CN203706949U - Built-in switch interlocking device for mining explosiveproof control box - Google Patents
Built-in switch interlocking device for mining explosiveproof control box Download PDFInfo
- Publication number
- CN203706949U CN203706949U CN201420078847.7U CN201420078847U CN203706949U CN 203706949 U CN203706949 U CN 203706949U CN 201420078847 U CN201420078847 U CN 201420078847U CN 203706949 U CN203706949 U CN 203706949U
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- switch
- interlocking
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- box body
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- 238000005065 mining Methods 0.000 title claims abstract description 20
- 230000005484 gravity Effects 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims description 16
- 230000003211 malignant effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a built-in switch interlocking device for a mining explosiveproof control box. The built-in switch interlocking device comprises a switch interlocking device, a box body and a box door, wherein the switch interlocking device is mounted in the box body, the box body is provided with a switch rod, the switch interlocking device is mounted in the box body through the switch rod, the switch rod is provided with a cam disc, the box body is internally provided with a backing board and an interlocking block, the interlocking block is provided with an interlocking channel, the backing board is provided with a left side pressure board, a right side pressure board, an interlocking rod and a gravity limit rod, the interlocking rod is equipped with a reset spring, one end of the interlocking rod is in sliding contact with the cam disc, and the other end of the interlocking rod penetrates through the interlocking channel. The built-in switch interlocking device is concise in appearance, can not only satisfy interlocking requirements of the switch and the box door, greatly reduces great malignant accidents caused by error operation, can realize artificial locking release and greatly improves the work condition for technicians.
Description
Technical Field
The utility model relates to a mining flame proof control box, specifically speaking relates to a built-in switch interlock for mining flame proof control box.
Background
The switch interlocking device of the mining explosion-proof control box in the market at present generally adopts an external mechanical locking switch interlocking device, the interlocking device can cause interlocking failure due to misoperation and the like in actual use, in addition, the interlocking device can be damaged and fail due to severe impact in the transportation process, so that effective interlocking between the switch and the box body of the external interlocking device is difficult to realize, and great potential safety hazard exists in the mine environment of explosive mixtures.
Secondly, before the external switch interlocking device is powered off and the box door is opened, the interlocking rod needs to be manually screwed into the switch handle to unlock the box body, so that the operation is complex, and the working efficiency is reduced.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an avoid the weak point that above-mentioned prior art exists, provide a built-in switch interlock for mining flame proof control box to solve mining flame proof control box and opening the chamber door in-process because the problem of maloperation initiation accident, improve work efficiency, effectively ensure safety in the pit production.
The utility model discloses the technical scheme who adopts does:
the utility model provides a built-in switch interlock for mining flame proof control box, includes switch interlock, box and chamber door, switch interlock installs in the box, is provided with the switch lever on the box, switch interlock passes through the switch lever and installs in the box, be provided with the cam disc on the switch lever, be provided with backing plate and interlocking block in the box, interlocking channel has been seted up on the interlocking block, be provided with left side clamp plate, right side clamp plate, interlocking rod and gravity gag lever post on the backing plate, install reset spring on the interlocking rod, interlocking rod one end and cam disc sliding contact, the other end wears to locate in the interlocking channel.
The cam disc is installed on a switch rod in the box body, the switch rod penetrates through the box body from inside to outside and is rotatably installed on the box body, a switch sleeve is arranged on the switch rod and is sleeved with the switch rod, and a limiting column penetrates through the switch sleeve.
The cam disc is of a notch-type disc-shaped structure with an eccentric structure, and comprises an outer arc edge, an inner arc edge, a first straight edge, a second straight edge and a third straight edge; the radius corresponding to the first straight edge is smaller than the radius corresponding to the second straight edge.
The base plate is provided with a first mounting hole, and the left side pressing plate and the right side pressing plate are provided with a second mounting hole corresponding to the first mounting hole.
Interlocking rod holes are formed in the left side pressing plate and the right side pressing plate, and the interlocking rods penetrate through the interlocking rod holes.
And the interlocking rod is provided with a limiting groove and a return spring.
The backing plate is provided with the location axle, the gravity gag lever post is installed at the location epaxially, the gravity gag lever post includes left side gravity gag lever post and right side gravity gag lever post, the quality of left side gravity gag lever post is greater than the quality of right side gravity gag lever post.
The box body and the box door are provided with flanges, an upper end buckling plate and a lower end buckling plate are mounted on the flanges, and the gravity limiting rod is arranged between the upper end buckling plate and the lower end buckling plate.
The switch lever outside the box body is connected with a switch operating handle, and the switch lever inside the box body is connected with a combination switch.
Since the technical scheme is used, the utility model discloses the beneficial effect who gains does:
in the built-in switch interlocking device for the mining explosion-proof control box, after the box door is closed, the control box can be switched on and normally works, at the moment, the switch interlocking device and the box door form a lock, and the box door cannot be opened; the rotary switch operating handle is switched on and switched off, so that the box door can be opened; when the box door is opened, the interlocking rod is limited by the left gravity limiting rod and cannot move rightwards, and the switch operating handle cannot be switched on; at the moment, if the external conditions allow and the actual operation needs to be switched on, the left gravity limiting rod can be lifted upwards artificially, the limitation of the left gravity limiting rod on the linkage rod is removed, and the switch operating handle can be rotated to switch on. The utility model discloses a not only guaranteed that the chamber door can not open under the combined floodgate state, can not combined floodgate under the chamber door open mode, can artificially relieve the shutting again when needs, reduced greatly because the major malignant accident that the maloperation causes.
And secondly, the switch interlocking device is built-in, has simple appearance, high self-protection level, simple structure and convenient use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the middle opening interlock device of the present invention.
Fig. 3 is a sectional view of the switch interlock device of the present invention.
Wherein,
1. 1-1 part of switch interlocking device, 1-2 parts of base plate, 1-3 parts of interlocking rod, 1-4 parts of reset spring, 1-5 parts of left side pressing plate, 1-6 parts of right side pressing plate, 1-7 parts of second mounting hole, 2 parts of positioning shaft, 2-1 part of box body, 2-2 parts of upper end buckle plate, 2-3 parts of lower end buckle plate, 2-4 parts of switch sleeve, 3 parts of limit column, 3-1 parts of box door, 3-2 parts of interlocking block, 4 parts of flange, 5 parts of switch operating handle, 6 parts of combined switch, 7 parts of switch rod, 7-1 parts of cam disc, 7-2 parts of first straight edge, 7-3 parts of second straight edge, 7-4 parts of third straight edge, 8 parts of outer circular arc edge, 8-1 parts of gravity limiting rod, 8-2 parts, Interlock passageway 11, spacing groove.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, the built-in switch interlocking device for the mining explosion-proof control box comprises a switch interlocking device 1, a box body 2 and a box door 3, the switch interlocking device 1 is arranged in the box body 2, the box body 2 is provided with a switch rod 6, the switch interlocking device 1 is arranged in the box body 2 through the switch rod 6, the switch lever 6 is provided with a cam disc 7, the box body 2 is internally provided with a backing plate 1-1 and an interlocking block 3-1, an interlocking channel 9 is arranged on the interlocking block 3-1, a left side pressing plate 1-4, a right side pressing plate 1-5, an interlocking rod 1-2 and a gravity limiting rod 8 are arranged on the backing plate 1-1, and a return spring 1-3 is arranged on the interlocking rod 1-2, one end of the interlocking rod 1-2 is in sliding contact with the cam disc 7, and the other end of the interlocking rod is arranged in the interlocking channel 9 in a penetrating way.
The cam disc 7 is installed on a switch rod 6 in the box body 2, the switch rod 6 penetrates through the box body 2 from inside to outside and is rotatably installed on the box body 2, a switch sleeve 2-3 is arranged on the switch rod 6, the switch sleeve 2-3 is sleeved with the switch rod 6, and a limiting column 2-4 penetrates through the switch sleeve 2-3.
The cam disc 7 is of a notch-type disc-shaped structure with an eccentric structure, and the cam disc 7 comprises an outer circular arc edge 7-4, an inner circular arc edge, a first straight edge 7-1, a second straight edge 7-2 and a third straight edge 7-3; the radius corresponding to the first straight side 7-1 is smaller than the radius corresponding to the second straight side 7-2.
The base plate 1-1 is provided with a first mounting hole, and the left side pressing plate 1-4 and the right side pressing plate 1-5 are provided with a second mounting hole 1-6 corresponding to the first mounting hole.
Interlocking rod holes are formed in the left side pressing plate 1-4 and the right side pressing plate 1-5, and the interlocking rods 1-2 penetrate through the interlocking rod holes.
The interlocking rod 1-2 is provided with a limiting groove 11 and a return spring 1-3.
The base plate 1-1 is provided with a positioning shaft 1-7, the gravity limiting rod 8 is installed on the positioning shaft 1-7, the gravity limiting rod 8 comprises a left gravity limiting rod 8-1 and a right gravity limiting rod 8-2, and the mass of the left gravity limiting rod 8-1 is larger than that of the right gravity limiting rod 8-2.
The box body 2 and the box door 3 are provided with flanges 3-2, the flanges 3-2 are provided with upper end buckling plates 2-1 and lower end buckling plates 2-2, and the gravity limiting rod 8 is arranged between the upper end buckling plates 2-1 and the lower end buckling plates 2-2.
The switch lever 6 outside the box 2 is connected with the switch operating handle 4, and the switch lever 6 inside the box 2 is connected with the combined switch 5.
The operation process of the utility model can be described as follows:
under the normal use state, chamber door 3 closes, and switch interlock 1 is in the shutting state, and interlocking rod 1-2 penetrates in interlocking channel 9, and at this moment, reset spring 1-3 is in compression state, and chamber door 3 can not be opened.
When the box door 3 needs to be opened, the switch operating handle 4 must be rotated counterclockwise from the outside of the box body 2 to disconnect the combination switch 5, the switch operating handle 4 drives the switch rod 6 and the cam disc 7 to rotate together in the power-off process until the limiting columns 2-4 contact the second straight edge 7-2, at this time, the combination switch 5 is disconnected, and the cam disc 7 cannot rotate continuously under the limitation of the limiting columns 2-4. Since the cam plate 7 is a notch-type disc structure having an eccentric structure and is in sliding contact with the interlocking lever 1-2, the interlocking lever 1-2 is released from the interlocking channel 9 as the cam plate 7 moves a distance to the left by the return spring 1-3. At this time, the interlocking of the box body 2 and the switch interlocking device 1 is released, and the box door 3 can be lifted upward and opened. In the process of lifting and opening the box door 3, the right gravity limiting rod 8-2 is not limited by the upper end buckle 2-1 any more, and the left gravity limiting rod 8-1 falls into the limiting groove 11 under the action of gravity. At this time, due to the limitation of the gravity limiting rod 8 on the interlocking rod 1-2, the interlocking rod 1-2 cannot move rightwards, namely, the switch operating handle 4 cannot be rotated to be switched on, and the combination switch 5 is in an off state. However, if the maintenance is required and the external conditions permit, the left gravity-operated stopper 8-1 may be manually lifted up from the stopper groove 11, the restriction of the interlock lever 1-2 is released, and the rotary switch operating handle 4 is turned on.
When the door 3 needs to be closed, the door 3 needs to be closed firstly, in the closing process of the door 3, the upper end buckle 2-1 presses the right gravity limiting rod 8-2 downwards, the left gravity limiting rod 8-1 rises from the limiting groove 11, the limitation on the interlocking rod 1-2 is removed, at the moment, the switch operating handle 4 can be rotated clockwise from the outside of the box body 2, the switch operating handle 4 drives the switch rod 6 and the cam disc 7 to rotate together until the limiting column 2-4 contacts the first straight edge 7-1, at the moment, the combined switch is closed, and the cam disc 7 cannot rotate continuously under the limitation of the limiting column 2-4. During the closing process, the interlocking rod 1-2 moves rightwards for a certain distance, the return spring 1-3 is compressed, the interlocking rod 1-2 returns to the interlocking channel 9 again, and at the moment, the switch interlocking device 1 and the box body 2 establish an interlocking relationship again.
It is further understood that the specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a built-in switch interlock for mining flame proof control box which characterized in that: including switch interlock, box and chamber door, switch interlock installs in the box, is provided with the switch lever on the box, switch interlock passes through the switch lever to be installed in the box, be provided with the cam disc on the switch lever, be provided with backing plate and interlocking block in the box, interlocking channel has been seted up on the interlocking block, be provided with left side clamp plate, right side clamp plate, interlocking lever and gravity gag lever post on the backing plate, install reset spring on the interlocking lever, interlocking lever one end and cam disc sliding contact, the other end is worn to locate in the interlocking channel.
2. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, characterized in that: the cam disc is installed on a switch rod in the box body, the switch rod penetrates through the box body from inside to outside and is rotatably installed on the box body, a switch sleeve is arranged on the switch rod and is sleeved with the switch rod, and a limiting column penetrates through the switch sleeve.
3. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, characterized in that: the cam disc is of a notch-type disc-shaped structure with an eccentric structure, and comprises an outer arc edge, a first straight edge, a second straight edge and a third straight edge; the radius corresponding to the first straight edge is smaller than the radius corresponding to the second straight edge.
4. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, characterized in that: the base plate is provided with a first mounting hole, and the left side pressing plate and the right side pressing plate are provided with a second mounting hole corresponding to the first mounting hole.
5. The built-in switch interlocking device for the mining explosion-proof control box according to claim 4, characterized in that: interlocking rod holes are formed in the left side pressing plate and the right side pressing plate, and the interlocking rods penetrate through the interlocking rod holes.
6. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, characterized in that: and the interlocking rod is provided with a limiting groove and a return spring.
7. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, characterized in that: the backing plate is provided with the location axle, the gravity gag lever post is installed at the location epaxially, the gravity gag lever post includes left side gravity gag lever post and right side gravity gag lever post, the quality of left side gravity gag lever post is greater than the quality of right side gravity gag lever post.
8. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, characterized in that: the box body and the box door are provided with flanges, an upper end buckling plate and a lower end buckling plate are mounted on the flanges, and the gravity limiting rod is arranged between the upper end buckling plate and the lower end buckling plate.
9. The built-in switch interlocking device for the mining explosion-proof control box according to claim 1, which is characterized in that: the switch lever outside the box body is connected with a switch operating handle, and the switch lever inside the box body is connected with a combination switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078847.7U CN203706949U (en) | 2014-02-22 | 2014-02-22 | Built-in switch interlocking device for mining explosiveproof control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078847.7U CN203706949U (en) | 2014-02-22 | 2014-02-22 | Built-in switch interlocking device for mining explosiveproof control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706949U true CN203706949U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420078847.7U Expired - Fee Related CN203706949U (en) | 2014-02-22 | 2014-02-22 | Built-in switch interlocking device for mining explosiveproof control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706949U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779099A (en) * | 2015-04-13 | 2015-07-15 | 山西汾西机电有限公司 | Multi-electromechanical-interlocking mechanism of explosion-proof electrical box of underground coal mine |
| CN109225674A (en) * | 2018-10-30 | 2019-01-18 | 广州小乙科技有限公司 | A kind of integrated laboratory high speed tube centrifuge of cooling and lubricating |
-
2014
- 2014-02-22 CN CN201420078847.7U patent/CN203706949U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779099A (en) * | 2015-04-13 | 2015-07-15 | 山西汾西机电有限公司 | Multi-electromechanical-interlocking mechanism of explosion-proof electrical box of underground coal mine |
| CN104779099B (en) * | 2015-04-13 | 2016-12-07 | 山西汾西机电有限公司 | The multiple electromechanical interlock mechanism of underground coal mine explosion-proof electrical appliance case |
| CN109225674A (en) * | 2018-10-30 | 2019-01-18 | 广州小乙科技有限公司 | A kind of integrated laboratory high speed tube centrifuge of cooling and lubricating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG KEDA ELECTRICAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANDONG KEDA M + E TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 272103, Shandong province Jining hi tech Zone Wang Industry Zone 1 (Shandong branch Electromechanical Science and Technology Co., Ltd.) Patentee after: Shandong Keda Electrical Technology Co., Ltd. Address before: 272103, Shandong province Jining hi tech Zone Wang Industry Zone 1 (Shandong branch Electromechanical Science and Technology Co., Ltd.) Patentee before: Shandong Keda M&E Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20190222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |