CN112014079A - Contactor action range test rack and working method - Google Patents
Contactor action range test rack and working method Download PDFInfo
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- CN112014079A CN112014079A CN202010686245.XA CN202010686245A CN112014079A CN 112014079 A CN112014079 A CN 112014079A CN 202010686245 A CN202010686245 A CN 202010686245A CN 112014079 A CN112014079 A CN 112014079A
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- contactor
- mounting plate
- upright
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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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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to a test rack for the action range of a contactor and a working method, and the test rack comprises a rack body, wherein the rack body is rotatably connected with a mounting plate, the mounting plate is used for fixing the contactor to be tested, the mounting plate is connected with a driving piece fixed on the rack body, distance sensing pieces fixed on the rack body are arranged on the upper part or the lower part of the mounting plate, the distance sensing pieces can detect the distance between the distance sensing pieces and the mounting plate, the distance sensing pieces are connected with a switch piece, the switch piece is connected in a power supply loop of the driving piece, and the distance sensing pieces can control the connection and disconnection of the power supply loop of the driving piece through the switch piece.
Description
Technical Field
The invention relates to the technical field of electric appliance testing, in particular to a contactor action range test bed and a working method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The contactor is divided into an alternating current contactor and a direct current contactor, and the contactor refers to an electric appliance which utilizes a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load. In electrical engineering, since a device capable of rapidly switching off main ac and dc circuits and frequently switching on and off a large current control circuit is used, a motor is often used as a control object, and the device can also be used for controlling electric loads such as a plant equipment, an electric heater, a mother machine, and various electric power units. The contactor not only can switch on and off the circuit, but also has the function of low-voltage release protection. The contactor has large control capacity, is suitable for frequent operation and remote control, and is one of important elements in an automatic control system. After the contactor is produced, an action range test needs to be carried out, the test relates to the test verification of under-voltage, over-voltage, overload and phase failure functions of the contactor, and the installation angle of the contactor has clear requirements. The inventor finds that the installation angle of the contactor in the traditional contactor action range test completely depends on manual operation, and the problems of manual bolt loosening and tightening, inaccurate angle adjustment, high labor intensity and the like are caused during adjustment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a test stand for the action range of a contactor, which can conveniently adjust the installation angle of the contactor and has high working efficiency and low labor intensity.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a rack for testing an action range of a contactor, including a rack body, wherein the rack body is rotatably connected with a mounting plate, the mounting plate is used for fixing a contactor to be tested, the mounting plate is connected with a driving member fixed on the rack body, distance sensing members fixed on the rack body are arranged on two sides of the upper portion or the lower portion of the mounting plate, the distance sensing members can detect a distance from the mounting plate, the distance sensing members are connected with a switch member, the switch member is connected in a power supply loop of the driving member, and the distance sensing members can control the conduction and disconnection of the power supply loop of the.
With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where two ends of the mounting plate are respectively provided with a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both rotatably connected to the frame body, and the first rotating shaft or the second rotating shaft is connected to a driving member fixed to the frame body.
With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where the first rotating shaft and the second rotating shaft are coaxially disposed and are respectively disposed at middle positions of two ends of the mounting plate.
In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, the driving member employs a single-phase motor, a motor casing of the single-phase motor is fixed on the frame body, and an output shaft of the single-phase motor is connected with the mounting plate.
In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, and the distance sensing member is a normally closed proximity switch.
With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where the switching element is an ac contactor, and a main contact of the ac contactor is connected to a power supply loop of the driving element, and the distance sensing element is connected to a power supply loop of a coil of the ac contactor.
With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where the frame body includes a first upright and a second upright, which are arranged in parallel, the first upright and the second upright are rotatably connected to two ends of the mounting plate, and bottom ends of the first upright and the second upright are fixed on the base.
With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, where the mounting plate is provided with a guide rail that is matched with a groove on the back of the contactor to be tested, and the guide rail can be clamped into the groove and clamped and fixed by a buckle that is elastically connected to the back of the contactor.
In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, and a universal wheel with a locking function is installed at the bottom of the frame body.
In a second aspect, an embodiment of the present invention provides a working method of the contactor action range test bed of the first aspect: after the mounting panel is fixed and the contactor to be tested is ready, the driving piece drives the mounting panel to rotate positively or reversely, when the distance between the detection result of the distance sensing piece and the mounting panel reaches a set value, the distance sensing piece controls the action of the switching piece, the switching piece is disconnected with a power supply loop of the driving piece, the driving piece stops working, and the contactor reaches a set installation angle.
The invention has the beneficial effects that:
the test bench provided by the invention is provided with the mounting plate capable of fixing the contactor, the distance sensing piece and the switch piece, the rotating angle of the mounting plate is indirectly detected by sensing the distance from the mounting plate through the distance sensing piece, the disconnection of a power supply loop of the driving piece is realized by controlling the switch piece, the mounting plate is stopped after rotating a set angle, the automatic control of the mounting angle of the contactor is realized, the control of the mounting angle is accurate, the manual tightening of a bolt is not needed, the working efficiency is improved, and the labor intensity of workers is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a side view of the whole structure of embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of the working principle of embodiment 2 of the present invention;
the device comprises a base 1, a first upright post 2, a second upright post 3, a connecting beam 4, a mounting plate 5, a first rotating shaft 6, a second rotating shaft 7, a first bearing 8, a second bearing 9, a single-phase motor 10, a coupler 11, a normally closed proximity switch 12, an alternating current contactor 13, a forward rotation button 14 and a reverse rotation button 15.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Just as the background art introduces, when current contactor action scope was experimental, need control contactor installation angle through artifical elasticity bolt, the angle modulation is inaccurate, and inefficiency, and intensity of labour is big, to above-mentioned problem, this application has proposed a contactor action scope test bench.
In example 1, as shown in fig. 1 to 2, an exemplary embodiment of the present application relates to a contactor operation range test stand, which includes a stand body, a mounting plate, a driving member, a distance sensing member, a switching member, and other elements.
The support body includes base 1, be fixed with axis parallel arrangement's first stand 2 and second stand 3 on the base, first stand and second stand top utilize tie-beam 4 to connect, form a stable frame construction.
The middle position at 5 both ends of mounting panel is provided with first pivot 6 and second pivot 7 respectively, and first pivot and the coaxial setting of second pivot, first pivot is rotated with first stand through first bearing 8 and is connected, and the second pivot is passed through second bearing 9 and is connected with the rotation of second stand.
In other embodiments, the first rotating shaft and the second rotating shaft may be a whole shaft, and the whole shaft passes through the mounting plate and is fixedly connected with the mounting plate.
In this embodiment, the first upright, the second upright and the connecting beam are all made of channel steel, the first upright is welded and fixed with the connecting beam and the base, the second upright is welded and fixed with the connecting beam and the base, and the surfaces of the first upright, the second upright, the connecting beam, the mounting plate and the base are all electrostatically sprayed with the anticorrosive coating.
The universal wheel of area lock function is installed to the bottom surface of base, makes things convenient for the removal of whole test bench, and the universal wheel adopts current universal wheel of area lock function of stopping can, and its concrete structure does not describe here in detail.
There is the guide rail through the bolt fastening on the mounting panel, the recess phase-match at guide rail and the contactor back of treating the experiment, the guide rail can be gone into in the recess, treat experimental contactor back still be equipped with rather than elastic connection's buckle, the buckle sets up in the recess top, the effort can be applyed to the guide rail of card income recess to the buckle, realizes the fixed of contactor and guide rail.
Specifically, the top of recess is equipped with the buckle, and the buckle passes through spring and contactor back casing elastic connection, and under the effect of spring, the buckle tip can stretch into the recess through the opening that sets up on the recess cell wall, during the use, promotes the buckle, makes the buckle tip leave the recess, passes through recess and guide rail joint with the contactor, loosens the buckle, and the buckle moves towards the recess direction under the effect of spring, fixes the recess cell wall chucking of guide rail and contactor.
Be fixed with the driving piece on the first stand, in this embodiment, the driving piece adopts single phase motor 10, single phase motor's output shaft passes through shaft coupling 11 and is connected with first pivot, can drive the rotation of first pivot through the shaft coupling.
The single-phase motor is an asynchronous motor which is powered by a 220V alternating-current single-phase power supply to operate, only needs single-phase alternating current, is convenient to use and wide in application, has the advantages of simple structure, low cost, low noise, small interference to a radio system and the like, and can meet the requirements of forward rotation and reverse rotation.
The single-phase motor is connected with a first rotating shaft through a coupler, an output shaft of the single-phase motor is used as a driving shaft, the first rotating shaft is used as a driven shaft, and the coupler is a mechanical part which is used for firmly connecting the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. It is usually composed of two halves, which are fastened to the two shaft ends by means of key or tight fit, and then the two halves are connected together. The coupling can compensate the offset (including axial offset, radial offset, angular offset or comprehensive offset) between two shafts caused by inaccurate manufacture and installation, deformation or thermal expansion in work and the like, and can alleviate impact and absorb vibration.
The utility model discloses a single phase motor, including mounting panel, switch piece, mounting panel, distance induction piece, switch piece, mounting panel upper portion position, the both sides of mounting panel upper portion position are provided with apart from the induction part, apart from the induction part and fix on first stand, apart from the induction part with fix the switch spare at first stand and be connected, the switch spare is connected in single phase motor's power supply loop, apart from the induction part can be through switching on and breaking off.
In this embodiment, the distance sensing element is a normally closed proximity switch 12, the switching element is an ac contactor 13, a normally closed contact of the normally closed proximity switch is connected in series in a coil power supply circuit of the ac contactor, and a normally closed contact of the ac contactor is connected in a power supply circuit of the single-phase motor.
And the power supply loop of the coil and the power supply loop of the single-phase motor are both supplied with power by an external power supply.
The normally closed proximity switch is a position switch which is operated without mechanical direct contact with a moving part, when an object is close to an induction area of the proximity switch, the switch can send out an electrical command rapidly without contact, pressure and spark, accurately reflect the position and the stroke of a moving mechanism, and the contact of the proximity switch acts to realize the switching of a circuit, so that the normally closed proximity switch has the advantages of high positioning precision, convenience in installation and adjustment and operation and long service life.
The alternating current contactor is an electric appliance which utilizes the current flowing through a coil to generate a magnetic field to close a contact so as to control a load. A device capable of rapidly cutting off an ac main circuit and frequently turning on and off a large current control circuit is often applied to a motor as a control object.
In this embodiment, the single-phase motor is connected with the controller, the controller is connected with a forward rotation button 14 and a reverse rotation button 15 which are arranged on the first upright post, a worker can send instructions to the controller through the forward rotation button and the reverse rotation button respectively, and the controller controls forward rotation and reverse rotation of the single-phase motor.
The normally closed proximity switch is connected with the controller, and the sensing distance of the normally closed proximity switch can be set through the controller.
Example 2:
as shown in fig. 3, this embodiment discloses a working method of the contactor operation range test bed in embodiment 1:
when forward rake angle installation is required:
fix the contactor on the mounting panel, set for normally closed proximity switch's induction distance through the controller, the staff presses corotation button, single phase motor passes through the shaft coupling and drives first pivot forward rotation, and then drive mounting panel forward rotation through first pivot, normally closed proximity switch real-time detection and the distance of mounting panel, when the distance that obtains that detects reaches the induction distance that the controller set for, normally closed proximity switch's normally closed contact shifts and normally opens, ac contactor's coil loses the power supply, ac contactor's main contact disconnection, single phase motor's power supply circuit disconnection, single phase motor loses the power supply stall, the anteversion installation angle of contactor is adjusted and is accomplished.
When a recline angle installation is required:
fix the contactor on the mounting panel, set for another normally closed proximity switch's induction distance through the controller, the staff presses the reversal button, single phase motor passes through the shaft coupling and drives first pivot antiport, and then drive mounting panel antiport through first pivot, the distance of normally closed proximity switch real-time detection and mounting panel, when the distance that obtains when detecting reaches the induction distance that the controller set for, normally closed proximity switch's normally closed contact shifts and normally opens, ac contactor's coil loses the power supply, ac contactor's main contact disconnection, single phase motor's power supply circuit disconnection, single phase motor loses the power supply stall, the hypsokinesis installation angle regulation of contactor finishes.
In this embodiment, single phase motor can drive the mounting panel and rotate and personally submit arbitrary angle with the level, through the controller adjust normally closed type proximity switch's induction distance value can, and the angle is by adjustable normally closed type proximity switch accurate control, therefore the control of angle is very accurate, satisfies the requirement of accredited testing organization to contactor action range installation angle completely. In the whole adjusting process, workers do not need to tighten or loosen bolts, the working efficiency is high, and the labor intensity is low.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a contactor action scope is rack for experiment, a serial communication port, comprising a frame body, the support body rotates and is connected with the mounting panel, the mounting panel is used for fixed contactor of treating the experiment, the mounting panel is connected with the driving piece of fixing at the support body, the upper portion or the lower part both sides of mounting panel are equipped with the distance response piece of fixing at the support body, can detect the distance with the mounting panel apart from the response piece, be connected with the switch spare apart from the response piece, the switch spare is connected in the power supply loop of driving piece, can pass through switching on and breaking off of switch spare control driving piece.
2. The contactor operation range test bench as claimed in claim 1, wherein the mounting plate has a first rotating shaft and a second rotating shaft at two ends thereof, the first rotating shaft and the second rotating shaft are rotatably connected to the frame body, and the first rotating shaft is connected to a driving member fixed to the frame body.
3. The contactor operation range test bench as claimed in claim 2, wherein the first and second rotating shafts are coaxially disposed and disposed at the middle positions of both ends of the mounting plate, respectively.
4. The contactor operation range test bench of claim 1, wherein the driving member is a single-phase motor, a motor housing of the single-phase motor is fixed on the frame body, and an output shaft of the single-phase motor is connected with the mounting plate.
5. The contactor operation range test bench as claimed in claim 1, wherein the distance sensor is a normally closed proximity switch.
6. The test bench for the action range of the contactor as claimed in claim 1, wherein the switch member is an ac contactor, the main contact of the ac contactor is connected to the power supply circuit of the driving member, and the distance sensing member is connected to the power supply circuit of the coil of the ac contactor.
7. The contactor operation range test bench of claim 1, wherein the frame body comprises a first upright and a second upright which are arranged in parallel, the first upright and the second upright are rotatably connected with two ends of the mounting plate, and bottom ends of the first upright and the second upright are fixed on the base.
8. The contactor operation range test bench as claimed in claim 1, wherein the mounting plate is provided with a guide rail matched with a groove at the back of the contactor to be tested, the guide rail can be clamped into the groove and is clamped and fixed by a buckle elastically connected to the back of the contactor.
9. The contactor operation range test bench of claim 1, wherein the bottom of the frame body is provided with a universal wheel with a locking function.
10. A working method of a test rack for a contactor operation range according to any one of claims 1 to 9, wherein after the mounting plate is fixed with a contactor to be tested, the driving member drives the mounting plate to rotate forward or backward, when the distance from the sensing member to the mounting plate reaches a set value, the distance sensing member controls the operation of the switching member, the switching member disconnects a power supply circuit to the driving member, the driving member stops operating, and the contactor reaches a set installation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686245.XA CN112014079A (en) | 2020-07-16 | 2020-07-16 | Contactor action range test rack and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686245.XA CN112014079A (en) | 2020-07-16 | 2020-07-16 | Contactor action range test rack and working method |
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| CN112014079A true CN112014079A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010686245.XA Pending CN112014079A (en) | 2020-07-16 | 2020-07-16 | Contactor action range test rack and working method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030151A (en) * | 2004-06-16 | 2006-02-02 | Ueno Seiki Kk | Electronic component measuring equipment and electronic component measurement method |
| CN102590741A (en) * | 2012-02-29 | 2012-07-18 | 温州奔龙自动化科技有限公司 | Alternating current contactor automation test equipment |
| CN203117383U (en) * | 2012-12-18 | 2013-08-07 | 天津市百利电气有限公司 | Characteristic testing table for MCCB |
| CN106736078A (en) * | 2016-12-28 | 2017-05-31 | 成都中车电机有限公司 | A kind of AC traction electric motor rotor turning device |
| CN207742307U (en) * | 2017-12-21 | 2018-08-17 | 厦门友格自动化科技有限公司 | A kind of full-automatic D.C. contactor detection device |
-
2020
- 2020-07-16 CN CN202010686245.XA patent/CN112014079A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006030151A (en) * | 2004-06-16 | 2006-02-02 | Ueno Seiki Kk | Electronic component measuring equipment and electronic component measurement method |
| CN102590741A (en) * | 2012-02-29 | 2012-07-18 | 温州奔龙自动化科技有限公司 | Alternating current contactor automation test equipment |
| CN203117383U (en) * | 2012-12-18 | 2013-08-07 | 天津市百利电气有限公司 | Characteristic testing table for MCCB |
| CN106736078A (en) * | 2016-12-28 | 2017-05-31 | 成都中车电机有限公司 | A kind of AC traction electric motor rotor turning device |
| CN207742307U (en) * | 2017-12-21 | 2018-08-17 | 厦门友格自动化科技有限公司 | A kind of full-automatic D.C. contactor detection device |
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