CN108759654B - Transducer for measuring low-recess gap on surface of single-probe pantograph carbon slide plate - Google Patents
Transducer for measuring low-recess gap on surface of single-probe pantograph carbon slide plate Download PDFInfo
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- CN108759654B CN108759654B CN201810674483.1A CN201810674483A CN108759654B CN 108759654 B CN108759654 B CN 108759654B CN 201810674483 A CN201810674483 A CN 201810674483A CN 108759654 B CN108759654 B CN 108759654B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
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Abstract
The invention discloses a transducer for measuring a low concave gap on the surface of a single-probe pantograph carbon slide plate, which comprises a transducer frame consisting of an upright post, a static plate and a supporting base; the lower end of the upright post is provided with a guide sliding shoe; the support base is provided with a movable polar plate assembly, and the movable polar plate assembly comprises a movable polar plate and a movable polar plate guide post; the movable polar plate guide post penetrates through the supporting base, and a probe is arranged at the lower end of the movable polar plate guide post; the bottom surface of the supporting base is provided with a probe limiting seat; a probe tension regulator group is arranged between the bottom surface of the movable polar plate and the top surface of the supporting base and between the probe limiting seat and the bottom surface of the movable polar plate guide post; the probe converts the up-and-down displacement generated by the difference of the depth of the low concave gaps on the surface of the carbon slide plate into the up-and-down motion of the movable polar plate; the movable polar plate and the static polar plate form a capacitor taking air as a medium, and the distance between the movable polar plate and the static polar plate is changed by the movement of the movable polar plate, so that the electric charge of the capacitor is correspondingly changed to form an electric signal required for measuring the depth of the low recess gap on the surface of the carbon slide plate.
Description
Technical Field
The invention relates to a precise automatic detection technology for abrasion of a carbon slide plate of a pantograph of a high-speed railway, in particular to a transducer for measuring the change of the surface dimple depth of the carbon slide plate by utilizing a displacement-charge conversion function, and specifically relates to a transducer for measuring the surface dimple clearance of the carbon slide plate of a single-probe pantograph.
Background
The pantograph is an electrical device that an electric traction locomotive obtains electric energy from a catenary, and is mounted on the top of a locomotive or a motor car. When the electric traction device is used, the current of the power grid is transmitted to the electric traction locomotive by closely contacting and sliding at high speed through the carbon sliding plate of the pantograph arranged on the locomotive and the copper wire of the feedback circuit of the power grid, and the carbon sliding plate on the pantograph is easy to wear due to long-term close contact and high-speed sliding. The carbon sliding plate is worn beyond a certain degree, so that poor contact is caused, and the carbon sliding plate needs to be replaced, and otherwise, a great potential safety hazard exists.
However, how to judge the abrasion degree of the carbon sliding plate more efficiently and accurately and ensure the precise measurement of the gaps of the carbon sliding plate is still one of the most concerned subjects in the industry.
Disclosure of Invention
The invention aims to solve the technical problem of providing a single-probe converter for measuring the low-recess clearance on the surface of the carbon slide plate of the pantograph, which can greatly improve the detection intelligentization degree of the carbon slide plate, the detection reliability and the detection efficiency.
The technical scheme adopted for solving the technical problems is as follows:
the transducer for measuring the low-recess gap on the surface of the carbon slide plate of the single-probe pantograph comprises a transducer frame capable of guiding and moving along the carbon slide plate, wherein the transducer frame consists of four upright posts arranged at four rectangular corners, a static plate which is electrically connected with the top ends of the four upright posts and can be used as one of positive and negative electrodes, and a support base connected with the lower parts of the four upright posts; the lower end of each upright post is provided with a guide sliding shoe which is used for sliding and guiding cooperation with the side surface of the carbon sliding plate; the movable polar plate assembly comprises a movable polar plate which is horizontally positioned above the support base and can be used as the other pole of the positive electrode and the negative electrode, and a movable polar plate guide post which is made of a non-conductive material and is connected with the bottom surface of the movable polar plate at the upper end; the movable polar plate guide post vertically and downwards passes through the support base in a sliding way, and the lower end surface of the movable polar plate guide post is provided with a probe for detecting the surface damage degree of the carbon slide plate; the bottom surface of the supporting base is provided with a probe limiting seat which provides guiding and limiting functions for the probe to vertically move up and down; at least one group of tension and pressure generating device is arranged between the bottom surface of the movable polar plate and the top surface of the supporting base and between the probe limiting seat and the bottom surface of the movable polar plate guide post, so that the probe can take 55 g/cm 2 To 65 g/cm 2 A probe tension regulator set in close sliding contact with the surface of the carbon slide plate; in the process of sliding and moving along with the transducer frame, the probe converts the up-and-down displacement generated by the difference of the depth of the low concave gap on the surface of the carbon slide plate into the up-and-down movement of the movable plate through the guide post of the movable plate; the movable polar plate and the static polar plate are matched to form a capacitor using air as medium, and the up-and-down movement of the movable polar plate changes the distance between the movable polar plate and the static polar plate, so that the charge of the capacitor is correspondingly changed to form the telecommunication required for measuring the depth of the low recess gap on the surface of the carbon slide plateNumber (x).
In order to optimize the technical scheme, the specific measures adopted further comprise:
the probe comprises a probe pin which is tightly contacted with the surface of the carbon slide plate in a sliding way and a probe rod for installing the probe pin; the upper end of the probe rod is connected with the center of the bottom surface of the movable polar plate guide post in a rigid way, and the probe is arranged on the bottom end surface of the probe rod.
The probe limiting seat is of a barrel cylindrical structure with an upper opening, a probe rod sliding hole is formed in the center of the bottom plate, a flange plate fixedly connected with the bottom surface of the supporting base through a bolt is formed at the upper opening end of the probe limiting seat, a probe limiter is arranged on the bottom surface of the probe limiting seat, and the probe rod sequentially penetrates through the probe rod sliding hole and the probe limiter in a sliding mode;
two groups of probe tension regulator groups are mounted between the bottom surface of the movable polar plate and the top surface of the supporting base and between the probe limiting seat and the bottom surface of the movable polar plate guide post, and each group of probe tension regulator groups consists of two probe tension regulators; the two probe tension regulators are arranged between the bottom surface of the movable polar plate and the top surface of the supporting base, are symmetrically arranged by taking the guide post of the movable polar plate as a symmetrical axis, the upper ends of the two probe tension regulators are electrically insulated and rigid with the bottom surface of the movable polar plate, and the lower ends of the two probe tension regulators are rigidly connected with the top surface of the supporting base; two probe tension regulators arranged between the probe limiting seat and the bottom surface of the movable polar plate guide post are symmetrically arranged by taking the probe rod as a symmetry axis; the upper ends of the two probe tension regulators are in rigid connection with the bottom surface of the movable polar plate guide post, and the lower ends of the two probe tension regulators are in rigid connection with the upper end surface of the bottom plate of the probe limiting seat.
The support base is provided with the longitudinal guide hole which is processed through, the longitudinal guide hole is internally provided with the movable polar plate guide device which is matched with the movable polar plate guide post in a sliding way and is used for guiding the up-and-down motion of the movable polar plate assembly, and the movable polar plate guide device is a steel sleeve with an inner hole plated with a wear-resistant layer or a copper sleeve with an inner hole plated with a wear-resistant layer.
The electrode terminal used for connecting the connection part is arranged on the upright post in the transducer frame and comprises a static plate electrode terminal connected with the static plate circuit and a movable plate electrode terminal connected with the movable plate circuit.
Compared with the prior art, the movable polar plate assembly is arranged on the supporting base of the converter frame, the converter frame comprises the static polar plate which can be used as one pole of the positive electrode and the negative electrode, and the movable polar plate assembly comprises the movable polar plate which can be used as the other pole of the positive electrode and the negative electrode and the movable polar plate guide post; the lower end of the movable polar plate guide post is provided with a probe which is in close sliding contact with the surface of the carbon slide plate. In the use process of the carbon slide plate of the pantograph, the surface of the carbon slide plate can be uneven due to long-term friction damage with a power grid, and in the sliding process of the probe, the upper and lower displacement can be generated due to the uneven surface of the carbon slide plate, namely, different depths of the concave gaps. The probe is arranged on the movable polar plate guide post of the movable polar plate assembly, so that the probe can convert the up-and-down displacement of the probe into up-and-down movement of the movable polar plate. The static plate and the movable plate form a capacitor taking air as a medium, the up-and-down movement of the movable plate changes the distance between the two plates to change the capacitance between the plates, and the change of the capacitance also changes the charge on the plates correspondingly, so that the change of converting the uneven state of the surface of the pantograph carbon slide plate into the change of the charge is realized, the function of a charge converter is realized, and an electric signal required by precisely measuring the surface depth is formed.
The invention is used for detecting the abrasion degree of the surface of the pantograph carbon slide plate of the high-speed railway train, can greatly improve the intelligent degree of the carbon slide plate detection and improves the reliability and efficiency of the detection.
Drawings
FIG. 1 is a schematic view of the structure of the present invention in a cross-sectional state when placed on a carbon skateboard;
fig. 2 is an enlarged partial schematic view at ii in fig. 1.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Wherein the reference numerals are as follows: transducer frame 1, upright 11, static plate 12, support base 13, guide shoe 14, movable plate assembly 2, movable plate 21, movable plate guide post 22, probe 3, probe 31, probe rod 32, probe limit seat 4, bottom plate 41, flange 42, probe limiter 5, probe tension adjuster 6, movable plate guide 7, static plate electrode terminal 81, movable plate electrode terminal 82, carbon slide 9.
Fig. 1 to 2 are schematic structural views of the present invention. As shown in the figure, the transducer for measuring the low-recess clearance on the surface of the single-probe pantograph carbon slide plate is a sub-device in a precise automatic detecting device for the abrasion of the pantograph carbon slide plate of a high-speed railway, and can move and walk under the drive of a moving device in the automatic detecting device. The converter comprises a converter frame 1 which can move along the guide of a carbon slide plate 9 under the drive of a moving device, wherein the converter frame 1 is of a rectangular frame structure and consists of four upright posts 11 arranged at the four corners of the rectangle, a static plate 12, a support base 13 and four guide sliding shoes 14. The electrostatic plate 12 is a metal plate that can be used as one of the positive and negative electrodes. The static plate 12 is electrically insulated and connected to the top ends of the four upright posts 11. The supporting base 13 is a rectangular plate arranged horizontally and mainly plays a role in stabilizing and supporting, and the supporting base 13 is connected to the lower parts of the four upright posts 11 relatively close to the carbon slide plate 9. Four guide shoes 14 are correspondingly arranged at the bottom ends of the corresponding upright posts 11, and the guide shoes 14 are matched with the side surfaces of the carbon sliding plates 9 in a sliding contact manner, so that the converter frame 1 can move along the guide of the carbon sliding plates 9. The movable polar plate assembly 2 is arranged on the supporting base 13, and the movable polar plate assembly 2 comprises a movable polar plate 21 and a movable polar plate guide post 22 fixedly connected with the movable polar plate 21. The movable electrode plate 21 is also a metal electrode plate, which can be the other of the positive and negative electrodes. When the static plate 12 is connected with the positive electrode of the power supply, the movable plate 21 is connected with the negative electrode of the power supply, and when the static plate 12 is connected with the negative electrode of the power supply, the movable plate 21 is connected with the positive electrode of the power supply. The movable electrode plate guide post 22 is a cylinder made of a non-conductive material, the upper end surface of the movable electrode plate guide post 22 is fixedly connected with the bottom surface of the movable electrode plate 21, the movable electrode plate guide post 22 can freely slide vertically and downwards to pass through a longitudinal guide hole formed in the support base 13, and the longitudinal guide hole is a through hole penetrating through the upper surface and the lower surface of the support base 13. In order to ensure the stability and smoothness of the up-and-down movement of the movable pole plate assembly 2, a guide post 22 of the movable pole plate is arranged in the longitudinal guide hole in a sliding fit manner for the movable poleThe up-and-down motion of the plate assembly 2 provides a guiding movable polar plate guide 7, and the movable polar plate guide 7 is a steel sleeve with an inner hole plated with a wear-resistant layer or a copper sleeve with an inner hole plated with a wear-resistant layer. The movable electrode plate 21 is not in direct contact with the support base 13, and the movable electrode plate 21 is horizontally positioned above the support base 13. The center of the lower end surface of the movable plate guide post 22 is provided with a probe 3 for detecting the surface damage degree of the carbon slide plate 9. The bottom surface of the supporting base 13 is provided with a probe limiting seat 4 for providing guiding and limiting functions for the vertical movement of the probe 3). In order to ensure that the probe 3 and the carbon slide plate 9 can always keep certain contact pressure, at least one group of probe tension regulator groups are arranged between the bottom surface of the movable polar plate 21 and the top surface of the supporting base 13 and between the probe limiting seat 4 and the bottom surface of the movable polar plate guide post 22; the probe tension regulator set is used for generating certain pulling force and pressure so that the probe 3 can be used for measuring 55 g/cm 2 To 65 g/cm 2 Is in close sliding contact with the surface of the carbon slide 9. In the long-term use process of the carbon slide plate of the pantograph of the high-speed railway, the surface of the carbon slide plate is damaged due to friction with a power grid, so that the surface of the carbon slide plate is concave and uneven, and after the carbon slide plate 9 is worn to a certain extent, poor electrical contact is caused, so that the carbon slide plate needs to be replaced, and otherwise, a large potential safety hazard exists. When the carbon slide plate of the pantograph of the high-speed railway is required to be detected, in the process that the probe 3 slides and moves along with the converter frame 1, as the probe 3 is in close contact with the carbon slide plate 9, the uneven surface of the carbon slide plate 9 acts on the probe 3 to enable the probe 3 to move up and down, and the probe 3 converts the up and down displacement generated by the difference of the depth of the low concave gaps on the surface of the carbon slide plate 9 into the up and down movement of the movable polar plate 21 through the movable polar plate guide post 22; the movable polar plate 21 and the static polar plate 12 are matched to form a capacitor taking air as a medium, and the up-and-down movement of the movable polar plate 21 changes the distance between the movable polar plate 21 and the two polar plates of the static polar plate 12, so that the charges of the capacitor are correspondingly changed to form an electric signal required for measuring the depth of the low recess gap on the surface of the carbon sliding plate 9, thereby achieving the purpose of precisely measuring the abrasion degree of the carbon sliding plate of the pantograph of the high-speed railway.
In the embodiment, as can be seen from fig. 2, the probe 3 of the present invention includes a probe 31 in close sliding contact with the surface of the carbon sled 9 and a probe bar 32 for mounting the probe 31; the upper end of the probe rod 32 is rigidly connected with the center of the bottom surface of the movable polar plate guide post 22, and the probe 31 is arranged on the bottom end surface of the probe rod 32. The probe 31 is replaceably mounted on a probe shaft 32.
In the embodiment, the probe limiting seat 4 of the invention is of a barrel cylindrical structure with an upper opening, a probe rod sliding hole is processed in the center of the bottom plate 41, a flange 42 fixedly connected with the bottom surface of the supporting base 13 by a bolt is processed at the upper opening end of the probe limiting seat 4, a probe limiter 5 is mounted on the bottom surface of the probe limiting seat 4, namely the bottom surface of the bottom plate 41, and the probe rod 32 sequentially penetrates through the probe rod sliding hole and the probe limiter 5 in a sliding manner.
In the embodiment, two groups of probe tension regulator groups are arranged between the bottom surface of the movable polar plate 21 and the top surface of the supporting base 13 and between the probe limiting seat 4 and the bottom surface of the movable polar plate guide post 22, and each group of probe tension regulator groups consists of two probe tension regulators 6; the two probe tension regulators 6 arranged between the bottom surface of the movable polar plate 21 and the top surface of the supporting base 13 are symmetrically arranged by taking the movable polar plate guide post 22 as a symmetrical axis, the upper ends of the two probe tension regulators 6 are electrically insulated and rigid with the bottom surface of the movable polar plate 21, and the lower ends of the two probe tension regulators 6 are rigidly connected with the top surface of the supporting base 13; the two probe tension regulators 6 arranged between the probe limiting seat 4 and the bottom surface of the movable polar plate guide post 22 are symmetrically arranged by taking the probe rod 32 as a symmetry axis; the upper ends of the two probe tension adjusters 6 are in rigid connection with the bottom surface of the movable polar plate guide post 22, and the lower ends of the two probe tension adjusters 6 are in rigid connection with the upper end surface of the bottom plate 41 of the probe limiting seat 4.
In the embodiment, the electrode terminals for connecting the connection parts are arranged on the upright posts 11 in the transducer frame 1, and the electrode terminals comprise a static plate electrode terminal 81 connected with the static plate 12 and a movable plate electrode terminal 82 connected with the movable plate 21. The static plate 12 and the movable plate 21 of the present invention are connected to an external power source through electrode terminals.
According to the invention, the change of the surface dimple depth caused by the crack and damage of the pantograph carbon slide plate for the high-speed railway train is converted into the change of the distance between two polar plates of the capacitor, so that the charge of the capacitor is correspondingly changed, and an electric signal required by precisely measuring the surface depth is formed. The invention is used for detecting the abrasion degree of the surface of the pantograph carbon slide plate of the high-speed railway train, can greatly improve the intelligent degree of the carbon slide plate detection and improves the reliability and efficiency of the detection.
The working principle of the invention is as follows:
after the pantograph carbon slide plate of the high-speed railway train is used for a long time or damaged, gaps or a certain degree of concave-convex can be generated on the surface of the pantograph carbon slide plate. The static plate 12 and the movable plate 21 in the present invention constitute a capacitor with air as a medium. There is a definite relationship between the capacitor voltage, the inter-plate capacitance and the charge on the plates. When a constant voltage is applied across the plates of the capacitor, the charge on the plates changes as the capacitance between the plates changes. When a constant voltage is applied between the static plate 12 and the movable plate 21, if the probe 31 slides on the surface of the carbon slide plate 9, the invention changes the uneven distance of the surface of the carbon slide plate 9 through the movement of the movable plate 21. According to the invention, the distance between the static plate 12 and the two plates of the movable plate 21 is changed through the movement of the movable plate 21, so that the capacitance between the plates is changed, and the electric charge on the plates is correspondingly changed through the change of the capacitance, thereby converting the uneven state of the surface of the pantograph into the change of the electric charge, and playing the role of an electric charge converter.
As shown in fig. 2, when the probe 31 is placed on the surface of the carbon sled 9, the movable plate 21 is either pushed upward or moved downward by the force of the probe tension adjuster 6 as the concavity of the surface of the carbon sled 9 changes. The movement of the movable electrode plate 21 changes the gap between the movable electrode plate 21 and the static electrode plate 12, thereby changing the capacitance of the two ends of the capacitor, and finally changing the electrode plate charge correspondingly.
The application of the invention:
the invention is horizontally arranged on a carbon slide plate to be detected, and the probe and the carbon slide plate are kept to have 55 g/cm 2 To 65 g/cm 2 Is provided. When in first use, the device of the invention is firstly arranged on a carbon slide plate in an ideal state, and aims at collecting and obtaining the carbon slide plate with good correspondenceThe charge information of the status carbon sled was used as a reference for comparison. If a constant voltage is applied to the dynamic and static polar plates, the detected electric charge on the polar plates is compared with the reference electric charge, and the depth of the concave or gap on the surface of the carbon slide plate is measured. The invention can finish the measurement of the gap depth of the carbon slide plate by matching other electronic devices and devices.
The probe is designed to the center of the bottom surface of the movable polar plate guide post 22, and the probe rod and the movable polar plate guide post 22 are directly fixed together, so that the structure of the probe is simpler, and the reliability is further improved. The invention is applicable to situations where the dimples or gaps on the surface of the carbon sled are relatively small and dense in distance from each other. The invention can obviously improve the working efficiency and can be used for automatic detection and maintenance operation of the high-speed railway train.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a single probe pantograph carbon slide surface low recess clearance measurement is with converter, includes converter frame (1) that can follow carbon slide (9) direction and remove, characterized by: the converter frame (1) consists of four upright posts (11) arranged at four rectangular corners, a static plate (12) which is electrically connected to the top ends of the four upright posts (11) and can be used as one of positive and negative electrodes, and a supporting base (13) connected to the lower parts of the four upright posts (11); the lower end of each upright post (11) is provided with a guide sliding shoe (14) which is used for sliding and guiding cooperation with the side surface of the carbon sliding plate (9); the movable polar plate assembly (2) is arranged on the supporting base (13), and the movable polar plate assembly (2) comprises a movable polar plate (21) which is horizontally arranged above the supporting base (13) and can be used as the other pole of the positive electrode and the negative electrode, and a movable polar plate guide post (22) which is made of a non-conductive material and is connected with the bottom surface of the movable polar plate (21) at the upper end; the movable polar plate guide post (22) vertically and downwards passes through the supporting base (13), and the probe (3) for detecting the surface damage degree of the carbon slide plate (9) is arranged on the lower end surface of the movable polar plate guide post (22); the bottom surface of the supporting base (13) is provided with a probe limiting seat (4) for providing guiding and limiting functions for the vertical movement of the probe (3); at least one group of probe tension regulator groups for generating tensile force and pressure to enable the probe (3) to be in close sliding contact with the surface of the carbon slide plate (9) at the pressure of 55 g/cm < 2 > -65 g/cm < 2 >) are arranged between the bottom surface of the movable polar plate (21) and the top surface of the supporting base (13) and between the probe limiting seat (4) and the bottom surface of the movable polar plate guide post (22); in the process of sliding and moving along with the converter frame (1), the probe (3) converts the up-and-down displacement generated by the difference of the depth of the low concave gap on the surface of the carbon sliding plate (9) into the up-and-down movement of the movable polar plate (21) through the movable polar plate guide post (22); the movable polar plate (21) and the static polar plate (12) are matched to form a capacitor taking air as a medium, and the up-and-down movement of the movable polar plate (21) changes the distance between the movable polar plate (21) and the static polar plate (12) so that the electric charge of the capacitor is correspondingly changed to form an electric signal required for measuring the depth of a low recess gap on the surface of the carbon slide plate (9).
2. The transducer for measuring a low recess gap on the surface of a single-probe pantograph carbon slide plate according to claim 1, wherein the transducer is characterized in that: the probe (3) comprises a probe (31) which is tightly contacted with the surface of the carbon slide plate (9) in a sliding way and a probe rod (32) for installing the probe (31); the upper end of the probe rod (32) is rigidly connected with the center of the bottom surface of the movable polar plate guide post (22), and the probe (31) is arranged on the bottom end surface of the probe rod (32).
3. The transducer for measuring the low recess gap on the surface of the single-probe pantograph carbon slide plate according to claim 2, wherein the transducer is characterized in that: the probe limiting seat (4) is of a barrel column structure with an upper opening and a probe rod sliding hole machined in the center of a bottom plate (41), a flange plate (42) fixedly connected with the bottom surface of the supporting base (13) by using a bolt is machined at the upper opening end of the probe limiting seat (4), a probe limiter (5) is installed on the bottom surface of the probe limiting seat (4), and the probe rod (32) sequentially penetrates through the probe rod sliding hole and the probe limiter (5) in a sliding mode.
4. The transducer for measuring a low recess gap on a surface of a single-probe pantograph carbon slide plate according to claim 3, wherein the transducer is characterized in that: two groups of probe tension regulator groups are mounted between the bottom surface of the movable polar plate (21) and the top surface of the supporting base (13) and between the probe limiting seat (4) and the bottom surface of the movable polar plate guide post (22), and each group of probe tension regulator groups consists of two probe tension regulators (6); two probe tension regulators (6) arranged between the bottom surface of the movable polar plate (21) and the top surface of the supporting base (13) are symmetrically arranged by taking the movable polar plate guide post (22) as a symmetrical axis, the upper ends of the two probe tension regulators (6) are electrically insulated and rigidly connected with the bottom surface of the movable polar plate (21), and the lower ends of the two probe tension regulators (6) are rigidly connected with the top surface of the supporting base (13); two probe tension regulators (6) arranged between the probe limiting seat (4) and the bottom surface of the movable polar plate guide post (22) are symmetrically arranged by taking a probe rod (32) as a symmetrical axis; the upper ends of the two probe tension regulators (6) are in rigid connection with the bottom surface of the movable polar plate guide post (22), and the lower ends of the two probe tension regulators (6) are in rigid connection with the upper end surface of the bottom plate (41) of the probe limiting seat (4).
5. The transducer for measuring the low recess gap on the surface of the single-probe pantograph carbon slide plate according to claim 4, wherein the transducer is characterized in that: the support base (13) is provided with a longitudinal guide hole which is processed through, a movable polar plate guide (7) which is matched with the movable polar plate guide post (22) in a sliding way and used for guiding the up-and-down movement of the movable polar plate assembly (2) is arranged in the longitudinal guide hole, and the movable polar plate guide (7) is a steel sleeve with an inner hole plated with a wear-resistant layer or a copper sleeve with an inner hole plated with a wear-resistant layer.
6. The transducer for measuring the low recess gap on the surface of the single-probe pantograph carbon slide plate according to claim 5, wherein the transducer is characterized in that: the transformer frame (1) is provided with electrode terminals for connecting the connection parts on the upright posts (11), and the electrode terminals comprise a static plate electrode terminal (81) connected with a static plate (12) circuit and a movable plate electrode terminal (82) connected with a movable plate (21) circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810674483.1A CN108759654B (en) | 2018-06-27 | 2018-06-27 | Transducer for measuring low-recess gap on surface of single-probe pantograph carbon slide plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810674483.1A CN108759654B (en) | 2018-06-27 | 2018-06-27 | Transducer for measuring low-recess gap on surface of single-probe pantograph carbon slide plate |
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| CN108759654B true CN108759654B (en) | 2023-05-30 |
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