CN108918972B - Carbon slide resistance detection device - Google Patents
Carbon slide resistance detection device Download PDFInfo
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- CN108918972B CN108918972B CN201810556232.3A CN201810556232A CN108918972B CN 108918972 B CN108918972 B CN 108918972B CN 201810556232 A CN201810556232 A CN 201810556232A CN 108918972 B CN108918972 B CN 108918972B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 173
- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 238000012360 testing method Methods 0.000 claims description 29
- 238000005096 rolling process Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention provides a carbon slide plate resistance detection device, which belongs to the technical field of carbon slide plate resistance detection, and comprises: the carbon slide plate is in surface contact with the power supply structures when the power supply structures compress the carbon slide plate; according to the carbon slide plate resistance detection device, when the power supply structure presses the carbon slide plate, the carbon slide plate is in surface contact with the power supply structure, so that a larger contact area is formed between the power supply structure and the carbon slide plate, voltage fluctuation generated in the voltage duration period is reduced, and the accuracy of resistance detection of the carbon slide plate is improved.
Description
Technical Field
The invention relates to the technical field of carbon slide plate resistance detection, in particular to a carbon slide plate resistance detection device.
Background
The carbon slide plate is an important part of an electric locomotive, an electric car group, a light rail and a subway and is used for being installed on a pantograph to be in direct contact with a contact net wire, the carbon slide plate is used for conducting current to the pantograph to provide power for the locomotive after obtaining current from the contact net wire, and the resistance of the carbon slide plate is related to the conductivity of the carbon slide plate, so that the resistance of the carbon slide plate is an important parameter in performance detection of the carbon slide plate.
The TJ/CL328-2013 standard clearly specifies that the adhesion resistance between the carbon strip and the bracket is measured by a direct current voltage method, the measured current is input from the bracket, and is output from the carbon strip on the same vertical plane to form a loop, the voltage test points are positioned on the same vertical plane, one end of the bracket is the carbon strip, the other end of the bracket is the carbon strip, the distance from the adhesion surface is 5mm, the voltage test points arranged on the bracket are the first detection points, and the voltage test points arranged on the carbon strip are the second detection points.
Chinese patent document CN205809172U discloses a carbon slide resistance measurement frock, including insulating bottom plate, first electrically conductive anchor clamps and second electrically conductive anchor clamps are used for carrying out the centre gripping to the carbon slide, and during operation, the positive pole of power is connected to first electrically conductive anchor clamps, and the negative pole of power is connected to second electrically conductive anchor clamps, and the positive pole of power, carbon slide and the negative pole of power constitute the electric current loop after the circular telegram, then put two electrography of ammeter at the first check point of carbon slide and second check point and carry out the resistance detection of carbon slide bonding resistance.
However, when the measurement is performed by adopting the scheme, voltage fluctuation is easy to occur during the voltage duration, and the accuracy of the carbon slide plate resistance detection is affected.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that inaccurate detection is caused by voltage fluctuation when the carbon slide plate resistance measuring tool in the prior art supplies power to the carbon slide plate, so that the carbon slide plate resistance detection device capable of reducing the voltage fluctuation is provided.
In order to solve the above technical problems, the present invention provides a carbon slide resistance detection device, including:
A support base;
The two groups of power supply structures are arranged on the support base and are respectively contacted with the brackets of the carbon slide plates and the carbon strips, a test area for accommodating the carbon slide plates is formed between the two groups of power supply structures, the power supply structures can compress the carbon slide plates positioned in the test area under the action of external force to electrify the carbon slide plates, and when the power supply structures compress the carbon slide plates, the carbon slide plates are in surface contact with the power supply structures;
at least one pedestal disposed below the test area;
The bonding resistance test piece is arranged on the base, a first contact corresponding to a first detection point of the carbon slide plate and a second contact corresponding to a second detection point of the carbon slide plate are arranged on the bonding resistance test piece, and the bonding resistance test piece is used for obtaining the resistance value of the bonding resistance of the carbon slide plate.
Preferably, the power supply structure includes:
The contact plate made of conductive materials is of a hollow cylinder structure, the outer side surface of the contact plate is used for being contacted with the carbon sliding plate, and the contact area between the contact plate and the carbon sliding plate is gradually increased when the contact plate is elastically deformed;
And
The clamping jaw is connected with the touch plate, a power supply is connected to the clamping jaw, current flows in through the clamping jaw of one power supply structure, and flows out of the clamping jaw of the other power supply structure after flowing through the carbon slide plate.
Preferably, the method further comprises the steps of,
The integral resistance detection device is arranged on the two power supply structures, and is provided with a third contact in contact with the bracket of the carbon slide plate and a fourth contact in contact with the carbon strip of the carbon slide plate.
Preferably, the third contact and the fourth contact are arranged inside the hollow cylinder structure of the touch plate, and extend out of the touch plate to be in contact with the carbon slide plate along with deformation of the touch plate.
Preferably, the first contact, the second contact, the third contact and the fourth contact are in elastic contact with the carbon slide plate, and can be elastically contracted under the pressure of the carbon slide plate when in contact with the carbon slide plate.
As a preferable scheme, the tail parts of the first contact, the second contact, the third contact and the fourth contact are connected with a telescopic rod and a spring, and the telescopic rod is kept in an extending state under the action of the elastic force of the spring.
Preferably, the plurality of the bases are arranged side by side, and the bases can be respectively moved to the lower part of the test area under the action of external force.
Preferably, the device further comprises sliding rails oppositely arranged at two sides of the movement path of the base, and the base slides along the sliding rails.
Preferably, the device further comprises a distance adjusting mechanism acting on any one of the two power supply structures, and the distance between the two groups of power supply structures is adjusted through the distance adjusting mechanism.
Preferably, the distance adjusting mechanism is a hydraulic rod.
Preferably, a rolling support structure is also provided, including,
The rolling column is arranged in the direction perpendicular to the connection of the two groups of power supply structures and is used for supporting the carbon slide plate;
the support base is supported on the support base and provided with a rotating shaft penetrating through the center line of the rolling column, and the rolling column can rotate around the rotating shaft.
The technical scheme of the invention has the following advantages:
1. The carbon slide plate resistance detection device provided by the invention is provided with two groups of power supply structures, wherein one group of power supply structures is arranged on the support base, one group of power supply structures is in contact with a bracket of a carbon slide plate, the other group of power supply structures is in contact with a carbon strip of the carbon slide plate, a test area for accommodating the carbon slide plate is formed between the two groups of power supply structures, and the power supply structures can press the carbon slide plate positioned in the test area under the action of external force to electrify the carbon slide plate.
When voltage is provided for the detection block in the prior art, the voltage input is unstable, the transmission fluctuation value is large, and through analysis, the phenomenon is detected mainly because point contact is adopted between the detection block and the carbon sliding plate. Therefore, when the power supply structure compresses the carbon slide plate, the carbon slide plate is in surface contact with the power supply structure, so that a larger contact area is formed between the power supply structure and the carbon slide plate, voltage fluctuation generated in the voltage duration period is reduced, and the accuracy of resistance detection of the carbon slide plate is improved.
2. According to the carbon slide plate resistance detection device, the power supply structure comprises the touch plate with the hollow cylinder structure made of the conductive material, the outer side face of the touch plate is elastically deformed after being contacted with the carbon slide plate, the contact area between the touch plate and the carbon slide plate is gradually increased when the touch plate is elastically deformed, so that flexible contact is formed between the touch plate and the carbon slide plate, the touch plate is attached to the surface of the carbon slide plate to the greatest extent, the stability of voltage transmission is further improved, and the voltage fluctuation value in the voltage duration period is reduced.
3. The carbon slide plate resistance detection device provided by the invention further comprises the integral resistance detection device which is arranged on the two power supply structures, and can detect the bonding resistance and the integral resistance of the carbon slide plate simultaneously in the voltage duration period, so that the uniformity of voltage values adopted for detecting the bonding resistance and the integral resistance of the carbon slide plate is ensured, the influence of voltage fluctuation during separate detection on a measurement result is avoided, and the accuracy of the measurement result is improved.
4. According to the carbon slide plate resistance detection device provided by the invention, the third contact and the fourth contact of the whole resistance detection device are arranged in the hollow cylinder structure of the touch plate, and extend out of the touch plate to contact with the carbon slide plate along with deformation of the touch plate, and detection points of the third contact and the fourth contact on the carbon slide plate are positioned in the central area of the touch plate for inputting voltage to the carbon slide plate, so that accuracy of detecting the whole resistance of the carbon slide plate is improved.
5. According to the carbon slide plate resistance detection device, the first contact, the second contact, the third contact and the fourth contact are in elastic contact with the carbon slide plate, and when the first contact, the second contact, the third contact and the fourth contact are in contact with the carbon slide plate, the elastic shrinkage can be carried out under the pressure of the carbon slide plate, and the contact is ensured to be in full contact with the carbon slide plate.
6. According to the carbon slide plate resistance detection device provided by the invention, the telescopic rod and the spring are connected to the tail parts of the first contact, the second contact, the third contact and the fourth contact, the telescopic rod is kept in an extending state under the action of the elasticity of the spring, and after the carbon slide plate is contacted with the contacts, the pressure formed by the contacts enables the telescopic rod to compress the spring to elastically contract, so that the contact is ensured to be fully contacted with the carbon slide plate.
7. The carbon slide plate resistance detection device provided by the invention is provided with the plurality of bases which are arranged side by side, and can be respectively moved to the lower part of the test area under the action of external force, when the carbon slide plates with other specifications are tested, the corresponding bases are pushed to the lower parts of the corresponding carbon slide plates, so that the detection of the carbon slide plates with different specifications can be realized by quickly switching, and the detection efficiency and the application range of the device are improved.
8. The carbon slide plate resistance detection device provided by the invention is provided with the slide rails which are oppositely arranged at the two sides of the movement path of the base, so that the base slides along the slide rails, and the efficiency of fixing the base at a set position when the base is switched is improved.
9. The carbon slide plate resistance detection device provided by the invention is provided with the distance adjusting mechanism which acts on any one of the two power supply structures, and the distance between the two groups of power supply structures can be adjusted through the distance adjusting mechanism, so that the power supply structures can supply power to the carbon slide plates with different specifications.
10. The carbon slide plate resistance detection device provided by the invention is provided with the rolling support structure, when the middle part of the carbon slide plate is detected in the detection area, the two ends of the carbon slide plate can be supported on the rolling columns of the rolling support structure, when the detection position of the carbon slide plate is adjusted, the carbon slide plate can be quickly moved, meanwhile, the rolling columns can rotate around the rotating shaft, and when the carbon slide plate is moved, the rolling columns are not easy to abrade the carbon slide plate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic perspective view of a base.
Fig. 4 is a schematic perspective view of a power supply structure.
Fig. 5 is a schematic perspective view of a resistance test piece.
Reference numerals illustrate:
1. a support base; 2. a bracket; 3. a carbon strip; 4. a base; 5. a first contact; 6. a second contact; 7. a touch panel; 8. a clamping jaw; 9. a third contact; 10. a fourth contact; 11. a telescopic rod; 12. a spring; 13. a slide rail; 14. a hydraulic rod; 15. a rolling column; 16. and a supporting seat.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
The embodiment provides a carbon slide resistance detection device, as shown in fig. 1, including: the device comprises a support base 1, two groups of power supply structures and two bases 4, wherein the power supply structures are arranged on the support base 1, one group of power supply structures are in contact with a bracket 2 of a carbon slide plate, the other group of power supply structures are in contact with a carbon strip 3 of the carbon slide plate, and a test area for accommodating the carbon slide plate is formed between the two groups of power supply structures; one of the power supply structures is connected with a distance adjusting mechanism composed of a hydraulic rod 14, and the distance between the two groups of power supply structures can be adjusted through the hydraulic rod 14.
The power supply structure comprises a touch plate 7 and clamping jaws 8, wherein the touch plate 7 is of a hollow cylinder structure made of conductive materials, and the outer side surface of the touch plate 7 is used for being in contact with the carbon sliding plate; when the power supply structure presses the carbon slide plate positioned in the test area under the action of external force, the touch plate 7 is contacted with the carbon slide plate and generates elastic deformation, and the contact area between the touch plate 7 and the carbon slide plate is gradually increased when the touch plate 7 is elastically deformed, so that flexible surface contact is formed between the touch plate 7 and the carbon slide plate; the clamping jaw 8 is connected with the touch plate 7, a power supply is connected to the clamping jaw 8, and when power is supplied, current flows in through the clamping jaw 8 of one power supply structure and flows out of the clamping jaw 8 of the other power supply structure after flowing through the carbon slide plate.
The support base 1 is provided with a rolling support structure, the rolling support structure comprises rolling columns 15 and support bases 16, the rolling columns 15 are arranged in the direction perpendicular to the connection of the two groups of power supply structures, the rolling columns 15 are used for supporting a carbon sliding plate, the support bases 16 are supported on the support base 1, the support bases 16 are provided with rotating shafts penetrating through the center lines of the rolling columns 15, and the rolling columns 15 can rotate around the rotating shafts.
As shown in fig. 2 and 4, the power supply structure is provided with an integral resistance detection device, the integral resistance detection device comprises a third contact 9 and a fourth contact 10, the third contact 9 is arranged on one power supply structure and is used for contacting with the bracket 2 of the carbon slide plate, the fourth contact 10 is arranged on the other power supply structure and is used for contacting with the carbon strip 3 of the carbon slide plate, and the third contact 9 and the fourth contact 10 are arranged inside the hollow cylinder structure of the touch plate 7, and extend out of the touch plate 7 along with deformation of the touch plate 7 and contact with the carbon slide plate.
As shown in fig. 3, two groups of bases 4 are arranged below the test area side by side, and can respectively move below the test area under the action of external force, and slide rails 13 are arranged at two sides of the moving path of the bases 4, so that the bases 4 slide along the slide rails 13; each base 4 is provided with a bonding resistance test piece, the bonding resistance test piece comprises a first contact 5 and a second contact 6, the first contact 5 corresponds to a first detection point of the carbon slide plate, the second contact 6 corresponds to a second detection point of the carbon slide plate, and the bonding resistance of the carbon slide plate is measured through the first contact 5 and the second contact 6, so that the resistance value of the bonding resistance of the carbon slide plate is obtained.
As shown in fig. 5, the first contact 5, the second contact 6, the third contact 9 and the fourth contact 10 are in elastic contact with the carbon slide plate, the tail parts of the first contact 5, the second contact 6, the third contact 9 and the fourth contact 10 are connected with a telescopic rod 11 and a spring 12, the telescopic rod 11 is kept in an extending state under the elastic force of the spring 12, and when the first contact 5, the second contact 6, the third contact 9 and the fourth contact 10 are in contact with the carbon slide plate, the carbon slide plate can be elastically contracted under the pressure of the carbon slide plate.
Application method
Adjusting the test area, controlling the hydraulic rod 14 to shrink, and increasing the distance between the two groups of power supply structures to form a space enough for accommodating the tested carbon slide plate;
Selecting a base 4, pushing the base 4 suitable for the carbon slide plate to the lower part of the test area through a slide rail 13;
Placing a carbon slide plate, placing a position to be detected of the carbon slide plate on a base 4 of a test area, enabling a carbon strip 3 to be opposite to a fourth contact 10, enabling a bracket 2 to be opposite to a third contact 9, enabling a carbon strip side at the bottom of the carbon slide plate to be in contact with a first contact 5, and enabling a bracket side at the bottom of the carbon slide plate to be in contact with a second contact 6;
clamping the carbon slide plate, controlling the hydraulic rod 14 to extend, reducing the distance between the two groups of power supply structures, and enabling the touch plate 7 to clamp the carbon slide plate; during the process of clamping the carbon slide plate by the touch plate 7, the touch plate 7 generates elastic deformation, and a third contact 9 and a fourth contact 10 positioned in the touch plate 7 extend out of holes on the touch plate 7 to contact with the carbon slide plate;
and the power is supplied to the carbon slide plate through the power supply structure, the bonding resistance of the carbon slide plate is detected through the first contact 5 and the second contact 6, and meanwhile, the overall resistance of the carbon slide plate is detected through the third contact 9 and the fourth contact 10.
As an alternative to the above embodiments, the rolling support structure may be omitted.
As an alternative to the above-described embodiment, the distance adjustment mechanism may employ other conventional structures than a hydraulic lever.
As an alternative to the above-described embodiments, the distance adjustment mechanism may be omitted.
As an alternative to the above embodiments, the slide rail may be omitted.
As an alternative to the above embodiments, there may be only one base.
As an alternative to the above embodiments, the first, second, third and fourth contacts may be connected to other conventional structures than a telescopic rod and a spring, thereby forming an elastic contact with the carbon sled.
As an alternative to the above-described embodiments, the first, second, third and fourth contacts and the carbon sled may take other conventional forms of contact than elastic contact.
As an alternative to the above-described embodiments, the third and fourth contacts may be provided on other structures on the power supply structure than the inside of the touch pad.
As an alternative to the above embodiments, the whole resistance detection means may be omitted.
As an alternative to the above-described embodiments, the power supply structure may employ other conventional structures than those including a touch panel and a jaw.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (8)
1. A carbon sled resistance detection device, comprising:
A support base (1);
Two sets of power supply structure, set up on supporting base (1) and respectively with bracket (2) and carbon strip (3) of carbon slide contact, two sets of form between the power supply structure and be used for holding the test area of carbon slide, power supply structure can compress tightly the inside carbon slide of being located the test area under the exogenic action and make the carbon slide circular telegram, when power supply structure compresses tightly the carbon slide, the carbon slide with be the face contact between the power supply structure, power supply structure includes: the contact plate (7) is made of conductive materials and is of a hollow cylinder structure, the outer side surface of the contact plate (7) is used for being in contact with the carbon sliding plate, and the contact area between the contact plate (7) and the carbon sliding plate is gradually increased when the contact plate is elastically deformed;
At least one pedestal (4) disposed below the test area;
The bonding resistance test piece is arranged on the base (4), and is provided with a first contact (5) corresponding to a first detection point of the carbon slide plate and a second contact (6) corresponding to a second detection point of the carbon slide plate, and the bonding resistance test piece is used for obtaining the resistance value of the bonding resistance of the carbon slide plate;
The integrated resistance detection device is arranged on the two power supply structures, a third contact (9) which is in contact with the bracket (2) of the carbon slide plate and a fourth contact (10) which is in contact with the carbon strip (3) of the carbon slide plate are arranged on the integrated resistance detection device, the third contact (9) and the fourth contact (10) are arranged inside the hollow cylinder structure of the touch plate (7), and the touch plate (7) is stretched out along with deformation of the touch plate (7) to be in contact with the carbon slide plate;
The first contact (5), the second contact (6), the third contact (9) and the fourth contact (10) are in elastic contact with the carbon slide plate, and can be elastically contracted under the pressure of the carbon slide plate when in contact with the carbon slide plate.
2. The carbon sled resistance detection apparatus of claim 1, wherein the power supply structure comprises: the clamping jaw (8) is connected with the touch plate (7), a power supply is connected to the clamping jaw (8), current flows in through the clamping jaw (8) of one power supply structure, and flows out of the clamping jaw (8) of the other power supply structure after flowing through the carbon slide plate.
3. The carbon slide resistance detection device according to claim 1, wherein the tail parts of the first contact (5), the second contact (6), the third contact (9) and the fourth contact (10) are connected with a telescopic rod (11) and a spring (12), and the telescopic rod (11) is kept in an extending state under the elastic force of the spring (12).
4. The carbon slide resistance detection device according to claim 1, wherein the number of the bases (4) is plural, the plural bases (4) are arranged side by side with each other, and the bases (4) can be moved to the lower side of the test area respectively by an external force.
5. The carbon slide resistance detection device according to claim 4, further comprising slide rails (13) disposed opposite to both sides of the movement path of the base (4), the base (4) sliding along the slide rails (13).
6. The carbon sled resistance detection apparatus of claim 1, further comprising a distance adjustment mechanism acting on either of the two power supply structures, the distance between the two sets of power supply structures being adjusted by the distance adjustment mechanism.
7. The carbon slide resistance detection apparatus as recited in claim 6, wherein the distance adjustment mechanism is a hydraulic lever (14).
8. The carbon slide resistance detection apparatus according to any one of claims 1 to 7, further comprising a rolling support structure including,
The rolling columns (15) are arranged in the direction perpendicular to the connection of the two groups of power supply structures and used for supporting the carbon slide plate;
the support base (16) is supported on the support base (1) and provided with a rotating shaft penetrating through the center line of the rolling column (15), and the rolling column (15) can rotate around the rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556232.3A CN108918972B (en) | 2018-05-31 | 2018-05-31 | Carbon slide resistance detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810556232.3A CN108918972B (en) | 2018-05-31 | 2018-05-31 | Carbon slide resistance detection device |
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| CN108918972A CN108918972A (en) | 2018-11-30 |
| CN108918972B true CN108918972B (en) | 2024-04-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111141955B (en) * | 2020-01-14 | 2022-03-18 | 大同新成新材料股份有限公司 | Adjustable intelligent carbon slide plate bonding resistance detection tool and detection method thereof |
| CN111336885B (en) * | 2020-04-17 | 2021-04-23 | 中国人民解放军92578部队 | Intelligent micrometer for manufacturing and measuring ship equipment |
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|---|
| 受电弓与接触网系统电接触特性;吴积钦 等;中国铁道科学;20080515(第03期);全文 * |
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| CN108918972A (en) | 2018-11-30 |
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