CN210262528U - Automatic rail car with function of reciprocating rail - Google Patents

Abstract

The utility model discloses an automatic railcar with function of going back and forth track, by drive arrangement, from the driving wheel device, upper and lower rail set, the frame, four first class intensity cantilever beams, two second class intensity cantilever beams, rechargeable battery group and dc-to-ac converter and hydraulic system and control system case are constituteed, rechargeable battery group and dc-to-ac converter provide power for oil pump and control system, hydraulic system and control system incasement are equipped with oil tank, oil pump, hydraulic control system and automatic control system, the railcar bears the weight of and arrives or leaves fast the sleeper site of trading of the small-size maintenance machinery of railway; the rail car can leave the railway track by itself to avoid influence on train passing caused by sleeper replacement work, the rail car can return to the railway track by itself, the rail car leaves a sleeper replacement site after the sleeper replacement related work is finished, and the gravity center of the rail car is not raised and bumped when the rail car goes up and down; the structure is simple and compact, and automatic control is easy to realize.

Description

Automatic rail car with function of reciprocating rail

Technical Field

The utility model relates to a railway maintenance machinery, in particular to automatic railcar with come and go track function.

Background

During the long-time use of the railway sleeper, due to natural settlement and vibration, the local sleeper of the railway sinks, maintenance is needed, individual sleepers are damaged and need to be replaced in time, in the process of replacing the sleeper, due to more sleeper replacement processes, a plurality of effective train passing gaps (commonly called as skylights) are needed to complete sleeper replacement, and the railway small maintenance machine arranged on the self-moving rail car can fully utilize the effective train passing gaps.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic railcar with come and go track function.

The utility model discloses a by drive arrangement, from the driving wheel device, upper and lower rail set, the frame, four first class intensity cantilever beams, two second class intensity cantilever beams, rechargeable battery group and dc-to-ac converter and hydraulic system and control system case are constituteed, the frame is equipped with first crossbeam, second crossbeam and two longerons, second class intensity cantilever beam is equipped with the monaural ring, rechargeable battery group and dc-to-ac converter and hydraulic system and control system case set up on two longerons of railcar, rechargeable battery group and dc-to-ac converter provide power for oil pump and control system, be equipped with the oil tank in hydraulic system and the control system case, the oil pump, hydraulic control system and automatic control system;

the driving device consists of a braking and decelerating double-output-shaft hydraulic motor, two couplers, two first stepped shafts, two first bearings, two second bearings, two third bearings, two rail wheels, two first split bearing supports, two second split bearing supports and two third split bearing supports, wherein the braking and decelerating double-output-shaft hydraulic motor is provided with a first output shaft, a second output shaft and a square flange plate;

the first bearing is sleeved on a second journal of the first stepped shaft to be fixedly connected, the second bearing is sleeved on a third journal of the first stepped shaft to be fixedly connected, a fourth journal of the first stepped shaft is penetrated in a wheel shaft hole to be fixedly connected, a third bearing is sleeved on a fifth journal of the first stepped shaft to be fixedly connected, square flange plates of the braking and decelerating dual-output shaft hydraulic motor are symmetrically and fixedly connected below a first cross beam of the frame, a first split type supporting bearing seat, a second split type supporting bearing seat and a third split type supporting bearing seat are respectively and fixedly connected below the first cross beam of the frame, a coupler is respectively sleeved on a first output shaft of the braking and decelerating dual-output shaft hydraulic motor and the first journal of the first stepped shaft to be fixedly connected, so that a first bearing, a second bearing and a third bearing which are arranged on the first stepped shaft are respectively arranged in the first split type supporting bearing seat, the second split type supporting bearing seat and the third split type supporting bearing seat, then, the first split type supporting bearing cover, the second split type supporting bearing cover and the third split type supporting bearing cover are respectively aligned and fixedly connected with the first split type supporting bearing seat, the second split type supporting bearing seat and the third split type supporting bearing seat, and the same operation in the section is repeated to form a driving device;

the driven wheel device consists of a second stepped shaft, two fourth split bearing supports, two fourth bearings, two fifth split bearing supports, two rail wheels and two fifth bearings, wherein the second stepped shaft is provided with two first journals, two second journals and two third journals which are symmetrical, the fourth split bearing supports consist of bearing seats and bearing covers, the fifth split bearing supports consist of the bearing seats and the bearing covers, and the rail wheels are provided with shaft holes;

two fifth bearings are respectively sleeved on the second stepped shaft and fixedly connected with two third journals, two wheel axle holes are respectively sleeved on the second stepped shaft and fixedly connected with two second journals, two fourth bearings are respectively sleeved on the second stepped shaft and fixedly connected with two first journals, two fourth split type supporting bearing seats and two fifth split type supporting bearing seats are respectively fixedly connected with proper positions below the second cross beam, so that the two fourth bearings and the two fifth bearings which are arranged on the second stepped shaft are respectively arranged in the two fourth split type supporting bearing seats and the fifth split type supporting bearing seats, and then the two fourth split type supporting bearing covers and the two fifth split type supporting bearing covers are respectively aligned and fixedly connected with the two fourth split type supporting bearing seats and the two fifth split type supporting bearing seats to form a driven wheel device;

the reciprocating track device consists of two annular caterpillar track plate driving wheels, two deceleration hydraulic motors, four first lifting devices, six L-shaped pin shafts, two driven wheels, two second lifting devices, two laser displacement sensors and two laser distance measurement reference plates, wherein the annular caterpillar track plate driving wheels are provided with longitudinal beams, the longitudinal beams are provided with first shaft holes and two second shaft holes, the deceleration hydraulic motors are provided with output shafts and flange plates, the L-shaped pin shafts are provided with double-lug rings, square flange plates and shaft necks, and the driven wheels are provided with shaft holes;

the first lifting device comprises a first hydraulic oil cylinder, a first square-cylinder-shaped fixed arm and a first square-cylinder-shaped telescopic arm, wherein a piston rod of the first hydraulic oil cylinder is provided with a single-lug ring, the first square-cylinder-shaped fixed arm is provided with a closed end, and the first square-cylinder-shaped telescopic arm is provided with a square flange;

the second lifting device consists of a second hydraulic cylinder, a second square-cylindrical fixed arm, a second square-cylindrical telescopic arm and a connecting plate, wherein a cylinder body of the second hydraulic cylinder is provided with a single-lug ring, a piston rod is provided with a single-lug ring, the second square-cylindrical fixed arm is provided with a square flange plate, the second square-cylindrical telescopic arm is provided with a square flange plate, and the connecting plate is provided with a first double-lug ring and a second double-lug ring;

respectively and symmetrically fixedly connecting four first equal-strength cantilever beams to proper positions on the upper surfaces of the first cross beam and the second cross beam, and symmetrically and fixedly connecting two second equal-strength cantilever beams to proper positions on the upper surfaces of the first cross beam and the second cross beam;

a first hydraulic oil cylinder is arranged in the first square cylindrical fixed arm in a penetrating manner, so that a cylinder body of the first hydraulic oil cylinder is fixedly connected with the closed end of the first square cylindrical fixed arm, a first square cylindrical telescopic arm is arranged in the first square cylindrical fixed arm in a penetrating manner, a single lug ring of a piston rod of the first hydraulic oil cylinder and a double lug ring of the L-shaped pin shaft are coaxially connected to form a hinge, the piston rod of the first hydraulic oil cylinder is prevented from bearing bending moment, and a square flange plate of the first square cylindrical fixed arm is fixedly connected with a square flange plate of the;

a single lug ring of a cylinder body of the second hydraulic cylinder is coaxially connected with a double lug ring of an L-shaped pin shaft to form a hinge joint, so that a piston rod of the second hydraulic cylinder is prevented from bearing bending moment, a second square-cylindrical telescopic arm is sleeved on the second hydraulic cylinder, a flange plate of the second square-cylindrical telescopic arm is aligned and fixedly connected with a flange plate of the L-shaped pin shaft, a second square-cylindrical fixed arm is sleeved on the second square-cylindrical telescopic arm, the single lug ring of the piston rod of the second hydraulic cylinder is coaxially connected with a second double lug ring of a connecting plate to form a hinge joint, and the flange plate of the second square-cylindrical fixed arm is aligned and fixedly;

coaxially penetrating an output shaft of a speed reduction hydraulic motor and a first axial hole of a longitudinal beam of an annular track plate driving wheel, fixedly connecting the output shaft of the speed reduction hydraulic motor and a chain wheel of the annular track plate driving wheel, fixedly connecting a flange plate of the speed reduction hydraulic motor and the longitudinal beam, coaxially penetrating two L-shaped pin shaft necks of two first lifting devices and two L-shaped pin shaft necks of two second lifting devices and two second axial holes of the longitudinal beam of the annular track plate driving wheel respectively to form a hinge connection, fixedly connecting two first square fixed arms on two first equal-strength cantilever beams respectively, and coaxially forming a hinge connection between a first double-lug ring of a connecting plate of the two second lifting devices and a single-lug ring of a second equal-strength cantilever beam;

the L-shaped pin shaft necks of the two first lifting devices are coaxially penetrated with the driven wheel shaft hole respectively to form hinged connection, the two first square cylindrical fixed arms are fixedly connected to the two first equal-strength cantilever beams respectively, the two laser displacement sensors are fixedly connected to the first square cylindrical fixed arms and the second square cylindrical fixed arms respectively, and the two laser distance measuring reference plates are fixedly connected to the first square cylindrical telescopic arm flange and the second square cylindrical telescopic arm flange respectively to form the automatic railcar with the function of back and forth rail.

The utility model has the advantages that:

1. the small maintenance machinery of the railway loaded by the rail car quickly arrives or departs from the sleeper changing site;

2. the rail car can leave the railway track by itself to avoid influence on train passing caused by sleeper replacement work, the rail car can return to the railway track by itself, the rail car leaves a sleeper replacement site after the sleeper replacement related work is finished, and the gravity center of the rail car is not raised and bumped when the rail car goes up and down;

3. the structure is simple and compact, and automatic control is easy to realize.

Drawings

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

Fig. 2 is a right side view of fig. 1.

Fig. 3 is an exploded perspective view of the driving device of the present invention.

Fig. 4 is an exploded perspective view of the driven wheel assembly of the present invention.

Fig. 5 is an exploded perspective view of the main components of the upper and lower rail devices of the present invention.

Fig. 6 is a perspective view illustrating the working state of the upper and lower rails according to the present invention.

Fig. 7 is a right side view of fig. 6.

Fig. 8 is a schematic perspective view of the upper and lower rails of the present invention in working condition.

Fig. 9 is a right side view of fig. 8.

Fig. 10 is a three-dimensional schematic view of the upper and lower rails of the present invention in working condition.

Fig. 11 is a right side view of fig. 10.

Detailed Description

Referring to fig. 1, fig. 6 and fig. 7, the present invention is composed of a driving device 10, a driven wheel device 11, an upper and lower rail device 12, a frame 13, four first equal strength cantilever beams 16, two second equal strength cantilever beams 17, a rechargeable battery pack and inverter 18, and a hydraulic system and control system box 19, wherein the frame 13 is provided with a first beam 131, a second beam 132, and two longitudinal beams 133, the second equal strength cantilever beams 17 are provided with a single ear ring 171, the rechargeable battery pack and inverter 18, and the hydraulic system and control system box 19 are arranged on the two longitudinal beams 133 of the rail car, the rechargeable battery pack and inverter 18 provide power for an oil pump and a control system, and the hydraulic system and control system box 19 is provided with an oil tank, an oil pump, a hydraulic control system, and an automatic control system;

referring to fig. 2 and 3, the driving device 10 comprises a braking and decelerating dual output shaft hydraulic motor 100, two couplers 101, two first stepped shafts 102, two first bearings 103, two second bearings 104, two third bearings 105, two rail wheels 106, two first split bearing supports 107, two second split bearing supports 108, and two third split bearing supports 109, the braking and decelerating dual output shaft hydraulic motor 100 is provided with a first output shaft 1001, a second output shaft 1002, and a square flange 1003, the first stepped shaft 102 is provided with a first journal 1021, a second journal 1022, a third journal 1023, a fourth journal 1024, and a fifth journal 1025, the rail wheels 106 are provided with a shaft hole 1061, the first split bearing support 107 is composed of a bearing seat 1071 and a bearing cover 1072, the second split bearing support 108 is composed of a bearing seat 1081 and a bearing cover 1082, the third split bearing support 109 is composed of a bearing seat 1091 and a bearing cover 1092;

sleeving a first bearing 103 on a first stepped shaft second journal 1022 for fixedly connecting, sleeving a second bearing 104 on a first stepped shaft third journal 1023 for fixedly connecting, penetrating a first stepped shaft fourth journal 1024 into a wheel shaft hole 1061 for fixedly connecting, sleeving a third bearing 105 on the first stepped shaft fifth journal 1025 for fixedly connecting, symmetrically and fixedly connecting a braking and decelerating dual-output shaft hydraulic motor square flange 1003 below a first cross beam 131 of the frame, respectively fixedly connecting a first split type supporting bearing seat 1071, a second split type supporting bearing seat 1081 and a third split type supporting bearing seat 1091 below the first cross beam 131 of the frame, respectively sleeving a coupling 101 on a first output shaft 1001 of the braking and decelerating dual-output shaft hydraulic motor and a first stepped shaft first journal 1021 for fixedly connecting, so that the first bearing 103, the second bearing 104 and the third bearing 105 which are installed on the first stepped shaft 102 are respectively arranged on the first split type supporting bearing seat 1071, the first split type supporting bearing seat, the second bearing seat and the third bearing 105, A first split supporting bearing cover 1072, a second split supporting bearing cover 1082 and a third split supporting bearing cover 1092 are aligned and fixedly connected with the first split supporting bearing seat 1071, the second split supporting bearing seat 1081 and the third split supporting bearing seat 1091 respectively, and the same operation is repeated to form a driving device 10;

referring to fig. 1 and 4, the driven wheel device 11 is composed of a second stepped shaft 110, two fourth split bearing supports 111, two fourth bearings 112, two fifth split bearing supports 113, two rail wheels 114 and two fifth bearings 115, the second stepped shaft 110 is provided with two symmetrical first journals 1101, two second journals 1102 and two third journals 1103, the fourth split bearing support 111 is composed of a bearing seat and a bearing cover 1112, the fifth split bearing support 113 is composed of a bearing seat 1131 and a bearing cover 1132, the rail wheels 114 are provided with shaft holes 1141;

two fifth bearings 115 are respectively sleeved on the second stepped shaft and fixedly connected with two third journals 1103, two wheel shaft holes 1061 are respectively sleeved on the second stepped shaft and fixedly connected with two second journals 1102, two fourth bearings 112 are respectively sleeved on the second stepped shaft and fixedly connected with two first journals 1101, two fourth split support bearing seats 1111 and two fifth split support bearing seats 1131 are respectively fixedly connected with proper positions under the second cross beam 132, so that the two fourth bearings 112 and the two fifth bearings 115 which are arranged on the second stepped shaft 110 are respectively arranged in the two fourth split support bearing seats 1111 and the fifth split support bearing seats 1131, and then the two fourth split support bearing covers 1112 and the two fifth split support bearing covers 1132 are respectively aligned and fixedly connected with the two fourth split support bearing seats 1111 and the two fifth split support bearing seats 1132, so as to form the driven wheel device 11;

referring to fig. 1, 2 and 5, the reciprocating rail device 12 is composed of two circular caterpillar plate driving wheels 121, two decelerating hydraulic motors 122, four first lifting devices 123, six L-shaped pins 124, two driven wheels 125, two second lifting devices 126, two laser displacement sensors 127 and two laser distance measuring reference plates 128, the circular caterpillar plate driving wheels 121 are provided with longitudinal beams 1211, the longitudinal beams 1211 are provided with a first shaft hole 12111 and two second shaft holes 12112, the decelerating hydraulic motors 122 are provided with an output shaft 1221 and a flange disk 1222, the L-shaped pins 124 are provided with a double-lug ring 1241, a square flange disk 1242 and a shaft neck 1243, and the driven wheels 125 are provided with shaft holes 1251;

referring to fig. 5, the first lifting device 123 comprises a first hydraulic cylinder 1231, a first square cylindrical fixed arm 1232 and a first square cylindrical telescopic arm 1233, wherein a piston rod of the first hydraulic cylinder 1231 is provided with a single ear loop 12311, the first square cylindrical fixed arm 1232 is provided with a closed end 12321, and the first square cylindrical telescopic arm 1233 is provided with a square flange 12331;

as shown in fig. 5, the second lifting device 126 is composed of a second hydraulic cylinder 1261, a second square-cylindrical fixed arm 1262, a second square-cylindrical telescopic arm 1263 and a connecting plate 1264, wherein the cylinder body of the second hydraulic cylinder 1261 is provided with a single-lug ring 12611, the piston rod is provided with a single-lug ring 12612, the second square-cylindrical fixed arm 1262 is provided with a square flange 12621, the second square-cylindrical telescopic arm 1263 is provided with a square flange 12631, and the connecting plate 1264 is provided with a first double-lug ring 12641 and a second double-lug ring 12642;

respectively and symmetrically fixedly connecting four first equal-strength cantilever beams 16 at proper positions on the upper surfaces of the first cross beam 131 and the second cross beam 13, and symmetrically and fixedly connecting two second equal-strength cantilever beams 17 at proper positions on the upper surfaces of the first cross beam 131 and the second cross beam 132;

a first hydraulic oil cylinder 1231 is arranged in the first square cylindrical fixed arm 1232 in a penetrating manner, so that a cylinder body of the first hydraulic oil cylinder 1231 is fixedly connected with a closed end 12321 of the first square cylindrical fixed arm, a first square cylindrical telescopic arm 1233 is arranged in the first square cylindrical fixed arm 1232 in a penetrating manner, a single lug ring 12311 of a piston rod of the first hydraulic oil cylinder and a double lug ring 1241 of an L-shaped pin shaft are coaxially connected to form a hinge, the piston rod of the first hydraulic oil cylinder is prevented from bearing bending moment, and a square flange 12321 of the first square cylindrical fixed arm is fixedly connected with a square flange 1242 of the L-shaped;

a second hydraulic cylinder body single lug ring 12611 and an L-shaped pin shaft double lug ring 1241 are coaxially hinged to avoid the piston rod of the second hydraulic cylinder 1261 bearing bending moment, a second square cylindrical telescopic arm 1263 is sleeved on the second hydraulic cylinder 1261 to enable a second square cylindrical telescopic arm flange 12631 and an L-shaped pin shaft flange 1242 to be aligned and fixedly connected, a second square cylindrical fixed arm 1262 is sleeved on the second square cylindrical telescopic arm 1263, a second hydraulic cylinder piston rod single lug ring 12612 and a connecting plate second double lug ring 12642 are coaxially hinged to form, and a second square cylindrical fixed arm flange 12621 and a connecting plate 1264 are aligned and fixedly connected to form a second lifting device 126;

coaxially penetrating a speed-reducing hydraulic motor output shaft 1221 and a longitudinal beam first shaft hole 12111 of an annular track plate driving wheel 121, fixedly connecting the speed-reducing hydraulic motor output shaft 1221 and a chain wheel of the annular track plate driving wheel 121, fixedly connecting a speed-reducing hydraulic motor flange 1222 and a longitudinal beam 1211, coaxially penetrating two L-shaped pin shaft journals 1243 of two first lifting devices and two second shaft holes 12112 of the longitudinal beam of the annular track plate driving wheel to form a hinge connection, respectively fixedly connecting two first square tubular fixing arms 1232 on two first equal-strength cantilever beams 16, and respectively coaxially forming a hinge connection between a connecting plate first double-lug ring 12641 of the two second lifting devices and a second equal-strength cantilever beam single-lug ring 171;

the L-shaped pin shaft journals 1243 of the two first lifting devices are respectively and coaxially penetrated with the driven wheel shaft holes 1251 to form a hinge connection, the two first square cylindrical fixed arms 1232 are respectively and fixedly connected with the two first equal-strength cantilever beams 16, the two laser displacement sensors 127 are respectively and fixedly connected with the first square cylindrical fixed arms 1232 and the second square cylindrical fixed arms 1262, and the two laser distance measuring reference plates 128 are respectively and fixedly connected with the first square cylindrical telescopic arm flange 12331 and the second square cylindrical telescopic arm flange 12631, so that the automatic rail car with the function of back and forth rail is formed.

The working process and principle of the embodiment are as follows:

1. the rail car round-trip pillow changing field: the high-pressure oil enables a first output shaft and a second output shaft of the braking and decelerating dual-output-shaft hydraulic motor to rotate synchronously in the forward direction, two track wheels are driven to rotate in the forward direction through two first stepped shafts, the track car moves forwards to a sleeper-changing site, the braking and decelerating dual-output-shaft hydraulic motor starts braking, the track car stops moving forwards, after the sleeper-changing work is finished, the braking and decelerating dual-output-shaft hydraulic motor releases braking, the high-pressure oil enables the first output shaft and the second output shaft of the braking and decelerating dual-output-shaft hydraulic motor to rotate synchronously in the reverse direction, the two track wheels are driven to rotate reversely through the two first stepped shafts, and the track car moves reversely to leave the sleeper-changing.

2. The rail car leaves the railway track: if the work related to sleeper replacement cannot be finished in an effective train passing clearance, high-pressure oil enables four first hydraulic cylinder piston rods and two second hydraulic cylinder piston rods to start extending, the four first hydraulic cylinder piston rods respectively push four first square cylindrical telescopic arms to extend synchronously, the two second hydraulic cylinder bodies respectively push two second square cylindrical telescopic arms to extend synchronously, six L-shaped pin shafts respectively push two annular track plate driving wheels and two wheels to move downwards, when the two annular track plate driving wheels and the two wheels are in contact with roadbed ballast and compacted, the four first hydraulic cylinder bodies respectively push four first square cylindrical fixed arms to move upwards, and the two second hydraulic cylinder piston rods respectively push two second square cylindrical fixed arms to move upwards, so that the four first equal-strength cantilever beams and the two second equal-strength cantilever beams respectively support the first cross beams and the second cross beams to move upwards, lifting the rail wheels to a proper height from the rail, as shown in figures 6 and 7, stopping the four first hydraulic cylinder piston rods and the two second hydraulic cylinder piston rods from extending, enabling the two speed reduction hydraulic motors to synchronously rotate in the forward direction by high-pressure oil to drive the rail car to transversely move on a roadbed, when the caterpillar plates of the two annular caterpillar plate driving wheels approach the rail, enabling the two second hydraulic cylinder piston rods and the two first hydraulic cylinder piston rods to coordinately retract, respectively measuring displacement signals of the two hydraulic cylinder piston rods and the two distance measurement reference plates by the two laser displacement sensors to respectively control the first hydraulic cylinders and the second hydraulic cylinders to work, respectively swinging forward by proper angles relative to the second equal-strength cantilever beam by the two second lifting devices, enabling the front ends of the two annular caterpillar plate driving wheels to be lifted to jump the rail, as shown in figures 8 and 9, the gravity center of the rail car is not lifted, when the longitudinal beams of the two annular track plate driving wheels are parallel to the upper surface of the sleeper, the two second hydraulic oil cylinder piston rods stop retracting, the two second hydraulic oil cylinder piston rods start to extend out, so that the two second lifting devices respectively swing in opposite directions by proper angles relative to the second equal-strength cantilever beam, as shown in figures 10 and 11, the two annular track plate driving wheels cross the rail, the two second hydraulic oil cylinder piston rods stop extending out, the two first hydraulic oil cylinder piston rods stop retracting, the two second hydraulic oil cylinder piston rods start to retract to the length of the position shown in figure 7, the two first hydraulic oil cylinder piston rods start to extend to the length of the position shown in figure 7, so that the rail car moves to the proper position of the roadbed, and the two speed reduction hydraulic motors stop rotating in the forward direction;

3. returning the rail car to the railway track: when a train passes through a sleeper changing site, high-pressure oil enables the two speed reducing hydraulic motors to start synchronous reverse rotation to drive the railcar to start transverse movement on a roadbed, when the caterpillar plates of the two annular caterpillar plate driving wheels are close to a steel rail, the two first hydraulic oil cylinder piston rods and the two second hydraulic oil cylinder piston rods start to retract in a coordinated mode, the two second lifting devices respectively swing in a reverse direction by proper angles relative to the second equal-strength cantilever beam to enable the rear ends of the two annular caterpillar plate driving wheels to lift up the upper rail, as shown in figures 10 and 11, when the longitudinal beams of the two annular caterpillar plate driving wheels are parallel to the upper surface of a sleeper, the two first hydraulic oil cylinder piston rods stop retracting, the two first hydraulic oil cylinder piston rods start to extend out, the two second lifting devices respectively swing in a forward direction by proper angles relative to the second equal-strength cantilever beam, as shown in figures 8 and 9, the two annular caterpillar plate driving wheels get over the, when the two first hydraulic oil cylinder piston rods stop extending, the two second hydraulic oil cylinder piston rods stop retracting, the two first hydraulic oil cylinder piston rods start retracting to the length of the position shown in the figure 7, the two second hydraulic oil cylinder piston rods start extending to the length of the position shown in the figure 7, when the rail car returns to the position shown in the figure 6, the two speed reduction hydraulic motors stop rotating reversely, high-pressure oil enables the four first hydraulic oil cylinder piston rods and the two second hydraulic oil cylinder piston rods to start retracting synchronously, the rail wheel descends to contact with the rail, the rail wheel supports the rail car, the position shown in the figure 1, the piston rods of the four first hydraulic oil cylinders and the two second hydraulic oil cylinders stop retracting, and the rail car can move freely on the rail to start related work of replacing the sleeper.

Claims (1)

1. An automatic rail car with a function of reciprocating rail is characterized in that: the system consists of a driving device, a driven wheel device, an upper track device, a lower track device, a frame, four first equal-strength cantilever beams, two second equal-strength cantilever beam rechargeable battery packs, an inverter, a hydraulic system and a control system box, wherein the frame is provided with a first cross beam, a second cross beam and two longitudinal beams;

the driving device consists of a braking and decelerating double-output-shaft hydraulic motor, two couplers, two first stepped shafts, two first bearings, two second bearings, two third bearings, two rail wheels, two first split bearing supports, two second split bearing supports and two third split bearing supports, wherein the braking and decelerating double-output-shaft hydraulic motor is provided with a first output shaft, a second output shaft and a square flange plate;

the first bearing is sleeved on a second journal of the first stepped shaft to be fixedly connected, the second bearing is sleeved on a third journal of the first stepped shaft to be fixedly connected, a fourth journal of the first stepped shaft is penetrated in a wheel shaft hole to be fixedly connected, a third bearing is sleeved on a fifth journal of the first stepped shaft to be fixedly connected, square flange plates of the braking and decelerating dual-output shaft hydraulic motor are symmetrically and fixedly connected below a first cross beam of the frame, a first split type supporting bearing seat, a second split type supporting bearing seat and a third split type supporting bearing seat are respectively and fixedly connected below the first cross beam of the frame, a coupler is respectively sleeved on a first output shaft of the braking and decelerating dual-output shaft hydraulic motor and the first journal of the first stepped shaft to be fixedly connected, so that a first bearing, a second bearing and a third bearing which are arranged on the first stepped shaft are respectively arranged in the first split type supporting bearing seat, the second split type supporting bearing seat and the third split type supporting bearing seat, then, the first split type supporting bearing cover, the second split type supporting bearing cover and the third split type supporting bearing cover are respectively aligned and fixedly connected with the first split type supporting bearing seat, the second split type supporting bearing seat and the third split type supporting bearing seat, and the same operation in the section is repeated to form a driving device;

the driven wheel device consists of a second stepped shaft, two fourth split bearing supports, two fourth bearings, two fifth split bearing supports, two rail wheels and two fifth bearings, wherein the second stepped shaft is provided with two first journals, two second journals and two third journals which are symmetrical, the fourth split bearing supports consist of bearing seats and bearing covers, the fifth split bearing supports consist of the bearing seats and the bearing covers, and the rail wheels are provided with shaft holes;

two fifth bearings are respectively sleeved on the second stepped shaft and fixedly connected with two third journals, two wheel axle holes are respectively sleeved on the second stepped shaft and fixedly connected with two second journals, two fourth bearings are respectively sleeved on the second stepped shaft and fixedly connected with two first journals, two fourth split type supporting bearing seats and two fifth split type supporting bearing seats are respectively fixedly connected with proper positions below the second cross beam, so that the two fourth bearings and the two fifth bearings which are arranged on the second stepped shaft are respectively arranged in the two fourth split type supporting bearing seats and the fifth split type supporting bearing seats, and then the two fourth split type supporting bearing covers and the two fifth split type supporting bearing covers are respectively aligned and fixedly connected with the two fourth split type supporting bearing seats and the two fifth split type supporting bearing seats to form a driven wheel device;

the reciprocating track device consists of two annular caterpillar track plate driving wheels, two deceleration hydraulic motors, four first lifting devices, six L-shaped pin shafts, two driven wheels, two second lifting devices, two laser displacement sensors and two laser distance measurement reference plates, wherein the annular caterpillar track plate driving wheels are provided with longitudinal beams, the longitudinal beams are provided with first shaft holes and two second shaft holes, the deceleration hydraulic motors are provided with output shafts and flange plates, the L-shaped pin shafts are provided with double-lug rings, square flange plates and shaft necks, and the driven wheels are provided with shaft holes;

the first lifting device comprises a first hydraulic oil cylinder, a first square-cylinder-shaped fixed arm and a first square-cylinder-shaped telescopic arm, wherein a piston rod of the first hydraulic oil cylinder is provided with a single-lug ring, the first square-cylinder-shaped fixed arm is provided with a closed end, and the first square-cylinder-shaped telescopic arm is provided with a square flange;

the second lifting device consists of a second hydraulic cylinder, a second square-cylindrical fixed arm, a second square-cylindrical telescopic arm and a connecting plate, wherein a cylinder body of the second hydraulic cylinder is provided with a single-lug ring, a piston rod is provided with a single-lug ring, the second square-cylindrical fixed arm is provided with a square flange plate, the second square-cylindrical telescopic arm is provided with a square flange plate, and the connecting plate is provided with a first double-lug ring and a second double-lug ring;

respectively and symmetrically fixedly connecting four first equal-strength cantilever beams to proper positions on the upper surfaces of the first cross beam and the second cross beam, and symmetrically and fixedly connecting two second equal-strength cantilever beams to proper positions on the upper surfaces of the first cross beam and the second cross beam;

a first hydraulic oil cylinder is arranged in the first square cylindrical fixed arm in a penetrating manner, so that a cylinder body of the first hydraulic oil cylinder is fixedly connected with the closed end of the first square cylindrical fixed arm, a first square cylindrical telescopic arm is arranged in the first square cylindrical fixed arm in a penetrating manner, a single lug ring of a piston rod of the first hydraulic oil cylinder and a double lug ring of the L-shaped pin shaft are coaxially connected to form a hinge, the piston rod of the first hydraulic oil cylinder is prevented from bearing bending moment, and a square flange plate of the first square cylindrical fixed arm is fixedly connected with a square flange plate of the;

a single lug ring of a cylinder body of the second hydraulic cylinder is coaxially connected with a double lug ring of an L-shaped pin shaft to form a hinge joint, so that a piston rod of the second hydraulic cylinder is prevented from bearing bending moment, a second square-cylindrical telescopic arm is sleeved on the second hydraulic cylinder, a flange plate of the second square-cylindrical telescopic arm is aligned and fixedly connected with a flange plate of the L-shaped pin shaft, a second square-cylindrical fixed arm is sleeved on the second square-cylindrical telescopic arm, the single lug ring of the piston rod of the second hydraulic cylinder is coaxially connected with a second double lug ring of a connecting plate to form a hinge joint, and the flange plate of the second square-cylindrical fixed arm is aligned and fixedly;

coaxially penetrating an output shaft of a speed reduction hydraulic motor and a first axial hole of a longitudinal beam of an annular track plate driving wheel, fixedly connecting the output shaft of the speed reduction hydraulic motor and a chain wheel of the annular track plate driving wheel, fixedly connecting a flange plate of the speed reduction hydraulic motor and the longitudinal beam, coaxially penetrating two L-shaped pin shaft necks of two first lifting devices and two L-shaped pin shaft necks of two second lifting devices and two second axial holes of the longitudinal beam of the annular track plate driving wheel respectively to form a hinge connection, fixedly connecting two first square fixed arms on two first equal-strength cantilever beams respectively, and coaxially forming a hinge connection between a first double-lug ring of a connecting plate of the two second lifting devices and a single-lug ring of a second equal-strength cantilever beam;

the L-shaped pin shaft necks of the two first lifting devices are coaxially penetrated with the driven wheel shaft hole respectively to form hinged connection, the two first square cylindrical fixed arms are fixedly connected to the two first equal-strength cantilever beams respectively, the two laser displacement sensors are fixedly connected to the first square cylindrical fixed arms and the second square cylindrical fixed arms respectively, and the two laser distance measuring reference plates are fixedly connected to the first square cylindrical telescopic arm flange and the second square cylindrical telescopic arm flange respectively to form the automatic railcar with the function of back and forth rail.

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