CN110631822B - Electromagnetic relay parameter automatic measuring device - Google Patents
Electromagnetic relay parameter automatic measuring device Download PDFInfo
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- CN110631822B CN110631822B CN201910986378.6A CN201910986378A CN110631822B CN 110631822 B CN110631822 B CN 110631822B CN 201910986378 A CN201910986378 A CN 201910986378A CN 110631822 B CN110631822 B CN 110631822B
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 21
- 238000011326 mechanical measurement Methods 0.000 claims description 18
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses an electromagnetic relay parameter automatic measuring device, which consists of a bottom plate, a measuring assembly, a clamping assembly, a servo motor and a control box, wherein the measuring assembly and the clamping assembly are sequentially arranged on the bottom plate from left to right, the clamping assembly is arranged at the left end of the bottom plate, and a relay to be measured is clamped between two clamping blocks; the measuring assembly is a mechanical and distance measuring assembly which is arranged in parallel, when the ejector pin of the mechanical measuring instrument just contacts the movable reed, the end face of the measuring head of the distance measuring instrument just contacts the baffle, the control box sends out an instruction of all zeroing of the measuring instrument, then the servo motor is started to drive the measuring rod to move, and then the ejector pin is driven to push the movable reed, when the movable and movable contacts just contact, the servo motor stops working, and at the moment, the corresponding numerical values of the distance and the mechanical measuring instrument are the spring-pressed distance and the counter force of the movable reed. The measuring device provided by the invention has the advantages of simple overall structure, accurate and convenient measurement, simple operation and high efficiency, and can realize automatic detection.
Description
Technical Field
The invention relates to a detection device, in particular to an electromagnetic relay parameter automatic measurement device, and belongs to the technical field of electrical equipment.
Background
In the design and development process of the relay, reasonable setting of various technical parameters is very important and critical, wherein the counter force parameters of the movable reed, namely the rebound distance and the rebound force, directly determine the setting, material selection, shell size and the like of the movable reed of the relay.
The traditional counter force parameter test method is to test the rebound force of the movable reed when the movable reed opens and closes by using the mechanical measuring instrument, one person is responsible for the opening and closing control of the movable reed when the relay is powered on and off, and one person holds the mechanical measuring instrument to test the rebound force of the movable reed when the movable reed is separated, so that the artificial factor of operation is very large, the controllability is not high, the rebound distance is estimated by visual observation, and an accurate numerical value cannot be obtained, so that the traditional measurement method has low measurement precision, high difficulty, long time consumption and inconvenient operation. .
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides an electromagnetic relay parameter automatic measuring device which consists of a bottom plate, a measuring component and a clamping component.
In order to achieve the above purpose, the present invention provides the following technical solutions: an electromagnetic relay parameter automatic measuring device which is characterized in that: the device consists of a bottom plate, a measuring assembly, a clamping assembly, a servo motor and a control box, wherein the measuring assembly and the clamping assembly are sequentially and transversely arranged on the bottom plate at intervals from left to right, a sliding rail of the clamping assembly is fastened at the left end of the bottom plate, a sliding groove is arranged on the sliding rail, an installation seat is fixed on the sliding groove, a clamp is inserted on the installation seat, and the clamp can move up and down on the installation seat; an upper clamping block and a lower clamping block are arranged on the clamp, and the relay to be measured is clamped between the two clamping blocks; the measuring assembly is a mechanical and distance measuring assembly which is arranged in parallel, wherein the mechanical measuring assembly is fastened on the bottom plate through a mounting block, a sliding rail is fixed on the mounting block, a mechanical measuring assembly box is mounted on the sliding rail and moves transversely left and right along the sliding rail, a mechanical measuring instrument is placed in the mechanical measuring assembly box and slides leftwards, and when a measuring thimble props against a movable reed of a tested relay, the counter force of the tested movable reed is automatically displayed on a panel of the mechanical measuring instrument; the distance measuring instrument is fastened on the bottom plate through a fixed seat of the distance measuring assembly, a servo motor is arranged near the distance measuring instrument, and the servo motor realizes fine adjustment of the distance measuring instrument through a rotating mechanism; the upper, lower, left and right positions of the clamping block are adjusted to enable the top needle point of the mechanical measuring instrument to be just contacted with the movable reed, the end face of the measuring head of the distance measuring instrument is just contacted with the baffle, at the moment, the control box sends a command for zeroing the distance measuring instrument and the mechanical measuring instrument, then, the control box sends a command for actuating the servo motor, the servo motor drives the rotating mechanism to rotate the measuring rod of the distance measuring instrument to move, then the dynamic measuring instrument is driven to move, the movable reed is jacked, when the dynamic and static contacts are just contacted, the servo motor stops working, the control box stores measuring data of the distance measuring instrument and the mechanical measuring instrument corresponding to the moment, and the value is the spring-pressed distance and the counter force of the movable reed.
The invention relates to an electromagnetic relay parameter automatic measuring device, wherein the mechanical measuring component box is a rectangular box, wherein a left side plate is extended forwards to form a baffle plate which is matched with the end face of a measuring head of the distance measuring instrument; the bottom of the mechanical measurement assembly box is provided with a sliding groove, the sliding groove is matched with the sliding rail fixed on the bottom plate, the other side plate opposite to the baffle plate is provided with two positioning holes, and the mechanical measurement instrument is fixed in the mechanical measurement assembly box through two positioning bolts, so that the mechanical measurement instrument cannot move back and forth or left and right in the mechanical measurement assembly box; the mechanical measuring instrument is provided with an automatic digital display device for measuring data, and is convenient to use.
The invention relates to an electromagnetic relay parameter automatic measuring device, wherein a fixed seat of a distance measuring assembly is an L-shaped right-angle fixed seat, a horizontal section is a rectangular plate and is fastened with a bottom plate through a bolt, the top of a vertical section is of a semicircular structure, a circular mounting hole is arranged in the middle of the vertical section, and the distance measuring instrument is fixedly mounted through a fastening device; the distance measuring instrument is provided with a linear measuring rod and an automatic digital display device for measuring data, and is convenient to use.
The invention relates to an electromagnetic relay parameter automatic measuring device, wherein a clamping assembly consists of a sliding rail, a sliding block, an installation seat and a clamp, wherein the sliding block is a rectangular strip with a sliding groove in the middle and is matched with the sliding rail; the positioning plate is provided with two strip-shaped adjusting holes, the bolt can fasten the positioning plate and the sliding block in the strip-shaped adjusting holes, so that the fixing of the mounting seat and the sliding block can be realized, and meanwhile, the displacement adjustment of the mounting seat on the sliding block in the front-back direction can be realized; the automatic electromagnetic relay parameter measuring device comprises a mounting wall of a mounting seat, wherein the mounting wall of the mounting seat is provided with two positioning holes, the positioning of the upper and lower positions of a clamp on a fixing plate is realized through bolts of the positioning holes, one surface of the mounting wall, which is matched with the fixing plate, is provided with a sliding groove, the clamp can slide up and down on the mounting wall, the automatic electromagnetic relay parameter measuring device comprises the fixing plate, a guide pillar mounting block, a guide pillar, a clamping block, an adjusting bolt, a reset spring, a locking pin and a pressing block, the fixing plate is a rectangular plate with an H-shaped structure, two sliding strips are clamped in the sliding groove in front of and behind the surface corresponding to the sliding groove of the mounting wall, the upper and lower ends of the fixing plate are symmetrically provided with a pair of rectangular positioning grooves for positioning the mounting guide pillar mounting block, the guide pillar mounting block is fixed at the upper and lower ends of the fixing plate through bolts, a rectangular strip-shaped locking belt is arranged between the two positioning grooves, and saw teeth are arranged on the locking belt; the left guide pillar and the right guide pillar are respectively fixed between an upper guide pillar installation block and a lower guide pillar installation block, the clamping blocks are inserted on the two guide pillars and can slide up and down, the pressing block is fixed on the installation surface of the clamping blocks through bolts, the pressing block is a rectangular block, a screw hole is arranged in the center and matched with the adjusting bolts, a second-stage stepped hole is arranged in the clamping block, the aperture gradually becomes smaller from top to bottom, the first stepped hole is a counter bore with larger diameter and is used for installing a locking pin with a reset spring, the second stepped hole is a through hole with smaller diameter, the pin can penetrate through the through hole and is matched and locked with the saw teeth of the locking belt of the fixing plate to realize positioning, and a groove is formed in the bottom of the clamping block and matched with the locking belt of the fixing plate.
According to the automatic electromagnetic relay parameter measuring device, the diameter of the screw hole on the pressing block is smaller than that of the first stepped hole of the clamping block, and when the adjusting bolt is screwed down, the bolt penetrates through the screw hole and enters the first stepped hole to press the locking pin; the diameter of the pin cap of the locking pin is smaller than the first stepped hole, but larger than the diameter of the screw hole and the inner diameter of the reset spring, the reset spring is sleeved on the pin, and when the adjusting bolt is unscrewed, the locking pin is reset by means of the elasticity of the reset spring and cannot eject the first stepped hole; the diameter of the second stepped hole is smaller than that of the first stepped hole and smaller than that of the return spring, so that the return spring cannot enter the second stepped hole; the diameter of the second stepped hole is slightly larger than the diameter of the pin of the locking pin, so that the locking pin can freely move up and down in the second stepped hole.
The invention relates to an electromagnetic relay parameter automatic measuring device, wherein the pin end face of a locking pin is of a slope structure, the slope structure is consistent with the saw tooth structure of a locking belt, an adjusting bolt is screwed, the adjusting bolt pushes the locking pin, the locking pin moves, when the bottom end of the locking pin is in contact fit with saw teeth of the locking belt, a clamping block is locked with a fixed plate for positioning, when the adjusting bolt is unscrewed, a reset spring returns to rebound to drive the locking pin to move, the locking pin is separated from the fixed plate, and the clamping block can move up and down on a guide post to realize fine adjustment in the up-down direction.
According to the automatic parameter measuring device for the electromagnetic relay, the protrusions or the saw teeth are arranged on the fastening surface, which is in contact with the relay, of the clamping block, so that products can be clamped conveniently and firmly, and the problems of slipping and the like possibly caused by a smooth surface are avoided.
The electromagnetic relay parameter automatic measuring device comprises a bottom plate, a measuring assembly, a clamping assembly, a servo motor and a control box, wherein the clamping assembly is used for stably clamping a measured relay, a mechanical measuring instrument and a distance measuring instrument are arranged in parallel, a measuring rod of the distance measuring instrument is used for moving the mechanical measuring instrument with power to synchronously operate, the two instruments are set to be in a return-to-zero state in a natural state that a dynamic contact is disconnected, when a thimble of the mechanical measuring instrument pushes against a movable reed until the dynamic contact is combined, the data of the distance measuring instrument is the rebound distance of an animation sheet, and at the moment, the data of the mechanical measuring instrument is the rebound force, so that the measurement is accurate and quick, and the operation is simple; because the servo motor and the automatic control of the control box degree distance measuring instrument are adopted, the device is more convenient to operate.
An electromagnetic relay parameter automatic measuring device, wherein the motor adopts servo motor, can realize to the accurate rotation regulation of measuring stick as required, control more accurately.
According to the relay parameter measurement device, the clamping assembly is provided with the sliding rail, the installation seat is fixed on the sliding block, and the requirements of measurement sizes of products of different types are met through the forward and backward movement of the sliding block on the sliding rail; the positioning plate is provided with an adjusting hole, so that the distance adjustment of the mounting seat in the front-back direction on the sliding block is realized, and the size adjustment of the mounting seat in the front-back direction is further improved, namely secondary fine adjustment; in the up-down direction, the sliding grooves of the mounting seats are matched with the sliding strips on the fixed plates, so that larger displacement adjustment in the up-down direction is realized; the clamping block moves up and down on the guide rail, so that the clamping block is further subjected to up and down fine adjustment in the position range of the fixing seat, and the adjustment requirement of product measurement can be better met.
The invention is further described below with reference to the accompanying drawings.
Drawings
The measuring device of the embodiment of fig. 1 is shown in the working principle of fig. 1 (return to zero state).
The working principle of the measuring device according to the embodiment of fig. 2 is shown in fig. 2 (dynamic and static contact combined state).
Fig. 3 is an exploded view of the embodiment clamp.
The embodiment of fig. 4 is a schematic diagram of a locking and positioning structure of the clamping block and the fixing plate.
In the figure: 1a bottom plate, 21 a mounting block, 22 a sliding rail, 23 a mechanical measurement assembly box, 24 a baffle, 25 a positioning hole, 26 a mechanical measurement instrument, 261 a thimble, 262 an automatic digital display device, 31 a distance measurement instrument, 311 a measurement rod, 312 an automatic digital display device, 32 a fixed seat, 321 a mounting hole, 4 a sliding rail, 5 a sliding block, 6a mounting seat, 61 a positioning plate, 611 a regulating hole, 62 a mounting wall, 621 a sliding groove, 7a clamp, 71 a fixed plate, 711 a sliding strip, 712 a locking belt, 7121 saw teeth, 72 a guide pillar mounting block, 73 a guide pillar, 74 a clamping block, 741 a groove, 742 a secondary stepped hole, 743 a fastening surface, 75 a regulating bolt, 76 a reset spring, 77 a locking pin, 78 a press block, 8 a relay, 81a movable reed, 82a movable contact, 83 a fixed contact, 9 a control box and 10 a servo motor.
The embodiment provides an electromagnetic relay parameter automatic measuring device, comprises bottom plate 1, measurement subassembly and clamping subassembly, and device overall structure is succinct, and it is accurate, convenient to measure, easy operation, and is efficient, can fine satisfy actual detection's needs.
As shown in fig. 1 and 2, the automatic electromagnetic relay parameter measuring device in this embodiment is composed of a base plate 1, a measuring component, a clamping component, a servo motor 10 and a control box 9, wherein the measuring component and the clamping component are sequentially and transversely arranged on the base plate 1 at intervals from left to right, a sliding rail 4 of the clamping component is fastened at the left end of the base plate 1, a sliding groove 5 is arranged on the sliding rail 4, an installation seat 6 is fixed on the sliding groove 5, a clamping tool 7 is inserted on the installation seat 6, and the clamping tool 7 can move up and down on the installation seat 6; the clamp 7 is provided with an upper clamping block and a lower clamping block 74, and the relay 8 to be measured is clamped between the two clamping blocks 74; the measuring assembly comprises a mechanical measuring assembly and a distance measuring assembly, wherein the mechanical measuring assembly is fastened on the bottom plate 1 through a mounting block 21, a sliding rail 22 is fixed on the mounting block 21, a mechanical measuring assembly box 23 is mounted on the sliding rail 22 and moves transversely left and right along the sliding rail 22, a mechanical measuring instrument 26 is placed in the mechanical measuring assembly box 23, the mechanical measuring instrument 26 slides leftwards, and when a measuring thimble 261 props against a movable reed 81 of the tested relay 8, the counterforce of the tested movable reed 81 is automatically displayed on a panel of the mechanical measuring instrument 26; a distance measuring assembly arranged transversely in parallel with the mechanical measuring assembly, wherein the distance measuring instrument 31 is fastened on the base plate 1 through a fixing seat 32 of the distance measuring assembly; a servo motor 10 is arranged near the distance measuring instrument 31, and the servo motor 10 realizes fine adjustment of the distance measuring instrument 31 through a rotating mechanism; the vertical and horizontal positions of the clamping block 74 are adjusted to enable the tip of the ejector pin 261 of the mechanical measuring instrument 26 to be just contacted with the movable reed 81, the end face of the measuring head of the distance measuring instrument 31 is just contacted with the baffle plate 24, at the moment, the control box 9 sends out an instruction for zeroing the distance measuring instrument 31 and the mechanical measuring instrument 26, then, the control box 9 sends out an instruction for the servo motor 10 to act, the servo motor 10 drives the rotating mechanism to rotate the measuring rod 311 of the distance measuring instrument 31, then the dynamic measuring instrument 26 is driven to move, the movable reed 81 is pushed and pressed, when the movable contact 82 is just contacted with the fixed contact 83, the servo motor 10 stops working, and the control box 9 stores measured data of the distance measuring instrument 31 and the mechanical measuring instrument 26 corresponding to the moment, and the measured data are the distance and the magnitude of the counter force of the spring 81.
The electromagnetic relay parameter automatic measuring device according to the present embodiment, wherein the mechanical measuring component box 23 is a rectangular box, wherein a left side plate is extended forward to form a baffle 24, and is matched with the end face of the measuring head of the distance measuring instrument 31; a sliding groove is arranged at the bottom of the mechanical measurement assembly box 23, the sliding groove is matched with the sliding rail 22 fixed on the bottom plate 1, two positioning holes 25 are arranged on the other side plate opposite to the baffle plate 24, and the mechanical measurement instrument 26 is fixed in the mechanical measurement assembly box 23 through two positioning bolts, so that the mechanical measurement instrument 26 can not move back and forth or left and right in the mechanical measurement assembly box 23; wherein the mechanical measuring instrument 26 is provided with an automatic digital display device 262 of the measured data, which is convenient to use.
According to the electromagnetic relay parameter automatic measuring device, the 32 fixing seat of the distance measuring assembly is an L-shaped right-angle fixing seat, the horizontal section is a rectangular plate and is fastened with the bottom plate 1 through bolts, the top of the vertical section is of a semicircular structure, a circular mounting hole 321 is formed in the middle of the vertical section, the distance measuring instrument 31 is fixedly mounted through the fastening device, and levelness and verticality can be guaranteed by adopting the right-angle fixing seat, so that the measuring accuracy and the error are small; the distance measuring instrument 31 is provided with a linear measuring rod 311 and an automatic measuring data digital display device 312, and is convenient to use.
The embodiment of the automatic electromagnetic relay parameter measuring device is characterized in that the clamping assembly consists of a sliding rail 4, a sliding block 5, a mounting seat 6 and a clamp 7, wherein the sliding block 5 is a rectangular strip with a sliding groove in the middle and is matched with the sliding rail 4; the positioning plate 61 is provided with two strip-shaped adjusting holes 611, and the bolts can fasten the positioning plate 61 and the sliding block 5 in the strip-shaped adjusting holes 611, so that the fixing of the mounting seat 6 and the sliding block 5 can be realized, and meanwhile, the displacement adjustment of the mounting seat 6 on the sliding block 5 in the front-back direction can be realized; two positioning holes are formed in the mounting wall 62 of the mounting seat 6, the positioning of the upper and lower positions of the clamp 7 on the fixing plate 71 is realized through bolts of the positioning holes, a sliding groove 621 is formed in one surface of the mounting wall 62 matched with the fixing plate 71, and the clamp 7 can slide up and down on the mounting wall 62; as shown in fig. 3 and fig. 4, the automatic electromagnetic relay parameter measuring device according to the present embodiment includes a fixture 7, which includes a fixing plate 71, a guide pillar mounting block 72, a guide pillar 73, a clamping block 74, an adjusting bolt 75, a return spring 76, a locking pin 77, and a pressing block 78, wherein the fixing plate 71 is a rectangular plate with an H-shaped structure, two sliding strips 711 are clamped in the sliding grooves 621 in front and behind a surface corresponding to the sliding grooves 621 of the mounting wall 62, so as to realize the up-and-down movement of the fixture 7, a pair of rectangular positioning grooves are symmetrically provided at the upper and lower ends of the fixing plate 71, and are used for positioning the mounting guide pillar mounting block 72, the guide pillar mounting block 72 is fixed at the upper and lower ends of the fixing plate 71 by bolts, a rectangular strip-shaped locking belt 712 is provided between the two positioning grooves, and the locking belt 712 is provided with saw teeth 7121; a circular guide post 73 is fixed between the upper guide post mounting block 72 and the lower guide post mounting block 72, a clamping block 74 is inserted on the two guide posts 73 and can slide up and down, a pressing block 78 is fixed on the mounting surface of the clamping block 74 through a bolt, the pressing block 78 is a rectangular block, a screw hole is arranged in the center and matched with the adjusting bolt 75, a secondary stepped hole 742 is arranged in the clamping block 74, the hole diameter is gradually reduced from top to bottom, a first stepped hole is a counter bore with larger diameter and is used for mounting a locking pin 77 with a reset spring 76, a second stepped hole is a through hole with smaller diameter, and the pin can pass through the through hole and is matched with and locked with a saw tooth of a locking belt 712 of the fixing plate 71 to realize positioning; the bottom of the clamping block 74 is provided with a groove 741 which is matched with the locking belt 712 of the fixing plate 71.
In the electromagnetic relay parameter automatic measurement device according to the present embodiment, the diameter of the screw hole on the pressing block 78 is smaller than the diameter of the first stepped hole of the clamping block 74, when the adjusting bolt 75 is screwed down, the bolt passes through the screw hole and enters the first stepped hole to press the locking pin 77; the diameter of the pin cap of the locking pin 77 is smaller than the first stepped hole, but larger than the diameter of the screw hole and the inner diameter of the return spring 76, the return spring 76 is sleeved on the pin, and when the adjusting bolt 75 is unscrewed, the locking pin 77 is reset by means of the elasticity of the return spring 76, so that the first stepped hole cannot be ejected; the second stepped bore diameter is smaller than the first stepped bore and smaller than the diameter of the return spring 76, ensuring that the return spring 76 does not enter the second stepped bore; the diameter of the second stepped hole is slightly larger than the diameter of the pin of the locking pin 77, so that the locking pin 77 can move up and down freely in the second stepped hole.
According to the electromagnetic relay parameter automatic measuring device disclosed by the embodiment of the invention, the pin end face of the locking pin 77 is of a slope structure, the slope structure is consistent with the structure of the saw teeth 7121 of the locking belt 712, the adjusting bolt 75 is screwed, the adjusting bolt pushes the locking pin 77, the locking pin 77 moves, when the bottom end of the locking pin 77 is in contact fit with the saw teeth 7121 of the locking belt 712, the clamping block 74 is locked and positioned with the fixed plate 71, when the adjusting bolt 75 is unscrewed, the reset spring 76 is reset and rebounded to drive the locking pin 77 to move, and the clamping block 74 is separated from the fixed plate 71, and can move up and down on the guide post 73 to realize fine adjustment in the up-down direction.
According to the electromagnetic relay parameter automatic measuring device disclosed by the embodiment of the invention, the fastening surface 743 of the clamping block 74, which is contacted with the relay 8, is provided with the protrusions or the saw teeth, so that a product is conveniently and firmly clamped, and the slipping problem caused by a smooth surface is avoided.
The present embodiment is provided for illustrating the present invention and not for limiting the present invention, and those skilled in the art may make corresponding modifications and variations within the spirit and scope of the present invention, so any equivalent embodiment falls within the scope of the present invention.
Claims (4)
1. An electromagnetic relay parameter automatic measuring device which is characterized in that: the device consists of a bottom plate, a measuring assembly, a clamping assembly, a servo motor and a control box, wherein the measuring assembly and the clamping assembly are sequentially and transversely arranged on the bottom plate at intervals from left to right, a sliding rail of the clamping assembly is fastened at the left end of the bottom plate, a sliding groove is arranged on the sliding rail, an installation seat is fixed on the sliding groove, a clamp is inserted on the installation seat, and the clamp can move up and down on the installation seat; an upper clamping block and a lower clamping block are arranged on the clamp, and the relay to be measured is clamped between the two clamping blocks; the measuring assembly is a mechanical and distance measuring assembly which is arranged in parallel, wherein the mechanical measuring assembly is fastened on the bottom plate through a mounting block, a sliding rail is fixed on the mounting block, a mechanical measuring assembly box is mounted on the sliding rail and moves transversely left and right along the sliding rail, a mechanical measuring instrument is placed in the mechanical measuring assembly box and slides leftwards, and when a measuring thimble props against a movable reed of a tested relay, the counter force of the tested movable reed is automatically displayed on a panel of the mechanical measuring instrument; The distance measuring instrument is fastened on the bottom plate through a fixed seat of the distance measuring assembly, a servo motor is arranged near the distance measuring instrument, and the servo motor realizes fine adjustment of the distance measuring instrument through a rotating mechanism; The upper, lower, left and right positions of the clamping block are adjusted to enable the top needle point of the mechanical measuring instrument to be just contacted with the movable reed, the end face of the measuring head of the distance measuring instrument is just contacted with the baffle, at the moment, the control box sends a command for zeroing the distance measuring instrument and the mechanical measuring instrument, then, the control box sends a command for actuating the servo motor, the servo motor drives the rotating mechanism to rotate the measuring rod of the distance measuring instrument to move, the dynamic measuring instrument is further driven to move, the movable reed is jacked, when the movable and static contacts are just contacted, the servo motor stops working, the control box stores measuring data of the distance measuring instrument and the mechanical measuring instrument corresponding to the moment, and the measuring data is the spring-pressed distance and the counter force of the movable reed; the clamping assembly consists of a sliding rail, a sliding block, a mounting seat and a clamp, wherein the sliding block is a rectangular strip with a sliding groove in the middle and is matched with the sliding rail; the positioning plate is provided with two strip-shaped adjusting holes, the bolt can fasten the positioning plate and the sliding block in the strip-shaped adjusting holes, so that the fixing of the mounting seat and the sliding block can be realized, and meanwhile, the displacement adjustment of the mounting seat on the sliding block in the front-back direction can be realized; the mounting wall of the mounting seat is provided with two positioning holes, the positioning of the upper and lower positions of the clamp on the fixing plate is realized through bolts of the positioning holes, one surface of the mounting wall matched with the fixing plate is provided with a sliding groove, and the clamp can slide up and down on the mounting wall; The fixture comprises a fixing plate, a guide column installation block, a guide column, a clamping block, an adjusting bolt, a reset spring, a locking pin and a pressing block, wherein the fixing plate is a rectangular plate with an H-shaped structure, two sliding strips are clamped in the sliding grooves in front of and behind the sliding grooves of the installation wall to realize the up-and-down movement of the fixture, a pair of rectangular positioning grooves are symmetrically arranged at the upper end and the lower end of the fixing plate and used for positioning and installing the guide column installation block, the guide column installation block is fixed at the upper end and the lower end of the fixing plate through bolts, a rectangular strip-shaped locking belt is arranged between the two positioning grooves, and saw teeth are arranged on the locking belt; The left guide pillar and the right guide pillar are respectively fixed between an upper guide pillar installation block and a lower guide pillar installation block, the clamping blocks are inserted on the two guide pillars and can slide up and down, the pressing block is fixed on the installation surface of the clamping blocks through bolts, the pressing block is a rectangular block, a screw hole is arranged in the center and matched with the adjusting bolts, a second-stage stepped hole is arranged in the clamping block, the aperture gradually becomes smaller from top to bottom, the first stepped hole is a counter bore with larger diameter and is used for installing a locking pin with a reset spring, the second stepped hole is a through hole with smaller diameter, the pin can penetrate through the through hole and is matched and locked with the saw teeth of the locking belt of the fixed plate to realize positioning, and a groove is formed in the bottom of the clamping block and matched with the locking belt of the fixed plate; the diameter of the screw hole on the pressing block is smaller than that of the first stepped hole of the clamping block, and when the adjusting bolt is screwed down, the bolt penetrates through the screw hole and enters the first stepped hole to press the locking pin; the diameter of the pin cap of the locking pin is smaller than the first stepped hole, but larger than the diameter of the screw hole and the inner diameter of the reset spring, the reset spring is sleeved on the pin, and when the adjusting bolt is unscrewed, the locking pin is reset by means of the elasticity of the reset spring and cannot eject the first stepped hole; the diameter of the second stepped hole is smaller than that of the first stepped hole and smaller than that of the return spring, so that the return spring cannot enter the second stepped hole; the diameter of the second stepped hole is slightly larger than the diameter of the pin of the locking pin, so that the locking pin can freely move up and down in the second stepped hole; The mechanical measurement assembly box is a rectangular box, wherein a left side plate is extended forwards to form a baffle plate which is matched with the end face of the measuring head of the distance measuring instrument; the bottom of the mechanical measurement assembly box is provided with a sliding groove, the sliding groove is matched with the sliding rail fixed on the bottom plate, the other side plate opposite to the baffle plate is provided with two positioning holes, and the mechanical measurement instrument is fixed in the mechanical measurement assembly box through two positioning bolts, so that the mechanical measurement instrument cannot move back and forth or left and right in the mechanical measurement assembly box; the mechanical measuring instrument is provided with an automatic digital display device for measuring data, and is convenient to use.
2. The electromagnetic relay parameter automatic measurement apparatus according to claim 1, wherein: the fixing seat of the distance measuring assembly is an L-shaped right-angle fixing seat, the horizontal section is a rectangular plate and is fastened with the bottom plate through bolts, the top of the vertical section is of a semicircular structure, a circular mounting hole is formed in the middle of the vertical section, the distance measuring instrument is fixedly mounted through the fastening device, and levelness and verticality can be guaranteed by adopting the right-angle fixing seat, measurement accuracy is low, and errors are small; the distance measuring instrument is provided with a linear measuring rod and an automatic digital display device for measuring data, and is convenient to use.
3. The electromagnetic relay parameter automatic measurement apparatus according to claim 1, wherein: the pin terminal surface of locking pin is a slope type structure, this slope type structure with the sawtooth structure of locking area is unanimous, screws adjusting bolt, and adjusting bolt roof pressure locking pin, the locking pin removes, when the sawtooth contact cooperation of locking pin bottom and locking area, the clamp block with the fixed plate lock is fixed a position, when unscrewing adjusting bolt, reset spring resumes and kick-backs, drives the locking pin removes, with the fixed plate is separated, the clamp block can be in do the oscilaltion on the guide pillar, realizes the fine setting of upper and lower direction.
4. The electromagnetic relay parameter automatic measurement apparatus according to claim 1, wherein: the fastening surface of the clamping block, which is in contact with the relay, is provided with bulges or saw teeth, so that a product is conveniently and firmly clamped, and the slipping problem caused by a smooth surface is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986378.6A CN110631822B (en) | 2019-10-17 | 2019-10-17 | Electromagnetic relay parameter automatic measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910986378.6A CN110631822B (en) | 2019-10-17 | 2019-10-17 | Electromagnetic relay parameter automatic measuring device |
Publications (2)
| Publication Number | Publication Date |
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| CN110631822A CN110631822A (en) | 2019-12-31 |
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| CN102004009B (en) * | 2010-09-10 | 2012-02-29 | 宁波金海电子有限公司 | Elasticity detecting device of movable reeds and detecting method thereof |
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