CN114934409A - Lithium-battery-driven monorail tamping machine capable of monitoring vibration parameters - Google Patents

Abstract

A lithium-driven monorail tamping tool capable of monitoring vibration parameters belongs to the field of small railway maintenance equipment. The technical scheme of the invention is as follows: a lithium battery and a switched reluctance motor are fixed on a frame made of aluminum alloy section bars, an output shaft of the switched reluctance motor is connected with a transmission mechanism, and the transmission mechanism is connected with a tamping device; the tamping device comprises a flexible shaft assembly, a hose assembly, a vibration reduction handle and a tamping bar, a controller, a frequency monitoring device and a switch are arranged on the lithium battery, and a liquid crystal display screen is also arranged on the rack; two ends of the frame are respectively fixed with a group of double-edge walking wheel assemblies, the frame is fixed with a belt cover and a lifting handle, and a telescopic walking frame is fixedly connected below the frame. The beneficial effects are that: the tamping machine has the advantages of capability of monitoring the vibration frequency in real time, effective guarantee of tamping quality, light weight, long service life, strong adaptability, comfortable operation, reliable operation, convenient and fast loading and unloading, high production efficiency, novel design, reasonable structure, simple and convenient maintenance, safety and reliability.

Description

Lithium-battery-driven monorail tamping machine capable of monitoring vibration parameters

Technical Field

A lithium-battery-driven monorail tamping machine capable of monitoring vibration parameters relates to railway maintenance machinery, in particular to small railway maintenance equipment.

Background

By the end of 2021, the mileage of the railway in China exceeds 15.6 kilometers, wherein most of the railway is ballast lines and comprises all ordinary speed railways and part of high-speed railways. The tamping machine is used for tamping a ballast track bed of a ballast line, improves the track smoothness and the structure reliability, and is an important content of railway maintenance operation. At present, small-sized railway maintenance equipment for tamping ballast line track beds is various tamping machines, and particularly, flexible shaft tamping machines are most widely applied. The flexible shaft tamping rod is used for generating vibration, so that frictional resistance among ballast is overcome, the ballast moves relatively and is rearranged, and gaps under sleepers are filled, so that the aims of compacting the ballast and stabilizing a track bed are fulfilled. The flexible shaft tamping tool is driven by a motor and a gasoline engine as power sources; in terms of their range of use, there are tamping both-sided circuits and tamping one-sided circuits. The flexible axle tamping tool of present tamping unilateral circuit is mostly internal combustion type, is unfavorable for realizing automation, intellectuality, can not real-time supervision vibration parameter moreover, and the urgent need improves, and the innovation develops a new, the operation is reliable, operate comfortable, uses the lithium cell as the power supply, but the single track tamping tool of real-time supervision vibration parameter to the urgent need of adaptation there is ballast circuit tamping maintenance.

Disclosure of Invention

The invention aims to innovatively develop a novel lithium-ion-driven monorail tamping machine capable of monitoring vibration parameters in real time and meet the urgent need of tamping and maintaining ballasted lines.

The technical scheme of the invention is as follows: a lithium battery and a switched reluctance motor are fixed on a frame made of an aluminum alloy section, an output shaft of the switched reluctance motor is connected with a transmission mechanism, and the transmission mechanism is connected with a tamping device; the tamping device comprises a flexible shaft assembly, a hose assembly, a vibration reduction handle and a tamping bar; the lithium battery is provided with a controller, a frequency monitoring device and a switch, and the rack is also provided with a liquid crystal display screen; two ends of the frame are respectively fixed with a group of double-edge walking wheel assemblies, the frame is fixed with a belt cover and a lifting handle, and a telescopic walking frame is fixedly connected below the frame.

The invention has the beneficial effects that: the used frequency monitoring device is sensitive in measurement, simple to operate and high in cost performance, can monitor the vibration frequency in real time, and further determines whether vibration parameters such as exciting force are in a specified range, so that the tamping quality is effectively guaranteed. The machine frame made of the aluminum alloy section greatly reduces the weight of the whole machine, the telescopic traveling frame is convenient for traveling operation and moving construction on the steel rail, and has the advantages of light weight, long service life, humanization, strong adaptability, comfortable operation, reliable operation, convenient and fast ascending and descending, high production efficiency, good tamping effect, novel design, reasonable structure, simple and convenient maintenance, safety and reliability.

Drawings

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

Fig. 2 is a perspective view of the structure of the frame 1 in fig. 1.

Detailed Description

The details and operation of the present invention will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiment is only one embodiment of the invention, and not all embodiments. Other embodiments, which can be derived by those skilled in the art from the embodiments given herein without any creative effort, shall fall within the protection scope of the present invention. A lithium battery 2 and a switched reluctance motor 3 are fixed on a frame 1 made of an aluminum alloy section, an output shaft of the switched reluctance motor 3 is connected with a transmission mechanism 5, and the transmission mechanism 5 is connected with a tamping device 6; the tamping device 6 comprises a flexible shaft assembly 6-1, a hose assembly 6-2, a vibration reduction handle 6-3 and a tamping bar 6-4; the lithium battery 2 is provided with a controller 7, a frequency monitoring device 8 and a switch 9, and the frame 1 is also provided with a liquid crystal display screen 10; a group of double-edge traveling wheel assemblies 11 are respectively fixed at two ends of a frame 1, a belt cover 4 and a lifting handle 12 are fixed on the frame 1, and a telescopic traveling frame 13 is fixedly connected below the frame 1. The telescopic walking frame 13 consists of a fixed pipe 13-1, an outer pipe 13-2, a fastening screw 13-3, an inner pipe 13-4 and a single-edge walking wheel assembly 13-5. During tamping operation, two persons lift the whole machine to the upper track by holding the lifting handle 12, the double-edge traveling wheel assembly 11 is arranged on a steel rail, the inner pipe 13-4 and the outer pipe 13-2 of the telescopic traveling frame 13 are sequentially drawn out from the fixed pipe 13-1, the single-edge traveling wheel assembly 13-5 is arranged on the steel rail on the other side and is firmly fastened by the fastening screw 13-3, the tamping device 6 is connected with the transmission mechanism 5, the switch 9 is started, the power of the lithium battery 2 and the switched reluctance motor 3 is transmitted to the triangular belt of the transmission mechanism 5 through the belt wheel on the output shaft of the switched reluctance motor 3, the output shaft is respectively driven through the belt wheel, and then the flexible shaft assembly 6-1 of the tamping device 6 connected with the output shaft is driven. Lightly colliding the front end of the tamping bar 6-4 to the ground, starting operation after emitting high-frequency sound of 'hum … …', holding the vibration reduction handle 6-3 to insert obliquely, tamping the railway ballast into the position below the sleeper, vibrating the tamping bar 6-4 to overcome the friction resistance between the railway ballasts, enabling the railway ballasts to move relatively and rearrange, filling the gap below the sleeper, fully tamping four point positions formed by the intersection of the inner side and the outer side of one steel rail and the sleeper, and compacting the railway ballast and stabilizing the railway bed. When the track bed under the steel rail on one side is tamped, the complete lifting machine is placed on the steel rail on the other side by rotating 180 degrees, and the tamping process is continuously repeated. In order to effectively ensure the tamping effect, the frequency monitoring device 8 is needed to monitor whether the vibration parameters are in a specified range in real time, and the exciting force of the tamping bar is only positively correlated with the frequency, namely, the rotating speed of the switched reluctance motor 3, so that the size of the exciting force is reflected by the liquid crystal display screen 10. If the liquid crystal display screen 10 is found not to be within the predetermined range during operation, the operation can be adjusted by the controller 7. When tamping is finished, the tamping rod 4-4 is inserted into the rod inserting position, and the whole machine is lifted to the shoulder of the road by four persons without invading the limit. The invention has the beneficial effects that: the used frequency monitoring device is sensitive in measurement, simple to operate and high in cost performance, can monitor the vibration frequency in real time, and further determines whether vibration parameters such as exciting force are in a specified range, so that the tamping quality is effectively guaranteed. The machine frame made of the aluminum alloy section greatly reduces the weight of the whole machine, the telescopic running frame is convenient for running operation and moving construction of the steel rail, and has the advantages of light weight, long service life, humanization, strong adaptability, comfortable operation, reliable operation, convenient and fast loading and unloading, high production efficiency, good tamping effect, novel design, reasonable structure, simple and convenient maintenance, safety and reliability.

Claims (2)

1. The utility model provides a lithium electricity drive single track tamping machine of vibration parameter can monitor which characterized in that: a lithium battery (2) and a switched reluctance motor (3) are fixed on a frame (1) made of an aluminum alloy section, an output shaft of the switched reluctance motor (3) is connected with a transmission mechanism (5), and the transmission mechanism (5) is connected with a tamping device (6); the tamping device (6) comprises a flexible shaft assembly (6-1), a hose assembly (6-2), a vibration reduction handle (6-3) and a tamping rod (6-4); a controller (7), a frequency monitoring device (8) and a switch (9) are installed on the lithium battery (2), and a liquid crystal display screen (10) is also installed on the rack (1); a group of double-edge traveling wheel assemblies (11) are respectively fixed at two ends of the frame (1), a belt cover (4) and a lifting handle (12) are fixed on the frame (1), and a telescopic traveling frame (13) is fixedly connected below the frame (1).

2. The lithium-driven monorail tamper capable of monitoring vibration parameters as defined in claim 1, wherein: the telescopic walking frame (13) consists of a fixed pipe (13-1), an outer pipe (13-2), a fastening screw (13-3), an inner pipe (13-4) and a single-edge walking wheel assembly (13-5).

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