CN214011414U

CN214011414U - Improved frequency conversion series resonance test

Info

Publication number: CN214011414U
Application number: CN202022333279.9U
Authority: CN
Inventors: 包福春; 张正和; 许剑; 樊杰
Original assignee: Zhangjiagang Zhonghai Electric Complete Set Co ltd
Current assignee: Zhangjiagang Zhonghai Electric Complete Set Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-08-20
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a modified frequency conversion series resonance test, including base and reactor, the rectangular channel has all been seted up at the both ends of base both sides, and the inside of four rectangular channels all is provided with moving mechanism, and four moving mechanism comprises round bar, square and universal wheel, and the draw-in groove has been seted up respectively to the both sides of four squares, and the spout has all been seted up to one side of four inside rectangular channels, and the inside of four spouts all is provided with fixed establishment, and four fixed establishment constitute by connecting block, round bar, movable rod and reset spring. This kind of modified frequency conversion series resonance test through fixed establishment, makes people can pass through the operation pole, makes the movable rod can separate or insert the inside of different positions draw-in groove respectively under the effect of reset spring elasticity with the draw-in groove, and then adjusts turning to of square and universal wheel, makes the base when placing, and the universal wheel can turn to the top of base, makes the bottom of base keep leveling, has promoted the stability when the base is put.

Description

Improved frequency conversion series resonance test

Technical Field

The invention relates to a test device, in particular to an improved variable frequency series resonance test.

Background

The frequency conversion series resonance alternating current withstand voltage test device adopts a mode of adjusting the frequency of a power supply to enable the reactor and a tested capacitor to realize resonance, obtains high voltage and large current on a tested product, is a new method and trend of the current high voltage test, and the alternating current withstand voltage tests of various large power transformers, power cables, turbines, hydraulic generators and other capacitive equipment of the frequency conversion series resonance test device are carried out strictly and regularly according to test rules.

Aiming at the problems in the prior art, Chinese patent (publication number: CN210015189U) provides a frequency conversion series resonance voltage withstand test device, which has the advantages that a movable base is additionally arranged, so that a reactor can move conveniently, but when the reactor does not need to move, the universal wheels of the base can influence the stability of the base, the reactor is exposed outside, the reactor is easy to damage due to the fact that the base topples over in the moving process, and the protection performance is poor. We therefore improved this by proposing an improved variable frequency series resonance test.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides an improved variable frequency series resonance test.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to an improved variable frequency series resonance test, which comprises a base and a reactor, wherein two ends of two sides of the base are respectively provided with a rectangular groove, the insides of four rectangular grooves are respectively provided with a moving mechanism, the four moving mechanisms comprise a first round rod, a square block and a universal wheel, two sides of four square blocks are respectively provided with a clamping groove, one side of the insides of the four rectangular grooves is respectively provided with a sliding groove, the insides of the four sliding grooves are respectively provided with a fixing mechanism, the four fixing mechanisms comprise a connecting block, a second round rod, a movable rod and a return spring, the middle part of the top end of the base is provided with a support and a protective shell, the tops of two sides of the support are respectively provided with a connecting mechanism, the two connecting mechanisms comprise a concave frame, a connecting rod, a bolt and a tension spring, the reactor is placed inside the support, and the front surface and the back surface of the inside of the support are respectively provided with a clamping mechanism, and each clamping mechanism consists of a threaded rod and a clamping plate.

As a preferred technical scheme of the present invention, the middle portions of the four square blocks are respectively and fixedly connected with the middle portions of the four first round rods, two ends of the four first round rods are respectively connected with the front and the back of the four rectangular grooves through bearings, and the four universal wheels are respectively and fixedly mounted at the bottom ends of the four square blocks.

As a preferred technical scheme of the invention, the outsides of the four connecting blocks are respectively connected with the insides of the four sliding grooves in a sliding manner, one ends of the four connecting blocks are respectively fixedly connected with one ends of the four movable rods, and the other ends of the four movable rods are respectively connected with the insides of the four clamping grooves in an inserting manner.

As a preferred technical solution of the present invention, the bottom ends of the four second round rods are respectively fixedly connected with the top ends of the four connecting blocks, and the top ends of the four second round rods respectively penetrate through the tops of the four sliding grooves.

As a preferred technical scheme of the invention, one ends of the four return springs are respectively and fixedly connected with one ends of the four sliding chutes, and the other ends of the four return springs are respectively and fixedly connected with one ends of the four connecting blocks far away from the movable rod.

As a preferred technical scheme of the invention, the bottom end of the support is fixedly connected with the middle part of the top end of the base, and the top end of the support is attached to the bottom end of the protective shell.

As a preferred technical scheme of the invention, the two concave frames are respectively and fixedly arranged at the tops of two sides of the support, the interiors of the two concave frames are respectively and alternately connected with the exteriors of the two connecting rods, and the opposite sides of the two connecting rods are respectively and fixedly connected with the bottoms of two sides of the protective shell.

As a preferable technical scheme of the invention, the outer parts of the two inserted pins are respectively and alternately connected with the middle parts of one sides of the two concave frames, and the end parts of the two inserted pins are respectively and alternately connected with the bottom ends of one sides of the two connecting rods.

As a preferable technical scheme of the invention, the two extension springs are respectively arranged outside the two bolts, one ends of the two extension springs are respectively fixedly connected with one ends of the two bolts, and the other ends of the two extension springs are respectively fixedly connected with one sides of the two concave frames.

As a preferable technical scheme of the invention, the opposite sides of the two clamping plates are respectively connected with the end parts of the two threaded rods through bearings, the bottoms of the two clamping plates are both connected with the top end inside the support in a sliding manner, and the outer parts of the two threaded rods are respectively in threaded connection with the front side and the back side inside the support.

The invention has the beneficial effects that: this kind of modified frequency conversion series resonance test, through fixed establishment, make people can pass through the operation pole, make the movable rod can separate or insert the inside of different position draw-in grooves respectively under the effect of reset spring elasticity with the draw-in groove, and then adjust turning to of square and universal wheel, make the base when placing, the universal wheel can turn to the top of base, make the bottom of base keep leveling, stability when having promoted the base and putting, and through support and protecting crust, make the reactor put into the inside back of support and protecting crust, support and protecting crust can play good guard action to the reactor, make the base when meetting the highway section of jolting and topple over, not fragile reactor, barrier propterty is good.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of an improved variable frequency series resonance test of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 for an improved variable frequency series resonance test of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the support in FIG. 1 for an improved variable frequency series resonance test of the present invention;

FIG. 4 is a schematic illustration of the pin-in-pin connection of FIG. 2 for an improved variable frequency series resonance test of the present invention;

FIG. 5 is a schematic diagram of the movable rod of FIG. 1 for an improved variable frequency series resonance test of the present invention;

FIG. 6 is a block diagram of the block of FIG. 1 illustrating an improved variable frequency series resonance test of the present invention.

In the figure: 1. a base; 2. a rectangular groove; 3. a first round bar; 4. a square block; 5. a card slot; 6. a universal wheel; 7. a chute; 8. connecting blocks; 9. a second round bar; 10. a movable rod; 11. a return spring; 12. a protective shell; 13. a concave frame; 14. a connecting rod; 15. a bolt; 16. an extension spring; 17. a threaded rod; 18. a splint; 19. a reactor; 20. and (4) a support.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1, 2, 3, 4, 5 and 6, the improved frequency conversion series resonance test of the invention comprises a base 1 and a reactor 19, wherein both ends of both sides of the base 1 are respectively provided with a rectangular groove 2, the insides of the four rectangular grooves 2 are respectively provided with a moving mechanism, the four moving mechanisms comprise a first round bar 3, a square block 4 and a universal wheel 6, both sides of the four square blocks 4 are respectively provided with a clamping groove 5, one side of the insides of the four rectangular grooves 2 is respectively provided with a sliding groove 7, the insides of the four sliding grooves 7 are respectively provided with a fixing mechanism, the four fixing mechanisms comprise a connecting block 8, a second round bar 9, a movable bar 10 and a return spring 11, the middle part of the top end of the base 1 is provided with a support 20 and a protective shell 12, the tops of both sides of the support 20 are respectively provided with a connecting mechanism, and the two connecting mechanisms comprise a concave frame 13, a connecting bar 14, a bolt 15 and an extension spring 16, the reactor 19 is placed in the support 20, the clamping mechanisms are arranged on the front face and the back face of the interior of the support 20, and each clamping mechanism consists of a threaded rod 17 and a clamping plate 18.

Wherein, the middle part of four squares 4 respectively with the middle part fixed connection of four first round bars 3, the both ends of four first round bars 3 are respectively through the front and the back connection of bearing with four rectangular channel 2 insides, four universal wheels 6 respectively fixed mounting in the bottom of four squares 4, through moving mechanism, make base 1 can be subaerial light removal.

Wherein, the outside of four connecting blocks 8 respectively with the inside sliding connection of four spout 7, the one end of four connecting blocks 8 respectively with the one end fixed connection of four movable rod 10, the other end of four movable rod 10 respectively with wherein the inside interlude of four draw-in grooves 5 be connected, through fixed establishment, make people can pass through operation second round bar 9, make movable rod 10 can separate or insert the inside of different position draw-in grooves 5 respectively under the effect of reset spring 11 elasticity with draw-in groove 5, and then adjust turning to of square 4 and universal wheel 6, make base 1 when placing, universal wheel 6 can turn to the top of base 1, make the bottom of base 1 keep leveling, the stability when base 1 puts has been promoted.

Wherein, the bottom of four second round bars 9 respectively with the top fixed connection of four connecting blocks 8, the top of four spout 7 is passed respectively on the top of four second round bars 9, through second round bar 9, has made things convenient for people to stimulate connecting block 8 and movable rod 10 and has removed.

Wherein, four reset spring 11's one end respectively with the inside one end fixed connection of four spout 7, four reset spring 11's the other end respectively with four connecting blocks 8 keep away from the one end fixed connection of movable rod 10, through reset spring 11's elasticity, when making people not stimulate second round bar 9, the inside of one of them draw-in groove 5 can be inserted to the tip of movable rod 10, fixes square 4.

Wherein, the bottom of support 20 and the middle part fixed connection on base 1 top, the top of support 20 and the bottom laminating of protecting crust 12, through support 20 and protecting crust 12, make reactor 19 put into the inside of support 20 and protecting crust 12 after, support 20 and protecting crust 12 can play good guard action to reactor 19, make base 1 when running into the highway section of jolting and topple over, reactor 19 is not fragile, and barrier propterty is good.

Wherein, two concave frame 13 are fixed mounting respectively at the top of support 20 both sides, and the inside of two concave frame 13 alternates with the outside of two connecting rod 14 respectively and is connected, and the opposite side of two connecting rod 14 respectively with the bottom fixed connection of protecting crust 12 both sides, through coupling mechanism, when making bolt 15 insert one side of connecting rod 14 under the effect of extension spring 16 elasticity, can fix connecting rod 14 in the inside of concave frame 13, make protecting crust 12 fix at the top of support 20.

Wherein, the outside of two bolts 15 is connected with the middle part interlude of two concave frame 13 one sides respectively, and the tip of two bolts 15 is connected with the bottom interlude of two connecting rod 14 one sides respectively, has guaranteed that the tip of bolt 15 inserts the one side of connecting rod 14 after, can fix connecting rod 14 in the inside of concave frame 13.

Wherein, two extension springs 16 set up respectively in the outside of two bolt 15, and two extension springs 16's one end respectively with two bolt 15's one end fixed connection, two extension springs 16's the other end respectively with two concave frame 13's one side fixed connection, through extension spring 16's elasticity, when making people not pulling bolt 15, bolt 15 can insert one side of connecting rod 14, fixes connecting rod 14.

Wherein, the end connection of bearing and two threaded rods 17 is passed through respectively to the opposite sides of two splint 18, the bottom of two splint 18 all with the inside top sliding connection of support 20, the outside of two threaded rods 17 respectively with the inside front and the back threaded connection of support 20, through fixture, make people put into the inside back of support 20 with reactor 19, people can be through rotating threaded rod 17, make splint 18 remove along with it and clip reactor 19, make reactor 19 be difficult for rocking in the inside of protecting crust 12 and support 20.

When the reactor is operated, firstly, the reactor 19 is placed in the support 20, the two threaded rods 17 are rotated, the two threaded rods 17 drive the two clamping plates 18 to move and clamp the reactor 19, the two bolts 15 are pulled outwards, the protective shell 12 is sleeved on the support 20, the two connecting rods 14 are respectively inserted into the two concave frames 13, the two bolts 15 are loosened, the two bolts 15 are respectively inserted into one side of the two connecting rods 14 under the action of the elastic force of the two tension springs 16 to fix the protective shell 12, the protective shell 12 and the base 1 are pushed to move under the action of the four universal wheels 6, after the two bolts 15 are moved to a specified position, the two bolts 15 are pulled outwards to separate the two connecting rods 14, the protective shell 12 is separated from the support 20, the two threaded rods 17 are rotated reversely to separate the two clamping plates 18 from the reactor 19, the reactor 19 is taken out from the inside of the support 20, four second round bars 9 of pulling make four connecting blocks 8 and four movable rods 10 remove, four movable rods 10 and the inside separation of four draw-in grooves 5 among them rotate four squares 4, make four universal wheels 6 turn to the top of base 1, loosen four second round bars 9, make four movable rods 10 insert the inside of four other draw-in grooves 5 respectively under the effect of 11 elasticity of four reset spring, fix four squares 4, make four squares 4 can not rotate, make the bottom of base 1 keep leveling.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An improved frequency conversion series resonance test is characterized by comprising a base (1) and a reactor (19), wherein rectangular grooves (2) are formed in two ends of two sides of the base (1), moving mechanisms are arranged inside four rectangular grooves (2), the four moving mechanisms are composed of first round rods (3), square blocks (4) and universal wheels (6), clamping grooves (5) are formed in two sides of the four square blocks (4), sliding grooves (7) are formed in one side of the four rectangular grooves (2), fixing mechanisms are arranged inside the four sliding grooves (7), each fixing mechanism is composed of a connecting block (8), a second round rod (9), a movable rod (10) and a reset spring (11), a support (20) and a protective shell (12) are arranged in the middle of the top end of the base (1), connecting mechanisms are arranged at the tops of two sides of the support (20), two coupling mechanism comprises concave frame (13), connecting rod (14), bolt (15) and extension spring (16), reactor (19) have been placed to the inside of support (20), the inside front and the back of support (20) all are provided with fixture, two fixture comprises threaded rod (17) and splint (18).

2. An improved variable frequency series resonance test according to claim 1, wherein the middle parts of four of the square blocks (4) are fixedly connected with the middle parts of four first round rods (3), the two ends of the four first round rods (3) are respectively connected with the front and back surfaces inside the four rectangular grooves (2) through bearings, and the four universal wheels (6) are respectively and fixedly installed at the bottom ends of the four square blocks (4).

3. An improved frequency conversion series resonance test according to claim 1, wherein the outer parts of four connecting blocks (8) are respectively connected with the inner parts of four sliding grooves (7) in a sliding manner, one ends of four connecting blocks (8) are respectively fixedly connected with one ends of four movable rods (10), and the other ends of four movable rods (10) are respectively connected with the inner parts of four clamping grooves (5) in a penetrating manner.

4. An improved variable frequency series resonance test according to claim 1, wherein the bottom ends of the four second round rods (9) are fixedly connected with the top ends of the four connecting blocks (8), respectively, and the top ends of the four second round rods (9) penetrate the tops of the four sliding chutes (7), respectively.

5. An improved frequency conversion series resonance test according to claim 1, wherein one end of each of the four return springs (11) is fixedly connected with one end of the inside of each of the four sliding grooves (7), and the other end of each of the four return springs (11) is fixedly connected with one end of each of the four connecting blocks (8) far away from the movable rod (10).

6. An improved variable frequency series resonance test according to claim 1, wherein the bottom end of the support (20) is fixedly connected with the middle part of the top end of the base (1), and the top end of the support (20) is attached to the bottom end of the protective shell (12).

7. An improved variable frequency series resonance test according to claim 1, wherein two concave frames (13) are respectively and fixedly installed on the top of two sides of the support (20), the inner parts of the two concave frames (13) are respectively and alternately connected with the outer parts of two connecting rods (14), and the opposite sides of the two connecting rods (14) are respectively and fixedly connected with the bottom of two sides of the protective shell (12).

8. An improved variable frequency series resonance test as claimed in claim 1, wherein the outer portions of said two pins (15) are respectively inserted into the middle portion of one side of said two concave frames (13), and the end portions of said two pins (15) are respectively inserted into the bottom end of one side of said two connecting rods (14).

9. An improved variable frequency series resonance test as claimed in claim 1, wherein two said extension springs (16) are respectively disposed outside two pins (15), one end of each of said two extension springs (16) is fixedly connected with one end of each of said two pins (15), and the other end of each of said two extension springs (16) is fixedly connected with one side of each of said two concave frames (13).

10. An improved variable frequency series resonance test as claimed in claim 1, wherein the opposite sides of the two clamping plates (18) are connected with the ends of two threaded rods (17) respectively through bearings, the bottoms of the two clamping plates (18) are connected with the top end inside the support (20) in a sliding manner, and the outer parts of the two threaded rods (17) are respectively connected with the front and back threads inside the support (20).