CN117818673A - Double-rail flaw detection tractor - Google Patents

Double-rail flaw detection tractor Download PDF

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Publication number
CN117818673A
CN117818673A CN202410251384.8A CN202410251384A CN117818673A CN 117818673 A CN117818673 A CN 117818673A CN 202410251384 A CN202410251384 A CN 202410251384A CN 117818673 A CN117818673 A CN 117818673A
Authority
CN
China
Prior art keywords
frame assembly
assembly
tractor
flaw detection
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410251384.8A
Other languages
Chinese (zh)
Inventor
王波
夏甫根
李涛
程浩
张明富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Yiwei New Energy Vehicle Co ltd
Original Assignee
Chengdu Yiwei New Energy Vehicle Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Yiwei New Energy Vehicle Co ltd filed Critical Chengdu Yiwei New Energy Vehicle Co ltd
Priority to CN202410251384.8A priority Critical patent/CN117818673A/en
Publication of CN117818673A publication Critical patent/CN117818673A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D15/00Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
    • B61D15/08Railway inspection trolleys
    • B61D15/12Railway inspection trolleys power propelled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C3/00Electric locomotives or railcars
    • B61C3/02Electric locomotives or railcars with electric accumulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61GCOUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00Details or accessories
    • B61G7/08Adjustable coupling heads
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61KAUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
    • B61K9/00Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
    • B61K9/08Measuring installations for surveying permanent way

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The invention relates to the technical field of traction devices of rail vehicles, and particularly discloses a double-rail flaw detection tractor which comprises: the frame assembly is movably arranged on the track; the power assembly is used for driving the frame assembly to move; the heat dissipation component is used for dissipating heat; the control component is electrically connected with the power component and the heat dissipation component; the connecting component is arranged on the frame assembly and can be movably connected with the flaw detection vehicle; the coupling assembly includes: the bearing seat is arranged on the frame assembly; one end of the mounting rod is rotatably arranged in the bearing seat, and the other end of the mounting rod extends towards the direction away from the frame assembly; the object carrying rod is welded and installed at one end of the installation rod far away from the frame assembly; the mounting hole is arranged on the carrying rod. By using the invention, the automation degree of the rail flaw detection operation can be effectively improved, the flaw detection cost is reduced, and the rail flaw detection efficiency is improved; the device can also be used for enabling the flaw detection vehicle and the tractor to move left and right, so that the flaw detection vehicle is prevented from derailing along with the swing of the tractor, and the running stability is ensured.

Description

Double-rail flaw detection tractor
Technical Field
The invention relates to the technical field of traction devices of rail cars, in particular to a double-rail flaw detection tractor.
Background
The railway is one of the main transportation means of residents in China, and along with the continuous increase of passenger and cargo carrying, the operation time is continuously prolonged, and the railway steel rail can generate fatigue. In actual operation, flaw detection needs to be carried out on the steel rail regularly, and damaged parts are found to be replaced in time.
In the existing rail flaw detection, some of the rail flaw detection devices detect the rail by workers through portable ultrasonic flaw detectors, but the detection mode requires manual pushing detection, so that the detection efficiency is low and the labor cost is high.
Although flaw detection vehicles for steel rail flaw detection operation are already available on the market, the flaw detection vehicles have a certain weight, and sufficient traction force is usually provided for the flaw detection vehicles through a tractor; in the prior art, the flaw detection vehicle and the tractor are connected through bolts, but when the tractor guides the flaw detection vehicle to move along the steel rails, the two steel rails are not always in a horizontal state (such as when the road section with sundries on the steel rails) and if the flaw detection vehicle and the tractor are in rigid connection, the flaw detection vehicle is easy to derail, and the running stability is not facilitated.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a double-rail flaw detection tractor, which aims to improve the automation of rail flaw detection operation, reduce the cost of rail flaw detection operation and ensure the running stability.
In order to achieve the above purpose, the invention adopts the following technical scheme:
provided is a dual-rail flaw detection tractor, comprising: the frame assembly is movably arranged on the track; the power assembly is used for driving the frame assembly to move; the heat dissipation assembly is used for dissipating heat; the control assembly is electrically connected with the power assembly and the heat dissipation assembly; the connecting component is arranged on the frame assembly and can be movably connected with the flaw detection vehicle.
Further, the power assembly includes: the driving axle is arranged on the frame assembly; the wheels are rotatably arranged on the drive axle; the driving motor is in transmission connection with the driving axle; the power battery provides power for the driving motor; and the motor controller is electrically connected with the driving motor.
Further, the tractor further includes: the two ends of the plate spring are movably connected with the frame assembly, and the plate spring is fixedly connected with the driving axle.
Further, the tractor further comprises a connecting rod, one end of the plate spring is hinged to the frame assembly, the other end of the plate spring is hinged to the connecting rod, and the connecting rod is hinged to the frame assembly.
Further, the heat dissipation assembly includes: the water tank is arranged on the frame assembly; the water pipe passes through the power assembly and the control assembly; the water pump is communicated with the water tank and the water pipe and is used for circularly supplying water to the water pipe.
Further, a rubber pad is arranged between the water tank and the frame assembly.
Further, the connection assembly includes: the bearing seat is arranged on the frame assembly; one end of the mounting rod is rotatably arranged in the bearing seat, and the other end of the mounting rod extends towards the direction away from the frame assembly; the object carrying rod is welded and installed at one end of the installation rod far away from the frame assembly; the mounting hole is arranged on the carrying rod.
Further, at least two bearing seats are arranged on the tractor.
The beneficial effects of the invention are as follows: on one hand, the invention drives the flaw detection vehicle to carry out flaw detection operation, thereby effectively improving the automation degree of the steel rail flaw detection operation and reducing the flaw detection cost; the manual labor amount can be reduced, and the rail flaw detection efficiency is improved.
On the other hand, the installation rod is fixedly connected with the flaw detection vehicle, and the installation rod is rotatably connected with the frame assembly through the bearing seat, so that the flaw detection vehicle and the tractor can be rotatably connected; the device can enable the flaw detection vehicle and the tractor to move relatively left and right, prevent the flaw detection vehicle from derailing along with the swing of the tractor, and ensure the running stability.
Drawings
FIG. 1 is a schematic view of the overall structure of a tractor provided by the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic view of a frame assembly according to the present invention;
fig. 4 is a schematic structural diagram of a connection assembly according to the present invention.
1, a frame assembly; 11. a main frame; 12. an auxiliary frame; 21. a drive axle; 22. a wheel; 23. a power battery; 24. a motor controller; 25. a leaf spring; 3. a connecting rod; 4. a connection assembly; 41. a bearing seat; 42. a mounting rod; 43. a carrying rod; 44. a mounting hole; 51. a VCU terminal; 52. a braking system; 53. a T-BOX component; 54. DC/AC components.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1, an embodiment of the present invention provides a dual-rail inspection tractor, comprising: the frame assembly 1 is movably arranged on the track; the power assembly is used for driving the frame assembly 1 to move; the heat dissipation assembly is used for dissipating heat; the control assembly is electrically connected with the power assembly and the heat dissipation assembly; the connecting component 4 is arranged on the frame assembly 1 and can be movably connected with the flaw detection vehicle.
During specific operation, the power component is used for providing power for the frame assembly 1 and providing traction force for the flaw detection vehicle, so that the flaw detection vehicle is pulled to move along the rail, the flaw detection vehicle is driven along the rail according to a specified speed, and flaw detection operation of the rail is completed; the invention can remotely control the tractor to drive the flaw detection vehicle to carry out flaw detection operation, thereby reducing the amount of manual labor and improving the flaw detection efficiency of the rail; in addition, the tractor can be used for connecting other railway vehicles, and the application range is enlarged.
Referring to fig. 4, the connection assembly 4 includes: a bearing block 41 provided in the frame assembly 1; a mounting rod 42 having one end rotatably disposed in the bearing housing 41 and the other end extending in a direction away from the frame assembly 1; the carrying rod 43 is welded and mounted at one end of the mounting rod 42 far away from the frame assembly 1; the mounting hole 44 is opened on the carrying rod 43.
It will be appreciated that the truck may be connected to the tractor by bolts passing through the mounting holes 44 and the truck and tightening nuts.
In the invention, the installation rod 42 is fixedly connected with the flaw detection vehicle, and the installation rod 42 is rotatably connected with the frame assembly 1 through the bearing seat 41, so that the flaw detection vehicle and the tractor are rotatably connected; for example, when the wheels 22 roll sundries on the track to cause the tractor to swing left and right along the width direction of the track, the flaw detector and the tractor can move left and right relatively, derailment caused by the swing of the flaw detector along with the tractor can be prevented, and the running stability is ensured.
Further, at least two bearing seats 41 are arranged on the tractor, and the mounting rod 42 is positioned through the two bearing seats 41, so that the mounting stability of the mounting rod 42 is ensured.
Further, the power assembly includes: a drive axle 21 provided on the frame assembly 1; a wheel 22 rotatably provided on the transaxle 21; the driving motor is in transmission connection with the driving axle 21; a power battery 23 for supplying power to the driving motor; and a motor controller 24 electrically connected to the driving motor. The motor controller 24 controls the rotation speed and the rotation direction of the driving motor, so that the functions of acceleration, deceleration, forward movement, backward movement and the like of the whole tractor are controlled.
It is worth mentioning that, even though some factories utilize the railway locomotive to refit the flaw detection vehicle and can draw the flaw detection vehicle to freely walk on the track, the manufacturing cost and the maintenance cost are too high to be suitable for large-scale use; the invention has simple structure and low manufacturing cost, and is suitable for large-scale popularization and use.
Specifically, two power batteries 23 are provided and are respectively mounted on two sides of the frame assembly 1 through bolts, and of course, a PDU high-voltage tank and a charging device are further arranged on the frame assembly 1 to provide sufficient electric energy for the tractor.
Referring to fig. 2, the tractor further includes: the plate spring 25, the both ends and the frame assembly 1 swing joint of plate spring 25, and plate spring 25 and transaxle 21 fixed connection.
Further, the tractor further comprises a connecting rod 3, one end of the plate spring 25 is hinged to the frame assembly 1, the other end of the plate spring is hinged to the connecting rod 3, and the connecting rod 3 is hinged to the frame assembly 1. Through with leaf spring 25 swing joint on frame assembly 1, can effectively avoid the tractor along orbital upper and lower vibration, play certain guard action to various subassemblies on the tractor, further guarantee the driving stability.
Further, the heat dissipation assembly includes: the water tank is arranged on the frame assembly 1; the water pipe passes through the power assembly and the control assembly; the water pump is communicated with the water tank and the water pipe and is used for circularly supplying water to the water pipe.
Further, a rubber cushion is arranged between the water tank and the frame assembly 1 to prevent the water tank from being damaged by up-and-down vibration of the tractor.
Referring to fig. 3, the frame assembly 1 is detachably coupled together by bolts from a main frame 11 and a sub-frame 12.
It should be noted that the control assembly at least includes: the VCU terminal 51 is configured to detect various signals and then perform logic judgment; a brake system 52, an execution unit that implements brake-by-wire; a T-BOX component 53 for collecting, recording critical CAN data for vehicle operation and analyzing for improvement; DC/AC block 54 and 7kW220V power supply reserved for inspection vehicle operating mechanisms.
The tractor further comprises an integrated controller, wherein a DCDC (direct current) is arranged in the integrated controller, and the integrated controller is used for charging a 24V power battery 23 and supplying power to a power module at low voltage when the whole tractor normally operates; the power module is also provided with a DCAC and is used for providing alternating current power for the electric air compressor; the power distribution system is also provided with a PDU (power distribution unit), namely a high-voltage power distribution system, and is used for distributing power to all high-voltage system components of the whole vehicle.
Of course, a brake system 52 is also provided on the tractor, consisting of an EBS system and an ABS system. The EBS system consists of a controller, a single/double-channel valve, a parking brake valve and other parts, and is installed with the frame assembly 1 through bolts. The dual functions can realize the brake-by-wire function, shorten the braking distance, realize quick braking and quickly eliminate the subsequent acting force of inertia on the tractor.
It will be apparent to those skilled in the art that while preferred embodiments of the present invention have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. A dual-rail inspection tractor, comprising:
the frame assembly (1) is movably arranged on the track;
the power assembly is used for driving the frame assembly (1) to move;
the heat dissipation assembly is used for dissipating heat;
the control assembly is electrically connected with the power assembly and the heat dissipation assembly;
the connecting component (4) is arranged on the frame assembly (1) and can be movably connected with the flaw detection vehicle;
wherein the connection assembly (4) comprises:
the bearing seat (41) is arranged on the frame assembly (1);
one end of the mounting rod (42) is rotatably arranged in the bearing seat (41), and the other end of the mounting rod extends towards a direction away from the frame assembly (1);
the carrying rod (43) is welded and installed at one end of the installation rod (42) far away from the frame assembly (1);
and a mounting hole (44) formed in the carrying rod (43).
2. The dual rail inspection tractor of claim 1, wherein the power assembly includes:
the driving axle (21) is arranged on the frame assembly (1);
a wheel (22) rotatably provided on the drive axle (21);
the driving motor is in transmission connection with the driving axle (21);
a power battery (23) for supplying power to the drive motor;
and a motor controller (24) electrically connected with the driving motor.
3. The dual rail inspection tractor of claim 2, further comprising: the two ends of the plate spring (25) are movably connected with the frame assembly (1), and the plate spring (25) is fixedly connected with the drive axle (21).
4. A dual-rail inspection tractor according to claim 3, further comprising a link (3), one end of the leaf spring (25) being hingedly mounted to the frame assembly (1) and the other end being hingedly mounted to the link (3), and the link (3) being hingedly mounted to the frame assembly (1).
5. The dual rail inspection tractor of claim 1, wherein the heat dissipating assembly includes:
the water tank is arranged on the frame assembly (1);
the water pipe passes through the power assembly and the control assembly;
the water pump is communicated with the water tank and the water pipe and is used for circularly supplying water to the water pipe.
6. The dual rail inspection tractor of claim 5, characterized in that a rubber pad is provided between the water tank and the frame assembly (1).
7. Double rail flaw detection tractor according to claim 1, characterized in that at least two bearing blocks (41) are provided.
CN202410251384.8A 2024-03-06 2024-03-06 Double-rail flaw detection tractor Pending CN117818673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410251384.8A CN117818673A (en) 2024-03-06 2024-03-06 Double-rail flaw detection tractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410251384.8A CN117818673A (en) 2024-03-06 2024-03-06 Double-rail flaw detection tractor

Publications (1)

Publication Number Publication Date
CN117818673A true CN117818673A (en) 2024-04-05

Family

ID=90524493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410251384.8A Pending CN117818673A (en) 2024-03-06 2024-03-06 Double-rail flaw detection tractor

Country Status (1)

Country Link
CN (1) CN117818673A (en)

Citations (18)

* Cited by examiner, † Cited by third party
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CA1133534A (en) * 1982-02-15 1982-10-12 Melvin H. Opp Motorcycle trailer hitch
FR2529838A1 (en) * 1982-07-12 1984-01-13 Renault Vehicules Ind Pneumatic suspension device for industrial vehicle
JPH08175441A (en) * 1994-12-28 1996-07-09 Toyota Autom Loom Works Ltd Towing device for trailer and trailer
DE202004009838U1 (en) * 2004-06-23 2004-09-16 Schatzinger, Ludwig, Dipl.-Ing. (FH) Adjustable tow hitch mechanism for two-wheel trailer attached to road vehicle has hitch ball movable laterally on swivel or sliding carriage to counteract tendency of trailer to cut curve
CN104002632A (en) * 2014-06-10 2014-08-27 安徽江淮汽车股份有限公司 Vehicle and plate spring suspension assembly thereof
CN104669967A (en) * 2013-12-02 2015-06-03 武汉圣翌电动工业车辆有限公司 Damping device of steering axle plate of electric tractor
CN104986005A (en) * 2015-07-24 2015-10-21 姜兆田 Shock-absorbing mechanism of load-carrying vehicle
CN105857324A (en) * 2016-05-11 2016-08-17 宝鸡南车时代工程机械有限公司 Official business rail car for narrow gauge railway
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CN109094586A (en) * 2018-09-12 2018-12-28 大连铁丰轨道交通装备有限责任公司 Magnetic suspension train draws maintenance engineering vehicle
CN110641484A (en) * 2019-10-30 2020-01-03 山东东大动力科技有限公司 Rail electric tractor
CN210133186U (en) * 2019-06-19 2020-03-10 一汽解放汽车有限公司 Chassis structure of pure electric traction vehicle
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AU2021101482A4 (en) * 2021-03-23 2021-05-13 Qingdao University Of Science And Technology Temperature control device for battery of electric automobile
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CN218848628U (en) * 2022-11-30 2023-04-11 济南奥图自动化股份有限公司 Novel high-speed heavy load AGV
CN117622236A (en) * 2023-11-29 2024-03-01 安徽辉瑞轨道智能设备有限公司 Whole vehicle controller system and battery box for changing diesel locomotive into electric motor vehicle

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