CN211576140U - Pantograph wearing and tearing trend analysis appearance - Google Patents
Pantograph wearing and tearing trend analysis appearance Download PDFInfo
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- CN211576140U CN211576140U CN202020205672.7U CN202020205672U CN211576140U CN 211576140 U CN211576140 U CN 211576140U CN 202020205672 U CN202020205672 U CN 202020205672U CN 211576140 U CN211576140 U CN 211576140U
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- displacement measuring
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Abstract
The utility model relates to a pantograph thickness measurement technical field provides a pantograph wearing and tearing trend analysis appearance, include: the fixing frame is used for being fixed on the pantograph; the moving frame is arranged on the fixed frame in a sliding mode and can move along the length direction of the pantograph; a first displacement measuring element movably disposed on the moving frame; the second displacement measuring element is movably arranged on the moving frame; and an elastic member connected between the first displacement measuring element and the second displacement measuring element; the first displacement measuring element and the second displacement measuring element are arranged oppositely and respectively abutted against two opposite side surfaces of the pantograph; the utility model provides a pantograph wearing and tearing trend analysis appearance has the accurate and no advantage of time delay of measuring result.
Description
Technical Field
The utility model relates to a thickness measurement technical field, more specifically say, relate to a pantograph wearing and tearing trend analysis appearance.
Background
The pantograph used by a train is worn in the process of contacting with a high-voltage line for a long time, and the wear conditions of all parts of the pantograph are inconsistent, so a special thickness measuring instrument is needed to measure the thickness of the pantograph, but most of the existing thickness measuring instruments adopt a laser displacement sensor to measure the thickness of the pantograph, and the requirements on repetition precision and absolute precision cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pantograph wearing and tearing trend analysis appearance to solve the inaccurate technical problem of pantograph thickness measurement that exists among the prior art.
In order to achieve the above object, the utility model provides a technical scheme is a pantograph wearing and tearing trend analysis appearance, include:
the fixing frame is used for being fixed on the pantograph;
a moving frame which is provided on the fixed frame and is movable in a longitudinal direction of the pantograph;
a first displacement measuring element movably disposed on the moving frame;
a second displacement measuring element movably disposed on the moving frame; and
an elastic member connected between the first displacement measuring element and the second displacement measuring element;
the first displacement measuring element and the second displacement measuring element are arranged oppositely and respectively abut against opposite side surfaces of the pantograph to clamp the pantograph.
In one embodiment, an end of the first displacement measuring element opposite to the second displacement measuring element is provided with a first abutment, an end of the second displacement measuring element opposite to the first displacement measuring element is provided with a second abutment, and the first abutment and the second abutment abut on opposite sides of the pantograph, respectively.
In one embodiment, the direction of movement of the first and second abutments is perpendicular to the direction of movement of the moving frame, and the direction of movement of the first and second abutments is parallel to the length direction of the moving frame.
In one embodiment, the direction of the elastic force of the elastic member is parallel to the moving direction of the first and second abutment members.
In one embodiment, the first abutting member is a first roller, the second abutting member is a second roller, the first roller is capable of rolling along the length direction of the pantograph and clings to one side surface of the pantograph, and the second roller is capable of rolling along the length direction of the pantograph and clings to the other side surface of the pantograph.
In one embodiment, the first displacement measuring element is provided with a positioning block, and the moving frame is provided with a positioning column which can be matched with the positioning block to limit the movement of the first displacement measuring element; and/or the second displacement measuring element is provided with a positioning block, the movable frame is provided with a positioning column, and the positioning column can be matched with the positioning block to limit the movement of the second displacement measuring element.
In one embodiment, the moving frame is formed with a sliding channel, the fixed frame is arranged in the sliding channel in a penetrating manner, and a driving wheel matched with the fixed frame is arranged in the sliding channel.
In one embodiment, a first sensor for sensing a measurement origin is disposed on the moving frame.
In one embodiment, a second sensor for sensing an adjacent pantograph is disposed on the moving frame.
In one embodiment, the two ends of the fixed frame are provided with clamping arms, each clamping arm comprises a first claw part and a second claw part elastically connected to the first claw part, an unlocking groove is formed in the body position of the first claw part, and an unlocking deflector rod matched with the unlocking groove is rotatably arranged on the second claw part.
The utility model provides a pantograph wearing and tearing trend analysis appearance's beneficial effect lies in:
the first displacement measuring element and the second displacement measuring element are respectively arranged on the opposite side surfaces of the pantograph, and the pantograph is clamped by the first displacement measuring element and the second displacement measuring element under the action of the elastic force of the elastic piece, so that the first displacement measuring element and the second displacement measuring element can be tightly attached to the pantograph for displacement measurement, and the thickness change of the pantograph, namely the abrasion change of the pantograph, can be obtained by analyzing the difference value of the first displacement measuring element and the second displacement measuring element.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a three-dimensional structure diagram of a pantograph wear trend analyzer according to an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. A;
fig. 3 is a partial exploded view of a pantograph wear trend analyzer according to an embodiment of the present invention;
fig. 4 is a partial exploded view of a pantograph wear trend analyzer according to an embodiment of the present invention;
fig. 5 is an enlarged view of fig. 4 "B".
The figures are numbered:
a fixed frame-1; a clamp arm-11; a first jaw portion-12; a second jaw-13; an unlocking groove-14; unlocking a deflector rod-15;
a moving frame-2; a positioning post-21; a slide channel-22; a drive wheel-23; a first sensor-24; a second sensor-25;
a first displacement measuring element-3; a first abutment member-31; a positioning block-32;
a second displacement measuring element-4; a second abutment-41;
an elastic member-5;
pantograph-6.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention, and are not intended to indicate that a device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as indicating a number of technical features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:
as shown in fig. 1 to fig. 3, an embodiment of the present invention provides a pantograph wear trend analyzer, which is used for measuring a thickness change of a pantograph, so as to obtain a wear trend of the pantograph.
The pantograph wearing tendency analyzer includes: a fixed frame 1, a moving frame 2, a first displacement measuring element 3, a second displacement measuring element 4 and an elastic member 5; the fixed frame 1 is used for being fixed on the pantograph 6 and can be fixed on the pantograph 6 in a clamping or embedding way; the moving frame 2 is arranged on the fixed frame 1 in a sliding manner and can move along the length direction of the pantograph 6; the first displacement measuring element 3 and the second displacement measuring element 4 are both movably arranged on the moving frame 2; the elastic member 5 is connected between the first displacement measuring element 3 and the second displacement measuring element 4; the first displacement measuring element 3 and the second displacement measuring element 4 are disposed to face each other, and abut against opposite side surfaces of the pantograph 6 to hold the pantograph 6.
The measurement principle of the pantograph wearing tendency analyzer provided by the embodiment is as follows:
the first displacement measuring element 3 and the second displacement measuring element 4 can measure the displacement of the fixed frame 1, the fixed frame 1 is fixed on the pantograph 6, one end of the first displacement measuring element 3 used for measuring the pantograph 6 and one end of the second displacement measuring element 4 used for measuring the pantograph 6 are abutted with each other before measurement, and the origin of the pantograph 6 is measured in the longitudinal direction, wherein the longitudinal direction refers to the thickness direction of the pantograph 6; secondly, the first displacement measuring element 3 and the second displacement measuring element 4 are respectively abutted against measuring points of two opposite side surfaces of the pantograph 6, the two side surfaces are positioned in the thickness direction, and the thickness value of the measuring point can be obtained by measuring the displacement value difference of the first displacement measuring element 3 and the second displacement measuring element 4 on the measuring point; finally, the moving frame 2 is moved along the length direction of the pantograph 6, the first displacement measuring element 3 and the second displacement measuring element 4 are driven to move along the length direction of the pantograph 6, the first displacement measuring element 3 and the second displacement measuring element 4 move along with the fluctuation of the surface of the pantograph 6 while the first displacement measuring element 3 and the second displacement measuring element 4 move, and the first displacement measuring element 3 and the second displacement measuring element 4 are always attached to the surface of the pantograph 6 under the action of the elastic element 5, so that the thickness change of the whole pantograph 6 in the length direction of the whole pantograph 6 is obtained, and the wear trend of the pantograph 6 is further obtained.
The beneficial effect of the pantograph wearing tendency analysis appearance that this embodiment provided lies in:
the first displacement measuring element 3 and the second displacement measuring element 4 are respectively arranged on the opposite side surfaces of the pantograph 6, and the first displacement measuring element 3 and the second displacement measuring element 4 clamp the pantograph 6 under the action of the elastic force of the elastic piece 5, so that the first displacement measuring element 3 and the second displacement measuring element 4 can be tightly attached to the pantograph 6 for displacement measurement, and the thickness change of the pantograph 6, namely the abrasion change of the pantograph 6 can be obtained by analyzing the difference value of the first displacement measuring element 3 and the second displacement measuring element 4.
In the prior art, most of the laser sensors are used for receiving laser reflected by the surface of the pantograph 6 so as to measure the thickness of the pantograph 6, the laser irradiation is damaged on the surface of the pantograph 6, meanwhile, the laser emission and reflection have delay, and the above characteristics can cause inaccurate thickness measurement of the pantograph 6 and further cause inaccurate abrasion trend of the whole pantograph 6. Compared with the prior art, the embodiment directly supports against the surface of the pantograph 6 through the first displacement measuring element 3 and the second displacement measuring element 4, can accurately and timely sense the thickness change of the pantograph 6, and avoids the measurement delay and causes inaccurate measuring results.
In one embodiment, an end of the first displacement measuring element 3 opposite to the second displacement measuring element 4 is provided with a first abutment 31, an end of the second displacement measuring element 4 opposite to the first displacement measuring element 3 is provided with a second abutment 41, and the first abutment 31 and the second abutment 41 abut against opposite sides of the pantograph 6 to clamp the pantograph 6, respectively. It will be understood that the first abutment 31 and the second abutment 41 prevent the first displacement measuring element 3 and the second displacement measuring element 4 from directly abutting on the pantograph 6, avoiding multiple measurements directly causing wear of the first displacement measuring element 3 and the second displacement measuring element 4.
In particular, the first and second abutments 31 and 41 may be end semicircular abutment rods, the ends of which are or are coated with a lubricating material, so that the abutment rods can slide smoothly on the pantograph 6.
In one embodiment, the moving direction of the first and second abutments 31 and 41 is perpendicular to the moving direction of the moving frame 2, and the moving direction of the first and second abutments 31 and 41 is parallel to the length direction of the moving frame 2.
Alternatively, the first abutting piece 31 is fixedly arranged with the first displacement measuring element 3, the first abutting piece 31 drives the first displacement measuring element 3 to move, the first displacement measuring element 3 obtains displacement data of the first abutting piece 31 by measuring its own displacement, similarly, the second abutting piece 41 is fixedly arranged with the second displacement measuring element 4, the second abutting piece 41 drives the second displacement measuring element 4 to move, and the second displacement measuring element 4 obtains displacement data of the second abutting piece 41 by measuring its own displacement; in another embodiment, the first abutment 31 is movably arranged on the first displacement measuring element 3, the first displacement measuring element 3 measures the displacement data of the first abutment 31, likewise the second abutment 41 is movably arranged on the second displacement measuring element 4, the second displacement measuring element 4 measures the displacement data of the second abutment 41.
It should be further noted that, whichever way the displacement data of the first abutment 31 and the second abutment 41 is measured, the moving direction of the moving frame 2, i.e. the moving direction of the first abutment 31 and the second abutment 41 is perpendicular to the length direction of the pantograph 6, by setting the moving direction of the first abutment 31 and the second abutment 41 to be perpendicular, because the thickness direction of the pantograph 6 is perpendicular to the length direction, the moving direction of the first abutment 31 and the second abutment 41 is the thickness direction of the pantograph 6, so that the first displacement measuring element 3 and the second displacement measuring element 4 can directly obtain the displacement data of the first abutment 31 and the second abutment 41, and further directly obtain the thickness data of the pantograph 6.
Alternatively, the first contact member 31 is a first roller that can roll along the longitudinal direction of the pantograph 6 against one side surface of the pantograph 6, and the second contact member 41 is a second roller that can roll along the longitudinal direction of the pantograph 6 against the other side surface of the pantograph 6. The first roller and the second roller can move on the pantograph 6 more smoothly, and the thickness measurement result is prevented from being influenced by overlarge friction force on the pantograph 6.
In one embodiment, the direction of the elastic force of the elastic member 5 is parallel to the direction of movement of the first and second abutments 31 and 41. It can be understood that the elastic member 5 guides the first and second abutment members 31 and 41 to clamp the pantograph 6 so that the first and second abutment members 31 and 41 can be closely attached to the surface of the pantograph 6.
In one embodiment, the first displacement measuring element 3 is provided with a positioning block 32, and the moving frame 2 is movably provided with a positioning column 21, wherein the positioning column 21 can cooperate with the positioning block 32 to limit the movement of the first displacement measuring element 3; meanwhile, the second displacement measuring element 4 is provided with a positioning block 32, the moving frame 2 is movably provided with a positioning column 21, and the positioning column 21 can be matched with the positioning block 32 to limit the movement of the second displacement measuring element 4. In another embodiment, the first displacement measuring element 3 is provided with a positioning block 32, the moving frame 2 is movably provided with a positioning column 21, and the positioning column 21 can cooperate with the positioning block 32 to limit the movement of the first displacement measuring element 3; or the second displacement measuring element 4 is provided with a positioning block 32, the moving frame 2 is movably provided with a positioning column 21, and the positioning column 21 can be matched with the positioning block 32 to limit the movement of the second displacement measuring element 4.
Specifically, the positioning column 21 is elastically connected to the moving frame 2, and the positioning column 21 may be disposed through the moving frame 2 under the action of an external force and protrude toward the positioning block 32, and is clamped on the positioning block 32 for limiting the movement of the first displacement measuring element 3; the positioning column 21 can also be separated from the positioning block 32 under the action of external force, so that the positioning block 32 can move freely; the positioning blocks 32 are positioned such that the first and second displacement measuring elements 3 and 4 are spaced apart by a predetermined distance, and preferably, the number of the positioning blocks 32 is at least two, such that the first and second displacement measuring elements 3 and 4 can be spaced apart by at least two different predetermined distances, which facilitates the user to open the first and second displacement measuring elements 3 and 4 and thus set the pantograph 6 between the first and second displacement measuring elements 3 and 4.
In one embodiment, the moving frame 2 is formed with a sliding channel 22, the fixed frame 1 is arranged in the sliding channel 22 in a penetrating way, and a driving wheel 23 matched with the fixed frame 1 is arranged in the sliding channel 22. It can be understood that, by arranging the driving wheel 23, the moving frame 2 can be driven to move along the length direction of the fixed frame 1, and further the first displacement measuring element 3 and the second displacement measuring element 4 can be driven to move along the length direction of the pantograph 6, and when the first displacement measuring element 3 and the second displacement measuring element 4 move, the thickness of the pantograph 6 is sequentially obtained, and then the thickness variation of the pantograph 6 along the length direction can be analyzed.
In one embodiment, a first sensor 24 for sensing the measurement origin is provided on the moving frame 2. Specifically, the first sensor 24 is a non-contact sensor, and the user can obtain the measurement origin of the first displacement measuring element 3 and the second displacement measuring element 4 by selecting a mounting part of the pantograph 6 for mounting on the train as the origin and sensing the mounting part.
In one embodiment, a second sensor 25 for sensing the adjacent pantograph 6 is provided on the moving frame 2. It will be appreciated that by providing the second sensor 25 to detect the presence of an object adjacent the pantograph 6, the operator can be alerted immediately prior to use.
In one embodiment, the two ends of the fixed frame 1 are provided with clamping arms 11, the clamping arms 11 comprise a first claw part 12 and a second claw part 13 elastically connected to the first claw part 12, the body of the first claw part 12 is provided with an unlocking groove 14, and an unlocking lever 15 matched with the unlocking groove 14 is rotatably arranged on the second claw part 13.
Specifically, the second claw portion 13 is elastically connected to the first claw portion 12, the pantograph 6 is clamped between the second claw portion 13 and the first claw portion 12 under the action of no external force, and by arranging the engagement between the unlocking lever 15 and the unlocking groove 14, when the unlocking lever 15 is inserted into the unlocking groove 14, the unlocking lever 15 pushes the first claw portion 12 away from the second claw portion 13, so that the first claw portion 12 and the second claw portion 13 are opened, which is convenient for a user to arrange the pantograph 6 between the first claw portion 12 and the second claw portion 13, and then when the unlocking lever 15 is withdrawn from the unlocking groove 14, the second claw portion 13 and the first claw portion 12 clamp the pantograph 6 together under the action of the elastic force.
In detail, the gripping arms 11 are gripped at both ends of the pantograph 6, and the first displacement measuring element 3 and the second displacement measuring element 4 are moved between the two gripping arms 11.
Further, the first claw portion 12 is provided with a first fixing groove 16, the second claw portion 13 is provided with a second fixing groove 17, the first fixing groove 16 and the second fixing groove 17 are arranged to face each other, and when the pantograph 6 is held between the first claw portion 12 and the second claw portion 13, both side ends of the pantograph 6 are fitted into the first fixing groove 16 and the second fixing groove 17, and the pantograph 6 is prevented from coming off the first claw portion 12 and the second claw portion 13 during measurement.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A pantograph wear trend analyzer, characterized by comprising:
the fixing frame is used for being fixed on the pantograph;
a moving frame which is provided on the fixed frame and is movable in a longitudinal direction of the pantograph;
a first displacement measuring element movably disposed on the moving frame;
a second displacement measuring element movably disposed on the moving frame; and
an elastic member connected between the first displacement measuring element and the second displacement measuring element;
the first displacement measuring element and the second displacement measuring element are arranged oppositely and respectively abut against opposite side surfaces of the pantograph to clamp the pantograph.
2. The pantograph wear trend analyzer of claim 1, wherein an end of the first displacement measuring cell opposite the second displacement measuring cell is provided with a first abutment, an end of the second displacement measuring cell opposite the first displacement measuring cell is provided with a second abutment, and the first abutment and the second abutment abut on opposite sides of the pantograph, respectively.
3. The pantograph wear trend analyzer of claim 2, wherein the direction of movement of the first and second abutments is perpendicular to the direction of movement of the moving frame, and the direction of movement of the first and second abutments is parallel to the length direction of the moving frame.
4. The pantograph wear trend analyzer of claim 3, wherein a direction of the resilient force of the resilient member is parallel to a direction of movement of the first abutment member and the second abutment member.
5. The pantograph wear trend analyzer of claim 4, wherein the first abutting member is a first roller, the second abutting member is a second roller, the first roller is capable of rolling along a longitudinal direction of the pantograph and is attached to one side surface of the pantograph, and the second roller is capable of rolling along the longitudinal direction of the pantograph and is attached to the other side surface of the pantograph.
6. The pantograph wear trend analyzer of any of claims 1-5, wherein the first displacement measuring member is provided with a positioning block, and the moving frame is provided with a positioning post, the positioning post being engageable with the positioning block to limit movement of the first displacement measuring member; and/or the second displacement measuring element is provided with a positioning block, the movable frame is provided with a positioning column, and the positioning column can be matched with the positioning block to limit the movement of the second displacement measuring element.
7. The pantograph wear trend analyzer of any one of claims 1-5, wherein the moving frame is formed with a sliding channel, the fixed frame is inserted into the sliding channel, and a driving wheel cooperating with the fixed frame is disposed in the sliding channel.
8. The pantograph wear trend analyzer of any of claims 1-5, wherein the moving frame is provided with a first sensor for sensing a measurement origin.
9. Pantograph wear trend analyser according to any one of claims 1-5, wherein a second sensor for sensing an adjacent pantograph is provided on the moving frame.
10. The pantograph wear tendency analyzer of any one of claims 1 to 5, wherein clamping arms are provided at both ends of the fixed frame, the clamping arms include a first claw portion and a second claw portion elastically connected to the first claw portion, an unlocking groove is provided at a body position of the first claw portion, and an unlocking lever engaged with the unlocking groove is rotatably provided on the second claw portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205672.7U CN211576140U (en) | 2020-02-24 | 2020-02-24 | Pantograph wearing and tearing trend analysis appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020205672.7U CN211576140U (en) | 2020-02-24 | 2020-02-24 | Pantograph wearing and tearing trend analysis appearance |
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| Publication Number | Publication Date |
|---|---|
| CN211576140U true CN211576140U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020205672.7U Active CN211576140U (en) | 2020-02-24 | 2020-02-24 | Pantograph wearing and tearing trend analysis appearance |
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| CN (1) | CN211576140U (en) |
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- 2020-02-24 CN CN202020205672.7U patent/CN211576140U/en active Active
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