CN115041940A - Large-scale equipment replacing device under railway passenger vehicle - Google Patents

Large-scale equipment replacing device under railway passenger vehicle Download PDF

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Publication number
CN115041940A
CN115041940A CN202210982504.2A CN202210982504A CN115041940A CN 115041940 A CN115041940 A CN 115041940A CN 202210982504 A CN202210982504 A CN 202210982504A CN 115041940 A CN115041940 A CN 115041940A
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CN
China
Prior art keywords
supporting plate
lifting
track bridge
movable
bogie
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Pending
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CN202210982504.2A
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Chinese (zh)
Inventor
夏冰心
王继来
王立奇
唐崇邦
张长友
曾勇
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Jiehang Equipment Manufacturing Co ltd
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Jiehang Equipment Manufacturing Co ltd
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Application filed by Jiehang Equipment Manufacturing Co ltd filed Critical Jiehang Equipment Manufacturing Co ltd
Priority to CN202210982504.2A priority Critical patent/CN115041940A/en
Publication of CN115041940A publication Critical patent/CN115041940A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

The invention discloses a large-scale equipment replacing device under a railway passenger vehicle, which comprises a vehicle body lifting assembly, a bogie lifting assembly, a movable track bridge, a wheel pair supporting assembly, a transverse moving assembly and a transverse moving assembly. The two vehicle body lifting assemblies are symmetrically arranged on two sides of the movable track bridge and comprise a transverse moving base, a supporting sliding block and a portal frame cross beam. The bogie lifting assembly comprises a support frame, a guide supporting plate, a rotating oil cylinder, a rotating shaft and a moving supporting plate; the movable supporting plate is arranged on the upper part of the guide supporting plate, can move relative to the guide supporting plate and is matched with the guide supporting plate to support the bogie. The movable track bridge comprises two tracks and a connecting vertical plate for connecting the two tracks. The wheel set support assembly supports the wheel set which is not replaced. The transverse moving assembly comprises a motor, a transmission shaft, a transmission chain and a push plate and drives the moving track bridge to horizontally move to the replacing area along the replacing track. The invention can improve the working efficiency and the economy, and the bogie with the fault is replaced on line.

Description

Large-scale equipment replacing device under railway passenger vehicle
Technical Field
The invention belongs to the field of railway maintenance, and particularly relates to a large-scale equipment replacing device under a motor train unit passenger vehicle.
Background
The large-scale equipment under the railway passenger vehicle mainly includes bogie, wheel pair, traction transformer and air conditioner. The bogie is one of the most important parts in the rail vehicle structure, can increase the load, the length and the volume of the vehicle and improve the running speed of a train so as to meet the requirement of railway transportation development; meanwhile, the vehicle body can be supported, various loads and acting forces from the vehicle body to wheels or from wheel tracks to the vehicle body can be borne and transmitted, and the axle weight can be uniformly distributed. Finally, the safe operation of the vehicle is ensured, and the vehicle can flexibly operate along a straight line and smoothly pass through a curve.
The large-scale equipment replacing device under the train can replace the bogie of the motor train unit on line for various motor train units under the condition of not disassembling the motor train unit. The existing similar equipment, such as a bogie replacement system described in the patent application with the application number of CN111794099A, can be used for replacing a bogie of a motor train unit in an inspection warehouse, when the motor train unit drives into a track bridge of the inspection warehouse, the bogie to be replaced is stopped at an avoiding fracture of the track bridge, the bogie to be replaced is supported by a supporting assembly, an operator disassembles the bogie to be replaced from a motor train unit body, the height of the supporting assembly is adjusted by a lifting assembly, so that the bogie is descended into an underground passage, the bogie to be replaced slides in the underground passage by a traveling assembly, the bogie to be replaced is conveyed to a bogie maintenance warehouse for maintenance (or replacement of a new bogie), and finally, the original path of the maintained bogie (or the new bogie) is returned and installed on the motor train unit body.
However, the existing equipment mainly aims at the overall replacement of the bogie, large-scale equipment under the train such as double-side wheel sets of the motor train unit, single-side wheel sets, traction transformers and the like cannot be replaced independently, the requirement on fine management cannot be met, and the efficiency and the economical efficiency are in urgent need of improvement.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the problem that the whole bogie, double-side wheel sets of the motor train unit, single-side wheel sets and a traction transformer cannot be replaced independently when the passenger vehicle of the motor train unit is overhauled.
In order to achieve the above object, the present invention provides an under-vehicle large equipment replacing device for a railway passenger vehicle, comprising:
the two vehicle body lifting assemblies are symmetrically arranged on two sides of the movable track bridge and comprise a transverse moving base, a supporting sliding block and a portal frame beam; the top parts of the two upright posts are supported and provided with a portal frame beam, the portal frame beam is provided with a horizontally movable transverse moving base, the transverse moving base is provided with a supporting slide block, the supporting slide block can enter and exit the bottom of the transverse moving base and can be inserted into a corresponding fixed hole of the vehicle body,
the bogie lifting assembly comprises a support frame, a guide supporting plate, a rotating oil cylinder, a rotating shaft and a moving supporting plate; the bottom of the support frame is provided with a first motor which is matched with a rack on the anti-skid cover plate and can drive the support frame to horizontally move on the lifting track to the position near the movable track bridge; the bottom of the guide supporting plate is provided with a rotating oil cylinder, two sides of the guide supporting plate are provided with rotating shafts hinged with the supporting frame, the guide supporting plate can rotate under the driving of the rotating oil cylinder and can maintain a horizontal state, and the guide supporting plate is provided with a second motor; the movable supporting plate is arranged at the upper part of the guide supporting plate, the bottom of the movable supporting plate is provided with a rack which is matched with the second motor and can move relative to the guide supporting plate, the rack is matched with the guide supporting plate to support the bogie,
the movable track bridge comprises two tracks and a connecting vertical plate for connecting the two tracks, a wheel pair of the bogie can travel on the movable track bridge, and the bottom of the movable track bridge is connected with a bracket; the bracket is integral, the bottom of the bracket is connected with a cylinder barrel of the lifting oil cylinder, the bracket is driven by the lifting oil cylinder to lift so as to drive the movable track bridge to lift,
two wheel set supporting assemblies are symmetrically arranged on two sides of the bogie lifting assembly, each wheel set supporting assembly comprises a hydraulic oil cylinder, the hydraulic oil cylinder can be close to the movable track bridge along the lifting track, a top supporting plate supports a wheel set suspension when the hydraulic oil cylinder is lifted, and supports the wheel sets which are not replaced,
the transverse moving assembly comprises a motor, a transmission shaft, a transmission chain and push plates, wherein the chains are symmetrically arranged in two groups, the motor drives the transmission shaft to rotate, the push plates are driven to move back and forth, and the movable track bridge is driven to horizontally move to a replacement area along a replacement track.
Furthermore, a horizontal driving motor, a lifting driving motor and a worm and gear reduction box are installed on the transverse moving base, and a gear installed on an output shaft of the driving motor is matched with a rack at the top of a portal frame beam to drive the transverse moving base to move horizontally; the lifting driving motor is matched with the worm gear reduction box and the lead screw to drive the movable part of the transverse moving base to lift; the supporting slide block can be longitudinally inserted into and extended out of the vehicle body fixing hole under the driving of the telescopic driving motor.
Furthermore, a plurality of uniformly distributed circular reference sleeves are installed on the upper portion of the bracket, conical positioning shafts are installed in the reference sleeves, and the positioning shafts are matched with conical holes in the top of the movable track bridge.
Furthermore, the wheel pair further comprises an inserting block rubber which can be inserted on the movable track bridge to block the rotation of the wheel pair.
Furthermore, the movable track bridge locking device further comprises a first locking mechanism and a second locking mechanism, wherein the first locking mechanism and the second locking mechanism are respectively and symmetrically arranged at the initial position and the key position when the movable track bridge moves, and the movable track bridge can be limited to move through the telescopic push rod.
Furthermore, an inserting sleeve is installed on the side face of the movable track bridge, and the push plate can be inserted into the inserting sleeve when the movable track bridge is lifted.
Further, the hydraulic control system also comprises a control cabinet, an electric control system and a hydraulic control system.
Furthermore, the guide posts are installed on the lower portion of the bracket, the number of the guide posts is two, the guide posts are symmetrically installed at the bottom of the bracket, and a plurality of groups of linear guide rails are installed on the side faces of the guide posts and matched with linear bearings on the fixed support to guide the bracket in the lifting process.
The device comprises a support platform, a replacing tunnel and an overhauling tunnel, wherein a vehicle body lifting assembly, a bogie lifting assembly, a wheel pair support assembly, a lifting track, a replacing track and a control cabinet are arranged in the replacing tunnel; a lifting oil cylinder, a guide post and a bracket are arranged in the replacement gallery; and a lifting oil cylinder and a guide post are installed in the maintenance gallery.
The invention has the beneficial effects that:
the large-scale equipment replacing device under the railway passenger vehicle is suitable for being installed on a temporary repair turning garage repair line with a track bridge in a motor train section (station), can replace motor train unit bogies on line under the condition of not disassembling various motor train units of CRH and CR, and simultaneously replace double-side wheel sets or single-side wheel sets of the motor train units, has the function of replacing large-scale equipment under the motor train unit such as a traction transformer, and the like, can improve the working efficiency and the economical efficiency when the motor train unit is repaired in the motor train section (station), and can replace the failed bogie on line.
Drawings
Fig. 1 is a schematic perspective view of the replacement device for large-scale equipment under a railway passenger vehicle according to the present invention.
Fig. 2 is a perspective view of the mounting base according to the present invention.
Fig. 3 is a perspective view of the truck lift assembly and the cover plate according to the present invention.
Fig. 4 is a schematic perspective view of the wheel set support assembly and the lifting rail according to the present invention.
Fig. 5 is a schematic side view of the lift and exchange portion of the present invention.
Fig. 6 is a first perspective view of the lifting and replacing part according to the present invention.
Fig. 7 is a second perspective view of the lifting and replacing part according to the present invention.
Fig. 8 is an enlarged schematic view of a portion a of fig. 7.
Fig. 9 is an enlarged perspective view of the bracket, lift cylinder, and guide post of fig. 7.
Fig. 10 is an enlarged front view of the bracket, lift cylinder, and guide post of fig. 7.
Fig. 11 is a perspective view of the lateral moving assembly and the moving track bridge according to the present invention.
Fig. 12 is a perspective view of the vehicle body lift assembly of the present invention.
Fig. 13 is an enlarged top view of the replacement track, the anti-slip cover plate, and the two locking mechanisms according to the present invention.
In the figure: 1. installing a foundation; 101. replacing the tunnel; 102. overhauling the tunnel; 2. a wheelset support assembly; 3. a vehicle body lifting assembly; 301. transversely moving the base; 302. a support slider; 303. a gantry beam; 304. a column; 4. a bogie lift assembly; 401. a support frame; 402. a guide supporting plate; 403. rotating the oil cylinder; 404. a rotating shaft; 405. moving the supporting plate; 5. lifting the track; 6. a first locking mechanism; 7. a lateral movement assembly; 8. moving the track bridge; 9. a second locking mechanism; 10. replacing the track; 11. a control cabinet; 12. an anti-slip cover plate; 13. a bracket; 14. a lifting oil cylinder; 15. a bogie; 16. and a guide post.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the device for replacing the large equipment under the railway passenger vehicle comprises a vehicle body lifting assembly 3, a bogie lifting assembly 4, a movable track bridge 8, a wheel pair supporting assembly 2 and a transverse moving assembly 7.
As shown in fig. 12, there are two car body lifting assemblies 3 symmetrically disposed on both sides of the movable track bridge 8, and each car body lifting assembly includes a traverse base 301, a supporting slider 302, and a gantry beam 303. The top parts of the two upright posts 304 are supported and provided with a portal frame beam 303, the portal frame beam 303 is provided with a transverse moving base 301 capable of horizontally moving, a supporting sliding block 302 is arranged on the transverse moving base 301, and the supporting sliding block 302 can pass in and out of the bottom of the transverse moving base 301 and can be inserted into a corresponding fixing hole of the vehicle body.
As shown in fig. 3, 7 and 8, the bogie lifting assembly 4 includes a support frame 401, a guide supporting plate 402, a rotating cylinder 403, a rotating shaft 404 and a moving supporting plate 405; the first motor is installed at the bottom of the support frame 401 and matched with the rack on the anti-skid cover plate 12, so that the support frame 401 can be driven to horizontally move to the position near the movable track bridge 8 on the lifting track 5; the bottom of the guide supporting plate 402 is provided with a rotating oil cylinder 403. The two sides of the guide support plate 402 are provided with a rotating shaft 404 hinged with the support frame 401, the guide support plate 402 can be driven by the rotating oil cylinder 403 to rotate and can maintain a horizontal state, and the guide support plate 402 is provided with a second motor. The movable supporting plate 405 is installed on the upper portion of the guide supporting plate 402, and the rack installed at the bottom of the movable supporting plate is matched with the second motor, can move relative to the guide supporting plate 402, and is matched with the guide supporting plate 402 to support the bogie 15.
As shown in fig. 5, 6, 9 and 10, the movable track bridge 8 comprises two tracks and a connecting vertical plate for connecting the two tracks, a wheel pair of a bogie 15 can travel on the movable track bridge 8, and the bottom of the movable track bridge 8 is connected with a bracket 13; the bracket 13 is integral, the bottom of the bracket is connected with a cylinder barrel of the lifting oil cylinder 14, and the bracket 13 is driven by the lifting oil cylinder 14 to lift so as to drive the movable track bridge 8 to lift.
As shown in fig. 4, there are two wheel set supporting assemblies 2, symmetrically disposed on two sides of the bogie lifting assembly 4, including a hydraulic cylinder, and capable of supporting the wheel set suspension by a top supporting plate when the hydraulic cylinder is lifted close to the movable track bridge 8, so as to support the wheel set which is not replaced.
As shown in fig. 11 and 13, the transverse moving assembly 7 includes two sets of motors, transmission shafts, transmission chains, and push plates, the two sets of chains are symmetrically disposed, and the motors drive the transmission shafts to rotate, drive the push plates to move back and forth, and drive the moving track bridge 8 to move horizontally to the replacing area along the replacing track 10.
As shown in fig. 6, in one example, a horizontal driving motor, a lifting driving motor, and a worm gear reduction box are installed on the traversing base 301, and a gear installed on an output shaft of the driving motor is matched with a rack on the top of the gantry beam 303 to drive the traversing base 301 to move horizontally; the lifting driving motor is matched with the worm gear reduction box and the lead screw to drive the movable part of the transverse moving base 301 to lift; the supporting slide block 302 can be longitudinally inserted into and extended out of the vehicle body fixing hole under the driving of the telescopic driving motor.
In one example, as shown in fig. 9, a plurality of uniformly arranged circular reference sleeves are mounted on the upper part of the bracket 13, and conical positioning shafts are mounted in the reference sleeves and are matched with conical holes at the top of the movable track bridge 8.
As shown in fig. 8, in one example, an insert rubber is further included, which can be inserted into the moving track bridge 8 to block the rotation of the wheel pair.
As shown in fig. 13, in one example, the device further includes two first locking mechanisms 6 and two second locking mechanisms 9, which are respectively and symmetrically installed at the initial position and the final position of the moving track bridge 8 during moving, and the moving track bridge 8 can be limited by the telescopic push rod.
As shown in fig. 11, in one example, the movable track bridge 8 is provided with a plug-in sleeve at the side, and the push plate can be plugged into the plug-in sleeve when the movable track bridge 8 is lifted.
As shown in fig. 1, in one example, the system further comprises a control cabinet 11, an electrical control system and a hydraulic control system.
As shown in fig. 6 and 7, in one example, the lower portion of the bracket 13 is provided with two guide posts 16, the two guide posts 16 are symmetrically arranged at the bottom of the bracket 13, and the side surfaces of the guide posts 16 are provided with multiple groups of linear guide rails which are matched with linear bearings on a fixed support to guide the bracket 13 in the lifting process.
As shown in fig. 2, in one example, the vehicle body lifting device further comprises an installation base 1, wherein the installation base 1 is provided with a footpath, a supporting platform, a replacing tunnel 101 and an overhauling tunnel 102, and a vehicle body lifting component 3, a bogie lifting component 4, a wheel pair supporting component 2, a lifting track 5, a replacing track 10 and a control cabinet 11 are installed in the replacing tunnel 101; a lifting oil cylinder 14, a guide post 16 and a bracket 13 are arranged in the replacement gallery 101; a lifting oil cylinder and a guide post 16 are arranged in the maintenance gallery 102.
The invention comprises the following basic features:
(1) integrally providing all brand new equipment and tools required for completing the functions of the equipment;
(2) the device is suitable for being arranged on an overhaul line with a track bridge of a bullet train section (station) to meet the requirements of a user site and technology;
(3) the device has the function of pulling in or out the trench transversely, and the fixed cover plate or the movable cover plate is arranged on the trench, so that the overhaul operation of ground motor vehicles and personnel is not influenced;
(4) the installation of equipment, the dismouting of the part that the maintainer of being convenient for decomposes 15 and automobile body continuous connection spares, if: a motor transmission shaft, a traction pull rod, an anti-rolling and transverse damping suspender and the like;
(5) the equipment has applicability, universality, safety and reliability;
(6) the replacement process of the bogie 15 is controlled by a microcomputer operating system or an HMI (human machine interface) man-machine interface, and the microcomputer operating system is provided with an interface with a motor train unit management information system of a motor train unit application station;
(7) the operation interface of the equipment microcomputer system or the HMI is Chinese, and has good man-machine conversation function;
(8) the traction mode of the motor train unit is traction of the motor train unit by the vehicle power or a rail-road dual-purpose vehicle;
(9) the equipment is provided with a safety protection interlocking device, a short circuit protection device, a broken circuit protection device and an electric leakage protection device, and a protection device during power failure or accidental shutdown, wherein an emergency stop button is arranged on an operation console;
(10) the equipment has the functions of perfect and reliable interlocking collision avoidance, signal warning, fault alarm and the like so as to prevent the equipment from being damaged by accidents, and all electrical devices are provided with safe and reliable grounding devices.
The car body supporting device is mainly used for supporting one end of a car body when a bogie 15 is replaced, and consists of a portal frame and a car body supporting bracket 13.
In one example, the movable track bridge consists of 5000mm long 50 kg/m standard rails, the bogie 15 is moved laterally out of the car and the positioning and locking device. The movable track bridge ascends or descends through two joists of a movable track bridge lifting device installed in the pit, when an oil cylinder of the movable track bridge lifting device lifts, the movable track bridge ascends and is connected with a fixed steel rail of an overhaul line through fixed supports at two ends, a transverse positioning pin shaft installed at the end part of the movable track bridge is matched with a fixed pin hole in the support so as to strengthen the transverse positioning of the movable track bridge, and meanwhile, the movable track bridge is vertically supported and locked through locking oil cylinders installed on the supports at the two ends. The movable track bridge lifting device is composed of a jacking oil cylinder; two sets of linear guide rail guide mechanisms; a bracket 13, a fly wheel balancing mechanism and the like.
The transverse moving traction mechanism consists of a track beam, a linear guide rail, a chain wheel, a chain speed reducing motor and the like. The mechanism functions as follows: the disassembled bogie 15 is moved to the subline for easy transportation. The movement of the bogie 15 is achieved by a motor drive, with the chain connecting the moving track.
The electrical control and microcomputer operation system mainly comprises: automatic or manual control; acquiring, processing and identifying signals; signal display and alarm functions, etc. The signal acquisition, processing and identification system mainly comprises: the method comprises the steps of collecting positioning signals of a vehicle body supporting device, collecting signals of a locking connection state of a movable track bridge, collecting signals of a position of a lifting oil cylinder of the movable track bridge, collecting signals of a lifting state of a storage line bracket 13, collecting signals of a locking state of a cover plate and the like. The signal indicating and alarming system mainly comprises: signal indication of speed limit entering of the motor train unit; a replaced truck 15 positioning indication; a signal that the replaced truck 15 is in operation; indication that the operation of the replaced bogie 15 is finished and the line is opened; and alarm indication of working state and abnormal state in each step.
The invention adopts a double-wheel pair replacing device which comprises a fixed bottom plate, a movable bracket, a main oil cylinder, a jacking oil cylinder, a movable supporting plate 405, an electric push rod and the like. In the wheel set replacing process, the bogie 15 and the unilateral wheel set are safely supported.
The invention can be matched with large equipment such as a large-component replacement tooling trolley under a vehicle, a traction transformer and the like, and the large-component replacement tooling trolley under the vehicle consists of a transverse moving positioning wheel, a fixed bottom frame, a fixed technical support and a movable adjusting plate. When other large equipment traction transformers, traction converters and air conditioners under the vehicle are replaced, the tool trolley below the vehicle realizes the random adjustment of the maintenance of the rotating three-dimensional space of the large equipment under the vehicle in the left-right, front-back, up-down and plane directions so as to realize the accurate positioning of the installation position.
The action process of the invention is as follows:
(1) ensuring the equipment is in an operation initial state
a. The main track bridge rises to be flush with the line track surface of the client train at the uppermost surface, and the main track bridge is in a locked state.
b. The vehicle body bracket 13 is moved to the rightmost side (the side of the operation surface, the same left and right), and is lowered to the lowest position, and the telescopic arm is in a retracted state.
c. The cover plate (auxiliary track bridge) rises to be flush with the auxiliary line track surface (ground) at the uppermost surface, and the cover plate is in a locked state.
(2) Operation of
a. After the train arrives at the preset area of the equipment, the bogie 15 is well positioned on the track bridge, the positioning block is placed, and the positioning bolt is screwed down. And the bogie 15 is disconnected from all the connecting parts of the vehicle body and fixed, and parts which exceed the length of the side frame of the bogie 15 are also detached.
b. Starting the equipment;
c. the manual operation, the train model (such as CRH 1) and the slow gear (fast light-off) are selected on the main operation surface, and the equipment is lubricated by oiling once for the shift.
d. Selection (left bracket 13 control interface):
the left moving button of the bracket 13 is pressed, the bracket 13 is moved to a car lifting position, the stretching button of the bracket 13 is pressed, the telescopic arm automatically stretches to a car lifting position point (or inching and limiting) for selecting the train type, and the lifting button of the bracket 13 is pressed, so that the telescopic arm is lifted to the car lifting position (or inching and limiting). The main and auxiliary operation surfaces operate the same.
e. After the car is placed in place and the correct position is confirmed, an operator on the auxiliary operation surface presses a confirmation button (an indicator lamp is in a long-bright state) to switch the operation mode (the car placing operation is cancelled, and the operation is switched to the replacement operation of the bogie 15).
f. Operator selection of a primary operating surface
1) Pressing the main track lifting button, separating the main track bridge from the locking pin, pressing the main track loosening button, returning the locking pin, pressing the main track lowering button, lowering the track bridge to enable the bogie 15 to be in butt joint with the vehicle body separating and moving mechanism (wherein the operation should be performed, and whether safety is ensured), pressing the bogie 15 returning button, moving the bogie 15 onto the auxiliary line lifting platform, pressing the auxiliary track lifting button, separating the auxiliary track bridge from the locking pin, pressing the auxiliary track loosening button, returning the locking pin, pressing the auxiliary track lowering button, and enabling the auxiliary track bridge to be flush with the rail surface of the auxiliary line.
2) And taking out the positioning block, pushing out the replaced bogie 15, pushing the bogie 15 to be replaced, and putting the bogie into the positioning block.
3) Pressing an auxiliary track lifting button to lift an auxiliary track bridge to a certain height of an auxiliary line track, pressing an auxiliary track lock button to extend a locking pin out of the track bridge to automatically slightly lower, wherein a cover plate (the auxiliary track bridge) is flush with the auxiliary line track surface (ground), the cover plate is in a locking state, a bogie 15 is in butt joint with a moving mechanism, pressing a bogie 15 entering button, moving the bogie 15 onto a main line lifting platform, pressing a main track lifting button (which can be clicked and stopped at any time to observe whether smooth and safe installation can be realized), lifting the track bridge above a main line train track, pressing the main track lock button to extend the locking pin, and automatically slightly lowering the main track bridge to be flush with a main line track connection rail of the train.
g. The operator of the auxiliary operation panel presses the confirmation button for a long time to cancel the confirmation (turn off the indicator lamp), and switches the operation mode (cancel the replacement operation of the bogie 15, switch to the operation of the bogie). Select (left carriage 13 control interface) press carriage 13 lower button, lower carriage 13 to lowest (home position), disengage telescoping arm from train press carriage 13 retract button, retract telescoping arm (home position) press carriage 13 move right button, move carriage 13 to rightmost operating face (home position). The operation of the main and auxiliary operation surfaces is the same.
h. The truck 15 replacement is finished. And loosening the positioning bolt and taking down the positioning block.
i. The attachment of the bogie 15 to the vehicle body is reassembled.
j. And confirming the initial running state of the equipment.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above-mentioned embodiments are only for illustrating the technical idea and features of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it, and not to limit the protection scope of the present invention by this, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (9)

1. The utility model provides a large-scale equipment changes device under railway passenger vehicle car which characterized in that: the method comprises the following steps:
the two vehicle body lifting assemblies (3) are symmetrically arranged on two sides of the movable track bridge (8) and comprise a transverse moving base (301), a supporting sliding block (302) and a portal frame beam (303); the top parts of the two upright posts (304) are supported and provided with a portal frame beam (303), the portal frame beam (303) is provided with a horizontal moving transverse base (301), the transverse moving base (301) is provided with a bearing sliding block (302), the bearing sliding block (302) can enter and exit the bottom of the transverse moving base (301) and can be inserted into a corresponding fixed hole of the vehicle body,
the bogie lifting assembly (4) comprises a support frame (401), a guide supporting plate (402), a rotating oil cylinder (403), a rotating shaft (404) and a movable supporting plate (405); the bottom of the support frame (401) is provided with a first motor which is matched with a rack on the anti-skidding cover plate (12) and can drive the support frame (401) to horizontally move to the position near the movable track bridge (8) on the lifting track (5); the bottom of the guide supporting plate (402) is provided with a rotating oil cylinder (403), two sides of the guide supporting plate are provided with rotating shafts (404) which are hinged with the supporting frame (401), the guide supporting plate (402) can be driven by the rotating oil cylinder (403) to rotate and can be kept in a horizontal state, and the guide supporting plate (402) is provided with a second motor; the movable supporting plate (405) is arranged at the upper part of the guide supporting plate (402), the bottom of the movable supporting plate is provided with a rack which is matched with a second motor, the movable supporting plate can move relative to the guide supporting plate (402) and is matched with the guide supporting plate (402) to support the bogie (15),
the movable track bridge (8) comprises two tracks and a connecting vertical plate for connecting the two tracks, a wheel pair of the bogie (15) can move on the movable track bridge (8), and the bottom of the movable track bridge (8) is connected with a bracket (13); the bracket (13) is integral, the bottom of the bracket is connected with a cylinder barrel of the lifting oil cylinder (14), the bracket (13) is driven by the lifting oil cylinder (14) to lift so as to drive the movable track bridge (8) to lift,
two wheel set supporting components (2) are symmetrically arranged on two sides of the bogie lifting component (4), comprise hydraulic oil cylinders and can be close to the movable track bridge (8) along the lifting track (5), the top supporting plate supports the wheel set suspension when the hydraulic oil cylinders lift, and supports the wheel sets which are not replaced,
the transverse moving assembly (7) comprises a motor, a transmission shaft, a transmission chain and push plates, the chains are symmetrically arranged in two groups, the motor drives the transmission shaft to rotate, the push plates are driven to move back and forth, and the movable track bridge (8) is driven to horizontally move to a replacement area along the replacement track (10).
2. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: a horizontal driving motor, a lifting driving motor and a worm and gear reduction box are mounted on the transverse moving base (301), and a gear mounted on an output shaft of the driving motor is matched with a rack at the top of the portal frame beam (303) to drive the transverse moving base (301) to move horizontally; the lifting driving motor is matched with the worm gear reduction box and the lead screw to drive the movable part of the transverse moving base (301) to lift; the supporting sliding block (302) can be longitudinally inserted into and extended out of the vehicle body fixing hole under the driving of the telescopic driving motor.
3. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: a plurality of uniformly-distributed circular reference sleeves are installed on the upper portion of the bracket (13), conical positioning shafts are installed in the reference sleeves, and the positioning shafts are matched with conical holes in the top of the movable track bridge (8).
4. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: the wheel pair further comprises an inserting block rubber which can be inserted on the movable track bridge (8) to block the rotation of the wheel pair.
5. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: the movable track bridge is characterized by further comprising a first locking mechanism (6) and a second locking mechanism (9), wherein the first locking mechanism and the second locking mechanism are respectively provided with two locking mechanisms, the two locking mechanisms are respectively and symmetrically arranged at the initial position and the key position when the movable track bridge (8) moves, and the movable track bridge (8) can be limited to move through a telescopic push rod.
6. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: an inserting sleeve is installed on the side face of the movable track bridge (8), and the push plate can be inserted into the inserting sleeve when the movable track bridge (8) is lifted.
7. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: the hydraulic control system also comprises a control cabinet (11), an electric control system and a hydraulic control system.
8. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: guide posts (16) are installed on the lower portion of the bracket (13), two guide posts (16) are symmetrically installed at the bottom of the bracket (13), and multiple groups of linear guide rails are installed on the side faces of the guide posts (16) and matched with linear bearings on a fixed support to guide the bracket (13) in the lifting process.
9. The apparatus for replacing large-scale equipment under a railway passenger vehicle as claimed in claim 1, wherein: the device is characterized by further comprising an installation foundation (1), wherein the installation foundation (1) is provided with a footpath, a supporting platform, a replacing tunnel (101) and an overhauling tunnel (102), and a vehicle body lifting assembly (3), a bogie lifting assembly (4), a wheel pair supporting assembly (2), a lifting track (5), a replacing track (10) and a control cabinet (11) are installed in the replacing tunnel (101) on the supporting platform; a lifting oil cylinder (14), a guide post (16) and a bracket (13) are arranged in the replacement gallery (101); and a lifting oil cylinder and a guide post (16) are arranged in the maintenance gallery (102).
CN202210982504.2A 2022-08-16 2022-08-16 Large-scale equipment replacing device under railway passenger vehicle Pending CN115041940A (en)

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