Hand-push type overhead line system pantograph simulation detection vehicle

Abstract

The utility model belongs to the technical field of railway catenary detection, and solves the problem that equipment for continuously and intelligently detecting main parameters of a catenary is lacked. A detection support is arranged at the upper end of a vehicle frame, a laser scanning sensor, an overhead line system wire hard point sensor and a pantograph spring are all arranged on the upper end face of the detection support, the upper end of the pantograph spring is connected with a pantograph, the upper end of the pantograph is connected with a pantograph carbon plate, and the pantograph carbon plate is connected with the overhead line system wire hard point sensor. The pantograph carbon plate is always in contact with the contact line under the action of the pantograph spring; the laser scanning sensor and the catenary wire hard point sensor are both connected with the terminal, and the terminal is used for processing data detected by the laser scanning sensor and the catenary wire hard point sensor to obtain real-time detection values of conductor height and pull-out values and contact wire hard bending and hard point positions. The device can realize continuous measurement of parameters of the overhead line system and detect a lead erection state by judging whether the contact line has a hard point or not.

Description

Technical Field

[0001] The utility model belongs to the technical field of railway contact network detection, and in particular relates to a hand-pushed contact network simulation pantograph detection vehicle. Background Art

[0002] The overhead contact network is a special form of transmission line erected above the track line that is unique to electrified rail transit. The electric locomotive obtains electrical energy and generates power through the good contact between the pantograph on its roof and the overhead contact wire. Its current collection quality is always affected by the operating status of the overhead contact wire.

[0003] In order to keep the contact network in good operating condition, in addition to strict requirements on the design, construction and operation of the contact suspension and railway lines, a series of periodic inspections and records of the contact network status are also extremely important.

[0004] The main parameters of the contact network, such as the pull-out value, the height of the conductor, and whether the smoothness of the contact network line has hard spots, determine the smoothness of the pantograph at high speed and the speed of the train. After the construction of the contact network, it is very important to conduct preliminary inspections. At present, there is a lack of equipment for continuous intelligent detection of the above main parameters. Utility Model Content

[0005] In order to solve at least one of the above technical problems existing in the prior art, the utility model provides a hand-pushed contact network simulation pantograph detection vehicle.

[0006] The utility model is implemented by the following technical scheme: a hand-pushed contact network simulation pantograph detection vehicle, comprising a vehicle frame, a laser scanning sensor, a contact network wire hard point sensor, a pantograph spring, a pantograph and a pantograph carbon plate; a track wheel is arranged at the bottom end of the vehicle frame, a detection bracket is arranged at the upper end of the vehicle frame, the laser scanning sensor, the contact network wire hard point sensor, and the pantograph spring are all arranged on the upper end surface of the detection bracket, the upper end of the pantograph spring is connected to the pantograph, the upper end of the pantograph is connected to the pantograph carbon plate, and the pantograph carbon plate is connected to the pantograph spring. The system always keeps in contact with the contact wire; the laser scanning sensor is used to perform laser scanning of the contact wire height and pull-out values ​​at each positioning point; the contact wire hard point sensor is electrically connected to the pantograph carbon plate, and the contact wire hard point sensor is used to detect the impact force on the pantograph carbon plate; the laser scanning sensor and the contact wire hard point sensor are both connected to the terminal, and the terminal is used to process the data detected by the laser scanning sensor and the contact wire hard point sensor to obtain the real-time detection values ​​of the height and pull-out values ​​and the position of the hard bend hard point of the contact wire.

[0007] Preferably, the terminal is arranged on an auxiliary bracket at the bottom of the frame, a lithium battery is arranged at the auxiliary bracket, and the laser scanning sensor, the contact network wire hard point sensor and the terminal are respectively connected to the lithium battery through the first transmission line, the second transmission line and the USB line.

[0008] Preferably, the laser scanning sensor is connected to the terminal via a first Ethernet, and the contact network conductor hard point sensor is connected to the terminal via a second Ethernet.

[0009] Preferably, the installation height of the laser scanning sensor is lower than or equal to the height of the pantograph carbon plate.

[0010] Preferably, there are two pantograph springs, which are symmetrically arranged on both sides of the pantograph center point.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The device has a simple structure and utilizes the uniform speed of the trolley to make the pantograph carbon plate contact the contact line. When the conductor height changes, the pantograph spring device can freely and reliably expand and contract according to the height change, so that the pantograph carbon plate can reliably contact the contact line. The laser scanning sensor and the contact wire hard point sensor transmit the test data to the terminal. The hand-push contact wire simulation pantograph detection vehicle can facilitate the detection of contact wire geometric parameters. Compared with the existing commonly used non-contact detection equipment DJJ-8 laser multi-function contact wire detector, the detection system of the hand-push contact wire simulation pantograph detection vehicle can realize continuous (uninterrupted) measurement of contact wire parameters, whether there are hard points on the contact line, thereby detecting the wire installation status, etc., and the diversification of terminals can increase the application scope of the detection vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 is a front view of the present embodiment;

[0015] Figure 2 It is a left side view of this embodiment.

[0016] In the figure: 1-frame; 2-laser scanning sensor; 2.1-first transmission line; 2.2-first Ethernet; 3-contact wire hard point sensor; 3.1-second transmission line; 3.2-second Ethernet; 4-pantograph spring; 5-pantograph; 6-pantograph carbon plate; 7-detection bracket; 8-terminal; 8.1-USB cable; 9-auxiliary bracket; 10-lithium battery. DETAILED DESCRIPTION

[0017] Combined with the drawings in the embodiments of the utility model, the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which the present invention can be implemented, so they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention. It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0019] The utility model provides an embodiment:

[0020] like Figure 1 , Figure 2As shown, a hand-pushed contact network simulation pantograph detection vehicle includes a frame 1, a laser scanning sensor 2, a contact network wire hard point sensor 3, a pantograph spring 4, a pantograph 5 and a pantograph carbon plate 6; a track wheel is arranged at the bottom end of the frame 1, a detection bracket 7 is arranged at the upper end of the frame 1, the laser scanning sensor 2, the contact network wire hard point sensor 3, and the pantograph spring 4 are all arranged on the upper end surface of the detection bracket 7, the upper end of the pantograph spring 4 is connected to the pantograph 5, the upper end of the pantograph 5 is connected to the pantograph carbon plate 6, and the pantograph carbon plate 6 starts to move under the action of the pantograph spring 4. Always maintain contact with the contact line; the laser scanning sensor 2 is used to perform laser scanning on the contact line for the conduction height and pull-out values ​​at each positioning point; the contact line wire hard point sensor 3 is electrically connected to the pantograph carbon plate 6, and the contact line wire hard point sensor 3 is used to detect the impact force exerted on the pantograph carbon plate 6; the laser scanning sensor 2 and the contact line wire hard point sensor 3 are both connected to the terminal 8, and the terminal 8 is used to process the data detected by the laser scanning sensor 2 and the contact line wire hard point sensor 3 to obtain the real-time detection values ​​of the conduction height and pull-out values ​​and the position of the hard bend hard point of the contact line.

[0021] In this embodiment, the terminal 8 is a laptop computer, which is arranged on the auxiliary bracket 9 at the bottom of the frame 1. A lithium battery 10 is arranged at the auxiliary bracket 9. The laser scanning sensor 2, the contact wire hard point sensor 3 and the terminal 8 are respectively connected to the lithium battery 10 through the first transmission line 2.1, the second transmission line 3.1 and the USB line 8.1 to provide reliable power so that the instrument can be powered on and operate normally. The laser scanning sensor 2 is connected to the terminal 8 through the first Ethernet 2.2, and the contact wire hard point sensor 3 is connected to the terminal 8 through the second Ethernet 3.2. The installation height of the laser scanning sensor 2 is lower than or equal to the height of the pantograph carbon plate 6. The number of pantograph springs 4 is two, which are symmetrically arranged on both sides of the center point of the pantograph 5.

[0022] This device utilizes the uniform speed travel of the trolley, and the pantograph carbon plate contacts the contact line. When the conductor height changes, the pantograph spring device freely and reliably expands and contracts according to the height change, so that the pantograph carbon plate can reliably contact the contact line. The laser scanning sensor and the contact line wire hard point sensor transmit the test data to the terminal. The hand-push contact line simulation pantograph detection vehicle can facilitate the detection of contact line geometric parameters. Compared with the existing commonly used non-contact detection equipment DJJ-8 laser multi-function contact line detector, the detection system of the hand-push contact line simulation pantograph detection vehicle can realize continuous (uninterrupted) measurement of contact line parameters, whether there are hard points on the contact line, thereby detecting the wire installation status, etc., and the diversification of terminals can increase the application scope of the detection vehicle.

[0023] When the trolley is conducting inspection, when passing each positioning point, the laser scanning sensor performs laser scanning of the contact network line's height and pull-out values. The scanning situation is transmitted to the terminal via Ethernet. The terminal is equipped with inspection system software, which analyzes the measured height and pull-out value data and draws the graph. When drawing the graph, the average value is used to further reduce the error. Finally, the height, pull-out value and speed are drawn based on the kilometer mark, and the measured data are displayed in real time.

[0024] The terminal and the contact network wire hard point sensor are connected to the Ethernet. When the trolley moves forward, the pantograph carbon plate expands and contracts and contacts the contact line under the action of the pantograph spring device. During driving, the force impact of the pantograph carbon plate is transmitted to the contact network wire hard point sensor through the contact network wire hard point sensor transmission line. The contact network wire hard point sensor is transmitted to the terminal through Ethernet. The terminal system software detects the hard bend hard point position of the contact line based on the measured force impact.

[0025] This device can realize the non-contact and contact collection of relevant geometric parameters, sampling point positioning and data processing to obtain various geometric parameters of the contact network. After testing, the vehicle can effectively improve the detection accuracy of the contact network geometric parameters, and the measurement accuracy reaches ±5mm. The hand-push mechanical method is adopted and the simulated pantograph is installed. In combination with the contact network wire hard point sensor, the contact network hard point detection is realized, and the uninterrupted continuous measurement of the contact network parameters is realized, which can effectively reduce the labor intensity of the staff and improve the measurement accuracy and work efficiency.

[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. A hand-pushed contact network simulated pantograph detection vehicle, characterized in that: It comprises a vehicle frame (1), a laser scanning sensor (2), a contact wire hard point sensor (3), a pantograph spring (4), a pantograph (5) and a pantograph carbon plate (6); A rail wheel is arranged at the bottom end of the vehicle frame (1), a detection bracket (7) is arranged at the upper end of the vehicle frame (1), a laser scanning sensor (2), a contact wire hard point sensor (3), and a pantograph spring (4) are all arranged on the upper end surface of the detection bracket (7), the upper end of the pantograph spring (4) is connected to the pantograph (5), the upper end of the pantograph (5) is connected to the pantograph carbon plate (6), and the pantograph carbon plate (6) always keeps in contact with the contact line under the action of the pantograph spring (4); The laser scanning sensor (2) is used to perform laser scanning of the height and pull-out values ​​of the contact network wire at each positioning point; the contact network wire hard point sensor (3) is electrically connected to the pantograph carbon plate (6) for detection, and the contact network wire hard point sensor (3) is used to detect the impact force exerted on the pantograph carbon plate (6); the laser scanning sensor (2) and the contact network wire hard point sensor (3) are both connected to a terminal (8), and the terminal (8) is used to process the data detected by the laser scanning sensor (2) and the contact network wire hard point sensor (3) to obtain real-time detection values ​​of the height and pull-out values ​​and the contact line hard bend hard point position.

2. A hand-pushed contact network simulated pantograph detection vehicle according to claim 1, characterized in that: The terminal (8) is arranged on an auxiliary bracket (9) at the bottom of the vehicle frame (1); a lithium battery (10) is arranged at the auxiliary bracket (9); and the laser scanning sensor (2), the contact wire hard point sensor (3) and the terminal (8) are respectively connected to the lithium battery (10) via a first transmission line (2.1), a second transmission line (3.1) and a USB line (8.1).

3. A hand-pushed contact network simulated pantograph detection vehicle according to claim 2, characterized in that: The laser scanning sensor (2) is connected to the terminal (8) via a first Ethernet (2.2), and the contact network conductor hard point sensor (3) is connected to the terminal (8) via a second Ethernet (3.2).

4. A hand-pushed contact network simulated pantograph detection vehicle according to claim 2, characterized in that: The installation height of the laser scanning sensor (2) is lower than or equal to the height of the pantograph carbon plate (6).

5. The hand-pushed contact network simulated pantograph detection vehicle according to claim 1 is characterized in that: The number of the pantograph springs (4) is two, and they are symmetrically arranged on both sides of the center point of the pantograph (5).

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