CN205122420U - Mine used frequency converter's blocking device - Google Patents
Mine used frequency converter's blocking device Download PDFInfo
- Publication number
- CN205122420U CN205122420U CN201520896437.8U CN201520896437U CN205122420U CN 205122420 U CN205122420 U CN 205122420U CN 201520896437 U CN201520896437 U CN 201520896437U CN 205122420 U CN205122420 U CN 205122420U
- Authority
- CN
- China
- Prior art keywords
- locking
- combined floodgate
- copper sheathing
- gag lever
- lever post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a mine used frequency converter's blocking device, including button assembly, closing handle assembly, the assembly of upper and lower movable rod, door shutting assembly, isolator and travel switch, each subassembly is mutually supported, realizes the electric interlocking function of starting the AND gate and opening of complete machine, electric measured time promptly, and the door is in blocking state and can't opens, at the electric back that stops, door automatic switching to unblock state. The utility model discloses compact structure, manually operation is simple, reliable, has solved mine used frequency converter door and electric interlocking problem betterly, has guaranteed staff's life safety effectively.
Description
Technical field
The utility model belongs to mining equipment technical field, particularly a kind of locking device of mine-used frequency-converter.
Background technology
The operating voltage of mine-used frequency-converter is high voltage, very high to security requirement, require that the electric starting of complete machine and door are opened to realize interlocking, when namely electrically starting, door is in blocking and cannot opens, after electrically stopping, door is transformed into released state automatically, and now staff can open the door and carry out internal maintenance work.
The interlock function mechanical structure of mine-used frequency-converter is more complicated in the market, malfunction, processing and maintenance cost higher.
Utility model content
The purpose of this utility model is the locking device providing the simple mine-used frequency-converter of a kind of structure, realize the interlock function that the electric starting of complete machine and door are opened, when namely electrically starting, door is in blocking and cannot opens, after electrically stopping, door is transformed into released state automatically, and now staff can open the door and carry out internal maintenance work.
The technical solution realizing the utility model object is:
A locking device for mine-used frequency-converter, comprises button assembling, switch lever assembling, the assembling of up and down bar, door locking assembling, isolating switch and travel switch;
Button assembling comprises button cover, button copper sheathing, combined floodgate gag lever post, button spring and outer pad, button cover is fixedly connected with chamber wall, button copper sheathing and button overlap interference fit and install, combined floodgate gag lever post under the effect of button spring with button copper sheathing matched in clearance, combined floodgate gag lever post bottom is fixedly connected with outer pad; It is inner that combined floodgate gag lever post can enter button cover under external force, and after cancelling external force, combined floodgate gag lever post automatically resets under the elastic force effect of button spring;
Switch lever assembles and comprises handle disk body, combined floodgate cover, combined floodgate copper sheathing, handle set, handle, combined floodgate axle and eccentric wheel, and the cover that closes a floodgate is fixedly connected with chamber wall, and combined floodgate copper sheathing overlaps interference fit with combined floodgate and installs; Combined floodgate axle right-hand member square shaft part and handle set square hole matched in clearance are installed, and middle circle shaft portion and combined floodgate copper sheathing inner circle matched in clearance are installed, and left end square shaft part and eccentric wheel square hole matched in clearance are installed; Handle set and handle disk body, handle are connected to one, and are fixedly connected with combined floodgate axle; Switch lever assembling is installed by the square bar matched in clearance of eccentric square hole and isolating switch;
Up and down bar assembling comprises copper sheathing, spacing axle bed, up and down bar spring and up and down bar, copper sheathing and top board interference fit are installed, up and down bar is by being arranged on the inside of spacing axle bed with copper sheathing matched in clearance under the effect of up and down bar spring, and spacing axle bed and top board are fixed; Up and down bar keeps in touch state with eccentric wheel all the time under the effect of up and down bar spring;
Door locking assembling comprises deadlock lever, gag lever post, locking copper sheathing, spacing copper sheathing, locking location-plate, locking holder, lock nut, gag lever post Compress Spring, locking hand handle, lock dog and door; The circular hole interference fit of locking copper sheathing and front panel is installed; One end and the locking copper sheathing matched in clearance of deadlock lever are installed, and the other end and locking location-plate are fixed; The circular hole interference fit of spacing copper sheathing and front panel is installed; One end of gag lever post is fixed on the inside of locking holder under the elastic force of gag lever post Compress Spring and the pressure effect of lock nut, and mid portion and spacing copper sheathing matched in clearance are installed, and the other end and locking location-plate are fixed; Locking holder and front panel are fixed; Lock nut is threaded with locking holder and is arranged on the inside of locking holder; The end of locking hand handle and the square hole matched in clearance of lock nut are installed; Lock dog is connected with front panel, and the obturator hernia of door aligns one end of deadlock lever;
The axis of up and down bar and the axis of gag lever post are in same plane, and moving up and down of up and down bar can pass in and out the gap position of gag lever post;
Isolating switch right-hand member square bar and eccentric square hole matched in clearance are installed, and fix bottom it with top board; Travel switch is fixed on front panel, the shake-up part of travel switch just and locking location-plate keep in touch.
The utility model compared with prior art, has the following advantages:
(1) the utility model compact conformation, easy for installation, and applicability is wide;
(2) the square bar rotary motion of the utility model eccentric rotational movement isolating switch and moving up and down of up and down bar, the square bar rotary motion of isolating switch can realize the state switching (stopping, power frequency or frequency conversion) of isolating switch, and moving up and down of up and down bar can be in blocking or released state by control gate;
(3) in door locking assembling, two deadlock levers are realized and being synchronized with the movement of gag lever post by locking location-plate, and deadlock lever can realize locking or the unblock of door into and out of the obturator hernia of door.
Accompanying drawing explanation
Fig. 1 is the structural representation of the locking device of the utility model mine-used frequency-converter.
Fig. 2 is the structural representation that the assembling of the utility model button is assembled with switch lever.
Fig. 3 is the structural representation of the utility model door locking assembling.
Fig. 4 is the structural representation of the utility model button assembling.
Fig. 5 is the structural representation of the utility model eccentric wheel and up and down bar.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Composition graphs 1, a kind of locking device of mine-used frequency-converter, comprises button assembling, switch lever assembling, the assembling of up and down bar, door locking assembling, isolating switch 15 and travel switch 34.
Composition graphs 4, button assembling comprises button cover 1, button copper sheathing 2, combined floodgate gag lever post 3, button spring 4, outer pad 5; Button cover 1 and the two-sided continuous welding of chamber wall 6; Button copper sheathing 2 and button overlap 1 interference fit and install; Combined floodgate gag lever post 3 under the effect of button spring 4, by fixing with the matched in clearance and outer pad 5 screw of button copper sheathing 2.It is inner that combined floodgate gag lever post 3 can enter button cover 1 under external force, and after cancelling external force, combined floodgate gag lever post 3 automatically resets under the elastic force effect of button spring 4.
Switch lever assembling comprises handle disk body 7, combined floodgate cover 8, combined floodgate copper sheathing 9, pressure pad 10, handle set 11, handle 12, combined floodgate axle 13, eccentric wheel 14; Combined floodgate cover 8 and the two-sided continuous welding of chamber wall 6; Combined floodgate copper sheathing 9 and combined floodgate cover 8 interference fit are installed; Combined floodgate axle 13 right-hand member square shaft part and handle set 11 square hole matched in clearance are installed, and middle circle shaft portion and combined floodgate copper sheathing 9 inner circle matched in clearance are installed, and left end square shaft part and eccentric wheel 14 square hole matched in clearance are installed; Handle set 11 and handle disk body 7, handle 12 are welded as a whole, and are fixedly connected with combined floodgate axle 13 screw by pressure pad 10; Switch lever assembling is installed by the square hole of eccentric wheel 14 and the square bar matched in clearance of isolating switch 15.
Button assembling with switch lever assemble with the use of, in order to prevent misoperation starting frequency converter from causing unnecessary harm, as shown in Figure 2, described handle disk body 7 is provided with three arc notch, corresponding power frequency, frequency conversion and stopping respectively, combined floodgate gag lever post 3 is in one of them arc notch all the time; Only after pressing the button the combined floodgate gag lever post 3 of assembling, handle 12 pairs of isolating switches 15 that staff could rotate switch lever assembling carry out state switching.
Up and down bar assembling comprises copper sheathing 17, spacing axle bed 18, up and down bar spring 19, up and down bar 20.Copper sheathing 17 and top board 16 interference fit are installed; Up and down bar 20 is by being arranged on the inside of spacing axle bed 18 with copper sheathing 17 matched in clearance under the effect of up and down bar spring 19, and spacing axle bed 18 is fixed by screw and top board 16; As shown in Figure 5, up and down bar 20 keeps in touch state with eccentric wheel 14 all the time under the effect of up and down bar spring 19.
As shown in Figure 3, door locking assembling comprise deadlock lever 21, gag lever post 22, locking copper sheathing 23, spacing copper sheathing 24, locking location-plate 25, locking holder 26, lock nut 27, gag lever post Compress Spring 28, locking hand 29, lock dog 30, door 31.Locking copper sheathing 23 is installed with the circular hole interference fit of front panel 35; One end and locking copper sheathing 23 matched in clearance of deadlock lever 21 are installed, and the other end is fixed by screw and locking location-plate 25; Spacing copper sheathing 24 is installed with the circular hole interference fit of front panel 35; One end of gag lever post 22 is fixed on the inside of locking holder 26 under the elastic force of gag lever post Compress Spring 28 and the pressure effect of lock nut 27, and mid portion and spacing copper sheathing 24 matched in clearance are installed, and the other end is fixed by screw and locking location-plate 25; Locking holder 26 is fixed by screw and front panel 35; Lock nut 27 is threaded with locking holder 26 and is arranged on the inside of locking holder 26; Locking hand installs the square hole matched in clearance of the end of 29 and lock nut 27; Lock dog 30 is connected with front panel 35 by screw, and object is that the stepped portion by blocking a relevant position realizes pressing door, ensures that the gap of door and front panel 35 is less than 0.3mm; If will door 31 Unscrew, door must move laterally and exit lock dog 30, then Unscrew; The obturator hernia of door 31 aligns one end of deadlock lever 21.
The axis of up and down bar 20 and the axis of gag lever post 22 are in same plane, and moving up and down of up and down bar 20 can pass in and out the gap position of gag lever post 22.Moving up and down of up and down bar 20 represents electric starting or stopping, and the horizontal movement of gag lever post 22 represents unlatching or the closedown of door, and the gap position whether up and down bar 20 can pass in and out gag lever post 22 realizes electrically and the interlocking of door.
The square hole matched in clearance of isolating switch 15 right-hand member square bar and eccentric wheel 14 is installed, and is fixed bottom it by screw and top board 16.Forming switch is fixed on front panel 35 by substrate 32 and mounting panel 32, and substrate 32 welds with front panel 35, and travel switch 34 is installed by mounting panel 33 and substrate 32 transition; The shake-up part of travel switch 34 keeps in touch with locking location-plate 25 just, and the position of travel switch is constant all the time, and locking location-plate 25 inwardly moves can touch travel switch.
The course of work of the utility model locking device is:
When frequency converter normally works, this locking device is in the electric released state of a locking: use locking hand to be rotated counterclockwise lock nut 27 29, gag lever post 22 outwards moves under gag lever post Compress Spring 28 acts on, the locking location-plate 25 that moves through of gag lever post 22 makes the synchronous outward movment of deadlock lever 21, deadlock lever 21 end aligns the obturator hernia entering door 31, door 31 is in blocking, now the lower position of up and down bar 20 aligns the gap position of blocking gag lever post 22 in a locking assembling, rotate in switch lever 12 process pressing combined floodgate gag lever post 3, the rotary motion of the eccentric wheel 14 of switch lever assembling makes up and down bar 20 lower end align the gap entering gag lever post 22, achieve the normal switching (power frequency or frequency conversion) of isolating switch 15 state, ensure that staff only could start frequency converter after door 31 is closed,
When frequency converter needs repairing, this locking device is in a unblock electric blocking state: when needs enabling 31, must rotate switch lever 12 makes isolating switch 15 be in halted state, now up and down bar 20 exits the gap position of gag lever post 22 in a locking assembling under the effect of up and down bar spring 19, locking hand is used to turn clockwise lock nut 27 29, locking hand is used to turn clockwise lock nut 27 29, gag lever post 22 inwardly moves under gag lever post Compress Spring 28 acts on, the locking location-plate 25 that moves through of gag lever post 22 makes deadlock lever 21 synchronous toward interior motion, the obturator hernia of door 31 is exited in deadlock lever 21 end, door 31 is in open mode, now the lower position of up and down bar 20 cannot align the gap position entering gag lever post 22 in a locking assembling, switch lever 12 is in rotary course, the eccentric wheel 14 of switch lever assembling is blocked by up and down bar 20, state switching (power frequency or frequency conversion) cannot be carried out to isolating switch 15, ensure that staff cannot start frequency converter after enabling 31.
Travel switch 34 is assembled by door locking and touches closed, and when enabling 31, use locking hand that 29 lock nut 27 that turn clockwise are touched travel switch 34 by gag lever post 22, locking location-plate 25 and closed, now frequency converter control system receives a start signal.
Claims (10)
1. a locking device for mine-used frequency-converter, is characterized in that, comprises button assembling, switch lever assembling, the assembling of up and down bar, door locking assembling, isolating switch [15] and travel switch [34];
Button assembling comprises button cover [1], button copper sheathing [2], combined floodgate gag lever post [3], button spring [4] and outer pad [5], button cover [1] is fixedly connected with chamber wall [6], button copper sheathing [2] and button cover [1] interference fit are installed, combined floodgate gag lever post [3] under the effect of button spring [4] with button copper sheathing [2] matched in clearance, combined floodgate gag lever post [3] bottom is fixedly connected with outer pad [5]; It is inner that combined floodgate gag lever post [3] can enter button cover [1] under external force, and after cancelling external force, combined floodgate gag lever post [3] automatically resets under the elastic force effect of button spring [4];
Switch lever assembling comprises handle disk body [7], close a floodgate cover [8], combined floodgate copper sheathing [9], handle set [11], handle [12], combined floodgate axle [13] and eccentric wheel [14], the cover [8] that closes a floodgate is fixedly connected with chamber wall [6], and combined floodgate copper sheathing [9] overlaps [8] interference fit with combined floodgate and installs; Combined floodgate axle [13] right-hand member square shaft part and handle set [11] square hole matched in clearance are installed, and middle circle shaft portion and combined floodgate copper sheathing [9] inner circle matched in clearance are installed, and left end square shaft part and eccentric wheel [14] square hole matched in clearance are installed; Handle set [11] and handle disk body [7], handle [12] are connected to one, and are fixedly connected with combined floodgate axle [13]; Switch lever assembling is installed by the square hole of eccentric wheel [14] and the square bar matched in clearance of isolating switch [15];
Up and down bar assembling comprises copper sheathing [17], spacing axle bed [18], up and down bar spring [19] and up and down bar [20], copper sheathing [17] and top board [16] interference fit are installed, up and down bar [20] is by being arranged on the inside of spacing axle bed [18] with copper sheathing [17] matched in clearance under the effect of up and down bar spring [19], and spacing axle bed [18] is fixed with top board [16]; Up and down bar [20] keeps in touch state with eccentric wheel [14] all the time under the effect of up and down bar spring [19];
Door locking assembling comprises deadlock lever [21], gag lever post [22], locking copper sheathing [23], spacing copper sheathing [24], locking location-plate [25], locking holder [26], lock nut [27], gag lever post Compress Spring [28], locking hand [29], lock dog [30] and door [31]; Locking copper sheathing [23] is installed with the circular hole interference fit of front panel [35]; One end and locking copper sheathing [23] matched in clearance of deadlock lever [21] are installed, and the other end and locking location-plate [25] are fixed; Spacing copper sheathing [24] is installed with the circular hole interference fit of front panel [35]; One end of gag lever post [22] is fixed on the inside of locking holder [26] under the elastic force of gag lever post Compress Spring [28] and the pressure effect of lock nut [27], mid portion and spacing copper sheathing [24] matched in clearance are installed, and the other end and locking location-plate [25] are fixed; Locking holder [26] is fixed with front panel [35]; Lock nut [27] is threaded with locking holder [26] and is arranged on the inside of locking holder [26]; Locking hand installs the square hole matched in clearance of the end of [29] and lock nut [27]; Lock dog [30] is connected with front panel [35], and the obturator hernia of door [31] aligns one end of deadlock lever [21];
The axis of up and down bar [20] and the axis of gag lever post [22] are in same plane, and moving up and down of up and down bar [20] can pass in and out the gap position of gag lever post [22];
The square hole matched in clearance of isolating switch [15] right-hand member square bar and eccentric wheel [14] is installed, and fixes bottom it with top board [16]; Travel switch is fixed on front panel [35], the shake-up part of travel switch [34] just and locking location-plate [25] keep in touch.
2. the locking device of mine-used frequency-converter according to claim 1, it is characterized in that, described handle disk body [7] is provided with three arc notch, respectively corresponding power frequency, frequency conversion and stopping, and combined floodgate gag lever post [3] is in one of them arc notch all the time.
3. the locking device of mine-used frequency-converter according to claim 2, it is characterized in that, travel switch [34] is fixed on front panel [35] by substrate [32] and mounting panel [32], substrate [32] welds with front panel [35], and travel switch [34] is installed by mounting panel [33] and substrate [32] transition.
4. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, it is characterized in that, the mode that described button cover [1] is fixedly connected with chamber wall [6] is two-sided continuous welding, and combined floodgate gag lever post [3] is fixedly connected with by screw with outer pad [5].
5. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, is characterized in that, the mode that described combined floodgate cover [8] is fixedly connected with chamber wall [6] is two-sided continuous welding.
6. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, it is characterized in that, handle set [11] and handle disk body [7], handle [12] are welded as a whole, and are fixedly connected with combined floodgate axle [13] screw by pressure pad [10].
7. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, is characterized in that, spacing axle bed [18] is fixed by screw and top board [16].
8. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, is characterized in that, described deadlock lever [21] and gag lever post [22] are all fixed by screw and locking location-plate [25].
9. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, is characterized in that, described locking holder [26] and lock dog [30] are all fixed by screw and front panel [35].
10. the locking device of the mine-used frequency-converter according to claim 1,2 or 3, is characterized in that, described isolating switch [15] bottom is fixed by screw and top board [16].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896437.8U CN205122420U (en) | 2015-11-11 | 2015-11-11 | Mine used frequency converter's blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896437.8U CN205122420U (en) | 2015-11-11 | 2015-11-11 | Mine used frequency converter's blocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122420U true CN205122420U (en) | 2016-03-30 |
Family
ID=55578004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520896437.8U Withdrawn - After Issue CN205122420U (en) | 2015-11-11 | 2015-11-11 | Mine used frequency converter's blocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205122420U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261500A (en) * | 2015-11-11 | 2016-01-20 | 中国船舶重工集团公司第七一六研究所 | Locking device of mine-used frequency converter |
| CN108400039A (en) * | 2018-04-19 | 2018-08-14 | 天地（常州）自动化股份有限公司 | Electric apparatus for explosive atmospheres combines electromechanical blocking device |
| CN111524741A (en) * | 2020-05-08 | 2020-08-11 | 珠海优特电力科技股份有限公司 | Knife switch locking device |
-
2015
- 2015-11-11 CN CN201520896437.8U patent/CN205122420U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261500A (en) * | 2015-11-11 | 2016-01-20 | 中国船舶重工集团公司第七一六研究所 | Locking device of mine-used frequency converter |
| CN105261500B (en) * | 2015-11-11 | 2018-01-02 | 中国船舶重工集团公司第七一六研究所 | The blocking device of mine-used frequency-converter |
| CN108400039A (en) * | 2018-04-19 | 2018-08-14 | 天地（常州）自动化股份有限公司 | Electric apparatus for explosive atmospheres combines electromechanical blocking device |
| CN108400039B (en) * | 2018-04-19 | 2023-11-14 | 天地（常州）自动化股份有限公司 | Combined electromechanical locking device of explosion-proof electrical equipment |
| CN111524741A (en) * | 2020-05-08 | 2020-08-11 | 珠海优特电力科技股份有限公司 | Knife switch locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20180102 |