicle lifting apparatus 100 is installed becomes flat, and work safety is further ensured.

  In the vehicle lifting / lowering device 100 of the present embodiment, the holding mechanism 14 has a plurality of hook portions 32 for locking the vehicle body 8, and the plurality of hook portions 32 are taken in and out from both sides of the vehicle body 8.

  By doing in this way, the locking and unlocking of the vehicle body 8 can be freely selected by inserting and removing the hook portion 32. Moreover, if the height of the hook part 32 is changed, the height of the vehicle body 8 locked to the hook part 32 can be freely changed according to the work.

  In the vehicle maintenance system 200 according to the embodiment of the present invention, the vehicle body holding area 110 and the cart dismantling area 114 are connected via a local rail 116. In the vehicle maintenance system 200, the vehicle lifting apparatus 100 having the above-described configuration is installed in the vehicle body holding area 110, and the carriage 6 is separated from an arbitrary vehicle 2 among the trains 4 raised by the vehicle lifting apparatus 100, and the separated carriage 6 is individually lowered, and the lowered cart 6 is provided so as to be conveyed along the premise rail 116 to the cart dismantling area 114.

  Therefore, according to the vehicle maintenance system 200 of the present embodiment, first, the entire train 4 is lifted integrally by the vehicle lifting / lowering device 100 in the vehicle body holding area 110 and the vehicle body 8 is held at the upper position. It can be separated and lowered individually, and can be transported as it is to the cart dismantling area 114 using the premise rail 116, disassembled, and sent for maintenance. The vehicle body 8 can be maintained while being held upward by the vehicle lifting device 100 in the vehicle body holding area 110. After the maintenance is completed, the carriage 6 may be coupled to the vehicle body 8 held by the vehicle lifting device 100 in the vehicle body holding area 110. Therefore, according to the vehicle maintenance system 200 of the present embodiment, the troublesome work performed in the conventional maintenance becomes unnecessary.

  The vehicle maintenance method of one embodiment of the present invention includes a step of integrally raising the entire train 4 formed by a plurality of vehicles 2, a step of separating the carriage 6 from any vehicle 2 of the raised train 4, The step of lowering the separated carriage 6 individually, the step of transporting and lowering the lowered carriage 6, the step of maintaining the body 8 of each vehicle 2 of the raised train 4, and the completion of the raised maintenance And a step of coupling the carriage 6 after completion of maintenance to the rear vehicle body 8.

  Therefore, according to the vehicle maintenance method of the present embodiment, the work of dividing the vehicle 2 of the train 4 for each vehicle as in the past, the work of transporting the divided vehicle 2 to the work place, The work of further transporting the separated vehicle body 8 becomes unnecessary, and the number of workers and maintenance time are reduced. In particular, when there is a cart 6 that requires maintenance time, the maintenance time is reduced in advance by rotating the cart 6 in advance. In addition, since the work for separating or combining the carts 6 and the maintenance work for the car body 8 can be performed while the car body 8 is raised, work that burdens the operator such as the middle waist is reduced.

  Although the present invention has been described based on the embodiments shown in the accompanying drawings, the present invention is not limited to the above-described embodiments, and appropriate design changes may be made within the intended scope of the present invention. Is possible.

2 Vehicle 4 Train 6 Bogie 8 Car Body 12 Lifting Mechanism 14 Holding Mechanism 30 Table Top Surface 100 Vehicle Lifting Device 110 Car Body Holding Area 114 Bogie Demolition Area 116 Premise Rail 200 Vehicle Maintenance System S Site Surface

Claims (3)

A vehicle maintenance system that connects a vehicle body holding area and a bogie dismantling area via a yard rail,
The premise rail includes a first premise rail laid in the vehicle body holding area so that the train can run.
In the vehicle body holding area, a vehicle lifting device that lifts and lowers a train organized by a plurality of vehicles between a lowered position and a raised position ,
Vehicle lifting device
The entire train formed by a vehicle in which the carriage and the car body are combined is located below the carriage of each train of the train carried into the predetermined position of the first premises rail, and is separated from the car body. A plurality of lifting mechanisms configured to raise and lower the carriage individually;
A holding mechanism for holding the vehicle body of each vehicle in the raised position ,
Each lifting mechanism has a lifting table having a track on which the carriage is individually placed. When this lifting table is in the lowered position, the upper surface of the lifting table is flush with the surrounding site surface, Is provided so that the track is continuous with the first premise rail located in front and back, in a straight line,
A carriage separated from an arbitrary vehicle among the trains lifted together by a plurality of lifting mechanisms is individually lowered together with the lifting table, and the lowered carriage is moved along the track on the lifting table and the first premises rail. A vehicle maintenance system configured to be transported .   The holding mechanism is
  The vehicle maintenance system according to claim 1, further comprising a plurality of hook portions for locking the vehicle body, wherein the plurality of hook portions are taken in and out from both sides of the vehicle body.   A method of carrying out vehicle maintenance by transporting a carriage between a vehicle body holding area and a carriage dismantling area that are connected via a premises rail,
  The premise rail includes a first premise rail laid in the vehicle body holding area so that the train can run.
  The entire train organized by multiple vehicles is driven to the body holding area by running the first premises rail,
  By raising and lowering the entire train to the ascending position by a plurality of lifting mechanisms located below the carriage of each vehicle of the train,
  Hold the vehicle body of each vehicle of the raised train in the raised position by the holding mechanism,
  Separating the carriage from any vehicle on the raised train,
  Lower the separated carriage to the lowered position by the corresponding lifting mechanism,
  The lowered cart is transported to the cart dismantling area through the first premises rail, and maintained.
  In the body holding area, maintain the body of each train vehicle held in the raised position,
  A vehicle maintenance method characterized in that a maintenance-completed carriage that travels on a first premises rail and is carried into a vehicle-body holding area is coupled to a maintenance-completed vehicle body held at a raised position.

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