CN211223446U - Universal low-floor train process bogie - Google Patents
Universal low-floor train process bogie Download PDFInfo
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- CN211223446U CN211223446U CN201922442856.5U CN201922442856U CN211223446U CN 211223446 U CN211223446 U CN 211223446U CN 201922442856 U CN201922442856 U CN 201922442856U CN 211223446 U CN211223446 U CN 211223446U
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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 utility model discloses a general type low floor train technology bogie can be used for replacing power bogie or trailer bogie respectively according to the demand condition of difference, has better commonality.
Description
Technical Field
The utility model belongs to rail train overhauls uses auxiliary device field, concretely relates to general type low floor train technology 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.
SUMMERY OF THE UTILITY MODEL
When solving current bogie and overhauing, do not have the automobile body frame car of commonality to support and move the device, need to develop one kind and can replace the general type technology bogie of motor car framework and trailer framework simultaneously to satisfy the automobile body when the automobile body overhauls simultaneously and support and transport the technical problem of migration demand, the utility model provides a general type low floor train technology bogie.
The utility model provides a technical scheme as follows that technical problem took:
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-resistant 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-resistant 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-resistant 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 utility model has the advantages 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 both sides of technology framework device are equipped with and wait to overhaul motorcycle type power bogie bottom of the body the traction rod connecting seat assorted technology traction rod, and the up end of two technology curb girders is equipped with respectively with the detachable mode with the motor car technology side bearing and the trailer technology side bearing that the corresponding automobile body of waiting to overhaul the motorcycle type matches each other, and its two can select according to actual conditions, nimble assembly or dismantlement, thereby make the utility model discloses a general low floor train technology bogie can be used for replacing power bogie or trailer bogie respectively according to the demand condition of difference, has better commonality.
Two sets of technology wheel set axles with conventional gauge matching design are connected in technology curb girder bottom of technology framework device, and it makes the utility model discloses a general type low-floor train technology bogie can realize that the train automobile body transports along orbital flexibility and passes through little 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 bogie of the present invention;
FIG. 2 is a side view of the utility model general low-floor train process truck;
FIG. 3 is an exploded view of the assembly of FIG. 1;
FIG. 4 is a schematic perspective view of the process frame assembly of 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 utility model discloses a general low floor train process bogie comprises a process beam 1, two process side beams 2, a parking brake mechanism 3, four process axle boxes 5, two process traction pull rods 6, four trailer process side bearing seats 4, two motor car process side bearing seats 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-resistant 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-resistant 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-resistant 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 utility model discloses a general type low floor train technology bogie directly places on the rail of maintenance factory, when concrete application, can be used for replacing power bogie or trailer bogie respectively according to the demand condition of difference. When the utility model discloses a technology bogie is used for replacing power bogie, make and wait to overhaul motorcycle type power bogie bottom center and lead to rest the head on the bottom and put down and fall to technology bogie in the V-arrangement groove crossbeam body 1-1 to satisfy its assembly space demand, and make down in the heart dish 1-2 coaxial insert center lead to rest the head on the head in the heart dish jack at head bottom center, wear-resisting dish 1-3 is used for playing the effect of protection gasket. Simultaneously, will wait to overhaul the motor car side bearing of motorcycle type power bogie bottom of car body with the utility model discloses a motor car technology side bearing seat 7 docks respectively, rotates the connection with the technology traction pull rod 6 in the 2 outsides of two technology curb girders respectively with the traction pull rod connecting seat of waiting to overhaul motorcycle type power bogie bottom of car body through the pivot again, can accomplish the operation of being connected of this technology bogie and waiting to overhaul motorcycle type power bogie automobile body.
When the utility model discloses a process bogie is used for replacing the trailer bogie, will wait to overhaul the trailer side bearing of motorcycle type trailer bogie automobile body bottom with the utility model discloses a trailer process side bearing seat 4 docks respectively, can accomplish this process bogie and the operation of being connected of waiting to overhaul motorcycle type trailer bogie automobile body. When needs are to by a plurality of the utility model discloses a common low floor train technology bogie support wait to overhaul motorcycle type power bogie automobile body or wait to overhaul motorcycle type trailer bogie automobile body and move the car when transporting, technology wheel pair 8 on this technology bogie can replace actual power bogie or trailer bogie, realizes that the train automobile body is transported and is passed through little curve bend along orbital flexibility to and actual bogie receives and collides with or the fish tail when overhauing. 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-resistant 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-resistant 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-resistant 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 |
|---|---|---|---|
| CN201922442856.5U CN211223446U (en) | 2019-12-30 | 2019-12-30 | Universal low-floor train process bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922442856.5U CN211223446U (en) | 2019-12-30 | 2019-12-30 | Universal low-floor train process bogie |
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| Publication Number | Publication Date |
|---|---|
| CN211223446U true CN211223446U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922442856.5U Active CN211223446U (en) | 2019-12-30 | 2019-12-30 | Universal low-floor train process bogie |
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| Country | Link |
|---|---|
| CN (1) | CN211223446U (en) |
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- 2019-12-30 CN CN201922442856.5U patent/CN211223446U/en active Active
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