A kind of orbitally stable machinery
Technical field
The utility model relates to the stabilizing mechanical that a kind of track of being made up of rail and sleeper is used.
Background technology
" safety, quick, heavy duty " is the direction of China railways development.Along with the develop rapidly of China railways cause, the particularly railway propelling of speed acceleration project for several times, the modernization of track structure is had higher requirement to the maintenance and the quality of circuit, and traditional construction means can not meet the demands.Orbitally stable machinery simulation train designs the dynamic action principle of track.Adopt orbitally stable machinery that track is sunk; And make and produce higher smooth adhesion strength between sleeper and the highly closely knit ballast bed structure, thereby improve the lateral resistance and the stability of circuit, shorten the time that train speed limit is gone slowly greatly; Correct track geometry size after the maintenance operation; And the stability and how much states of orbit keeping muchly, prolonging overhaul, maintenance cycle are practiced thrift maintenance cost.The axis of rotation average level of two vibrators in the existing orbitally stable machinery is arranged; Adopt mechanical clutch to connect between the axis of rotation; The a certain axis of rotation of drive mechanism, and through another axis of rotation of mechanical clutch drive, this syndeton is complicated; And be prone to produce vibration, be difficult in being parallel to orbit plane, producing stable perpendicular to car body sinusoidal vibration longitudinally in unnecessary direction; It is complicated that existing in addition orbitally stable track mechanically clamps apparatus structure, and it is big to take up room, troublesome poeration.
Summary of the invention
The purpose of the utility model is to provide a kind of can produce stable vibrating longitudinally perpendicular to car body in being parallel to orbit plane, and compact conformation, the orbitally stable machinery being convenient to operate.
The technical scheme that realizes above-mentioned purpose is: a kind of orbitally stable machinery, comprise rail travelling mechanism, car body, vibrator drive unit, lift in height oil cylinder and two stabilising arrangements, wherein rail travelling mechanism is supporting car body, and the vibrator drive unit is contained on the car body; Lift in height oil cylinder one end is connected on the car body, and the other end is connected on the stabilising arrangement, and two stabilising arrangements are arranged along vertical front and back of car body; Two stabilising arrangements include underframe, vibrator and track clamping device, and each vibrator includes casing and axis of rotation, all have eccentric block on the every axis of rotation; The axis of rotation of said each vibrator all vertically arranges, and rotational support is on casing, and said vibrator drive unit is connected with two power transmission shafts; Two power transmission shafts are in transmission connection respectively on the axis of rotation of vibrator of corresponding stabilising arrangement; Be connected with draw bar on the said car body, the other end of draw bar is connected on the stabilising arrangement at least, and the casing of said vibrator is fixedly connected with the underframe of stabilising arrangement; Said track clamping device comprises clamping cylinder, fixed side, rotation side plate, roller installing plate and roller; Wherein fixed side is fixed on the side on the underframe of stabilising arrangement, and rotation side plate is hinged on the opposite side on the underframe, and clamping cylinder one end is connected with fixed side; The other end and rotation side plate are hinged; Fixed side and rotation side plate are all supporting and horizontally hinged corresponding rolling wheel installing plate, and equal rotational support has two rollers on each roller installing plate, has push rod on the rotation side plate; Push rod and roller installing plate offset; The upper articulation of the lower end of said lift in height oil cylinder and roller installing plate, said roller are the grooved rollers of both sides belt wheel edge, and said two stabilising arrangements head and the tail are hinged.
Said vibrator drive unit comprises pump, motor and transfer case, pump drive motor wherein, and motor and transfer case are in transmission connection, transfer case two power transmission shafts that are in transmission connection.
The casing of said vibrator comprises base plate, side plate, cover plate and bearing race; Lower bearing and upper bearing (metal) are housed respectively on base plate and the cover plate; The axis of rotation rotational support is in lower bearing and upper bearing (metal), and eccentric block links to each other with axis of rotation through flat key, and bearing race is fixing on the cover board.
Have roller shaft on the said roller installing plate, roller is installed on the roller shaft through bearing, and the two sides of roller all are fixed with the installation cover plate.
All has cantilever on said fixed side and the rotation side plate; The roller installing plate has the installing plate cantilever; Installing plate cantilever below has perforate; The cantilever outer end of fixed side and rotation side plate passes the perforate of corresponding rolling wheel installing plate respectively, and horizontally hinged through bearing pin and compound cover with the installing plate cantilever.
Said rotation side plate is hinged on the underframe through bearing pin and pair of pin axle bearing; The fixed side bottom is welded on the underframe.
The top of said roller installing plate has joint, and the joint on the lower end of lift in height oil cylinder and roller installing plate top is hinged.
The phase place of its center of gravity when rotating of the eccentric block on two axis of rotation of said two stabilising arrangements can stagger 180 ° ± 1 ° along the car body longitudinal direction.
After adopting the structure of technique scheme, because two stabilising arrangement head and the tail in the utility model are hinged, arrange along the rail front and back, move ahead through the draw bar traction, therefore, syndeton is compact, simple, reasonable; Also because the track clamping device comprises clamping cylinder, fixed side, rotation side plate, roller installing plate and roller, so stabilising arrangement when work, the roller of both sides belt wheel edge is rolled in orbit; Wheel rim is close to rail; Thereby guarantee to transfer vibrations to exactly rail, sleeper and ballast aggregate, keep correct track geometry size after the operation, and the stability and how much states of orbit keeping muchly; Prolonging overhaul, maintenance cycle are practiced thrift maintenance cost.Because each vibrator all has an axis of rotation of vertically arranging; Said vibrator drive unit is connected with two power transmission shafts; Two power transmission shafts are in transmission connection respectively on the axis of rotation of vibrator of corresponding stabilising arrangement; Therefore, can in being parallel to orbit plane, produce stable vibrating longitudinally perpendicular to car body.Again because the phase place of the eccentric block of each vibrator its center of gravity when rotating can stagger 180 ° ± 1 ° along the car body longitudinal direction, therefore, can in being parallel to orbit plane, produce stable perpendicular to car body longitudinally sinusoidal vibrate.In addition, the utility model also has the characteristics of being convenient to operate.
Description of drawings
Fig. 1 is the orbitally stable mechanical structures sketch map of the utility model;
Fig. 2 is the structure right views of two stabilising arrangements among Fig. 1 when linking together;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is the B-B sectional view of Fig. 4;
Fig. 6 is that the E-E of Fig. 4 analyses and observe rotation diagram;
Fig. 7 is the A-A sectional view of Fig. 4;
Fig. 8 is the D-D sectional view of Fig. 4;
Fig. 9 is the C-C sectional view of Fig. 4;
Figure 10 a, 10b, 10c, 10d are the course of work sketch mapes of the eccentric block in the utility model.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing does further detailed explanation to the utility model.
Like Fig. 1,2,3,4,5,6,7,8, shown in 9, a kind of orbitally stable machinery comprises rail travelling mechanism 10, car body 11, vibrator drive unit, lift in height oil cylinder 6 and two stabilising arrangements 8, wherein rail travelling mechanism 10 is supporting car body 11; The vibrator drive unit is contained on the car body 11, and lift in height oil cylinder 6 one ends are connected on the car body 11, and the other end is connected on the stabilising arrangement 8; Two stabilising arrangements 8 are arranged along vertical front and back of car body, and two stabilising arrangements 8 include underframe 22, vibrator 7 and track clamping device, and each vibrator 7 includes casing 12 and axis of rotation 16; All has eccentric block 26 on the every axis of rotation 16; The axis of rotation 16 of said each vibrator 7 all vertically arranges, and rotational support is on casing 12, and said vibrator drive unit is connected with two power transmission shafts 4; Two power transmission shafts 4 are in transmission connection respectively on the axis of rotation 16 of vibrator 7 of corresponding stabilising arrangement 8; Be connected with draw bar 5 on the said car body 11, the other end of draw bar 5 is connected on the stabilising arrangement 8 at least, and the casing 12 of said vibrator 7 is fixedly connected with the underframe 22 of stabilising arrangement 8; Said track clamping device comprises clamping cylinder 17, fixed side 15, rotation side plate 24, roller installing plate 19 and roller 20; Wherein fixed side 15 is fixed on the side on the underframe 22 of stabilising arrangement 8, and rotation side plate 24 is hinged on the opposite side on the underframe 22, and clamping cylinder 17 1 ends are connected with fixed side 15; The other end and rotation side plate 24 are hinged; Fixed side 15 is all supporting and horizontally hinged corresponding rolling wheel installing plate 19 with rotation side plate 24, and equal rotational support has two rollers 20 on each roller installing plate 19, has push rod 29 on the rotation side plate 24; Push rod 29 offsets with roller installing plate 19; The upper articulation of the lower end of said lift in height oil cylinder 6 and roller installing plate 19, said roller 20 are grooved rollers of both sides belt wheel edge, and said two stabilising arrangements, 8 head and the tail are hinged.
As shown in Figure 1, said vibrator drive unit comprises pump 1, motor 2 and transfer case 3, pump 1 CD-ROM drive motor 2 wherein, and motor 2 is in transmission connection with transfer case 3, transfer case 3 two power transmission shafts 4 that are in transmission connection.
As shown in Figure 5; In order to make more reasonable structure, to be convenient to make, the casing 12 of said vibrator 7 comprises base plate 12-1, side plate 12-2, cover plate 12-3 and bearing race 12-4; Lower bearing 12-5 and upper bearing (metal) 12-7 are housed respectively on base plate 12-1 and the cover plate 12-3; Axis of rotation 16 rotational support are in lower bearing 12-5 and upper bearing (metal) 12-7, and eccentric block 26 links to each other with axis of rotation 16 through flat key 12-6, and bearing race 12-4 is fixed on the cover plate 12-3.
As shown in Figure 9, in order to make more reasonable structure, be convenient to install, have roller shaft 34 on the said roller installing plate 19, roller 20 is installed on the roller shaft 34 through bearing 33, and the two sides of roller 20 all are fixed with installs cover plate 32.
Like Fig. 3,4,7, shown in 8; In order to make more reasonable structure; All have cantilever 21 on said fixed side 15 and the rotation side plate 24, roller installing plate 19 has installing plate cantilever 23, and installing plate cantilever 23 belows have perforate 25; Cantilever 21 outer ends of fixed side 15 and rotation side plate 24 pass the perforate 25 of corresponding rolling wheel installing plate 19 respectively, and horizontally hinged through bearing pin 13 and compound cover 31 with installing plate cantilever 23.
Like Fig. 4, shown in 6, for the ease of making, said rotation side plate 24 is hinged on the underframe 22 through bearing pin 18 and pair of pin axle bearing 30; Fixed side 15 bottoms are welded on the underframe 22.
Like Fig. 2,3,4,7, shown in 8, for the ease of being connected with lift in height oil cylinder 6, the top of said roller installing plate 19 has joint 14, and the joint 14 on the lower end of lift in height oil cylinder 6 and roller installing plate 19 tops is hinged.
Shown in Fig. 3,4,10a, 10b, 10c, 10d; The phase place of its center of gravity when rotating of the eccentric block 26 on two axis of rotation 16 of said two stabilising arrangements 8 can stagger 180 ° ± 1 ° along the car body longitudinal direction, be used in being parallel to orbit plane, producing perpendicular to car body sinusoidal vibration longitudinally.
As shown in Figure 1, for the ease of when stablizing operation, measuring the track deflection, the measuring system 9 of inspection track deflection is installed on the said rail travelling mechanism 10.
Shown in Fig. 1,2,3,4,10a, 10b, 10c, 10d, during the utility model work, pump 1 drives motor 2; Motor 2 drives transfer case 3; Transfer case 3 drives two power transmission shafts 4 and rotates, and two power transmission shafts 4 are with fast reverse rotation, and the axis of rotation 16 that drives two vibrators 7 on two stabilising arrangements 8 respectively rotates with fast reverse rotation; The eccentric block 26 constant speed reverse rotations of two vibrators 7, phase shifting 180 degree of two eccentric blocks 26; Utilize lift in height oil cylinder 6 to apply vertical depression power simultaneously.During the work of track clamping device; Clamping cylinder 17 on two stabilising arrangements 8 struts corresponding rotation side plate 24 respectively; Rotation side plate 24 is around 18 rotations of pin bearing pin, and the push rod 29 on the rotation side plate 24 promotes 19 rotations of roller installing plate, makes the inboard of two side flange of corresponding grooved roller 20 be close to rail 35; Thereby clamp rail 35, stabilising arrangement 8, rail and sleeper are become one.In two stabilising arrangements 8 vibration, draw bar 5 drives stabilising arrangements 8 and moves ahead along rail 35, thereby transfers vibrations to rail continuously, sleeper and ballast aggregate.Under ballast aggregate acts in vertical depression power and horizontal exciting force, mobile each other, filling and closely knit, thereby the lateral resistance and the stability of raising circuit.
Shown in Figure 10 a, 10b, 10c, 10d, be the continuous operation process of the eccentric block 26 in the utility model, the horizontal longitudinal force of two eccentric block 26 generations is cancelled out each other, and only produces horizontal lateral force, so two 8 of stabilising arrangements produce the horizontal cross vibration.