CN113707506B

CN113707506B - Setting adjustment indicating mechanism for electromagnetic release

Info

Publication number: CN113707506B
Application number: CN202110939520.9A
Authority: CN
Inventors: 袁铎宁; 汪浩; 曹鹏飞; 邹顺; 师慧倩
Original assignee: Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Current assignee: Wuhan Institute of Marine Electric Propulsion China Shipbuilding Industry Corp No 712 Institute CSIC
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2024-08-09
Anticipated expiration: 2041-08-16
Also published as: CN113707506A

Abstract

The invention discloses a setting adjustment indicating mechanism for an electromagnetic release, which consists of a setting supporting plate, a locking spring, a setting shaft, a setting rotating shaft, a supporting frame, a setting rod, a self-locking nut, an indicating piece and a scale plate; the initial tension of reaction spring is adjusted to the rotation of accessible setting support plate, further realizes the regulation of reaction spring's initial tension value, still further realizes the setting value of electromagnetic release and adjusts, and when the setting support plate rotated, the pilot wafer also rotated, represents different setting values through different scale values on the scale tablet. The invention provides a reliable and convenient adjustment setting indicating mechanism for an electromagnetic tripping device of a circuit breaker, and the device has simple structure and high reliability.

Description

Setting adjustment indicating mechanism for electromagnetic release

Technical Field

The invention relates to a release setting adjustment component, in particular to a setting adjustment indicating mechanism of an adjustable electromagnetic release device for a circuit breaker.

Background

The circuit breaker is a protective electric appliance used as a protective circuit, and can automatically cut off the circuit when overcurrent occurs in the circuit, thereby protecting the safety of circuit equipment and personnel. The circuit breaker responds to fault current and triggers the operation mechanism to act so as to cut off the circuit function module to be a tripping device.

Because of different system demands, setting value requirements for starting protection of the circuit breaker are different, and a setting adjustment indicating mechanism for the release is required to be designed for adapting to occasions with different setting value demands.

Disclosure of Invention

The invention aims to provide a setting adjustment indicating mechanism for an electromagnetic release, which is used for realizing adjustment of a setting value and indicating a setting adjustment position.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a setting regulation indicating mechanism for electromagnetic release, includes setting backup pad and rotatable setting rotation axis of inserting and establishing in setting backup pad, still rotatable the inserting of setting backup pad bottom is equipped with the setting axle parallel with setting rotation axis, setting backup pad top be provided with the reaction spring that is used for connecting the iron core, setting backup pad is provided with support frame and setting pole outward, the support frame both sides are provided with the fixed orifices that supplies setting rotation axis to insert the correspondence, setting axle and support frame on correspond respectively and be provided with trompil and screw hole, be provided with locking spring and self-locking nut between setting backup pad and the support frame, the setting pole pass the trompil on the support frame, the screw hole of self-locking nut, locking spring intermediate through-hole back connect in the screw hole of setting axle, locking spring both ends fix with setting axle and self-locking nut respectively, the support frame inboard in the recess with self-locking nut appearance adaptation has been seted up in the recess with the self-locking nut contact department, locking nut spring's spring force is with the self-locking nut jack-in the recess, the support frame outside be fixed with the scale plate, setting backup pad on correspond and be provided with the instruction piece.

The groove section of the setting adjustment indicating mechanism for the electromagnetic release is polygonal, preferably hexagonal.

A setting adjustment indicating mechanism for electromagnetic release, be equipped with rectangular hole on its scale tablet and the support frame, the pilot strip passes rectangular hole after-fixing in setting backup pad, the pilot strip rotates along with it when setting backup pad rotates, and then instructs different positions on the scale tablet, the regulation personnel of being convenient for observe.

The beneficial effects of the invention are as follows: when the setting rod is rotated, when the relative position between the setting shaft and the setting rod is changed, the relative position between the setting shaft and the supporting frame is changed, so that the initial stretching amount of the counter-force spring is adjusted, and the setting value adjustment of the release is further realized; when the setting value of the release is adjusted, the setting rod can rotate when the self-locking nut is ejected out of the groove against the setting rod, so that the setting support plate can rotate, the setting value of the release is further adjusted, the self-locking nut is ejected in the groove of the support frame under the action of the spring force of the locking spring when the setting rod is released, and the setting value of the release is ensured not to be changed in the use process; when the setting support plate rotates, the indicating sheet also rotates along with the setting support plate, so that different positions are indicated on the scale plate, and adjustment personnel can conveniently adjust and observe the setting support plate.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the locking structure of the setting lever of the present invention;

FIG. 4 is a tuning adjustment state diagram of FIG. 3;

fig. 5 is a locked state diagram of fig. 3.

The reference numerals are as follows: 1-setting indication mechanism, 101-setting support plate, 102-locking spring, 103-setting shaft, 104-setting rotation shaft, 105-setting rod, 106-self-locking nut, 107-indication sheet, 108-scale plate, 2-counter force spring, 3-movable iron core and 4-support frame.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings. The illustrations of the embodiments are shown in the drawings, with the same reference numerals indicating the same or similar elements or elements having the same or similar functions. The examples described below are illustrative and are intended to illustrate the invention and are not to be construed as limiting the invention.

Because the setting value requirement of the circuit breaker start protection is different for different system demands, for adapting to different setting value demand occasions, this patent designs a setting adjustment indicating mechanism that release used, refer to fig. 1, shown in fig. 2, including setting backup pad 101 and moving core 3 that is connected with setting backup pad 101 through reaction spring 2, be provided with support frame 4 outside setting backup pad 101, reaction spring 2 one end is connected to setting backup pad 101, reaction spring 2's the other end is connected on moving core 3, when adjusting the relative position between setting backup pad 101 and the support frame 4, and then adjust the relative distance between setting backup pad 101 and the moving core 3, further initial stretching quantity of reaction spring 2 changes thereupon.

The setting support plate 101 on parallel arrangement have setting shaft 103 and setting rotation axis 104, wherein setting shaft 103 cover is in setting support plate 101 lower extreme (the direction of illustration) hole and can rotate around it, setting rotation axis 104 is fixed in the hole of support frame 4, set up threaded hole on setting shaft 103, setting support plate 101 cover can rotate around it on setting rotation axis 104, setting support plate 101 is equipped with setting lever 105 outward, the relative position between setting support plate 101 and the support frame 4 is realized through adjusting setting shaft 103 and setting lever 105, setting lever 105 is the threaded rod, cooperate with the threaded hole that sets up on setting shaft 103 on, because the position of setting lever 105 relative to support frame 4 is unchangeable, when rotating setting lever 105, the relative position between setting shaft 103 and the setting lever 105 changes, the relative position between setting shaft 103 and the support frame 4 changes (setting support plate 101 rotates around setting rotation axis 104), and then adjusted counterforce spring 2's initial stretching amount, further realize the setting adjustment of release.

Fig. 3, 4 and 5 show locking structure diagrams of a setting rod 105 of the present invention, a locking spring 102 and a self-locking nut 106 are arranged between a setting support plate 101 and a supporting frame 4, the self-locking nut 106 is fixed on the setting rod 105 through threaded connection and is connected into a whole, the setting rod 105 passes through an upper hole formed on the supporting frame 4, a threaded hole of the self-locking nut 106 and a middle through hole of the locking spring 102 and then is connected with a threaded hole on a setting shaft 103, the locking spring 102 is a compression spring, one end of the compression spring is fixed on the setting shaft 103, and the other end of the compression spring is fixed on the self-locking nut 106.

The supporting frame 4 is provided with a hexagonal or polygonal groove with the same shape as the self-locking nut 106 at the contact position with the self-locking nut 106, and the spring force of the locking spring 102 pushes the self-locking nut 106 into the groove. Because when the self-locking nut 106 is pushed into the groove under the action of the spring force of the locking spring 102, the self-locking nut 106 cannot rotate, and the setting rod 105 cannot rotate, the further setting support plate 101 cannot rotate, the initial tension value of the further counter-force spring 2 cannot change, and the setting value of the further release cannot change. When the setting value of the release is adjusted, the setting rod 105 can rotate when the self-locking nut 106 is ejected out of the groove against the setting rod 105, so that the setting support plate 101 can rotate, and the setting value of the release is further adjusted.

A certain gap is formed between the setting rod 105 and the supporting frame 4, and the gap is the depth of the groove. When the release is adjusted, the self-locking nut 106 is led out of the groove by pushing the adjusting rod 105, so that the adjusting rod 105 can be rotated to further adjust the initial tension of the counter-force spring 2, and further realize the adjustment; when the release is adjusted to a proper position, the propped adjusting rod 105 is loosened, and at the moment, under the action of the spring force of the locking spring 102, the self-locking nut 106 is propped in the groove of the supporting frame 4, so that the setting value of the release can not be changed in the use process.

The setting supporting plate 101, the locking spring 102, the setting shaft 103, the setting rotating shaft 104, the setting rod 105 and the self-locking nut 106 form the setting indicating mechanism 1, in addition, the supporting frame 4 is also fixedly provided with the scale plate 108, the setting supporting plate 101 is correspondingly provided with the indicating plate 107, the scale plate 108 and the supporting frame 4 are provided with strip-shaped holes, the indicating plate 107 is fixed on the setting supporting plate 101 through a fastener and penetrates through the strip-shaped holes of the scale plate 108, and when the setting supporting plate 101 rotates, the indicating plate 107 rotates along with the rotation, and further different positions are indicated on the scale plate 108, so that the adjusting personnel can conveniently adjust and observe.

Through the technical scheme for realizing the technical problems of the components of the electromagnetic release, the setting adjustment indicating mechanism scheme of the electromagnetic release is realized.

The shapes and positions illustrated in this specification are exemplary, and altering the shape of certain parts or the position of the shaft can also achieve the time delay function of the device, which should not be construed as limiting the invention.

The embodiments are merely illustrative of the principles of this invention and its effectiveness, and variations and modifications can be made by those skilled in the art without departing from the inventive concept, which are within the scope of the invention.

Claims

1. A adjust instruction mechanism for setting of electromagnetic release, its characterized in that: including setting backup pad (101) and moving core (3) that are connected with setting backup pad (101) through reaction spring (2), setting backup pad (101) connect reaction spring (2) one end, the other end of reaction spring (2) is connected on moving core (3), still including inserting setting rotation axis (104) of establishing on setting backup pad (101), setting backup pad (101) bottom still inserts setting shaft (103) parallel with setting rotation axis (104), setting backup pad (101) are provided with support frame (4) and setting pole (105) outward, support frame (4) both sides are provided with the fixed orifices that supply setting rotation axis (104) to insert the correspondence, setting shaft (103) and support frame (4) on be provided with screw hole and trompil respectively, be provided with locking spring (102) and self-locking nut (106) between setting backup pad (101) and support frame (4), setting pole (105) pass trompil, self-locking nut (106) of support frame (4), locking spring (102) back connect in the screw hole of setting shaft (103), both ends (102) and self-locking nut (106) are equipped with respectively with locking nut (106) and self-locking nut (106) that fit inside of the support frame (4), the support frame (4) outside be fixed with scale plate (108), setting up and being provided with indicator piece (107) on backup pad (101) correspond, when adjusting the relative position between setting up backup pad (101) and support frame (4), and then adjust the relative distance between setting up backup pad (101) and movable iron core (3), initial stretching volume of counter-force spring (2) changes thereupon.

2. The setting adjustment indicating mechanism for an electromagnetic trip according to claim 1 wherein said recess has a polygonal cross-section.

3. The setting adjustment indicating mechanism for the electromagnetic release according to claim 1, wherein the scale plate (108) and the supporting frame (4) are provided with strip holes, and the indicating sheet (107) is fixed on the setting supporting plate (101) after passing through the strip holes.