CN220625718U - Pantograph static test device - Google Patents

Abstract

The utility model relates to the technical field of power, in particular to a static test device for a pantograph. The pantograph static test device comprises a locomotive roof, wherein a supporting insulator is arranged on the locomotive roof, and a mounting frame is arranged on the supporting insulator; an arm rod is arranged on the mounting frame, and the top of the arm rod is matched with a pantograph with a lifting force mechanism; install miniature motor assembly on the mounting bracket, this miniature motor assembly passes through pulley assembly and is connected with the pantograph. According to the static test device for the pantograph, disclosed by the utility model, the pantograph is pulled by the miniature motor assembly through the pulley assembly by matching of the locomotive roof, the supporting insulator, the mounting frame, the arm rod, the pantograph, the miniature motor assembly, the pulley assembly and the like, so that a lot of power is saved, the equipment can be miniaturized and lighter and is mounted on the mounting frame, the loading and unloading are very convenient, the vertical pulling force can be ensured, the carrying is convenient, and the measured data result is more accurate.

Description

Pantograph static test device

Technical Field

The utility model relates to the technical field of power, in particular to a static test device for a pantograph.

Background

The pantograph is an electric device for an electric traction locomotive to obtain electric energy from a contact net, and is installed on the top of the locomotive or a motor car. The pantograph can be divided into a single-arm pantograph and a double-arm pantograph, and comprises a sliding plate, an upper frame, a lower arm rod (a lower frame for the double-arm pantograph), a bottom frame, a pantograph lifting spring, a transmission cylinder, a supporting insulator and the like.

In order to ensure the operation safety of equipment, a static test is generally required, the prior art in the industry adopts a balancing weight to press a motor (about 15 kg in weight) or a manufacturing tool to fix the motor on the plane of a pantograph base, the motor is connected with a steel wire, the steel wire is connected with a pantograph, and after the pantograph is lifted to the maximum working height, the uniform lifting of the pantograph is controlled by the motor to realize the process of simulating the complete lifting of the pantograph, so that the measuring process of the static contact force of the static test of the pantograph is completed.

The drawbacks of this solution are the following: 1. the weight of the equipment is large: the motor arranged on the plane of the pantograph base has excessive weight, the dead weight of the motor is 15 kg, the weight of the balancing weight is 20 kg, and the whole weight is too high, so that the test is inconvenient to develop; 2. because the equipment is heavy, great potential safety hazards exist in the processes of logistics, carrying and test (climbing operation is needed); 3. the test result has defects in a motor fixing mode, so that abnormal jitter is easy to occur in the test, and the accuracy of the test result is affected; 4. the space of the base position of the part of pantograph is small, a large motor cannot be put down, and the part of the pantograph can not be put out of the base position, so that the lifting of the pantograph cannot be controlled in the completely vertical direction, the test result is affected, and the motor with a proper size needs to be temporarily purchased.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a static test device for a pantograph.

The technical scheme adopted by the utility model is as follows: the pantograph static test device comprises a locomotive roof, wherein a supporting insulator is arranged on the locomotive roof, and a mounting frame is arranged on the supporting insulator; an arm rod is arranged on the mounting frame, and the top of the arm rod is matched with a pantograph with a lifting force mechanism; install miniature motor assembly on the mounting bracket, this miniature motor assembly passes through pulley assembly and is connected with the pantograph.

In order to better realize the utility model, the movable pulley is matched with the pantograph, the tension line fixer is arranged on the mounting frame, the tension line fixer is connected with the tension line, and the tension line is connected with the miniature motor assembly after being matched with the movable pulley.

In order to better realize the utility model, a tension sensor is matched between the movable pulley and the pantograph.

In order to better realize the utility model, the mounting frame is also provided with a fixed pulley which is positioned between the miniature motor component and the tension line fixer and is close to the tension line fixer, and the tension line is connected with the miniature motor component after passing through the fixed pulley.

In order to better realize the utility model, the miniature motor assembly comprises a miniature motor, a tension wire coil is matched on a rotating shaft of the miniature motor, and the tension wire is connected and wound on the tension wire coil.

To better implement the utility model, the portion of the tension line between the tension line holder and the movable sheave and the portion between the fixed sheave and the movable sheave are vertical.

To better implement the utility model, the tension lines are fishing lines.

The beneficial effects of the utility model are as follows: according to the static test device for the pantograph, disclosed by the utility model, the pantograph is pulled by the miniature motor assembly through the pulley assembly by matching of the locomotive roof, the supporting insulator, the mounting frame, the arm rod, the pantograph, the miniature motor assembly, the pulley assembly and the like, so that a lot of power is saved, the equipment can be miniaturized and lighter and is mounted on the mounting frame, the loading and unloading are very convenient, the vertical pulling force can be ensured, the carrying is convenient, and the measured data result is more accurate.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic view of a static test apparatus for a pantograph of the present utility model;

in the drawing, a locomotive roof, a 2-supporting insulator, a 3-mounting frame, a 4-arm rod, a 5-pantograph, a 6-micro motor assembly, a 7-fixed pulley, an 8-tension wire, a 9-movable pulley, a 10-tension sensor and an 11-tension wire fixer are arranged on the locomotive roof.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

Examples:

as shown in fig. 1, the static test device for the pantograph comprises a locomotive roof 1, wherein a supporting insulator 2 is arranged on the locomotive roof 1, and a mounting frame 3 is arranged on the supporting insulator 2; an arm rod 4 is arranged on the mounting frame 3, and a pantograph 5 with a lifting mechanism is matched with the top of the arm rod 4; a miniature motor assembly 6 is arranged on the mounting frame 3, and the miniature motor assembly 6 is connected with the pantograph 5 through a pulley assembly. According to the static test device for the pantograph, disclosed by the utility model, the pantograph is pulled by the miniature motor assembly 6 through the pulley assembly through the cooperation of the locomotive roof 1, the supporting insulator 2, the mounting frame 3, the arm rod 4, the pantograph 5, the miniature motor assembly 6, the pulley assembly and the like, so that a lot of power is saved, equipment can be miniaturized and lighter, the equipment is mounted on the mounting frame 3, the loading and the unloading are very convenient, the vertical pulling force can be ensured, the carrying is convenient, and the measured data result is more accurate.

In general, a pantograph static test device according to the present utility model includes: 1. the equipment is light (the whole set of equipment can be designed to weigh about 3 kg); 2. potential safety hazard elimination caused by overweight equipment during logistics, carrying and testing; 3. the test result is more accurate and is closer to the theoretical result; 4. the installation limitation is greatly improved, and most of pantographs 5 can be provided with the equipment; 5. the micro motor can be easily mounted on the mounting frame of the pantograph 5. The device has the advantages of light weight, low cost, safety and easy operation, and can be adapted to most pantographs 5.

Preferably, the movable pulley 9 is matched with the pantograph 5, the tension line fixer 11 is arranged on the mounting frame 3, the tension line 8 is connected with the tension line fixer 11, and the tension line 8 is matched with the movable pulley 9 and then is connected with the micro motor assembly 6. The pulling force can be obviously halved through the use of the movable pulley 9, so that the purpose that the small-torque miniature motor can replace a large motor for test is achieved.

Preferably, the movable pulley 9 is matched with the tension sensor 10 between the pantograph 5, so that tension data can be timely and conveniently obtained.

Preferably, a fixed pulley 7 is further arranged on the mounting frame 3 and is positioned between the micro motor assembly 6 and the tension line fixer 11 and is close to the tension line fixer, and the tension line 8 is connected with the micro motor assembly 6 after passing through the fixed pulley 7. The fixed pulley 7 can conveniently change the direction of the tension line 8 to be matched with the micro motor assembly 6. Further preferably, the part of the tension line 8 between the tension line fixer 11 and the movable pulley 9 and the part between the fixed pulley 7 and the movable pulley 9 are vertical, so that the vertical stress of the tension line 8 can be ensured, and the test precision can be improved.

Preferably, the micro motor assembly 6 comprises a micro motor, a tension wire coil is matched on a rotating shaft of the micro motor, and the tension wire 8 is connected with and wound on the tension wire coil, so that the wire can be conveniently wound and unwound.

Preferably, the tension line 8 is a fishing line. Other inelastic thin wires (PE wires or other nylon wires) can be adopted, and the tensile force can be obviously halved or even smaller, so that the purpose that a small-torque miniature motor can replace a large motor to perform a test is achieved, and the scheme method is also suitable for practical application if a pantograph with larger lifting force is designed in the future.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims (7)

1. Pantograph static test device, its characterized in that: the locomotive roof comprises a locomotive roof (1), wherein a supporting insulator (2) is arranged on the locomotive roof (1), and a mounting frame (3) is arranged on the supporting insulator (2); an arm rod (4) is arranged on the mounting frame (3), and a pantograph (5) with a lifting force mechanism is matched with the top of the arm rod (4); the miniature motor assembly (6) is arranged on the mounting frame (3), and the miniature motor assembly (6) is connected with the pantograph (5) through the pulley assembly.

2. The pantograph static test device of claim 1, wherein: the pantograph (5) is matched with a movable pulley (9), the mounting frame (3) is provided with a tension line fixer (11), the tension line fixer (11) is connected with a tension line (8), and the tension line (8) is matched with the movable pulley (9) and then connected with the miniature motor assembly (6).

3. The pantograph static test device of claim 2, wherein: the movable pulley (9) is matched with a tension sensor (10) between the pantograph (5).

4. A pantograph static test apparatus according to claim 3, wherein: the mounting frame (3) is also provided with a fixed pulley (7) which is positioned between the miniature motor assembly (6) and the tension line fixer (11) and is close to the tension line fixer, and the tension line (8) is connected with the miniature motor assembly (6) after passing through the fixed pulley (7).

5. The pantograph static test device of claim 4, wherein: the miniature motor assembly (6) comprises a miniature motor, a tension wire coil is matched on a rotating shaft of the miniature motor, and the tension wire (8) is connected and wound on the tension wire coil.

6. The pantograph static test device of claim 5, wherein: the tension line (8) is vertical to the part between the tension line fixer (11) and the movable pulley (9) and the part between the fixed pulley (7) and the movable pulley (9).

7. The pantograph static test device of claim 6, wherein: the tension line (8) adopts a fishing line.