CN110920669A - Universal low-floor train process bogie - Google Patents
Universal low-floor train process bogie Download PDFInfo
- Publication number
- CN110920669A CN110920669A CN201911391230.4A CN201911391230A CN110920669A CN 110920669 A CN110920669 A CN 110920669A CN 201911391230 A CN201911391230 A CN 201911391230A CN 110920669 A CN110920669 A CN 110920669A
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- technical
- bogie
- axle
- fixedly connected
- trailer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
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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
- B61F3/00—Types of bogies
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A general low-floor train process bogie belongs to the field of auxiliary devices for railway train maintenance and comprises two sets of process wheel sets, wherein each process wheel set comprises a process axle and two process wheels connected to two ends of the process axle through shafts; the technical bogie also comprises a technical cross beam, two technical side beams, a parking brake mechanism, four technical axle boxes, two technical traction pull rods, four trailer technical side bearings and two bullet train technical side bearings. The universal low-floor train process bogie can be respectively used for replacing a power bogie or a trailer bogie according to different requirements, and has better universality.
Description
Technical Field
The invention belongs to the field of auxiliary devices for rail train maintenance, and particularly relates to a universal low-floor train process bogie.
Background
The bogie of the rail train with the driving motor is called a power bogie, the train bogie without the driving motor is commonly called a trailer bogie, the power bogie frame and the trailer bogie frame of the conventional low-floor trains of various types are similar H-shaped frames, and the main difference between the two frames is that a core disc traction seat with a lower mass center position is arranged in the center of a cross beam of the power bogie, and a similar core disc traction seat structure is not arranged in the center of the cross beam of the trailer frame, so the height of the upper end surface of the cross beam of the trailer frame is usually the same as that of the upper end surface of a side beam of the trailer frame, and a downward concave structure with a lower mass center does not exist. Meanwhile, the middle section of the side beam of the motor car bogie is provided with a flat-plate-shaped motor car side bearing seat, and the middle section of the side beam of the trailer is provided with two side beam side bearing pin seats which are mirror images of each other. In addition, a group of traction pull rod structures are symmetrically arranged on the left side and the right side of the outer side walls of the two side beams of the bullet train and the trailer.
Because foretell multiple difference is showing when leading to current bogie to overhaul, do not have the automobile body frame car of commonality and support and the migration device, traditional trench operation space is narrow and small, and need occupy exclusive place. Although the conventional car lifting jack equipment set can realize the automatic lifting of a car body, the car lifting jack equipment set needs to use four car driving machines arranged according to a rectangle to synchronously operate, the control difficulty is high, the purchase cost is high, the car lifting jack equipment set does not have the flexible moving and transferring function, and the risk that a framework is scratched and damaged during maintenance is increased. And the basic requirement of hanging and replacing parts cannot be met by implementing maintenance under the condition of keeping the car body and the framework not separated. Therefore, a general process bogie capable of replacing a motor train frame and a trailer frame simultaneously needs to be developed to meet the requirements of vehicle body support and transfer and migration during maintenance.
Disclosure of Invention
The invention provides a universal low-floor train process bogie, aiming at solving the technical problems that the conventional bogie does not have a universal vehicle body frame vehicle supporting and transferring device during maintenance, and a universal process bogie capable of simultaneously replacing a motor train frame and a trailer frame is urgently needed to be developed so as to simultaneously meet the requirements of vehicle body supporting, transferring and transferring during vehicle body maintenance.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the general low-floor train process bogie comprises two sets of process wheel sets, wherein each process wheel set comprises a process axle and two process wheels connected with the two ends of the process axle through shafts; the process bogie also comprises a process cross beam, two process side beams, a parking brake mechanism, four process axle boxes, two process traction pull rods, four trailer process side bearings and two bullet train process side bearings; every two process axle boxes are used as a group, the two process axle boxes are symmetrically arranged at two ends of a corresponding process axle, and the process axle boxes are rotationally connected with the axle ends of the process axle through bearings inside the process axle boxes;
the two process side beams are parallel to each other and are arranged in mirror symmetry with each other, the middle sections of the two process side beams are fixedly connected with each other through a process cross beam, and the process cross beam and the two process side beams jointly form a process framework device; the center of the upper end surface of each technical side beam is provided with two motor car technical side bearing mounting screw holes, and two sides of each motor car technical side bearing mounting screw hole are symmetrically provided with two trailer technical side bearing mounting screw holes; each motor car process side bearing seat is detachably fixedly connected with two motor car process side bearing seat mounting screw holes on the corresponding process side beams one by one through countersunk bolts; each trailer process side bearing seat is in threaded connection with a trailer process side bearing seat mounting screw hole on the corresponding process side beam in a detachable mode through a screw rod section at the bottom of the trailer process side bearing seat; each process traction pull rod is fixedly connected to the middle section of the outer side wall of the corresponding process side beam one by one, and the two process traction pull rods are in mirror symmetry with each other;
the upper ends of the two process axle boxes positioned on the same process axle are fixedly connected with the lower end face of one corresponding process side beam respectively; the parking brake mechanism is used for applying brake friction force to a set of process wheel sets and keeping the process wheel sets incapable of rotating during parking, two ends of the parking brake mechanism are fixedly connected with one corresponding process side beam respectively, and a brake pad mechanism on the parking brake mechanism is abutted to the inner side wall of one corresponding process wheel.
The process beam comprises a V-shaped groove beam body, a lower center plate and a wear-resisting plate, wherein a V-shaped through groove with an upward opening is formed in the middle section of the V-shaped groove beam body, the lower end face of the wear-resisting plate is fixedly connected with the center of the bottom face of the V-shaped through groove, and the lower center plate is coaxially and fixedly connected with the center of the wear-resisting plate.
The parking brake mechanism comprises two suspension type shaft seats, two hand wheels, a screw rod rotating shaft and a brake pad mechanism, wherein the rotating shaft is respectively in threaded connection with corresponding screw holes on the two suspension type shaft seats, and the three components form a screw rod mechanism together; the two hand wheels are respectively and coaxially fixedly connected with two ends of the rotating shaft, and the brake pad mechanism is coaxially and fixedly connected with the rotating shaft of the screw rod.
The invention has the beneficial effects that: the universal low-floor train process bogie comprises a process cross beam and two process side beams, wherein the process cross beam and the two process side beams jointly form an H-shaped process frame device, the depth value of a V-shaped groove on a V-shaped groove cross beam body is matched and arranged according to the height of a traction bolster on the bottom of a power bogie body corresponding to a vehicle type to be overhauled, a lower center plate is used for being coaxially butted with an upper center plate shaft hole in the center of the bottom of a central traction seat on the power bogie of the vehicle type to be overhauled, and therefore the traction bolster on the bottom of the power bogie body corresponding to the vehicle type to be overhauled can be reduced and fall into the V-shaped groove cross beam body on the process bogie. The two sides of the process frame device are provided with process traction pull rods matched with traction pull rod connecting seats at the bottom of a power bogie body of a vehicle type to be overhauled, the upper end surfaces of the two process side beams are respectively provided with a bullet train process side bearing seat and a trailer process side bearing seat which are matched with a corresponding vehicle body of the vehicle type to be overhauled in a detachable mode, and the bullet train process side bearing seat and the trailer process side bearing seat can be selected, flexibly assembled or disassembled according to actual conditions, so that the universal low-floor train process bogie can be respectively used for replacing the power bogie or the trailer bogie according to different requirements, and has better universality.
Two sets of process wheel set shafts designed to be matched with the conventional track gauge are connected to the bottom of a process side beam of a process frame device, so that the universal low-floor train process bogie can realize flexible transfer of a train body along a track and pass through a small curve bend. The parking brake mechanism fixedly connected to the bottom of the process frame device enables the brake pad mechanism fixedly connected to the screw rod rotating shaft to horizontally move along the axial direction of the screw rod rotating shaft, so that the brake pad mechanism tightly abuts against the inner side wall of a rim of the process wheel, and further, braking friction force and parking static friction force for preventing the process wheel from rotating are applied to the process wheel.
In addition, the universal low-floor train process bogie also has the advantages of simple and practical structure, convenience in operation, low cost, convenience in popularization and the like.
Drawings
FIG. 1 is a schematic perspective view of a universal low-floor train process truck according to the present invention;
FIG. 2 is a side view of the universal low-floor train process truck of the present invention;
FIG. 3 is an exploded view of the assembly of FIG. 1;
FIG. 4 is a schematic perspective view of a process frame assembly according to the present invention;
FIG. 5 is a partial enlarged view of portion I of FIG. 3;
FIG. 6 is a schematic perspective view of the parking brake mechanism of the present invention;
fig. 7 is a schematic perspective view of a prior art wheel pair.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, the general-purpose low-floor train process bogie of the invention comprises a process beam 1, two process side beams 2, a parking brake mechanism 3, four process axle boxes 5, two process traction rods 6, four trailer process side bearings 4, two bullet train process side bearings 7 and two sets of process wheel sets 8, wherein each process wheel set 8 comprises a process axle 8-1 and two process wheels 8-2 connected to two ends of the process axle; every two process axle boxes 5 are used as a group, the two process axle boxes are symmetrically arranged at two ends of a corresponding process axle 8-1, and the process axle boxes 5 are rotatably connected with the axle ends of the process axle 8-1 through bearings inside the process axle boxes.
The two process side beams 2 are parallel to each other and are arranged in mirror symmetry with each other, the middle sections of the two process side beams are fixedly connected with each other through a process cross beam 1, and the process cross beam 1 and the two process side beams 2 jointly form a process framework device; the center of the upper end face of each technical side beam 2 is provided with two motor car technical side bearing mounting screw holes 2-1-1, and two sides of each motor car technical side bearing mounting screw hole 2-1-1 are also symmetrically provided with two trailer technical side bearing mounting screw holes 2-1-2; each motor car process side bearing seat 7 is detachably fixedly connected with two motor car process side bearing seat mounting screw holes 2-1-1 on the corresponding process side beams 2 in a one-to-one mode through countersunk bolts; each trailer process side bearing seat 4 is detachably in threaded connection with a corresponding trailer process side bearing seat mounting screw hole 2-1-2 on the process side beam 2 in a one-to-one mode through a screw rod section at the bottom of the trailer process side bearing seat; each process traction pull rod 6 is fixedly connected to the middle section of the outer side wall of the process side beam 2 in one-to-one correspondence, and the two process traction pull rods 6 are in mirror symmetry with each other.
The upper ends of the two process axle boxes 5 positioned on the same process axle 8-1 are fixedly connected with the lower end face of one corresponding process side beam 2 respectively; the parking brake mechanism 3 is used for applying braking friction force to a set of process wheel sets 8 and keeping the process wheel sets 8 incapable of rotating during parking, two ends of the parking brake mechanism 3 are fixedly connected with one corresponding process side beam 2 respectively, and a brake pad mechanism 3-4 on the parking brake mechanism 3 is abutted to the inner side wall of one corresponding process wheel 8-2.
The process beam 1 comprises a V-shaped groove beam body 1-1, a lower center plate 1-2 and a wear-resisting plate 1-3, wherein a V-shaped through groove with an upward opening is formed in the middle section of the V-shaped groove beam body 1-1, the lower end face of the wear-resisting plate 1-3 is fixedly connected with the center of the bottom face of the V-shaped through groove, and the lower center plate 1-2 is coaxially and fixedly connected with the center of the wear-resisting plate 1-3.
The parking brake mechanism 3 comprises two suspension type shaft bases 3-1, two hand wheels 3-2, a screw rod rotating shaft 3-3 and a brake pad mechanism 3-4, wherein the rotating shaft 3-3 is respectively in threaded connection with corresponding screw holes on the two suspension type shaft bases 3-1, and the three components form a screw rod mechanism together; two hand wheels 3-2 are respectively and coaxially fixedly connected with two ends of the rotating shaft 3-3, and the brake pad mechanism 3-4 is coaxially and fixedly connected with the screw rod rotating shaft 3-3.
The slotting depth value of the V-shaped groove cross beam body 1-1 on the process bogie is matched and set according to the height of a traction and bolster buffer on the bottom center of the power bogie corresponding to the vehicle type to be overhauled; the length and width values of the technical side bearing seat 7 of the motor car on the same technical side beam 2 are matched, set and manufactured according to the size of the corresponding motor car side bearing on the power bogie of the vehicle type to be overhauled.
Meanwhile, the specific structural forms of the two trailer technical side bearings 4 on the same technical side beam 2 on the technical bogie and the distance value between the two trailer technical side bearings are matched, arranged and manufactured according to the size of the corresponding trailer side bearing on the trailer bogie of the vehicle type to be overhauled.
The universal low-floor train process bogie is directly placed on a rail of a maintenance factory, and can be respectively used for replacing a power bogie or a trailer bogie according to different requirements in specific application. When the process bogie is used for replacing a power bogie, the central traction bolster at the bottom of the power bogie of the vehicle type to be overhauled is lowered and falls into the V-shaped groove cross beam body 1-1 on the process bogie so as to meet the requirement of the assembly space of the process bogie, the lower core disc 1-2 is coaxially inserted into the upper core disc inserting hole at the center of the bottom of the central traction bolster, and the wear-resistant disc 1-3 is used for protecting the gasket. Meanwhile, a side bearing of the bullet train at the bottom of the power bogie body of the vehicle to be overhauled is respectively butted with a technical side bearing seat 7 of the bullet train, and then a technical traction pull rod 6 at the outer side of the two technical side beams 2 is respectively and rotationally connected with a traction pull rod connecting seat at the bottom of the power bogie body of the vehicle to be overhauled through a rotating shaft, so that the connection operation of the technical bogie and the power bogie body of the vehicle to be overhauled can be completed.
When the process bogie is used for replacing a trailer bogie, the trailer side bearing at the bottom of the body of the trailer bogie of the vehicle type to be overhauled is in butt joint with the trailer process side bearing seat 4, so that the connection operation of the process bogie and the body of the trailer bogie of the vehicle type to be overhauled can be completed. When a vehicle-to-be-overhauled vehicle type power bogie body or a vehicle-to-be-overhauled vehicle type trailer bogie body which is jointly supported by a plurality of universal low-floor train process bogies needs to be moved and transported, the process wheel set 8 on the process bogie can replace an actual power bogie or a trailer bogie, the train body can be flexibly transported along a track and passes through a small curve, and the actual bogie is collided or scratched during overhauling. When the car body needs to be parked and maintained at a fixed position, the hand wheel 3-2 is rotated to drive the screw rod rotating shaft 3-3 to rotate, the screw rod rotating shaft 3-3 axially displaces relative to the two suspension type shaft seats 3-1 serving as the screw nut in a screw rod mode, the brake pad mechanism 3-4 fixedly connected to the screw rod rotating shaft 3-3 horizontally moves along the axial direction of the screw rod rotating shaft 3-3, and accordingly the brake pad mechanism tightly abuts against the rim tread of the process wheel 8-2, and further brake friction force and static friction force for preventing the process wheel 8-2 from rotating are applied to the process wheel 8-2.
Claims (3)
1. The general low-floor train process bogie comprises two sets of process wheel sets (8), wherein each process wheel set comprises a process axle (8-1) and two process wheels (8-2) connected to two ends of the process axle; the method is characterized in that: the technical bogie comprises a technical cross beam (1), two technical side beams (2), a parking brake mechanism (3), four technical axle boxes (5), two technical traction pull rods (6), four trailer technical side bearings (4) and two bullet train technical side bearings (7); every two process axle boxes (5) are used as a group, the two process axle boxes are symmetrically arranged at two ends of a corresponding process axle (8-1), and the process axle boxes (5) are rotationally connected with the axle ends of the process axle (8-1) through bearings inside the process axle boxes;
the two process side beams (2) are parallel to each other and are arranged in mirror symmetry with each other, the middle sections of the two process side beams are fixedly connected with each other through a process cross beam (1), and the process cross beam (1) and the two process side beams (2) jointly form a process framework device; the center of the upper end face of each technical side beam (2) is provided with two motor car technical side bearing mounting screw holes (2-1-1), and two sides of each motor car technical side bearing mounting screw hole (2-1-1) are symmetrically provided with two trailer technical side bearing mounting screw holes (2-1-2); each motor car process side bearing seat (7) is detachably fixedly connected with two motor car process side bearing seat mounting screw holes (2-1-1) on the process side beams (2) which correspond to one another one by one through countersunk bolts; each trailer process side bearing seat (4) is detachably in threaded connection with a corresponding trailer process side bearing seat mounting screw hole (2-1-2) on the process side beam (2) in a one-to-one mode through a screw rod section at the bottom of the trailer process side bearing seat; each process traction pull rod (6) is fixedly connected to the middle section of the outer side wall of the corresponding process side beam (2), and the two process traction pull rods (6) are in mirror symmetry with each other;
the upper ends of the two process axle boxes (5) positioned on the same process axle (8-1) are fixedly connected with the lower end face of one corresponding process side beam (2) respectively; the parking brake mechanism (3) is used for applying braking friction force to a set of process wheel sets (8) and keeping the process wheel sets (8) incapable of rotating during parking, two ends of the parking brake mechanism (3) are fixedly connected with one corresponding process side beam (2) respectively, and a brake pad mechanism (3-4) on the parking brake mechanism (3) is abutted to the inner side wall of one corresponding process wheel (8-2).
2. The universal low-floor train process truck of claim 1, characterized in that: the process crossbeam (1) comprises a V-shaped groove crossbeam body (1-1), a lower center plate (1-2) and a wear-resisting plate (1-3), wherein a V-shaped through groove with an upward opening is formed in the middle section of the V-shaped groove crossbeam body (1-1), the lower end face of the wear-resisting plate (1-3) is fixedly connected with the center of the bottom face of the V-shaped through groove, and the lower center plate (1-2) is coaxially and fixedly connected with the center of the wear-resisting plate (1-3).
3. The universal low-floor train process truck of claim 2, characterized in that: the parking brake mechanism (3) comprises two suspension type shaft bases (3-1), two hand wheels (3-2), a screw rod rotating shaft (3-3) and a brake pad mechanism (3-4), wherein the rotating shaft (3-3) is respectively in threaded connection with corresponding screw holes on the two suspension type shaft bases (3-1), and the three components form a screw rod mechanism together; the two hand wheels (3-2) are respectively and coaxially fixedly connected with the two ends of the rotating shaft (3-3), and the brake pad mechanism (3-4) is coaxially and fixedly connected with the screw rod rotating shaft (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391230.4A CN110920669A (en) | 2019-12-30 | 2019-12-30 | Universal low-floor train process bogie |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911391230.4A CN110920669A (en) | 2019-12-30 | 2019-12-30 | Universal low-floor train process bogie |
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| Publication Number | Publication Date |
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| CN110920669A true CN110920669A (en) | 2020-03-27 |
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| CN201911391230.4A Pending CN110920669A (en) | 2019-12-30 | 2019-12-30 | Universal low-floor train process bogie |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158227A (en) * | 2020-09-10 | 2021-01-01 | 中车长春轨道客车股份有限公司 | General false trolley |
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2019
- 2019-12-30 CN CN201911391230.4A patent/CN110920669A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158227A (en) * | 2020-09-10 | 2021-01-01 | 中车长春轨道客车股份有限公司 | General false trolley |
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