CN215217552U

CN215217552U - Device for measuring opening distance and over travel of contactor

Info

Publication number: CN215217552U
Application number: CN202121590512.XU
Authority: CN
Inventors: 吴鸿斌
Original assignee: Tianshui Yongfeng Seiko Electromechanical Co ltd
Current assignee: Tianshui Yongfeng Seiko Electromechanical Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-17
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a contactor opening over-travel measuring device, comprises a workbench, top surface one side of workstation is equipped with the fixing base, and the top surface mounting of fixing base has linear displacement sensor, linear displacement sensor's output fixedly connected with measuring block, and a side surface of measuring block runs through and is equipped with the measuring stick, the one end of measuring stick is equipped with the contact, it is equipped with the dog to run through on the measuring stick, first spring has been cup jointed to the outside surface that the measuring stick is located one side of dog. The utility model discloses in, through the linear displacement sensor who sets up, wherein through displacement sensor direct output displacement data, reduced the error that lead screw, drive mechanism etc. brought, be equivalent to change the open loop detection mode of original mechanism into closed loop test mode, improved the measuring accuracy, reduced mechanical part's required precision, the use is simple and convenient, is favorable to improving the result of use of this device.

Description

Device for measuring opening distance and over travel of contactor

Technical Field

The utility model relates to a contactor technical field especially relates to a contactor opening distance over travel measuring device.

Background

Contactors are classified into alternating current contactors (voltage AC) and direct current contactors (voltage DC), which are applied to electric power, distribution, and utilization. The contactor is 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.

The existing device for measuring the opening distance and the over travel of the contactor has certain limitation when in use, and if the existing device for measuring the opening distance and the over travel of the contactor generally adopts a stepping motor or a servo motor to drive a screw rod to transfer rotary motion into linear displacement, detection signals are extracted through the connection and the disconnection of a contact probe, the structure of the equipment is complex, the precision requirement of a mechanical mechanism is high, the measurement accuracy is low, and the use process is complicated.

Therefore, the contactor opening over-travel measuring device is provided to solve the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, mechanical mechanism required precision is high, at the bottom of the measurement accuracy, and the use is comparatively loaded down with trivial details, and the contactor that provides is opened apart from over-travel measuring device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a device for measuring the opening distance and the over travel of a contactor comprises a workbench, wherein a fixed seat is arranged on one side of the top surface of the workbench, and the top surface of the fixed seat is provided with a linear displacement sensor, the output end of the linear displacement sensor is fixedly connected with a measuring block, a measuring rod is arranged on the surface of one side of the measuring block in a penetrating way, a contact is arranged at one end of the measuring rod, a stop block is arranged on the measuring rod in a penetrating way, a first spring is sleeved on one side of the outer side surface of the measuring rod, which is positioned on the stop block, a baffle plate is arranged on one side of the top surface of the workbench, a side plate is arranged on the surface of one side of the baffle plate, an air cylinder is arranged on the surface of the front end of the side plate, the output end of the air cylinder penetrates through the side plate and is fixedly connected with a fixed plate, a positioning plate is arranged on one side of the fixed plate, and the front end surface of the positioning plate penetrates through the fixing plate to be provided with a guide rod, and a second spring is sleeved on one side, located on the fixing plate, of the outer side surface of the guide rod.

Preferably, the top surface of workstation has seted up the spacing groove, and the inside of spacing groove is equipped with the gag lever post, sliding connection has the stopper on the gag lever post, and the top surface of stopper and the bottom fixed surface of measuring block are connected.

Preferably, the bottom surface of workstation is equipped with the pillar, and the bottom of pillar is equipped with the base.

Preferably, the support is provided with a plurality of supports, and the plurality of supports are evenly distributed at four corners of the bottom surface of the workbench.

Preferably, the bottom surface of the base is provided with a non-slip mat, and the non-slip mat is made of rubber.

Preferably, the workbench is made of stainless steel metal.

Preferably, the number of the side plates is two, and the two side plates are uniformly distributed on one side surface of the baffle plate.

Preferably, the contact is in the same horizontal line as the contactor switch.

Compared with the prior art, the utility model has the advantages that;

1. the utility model discloses, through the linear displacement sensor who sets up, wherein through displacement sensor direct output displacement data, reduced the error that lead screw, drive mechanism etc. brought, be equivalent to change the open loop detection mode of original mechanism into closed loop test mode, improved the measuring accuracy, reduced mechanical part's required precision, use is simple and convenient, is favorable to improving the result of use of this device.

2. The utility model discloses, drive the fixed plate through the cylinder and remove, the cooperation of rethread locating plate, guide arm and second spring is used, can effectively carry out spacing fixed to the contactor on the workstation, prevents when testing the contactor, and the problem of skew is rocked in the contactor emergence on the workstation, has reduced the limitation when using, is convenient for improve the stability of contactor when the test, has further improved the test accuracy to the contactor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a device for measuring the opening and the over travel of a contactor according to the present invention;

fig. 2 is a top view of a side plate and a baffle plate of the device for measuring the opening and the over travel of the contactor according to the present invention;

fig. 3 is the utility model provides a contactor opening distance over travel measuring device's spacing groove, gag lever post schematic structure.

Illustration of the drawings:

1. a work table; 2. a linear displacement sensor; 3. a measuring block; 4. a first spring; 5. a stopper; 6. a measuring rod; 7. a contact; 8. a cylinder; 9. a side plate; 10. a baffle plate; 11. a limiting groove; 12. a limiting rod; 13. a limiting block; 14. a pillar; 15. a base; 16. positioning a plate; 17. a second spring; 18. a fixing plate; 19. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a device for measuring the opening distance and the over travel of a contactor comprises a workbench 1, a fixed seat is arranged on one side of the top surface of the workbench 1, a linear displacement sensor 2 is mounted on the top surface of the fixed seat, a measuring block 3 is fixedly connected to the output end of the linear displacement sensor 2, a measuring rod 6 penetrates through one side surface of the measuring block 3, a contact 7 is arranged at one end of the measuring rod 6, a stop block 5 penetrates through the measuring rod 6, a first spring 4 is sleeved on one side of the stop block 5 on the outer side surface of the measuring rod 6, a baffle plate 10 is arranged on one side of the top surface of the workbench 1, a side plate 9 is arranged on one side surface of the baffle plate 10, a cylinder 8 is mounted on the front end surface of the side plate 9, a fixed plate 18 is fixedly connected to the output end of the cylinder 8, a positioning plate 16 is arranged on one side of the fixed plate 18, and a guide rod 19 is arranged on the front end surface of the positioning plate 16, the outside surface of guide arm 19 is located one side of fixed plate 18 and has cup jointed second spring 17, wherein directly exports displacement data through linear displacement sensor 2, has reduced the error that lead screw, drive mechanism etc. brought, is equivalent to and changes the open-loop detection mode of original mechanism into closed-loop test mode, has improved the measuring accuracy, has reduced mechanical part's required precision, and the use is simple and convenient, is favorable to improving the result of use of this device.

In this embodiment: limiting groove 11 has been seted up on the top surface of workstation 1, and the inside of limiting groove 11 is equipped with gag lever post 12, and sliding connection has stopper 13 on gag lever post 12, and the top surface of stopper 13 and the bottom fixed surface of measuring block 3 are connected.

Specifically, through the cooperation of stopper 13 and gag lever post 12 use, can effectively keep measuring block 3 at the stability of removal in-process, be convenient for test the contactor.

In this embodiment: the bottom surface of the working table 1 is provided with a pillar 14, and the bottom end of the pillar 14 is provided with a base 15.

In particular, the support of the work table 1 by the support column 14 and the base 15 is advantageous for improving the stability of the work table 1.

In this embodiment: the pillars 14 are provided in plurality, and the pillars 14 are uniformly distributed on four corners of the bottom surface of the table 1.

Specifically, the plurality of support columns 14 are used, so that the workbench 1 can be effectively supported, and the stability of the workbench 1 can be improved.

In this embodiment: the bottom surface of the base 15 is provided with a non-slip mat, and the non-slip mat is made of rubber.

Particularly, the anti-slip mat can effectively prevent the base 15 from slipping, and is convenient for improving the stability of the base 15.

In this embodiment: the worktable 1 is made of stainless steel metal.

Particularly, the corrosion-resistant steel has the advantages of corrosion resistance, high stability and long service life.

In this embodiment: the number of the side plates 9 is two, and the two side plates 9 are uniformly distributed on one side surface of the baffle plate 10.

It is specific, wherein drive fixed plate 18 through cylinder 8 on two curb plates 9 and remove, rethread locating plate 16, guide arm 19 and second spring 17's cooperation is used, can effectively carry out spacing fixed to the contactor on the workstation 1, prevents when testing the contactor, and the contactor takes place to rock the problem of skew on workstation 1, has reduced the limitation when using, is convenient for improve the stability of contactor when the test.

In this embodiment: the contact 7 is in the same horizontal line as the contactor switch.

In particular, it is convenient to test the contactor.

In this embodiment: the control panel control circuit can be realized by simple programming of a person skilled in the art, belongs to the common general knowledge in the field, is only used without modification, and therefore, the control mode and the circuit connection are not described in detail.

The working principle is as follows:

during the use, through the direct output displacement data of linear displacement sensor 2, the lead screw has been reduced, the error that drive mechanism etc. brought, be equivalent to change the open loop detection mode of original mechanism into closed loop test mode, the measuring accuracy has been improved, mechanical part's required precision has been reduced, the use is simple and convenient, be favorable to improving the result of use of this device, wherein drive fixed plate 18 through cylinder 8 and remove, rethread locating plate 16, guide arm 19 and second spring 17's cooperation is used, can effectively carry out spacing fixed to the contactor on workstation 1, prevent when testing contactor, the problem of skew takes place to rock on workstation 1 for the contactor, the limitation when using has been reduced, be convenient for improve the stability of contactor when the test, the test accuracy to contactor has further been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The device for measuring the opening distance and the over travel of the contactor comprises a workbench (1) and is characterized in that a fixed seat is arranged on one side of the top surface of the workbench (1), a linear displacement sensor (2) is installed on the top surface of the fixed seat, a measuring block (3) is fixedly connected to the output end of the linear displacement sensor (2), a measuring rod (6) penetrates through the surface of one side of the measuring block (3), a contact (7) is arranged at one end of the measuring rod (6), a stop block (5) penetrates through the measuring rod (6), a first spring (4) is sleeved on the surface of the outer side of the measuring rod (6) and located on one side of the stop block (5), a baffle (10) is arranged on one side of the top surface of the workbench (1), a side plate (9) is arranged on one side surface of the baffle (10), and an air cylinder (8) is installed on the surface of the front end of the side plate (9), and the output end of the cylinder (8) penetrates through the side plate (9) and is fixedly connected with a fixing plate (18), one side of the fixing plate (18) is provided with a positioning plate (16), the front end surface of the positioning plate (16) penetrates through the fixing plate (18) and is provided with a guide rod (19), and one side, located on the fixing plate (18), of the outer side surface of the guide rod (19) is sleeved with a second spring (17).

2. The device for measuring the opening and the over travel of the contactor according to claim 1, wherein a limiting groove (11) is formed in the top surface of the workbench (1), a limiting rod (12) is arranged inside the limiting groove (11), a limiting block (13) is connected onto the limiting rod (12) in a sliding manner, and the top surface of the limiting block (13) is fixedly connected with the bottom surface of the measuring block (3).

3. A contactor opening over-travel measuring device according to claim 1, characterized in that the bottom surface of the working table (1) is provided with a pillar (14), and the bottom end of the pillar (14) is provided with a base (15).

4. A contactor opening over-travel measuring device according to claim 3, characterized in that the supporting columns (14) are provided in plurality, and the supporting columns (14) are uniformly distributed at four corners of the bottom surface of the working table (1).

5. A contactor opening over-travel measuring device according to claim 3, characterized in that the bottom surface of the base (15) is provided with a non-slip mat, and the non-slip mat is made of rubber.

6. A contactor opening over-travel measuring device according to claim 1, characterized in that the working table (1) is made of stainless steel.

7. A contactor opening over-travel measuring device according to claim 1, characterized in that there are two side plates (9) and the two side plates (9) are evenly distributed on one side surface of the baffle (10).

8. A contactor opening over-travel measuring device according to claim 1, characterized in that the contact (7) is in the same horizontal line with the contactor switch.