CN201007969Y - Stepping closedown flame-proof type vacuum feeder switch for mining - Google Patents
Stepping closedown flame-proof type vacuum feeder switch for mining Download PDFInfo
- Publication number
- CN201007969Y CN201007969Y CNU2007201064415U CN200720106441U CN201007969Y CN 201007969 Y CN201007969 Y CN 201007969Y CN U2007201064415 U CNU2007201064415 U CN U2007201064415U CN 200720106441 U CN200720106441 U CN 200720106441U CN 201007969 Y CN201007969 Y CN 201007969Y
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- Prior art keywords
- switch
- cavity
- transmission shaft
- explosion
- outrage
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- 238000005065 mining Methods 0.000 title claims description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000001960 triggered effect Effects 0.000 claims abstract description 3
- 238000004880 explosion Methods 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 19
- 230000001012 protector Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 241000227287 Elliottia pyroliflora Species 0.000 abstract 2
- 238000010892 electric spark Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
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Abstract
The utility model discloses a hierarchical latch and crack preventing type vacuum feeder switch, which comprises a shell of the switch and a switch body. The utility model is characterized in that it also comprises a mechanical latch device and a hierarchical latch control circuit triggered by the mechanical latch device, wherein the mechanical latch device comprises an energizing and outrage part, a transmission part and a cover opening portion, the energizing and outrage part comprises a energizing and outrage shaft, a setting bolt spring sleeved on the energizing and outrage shaft, an energizing and outrage shaft copper bush and an energizing and outrage shaft socket, the transmission part comprises a transmission shaft, a cam connected with the transmission shaft by thread, a transmission copper bush sleeved at the transmission shaft and a transmission shaft socket, the transmission part is sleeved on the wire splice tube body, the cover opening part comprises a pallet, a lock disk, a lock disk base and a pin. The utility model has the advantage of thoroughly eliminating the possibility of serious accident caused by fault and rule violating operation of opening the tube cover or electrical sparkle burning the gas when electrified door opening operation is processed.
Description
Technical field
The utility model relates to a kind of feeding switch, relates in particular to a kind of mining hierarchical-locked explosion-isolated type vacuum feed switch.
Background technology
Under the quality condition of existing coal mine environment, technology and coal miner, use for existing low-voltage explosion-proof vacuum feed switch under the coal mine, underground labour's misoperation or operate against regulations happens occasionally, and domesticly takes place once that workman for several times is charged to open the former wire connection cavity of low pressure flame proof feeding switch (in power supply input wires terminal and power supply output wiring terminal and control line terminal are arranged) lid and chargedly open that the explosion insulation main cavity Qianmen is overhauled and the major accident that produces the electric spark actuation gas.Accidents caused main cause at technical elements has: (1) although be provided with mechanical locking device, disconnects isolating switch, open the Qianmen after, the binding post in the explosion-proof chamber is still charged; (2) the wire connection cavity loam cake does not have latch-up protection.Because there is this defective technically in existing mining low-voltage explosion-proof vacuum feed switch, make that the former wire connection cavity of mining low pressure flame-proof type vacuum feed switch (in power supply input wires terminal and power supply output wiring terminal and control line terminal are arranged) is opened in the violating the regulations or misoperation of individual operation personnel thereby live line working generation electric spark actuation gas is carried out at lid and explosion insulation main cavity Qianmen.
The utility model content
The utility model is to overcome the defective that prior art exists, purpose is to provide a kind of mining hierarchical-locked explosion-isolated type vacuum feed switch, this mining hierarchical-locked explosion-isolated type vacuum feed switch is graded latch not only, and thoroughly solve the difficult problem of the violating the regulations or accidents such as electric spark actuation gas that misoperation produces of workman from the source, when opening the wire connection cavity lid, make upper level switch disconnecting consumers side power supply, any binding post in the hierarchical-locked explosion-isolated type vacuum feed switch of the mining low pressure at the corresponding levels power supply input and output wiring wire connection cavity is not charged, the Lock effect has solved the problem of existence of the prior art.
The utility model is to achieve the above object by the following technical programs: a kind of mining hierarchical-locked explosion-isolated type vacuum feed switch comprises shell, the Switch main body of switch; The shell of described switch comprises wire connection cavity, explosion insulation main cavity, and wire connection cavity, explosion insulation main cavity are separated by base plate, and wire connection cavity comprises wiring cavity and chamber lid, is provided with binding post, cable guide in the wiring cavity; Explosion insulation main cavity comprises main cavity, Qianmen, and Switch main body is located in the main cavity; Also comprise a mechanical locking device and the graded latch control circuit that is triggered by mechanical locking device, described mechanical locking device comprises power on/off part, running part, the part of uncapping; Power on/off partly comprises the break-make electric axis, be set in stage clip on the break-make electric axis and break-make electric axis copper sheathing, the power on/off axle sleeve; Running part comprises power transmission shaft, the cam that is threaded with power transmission shaft, is set in power transmission shaft copper sheathing and propeller shaft tube on the power transmission shaft; Running part is located on the wiring cavity; The part of uncapping comprises clamp, lock collar, lock collar seat, pin; Described clamp and wire connection cavity chamber lid are connected as a single entity, and lock collar, lock collar cover for seat are established on the power transmission shaft, and pin is located on the lock collar, and the meniscate barb on pin and the clamp is complementary; Described power on/off partly is located on the base plate, and break-make electric axis one end contacts with the displacement switch of graded latch control circuit, and the other end contacts with cam.
On described explosion insulation main cavity body, also be provided with a carrier base, establish a threaded support on the carrier base, on described Qianmen, also be provided with a carrier base, establish the support of a band through hole on the carrier base, deadlock lever is located on support, the support, and threaded part is threaded with threaded support on the deadlock lever; On described lock collar, be provided with lockhole with the deadlock lever coupling.
Described graded latch control circuit comprises displacement switch, Carrier, earth leakage search/lockout circuit, protector; Displacement switch is connected with protector by relay, and protector links to each other with Carrier, and Carrier links to each other with the feeding switch of upper level respectively with the earth leakage search/lockout circuit.
The beneficial effects of the utility model: thoroughly eliminated violating the regulations, misoperation technically and opened the possibility that mining hierarchical-locked explosion-isolated type vacuum feed switch power supply input and output chambeies lid or the charged operation of opening the door produce the major accident that the electric spark actuation gas causes, realize graded latch, its machinery-electric locking device for mechanical structure and control circuit are simple, easily process and assemble and maintenance.
Description of drawings
Fig. 1 is the structural representation of the mining hierarchical-locked explosion-isolated type vacuum feed switch among the utility model embodiment 1;
Fig. 2 is the left view of the mining hierarchical-locked explosion-isolated type vacuum feed switch of Fig. 1;
Fig. 3 is the enlarged diagram of the power on/off part among Fig. 1;
Fig. 4 is the circuit theory diagrams of the graded latch control circuit among the utility model embodiment 1;
Embodiment
The utility model is further elaborated by embodiment below in conjunction with accompanying drawing:
Embodiment 1: shown in Fig. 1,2,3,4, a kind of mining hierarchical-locked explosion-isolated type vacuum feed switch comprises shell, the Switch main body of switch; The shell of described switch comprises wire connection cavity, explosion insulation main cavity, and wire connection cavity, explosion insulation main cavity are separated by base plate, and wire connection cavity comprises wiring cavity 16 and chamber lid 5, is provided with binding post, cable guide in the wiring cavity 16; Explosion insulation main cavity comprises main cavity 11, Qianmen, and Switch main body is located in the main cavity 11; The graded latch control circuit that also is provided with a mechanical locking device in the enclosure and triggers by mechanical locking device, described mechanical locking device comprises power on/off part, running part, the part of uncapping; Power on/off partly comprises break-make electric axis 18, be set in stage clip 19 on the break-make electric axis 18 and break-make electric axis copper sheathing 21, power on/off axle sleeve 20; Running part comprises power transmission shaft 9, the cam 17 of fixedlying connected with power transmission shaft 9, is set in power transmission shaft copper sheathing 14 and propeller shaft tube 15 on the power transmission shaft 9; Running part is located on the wiring cavity; The part of uncapping comprises clamp 4, lock collar 3, lock collar seat 12, pin 13; Described clamp 4 is connected as a single entity with wire connection cavity chamber lid 5, and on lock collar 3, the lock collar seat 12 sheathed power transmission shafts 9, pin 13 is located on the lock collar 3, and the meniscate barb on pin 13 and the clamp 4 is complementary; Described power on/off partly is located on the base plate, and break-make electric axis 18 1 ends contact with the displacement switch 22 of graded latch control circuit, and the other end contacts with cam 17.
On described explosion insulation main cavity body, also be provided with a carrier base 6, establish a threaded support 8 on the carrier base 6, on described Qianmen, also be provided with a carrier base 1, establish the support 2 of a band through hole on the carrier base 1, deadlock lever 6 is located on support 8, the support 2, and threaded part is threaded with threaded support 8 on the deadlock lever 6; On described lock collar 3, be provided with lockhole with deadlock lever 6 couplings.
Described graded latch control circuit comprises displacement switch 22, Carrier 25, earth leakage search/lockout circuit 24, protector 23; Displacement switch 22 is connected with protector 23 by relay, and protector 23 links to each other with Carrier 25, and Carrier 25 links to each other with the feeding switch of upper level respectively with earth leakage search/lockout circuit 24.
A kind of mining low pressure flame-proof type vacuum feed switch as shown in Figure 1, power supply input and power supply output wiring terminal are built up on the same wire connection cavity base plate, uncap and realize that with opening the door graded latch device for mechanical part body is identical, uncapping and open the door, dress break-make electric axis 18 penetrates into the switch explosion insulation main cavity to graded latch machinery-electric locking device for mechanical part in the power supply input and output wire connection cavity base plate upper left side power on/off axle sleeve by being welded on, break-make electric axis 18 is with stage clip 19, one end contacts with the displacement switch that links to each other with auxiliary relay KM one end that is fixed on switch explosion insulation main cavity inwall, cam 17 in the other end is connected with button and is arranged on wire connection cavity contacts, to be with the power transmission shaft 9 of driving sleeve fixing with passing the wire connection cavity left side wall for cam 17, power transmission shaft 9 other ends are fixed on power transmission shaft 9 by pin 10 with lock collar 3 sockets, like this, power transmission shaft 9 and cam 17, lock collar 3 constitutes interlock, constitutes the graded latch machinery that opens the door or uncap jointly with break-make electric axis 18 and realizes.By 90 ° of rotating drive shafts, lock collar 3 is rotated 90 °, can realize the operation of opening the door and uncap, simultaneously, cam 17 rotates, break-make electric axis 18 1 end buttons that are with stage clip 19 are depressed, the displacement switch button that the other end that makes break-make electric axis 18 enter explosion insulation main cavity connects is pressed, its normal opened contact closure, thus auxiliary relay KM connected, the action of one normal opened contact, the carrier blocking circuit that constitutes sends a series of assigned frequency pulse signals, when the upper level switch receives charged the uncapping or enabling signal that Carrier is sent, the action of leakage circuit isolating switch normal opened contact, thus realize the upper level outage.Lock cap 5 is connected with the wire connection cavity lid by nut, be fixed in the clamp 4 of 5 one jiaos of lock caps, clamp 4 pins lock cap 5 jointly with the pin that is built up on the outer lock collar 3 of wire connection cavity sidewall, under the switch normal operating condition, lock cap 5 is lockable and can not translation opens, when 90 ° of rotating drive shafts, rotate 90 ° with the lock collar 3 of power transmission shaft 9, cam 17 interlockings, pin produces clamp 4, can realize that then translation opens lock cap 5, thereby can uncap.Deadlock lever 6 one ends contact with lock collar 3 one lockholes, the other end contact with the support of band through hole, and fixedly on the carrier base of Qianmen, deadlock lever 6 threaded section cross-under are on support 8 for the support of being with through hole, threaded support 8 is connected with carrier base 7, and carrier base 7 is fixed on the explosion insulation main cavity body.Under the switch normal operating condition, the explosion-proof switch Qianmen is fixed by deadlock lever 6 and support and can not be opened by translation dislocation mode, when 90 ° of rotating drive shafts, rotate 90 ° with the lock collar 3 of power transmission shaft 9, cam 17 interlockings, deadlock lever 6 one ends contact with lock collar 3 another lockholes, the threaded support 8 of turn, the deadlock lever 6 indentation other ends shift out the rack ventilating hole that is fixed on the Qianmen, thereby can open the Qianmen.
Cable guide comprises power supply input cable guide; power supply input control cable guiding tube; power supply output cable guiding tube; power supply output control cable guiding tube; binding post comprises the power supply lead-in clamp; the power supply output wiring terminal; the graded latch control circuit that is arranged on the explosion-proof switch body comprises relay K M one normal opened contact; one end by isolating switch GK one normal opened contact connect again with the switch explosion insulation main cavity in from the other end of relay YD one normal opened contact that is connected of end one by one of power supply lead-in clamp; the other end passes through grounding through resistance; the other end of holding relay YD one normal opened contact that is connected one by one that comprises auxiliary relay DR one normal opened contact one end that links to each other with protector and explosion-proof switch power supply lead-in clamp; the other end constitutes the earth leakage search/lockout circuit by grounding through resistance; the Carrier that is arranged in the switch master chamber sends carrier signal; move by a relay normally open contact in the protector and to realize; its wiring of the input process of carrier signal is to form by the power supply lead-in clamp that enters from wire connection cavity in other the three termination explosion-proof switch of Carrier; often open the Carrier and access three phase network that node links to each other with protector one; when detecting charged uncap or during enabling signal; protector one normal opened contact closure; offering Carrier makes it send a series of assigned frequency pulses to electrical network; and the place ahead same model Carrier frequency pulse sequence on the detection of grid continuously; discovery has this signal; when then detecting leak current fault at the same time; show " charged uncapping "; otherwise; detect leak current fault when this carrier signal exists finding no, then be judged to real electric leakage.
Claims (3)
1. mining hierarchical-locked explosion-isolated type vacuum feed switch comprises shell, the Switch main body of switch; The shell of described switch comprises wire connection cavity, explosion insulation main cavity, and wire connection cavity, explosion insulation main cavity are separated by base plate, and wire connection cavity comprises wiring cavity (16) and chamber lid (5), and the wiring cavity is provided with binding post, cable guide in (16); Explosion insulation main cavity comprises main cavity (11), Qianmen, and Switch main body is located in the main cavity (11); It is characterized in that also comprising a mechanical locking device and the graded latch control circuit that is triggered by mechanical locking device, described mechanical locking device comprises power on/off part, running part, the part of uncapping; Power on/off partly comprises break-make electric axis (18), be set in stage clip (19) on the break-make electric axis (18) and break-make electric axis copper sheathing (21), power on/off axle sleeve (20); Running part comprises power transmission shaft (9), the cam (17) of fixedlying connected with power transmission shaft (9), is set in power transmission shaft copper sheathing (14) and propeller shaft tube (15) on the power transmission shaft (9); Running part is located on the wiring cavity; The part of uncapping comprises clamp (4), lock collar (3), lock collar seat (12), pin (13); Described clamp (4) is connected as a single entity with wire connection cavity chamber lid (5), and on lock collar (3), the sheathed power transmission shaft of lock collar seat (12) (9), pin (13) is located on the lock collar (3), and the meniscate barb on pin (13) and the clamp (4) is complementary; Described power on/off partly is located on the base plate, and break-make electric axis (18) one ends contact with the displacement switch (22) of graded latch control circuit, and the other end contacts with cam (17).
2. mining hierarchical-locked explosion-isolated type vacuum feed switch according to claim 1, it is characterized in that on described explosion insulation main cavity body, also being provided with a carrier base (6), establish a threaded support (8) on the carrier base (6), on described Qianmen, also be provided with a carrier base (1), establish the support (2) of a band through hole on the carrier base (1), deadlock lever (6) is located on support (8), the support (2), and deadlock lever (6) is gone up threaded part and is threaded with threaded support (8); On described lock collar (3), be provided with lockhole with deadlock lever (6) coupling.
3. mining hierarchical-locked explosion-isolated type vacuum feed switch according to claim 2 is characterized in that described graded latch control circuit comprises displacement switch (22), Carrier (25), earth leakage search/lockout circuit (24), protector (23); Displacement switch (22) is connected with protector (23) by relay, and protector (23) links to each other with Carrier (25), and Carrier (25) links to each other with the feeding switch of upper level respectively with earth leakage search/lockout circuit (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201064415U CN201007969Y (en) | 2007-02-09 | 2007-02-09 | Stepping closedown flame-proof type vacuum feeder switch for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201064415U CN201007969Y (en) | 2007-02-09 | 2007-02-09 | Stepping closedown flame-proof type vacuum feeder switch for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201007969Y true CN201007969Y (en) | 2008-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201064415U Expired - Fee Related CN201007969Y (en) | 2007-02-09 | 2007-02-09 | Stepping closedown flame-proof type vacuum feeder switch for mining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201007969Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152685A1 (en) * | 2008-06-19 | 2009-12-23 | 山西全安新技术开发有限公司 | A method for cutting off a power supply prior to open a cover and an apparatus thereof |
| CN102332368A (en) * | 2010-07-12 | 2012-01-25 | 中煤张家口煤矿机械有限责任公司 | Mechanical memory type superior feed cut-off device for explosion-proof switch |
| CN102394189A (en) * | 2011-06-17 | 2012-03-28 | 山东容力达矿用电器设备有限公司 | Mining explosion-proof electrical equipment advanced cover opening grading poweroff control apparatus |
| CN101388538B (en) * | 2008-11-10 | 2012-04-18 | 电光防爆科技股份有限公司 | Stepped locking explosion-proof switch |
| CN105332735A (en) * | 2014-08-11 | 2016-02-17 | 山西全安新技术开发有限公司 | System and method for preventing live working and gas explosion in coal mine |
| CN117613744A (en) * | 2024-01-24 | 2024-02-27 | 甘肃容和矿用设备集团有限公司 | Intrinsic safety feed switch for mining outage locking |
| CN117747337A (en) * | 2024-02-21 | 2024-03-22 | 山西王家岭煤业有限公司 | Mine tunnel high-voltage explosion-proof circuit breaker |
-
2007
- 2007-02-09 CN CNU2007201064415U patent/CN201007969Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152685A1 (en) * | 2008-06-19 | 2009-12-23 | 山西全安新技术开发有限公司 | A method for cutting off a power supply prior to open a cover and an apparatus thereof |
| AU2009260076B2 (en) * | 2008-06-19 | 2013-10-24 | Shanxi Quan'an New Technology Development Co., Ltd | A method for cutting off a power supply prior to open a cover and an apparatus thereof |
| US9200751B2 (en) | 2008-06-19 | 2015-12-01 | Shanxi Quan'an New Technology Development Co., Ltd. | Pre-cover-opening power-off method and apparatus |
| CN101388538B (en) * | 2008-11-10 | 2012-04-18 | 电光防爆科技股份有限公司 | Stepped locking explosion-proof switch |
| CN102332368A (en) * | 2010-07-12 | 2012-01-25 | 中煤张家口煤矿机械有限责任公司 | Mechanical memory type superior feed cut-off device for explosion-proof switch |
| CN102394189A (en) * | 2011-06-17 | 2012-03-28 | 山东容力达矿用电器设备有限公司 | Mining explosion-proof electrical equipment advanced cover opening grading poweroff control apparatus |
| CN105332735A (en) * | 2014-08-11 | 2016-02-17 | 山西全安新技术开发有限公司 | System and method for preventing live working and gas explosion in coal mine |
| CN105332735B (en) * | 2014-08-11 | 2018-01-30 | 山西全安新技术开发有限公司 | Prevent the method and system of colliery livewire work and gas explosion |
| CN117613744A (en) * | 2024-01-24 | 2024-02-27 | 甘肃容和矿用设备集团有限公司 | Intrinsic safety feed switch for mining outage locking |
| CN117613744B (en) * | 2024-01-24 | 2024-04-16 | 甘肃容和矿用设备集团有限公司 | Intrinsic safety feed switch for mining outage locking |
| CN117747337A (en) * | 2024-02-21 | 2024-03-22 | 山西王家岭煤业有限公司 | Mine tunnel high-voltage explosion-proof circuit breaker |
| CN117747337B (en) * | 2024-02-21 | 2024-04-12 | 山西王家岭煤业有限公司 | Mine tunnel high-voltage explosion-proof circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HENGTAI TECHNOLOGY CO.,LTD Free format text: FORMER OWNER: FEI JIANGHAI Effective date: 20100630 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 322200 ZHEJIANG HENGTAI TECHNOLOGY CO., LTD., PUJIANG ECONOMIC DEVELOPMENT ZONE, PUJIANG COUNTY, ZHEJIANG PROVINCE TO: 322200 ZHEJIANG HENGTAI TECHNOLOGY CO., LTD., NO. 288, YIDIANHONG STREET, ECONOMY DEVELOPMENT ZONE, PUJIANG COUNTY HEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100630 Address after: 322200 Zhejiang Hengtai Technology Co., Ltd., 288 Red Avenue, Pujiang Economic Development Zone, Zhejiang, China Patentee after: Zhejiang Hengtai Technology Co., Ltd. Address before: 322200 Zhejiang Hengtai Technology Co., Ltd., Pujiang Economic Development Zone, Zhejiang County, Pujiang Province Patentee before: Fei Jianghai |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20150209 |
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| EXPY | Termination of patent right or utility model |