A kind of carbon brush resistivity measurement tooling and its test method
Technical field
The present invention relates to carbon brush resistivity measurement technical field more particularly to a kind of carbon brush resistivity measurement tooling and its surveys
Method for testing.
Background technique
Carbon brush mainly has four big physical characteristics, and wherein resistivity is exactly one of key characteristic, and the quality of carbon brush can directly lead to
The measured value for crossing resistivity is embodied.Need accurately directly to measure the resistivity value of carbon brush before using carbon brush.Through
Retrieval, application No. is 201721124257.3 patent documents to disclose a kind of carbon brush resistivity measurement tooling, including pedestal, bottom
Seat top one end is equipped with insulation board and utilizes Jiao Jin mechanism school tight, and the pedestal other end is fixed with cylinder, and the cylinder rod outer end of cylinder is solid
Surely there is a link block, the opposite face of link block and Jiao Jin mechanism is successively fixed with metal caul, insulating pad and sheet metal respectively, and two
The clamp area to carbon brush block is formed between a sheet metal, the insulation board extends to clamp area bottom, and two sheet metals connect respectively
Connect the external lead wire for connecting to power supply, be equipped with removable supporting block in clamp area, tooling be additionally provided with for carbon brush block
It contacts to measure the wiring part of resistance, wiring part one end sets the contact chip there are two fixed distance, each contact chip connection
A piece lead, the other end of lead are connected with the plug for being connected with resistance meter.Its structure is simple and convenient to operate, from
Fundamentally solve the problems, such as that the conventional test methodologies testing time is long, measuring accuracy is low.
But there is also shortcomings for above-mentioned design, above-mentioned design inconvenience is by carbon brush rapid deployment to be measured, and inconvenience measures
The length of carbon brush to be measured, so that calculating the resistivity of carbon brush to be measured, complicated operation, takes a long time, therefore we have proposed one
Kind carbon brush resistivity measurement tooling and its test method are for solving the above problems.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of carbon brush resistivity measurement tooling and its tests
Method.
A kind of carbon brush resistivity measurement tooling proposed by the present invention, including pedestal, the top side of the pedestal are welded with
First plate, the top other side of pedestal offer sliding slot, are welded with the same locating rod on the two sides inner wall of sliding slot, locating rod
Outside sliding sleeve is equipped with the second plate, and the first plate and the second plate side close to each other offer the first hole and the second hole respectively, the
Limit hole is offered in the top inner wall in one hole and the second hole, slide bar is slidably fitted in limit hole, and the bottom end of slide bar extends
To limit hole lower section and be welded with mounting plate, the bottom of mounting plate is fixed to be pasted with the first rubber pad, the outside activity of slide bar
It is arranged with the first spring, the top inner wall in the top inner wall in the first hole and the second hole is mutually welded with the top of two the first springs respectively
It connects, the bottom end of the first spring is mutually welded with the top of corresponding mounting plate;
Limiting slot is offered in the top inner wall in first hole and the second hole, limiting slot is located at the top in the first hole, limit
Rotation hole is offered in the top inner wall of slot, shaft is rotatably equipped in rotation hole, and the bottom end of shaft extends to corresponding limit
In slot and it is fixedly connected with reel, winding and is fixedly connected with the same traction rope on two reels, the traction rope
Outside movable sleeve is equipped with second spring, and the both ends of second spring are mutually welded with the inner wall of two limiting slots respectively, the top of limiting slot
Threaded hole is offered on portion's inner wall, threaded hole internal screw thread is equipped with locking screw rod, and locking screw rod is matched with corresponding reel.
Preferably, the bottom end of the locking screw rod extends in corresponding limiting slot and fixation is pasted with hemispherical rubber
It pads, is matched at the top of hemispherical rubber pad and corresponding reel.
Preferably, the top of the locking screw rod extends to the top of the second plate and is welded with knob, the top of the shaft
End extends to the top of knob and is fixedly connected with handwheel.
Preferably, the outside fixing sleeve of the shaft is equipped with bearing, and the side wall of the outer ring of bearing and corresponding rotation hole
Mutually weld.
Preferably, the top of the slide bar extends to the top of the second plate and is welded with snap-gauge.
Preferably, the bottom side in first hole is that opening is arranged, in the bottom in the top side of the pedestal and the second hole
Fixation is pasted with the second rubber pad on wall, connects at the top of the bottom of first rubber pad and corresponding second rubber pad
Touching.
Preferably, the side of second plate offers slide opening compatible with locating rod, and the locating rod and slide opening are sliding
Dynamic connection.
Preferably, the top side of the locating rod is equipped with multiple graduation marks, and multiple graduation marks are equidistantly spaced setting.
Preferably, the diameter of the hemispherical rubber pad is identical as the diameter of locking screw rod.
The present invention is also proposed a kind of application method of carbon brush resistivity measurement tooling, comprising the following steps:
S1: lifting is located at the snap-gauge on the first plate upwards first, and snap-gauge drives mounting plate to move up, installs at this time by slide bar
Plate squeezes the first spring and the first rubber pad is driven to move up, so that the first rubber pad is separated with the second rubber pad, at this time will
One end of carbon brush to be measured is put into the first hole, unclamps this snap-gauge, and mounting plate moves down under the elastic force effect of the first spring,
So that the first rubber pad is pressed down against one end of carbon brush to be measured, it is located in the first hole so that one end of carbon brush to be measured is firm,
Turn at this time is located at the handwheel on the first plate, and handwheel is supplied to shaft and one of reel is driven to start to rotate, reel rotation
Traction rope can be wound up when turning, the direction that the other end of traction rope pulls the second plate to close first plate at this time is mobile,
Second plate can squeeze second spring to confined state;
S2: when the central point of traction rope is moved in the first plate, turn at this time is located at the knob on the first plate, and knob drives lock
Only screw rod rotates in threaded hole, due to being threaded connection between locking screw rod and corresponding threaded hole, so that locking screw rod band
Itself is moved to move down, at this time locking screw rod drive hemispherical rubber pad move down, until hemispherical rubber pad bottom side with
The topside contacts of reel in the first plate simultaneously fit closely, and are capable of fixing the position of the reel in the first plate,
So that the reel being located in the first plate no longer rotates;
S3: lifting is located at the snap-gauge on the second plate upwards, so that the other end strong fix of carbon brush to be measured is in the second hole, negative side
It is located at the knob on the first plate to turn, knob drives locking screw rod to start to rotate, and locking screw rod drives and itself moves up, lock
Only screw rod drives hemispherical rubber pad to move up and separates with reel, and the elastic force of second spring pushes the second plate to separate at this time
The direction of first plate is mobile, and the second plate drives the other end of carbon brush to be measured to move to the direction far from the first plate by the first rubber pad
It is dynamic, carbon brush to be measured is unfolded, when carbon brush to be measured is expanded to maximum length, can be read by the graduation mark in locating rod
The distance for taking carbon brush both ends to be measured takes a multimeter at this time, the both ends of multimeter is connected to the both ends of carbon brush to be measured,
The resistance value between carbon brush both ends to be measured can be measured, in conjunction with the length between carbon brush both ends to be measured, can quickly be calculated
The resistivity of carbon brush to be measured.
Compared with prior art, the beneficial effects of the present invention are:
(1) by the first hole, the second hole, limit hole, slide bar, mounting plate, the first rubber pad, the first spring, the second rubber pad and
Snap-gauge matches, and lifting is located at the snap-gauge on the first plate upwards, and snap-gauge drives mounting plate to move up by slide bar, and mounting plate squeezes
It presses the first spring and the first rubber pad is driven to move up, separate the first rubber pad with the second rubber pad, by carbon brush to be measured
One end is put into the first hole, unclamps this snap-gauge, and mounting plate moves down under the elastic force effect of the first spring, makes the first rubber
Pad is pressed down against one end of carbon brush to be measured, makes one end of carbon brush to be measured is firm to be located in the first hole, turn is located at the first plate
On handwheel, handwheel is supplied to shaft and drives the rotation of one of reel, and traction rope is wound up when rotating, led by reel
The other end of messenger pulls the second plate to close to the movement of the direction of the first plate, and the second plate can squeeze second spring to by compression shape
State;
(2) pass through rotation hole, shaft, reel, traction rope, second spring, limiting slot, threaded hole, locking screw rod, hemispherical rubber
Rubber mat, bearing and handwheel match, and when the central point of traction rope is moved in the first plate, turn is located at the rotation on the first plate
Button, knob drive locking screw rod to rotate in threaded hole, due to, to be threadedly coupled, making between locking screw rod and corresponding threaded hole
Locking screw rod drives and itself moves down, and locking screw rod drives hemispherical rubber pad to move down, until hemispherical rubber pad
Bottom side be located at the first plate in reel topside contacts and fit closely, be capable of fixing the reel in the first plate
Position no longer rotates the reel being located in the first plate;
(3) it is matched by pedestal, the first plate, sliding slot, locating rod, the second plate, second spring and graduation mark, lifting is located at upwards
Snap-gauge on second plate makes the other end strong fix of carbon brush to be measured in the second hole, and opposite direction turn is located on the first plate
Knob, knob drive the rotation of locking screw rod, and locking screw rod drives and itself move up, locking screw rod drive hemispherical rubber pad to
Upper movement is separated with reel, and the elastic force of second spring pushes the second plate mobile to the direction far from the first plate, and the second plate passes through
First rubber pad drives the other end of carbon brush to be measured mobile to the direction far from the first plate, and carbon brush to be measured is enable to be unfolded, to be measured
When carbon brush is expanded to maximum length, the distance at carbon brush both ends to be measured can be read by the graduation mark in locating rod, takes one ten thousand
With table, the both ends of multimeter are connected to the both ends of carbon brush to be measured, measure the resistance value between carbon brush both ends to be measured, then tie
The length between carbon brush both ends to be measured is closed, the resistivity of carbon brush to be measured can be quickly calculated;
The present invention has rational design, and practicability is high, can quickly survey carbon brush rapid deployment to be measured after carbon brush to be measured expansion
Carbon brush to be measured length, measure the resistivity that carbon brush to be measured can quickly be calculated after the resistance of carbon brush to be measured, conveniently make
With.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of carbon brush resistivity measurement tooling proposed by the present invention;
Fig. 2 is a kind of structural schematic diagram of the part A of carbon brush resistivity measurement tooling proposed by the present invention;
Fig. 3 is a kind of structural schematic diagram of the part B of carbon brush resistivity measurement tooling proposed by the present invention;
Fig. 4 is a kind of structural schematic diagram of the C portion of carbon brush resistivity measurement tooling proposed by the present invention;
Fig. 5 is slide bar, mounting plate and the first rubber pad connector in a kind of carbon brush resistivity measurement tooling proposed by the present invention
Schematic perspective view.
In figure: 1 pedestal, 2 first plates, 3 sliding slots, 4 locating rods, 5 second plates, 6 first holes, 7 second holes, 8 limit holes, 9 are slided
Bar, 10 mounting plates, 11 first rubber pads, 12 first springs, 13 rotation holes, 14 shafts, 15 reels, 16 traction ropes, 17 second
Spring, 18 limiting slots, 19 threaded holes, 20 locking screw rods, 21 hemispherical rubber pads, 22 bearings, 23 second rubber pads, 24 snap-gauges,
25 handwheels, 26 graduation marks.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
With reference to Fig. 1-5, a kind of carbon brush resistivity measurement tooling, including pedestal 1, the top of pedestal 1 are proposed in the present embodiment
Portion side is welded with the first plate 2, and the top other side of pedestal 1 offers sliding slot 3, is welded on the two sides inner wall of sliding slot 3 same
A locating rod 4, the outside sliding sleeve of locating rod 4 are equipped with the second plate 5, and the first plate 2 and the second plate 5 side close to each other are opened respectively
Equipped with the first hole 6 and the second hole 7, limit hole 8 is offered in the top inner wall in the first hole 6 and the second hole 7, is slided in limit hole 8
Dynamic to be equipped with slide bar 9, the bottom end of slide bar 9 extends to the lower section of limit hole 8 and is welded with mounting plate 10, and the bottom of mounting plate 10 is solid
Surely it is pasted with the first rubber pad 11, the outside movable sleeve of slide bar 9 is equipped with the first spring 12, the top inner wall and second in the first hole 6
Top of the top inner wall in hole 7 respectively with two the first springs 12 is mutually welded, the bottom end of the first spring 12 and corresponding mounting plate
It mutually welds at 10 top;Limiting slot 18 is offered in the top inner wall in the first hole 6 and the second hole 7, limiting slot 18 is located at first
The top in hole 6 offers rotation hole 13 in the top inner wall of limiting slot 18, shaft 14, shaft is rotatably equipped in rotation hole 13
14 bottom end extends in corresponding limiting slot 18 and is fixedly connected with reel 15, winding and fixed company on two reels 15
Be connected to the same traction rope 16, the outside movable sleeve of traction rope 16 is equipped with second spring 17, the both ends of second spring 17 respectively with
The inner wall of two limiting slots 18 mutually welds, and threaded hole 19,19 internal screw thread of threaded hole peace are offered in the top inner wall of limiting slot 18
Equipped with locking screw rod 20, locking screw rod 20 is matched with corresponding reel 15, in the first hole 6, the second hole 7, limit hole 8, is slided
Bar 9, mounting plate 10, the first rubber pad 11, the first spring 12, the second rubber pad 23 and snap-gauge 24 cooperation under, lift upwards
Snap-gauge 24 on the first plate 2, snap-gauge 24 drive mounting plate 10 to move up by slide bar 9, and mounting plate 10 squeezes the first bullet
Spring 12 simultaneously drives the first rubber pad 11 to move up, and separates the first rubber pad 11 with the second rubber pad 23, by carbon brush to be measured
One end is put into the first hole 6, unclamps this snap-gauge 24, and mounting plate 10 moves down under the elastic force effect of the first spring 12, makes
First rubber pad 11 is pressed down against one end of carbon brush to be measured, makes one end of carbon brush to be measured is firm to be located in the first hole 6, turn
Handwheel 25 on the first plate 2, handwheel 25 are supplied to shaft 14 and one of reel 15 are driven to rotate, and reel 15 rotates
When traction rope 16 is wound up, the other end of traction rope 16 pulls the second plate 5 to mobile close to the direction of the first plate 2, second
Plate 5 can squeeze second spring 17 to confined state;In rotation hole 13, shaft 14, reel 15, traction rope 16, the second bullet
Spring 17, limiting slot 18, threaded hole 19, locking screw rod 20, hemispherical rubber pad 21, bearing 22 and handwheel 25 cooperation under, when
When the central point of traction rope 16 is moved in the first plate 2, turn is located at the knob on the first plate 2, and knob drives locking screw rod 20
It is rotated in threaded hole 19, due to, to be threadedly coupled, making 20 band of locking screw rod between locking screw rod 20 and corresponding threaded hole 19
It moves itself to move down, locking screw rod 20 drives hemispherical rubber pad 21 to move down, until the bottom side of hemispherical rubber pad 21
Be located at the first plate 2 in reel 15 topside contacts and fit closely, the reel 15 being capable of fixing in the first plate 2
Position, make be located at the first plate 2 in reel 15 no longer rotate;In pedestal 1, the first plate 2, sliding slot 3, locating rod 4, the second plate
5, under the cooperation of second spring 17 and graduation mark 26, lifting is located at the snap-gauge 24 on the second plate 5 upwards, makes the another of carbon brush to be measured
For one end strong fix in the second hole 7, opposite direction turn is located at the knob on the first plate 2, and knob drives locking screw rod 20 to rotate,
The drive of locking screw rod 20 itself moves up, and the drive hemispherical rubber pad 21 of locking screw rod 20 is moved up to be divided with reel 15
From the elastic force of second spring 17 pushes the second plate 5 mobile to the direction far from the first plate 2, and the second plate 5 passes through the first rubber pad 11
It drives the other end of carbon brush to be measured mobile to the direction far from the first plate 2, so that carbon brush to be measured is unfolded, carbon brush to be measured is expanded to
When maximum length, the distance at carbon brush both ends to be measured can be read by the graduation mark 26 in locating rod 4, take a multimeter, it will
The both ends of multimeter are connected to the both ends of carbon brush to be measured, the resistance value between carbon brush both ends to be measured are measured, in conjunction with to be measured
Length between carbon brush both ends can quickly calculate the resistivity of carbon brush to be measured;The present invention has rational design, and practicability is high, energy
Enough by carbon brush rapid deployment to be measured, the length of carbon brush to be measured can be quickly measured after carbon brush to be measured expansion, measures carbon brush to be measured
Resistance after the resistivity of carbon brush to be measured can quickly be calculated, be easy to use.
In the present embodiment, the bottom end of locking screw rod 20 extends in corresponding limiting slot 18 and fixation is pasted with hemispherical rubber
Rubber mat 21, hemispherical rubber pad 21 are matched with the top of corresponding reel 15, and the top of locking screw rod 20 extends to second
The top of plate 5 is simultaneously welded with knob, and the top of shaft 14 extends to the top of knob and is fixedly connected with handwheel 25, shaft 14
Outside fixing sleeve is equipped with bearing 22, and the outer ring of bearing 22 is mutually welded with the side wall of corresponding rotation hole 13, and the top of slide bar 9 is prolonged
It extends to the top of the second plate 5 and is welded with snap-gauge 24, the bottom side in the first hole 6 is opening setting, the top side of pedestal 1 and second
It is fixed in the bottom interior wall in hole 7 to be pasted with the second rubber pad 23, the bottom of the first rubber pad 11 and corresponding second rubber pad
23 top is in contact, and the side of the second plate 5 offers slide opening compatible with locating rod 4, and locating rod 4 and slide opening sliding connect
It connects, the top side of locating rod 4 is equipped with multiple graduation marks 26, and the equidistantly interval setting of multiple graduation marks 26, hemispherical rubber pad 21
Diameter it is identical as the diameter of locking screw rod 20, in the first hole 6, the second hole 7, limit hole 8, slide bar 9, mounting plate 10, the first rubber
Rubber mat 11, the first spring 12, the second rubber pad 23 and snap-gauge 24 cooperation under, lifting is located at the snap-gauge on the first plate 2 upwards
24, snap-gauge 24 drives mounting plate 10 to move up by slide bar 9, and mounting plate 10 squeezes the first spring 12 and drives the first rubber pad
11 move up, and separate the first rubber pad 11 with the second rubber pad 23, and one end of carbon brush to be measured is put into the first hole 6, pine
This snap-gauge 24 is opened, mounting plate 10 moves down under the elastic force effect of the first spring 12, is pressed down against the first rubber pad 11
One end of carbon brush to be measured makes one end of carbon brush to be measured is firm to be located in the first hole 6, and turn is located at the handwheel on the first plate 2
25, handwheel 25 is supplied to shaft 14 and one of reel 15 is driven to rotate, and reel 15 winds traction rope 16 when rotating
Come, the other end of traction rope 16 pulls the second plate 5 to close to the movement of the direction of the first plate 2, and the second plate 5 can squeeze second spring
17 to confined state;In rotation hole 13, shaft 14, reel 15, traction rope 16, second spring 17, limiting slot 18, threaded hole
19, under the cooperation of locking screw rod 20, hemispherical rubber pad 21, bearing 22 and handwheel 25, when the central point of traction rope 16 is mobile
When in the first plate 2, turn is located at the knob on the first plate 2, and knob drives locking screw rod 20 to rotate in threaded hole 19, due to
To be threadedly coupled between locking screw rod 20 and corresponding threaded hole 19, move down the drive of locking screw rod 20 itself, locking spiral shell
Bar 20 drives hemispherical rubber pad 21 to move down, until the bottom side of hemispherical rubber pad 21 and the coiling being located in the first plate 2
The topside contacts of wheel 15 simultaneously fit closely, and are capable of fixing the position of the reel 15 in the first plate 2, make to be located at the first plate 2
Interior reel 15 no longer rotates;In pedestal 1, the first plate 2, sliding slot 3, locating rod 4, the second plate 5, second spring 17 and graduation mark
Under 26 cooperation, lifting is located at the snap-gauge 24 on the second plate 5 upwards, makes the other end strong fix of carbon brush to be measured in the second hole
In 7, opposite direction turn is located at the knob on the first plate 2, and knob drives locking screw rod 20 to rotate, locking screw rod 20 drive itself to
Upper movement, locking screw rod 20 drive hemispherical rubber pad 21 to move up and separate with reel 15, and the elastic force of second spring 17 pushes away
Dynamic second plate 5 is mobile to the direction far from the first plate 2, and the second plate 5 drives the other end of carbon brush to be measured by the first rubber pad 11
It is mobile to the direction far from the first plate 2, so that carbon brush to be measured is unfolded, when carbon brush to be measured is expanded to maximum length, passes through positioning
Graduation mark 26 on bar 4 can read the distance at carbon brush both ends to be measured, take a multimeter, the both ends of multimeter are separately connected
At the both ends of carbon brush to be measured, the resistance value between carbon brush both ends to be measured is measured, in conjunction with the length between carbon brush both ends to be measured, energy
The enough resistivity for quickly calculating carbon brush to be measured;The present invention has rational design, and practicability is high, can by carbon brush rapid deployment to be measured,
The length that carbon brush to be measured can be quickly measured after carbon brush to be measured expansion, can quickly calculate after measuring the resistance of carbon brush to be measured
To the resistivity of carbon brush to be measured, it is easy to use.
The present embodiment is also proposed a kind of application method of carbon brush resistivity measurement tooling, comprising the following steps:
S1: lifting is located at the snap-gauge 24 on the first plate 2 upwards first, and snap-gauge 24 drives mounting plate 10 to move up by slide bar 9,
Mounting plate 10 squeezes the first spring 12 and the first rubber pad 11 is driven to move up at this time, so that the first rubber pad 11 and the second rubber
Rubber mat 23 separates, and one end of carbon brush to be measured is put into the first hole 6 at this time, unclamps this snap-gauge 24, mounting plate 10 is in the first bullet
It is moved down under the elastic force effect of spring 12, so that the first rubber pad 11 is pressed down against one end of carbon brush to be measured, so that carbon brush to be measured
One end it is firm be located in the first hole 6, turn at this time is located at the handwheel 25 on the first plate 2, and handwheel 25 is supplied to shaft 14
One of reel 15 is driven to start to rotate, reel 15 can wind up traction rope 16 when rotating, at this time traction rope
16 other end pulls the second plate 5 to mobile close to the direction of the first plate 2, and the second plate 5 can squeeze second spring 17 to being pressed
Contracting state;
S2: when the central point of traction rope 16 is moved in the first plate 2, turn at this time is located at the knob on the first plate 2, knob band
Dynamic locking screw rod 20 rotates in threaded hole 19, due to, to be threadedly coupled, making between locking screw rod 20 and corresponding threaded hole 19
It obtains the drive of locking screw rod 20 itself to move down, locking screw rod 20 drives hemispherical rubber pad 21 to move down at this time, until half
The bottom side of spherical rubber pad 21 be located at the first plate 2 in reel 15 topside contacts and fit closely, be capable of fixing and be located at
The position of reel 15 in first plate 2, so that the reel 15 being located in the first plate 2 no longer rotates;
S3: lifting is located at the snap-gauge 24 on the second plate 5 upwards, so that the other end strong fix of carbon brush to be measured is in the second hole 7,
Opposite direction turn is located at the knob on the first plate 2, and knob drives locking screw rod 20 to start to rotate, locking screw rod 20 drive itself to
Upper movement, locking screw rod 20 drive hemispherical rubber pad 21 to move up and separate with reel 15, at this time the bullet of second spring 17
It is mobile to the direction far from the first plate 2 to push dynamic second plate 5, the second plate 5 drives the another of carbon brush to be measured by the first rubber pad 11
One end is mobile to the direction far from the first plate 2, and carbon brush to be measured is unfolded, when carbon brush to be measured is expanded to maximum length,
The distance that carbon brush both ends to be measured can be read by the graduation mark 26 in locating rod 4 takes a multimeter, by multimeter at this time
Both ends are connected to the both ends of carbon brush to be measured, the resistance value between carbon brush both ends to be measured can be measured, in conjunction with carbon brush to be measured
Length between both ends can quickly calculate the resistivity of carbon brush to be measured.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.