CN211178818U

CN211178818U - Electric brush wire contact pressure detection device

Info

Publication number: CN211178818U
Application number: CN201922430373.3U
Authority: CN
Inventors: 李俊烨; 王新鹏; 惠锡铭; 张心明; 侯吉坤; 赵伟宏
Original assignee: Changchun University of Science and Technology
Current assignee: Changchun University of Science and Technology
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-04
Anticipated expiration: 2029-12-30

Abstract

The utility model provides an electric brush silk contact pressure detection device, this device comprises electric brush anchor clamps and pressure detection two parts, electric brush silk anchor clamps both sides are installed on optical platform through the adjustment frame, the anchor clamps both sides are installed on the adjustment support through adjusting the slider, therefore the anchor clamps height can carry out appropriate regulation, the anchor clamps locating plate links together through dog-ear board and adjustment slider, the locating plate is the dismantlable formula, the inside can change the locating component of different sizes, change according to the size of electric brush bottom constant head tank, the anchor clamps top is quick clamp, can press from both sides the electric brush fast tightly; the pressure detection part adjusts the pressure sensor and the profiling contact through a lifting table, a displacement table and an electric rotating table which are arranged on the optical platform so as to better simulate the contact state of the electric brush wire and the slip ring and further more accurately measure the actual contact pressure value of the electric brush wire; the utility model discloses measurement accuracy is high, the contact pressure value of the different model brush silks of measurable quantity.

Description

Electric brush wire contact pressure detection device

Technical Field

The utility model relates to a pressure detection field specifically is an electric brush silk contact pressure detection device

Background

The conductive slip ring is an important part widely applied to satellite-borne products, electric power and signal transmission between a rotating part and a fixed part is realized, the alloy wire is widely applied to an electric brush material of the conductive slip ring, in the conductive slip ring, an electric brush wire is in contact with a conductive slip ring body at a certain pressure, and the contact pressure has great influence on the performance, the wear rate and the service life of electric contact; the selection of the contact pressure is related to the current and the pressure conducted by the conductive slip ring, the larger the current and the voltage are, the larger the required contact pressure is, the larger the contact pressure is, the smaller the contact resistance is, and the phenomena of electric spark and electric erosion are not easy to occur, but the pressure increase also has a certain limit, the moment of friction is increased when the pressure limit is exceeded, the abrasion loss is increased, the friction rate is increased, and the service life of the equipment is shortened.

The contact pressure detection of the brush wire of the conductive slip ring is a very important work, and the quality of a product of the conductive slip ring is related to, as an important component of the conductive slip ring, the detection of the contact pressure value of the brush during tooling is an important link.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a for solving the problem that detects the contact pressure value of conducting slip ring brush silk, provide a brush silk contact pressure detection device, through design profile modeling contact, through the space mobile device, the actual contact state of simulation brush silk and sliding ring further surveys the contact pressure value of brush silk through pressure sensor.

In order to solve the above problem, the utility model provides a following technical scheme: the device consists of an electric brush clamp and a pressure detection part, the electric brush clamp consists of an adjusting bracket, a slide block, a bevel plate, a clamp positioning plate and a quick clamp, the positioning plate consists of a positioning rod piece and two side fixing plates, the clamp positioning plate can correspondingly adjust the internal structure of the positioning plate according to the difference of the sizes of electric brushes, so as to meet the positioning function of the electric brushes with different sizes, the slide block can adjust different heights, the pressure detection part can be matched with the electric brush wire pressure detection part to carry out the pressure detection of the electric brushes with different sizes, the quick clamp can realize the quick clamping of the electric brushes, the pressure detection part consists of an electric lifting platform, an electric displacement platform, an electric rotating platform, a manual displacement platform, a pressure sensor, a sensor base and a profiling contact, the pressure detection part can adjust according to the conductive slip rings with different models, the contact pressure of the electric brush wire is simulated and detected by utilizing the profiling contact, and the electric brush clamp and the pressure detection part of the device are respectively arranged on the optical platform, so that the accuracy and the stability of pressure detection are ensured;

further, preferably, the bottom of the adjusting bracket is mounted on the optical platform, the distance between the two adjusting brackets can be properly adjusted to meet the clamping requirements of subsequent steps on the electric brush, the upper part of the adjusting bracket is a round rod piece, the size of the round rod piece is the same as that of a round hole of a sliding block, the sliding block is mounted on the round rod piece of the adjusting bracket, and the round rod piece is clamped and fixed through a clamping knob and can be adjusted in height;

further, as preferred, the fixture positioning plate is mounted on the slider through a bevel plate, the bevel plate and the positioning plate are respectively provided with a long round hole, so that the fixture positioning plate can be transversely adjusted, the electric brush can be further driven to be transversely fine-adjusted to meet the requirements of different position adjustment during pressure detection, positioning rod pieces inside the positioning plate are mounted on fixing plates on two sides of the positioning plate through bolts, for electric brushes with different sizes, the sizes of positioning grooves at the bottoms of the electric brushes are different, the positioning plate in the device can be changed by replacing the positioning rod pieces with different sizes, and the sizes of the positioning rod pieces are matched with the sizes of the positioning grooves at the bottoms of the electric brushes, so that the positioning function of the electric brushes with different models is realized;

furthermore, as an optimization, the fixing plates on the two sides of the positioning plate are provided with the rapid clamps, the rapid clamps can realize the rapid clamping function of the electric brush, when the electric brush is installed, only the positioning groove at the bottom of the electric brush is required to be aligned to the positioning plate for positioning, and then the rapid clamps are clamped, the length of the clamping arm of each clamp and the contact distance between the clamping contact and the electric brush can be adjusted, the clamping force can be adjusted according to the electric brushes of different models, and the clamping function of the electric brush is further realized;

further, preferably, the electric lifting table is arranged on the optical platform, the specific position is right below the fixture positioning table, the electric displacement table is arranged above the lifting table, the electric rotating table is arranged on a sliding block of the electric displacement table, the three devices can be connected with the motion controller, and the up-down, left-right and circular motion of the rotating table surface can be realized through the accurate control of the controller;

further, preferably, a manual displacement table is installed on the table top of the electric rotating table through a bolt, a pressure sensor is installed on a sliding block of the displacement table through a sensor base, a profiling contact is installed above the pressure sensor, the manual displacement table is used for adjusting the distance from the profiling contact to the rotating center, the manual displacement table can be finely adjusted, the distance from the profiling contact to the rotating center is further finely adjusted, and therefore the sizes of the conductive slip rings of different models are simulated;

preferably, a trapezoidal groove is formed in the contact surface between the upper portion of the profiling contact and the brush wire, the size of the groove is the same as that of the groove of the conductive sliding ring body, the material of the profiling contact is the same as that of the conductive sliding ring body, the contact environment of the sliding ring and the brush wire is further simulated, and the profiling contact can be replaced according to sliding ring bodies of different models;

further, as preferred, this device passes through automatic control, can realize the automated inspection function to the brush silk pressure, through the contact of the steerable profile modeling contact of control electric lift platform, electronic displacement platform, electronic revolving stage and brush silk, through the adjustment to manual displacement platform, can further the actual size of accurate simulation conductive slip ring body, look for the best contact pressure value of profile modeling contact and brush silk through control electric revolving stage, further, through automatic control, can realize the detection function to the whole row of brush silk contact pressure value of brush silk.

Drawings

FIG. 1 is a general schematic view of an electrical brush wire contact pressure detection device

FIG. 2 is a schematic view of an adjusting stand

FIG. 3 is a schematic view of a slider

FIG. 4 is a schematic view of a corner panel

FIG. 5 is a schematic view of a positioning plate of the clamp

FIG. 6 is a schematic view of a quick clamp

FIG. 7 is a partial view of a pressure measuring probe

FIG. 8 is a view showing the overall composition of the pressure measurement

FIG. 9 is a flow chart of brush wire pressure detection

Detailed Description

The utility model provides an electric brush silk angle forming device combines below to combine the utility model discloses the embodiment in the accompanying drawings, right the utility model discloses technical scheme in the embodiment carries out clear, complete description, and the embodiment that obviously describes is only the utility model discloses a part embodiment, rather than whole embodiment. Based on the embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work all belong to the protection scope of the present invention.

The device is divided into a clamp part and a pressure measuring part, wherein the clamp part respectively consists of an adjusting frame (12), a sliding block (11), a folded angle plate (9), a clamp positioning plate (8) and a quick clamp (1), the adjusting frame (12) consists of a base (12-3) and a round rod piece (12-1), the base (12-3) is installed on an optical platform (14) through a bolt (12-2), and the adjustment of different positions on the optical platform (14) can be realized through an adjusting bolt (12-2); the sliding block (11) consists of a clamping plate (11-2), a clamping knob (11-3), a bottom plate (11-4) and a through hole (11-1), six threaded holes (11-5) are machined in the bottom plate (11-4), the diameter of the through hole (11-1) is the same as that of the round rod piece (12-1), the round rod piece (12-1) is placed into the through hole (11-1) during installation, and the clamping knob (11-3) is screwed to realize fixation; the angle folding plate (9) consists of a transverse plate (9-1), a vertical plate (9-6) and a supporting plate rib (9-4), six through holes (9-5) are formed in the vertical plate (9-6), the through holes (9-5) correspond to the through holes (11-5) in the bottom plate (11-4) of the sliding block (11) in position, fixing is achieved through bolts, and two through holes (9-3) and one long round hole (9-2) are formed in the transverse plate (9-1); the clamp positioning plate (8) consists of a positioning rod (8-2) and two fixing plates (8-5), in order to better express the implementation mode, only one fixing plate (8-5) on one side is shown in the figure, a through hole (8-4) and a long round hole (8-6) are processed on the fixing plate (8-5), the through hole (8-4) is matched with a long round hole (9-2) of a folded plate (9), the long round hole (8-6) is matched with a through hole (9-3) of the folded plate (9), connection and adjustment are carried out through bolts, transverse fine adjustment of the fixing plate (8-5) is realized, fine adjustment of the position of the clamp is further realized, a rectangular groove (8-3) is processed on the fixing plate (8-5), and the size of the groove (8-3) is matched with that of the positioning rod (8-2), the positioning rod (8-2) is further screwed in the rectangular groove (8-3) through a bolt (8-1); the rapid clamp is fixed on a through hole (8-4) of a clamp positioning plate (8) through a bolt (1-3), the clamping force can be adjusted through adjusting a contact (1-2), and the rapid clamp can be realized through wrestling a handle (1-1).

The pressure measuring part consists of an electric lifting table (13), an electric displacement table (7), an electric rotating table (6), a manual displacement table (5), a pressure sensor (3), a sensor base (4) and a profiling contact (2); the electric lifting platform (13) is arranged on the optical platform (14), the electric displacement platform (7) is arranged above the electric lifting platform (13), and the electric rotating platform (6) is arranged on a sliding block of the electric displacement platform (7); the profiling contact (2) is processed with a trapezoidal groove (2-1), the lower part of the profiling contact is installed on a pressure sensor (3) through a connecting piece (2-2), the lower part of the pressure sensor (3) is connected with a transverse plate (4-1) of a sensor base (4), a side plate (4-2) of the sensor base (4) is a fixed end and is fixed on a movable table top (5-2) of a manual displacement table (5) through a bolt (5-3), the base of the manual displacement table (5) is further fixed on the table top (5-1) of an electric rotating table (6) through the bolt (5-4), and the pressure sensor (3) and the profiling contact (2) are adjusted through an adjusting rotating rod (5-5); the electric rotating platform (6) is connected to a corresponding motion controller through an interface (5-6) to control the motion of the corresponding motion controller, a fine adjustment knob (5-7) is arranged on one side of the electric rotating platform (6), and the knob (5-7) can be used for manually adjusting the rotating platform, so that the operation of a user is facilitated.

When pressure detection is carried out, firstly, a clamping knob (11-3) of a sliding block (11) is adjusted to adjust a clamp to a proper position, then the clamp is screwed down, a rapid clamp (1) is opened, a groove inside an electric brush (10) is aligned to a positioning rod (8-2), then the rapid clamp (1) is clamped, an electric lifting platform (13) and an electric displacement platform (7) are adjusted to a brush wire detection initial position, a manual displacement platform (5) is adjusted, the distance from a profiling contact (2) to a rotation center is adjusted to be the same as the radius size of an electric slip ring, further, a trapezoid groove of the profiling contact (2) is aligned to a first brush wire on one side of the brush wire of the electric brush by adjusting the electric displacement platform (7) and the electric rotating platform (6), the distance from the rotation center of the electric rotating platform (6) to the electric brush is controlled to be the same as the distance from the actual electric brush to the center of the slip ring by adjusting, further simulating the state of the electric brush wire in contact with the slip ring, wherein the profiling contact (2) contacts the first brush wire, further measuring the contact pressure at the moment, controlling the electric displacement table (7) and the electric lifting table (13) after the test is finished, adjusting the profiling contact (2) to the position of the next brush wire, detecting the contact pressure of the electric brush wire by simulating the flow, exchanging the position of the electric brush (10) after the pressure value of one side is completely measured, carrying out re-clamping, repeating the work, and finally finishing the detection of the contact pressure values of all the brush wires on the electric brush (10).

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A brush wire contact pressure detection device is characterized by comprising a brush clamp and a pressure detection part, wherein the brush clamp comprises an adjusting bracket, a sliding block, a folded angle plate, a clamp positioning plate and a quick clamp, the positioning plate comprises a positioning rod piece and two side fixing plates, the clamp positioning plate can correspondingly adjust the internal structure of the positioning plate according to the different sizes of brushes to meet the positioning function of the brushes with different sizes, the sliding block can adjust different heights and can be matched with the brush wire pressure detection part to detect the pressures of the brush wires with different sizes, the quick clamp can realize quick clamping of the brushes, the pressure detection part comprises an electric lifting platform, an electric displacement platform, an electric rotating platform, a manual displacement platform, a pressure sensor, a sensor base and a profiling contact, and the pressure detection part can adjust according to conductive slip rings with different models, the contact pressure of the electric brush wire is simulated and detected by utilizing the profiling contact, and the electric brush clamp and the pressure detection part of the device are respectively arranged on the optical platform, so that the accuracy and the stability of pressure detection are ensured.

2. The apparatus for detecting the contact pressure of the brush wire according to claim 1, wherein the bottom of the adjusting bracket is mounted on the optical platform, the distance between the two adjusting brackets can be adjusted properly to meet the requirement of clamping the brush in the subsequent step, the upper portion of the adjusting bracket is a circular rod with the same size as the circular hole of the sliding block, and the sliding block is mounted on the circular rod of the adjusting bracket and clamped and fixed by the clamping knob, and the height of the sliding block can be adjusted.

3. The brush wire contact pressure detecting device according to claim 1, wherein the fixture positioning plate is mounted on the slider through a bevel plate, the bevel plate and the positioning plate are respectively provided with a long circular hole for performing lateral adjustment to further drive the brush to perform lateral fine adjustment so as to meet the requirements of different position adjustment during pressure detection, the positioning rod members inside the positioning plate are mounted on the fixing plates at two sides of the positioning plate through bolts, for brushes of different sizes, the sizes of the positioning grooves at the bottom of the brush are also different, the positioning plate in the device can be changed by replacing the positioning rod members of different sizes, the sizes of the positioning rod members are matched with the sizes of the positioning grooves at the bottom of the brush, and the positioning function of brushes of different types is realized.

4. The brush wire contact pressure detection device according to claim 1, wherein the fixing plates on both sides of the positioning plate are provided with quick clamps, the quick clamps can achieve a quick clamping function of the brush, when the brush is installed, only the positioning groove at the bottom of the brush needs to be aligned with the positioning plate for positioning, and then the quick clamps are clamped, the length of the clamping arm of each clamp and the contact distance between the clamping contact and the brush can be adjusted, and the clamping force can be adjusted according to different types of brushes, so that the clamping function of the brush is further achieved.

5. The device for detecting the contact pressure of the electric brush wire according to claim 1, wherein the electric lifting table is installed on the optical platform at a position directly below the positioning table of the fixture, the electric displacement table is installed above the lifting table, the electric rotary table is installed on a slide block of the electric displacement table, and the three devices can be connected with the motion controller, so that the up-and-down, left-and-right and circular motion of the rotary table surface can be realized through the precise control of the controller.

6. The electrical brush wire contact pressure detection device according to claim 1, wherein a manual displacement table is mounted on the table top of the electric rotating table through a bolt, a pressure sensor is mounted on a slide block of the displacement table through a sensor base, a copying contact is mounted above the pressure sensor, the manual displacement table is used for adjusting the distance from the copying contact to the rotation center, and the manual displacement table can be finely adjusted to further finely adjust the distance from the copying contact to the rotation center, so that sizes of different types of conductive slip rings can be simulated.

7. The brush wire contact pressure detection device according to claim 1, wherein a trapezoidal groove is formed in a contact surface between the upper portion of the copying contact and the brush wire, the size of the groove is the same as that of the groove of the conductive slip ring body, the material of the copying contact is the same as that of the conductive slip ring body, a contact environment between the slip ring and the brush wire is further simulated, and the copying contact can be replaced according to slip ring bodies of different models.

8. The brush wire contact pressure detection device according to claim 1, wherein the device is capable of automatically detecting the brush wire pressure by automatic control, controlling the contact between the profiling contact and the brush wire by controlling the electric lifting table, the electric displacement table and the electric rotating table, further accurately simulating the actual size of the conductive slip ring body by adjusting the manual displacement table, searching the optimal contact pressure value between the profiling contact and the brush wire by controlling the electric rotating table, and further detecting the contact pressure value of the whole row of brush wires of the brush wire by automatic control.