CN-122016127-A - Device for measuring contact pressure of rigid contact net

CN122016127ACN 122016127 ACN122016127 ACN 122016127ACN-122016127-A

Abstract

The application provides a device for measuring contact pressure of a rigid contact net. The device comprises a first connecting piece, a second connecting piece, a third connecting piece and a sensor component, wherein a first positioning hole is formed in the first end portion of the first connecting piece and used for being detachably connected with a pantograph head through the first positioning hole, the second end portion of the first connecting piece is used for being connected with the sensor component, the second connecting piece comprises a first connecting platform and a second connecting platform which are connected through a connecting plate, a second positioning hole is formed in the first connecting platform and used for enabling the first connecting platform to be detachably connected with a pantograph support through the second positioning hole, the second connecting platform is used for being connected with the third connecting piece, and the third connecting piece is used for being connected with the sensor component. Therefore, the collection of the contact pressure of the contact net can be realized under the condition that the height of the carbon sliding block is not influenced.

Inventors

Wang yalong
LI LEJUN
WANG JIACHUANG
LI HUINAN
WANG CHENGGUO
BAI YUNPENG
CHENG LEI
WANG PENG
WANG LEI
LIU HUILONG
BO YUNLAN
LIU BIN
NA MINGLIANG
YANG JIMING

Assignees

北京鉴衡认证中心有限公司

Dates

Publication Date: 20260512
Application Date: 20260326

Claims (10)

1. A device for measuring contact pressure of a rigid contact net is characterized by comprising a first connecting piece, a second connecting piece, a third connecting piece and a sensor assembly, wherein, A first positioning hole is formed in the first end portion of the first connecting piece and used for detachably connecting with a pantograph head through the first positioning hole, and the second end portion of the first connecting piece is used for connecting with the sensor assembly; The second connecting piece comprises a first connecting platform and a second connecting platform which are connected through a connecting plate, and a second positioning hole is formed in the first connecting platform and used for enabling the first connecting platform to be detachably connected with the pantograph support through the second positioning hole; the second connecting platform is used for being connected with the third connecting piece, and the third connecting piece is used for being connected with the sensor assembly.
2. The device of claim 1, wherein the number of first connectors is two, and two first connectors are respectively disposed on two sides of the second connector.
3. The device of claim 1 or 2, wherein the first connector is a U-shaped structure, a first end being located on a horizontal structure of the U-shaped structure and a second end being located on a vertical structure of the U-shaped structure.
4. A device according to claim 3, wherein two protrusions are arranged on the first end, the two protrusions are oppositely arranged on two sides of the horizontal structure, a first positioning hole is arranged on the protrusion, and the position of the first positioning hole corresponds to the position of a through hole on the pantograph head.
5. The device of claim 1, wherein the second connecting piece comprises a first connecting platform and two second connecting platforms, wherein the two second connecting platforms are symmetrically arranged on two sides of the first connecting platform respectively through connecting plates, and a plane where the second connecting platform is located below the plane where the first connecting platform is located.
6. The device of claim 1, wherein the second positioning hole provided on the first connection platform corresponds to the position of the through hole on the pantograph support.
7. The device of claim 5, wherein a reinforcing structure is provided at a connection region between the first connection platform and the second connection platform.
8. The apparatus of claim 1, wherein the sensor assembly comprises a force-bearing structure and a sensor, a third end of the force-bearing structure being connected to the second end of the first connector and a fourth end of the force-bearing structure being connected to the sensor, the force-bearing structure being configured to carry and transmit contact pressure of a rigid structural web to the sensor.
9. The device of claim 1, wherein the third connector has one end connected to the sensor assembly and the other end provided with a third positioning hole through which the sensor assembly is fixed to the second connection platform.
10. The device according to claim 9, wherein two groups of sensor assemblies are arranged on each second connection platform, and two groups of sensor assemblies arranged on the same second connection platform are symmetrically distributed on two sides of the second connection platform.

Description

Device for measuring contact pressure of rigid contact net Technical Field The application relates to the technical field of contact pressure detection of contact networks, in particular to a device for measuring contact pressure of a rigid contact network. Background The pantograph is an important part of a rail transit vehicle, all power sources of the electric bus come from a contact net through power transmission of the pantograph, and good pantograph net performance is one of important guarantees for rapidly, safely and efficiently realizing railway operation. The contact pressure between the contact net and the pantograph is an important technical parameter, and the working state between the contact net and the pantograph is directly reflected, so that the contact pressure is a key factor affecting the contact resistance. Along with the construction and development current situation of urban railways, the dynamic contact force between the pantograph and the overhead contact system of the vehicle gradually becomes a key factor for restricting the reliability of the relationship of the pantograph and the overhead contact system, and from the consideration of the reliability of power supply and the service life of pantograph equipment, the dynamic and static pressure of the contact of the pantograph and the overhead contact system is accurately detected through related sensors and measuring tools, so that the method is very significant for evaluating the interaction of the pantograph and the overhead contact system, and the dynamic action relationship of the pantograph and the overhead contact system in the running process of the vehicle can be reflected in real time by adopting pressure data acquired by the pressure sensors. However, at present, the sensors are all installed between the carbon sliding plate and the pantograph head, which may cause the height of the carbon sliding plate to exceed the limit value, and the carbon sliding plate cannot be lifted in a horizontal state, so that the driving safety is not facilitated. Disclosure of Invention The present application has been made in view of the above-mentioned technical problems occurring in the prior art. The application aims to provide a device for measuring the contact pressure of a rigid contact net, which can ensure that a sensor is arranged on the side surface of a pantograph, the original height dimension of a carbon slide plate is not changed, the carbon slide plate is ensured to be lifted horizontally, the potential safety hazard of driving is eliminated, and the contact pressure of the contact net is accurately measured. According to a first aspect of the present application, there is provided an apparatus for measuring contact pressure of a rigid catenary, the apparatus comprising a first connector, a second connector, a third connector, and a sensor assembly, wherein, A first positioning hole is formed in the first end portion of the first connecting piece and used for detachably connecting with a pantograph head through the first positioning hole, and the second end portion of the first connecting piece is used for connecting with the sensor assembly; The second connecting piece comprises a first connecting platform and a second connecting platform which are connected through a connecting plate, and a second positioning hole is formed in the first connecting platform and used for enabling the first connecting platform to be detachably connected with the pantograph support through the second positioning hole; The second connecting platform is used for being connected with the third connecting piece, and the third connecting piece is used for being connected with the sensor assembly. The first connecting piece, second connecting piece pass through the locating hole and are connected with pantograph, pantograph support, and the third connecting piece links up sensor assembly and second connection platform, and original pantograph spatial structure of overall installation structure adaptation can not change the original high size of carbon slide, avoids carbon slide level to rise abnormally, eliminates driving potential safety hazard. In some embodiments, the number of the first connectors is two, and the two first connectors are respectively disposed on two sides of the second connector, so as to be used for adapting to the pantograph support structure. In some embodiments, the first connector is a U-shaped structure with a first end positioned on a horizontal structure of the U-shaped structure and a second end positioned on a vertical structure of the U-shaped structure. The horizontal structure and the vertical structure of the U-shaped structure form an included angle type installation reference, so that the installation space of the side face of the pantograph head can be accurately met, the occupied lifting area of the carbon sliding plate is avoided, the height of the carbon sliding plate is ensured to be not exceeding the limit