CN110487540A - A kind of gauge check instrument test fixture and its test method - Google Patents

A kind of gauge check instrument test fixture and its test method Download PDF

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Publication number
CN110487540A
CN110487540A CN201910798739.4A CN201910798739A CN110487540A CN 110487540 A CN110487540 A CN 110487540A CN 201910798739 A CN201910798739 A CN 201910798739A CN 110487540 A CN110487540 A CN 110487540A
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CN
China
Prior art keywords
cavity
screw
plate
thimble
cabinet
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Granted
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CN201910798739.4A
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Chinese (zh)
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CN110487540B (en
Inventor
曹岩
范庆明
尹思敏
李琳
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Xian Technological University
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Xian Technological University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/02Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/02Gearings; Transmission mechanisms
    • G01M13/021Gearings

Abstract

The invention discloses a kind of gauge check instrument test fixture and its test methods, including cabinet body, the front side right end screw of the cabinet body is connected with button, the inner cavity bottom end left screw of the cabinet body is connected with PLC controller, and PLC controller and button are electrically connected, screw is connected with axle sleeve at left and right sides of the inner cavity top of the cabinet body, extend the upper surface of cabinet body in the top of the axle sleeve, the inner cavity bottom dead center position screw of the cabinet body is connected with the first hydraulic cylinder, and first hydraulic cylinder and PLC controller be electrically connected, the top of first hydraulic cylinder is connected with bottom plate by flange screw, the round bar with the inner cavity grafting of axle sleeve is mounted at left and right sides of the top of the bottom plate.The device can realize the circular runout of gear of different sizes and measure, and using extensive, and can carry out automatic measurement to gear, high degree of automation is time saving and energy saving, and measurement efficiency is high, is more able to satisfy the demand of gear mass production.

Description

A kind of gauge check instrument test fixture and its test method
Technical field
The present invention relates to gear testing technical field, specially a kind of gauge check instrument test fixture and its test side Method.
Background technique
Gear refers to the mechanical organ for having gear continuously to engage passing movement and power on wheel rim.Gear is divided by its shape Roller gear, bevel gear, non-circular gear, rack gear, worm and wormwheel are widely used in various mechanical equipments.Gear before factory, It must first be detected, to guarantee the transmission accuracy of gear, gear ring circular runout is within the scope of one turn of gear, and gauge head is in tooth socket It is interior or on the gear teeth with double contact in the middle part of tooth height, maximum variation of the gauge head relative to gear axis line.It mainly reflects tooth Take turns kinematic error in because basic circle geometric eccentricity caused by radial error component, be the main project of gear testing.
Gear radial pulsation measurement instrument is the main tool of gear testing, and when detection, staff needs first to manually adjust The cogged shaft of fixing belt, then rotating threaded shaft moves down measuring instrument, makes the tooth socket of the side head insertion gear of measuring instrument It is interior, gear rotation finally is realized, which can to gear circular runout, using rocking handle measures.Currently, existing gear circular runout is surveyed Although amount instrument can complete the detection of gear, the degree of automation is low, and time-consuming and laborious, measurement efficiency is low, it is difficult to cater to gear The demand of mass production.
Summary of the invention
It is above-mentioned to solve the purpose of the present invention is to provide a kind of gauge check instrument test fixture and its test method The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of gauge check instrument test fixture, including Cabinet body, the front side right end screw of the cabinet body are connected with button, and the inner cavity bottom end left screw of the cabinet body is connected with PLC control Device, and PLC controller and button are electrically connected, screw is connected with axle sleeve at left and right sides of the inner cavity top of the cabinet body, described The upper surface of cabinet body is extended on the top of axle sleeve, and the inner cavity bottom dead center position screw of the cabinet body is connected with the first hydraulic oil Cylinder, and the first hydraulic cylinder and PLC controller are electrically connected, the top of first hydraulic cylinder is connected with by flange screw The top left and right sides of bottom plate, the bottom plate is mounted on the round bar with the inner cavity grafting of axle sleeve, and the top of round bar is extended The inner cavity of axle sleeve is equipped with top plate, and screw is connected with support plate, and the top of support plate at left and right sides of the top of the top plate For curved surface, the top left hand of the cabinet body is equipped with the first support base, and the inner cavity of first support base is rotated by bearing to be connected It is connected to the first thimble, the outer ring of the bearing is fixedly connected with the inner cavity of the first support base, the inner ring of the bearing and the first top The outer wall of needle is interference fitted, and the left side top screw of first support base is connected with servo motor, and servo motor and PLC are controlled Device processed is electrically connected, and is locked on the left of the outer wall of the output end of the servo motor and the first thimble by shaft coupling, the cabinet body Top on the right side of symmetrical two guide rails in front and back are installed, be plugged with the first sliding block on the right side of the inner cavity of the guide rail, described first Second support base is installed on the inside of sliding block, the top right center position screw of the cabinet body is connected with the second hydraulic cylinder, And second hydraulic cylinder and PLC controller be electrically connected, the left side of second hydraulic cylinder passes through flange and the second support base The connection of right side bottom end screw, the inner cavity of second support base is rotatably connected to the second thimble by bearing, the bearing Outer ring is fixedly connected with the inner cavity of the second support base, and the outer wall of the inner ring of the bearing and the second thimble is interference fitted, the cabinet The top right screw of body is connected with travel switch, and travel switch is located at the inside left-end of two guide rails, the stroke Switch is electrically connected with PLC controller, is equipped with measuring mechanism on rear side of the bottom plate;
The measuring mechanism includes L shaped plate, U-board, screw rod, knob, plectane, arc groove, guide rod, transverse slat, dial gauge, shell Body, slideway, the second sliding block, spring and kelly;
It is fixedly connected on rear side of the front side of the L shaped plate and bottom plate, on rear side of the bottom end of the U-board and top of L shaped plate It is fixedly connected, screw rod is rotatably connected to by bearing on rear side of the inner cavity upper and lower ends of the U-board, on the outer wall of the screw rod Lower both ends are interference fitted with the inner ring of two bearings respectively, and the outer ring of two bearings is respectively with above and below the inner cavity of U-board two End is fixedly connected, and the upper surface of U-board is extended on the top of the screw rod and the bottom dead center position screw of knob connects, described Plectane is interference fitted in the outer wall top of screw rod and is located at the top of U-board, and the outer wall of the plectane circumferentially offers arc Shape slot, the guide rod are mounted on along the vertical direction on front side of the inner cavity of U-board, and the outer wall center of the screw rod is bolted with and leads The transverse slat of the outer wall socket of bar, front side center and the dial gauge of the transverse slat are spirally connected, and the shell is mounted on the top of U-board The inner cavity upper and lower ends rear side of end front side, the shell offers slideway along the longitudinal direction, inserts on rear side of the inner cavity of the slideway It is connected to the second sliding block, promising second sliding block of the inner cavity grafting of the shell provides the spring to rear side elastic force, before the kelly Side is fixedly connected with the back center position of the second sliding block, extends the rear wall and arc groove of shell on rear side of the kelly Plectane is fixed in inner cavity grafting.
Preferably, the center line of first thimble and the second thimble is in the same horizontal line.
Preferably, several described arc grooves are distributed in the outer wall of plectane continuously in a circumferential.
Preferably, the rear side of the kelly is arcwall face.
The test method of above-mentioned apparatus, includes the following steps,
Shaft equipped with gear under test is put on the supporting plate, starts PLC controller by lower button by step 1, PLC control Device processed controls the second hydraulic cylinder and drives the second support base to the left, and the second support base drives second under the limit of the first sliding block Thimble moves horizontally to the left, is fixedly clamped so that the first thimble be made to cooperate with the second thimble to shaft realization, while second It supports seat and triggers travel switch, travel switch promotes PLC controller to control the starting of the first hydraulic cylinder;
Step 2, the first hydraulic cylinder pull bottom plate to move down, while on the dial gauge and top plate on measuring mechanism Support plate follows bottom plate to move down simultaneously, until PLC controller controls servo motor band in the tooth socket of dial gauge insertion gear Dynamic first thimble rotates a circle, while the first thimble drive shaft and gear rotation, and the gauge head of dial gauge is made by the rotation of gear With moving up and down, gauge head is back and forth contacted with the tooth socket of gear, is observed by the finger of dial gauge for the circular runout of gear, It can realize the test of gear;
Step 3, by lower button, controls the first hydraulic cylinder by PLC controller and pushes bottom when needing to remove gear Plate moves up, so that dial gauge and support plate be made to move back up to initial position, then the second hydraulic cylinder affects second The second thimble mobile playback to the right on support base, releases the fixation to shaft, can will remove with cogged shaft;
Step 4, when needing to adjust the height of dial gauge, knob, promotes screw rod and plectane clockwise or counterclockwise Simultaneously clockwise or counterclockwise, kelly moves forward the fixation released to plectane, the screw rod under the position-limiting action of guide rod Outer wall thread rotation power drive transverse slat moves up or down, and dial gauge follows transverse slat to move up and down, until dial gauge is moved to Desired height, spring driving kelly, which moves backward, brakes screw rod in insertion arc groove, thus realize the height adjustment of dial gauge, Convenient for realizing radial pulsation measurement to outer diameter gear of different sizes.
Preferably, in step 4 kelly to screw rod brake and release braking the specific steps are, when knob drive screw rod, circle Plate and arc groove clockwise or counterclockwise when, arc groove using itself curved surface squeeze kelly rear side arcwall face, promote card Bar can side movement passes through the second ram extrusion spring, with the rotation of plectane, the kelly under the elastic force effect of spring forward automatically It can constantly be contacted with the outer wall of plectane or with arc groove grafting, realize rotating freely and braking for plectane, and then can be to screw rod certainly By braking, it can prevent the mechanical oscillation generated when work from screw rod being caused to rotate.
A kind of gauge check instrument test fixture proposed by the present invention and its test method, beneficial effect are:
1, the present invention is in button, PLC controller, travel switch, the first hydraulic cylinder, the second hydraulic cylinder and servo motor Control under, the fixation and rotation of gear under test can be achieved by the cooperation of the first thimble and the second thimble, dial gauge is to gear Measurement is realized in circular runout, and high degree of automation is time saving and energy saving, and measurement efficiency is high, is more able to satisfy the need of gear mass production It asks;
2, the present invention can adjust the height of dial gauge vertically by measuring mechanism, to enable the gauge head of dial gauge It is properly inserted and is fixed in gear tooth slot of different sizes between the first thimble and the second thimble, it can be to the diameter of gear of different sizes Measurement is realized to bounce, it is practical using extensive.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is front section view of the invention;
Fig. 3 is cut away left side view of the invention;
Fig. 4 is enlarged drawing at A of the invention;
Fig. 5 is plectane top view of the invention;
Fig. 6 is kelly structural schematic diagram of the invention.
In figure: 1, cabinet body, 2, button, 3, PLC controller, 4, axle sleeve, the 5, first hydraulic cylinder, 6, bottom plate, 7, round bar, 8, Top plate, 9, support plate, the 10, first support base, the 11, first thimble, 12, servo motor, 13, guide rail, the 14, first sliding block, 15, Two support bases, the 16, second hydraulic cylinder, the 17, second thimble, 18, travel switch, 19, L shaped plate, 20, U-board, 21, screw rod, 22, knob, 23, plectane, 24, arc groove, 25, guide rod, 26, transverse slat, 27, dial gauge, 28, shell, 29, slideway, 30, second is sliding Block, 31, spring, 32, kelly.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of gauge check instrument test fixture, including cabinet Body 1, the front side right end screw of cabinet body 1 are connected with button 2, and the inner cavity bottom end left screw of cabinet body 1 is connected with PLC controller 3, and PLC controller 3 and button 2 are electrically connected, and screw is connected with axle sleeve 4 at left and right sides of the inner cavity top of cabinet body 1, pass through axle sleeve 4 It is fixed to round bar 7, enable round bar 7 that top plate 8 to be driven vertically to move, the upper surface of cabinet body 1, cabinet are extended in the top of axle sleeve 4 The inner cavity bottom dead center position screw of body 1 is connected with the first hydraulic cylinder 5, and the first hydraulic cylinder 5 and PLC controller 3 are electrical Connection, the top of the first hydraulic cylinder 5 are connected with bottom plate 6 by flange screw, be mounted at left and right sides of the top of bottom plate 6 and The round bar 7 of the inner cavity grafting of axle sleeve 4, and the top of round bar 7 extends the inner cavity of axle sleeve 4 and is equipped with top plate 8, the top of top plate 8 The equal screw in the left and right sides is connected with support plate 9, and the top of support plate 9 is curved surface, and two support plates 9 utilize the song on itself top Face can realize to the shaft equipped with gear under test and fix that the top left hand of cabinet body 1 is equipped with the first support base 10, the first support base 10 inner cavity is rotatably connected to the first thimble 11 by bearing, can be to shaft by the cooperation of the first thimble 11 and the second thimble 17 Realization is fixedly clamped, and the outer ring of bearing is fixedly connected with the inner cavity of the first support base 10, the inner ring of bearing and the first thimble 11 Outer wall interference fit, the left side top screw of the first support base 10 is connected with servo motor 12, and servo motor 12 and PLC are controlled Device 3 is electrically connected, and is locked on the left of the outer wall of the output end of servo motor 12 and the first thimble 11 by shaft coupling, the top of cabinet body 1 End right side is equipped with symmetrical two guide rails 13 in front and back, and the inner cavity of guide rail 13 is dove-tail, improves consolidating to the first sliding block 14 It is qualitative, it is ensured that under the action of the first sliding block 14 15 level of the second support base can move left and right, inserted on the right side of the inner cavity of guide rail 13 It is connected to the first sliding block 14, the inside of the first sliding block 14 is equipped with the second support base 15, the top right center position screw of cabinet body 1 It is connected with the second hydraulic cylinder 16, and the second hydraulic cylinder 16 is electrically connected with PLC controller 3, a left side for the second hydraulic cylinder 16 Side is connect by flange with the right side bottom end screw of the second support base 15, and the inner cavity of the second support base 15 is rotatablely connected by bearing There is the second thimble 17, the outer ring of bearing is fixedly connected with the inner cavity of the second support base 15, the inner ring of bearing and the second thimble 17 Outer wall interference fit, the top right screw of cabinet body 1 is connected with travel switch 18, and travel switch 18 is located at two guide rails 13 Inside left-end drives PLC controller 3 to start, to be able to achieve the continuous motion work of the device, stroke by travel switch 18 Switch 18 and PLC controller 3 are electrically connected, and the rear side of bottom plate 6 is equipped with measuring mechanism;
Measuring mechanism includes L shaped plate 19, U-board 20, screw rod 21, knob 22, plectane 23, arc groove 24, guide rod 25, transverse slat 26, dial gauge 27, shell 28, slideway 29, the second sliding block 30, spring 31 and kelly 32;
The front side of L shaped plate 19 is fixedly connected with the rear side of bottom plate 6, solid with the top of L shaped plate 19 on rear side of the bottom end of U-board 20 The inner cavity upper and lower ends rear side of fixed connection, U-board 20 is rotatably connected to screw rod 21 by bearing, when screw rod 21 is clockwise or inverse When hour hands rotate, screw rod 21 can drive transverse slat 26 to move up or down using the screw thread rotation power of itself, the outer wall of screw rod 21 Upper and lower ends are interference fitted with the inner ring of two bearings respectively, and the outer ring of two bearings is respectively with above and below the inner cavity of U-board 20 two End is fixedly connected, and the top of screw rod 21 is extended the upper surface of U-board 20 and connect with the bottom dead center position screw of knob 22, circle Plate 23 is interference fitted in the outer wall top of screw rod 21 and is located at the top of U-board 20, and the outer wall of plectane 23 circumferentially offers Arc groove 24, guide rod 25 are mounted on along the vertical direction on front side of the inner cavity of U-board 20, are limited by guide rod 25 to transverse slat 26, it is ensured that The phenomenon that transverse slat 26 will not rotate when moving up and down, the outer wall center of screw rod 21 are bolted with the outer wall set with guide rod 25 The transverse slat 26 connect, front side center and the dial gauge 27 of transverse slat 26 are spirally connected, and shell 28 is mounted on front side of the top of U-board 20, Slideway 29 is offered along the longitudinal direction on rear side of the inner cavity upper and lower ends of shell 28, can make the in the position-limiting action modification of slideway 29 The stable back-and-forth motion of two sliding blocks 30, and then the phenomenon that prevent kelly 32 from rotating when moving, on rear side of the inner cavity of slideway 29 It is plugged with the second sliding block 30, promising second sliding block 30 of the inner cavity grafting of shell 28 provides the spring 31 to rear side elastic force, spring 31 For torsional spring, coefficient of elasticity 25N/CM, spring 31 is stretched or generates after squeezing elastic deformation, restores after removing external force To original state, the front side of kelly 32 is fixedly connected with the back center position of the second sliding block 30, and the rear side of kelly 32 extends The inner cavity grafting of the rear wall and arc groove 24 of shell 28 is fixed to plectane 23.
Under be classified as each electrical part model and effect of this case:
Button 2: model LA4-3H starts for control PLC controller 3;
PLC controller 3: model 32MT-2PG is connected with external power supply, controls the first hydraulic cylinder 5, servo motor 12 With the start and stop of the second hydraulic cylinder 16;
First hydraulic cylinder 5: model HOB can drive moving up and down for bottom plate 6;
Servo motor 12: model PLF60, for driving the rotation of the first thimble 11;
Second hydraulic cylinder 16: model HOB can drive the second support base 15 to move left and right;
Travel switch 18: model ZCE02 can control PLC controller 3 to start.
Dial gauge 27: model BG-10, the radial pulsation measurement for gear.
Preferably, further, the center line of the first thimble 11 and the second thimble 17 in the same horizontal line, Ensure that the first thimble 11 can be directed at the shaft centerline equipped with gear under test with the second thimble 17 simultaneously and be fixedly clamped, so as to make Shaft is rotated around own axes.
Preferably, further, several arc grooves 24 are distributed in the outer wall of plectane 23 continuously in a circumferential, lead to It is fixed to plectane 23 convenient for kelly 32 to cross multiple arc grooves 24, and then realizes the fixation of screw rod 21.
Preferably, further, the rear side of kelly 32 is arcwall face, when plectane 23 drives arc groove 24 to do circle When Zhou Yundong, the arcwall face that arc groove 24 can extrude kelly 32 keeps the automatic side forward of kelly 32 mobile.
A kind of gauge check instrument test method, includes the following steps,
Shaft equipped with gear under test is placed in support plate 9 by step 1, starts PLC controller 3 by lower button 2, PLC controller 3 controls the second hydraulic cylinder 16 and drives the second support base 15 to the left, second under the limit of the first sliding block 14 Support seat 15 drives the second thimble 17 to move horizontally to the left, realizes so that the first thimble 11 and the second thimble 17 be made to cooperate to shaft It is fixedly clamped, while the second support base 15 triggers travel switch 18, travel switch 18 promotes the control first of PLC controller 3 hydraulic Oil cylinder 5 starts;
Step 2, the first hydraulic cylinder 5 pulls bottom plate 6 to move down, while dial gauge 27 and top plate 8 on measuring mechanism On support plate 9 simultaneously follow bottom plate 6 to move down, until dial gauge 27 be inserted into gear tooth socket in, PLC controller 3 control Servo motor 12 drives the first thimble 11 to rotate a circle, while 11 drive shaft of the first thimble and gear rotation, dial gauge 27 Gauge head is moved up and down by the turning effort of gear, and gauge head is back and forth contacted with the tooth socket of gear, is directed to tooth by the finger of dial gauge 27 The circular runout of wheel is observed, and can realize the test of gear;
Step 3, by lower button 2, controls the first hydraulic cylinder 5 by PLC controller 3 and pushes when needing to remove gear Bottom plate 6 moves up, so that dial gauge 27 and support plate 9 be made to move back up to initial position, then the second hydraulic cylinder 16 The second thimble 17 mobile playback to the right on the second support base 15 is affected, the fixation to shaft is released, can will have gear Shaft remove;
Step 4, when needing to adjust the height of dial gauge 27, knob 22, promote screw rod 21 clockwise or counterclockwise With plectane 23 while clockwise or counterclockwise, kelly 32 moves forward the fixation released to plectane 23, in the limit of guide rod 25 The outer wall thread rotation power drive transverse slat 26 that position acts on lower screw rod 21 moves up or down, and dial gauge 27 follows about 26 transverse slat Mobile, until dial gauge 27 is moved to desired height, spring 31 drives kelly 32 to move backward in insertion arc groove 24 to screw rod 21 brakings, so that the height adjustment of dial gauge 27 is realized, convenient for realizing radial pulsation measurement to outer diameter gear of different sizes.
In step 4 kelly 32 to screw rod 21 brake and release braking the specific steps are, when knob 22 drive screw rod 21, Plectane 23 and arc groove 24 clockwise or counterclockwise when, arc groove 24 using itself curved surface squeeze kelly 32 rear side arc Face, promotes that kelly 32 can side be mobile forward automatically squeezes spring 31 by the second sliding block 30, with the rotation of plectane 23, in spring 31 elastic force act on lower kelly 32 can constantly contact with the outer wall of plectane 23 or with 24 grafting of arc groove, the freedom of realization plectane 23 Rotation and braking, and then screw rod 21 can freely be braked, it can prevent the mechanical oscillation generated when work from screw rod 21 being caused to rotate.
Its detailed connection means is techniques well known, following mainly to introduce working principle and process, specific works It is as follows.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of gauge check instrument test fixture, including cabinet body (1), it is characterised in that: the front side right end of the cabinet body (1) Screw is connected with button (2), and the inner cavity bottom end left screw of the cabinet body (1) is connected with PLC controller (3), and PLC controller (3) it is electrically connected with button (2), screw is connected with axle sleeve (4), the axis at left and right sides of the inner cavity top of the cabinet body (1) The upper surface of cabinet body (1) is extended on the top of set (4), and the inner cavity bottom dead center position screw of the cabinet body (1) is connected with first Hydraulic cylinder (5), and the first hydraulic cylinder (5) and PLC controller (3) are electrically connected, the top of first hydraulic cylinder (5) It is connected with bottom plate (6) by flange screw, is mounted at left and right sides of the top of the bottom plate (6) and is inserted with the inner cavity of axle sleeve (4) The round bar (7) connect, and the top of round bar (7) is extended the inner cavity of axle sleeve (4) and is equipped with top plate (8), the top of the top plate (8) The equal screw in the left and right sides is connected with support plate (9), and the top of support plate (9) is curved surface, and the top left hand of the cabinet body (1) is pacified Equipped with the first support base (10), the inner cavity of first support base (10) is rotatably connected to the first thimble (11), institute by bearing The outer ring for stating bearing is fixedly connected with the inner cavity of the first support base (10), the outer wall of the inner ring of the bearing and the first thimble (11) Interference fit, the left side top screw of first support base (10) is connected with servo motor (12), and servo motor (12) with PLC controller (3) is electrically connected, and passes through shaft coupling on the left of the output end of the servo motor (12) and the outer wall of the first thimble (11) Device locking, the top right side of the cabinet body (1) are equipped with symmetrical two guide rails (13) in front and back, and the inner cavity of the guide rail (13) is right Side is plugged with the first sliding block (14), is equipped with the second support base (15) on the inside of first sliding block (14), the cabinet body (1) Top right center position screw is connected with the second hydraulic cylinder (16), and the second hydraulic cylinder (16) and PLC controller (3) electricity Property connection, the left side of second hydraulic cylinder (16) connect by flange with the right side bottom end screw of the second support base (15), The inner cavity of second support base (15) is rotatably connected to the second thimble (17) by bearing, the outer ring of the bearing and second The inner cavity of support seat (15) is fixedly connected, and the outer wall of the inner ring of the bearing and the second thimble (17) is interference fitted, the cabinet body (1) Top right screw be connected with travel switch (18), and travel switch (18) be located at two guide rails (13) inside it is left End, the travel switch (18) and PLC controller (3) are electrically connected, and are equipped with measuring mechanism on rear side of the bottom plate (6);
The measuring mechanism includes L shaped plate (19), U-board (20), screw rod (21), knob (22), plectane (23), arc groove (24), guide rod (25), transverse slat (26), dial gauge (27), shell (28), slideway (29), the second sliding block (30), spring (31) and card Bar (32);
It is fixedly connected on rear side of the front side of the L shaped plate (19) and bottom plate (6), the bottom end rear side and L shaped plate of the U-board (20) (19) top is fixedly connected, and is rotatably connected to screw rod by bearing on rear side of the inner cavity upper and lower ends of the U-board (20) (21), the outer wall upper and lower ends of the screw rod (21) are interference fitted with the inner ring of two bearings respectively, two bearings it is outer Ring is fixedly connected with the inner cavity upper and lower ends of U-board (20) respectively, and the upper of U-board (20) is extended on the top of the screw rod (21) Surface is connect with the bottom dead center position screw of knob (22), and the plectane (23) is interference fitted in the outer wall top of screw rod (21) And it is located at the top of U-board (20), the outer wall of the plectane (23) circumferentially offers arc groove (24), the guide rod (25) It is mounted on front side of the inner cavity of U-board (20) along the vertical direction, the outer wall center of the screw rod (21) is bolted with and guide rod (25) transverse slat (26) of outer wall socket, front side center and the dial gauge (27) of the transverse slat (26) are spirally connected, the shell (28) it is mounted on front side of the top of U-board (20), is opened up along the longitudinal direction on rear side of the inner cavity upper and lower ends of the shell (28) Have slideway (29), is plugged with the second sliding block (30) on rear side of the inner cavity of the slideway (29), the inner cavity of the shell (28) is plugged with The spring (31) to rear side elastic force, the front side of the kelly (32) and the rear side of the second sliding block (30) are provided for the second sliding block (30) Center is fixedly connected, and the inner cavity of the rear wall and arc groove (24) that extend shell (28) on rear side of the kelly (32) is inserted It connects fixed to plectane (23).
2. a kind of gauge check instrument test fixture according to claim 1, it is characterised in that: first thimble (11) in the same horizontal line with the center line of the second thimble (17).
3. a kind of gauge check instrument test fixture according to claim 1, it is characterised in that: several described arcs Slot (24) is distributed in the outer wall of plectane (23) continuously in a circumferential.
4. a kind of gauge check instrument test fixture according to claim 1, it is characterised in that: the kelly (32) Rear side is arcwall face.
5. a kind of gauge check instrument test method according to claim 1-4, includes the following steps,
Shaft equipped with gear under test is placed on support plate (9) by step 1, starts PLC controller (3) by lower button (2), PLC controller (3) control the second hydraulic cylinder (16) drives the second support base (15) to the left, the limit in the first sliding block (14) Lower second support base (15) drive the second thimble (17) to move horizontally to the left, to make the first thimble (11) and the second thimble (17) cooperation is fixedly clamped to shaft realization, while the second support base (15) triggering travel switch (18), and travel switch (18) promotees Make PLC controller (3) control the first hydraulic cylinder (5) starting;
Step 2, the first hydraulic cylinder (5) pull bottom plate (6) to move down, while dial gauge (27) and top on measuring mechanism Support plate (9) on plate (8) follows bottom plate (6) to move down simultaneously, until in the tooth socket of dial gauge (27) insertion gear, PLC Controller (3) control servo motor (12) drive the first thimble (11) rotate a circle, while the first thimble (11) drive shaft and Gear rotation, the gauge head of dial gauge (27) are moved up and down by the turning effort of gear, and gauge head is back and forth contacted with the tooth socket of gear, are led to The finger for crossing dial gauge (27) is observed for the circular runout of gear, can realize the test of gear;
Step 3, by lower button (2), is pushed away when needing to remove gear by PLC controller (3) control the first hydraulic cylinder (5) Dynamic bottom plate (6) move up, so that dial gauge (27) and support plate (9) be made to move back up to initial position, then the second liquid Compressing cylinder (16) affects the mobile playback to the right of the second thimble (17) on the second support base (15), releases the fixation to shaft, It can will be removed with cogged shaft;
Step 4, when needing to adjust the height of dial gauge (27), knob (22), promote screw rod clockwise or counterclockwise (21) and plectane (23) simultaneously clockwise or counterclockwise, kelly (32), which moves forward, releases fixation to plectane (23), In Outer wall thread rotation power drive transverse slat (26) of screw rod (21) moves up or down under the position-limiting action of guide rod (25), dial gauge (27) transverse slat (26) is followed to move up and down, until dial gauge (27) are moved to desired height, spring (31) drive kelly (32) to Screw rod (21) are braked in mobile insertion arc groove (24) afterwards, so that the height adjustment of dial gauge (27) is realized, convenient for outer diameter Gear of different sizes realizes radial pulsation measurement.
6. a kind of gauge check instrument test method according to claim 5, it is characterised in that: kelly (32) in step 4 Screw rod (21) are braked and are released braking the specific steps are when knob (22) drive screw rod (21), plectane (23) and arc groove (24) clockwise or counterclockwise when, arc groove (24) squeezes the rear side arcwall face of kelly (32) using itself curved surface, promotes Kelly (32) can side be mobile by the second sliding block (30) extruding spring (31) forward automatically, with the rotation of plectane (23), in bullet The elastic force of spring (31) act on lower kelly (32) can constantly contact with the outer wall of plectane (23) or with arc groove (24) grafting, realize and justify Plate (23) rotating freely and braking, and then can freely brake to screw rod (21), can prevent the mechanical oscillation generated when work from making It is rotated at screw rod (21).
CN201910798739.4A 2019-08-27 2019-08-27 Testing tool for metering and detecting instrument and testing method thereof Active CN110487540B (en)

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* Cited by examiner, † Cited by third party
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DE10044879A1 (en) * 2000-09-12 2002-04-18 Volkswagen Ag Gear teeth measurement device, especially for comprehensive gear topology measurement, has cylindrical worm of width such that it contacts only one edge when meshed with gear wheel
CN201744923U (en) * 2010-06-04 2011-02-16 刘宝利 Pneumatic clamp
CN202177344U (en) * 2011-07-20 2012-03-28 惠州永利通金属制品有限公司 Rotating device for testing radial run-out and face run-out of gear
CN203385552U (en) * 2013-08-12 2014-01-08 浙江中马汽车变速器股份有限公司 Electric engaging device
CN103759936A (en) * 2013-11-11 2014-04-30 浙江台玖精密机械有限公司 Digital two-sided dynamic meshing instrument and detection method
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