CN218703251U - U-shaped beam bogie for electric transmission steel rail flaw detection vehicle - Google Patents

Abstract

The U-shaped cross beam bogie for the electric transmission steel rail flaw detection vehicle comprises a framework, wherein the framework is an H-shaped integrally welded structure consisting of side beams and cross beams, the side beams are in a straight beam structure, and the cross beams are in a U-shaped beam structure with a concave middle part; the lower parts of two ends of the framework are provided with wheel set axle box positioning devices, the upper parts of the middles of the side beams of the framework are provided with secondary suspension devices, the middle of the upper part of the cross beam of the framework is provided with a traction device, and two sides of the cross beam are provided with a foundation brake device and a driving device. The utility model provides a traditional subway rail detects a flaw automobile-used power bogie can't install traction motor and telex gear box's problem, through the design of structural module, unified subway telex rail flaw detection car and car connection's secondary linkage and draw gear simultaneously, effectively improved whole car dynamic performance, reduction production manufacturing cost.

Description

U-shaped beam bogie for electric transmission steel rail flaw detection vehicle

Technical Field

The utility model belongs to the technical field of the bogie, concretely relates to telex rail is detected a flaw and is used automobile-used U-shaped crossbeam bogie.

Background

With the rapid development of railway industry in China, the research and application technology of rail-mounted machinery for building matching service for railway facilities is gradually improved. On the premise of meeting railway operation requirements, the rail engineering vehicle also meets increasingly severe requirements in the aspects of complex line conditions (small curves and small limits), low full-life cycle cost (wheel rail abrasion and energy consumption), better application performance and the like. The bogie has the following functions as a running part of the railway engineering vehicle: 1. bearing the load of each part above the frame; 2. the traction force is ensured to be generated by the adhesion between the wheel rails; 3. the running stability and stability of the vehicle are improved; ensuring that the vehicle stops within a specified distance; 5. the curve passing of the vehicle is ensured. The quality of the structure performance of the bogie directly influences the traction braking performance, the running quality, the running safety and the like of the railway engineering vehicle.

With the establishment of the national double-carbon strategy and the improvement requirement of subway tunnel operation on the practical situation of internal combustion power smoke exhaust difficulty, the electric transmission of the subway steel rail flaw detection vehicle is a future development trend and is different from the subway steel rail flaw detection vehicle, the traditional subway flaw detection vehicle in China is usually single-section marshalling based on cost consideration, each steel rail flaw detection vehicle uses two bogies, a B-2 shaft type is used, a power bogie is used for traction driving, and a non-power bogie is used for mounting a steel rail flaw detection trolley.

Because the flaw detection trolley needs to occupy a large amount of space below the bogie, the solution of the bogie of the traditional internal combustion power steel rail flaw detection trolley is to adopt a flat side beam (non-fish-bellied type, the middle part of the side beam is not recessed), and the height of a framework cross beam from a rail surface is increased, so that the steel rail flaw detection trolley is arranged below the cross beam, and meanwhile, because the power bogie wheel used by the traditional hydraulic transmission steel rail flaw detection trolley also needs to penetrate through an inter-wheel transmission shaft from the side beam, the power bogie framework can also adopt a similar structural form.

However, for the electric power driven bogie, because the suspension requirements of the gearbox suspension rod and the traction motor (the height of the suspension point is far lower than the lower plane of the beam of the framework), the power bogie design can not be carried out by using the framework which is not the same as the power bogie, and the height of the beam must be reduced. Meanwhile, the power bogie and the non-power bogie belong to the same steel rail flaw detection vehicle, and the secondary suspension and traction device is required to be kept in a unified mode with the non-power bogie, so that the height of the side beam of the framework cannot be reduced.

Based on above background, this application has proposed a neotype power bogie that has the power bogie of the electric drive bogie replacement traditional subway rail flaw detection car of U-shaped crossbeam. There is therefore a need for improvements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides an it detects a flaw automobile-used U-shaped crossbeam bogie to pass through to transfer to say the rail, the utility model provides a traditional subway rail detect a flaw automobile-used power bogie can't install traction motor and the problem of passing through to transfer to say the gear box, simultaneously through the design of structural module, unified subway transfer to say that the rail flaw detector car and car connection's secondary suspension and draw gear, effectively improve whole car dynamic performance, reduction production manufacturing cost.

The utility model adopts the technical proposal that: the U-shaped cross beam bogie for the electric transmission steel rail flaw detection vehicle comprises a framework, wherein the framework is an H-shaped integrally welded structure consisting of side beams and cross beams, the side beams are in a straight beam structure, and the cross beams are in a U-shaped beam structure with the middle part being concave; wheel-set axle box positioning devices are arranged on the lower portions of the two ends of the framework, a secondary suspension device is arranged on the upper portion of the middle of a side beam of the framework, a traction device is arranged in the middle of the upper portion of a cross beam of the framework, and a foundation braking device and a driving device are arranged on the two sides of the cross beam.

In a preferable mode of the scheme, the framework is provided with a plurality of equipment installation hanging seats; specifically, the side beam is of a box-section linear beam structure, a secondary steel spring seat is arranged in the middle of the upper part of the side beam, a primary vertical damper seat is arranged at each of two ends of the side beam, and a primary spring seat, a rotary arm positioning node seat, a unit brake mounting seat and a secondary vertical damper seat are arranged at the lower parts of each of two ends of the side beam; the transverse beam is a U-shaped transverse beam with a box-shaped cross section, a transverse stop seat, a traction pull rod seat A and a secondary transverse shock absorber seat are arranged on a concave U-shaped surface on the transverse beam, and a traction motor hanging seat and a gear box hanging seat are arranged on two side surfaces of the transverse beam.

In a preferred mode of the scheme, each set of wheel set axle box positioning device comprises 1 set of wheel set, two sets of primary suspensions, two sets of axle box assemblies and two sets of primary positioning; the primary suspension comprises a steel spring, a rubber pad and a vertical shock absorber, the rubber pad is arranged between the bottom of the steel spring and the axle box, the vertical shock absorber is arranged on an installation seat at the tail of the axle box, one end of the vertical shock absorber is connected with the framework through a primary vertical shock absorber seat and a fastener, and the other end of the vertical shock absorber is connected with the axle box through a fastener; the first chain is positioned and arranged in the axle box node mounting hole.

In a preferable mode of the above scheme, the secondary suspension device includes 2 secondary vertical shock absorbers, 2 secondary transverse shock absorbers, 4 secondary steel springs and 8 rubber shock absorbing pads, and two ends of each secondary steel spring are respectively provided with one rubber shock absorbing pad and are respectively positioned and mounted on the secondary steel spring seats on the framework and the secondary steel spring seats corresponding to the vehicle body ends through pin shafts.

To the preferred mode of above-mentioned scheme, draw gear includes nose bar, core pin, center pin bushing, traction pull rod and horizontal backstop, the core pin passes through welded mode and connects on automobile body chassis core pin bedplate, the center pin bushing passes through interference fit to be installed in the hole of nose bar, the center pin bushing passes through the fastener and forms conical surface cooperation and install on the core pin with the conical nose pin of core pin within a definite time, it has traction pull rod seat B and vertical backstop seat to integrate on the nose bar, traction pull rod one end is passed through the fastener and is connected with traction pull rod seat B on the nose bar, the traction pull rod other end and the traction pull rod seat A on the framework, the vertical backstop seat that sets up on the nose bar rises when the whole car lifts by crane and holds up the framework with the contact of the horizontal shock absorber seat of the second system on the crossbeam of whole car on the framework.

In a preferable mode of the above scheme, the foundation braking device is symmetrically arranged on the inner side of the framework in an outer arrangement mode and comprises two unit brakes A and two unit brakes B, the two unit brakes A have a parking braking function, and the two unit brakes B do not have a parking braking function.

In a preferred mode of the above aspect, the driving device includes a traction motor mounted on a traction motor mount on the frame, and a gear box connected to a gear box mount on the frame via a gear box boom, and the traction motor and the gear box are connected via a coupling.

Compared with the prior art, the utility model advantage:

1. compared with a power bogie of a traditional subway steel rail flaw detection vehicle, the power bogie has the advantages that the framework is of the U-shaped cross beam structure, the height of the cross beam is reduced on the premise that the height of the side beam is not reduced and the same secondary suspension device is kept for the non-power bogie, the height of the cross beam is reduced on the premise that the conventional bogie and a vehicle body interface are provided, the suspension mounting requirements of driving device components such as a traction motor and a gear box are met, the functions of traction and flaw detection can be simultaneously realized on one steel rail flaw detection vehicle, the vehicle application cost is saved, and the economical efficiency is higher;

2. according to the scheme, through the modular design of internal parts, serial design of parameters influencing vehicle functions such as secondary suspension rigidity, foundation braking multiplying power, gear box transmission ratio and the like is realized on the premise that the interface and the overall dimension are unchanged, so that the bogie can adapt to the application requirements of various engineering vehicles, and the applicability of the bogie is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the framework of the present invention;

fig. 3 is a schematic perspective view of the middle wheel-set axle box positioning device of the present invention;

FIG. 4 is a schematic perspective view of the secondary suspension device of the present invention;

fig. 5 is a schematic perspective view of the middle traction device of the present invention;

fig. 6 is a schematic perspective view of the foundation brake device of the present invention;

fig. 7 is a schematic perspective view of the driving device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Referring to fig. 1-7, embodiments of the present invention are detailed.

The U-shaped cross beam bogie for the electric transmission steel rail flaw detection vehicle is shown in figure 1 and comprises a framework 1 serving as a bearing main body, wherein the framework 1 is an H-shaped integrally welded structure consisting of side beams 1-1 and cross beams 1-2, the side beams 1-1 are in a straight beam structure, and the cross beams 1-2 are in a U-shaped beam structure with a concave middle part; wheel-set axle box positioning devices 2 are arranged at the lower parts of two ends of the framework 1, a secondary suspension device 3 is arranged at the upper part of the middle of a side beam 1-1 of the framework 1, a traction device 4 is arranged at the middle of the upper part of a cross beam 1-2 of the framework 1, and a foundation braking device 5 and a driving device 6 are arranged on two sides of the cross beam 1-2.

And a plurality of equipment mounting hanging seats are arranged on the framework 1. Referring to fig. 2, the welding type frame is different from a traditional welding type frame, the side beam 1-1 is of a box-shaped cross section and adopts a straight beam structure without a fish belly in the middle, the middle of the upper part of the side beam 1-1 is provided with a secondary steel spring seat 1-3, two ends of the side beam 1-1 are provided with a primary vertical damper seat 1-5, and the lower parts of two ends of the side beam 1-1 are provided with a primary spring seat 1-7, a rotary arm positioning node seat 1-8, a unit brake mounting seat 1-9 and a secondary vertical damper seat 1-11. In order to arrange a traction motor hanging seat and a gear box hanging seat, the cross beam 1-2 is a U-shaped cross beam with a box-shaped cross section and a concave middle part, a transverse stop seat 1-4, a traction pull rod seat A1-10 and a secondary transverse shock absorber seat 1-13 are arranged on a concave U-shaped surface on the cross beam 1-2, and traction motor hanging seats 1-6 and gear box hanging seats 1-12 are arranged on two side surfaces of the cross beam 1-2.

Referring to fig. 3, each set of wheel-set axle box positioning device 2 comprises 1 set of wheel sets 2-1, two sets of primary suspensions 2-2, two sets of axle box assemblies 2-3 and two sets of primary positioning 2-4. The wheel set axle box positioning device 2 realizes the elastic positioning between the axle box assembly 2-3, the wheel set 2-1 and the framework 1 through a primary suspension 2-2 and a primary positioning 2-4. The wheel pair 2-1 is composed of an axle and wheels symmetrically arranged at two ends of the axle, the two axle box assemblies 2-3 are symmetrically arranged at the outer sides of the wheels, the axle bearing seats are arranged at the inner sides of the wheels, the length of the axle is greatly shortened, the mass of the axle is reduced, the wheels are symmetrically arranged at two ends of the axle, and the distance between the inner sides of the wheel pair is 1353mm. The primary suspension 2-2 consists of a steel spring, a rubber pad and a vertical shock absorber, the rubber pad is arranged between the bottom of the steel spring and the axle box, the vertical shock absorber is arranged on an installation seat at the tail of the axle box, one end of the vertical shock absorber is connected with the framework 1 through a primary vertical shock absorber seat 1-5 and a fastening piece, and the other end of the vertical shock absorber is connected with the axle box through a fastening piece. The primary suspension 2-2 provides a large static deflection and good damping as a primary support. The primary positioning 2-4 is arranged in the axle box node mounting hole, provides primary positioning rigidity and meets the requirement of anti-snaking stability of the bogie.

Referring to fig. 4, the secondary suspension device 3 adopts 4 symmetrically distributed cylindrical spiral secondary steel springs 3-3 and 8 rubber damping pads 3-4 arranged at two ends of the secondary steel springs 3-3, and is provided with 2 secondary vertical shock absorbers 3-1 and 2 secondary transverse shock absorbers 3-2 in a matched manner, two ends of each secondary steel spring 3-3 are respectively provided with one rubber damping pad 3-4 and are respectively positioned and installed on a secondary steel spring seat 1-3 on the framework 1 and a secondary steel spring seat corresponding to the vehicle body end through a pin shaft so as to bear the upper load of the vehicle, and the secondary vertical shock absorbers 3-1 and the secondary transverse shock absorbers 3-2 are matched to improve the vehicle running quality and curve passing capacity. The secondary suspension device 3 is constructed to suppress lateral and vertical vibration and hunting motion when the vehicle runs in a straight line, and static and dynamic loads on the upper part of the vehicle body and lateral loads of the vehicle body and the bogie are transmitted through the cylindrical coil steel spring. The vibration absorption and sound insulation device is characterized by simple structure, light weight, good vibration absorption and sound insulation, and capability of generating restoring moment and restoring force so as to restore the original position between the bogie and the vehicle body and well improve the stability of the transverse running of the rail engineering vehicle.

Referring to fig. 5, the traction device 4 adopts a centrally-arranged zigzag traction pull rod traction manner, the frame and the bogie can be connected together through the traction device 4, the traction force and the braking force can be effectively transmitted to the upper part of the vehicle body, and various external steering forces between the vehicle body and the bogie can be borne. The traction beam comprises a traction beam 4-1, a center pin 4-2, a center pin sleeve 4-3, a traction pull rod 4-4 and a transverse stop 4-5, wherein the center pin 4-2 is connected to a center pin base plate of a vehicle body underframe in a welding mode, the lower end of the center pin 4-2 is inserted into the traction beam 4-1, and the center pin 4-2 and the traction beam 4-1 are fixed together through the center pin sleeve 4-3. The central pin sleeve 4-3 is arranged in an inner hole of the traction beam 4-1 in an interference fit manner, and the central pin sleeve 4-3 is arranged on the central pin 4-2 by forming a conical surface fit between a fastener and a conical inner surface thereof and a conical traction pin of the central pin 4-2; the traction beam 4-1 is connected with the framework 1 through two traction pull rods 4-4 arranged in a Z shape, a traction pull rod seat B4-1-1 and a vertical stop seat 4-1-2 are integrated on the traction beam 4-1, one end of each traction pull rod 4-4 is connected with the traction pull rod seat B4-1-1 on the traction beam 4-1 through a fastener, and the other end of each traction pull rod 4-4 is connected with a traction pull rod seat A1-10 on the framework 1 and used for transmitting vehicle traction and braking, so that gapless traction and braking functions are achieved. The vertical stop seat 4-1-2 arranged on the traction beam 4-1 has the function that when the whole vehicle is lifted, the whole vehicle rises to contact with the secondary transverse shock absorber seat 1-13 on the cross beam 1-2 of the framework to support the framework 1, so that the binding-free lifting (hoisting) function between the vehicle body and the bogie is realized. The central pin bush 4-3 is formed by vulcanizing metal rubber, the central pin bush eliminates gaps among the central pin, the central pin bush and the traction beam, gapless traction is realized, and rubber deformation of the central pin bush can meet relative rotation between a vehicle body and a bogie, so that abrasion is eliminated. The transverse backstop adopts a rubber buffer pile structure, is made of rubber and metal plates through vulcanization, is used for limiting the transverse swing of the vehicle body, has a certain compression amount, has proper elasticity to meet the requirement of comfort, and is provided with a rigid mechanical backstop to limit the overlarge transverse displacement of the vehicle body. The traction device with the matched conical surface is easier to disassemble, and the rapid disassembly of the vehicle body and the bogie is realized.

Referring to fig. 6, the foundation brake device 5 adopts a unit brake single-side tread brake mode, and the outer side of the unit brake is symmetrically arranged on the inner side of the framework 1 to provide braking force for the vehicle. The brake comprises four unit brakes, including two unit brakes A5-1 and two unit brakes B5-2, wherein the two unit brakes 5-1A have parking brake function and are arranged in an oblique symmetrical mode, and the two unit brakes B5-2 do not have parking brake function.

Referring to fig. 7, the driving device 6 comprises a traction motor 6-1 mounted on a traction motor hanger 1-6 on the frame 1 and a gear box 6-3 connected with a gear box hanger 1-12 on the frame 1 through a gear box hanger rod, wherein the traction motor 6-1 and the gear box 6-3 are connected through a coupling 6-2. The traction torque generated by the traction motor 6-1 is output to the gear box 6-3 and the axle through the coupling 6-2, and the driving wheel pair rotates to drive the whole vehicle to move.

The utility model provides a traditional subway rail detects a flaw automobile-used power bogie can't install traction motor and telex gear box's problem, through the design of structural module, unified subway telex rail flaw detection car and car connection's secondary linkage and draw gear simultaneously, effectively improved whole car dynamic performance, reduction production manufacturing cost.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. Telex rail is U-shaped crossbeam bogie for flaw detection car, its characterized in that: the structure comprises a framework (1), wherein the framework (1) is an H-shaped integrally welded structure consisting of side beams (1-1) and cross beams (1-2), the side beams (1-1) are in a straight beam structure, and the cross beams (1-2) are in a U-shaped beam structure with the middle part being concave; wheel set axle box positioning devices (2) are arranged on the lower portions of two ends of the framework (1), secondary suspension devices (3) are arranged on the upper portions of the middles of side beams (1-1) of the framework (1), traction devices (4) are arranged in the middles of the upper portions of cross beams (1-2) of the framework (1), and foundation braking devices (5) and driving devices (6) are arranged on two sides of the cross beams (1-2).

2. The U-beam bogie for electric rail flaw detection vehicle according to claim 1, characterized in that: the framework (1) is provided with a plurality of equipment mounting hanging seats; specifically, the side beam (1-1) is of a box-section linear beam structure, a secondary steel spring seat (1-3) is arranged in the middle of the upper part of the side beam (1-1), primary vertical damper seats (1-5) are arranged at two ends of the side beam (1-1), and a primary spring seat (1-7), a rotary arm positioning node seat (1-8), a unit brake mounting seat (1-9) and a secondary vertical damper seat (1-11) are arranged at the lower parts of two ends of the side beam (1-1); the transverse beam (1-2) is a U-shaped transverse beam with a box-shaped cross section, a transverse stop seat (1-4), a traction pull rod seat A (1-10) and a secondary transverse shock absorber seat (1-13) are arranged on a concave U-shaped surface on the transverse beam (1-2), and a traction motor hanging seat (1-6) and a gear box hanging seat (1-12) are arranged on two side surfaces of the transverse beam (1-2).

3. The U-beam bogie for electric rail flaw detection vehicle according to claim 2, characterized in that: each set of wheel set axle box positioning device (2) comprises 1 set of wheel set (2-1), two sets of primary suspensions (2-2), two sets of axle box assemblies (2-3) and two sets of primary positioning (2-4); the primary suspension (2-2) consists of a steel spring, a rubber pad and a vertical shock absorber, the rubber pad is arranged between the bottom of the steel spring and the axle box, the vertical shock absorber is arranged on an installation seat at the tail part of the axle box, one end of the vertical shock absorber is connected with the framework (1) through a primary vertical shock absorber seat (1-5) and a fastener, and the other end of the vertical shock absorber is connected with the axle box through the fastener; the series of positioning pins (2-4) are installed in the axle box node installation holes.

4. The U-beam bogie for electric rail flaw detection vehicle according to claim 2, characterized in that: the secondary suspension device (3) comprises 2 secondary vertical shock absorbers (3-1), 2 secondary transverse shock absorbers (3-2), 4 secondary steel springs (3-3) and 8 rubber shock pads (3-4), wherein two ends of each secondary steel spring (3-3) are respectively provided with one rubber shock pad (3-4) and are respectively positioned and installed on a secondary steel spring seat (1-3) on the framework (1) and a secondary steel spring seat corresponding to the end of the vehicle body through a pin shaft.

5. The U-beam bogie for electric rail flaw detection vehicle according to claim 2, characterized in that: the traction device (4) comprises a traction beam (4-1), a central pin (4-2), a central pin sleeve (4-3), a traction pull rod (4-4) and a transverse stop (4-5), the center pin (4-2) is connected on a center pin base plate of the underframe of the vehicle body in a welding way, the central pin bush (4-3) is arranged in an inner hole of the traction beam (4-1) in an interference fit manner, the central pin sleeve (4-3) is installed on the central pin (4-2) through the conical surface matching between the fastener and the conical inner surface thereof and the conical traction pin of the central pin (4-2), a traction pull rod seat B (4-1-1) and a vertical stop seat (4-1-2) are integrated on the traction beam (4-1), one end of the traction pull rod (4-4) is connected with a traction pull rod seat B (4-1-1) on the traction beam (4-1) through a fastener, the other end of the traction pull rod (4-4) is connected with a traction pull rod seat A (1-10) on the framework (1), and the vertical stop seats (4-1-2) arranged on the traction beam (4-1) support the framework (1) when the whole vehicle is lifted and the whole vehicle rises to be in contact with the secondary transverse shock absorber seats (1-13) on the cross beam (1-2) of the framework.

6. The U-beam bogie for electric rail flaw detection vehicle according to claim 2, characterized in that: the basic brake device (5) is symmetrically arranged on the inner side of the framework (1) in an outer side arrangement mode and comprises two unit brakes A (5-1) and two unit brakes B (5-2), the two unit brakes A (5-1) have a parking brake function, and the two unit brakes B (5-2) do not have the parking brake function.

7. The U-beam bogie for electric rail flaw detection vehicle according to claim 2, characterized in that: the driving device (6) comprises a traction motor (6-1) arranged on a traction motor hanging seat (1-6) on the framework (1) and a gear box (6-3) connected with a gear box hanging seat (1-12) on the framework (1) through a gear box hanging rod, wherein the traction motor (6-1) and the gear box (6-3) are connected through a coupling (6-2).

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