CN117747337B - Mine tunnel high-voltage explosion-proof circuit breaker - Google Patents
Mine tunnel high-voltage explosion-proof circuit breaker Download PDFInfo
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- CN117747337B CN117747337B CN202410192152.XA CN202410192152A CN117747337B CN 117747337 B CN117747337 B CN 117747337B CN 202410192152 A CN202410192152 A CN 202410192152A CN 117747337 B CN117747337 B CN 117747337B
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- limiting
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- 238000005474 detonation Methods 0.000 claims abstract description 36
- 210000001503 joint Anatomy 0.000 claims abstract description 32
- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 4
- 239000003245 coal Substances 0.000 abstract description 13
- 238000004880 explosion Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000005422 blasting Methods 0.000 description 9
- 238000003032 molecular docking Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The invention discloses a mine tunnel high-voltage explosion-proof circuit breaker which comprises a box body and a closing unit, wherein a triggering piece is arranged on the box body, a plurality of switch assemblies are arranged in the closing unit, and a fixing seat, a mounting piece, a conductor, a butt joint piece and a detonation joint are arranged in the switch assemblies. The rotation trigger piece pushes the locking piece and the contact rod through the push plate, and the contact rod is kept to be in butt joint with the insertion rod in the insertion hole. The mine hole high-voltage explosion-proof circuit breaker is connected with the butt joint of the butt joint piece through the detonation joint and is fixed through the connecting body, so that the detonation joint is prevented from being pulled by external force, separation is caused, and the detonation work of a mine hole coal mine is affected. Meanwhile, the push plate is used for pushing the conductive piece through the rotation trigger piece, so that the conductive piece is in contact with the detonation joint in the butt joint piece, the detonation joint is prevented from being in direct contact with the push plate, disconnection is realized through the conductive piece which can be conveniently detached, and the explosion operation of a mine hole coal mine is prevented from being influenced by mistakes in busy.
Description
Technical Field
The invention relates to a coal mine switching technology, in particular to a mine tunnel high-voltage explosion-proof circuit breaker.
Background
Coal mines are areas where human beings mine coal resources in coal-rich mining areas, most of the coal mines belong to underground mining tunnels to mine coal when coal beds are far away from the ground surface, but blasting is also adopted to mine, and the blasting mining needs a control switch for controlling the blasting. The general circuit switch adopts a direct contact structure, but the control switch for blasting needs to be very careful, so that a plurality of protection structures are needed, and unnecessary accidents can be avoided. Meanwhile, the environment in the mine cavity is complex and dim, various conditions can occur due to slight carelessness, the detonating cord is pulled, and accordingly the detonating connector is separated from the control switch, and the detonating connector is disconnected or damaged.
CN210245438U discloses a manual brake separating mechanism of colliery underground distribution switch, through pressing the spring baffle for the brake separating axle promotes the second and turns over the board, and the second turns over the board and promotes the first and turn over the board rotation, realizes closing a floodgate. Although the switching-on mechanism structure can achieve the aim of quick switching-on, the switching-on mechanism structure has a large potential safety hazard, cannot achieve a protection effect on equipment in a mine cavity, and can cause accidents if the equipment is touched by mistake.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a mine hole high-voltage explosion-proof circuit breaker.
The technical scheme of the invention is realized as follows:
a mine tunnel high voltage explosion-proof circuit breaker, comprising:
the box body consists of a base and three side plates arranged on the base, a through hole is formed in one side of the box body, a movable chamber is formed in the middle of the box body, a cover plate is arranged on the box body, a through hole and a through groove are formed in the cover plate, a baffle plate is arranged in the through groove, the baffle plate is inserted into the through hole from the through groove, a trigger piece is arranged in the through hole, a push plate is arranged in the movable chamber, a push rod is arranged on the push plate, a first spring is sleeved on the push rod,
the closing unit of setting in opening department, the closing unit comprises a plurality of switch module, the lower extreme of baffle is equipped with the breach that holds switch module, switch module includes:
the fixed seat is arranged on the base, a fixed chamber is formed by hollowing out the middle of the fixed seat, a first sliding hole is arranged at one end of the fixed seat, a second sliding hole is arranged at the other end of the fixed seat, a fixed plate is arranged on the fixed seat, the pushing rod penetrates through the second sliding hole and enters the fixed chamber,
the mounting piece is arranged in the fixing chamber and consists of a connecting part, clamping plates which are symmetrically arranged and a bottom plate which is positioned at the lower end of the clamping plates, a clamping area is formed in the middle of the clamping plates,
the conductor is arranged in the clamping area and consists of a locking piece and a contact rod, the contact rod is provided with a second spring,
the butt joint part is arranged in the fixed chamber, one end of the butt joint part is contacted with the mounting part, the other end of the butt joint part penetrates through the first sliding hole to extend to the outside, one end positioned at the outside is provided with a first limiting end,
the detonation connector is connected with the butt joint part, the detonation connector is provided with an insertion rod, the middle of the butt joint part is provided with an insertion hole matched with the insertion rod, the detonation connector is also provided with a second limit end matched with the first limit end, the first limit end is connected with the second limit end through a connector,
the rotation trigger piece pushes the locking piece and the contact rod through the push plate, and the contact rod is kept to be in butt joint with the insertion rod in the insertion hole.
In the invention, the bottom of the fixing plate is provided with a first positioning body inserted into the clamping area, the butt joint part is provided with a positioning hole, and the fixing plate is provided with a second positioning body matched with the positioning hole.
In the invention, the trigger piece consists of a handle, a rod body and a cam, wherein the cam is in contact with the push plate, and the rod body is arranged in the through hole.
In the invention, the locking piece is integrally formed, the locking piece is provided with a connecting section, a locking section and an elastic section, the contact rod is positioned on the connecting section, the locking section extends from the upper end of the connecting section, the elastic section extends from the lower end of the connecting section, the locking section is provided with a locking part which is obliquely arranged, two sides of the locking part are provided with symmetrical fixing parts, the fixing parts are arranged in a vertical state, and a locking port is formed between the fixing part and the locking part.
In the invention, the clamping plate is provided with a thickening part and a blocking part, a locking area is formed between the thickening part and the blocking part, and the locking port is contacted with the thickening part when the second spring is not compressed.
In the invention, a first punching hole is arranged between the connecting section and the locking section, and a limiting body matched with the blocking part is arranged in the first punching hole.
In the invention, the fixing part is provided with the first sliding body, the connecting section is provided with the second sliding body, and the clamping plate is provided with the strip-shaped groove for sliding the first sliding body and the second sliding body.
In the invention, the elastic section is provided with a first bulge and a second bulge, the first bulge and the second bulge are positioned on the bottom plate, the second bulge is provided with a contact part extending upwards, the contact part is contacted with the pushing rod, a compression gap is formed between the contact part and the fixing part, the contact part is provided with a supporting arm extending between the symmetrical fixing parts, and the supporting arm is positioned at the lower end of the locking part.
In the invention, the connecting body consists of a body part, a first fixed arm, a second fixed arm and a positioning arm, wherein the first fixed arm and the second fixed arm are symmetrically arranged on the body part, the positioning arm is positioned between the first fixed arm and the second fixed arm, a first limiting area is formed between the first fixed arm and the positioning arm, a second limiting area is formed between the second fixed arm and the positioning arm, the first limiting end is positioned in the first limiting area, and the second limiting end is positioned in the second limiting area.
In the invention, the first limiting end and the second limiting end are provided with limiting grooves, limiting protrusions matched with the limiting grooves are arranged on the first fixing arm and the second fixing arm, a third limiting area is formed among the symmetrically arranged first fixing arm, the second fixing arm and the positioning arm, and the included angle among the first fixing arm, the second fixing arm and the positioning arm and the body part is smaller than 90 degrees.
The mine hole high-voltage explosion-proof circuit breaker has the following beneficial effects: the mine hole high-voltage explosion-proof circuit breaker is connected with the butt joint of the butt joint piece through the detonation joint and is fixed through the connecting body, so that the detonation joint is prevented from being pulled by external force, separation is caused, and the detonation work of a mine hole coal mine is affected. Meanwhile, the push plate is used for pushing the conductive piece through the rotation trigger piece, so that the conductive piece is in contact with the detonation joint in the butt joint piece, the detonation joint is prevented from being in direct contact with the push plate, disconnection is realized through the conductive piece which can be conveniently detached, and the explosion operation of a mine hole coal mine is prevented from being influenced by mistakes in busy.
Drawings
FIG. 1 is a schematic diagram of a mine tunnel high-voltage explosion-proof circuit breaker of the invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic diagram of the switch assembly of FIG. 2;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is an exploded view of FIG. 3;
FIG. 7 is a schematic view of the connector in FIG. 6;
FIG. 8 is a left side view of FIG. 7;
FIG. 9 is a schematic view of the squib joint of FIG. 6;
FIG. 10 is a schematic view of the docking member of FIG. 6;
FIG. 11 is a perspective view of the mounting member, second spring and conductive member of FIG. 6;
FIG. 12 is a schematic view of the conductive member of FIG. 11;
FIG. 13 is a schematic view of the structure of FIG. 12 in another direction;
fig. 14 is a front view of fig. 12;
FIG. 15 is a top view of FIG. 12;
fig. 16 is a cross-sectional view of a mounting member and a conductive member structure in accordance with the present invention.
In the figure: case 1, closing unit 2, detonation joint 3, trigger 4, holding end 5, base 6, side plate 7, opening 8, movable chamber 9, push plate 10, push rod 11, first spring 12, fixing base 13, second slide hole 14, fixing chamber 15, lock 16, cam 17, cover 18, through hole 19, through groove 20, shutter 21, handle 22, rod 23, switch assembly 24, notch 25, positioning block 26, mounting member 27, conductor 28, butt 29, fixing plate 30, connecting body 31, first slide hole 32, connecting portion 33, holding plate 34, bottom plate 35, holding area 36, contact rod 37, second spring 38, first limit end 39, insertion rod 40, insertion hole 41, second limit end 42, first positioning body 43, positioning hole 44 the second positioning body 45, the connecting section 46, the locking section 47, the elastic section 48, the locking portion 49, the first punched hole 50, the blocking portion 51, the restricting body 52, the thickened portion 53, the locking region 54, the locking opening 55, the fixing portion 56, the supporting surface 57, the first sliding body 58, the second sliding body 59, the bar-shaped groove 60, the first protrusion 61, the second protrusion 62, the contact portion 63, the compression gap 64, the supporting arm 65, the bent portion 66, the pushing portion 67, the arc-shaped portion 68, the notch 69, the arc-shaped protrusion 70, the body portion 71, the first fixing arm 72, the second fixing arm 73, the positioning arm 74, the first limiting region 75, the second limiting region 76, the limiting groove 77, the limiting protrusion 78, the third limiting region 79, the third sliding hole 80, and the bridging portion 81.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 16, the mine tunnel high-voltage explosion-proof circuit breaker of the present invention includes a case 1 and a closing unit 2. The closing unit 2 is arranged in the box body 1, and the closing unit 2 is connected with the detonation joint 3 for blasting multiple groups, so that the blasting of multiple groups of blasting areas is realized quickly. The detonation joint 3 is inserted, and then the trigger piece 4 is rotated to push the electric conductor 28 to be in contact with the detonation joint 3, so that electrification is realized, and the starting of blasting is controlled. Multiple protections can be achieved in complex environments under mine holes, and explosion caused by false triggering is avoided.
The conductor 28 can be easily taken out from the inside of the case 1, and when the explosion is required, it is mounted again, thereby improving the safety of the whole circuit breaker.
The box 1 comprises a base 6 and three side plates 7 arranged on the base 6, one side of the box is provided with a through hole 8, a movable chamber 9 is formed in the middle of the box 1, one side of the movable chamber 9 is provided with the through hole 8, the installation of the closed unit 2 is facilitated, and the upper end of the box is also provided with an opening.
A push plate 10 is arranged in the movable chamber 9, a push rod 11 is arranged on the push plate 10, and a first spring 12 is sleeved on the push rod 11. One end of the first spring 12 contacts the push plate 10, and the other end contacts the fixed seat 13, so that the first spring 12 is compressed between the push plate 10 and the fixed seat 13, and the push rod 11 is introduced into the fixed chamber 15 through the second sliding hole 14 to push the locking member 16 to move. And the cam 17 keeps the first spring 12 compressed to the compression limit after pushing the push plate 10, so that the push rod 11 can reach the maximum extension and keeps the push rod 11 pushing the locking piece 16 at the longest distance.
The box body 1 is provided with a cover plate 18, the cover plate 18 is provided with a through hole 19 and a through groove 20, a baffle 21 is arranged in the through groove 20, the baffle 21 is inserted into the through hole 8 from the through groove 20, and a trigger piece 4 is arranged in the through hole 19. The trigger 4 is composed of a handle 22, a rod 23 and a cam 17, the cam 17 is in contact with the push plate 10, and the rod 23 is disposed in the through hole 19. The handle 22 is positioned at the upper end of the cover plate 18, the cam 17 is positioned in the movable chamber 9, and the handle 22 is rotated to enable the rod body 23 to rotate in the through hole 19, and the push plate 10 is driven to move through the cam 17, so that the push rod 11 is pushed to compress the first spring 12.
The closing unit 2 is arranged at the through opening 8, the closing unit 2 is composed of a plurality of switch assemblies 24, and a notch 25 for accommodating the switch assemblies 24 is arranged at the lower end of the baffle 21. The switch assembly 24 can be detached from the box 1, is convenient to be taken out and stored independently, and is installed in the box 1 when the blasting operation of the coal mine is required. The fixed seat 13 can be fixed on the base 6 through bolts, or a stop block (not shown in the figure) can be arranged on the fixed seat 13, the stop block is positioned in the movable chamber 9, the stop block 21 is contacted with the stop block 21, and the stop block 21 is matched with the positioning block 26 in the movable chamber 9 to limit the fixed seat 13 in the movable chamber 9.
The switch assembly 24 includes a fixing base 13, a mounting member 27, an electrical conductor 28, a docking member 29, and a squib connector 3, the fixing base 13 is disposed between the barrier 21 and the positioning block 26, the mounting member 27 and the docking member 29 are disposed in the fixing base 13, and the mounting member 27 and the docking member 29 are fixed in the fixing chamber 15 by a fixing plate 30. The detonation joint 3 is led to the box body 1 from the coal mine explosion position, and is spliced with the butt joint 29 through the detonation joint 3, so that the detonation joint 3 and the butt joint 29 are conveniently spliced, and the connection is realized.
In order to avoid easy falling-off between the detonation joint 3 and the butt joint 29, the butt joint 29 and the detonation joint 3 are connected through the connecting body 31, the connecting body 31 can stably connect the butt joint 29 and the detonation joint 3, and the detonation joint 3 and the pushing rod 11 can be kept elastically movable.
The fixing base 13 is installed on the base 6, and the middle fretwork of fixing base 13 forms fixed room 15, and one end of fixing base 13 is equipped with first slide hole 32, and the other end is equipped with second slide hole 14, and the butt joint line is located first slide hole 32. The fixed seat 13 is provided with a fixed plate 30, and the pushing rod 11 passes through the second sliding hole 14 and enters the fixed chamber 15.
The mounting member 27 is disposed in the fixing chamber 15, and the mounting member 27 is composed of a connection portion 33, a clamping plate 34 symmetrically disposed and a bottom plate 35 disposed at a lower end of the clamping plate 34, and a clamping area 36 is formed in the middle of the clamping plate 34. The connecting portion 33 connects the clamping plate 34 and the bottom plate 35, and the connecting portion 33 is connected with the clamping plate 34 through an arc, so that elastic connection exists among the clamping plate 34, the bottom plate 35 and the connecting portion 33, and when one ends of the clamping plate 34 and the bottom plate 35 far away from the connecting portion 33 are stressed, the clamping plate 34 is kept open, and the bottom plate 35 and the clamping plate 34 are opened, so that quick installation and detachment of the electric conductor 28 can be facilitated.
The electric conductor 28 is arranged in the clamping area 36, the electric conductor 28 is composed of the locking piece 16 and a contact rod 37, a second spring 38 is arranged on the contact rod 37, one end of the second spring 38 is contacted with the locking piece 16, and the other end is contacted with the connecting part 33.
The abutting member 29 is installed in the fixing chamber 15, one end of the abutting member 29 is in contact with the installation member 27, the other end extends to the outside through the first sliding hole 32, and a first limiting end 39 is provided on one end located at the outside. The diameter of the first limiting end 39 is larger than that of the abutting piece 29, so that the connecting body 31 can be conveniently fixed.
The detonation joint 3 is connected with the butt joint 29, an insertion rod 40 is arranged on the detonation joint 3, and an insertion hole 41 matched with the insertion rod 40 is arranged in the middle of the butt joint 29. The detonation joint 3 is also provided with a second limiting end 42 matched with the first limiting end 39, the diameter of the second limiting end 42 is larger than that of the detonation joint 3, the first limiting end 39 is connected with the second limiting end 42 through a connecting body 31, and the first limiting end 39 is identical to the second limiting end 42.
The detonation joint 3 is also provided with a clamping end 5, and the clamping end 5 is clamped by a positioning arm 74.
The rotation trigger 4 pushes the lock 16 and the contact lever 37 through the push plate 10, holding the contact lever 37 in abutment with the insertion lever 40 in the insertion hole 41. The connecting portion 33 is provided with a third slide hole 80, and the contact lever 37 passes through the third slide hole 80 and enters the insertion hole 41.
A first positioning body 43 inserted in the clamping area 36 is provided at the bottom of the fixing plate 30, a positioning hole 44 is provided on the abutting member 29, and a second positioning body 45 cooperating with the positioning hole 44 is provided on the fixing plate 30. When the fixing plate 30 is mounted on the fixing base 13, the first and second positioning bodies 43 and 45 can fix the mounting member 27 and the docking member 29.
The locking piece 16 is integrally formed, and the locking piece 16 is provided with a connecting section 46, a locking section 47 and an elastic section 48. The contact lever 37 is located on the connection section 46, the locking section 47 extends from the upper end of the connection section 46, and the elastic section 48 extends from the lower end of the connection section 46. The locking section 47 is provided with a locking part 49 which is obliquely arranged, and the locking part 49 can be fixed in the mounting piece 27, is pushed to be in forced contact with the clamping plate 34 by the elastic force of the second spring 38, and cannot be separated from the clamping area 36.
A first punched hole 50 is provided between the connecting section 46 and the locking section 47, and a restricting body 52 that cooperates with the blocking portion 51 is provided in the first punched hole 50. The clamping plate 34 is provided with a thickened portion 53 and a blocking portion 51, a locking area 54 is formed between the thickened portion 53 and the blocking portion 51, and the locking opening 55 is in contact with the thickened portion 53 when the second spring 38 is not compressed. The locking region 54 may limit the locking member 16 from sliding in the middle, but not moving out. The second spring 38 pushes the locking port 55 to contact the thickened portion 53, and after the second spring 38 is compressed, the restricting body 52 can be kept in contact with the blocking portion 51, and the sliding stroke of the locking member 16 is restricted by the blocking portion 51.
Symmetrical fixing portions 56 are provided on both sides of the locking portion 49, the fixing portions 56 are provided in a vertical state, and a locking opening 55 is formed between the fixing portions 56 and the locking portion 49. The fixing portion 56 is provided with a horizontal supporting surface 57, and the supporting surface 57 can contact with the thickened portion 53 and slide on the lower end of the thickened portion 53.
The height of the support surface 57 is higher than the highest surface of the limiter 52 so that the limiter 52 can be inserted directly into the clamping area 36.
The fixing portion 56 is provided with a first sliding body 58, the connecting section 46 is provided with a second sliding body 59, and the clamping plate 34 is provided with a strip-shaped groove 60 for sliding the first sliding body 58 and the second sliding body 59. The first slider 58 and the second slider 59 can maintain balance of the locking member 16 in the holding area 36, facilitating pushing of the locking member 16 by the pushing lever 11 so that it can slide in the holding area 36.
When the locking member 16 is installed, the locking member 16 can be directly inserted into the clamping area 36, and when the locking member is detached, the symmetrically arranged clamping plates 34 can be broken off, and then the electric conductor 28 is taken out of the clamping area 36, so that the locking member is convenient to install and convenient to take out and replace quickly in the later period.
The elastic section 48 is provided with a first protrusion 61 and a second protrusion 62, the first protrusion 61 and the second protrusion 62 are located on the bottom plate 35, the first protrusion 61 and the second protrusion 62 are connected through a bridging portion 81, the second protrusion 62 is provided with a contact portion 63 extending upwards, the contact portion 63 is in contact with the push rod 11, and a compression gap 64 is formed between the contact portion 63 and the fixing portion 56. After pushing the contact portion 63 by the pushing rod 11, the contact portion 63 can be kept to shrink the compression gap 64, then contact the fixing portion 56, push the fixing portion 56, and finally push the connecting segment 46 by the fixing portion 56, so as to keep pushing the contact rod 37 on the connecting segment 46.
The contact portion 63 is provided with a support arm 65 extending between the symmetrical fixing portions 56, and the support arm 65 is located at the lower end of the locking portion 49. A curved portion 66, a pushing portion 67 and an arc portion 68 are provided between the support arm 65 and the contact portion 63 so that the entire elastic section 48 can be elastically deformed.
A recess 69 is formed at the first protrusion 61, and an arc-shaped protrusion 70 is provided on the fixing portion 56 to be engaged with the recess 69, so that the arc-shaped protrusion 70 is fixed in the recess 69, and the fixing portion 56 can be conveniently pushed to push the connection section 46.
The connecting body 31 is composed of a body portion 71, and a first fixing arm 72, a second fixing arm 73 and a positioning arm 74 located between the first fixing arm 72 and the second fixing arm 73 on the body portion 71 which are symmetrically arranged. The first fixing arm 72 and the second fixing arm 73 are symmetrically arranged, a first limiting area 75 is formed between the first fixing arm 72 and the positioning arm 74, a second limiting area 76 is formed between the second fixing arm 73 and the positioning arm 74, the first limiting end 39 is located in the first limiting area 75, and the second limiting end 42 is located in the second limiting area 76.
The first limiting end 39 and the second limiting end 42 are provided with limiting grooves 77, the first fixing arm 72 and the second fixing arm 73 are provided with limiting protrusions 78 matched with the limiting grooves 77, a third limiting area 79 is formed among the symmetrically arranged first fixing arm 72, second fixing arm 73 and positioning arm 74, and an included angle between the first fixing arm 72, the second fixing arm 73 and the positioning arm 74 and the body portion 71 is smaller than 90 degrees.
In use, the push plate 10 is connected with an external power cord, the detonation connector 3 is connected with the butt joint 29, and then the connector 31 is inserted from the lower part, so that the first limiting end 39 enters the first limiting area 75, the limiting protrusion 78 enters the limiting groove 77, the second limiting end 42 enters the second limiting area 76, and the limiting protrusion 78 is kept to enter the limiting groove 77. And because the first fixing arm 72, the second fixing arm 73 and the positioning arm 74 are arranged in an inclined way, the butt joint 29 and the detonation joint 3 can be conveniently fixed, the detonation joint 3 can be separated from the butt joint 29 without being pulled by external force, and the stability of connection is enhanced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. A mine tunnel high voltage explosion-proof circuit breaker, comprising:
the box body consists of a base and three side plates arranged on the base, a through hole is formed in one side of the box body, a movable chamber is formed in the middle of the box body, a cover plate is arranged on the box body, a through hole and a through groove are formed in the cover plate, a baffle plate is arranged in the through groove, the baffle plate is inserted into the through hole from the through groove, a trigger piece is arranged in the through hole, a push plate is arranged in the movable chamber, a push rod is arranged on the push plate, a first spring is sleeved on the push rod,
the closing unit of setting in opening department, the closing unit comprises a plurality of switch module, the lower extreme of baffle is equipped with the breach that holds switch module, switch module includes:
the fixed seat is arranged on the base, a fixed chamber is formed by hollowing out the middle of the fixed seat, a first sliding hole is arranged at one end of the fixed seat, a second sliding hole is arranged at the other end of the fixed seat, a fixed plate is arranged on the fixed seat, the pushing rod penetrates through the second sliding hole and enters the fixed chamber,
the mounting piece is arranged in the fixing chamber and consists of a connecting part, clamping plates which are symmetrically arranged and a bottom plate which is positioned at the lower end of the clamping plates, a clamping area is formed in the middle of the clamping plates,
the conductor is arranged in the clamping area and consists of a locking piece and a contact rod, the contact rod is provided with a second spring,
the butt joint part is arranged in the fixed chamber, one end of the butt joint part is contacted with the mounting part, the other end of the butt joint part penetrates through the first sliding hole to extend to the outside, one end positioned at the outside is provided with a first limiting end,
the detonation connector is connected with the butt joint part, the detonation connector is provided with an insertion rod, the middle of the butt joint part is provided with an insertion hole matched with the insertion rod, the detonation connector is also provided with a second limit end matched with the first limit end, the first limit end is connected with the second limit end through a connector,
the rotation trigger piece pushes the locking piece and the contact rod through the push plate, and the contact rod is kept to be in butt joint with the insertion rod in the insertion hole.
2. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 1, wherein a first positioning body inserted in the clamping area is arranged at the bottom of the fixing plate, a positioning hole is arranged on the abutting piece, and a second positioning body matched with the positioning hole is arranged on the fixing plate.
3. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 1, wherein the trigger member is composed of a handle, a rod body and a cam, the cam is in contact with the push plate, and the rod body is disposed in the through hole.
4. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 1, wherein the locking piece is integrally formed, a connecting section, a locking section and an elastic section are arranged on the locking piece, the contact rod is located on the connecting section, the locking section extends from the upper end of the connecting section, the elastic section extends from the lower end of the connecting section, a locking part which is obliquely arranged is arranged on the locking section, symmetrical fixing parts are arranged on two sides of the locking part, the fixing parts are arranged in a vertical state, and a locking port is formed between the fixing part and the locking part.
5. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 4, wherein the clamping plate is provided with a thickening portion and a blocking portion, a locking area is formed between the thickening portion and the blocking portion, and the locking port is in contact with the thickening portion when the second spring is not compressed.
6. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 5, wherein a first punching hole is arranged between the connecting section and the locking section, and a limiting body matched with the blocking part is arranged in the first punching hole.
7. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 6, wherein the fixing part is provided with a first sliding body, the connecting section is provided with a second sliding body, and the clamping plate is provided with a strip-shaped groove for sliding the first sliding body and the second sliding body.
8. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 7, wherein the elastic section is provided with a first protrusion and a second protrusion, the first protrusion and the second protrusion are located on the bottom plate, the second protrusion is provided with a contact portion extending upwards, the contact portion is in contact with the pushing rod, a compression gap is formed between the contact portion and the fixing portion, the contact portion is provided with a supporting arm extending between the symmetrical fixing portions, and the supporting arm is located at the lower end of the locking portion.
9. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 1, wherein the connecting body is composed of a body part, a first fixed arm, a second fixed arm and a positioning arm, wherein the first fixed arm and the second fixed arm are symmetrically arranged on the body part, the positioning arm is positioned between the first fixed arm and the second fixed arm, a first limiting area is formed between the first fixed arm and the positioning arm, a second limiting area is formed between the second fixed arm and the positioning arm, the first limiting end is positioned in the first limiting area, and the second limiting end is positioned in the second limiting area.
10. The mine tunnel high-voltage explosion-proof circuit breaker according to claim 9, wherein the first limiting end and the second limiting end are provided with limiting grooves, limiting protrusions matched with the limiting grooves are arranged on the first fixing arm and the second fixing arm, a third limiting area is formed among the symmetrically arranged first fixing arm, the second fixing arm and the positioning arm, and an included angle among the first fixing arm, the second fixing arm and the positioning arm and the body part is smaller than 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410192152.XA CN117747337B (en) | 2024-02-21 | 2024-02-21 | Mine tunnel high-voltage explosion-proof circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410192152.XA CN117747337B (en) | 2024-02-21 | 2024-02-21 | Mine tunnel high-voltage explosion-proof circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117747337A CN117747337A (en) | 2024-03-22 |
| CN117747337B true CN117747337B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410192152.XA Active CN117747337B (en) | 2024-02-21 | 2024-02-21 | Mine tunnel high-voltage explosion-proof circuit breaker |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1321381A (en) * | 1971-01-20 | 1973-06-27 | Post Office | Protective circuit assemblies including explosively operated electrical switches |
| GB1347723A (en) * | 1970-07-29 | 1974-02-27 | Burndy Corp | Explosive connectors |
| CN201007969Y (en) * | 2007-02-09 | 2008-01-16 | 费江海 | Stepping closedown flame-proof type vacuum feeder switch for mining |
| CN202662499U (en) * | 2012-05-29 | 2013-01-09 | 河南省荣欣防爆起重设备有限公司 | Mining explosion-proof control button |
| CN209434091U (en) * | 2019-03-08 | 2019-09-24 | 佛山通宝华通控制器有限公司 | A kind of single-pole double throw explosion-proof pressure formula temperature controller with auxiliary switch |
-
2024
- 2024-02-21 CN CN202410192152.XA patent/CN117747337B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1347723A (en) * | 1970-07-29 | 1974-02-27 | Burndy Corp | Explosive connectors |
| GB1321381A (en) * | 1971-01-20 | 1973-06-27 | Post Office | Protective circuit assemblies including explosively operated electrical switches |
| CN201007969Y (en) * | 2007-02-09 | 2008-01-16 | 费江海 | Stepping closedown flame-proof type vacuum feeder switch for mining |
| CN202662499U (en) * | 2012-05-29 | 2013-01-09 | 河南省荣欣防爆起重设备有限公司 | Mining explosion-proof control button |
| CN209434091U (en) * | 2019-03-08 | 2019-09-24 | 佛山通宝华通控制器有限公司 | A kind of single-pole double throw explosion-proof pressure formula temperature controller with auxiliary switch |
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| Publication number | Publication date |
|---|---|
| CN117747337A (en) | 2024-03-22 |
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