CN212447521U - Novel rail flaw detection car bogie - Google Patents

Abstract

The utility model discloses a novel rail flaw detection vehicle bogie, which relates to the technical field of railway bogies and comprises a framework, side bearings, a traction device, a foundation braking device, a transverse shock absorber, two groups of wheel sets and a flaw detection device; the two groups of wheel sets are respectively connected with the framework through the axle bearing box; the flaw detection device is arranged between the two wheels along the direction of the steel rail, and the detection wheel of the flaw detection device can directly run on the steel rail between the two wheels. The bogie is designed into a two-shaft structure, and the second system adopts a mode that a rubber pile side bearing is connected with a transverse shock absorber in parallel, so that the problem of low flaw detection accuracy is solved; the traction device is simplified on the premise of ensuring the traction performance, the traditional Z-shaped double-pull-rod optimized low-position single-pull-rod traction device saves the manufacturing cost, is easy to assemble, and ensures that the whole vehicle has good running quality, high critical speed, good curve passing performance, small axle weight transfer and high flaw detection accuracy.

Description

Novel rail flaw detection car bogie

Technical Field

The utility model relates to a railway bogie technical field, specifically a novel rail flaw detection car bogie.

Background

At present, the existing domestic bogie with the flaw detection device adopts a Z-shaped traction mode, is complex in structure and higher in requirements on manufacturing and assembling, has large deflection of a second system of the bogie, increases the axle load transfer of a vehicle, and is easy to cause wheel scratch or local abrasion to increase the vibration of the bogie. When the bogie runs, the bogie vibrates along with the vibration of the bogie, the flaw detection bogie has poor stability, the vibration of the detection wheel is large during working, and the flaw detection accuracy rate during rail flaw detection is low, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a novel rail flaw detection car bogie, this traction device simple structure is reliable, two are novel bogie that the damping is effectual and the amount of deflection is little to satisfy the detection requirement of novel flaw detection car.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a novel bogie of a steel rail flaw detection vehicle comprises a framework, side bearings, a traction device, a foundation braking device, a transverse shock absorber, two groups of wheel sets and a flaw detection device; the two groups of wheel sets are respectively connected with the framework through the axle bearing box; the flaw detection device is arranged between the two wheels along the direction of the steel rail, and the detection wheel of the flaw detection device can directly run on the steel rail between the two wheels.

The further improvement lies in that: the framework is a rectangular frame structure formed by two side beams and two end beams in a surrounding mode, two cross beams are connected between the two side beams, and two longitudinal connecting beams are connected between the two cross beams; vertical shock absorber seats are respectively arranged on the outer sides of two ends of the side beam, spring caps and axle box pull rod seats are arranged at the bottoms of the two ends of the side beam, and a side bearing mounting seat is arranged at the joint of the side beam and the cross beam; the middle part of the beam positioned at the front side is provided with a draw bar seat and a transverse shock absorber seat.

The further improvement lies in that: the axle bearing box comprises an axle box pull rod, a vertical shock absorber, a through cover, a bearing, an axle box body, an axle box rotating cover, an axle box front cover, a dustproof seat, an excircle spring, an inner circle spring, a lifting plate and an overturn preventing device; the bearing is arranged in the axle box body and is positioned by the dustproof seat, the through cover and the axle box rotating cover; the outer circle spring and the inner circle spring are combined into a spring set, one end of the spring set is arranged in grooves on the left side and the right side of the axle box body, and the other end of the spring set is connected with a spring cap on the framework; the lifting plate is arranged on the upper part of the axle box rotating cover and is used for lifting and connecting the framework and the axle bearing box; the overturn preventing device is arranged at the lower part of the shaft box body; one end of the axle box pull rod is arranged in the mounting groove of the axle box body, and the other end of the axle box pull rod is connected with the mounting groove of the framework axle box pull rod seat; the lower end of the vertical shock absorber is connected with an ear seat on the shaft box body, and the upper end of the vertical shock absorber is connected with a vertical shock absorber seat of the framework; the axle box front cover is arranged on the axle box rotating cover through bolts, and the axle box front cover is provided with an installation interface matched with the flaw detection device.

The further improvement lies in that: the device also comprises a blank cap which is bolted to the front cover of the axle box.

The further improvement lies in that: the grounding device is arranged on the grounding device mounting seat, the grounding mounting seat is bolted to the front cover of the axle box, and a copper bar of the grounding device is connected with the first shaft end pressing plate.

The further improvement lies in that: the speed measuring motor is mounted on the speed measuring motor mounting seat, the speed measuring motor mounting seat is bolted to the axle box front cover, and the head of the speed measuring motor is connected with the second shaft end pressing plate.

The further improvement lies in that: the flaw detection device comprises a flaw detection supporting mechanism, detection wheels and a control box, wherein two ends of the flaw detection supporting mechanism are connected with a mounting interface of a front cover of an axle bearing box axle box, the detection wheels are arranged on the flaw detection supporting mechanism and are in direct contact with steel rails, the control box is arranged on a framework, and an electromagnetic valve in the control box is connected with the flaw detection control mechanism on the flaw detection supporting mechanism through a connecting line.

The further improvement lies in that: the side bearing is arranged on a side bearing mounting seat of the framework, the transverse shock absorber is arranged on a transverse shock absorber seat of the framework, and the side bearing and the transverse shock absorber form a second system of the bogie together.

The further improvement lies in that: the traction device comprises a traction pin body, a traction rod, a pressing plate, a first bolt, a locking gasket, a rubber stop, a stop seat, a first nut, a heavy elastic pad, an adjusting pad, a second bolt and a second nut; the traction pin body is arranged on the vehicle body through a second bolt, a second nut and a heavy elastic pad; one end of the traction rod is clamped in the mounting groove of the traction pin body, and the traction rod and the traction pin body are locked together through the pressing plate, the first bolt and the locking gasket; the other end of the traction rod is clamped in a mounting groove of the traction rod seat of the framework, and the traction rod seat are locked together through a pressing plate, a first bolt and a locking gasket; stopping seats with the same structure are respectively welded on longitudinal connecting beams of the bogies on the left side and the right side of the traction pin body, and rubber stops with the same structure are transversely installed and fixed on the stopping seats by using first bolts and first nuts; the rubber stopper is in a tower shape or a cylindrical shape, and a groove is arranged on the excircle of the rubber stopper; the adjusting pad is assembled between the rubber stop and the stop seat and used for adjusting the gap between the rubber stop and the traction pin body.

The further improvement lies in that: the foundation braking device adopts a tread braking unit brake.

The beneficial effects of the utility model reside in that:

the utility model solves the problem that the flaw detection accuracy is low due to the vibration of the bogie and the vibration of the detection wheel during the operation of the rail vehicle in the prior flaw detection vehicle application process; the traction device is simplified on the premise of ensuring the traction performance, the traditional Z-shaped double-pull rod is optimized into the single-pull rod traction device, the manufacturing cost is saved, the assembly is easy, the whole vehicle has good running quality, the critical speed is high, the curve passing performance is good, and the axle weight transfer is small; the unit brake is reliable in braking, convenient to maintain and high in flaw detection accuracy.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a top view of the frame of the present invention;

FIG. 3 is a front view of the frame of the present invention;

fig. 4 is a front view of the axle bearing housing of the present invention;

fig. 5 is a cross-sectional view of the axle bearing housing of the present invention;

FIG. 6 is a cross-sectional view of the axle bearing housing with grounding device of the present invention;

FIG. 7 is a sectional view of the bearing housing of the axle of the electric locomotive with speed measurement;

fig. 8 is a front view of the traction device of the present invention;

fig. 9 is a top view of the traction device of the present invention;

FIG. 10 is a schematic structural view of a flaw detector according to the present invention;

reference numerals:

1. a framework, 2 axle bearing boxes, 3 flaw detection devices, 4 wheel sets, 5 side bearings, 6 traction devices, 7 foundation brake devices, 8 transverse shock absorbers, 9 side beams, 10 end beams, 11 longitudinal connecting beams, 12 cross beams, 13 traction rod seats, 14-1 vertical shock absorber seats, 14-2 transverse shock absorber seats, 15 spring caps, 16 side bearing installation seats, 17 axle box pull rod seats, 18 axle box pull rods, 19 vertical shock absorbers, 20 through covers, 21 bearings, 22 axle box bodies, 23 axle box rotating covers, 24 axle box front covers, 25 blank covers, 26 dust proof seats, 27 outer circle springs, 28 inner circle springs, 29 lifting plates, 30 overturn prevention devices, 31 earthing devices, 32 earthing device installation seats, 33-1 first pressure plates, 33-2 second pressure plates and 34 speed measuring motors, 35. the test device comprises a speed measuring motor mounting base, 36 traction pin bodies, 37 traction rods, 38 pressure plates, 39 first bolts, 40 locking gaskets, 41 rubber stoppers, 42 stopper bases, 43 first nuts, 44 heavy elastic pads, 45 adjusting pads, 46 second bolts, 47 second nuts, 48 flaw detection supporting mechanisms, 49 probe wheels, 50 control boxes and 51 flaw detection control mechanisms.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1, an embodiment of the present invention provides a novel rail flaw detection car bogie, which includes a frame 1, side bearings 5, a traction device 6, a foundation brake device 7, a transverse shock absorber 8, two sets of wheel sets 4 and a flaw detection device 3; the two groups of wheel pairs 4 are respectively connected with the framework 1 through the axle bearing box 2; the flaw detector 3 is disposed between two wheels in the direction of the rail, and the probe wheel 49 of the flaw detector 3 can directly run on the rail between the two wheels. Specifically, the wheel set 4 comprises wheels and axles, and the wheels and the axles are in interference coupling.

Referring to fig. 2 and 3, the frame 1 is a box girder structure, which is enclosed by two side girders 9 and two end girders 10, two cross girders 12 are connected between the two side girders 9, and two longitudinal connecting girders 11 are connected between the two cross girders 12; specifically, the cross beam 12 is made of a round steel pipe. Vertical shock absorber seats 14-1 are respectively arranged on the outer sides of two ends of the side beam 9, spring caps 15 and axle box pull rod seats 17 are arranged at the bottoms of the two ends of the side beam 9, and a side bearing mounting seat 16 is arranged at the joint of the side beam 9 and the cross beam 12; the middle of the cross beam 12 at the front side is provided with a draw bar seat 13 and a transverse damper seat 14-2.

Referring to fig. 4 and 5, the axle bearing housing 2 includes an axle box drawbar 18, a vertical damper 19, a through cover 20, a bearing 21, an axle housing 22, an axle box rotary cover 23, an axle box front cover 24, a dust-proof seat 26, an outer circle spring 27, an inner circle spring 28, a lifting plate 29 and an anti-overturn device 30; the bearing 21 is arranged in the axle box body 22 and is positioned by the dustproof seat 26, the through cover 20 and the axle box rotary cover 23; the excircle spring 27 and the inner circle spring 28 are combined into a spring group, one end of the spring group is arranged in grooves at the left side and the right side of the shaft box body 22, and the other end of the spring group is connected with the spring cap 15 on the framework 1; the hoisting plate 29 is arranged at the upper part of the axle box rotating cover 23 and is used for hoisting and connecting the framework 1 and the axle bearing box 2; the overturn preventing device 30 is arranged at the lower part of the axle box body 22; one end of the axle box pull rod 18 is arranged in the V-shaped groove of the axle box body 22, and the other end is connected with the V-shaped groove of the axle box pull rod seat 17 of the framework 1; the lower end of the vertical shock absorber 19 is connected with an ear seat on the axle box body 22, and the upper end of the vertical shock absorber 19 is connected with a vertical shock absorber seat 14-1 of the framework 1; the axle box front cover 24 is mounted on the axle box rotary cover 23 through bolts, and the axle box front cover 24 is provided with a mounting interface matched with the flaw detection device 3.

Referring to fig. 5, a standard stub axle bearing housing includes a blank cap 25, the blank cap 25 being bolted to the pedestal front 24. Used for preventing sundries or dust from entering the inside of the axle box.

Referring to fig. 6, the axle bearing box with the grounding device comprises a grounding device 31 and a grounding device mounting seat 32, wherein the grounding device 31 is mounted on the grounding device mounting seat 32, the grounding mounting seat is bolted on the axle box front cover 24, and a copper rod of the grounding device 31 is connected with a first shaft end pressing plate 33-1.

Referring to fig. 7, the axle bearing box including the tachometer motor includes a tachometer motor 34 and a tachometer motor mounting seat 35, the tachometer motor 34 is mounted on the tachometer motor mounting seat 35, the tachometer motor mounting seat 35 is bolted to the axle box front cover 24, and the head of the tachometer motor 34 is connected with the second shaft end pressing plate 33-2.

Specifically, one bogie has four axle bearing boxes, and the four axle bearing boxes can be combined and matched with standard spindle head axle bearing boxes or axle bearing boxes with speed measuring axles or axle bearing boxes with grounding axles according to the requirements of the vehicle.

Referring to fig. 10, the flaw detection apparatus 3 includes a flaw detection support mechanism 48, a probe wheel 49, and a control box 50, both ends of the flaw detection support mechanism 48 are connected to the mounting interface of the axle box front cover 24 of the axle bearing housing 2, the probe wheel 49 is disposed on the flaw detection support mechanism 48 and directly contacts with a steel rail, the control box 50 is disposed on the framework 1, and an electromagnetic valve in the control box 50 is connected to a flaw detection control mechanism 51 on the flaw detection support mechanism 48 through a connection line.

Specifically, the side bearing 5 is arranged on a side bearing mounting seat 16 of the framework 1, the transverse damper 8 is arranged on a transverse damper seat 14-2 of the framework 1, and the side bearing 5 and the transverse damper 8 form a second bogie system together.

Referring to fig. 8 and 9, the towing device 6 includes a towing pin body 36, a towing bar 37, a pressing plate 38, a first bolt 39, a lock washer 40, a rubber stopper 41, a stopper seat 42, a first nut 43, a heavy elastic pad 44, an adjusting pad 45, a second bolt 46, and a second nut 47; the towing pin body 36 is arranged on the vehicle body through a second bolt 46, a second nut 47 and a heavy elastic pad 44; a U-shaped mandrel at one end of the traction rod 37 is clamped in a U-shaped groove of the traction pin body 36, and the traction rod 37 and the traction pin body 36 are locked together through a pressure plate 38, a first bolt 39 and a locking gasket 40; the U-shaped mandrel at the other end of the traction rod 37 is clamped in a U-shaped groove of the traction rod seat 13 of the framework 1, and the traction rod 37 and the traction rod seat 13 are locked together through a pressure plate 38, a first bolt 39 and a locking gasket 40; stop seats 42 with the same structure are respectively welded on the bogie longitudinal connecting beams 11 at the left side and the right side of the traction pin body 36, and rubber stops 41 with the same structure are transversely installed and fixed on the stop seats 42 by using first bolts 39 and first nuts 43; the rubber stopper 41 is designed to be in a tower shape or a cylindrical shape, and a groove is arranged on the excircle of the rubber stopper 41; an adjusting pad 45 is fitted between the rubber stopper 41 and the stopper seat 42 for adjusting the clearance between the rubber stopper 41 and the pull pin body 36. By adopting the connection mode of the single traction rod between the car body and the bogie, the rubber elastic node has the functions of buffering longitudinal vibration and consuming vibration energy, and the longitudinal dynamic performance of the rail car can be effectively improved.

Specifically, the foundation brake device 7 employs a tread brake unit brake. Has the characteristics of compact structure and convenient installation.

The utility model discloses the bogie design is the diaxon structure, and the wheel adopts and grinds the integral wheel of steel. In order to improve the utilization rate of the adhering weight of the rail car, a low-position traction device is adopted, and the traction device is designed into a single pull rod structure. The frame is welded into a whole, the second bogie system adopts a mode of rubber stack side bearings connected with transverse shock absorbers in parallel, and the basic braking device adopts a unit brake. The axle bearing box axle box front cover is provided with the installation interface of device of detecting a flaw, and the device of detecting a flaw is fixed on the axle box front cover between two wheels along the rail direction and is located the framework below, and the spy wheel of device of detecting a flaw can directly walk on the rail between two wheels to guarantee that the spy wheel can both the centering on the straight line of rail or curve and stability is good, and the rate of accuracy of detecting a flaw is high.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims (10)

1. The utility model provides a novel rail flaw detection car bogie, includes framework (1), side bearing (5), draw gear (6), basic brake equipment (7), transverse damper (8), its characterized in that: the device also comprises two groups of wheel sets (4) and a flaw detection device (3); the two groups of wheel pairs (4) are respectively connected with the framework (1) through the axle bearing box (2); the flaw detection device (3) is arranged between the two wheels along the direction of the steel rail, and a detection wheel (49) of the flaw detection device (3) can directly run on the steel rail between the two wheels.

2. The novel steel rail flaw detection vehicle bogie according to claim 1, characterized in that: the framework (1) is a rectangular frame structure enclosed by two side beams (9) and two end beams (10), two cross beams (12) are connected between the two side beams (9), and two longitudinal connecting beams (11) are connected between the two cross beams (12); vertical shock absorber seats (14-1) are respectively arranged on the outer sides of two ends of the side beam (9), spring caps (15) and axle box pull rod seats (17) are respectively arranged at the bottoms of two ends of the side beam (9), and a side bearing mounting seat (16) is arranged at the joint of the side beam (9) and the cross beam (12); the middle part of the cross beam (12) positioned at the front side is provided with a draw bar seat (13) and a transverse shock absorber seat (14-2).

3. The novel rail-defect-detecting bogie as claimed in claim 2, wherein: the axle bearing box (2) comprises an axle box pull rod (18), a vertical shock absorber (19), a through cover (20), a bearing (21), an axle box body (22), an axle box rotating cover (23), an axle box front cover (24), a dustproof seat (26), an outer circle spring (27), an inner circle spring (28), a lifting plate (29) and an overturn prevention device (30); the bearing (21) is arranged in the shaft box body (22) and is positioned by the dustproof seat (26), the through cover (20) and the shaft box rotating cover (23); the outer circle spring (27) and the inner circle spring (28) are combined into a spring set, one end of the spring set is arranged in grooves on the left side and the right side of the shaft box body (22), and the other end of the spring set is connected with a spring cap (15) on the framework (1); the lifting plate (29) is arranged at the upper part of the axle box rotating cover (23) and is used for the lifting connection of the framework (1) and the axle bearing box (2); the overturn preventing device (30) is arranged at the lower part of the shaft box body (22); one end of the axle box pull rod (18) is arranged in the mounting groove of the axle box body (22), and the other end of the axle box pull rod is connected with the mounting groove of the axle box pull rod seat (17) of the framework (1); the lower end of the vertical shock absorber (19) is connected with an ear seat on the shaft box body (22), and the upper end of the vertical shock absorber (19) is connected with a vertical shock absorber seat (14-1) of the framework (1); the axle box front cover (24) is mounted on the axle box rotating cover (23) through bolts, and the axle box front cover (24) is provided with a mounting interface matched with the flaw detection device (3).

4. The novel rail-defect-detecting bogie as claimed in claim 3, wherein: the device also comprises a blank cap (25), wherein the blank cap (25) is bolted on the axle box front cover (24).

5. The novel rail-defect-detecting bogie as claimed in claim 3, wherein: the grounding device is characterized by further comprising a grounding device (31) and a grounding device mounting seat (32), wherein the grounding device (31) is mounted on the grounding device mounting seat (32), the grounding mounting seat is bolted to the axle box front cover (24), and a copper bar of the grounding device (31) is connected with the first shaft end pressing plate (33-1).

6. The novel rail-defect-detecting bogie as claimed in claim 3, wherein: the speed measurement device is characterized by further comprising a speed measurement motor (34) and a speed measurement motor mounting seat (35), wherein the speed measurement motor (34) is mounted on the speed measurement motor mounting seat (35), the speed measurement motor mounting seat (35) is bolted to the axle box front cover (24), and the head of the speed measurement motor (34) is connected with the second shaft end pressing plate (33-2).

7. The novel rail-defect-detecting bogie as claimed in claim 3, wherein: the flaw detection device (3) comprises a flaw detection supporting mechanism (48), a detection wheel (49) and a control box (50), two ends of the flaw detection supporting mechanism (48) are connected with a mounting interface of an axle box front cover (24) of the axle bearing box (2), the detection wheel (49) is arranged on the flaw detection supporting mechanism (48) and is in direct contact with a steel rail, the control box (50) is arranged on the framework (1), and an electromagnetic valve in the control box (50) is connected with a flaw detection control mechanism (51) on the flaw detection supporting mechanism (48) through a connecting line.

8. The novel rail-defect-detecting bogie as claimed in claim 2, wherein: the side bearing (5) is arranged on a side bearing mounting seat (16) of the framework (1), the transverse shock absorber (8) is arranged on a transverse shock absorber seat (14-2) of the framework (1), and the side bearing (5) and the transverse shock absorber (8) form a second bogie system together.

9. The novel rail-defect-detecting bogie as claimed in claim 2, wherein: the traction device (6) comprises a traction pin body (36), a traction rod (37), a pressing plate (38), a first bolt (39), a locking gasket (40), a rubber stopper (41), a stopper seat (42), a first nut (43), a heavy elastic pad (44), an adjusting pad (45), a second bolt (46) and a second nut (47); the traction pin body (36) is arranged on the vehicle body through a second bolt (46), a second nut (47) and a heavy elastic pad (44); one end of the draw bar (37) is clamped in the installation groove of the draw pin body (36), and the draw bar (37) and the draw pin body (36) are locked together through a pressure plate (38), a first bolt (39) and a locking gasket (40); the other end of the draw bar (37) is clamped in a mounting groove of a draw bar seat (13) of the framework (1), and the draw bar (37) and the draw bar seat (13) are locked together through a pressure plate (38), a first bolt (39) and a locking gasket (40); stop seats (42) with the same structure are respectively welded on the longitudinal bogie connecting beams (11) at the left side and the right side of the towing pin body (36), and rubber stops (41) with the same structure are transversely installed and fixed on the stop seats (42) by using first bolts (39) and first nuts (43); the rubber stopper (41) is designed to be in a tower shape or a cylindrical shape, and a groove is arranged on the excircle of the rubber stopper (41); the adjusting pad (45) is assembled between the rubber stopper (41) and the stopper seat (42) and is used for adjusting the gap between the rubber stopper (41) and the traction pin body (36).

10. The novel steel rail flaw detection vehicle bogie according to claim 1, characterized in that: the foundation braking device (7) adopts a tread braking unit brake.

Images