CN118173407B - Safety device for coal mine circuit switch - Google Patents
Safety device for coal mine circuit switch Download PDFInfo
- Publication number
- CN118173407B CN118173407B CN202410591770.1A CN202410591770A CN118173407B CN 118173407 B CN118173407 B CN 118173407B CN 202410591770 A CN202410591770 A CN 202410591770A CN 118173407 B CN118173407 B CN 118173407B
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- sliding seat
- seat
- movable seat
- coal mine
- hole
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- 239000003245 coal Substances 0.000 title claims abstract description 26
- 230000000903 blocking effect Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a coal mine circuit switch safety device which comprises an upper shell, a lower shell and a switch assembly. The switch assembly comprises an upper movable seat, a lower movable seat, a first sliding seat, a second sliding seat and an adjusting piece, when the adjusting piece rotates, the first sliding seat is kept to move towards the direction close to the second sliding seat, so that the upper movable seat and the lower movable seat move in opposite directions, and the conductive piece is kept to be in contact with the second power connection terminal. The coal mine circuit switch safety device ensures the stability of power connection by adopting a rotary power connection structure, and meanwhile, the switch-on or switch-off caused by false touch or impact is avoided. In addition, when meeting emergency and needing quick outage, can be through pulling the control for the cooperation of second screw thread portion and second screw hole realizes that first sliding seat is moved in the direction of keeping away from the second sliding seat, thereby drives movable seat and lower movable seat and moves dorsad, makes the second connect electric terminal quick with electrically conductive piece separation.
Description
Technical Field
The invention relates to an electric switching technology, in particular to a coal mine circuit switch safety device.
Background
Along with the improvement of the automation degree of the coal mine, the mine has higher requirements on the reliability of power supply and distribution equipment, the safety and the high efficiency of the power supply and distribution equipment are also in the main development direction, the distribution switch is used as important protection equipment for the underground coal mine transmission line, and the operation reliability and the safety of the power supply and distribution switch are related to the safe production of the coal mine. The electric switch plays an important role, most of the currently adopted electric switches are air switches or manual switches, and the electric switches can play a role of switching off, but are impacted or mistakenly touched in emergency, so that the switches are switched on or off, the equipment in operation and the mine cavity are easy to cause emergency, and certain potential safety hazards exist.
The electrical contact structure disclosed in CN220604515U, CN214124163U can realize quick power on or power off, but the phenomenon of power on or power off caused by false touch is also easy to exist, and a certain risk exists for coal mine operation.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a coal mine circuit switch safety device.
The technical scheme of the invention is realized as follows:
A coal mine circuit switch safety device, comprising:
The upper shell and the lower shell are fixed through bolts, the middle parts of the upper shell and the lower shell are hollowed out to form an installation area, the upper shell and the lower shell are composed of a protective cover and a connecting part, one end of the protective cover is provided with a notch, the other end is provided with a semi-cylinder,
The switch component is arranged in the protective cover and consists of an upper movable seat, a lower movable seat, a first sliding seat, a second sliding seat and an adjusting piece, wherein the adjusting piece is used for connecting the first sliding seat with the second sliding seat, the first sliding seat and the second sliding seat are arranged between the upper movable seat and the lower movable seat, the upper movable seat and the lower movable seat are rotationally symmetrical, a first accommodating opening and a second accommodating opening for accommodating the first sliding seat and the second sliding seat are arranged on the upper movable seat and the lower movable seat, a first electric connecting terminal is arranged on the second sliding seat, a second electric connecting terminal is arranged in the second accommodating opening, a conductive piece used for connecting the first electric connecting terminal and the second electric connecting terminal is arranged on the adjusting piece, when the adjusting piece rotates, the first sliding seat is kept to move towards the direction close to the second sliding seat, the upper movable seat and the lower movable seat are made to move oppositely, the conductive piece and the second electric connecting terminal are kept separate,
The first sliding seat is provided with a first guide groove, a first guide block matched with the first guide groove is arranged in the first accommodating opening, a second guide groove and a second guide block are arranged in the second accommodating opening, the second sliding seat is provided with a third guide block matched with the second guide groove and a third guide groove matched with the second guide block,
The utility model discloses a high-voltage power supply, including first sliding seat, second sliding seat, adjusting part, second sliding seat, conducting piece, adjusting part and first sliding seat, be equipped with a through-hole in the middle of the second sliding seat, the conducting piece sets up in the through-hole, the adjusting part comprises rotation portion, barrier portion, first screw portion, elastic arm and spacing portion, be equipped with a guide slope on the spacing portion, still be equipped with the first through-hole that holds the elastic arm and hold first electric terminal's second through-hole on the second sliding seat, the diameter of spacing portion is greater than the diameter of first through-hole, the conducting piece is installed in the centre of spacing portion, be equipped with in the middle of the first sliding seat and hold rotation hole of rotation portion and with first screw portion complex first screw hole.
In the invention, a half arc opening is formed in the middle of the half cylinder, a positioning block is arranged in the half arc opening, the first power connection terminal consists of a power connection column and a fixing column, the power connection column is inserted into the middle of the conductive piece, and a positioning groove matched with the positioning block and a clamping opening for clamping the electric wire are arranged on the fixing column.
In the invention, a polygonal hole is arranged in the middle of the rotating part, a control piece is arranged in the polygonal hole, the control piece consists of a body and a polygonal body, and the polygonal body is matched with the polygonal hole.
In the invention, the rotating part is provided with the second threaded part, the body is provided with the matching part, the middle of the matching part is provided with the second threaded hole matched with the second threaded part, and the matching part is arranged at the opposite end of the polygonal body.
In the invention, the first guide block, the second guide block and the third guide block are all obliquely arranged, the oblique directions of the first guide block and the third guide block are opposite, and the oblique directions of the second guide block and the third guide block are the same.
In the invention, the lower end of the second electric terminal is provided with a contact block, and the contact block is provided with a contact surface which is obliquely arranged.
In the invention, the conductive member is composed of an annular body, one end of the annular body is provided with a deformation arm, the deformation arm is provided with a contact arm, the other end of the annular body is provided with symmetrically arranged contact plates, and the contact plates are arranged at the lower end of the contact surface.
In the invention, the annular body consists of a deformation ring, a first matching section and a second matching section, wherein the deformation ring is connected with the first matching section through a first arc-shaped part, and the second matching section is connected with the middle of the contact plate through a second arc-shaped part.
In the invention, the limit part is internally provided with a containing area for containing the annular body, an extending groove is arranged in the containing area, an inclined surface and a blocking surface are arranged on the extending groove, and the blocking surface is contacted with the deformation ring.
In the invention, a limiting groove is arranged on the inner wall of the accommodating area, and a limiting ring matched with the limiting groove is arranged on the second matching section.
The coal mine circuit switch safety device has the following beneficial effects: the coal mine circuit switch safety device ensures the stability of power connection by adopting a rotary power connection structure, and meanwhile, the switch-on or switch-off caused by false touch or impact is avoided. In addition, when encountering emergency and needing quick outage, can be through pulling the control piece for the cooperation of second screw thread portion and second screw hole realizes that first sliding seat is moved in the direction of keeping away from the second sliding seat, thereby drives movable seat and lower movable seat and moves dorsad, makes the second connect electric terminal quick with electrically conductive piece separately, realizes quick brake operation.
Drawings
FIG. 1 is a schematic diagram of a coal mine circuit switch safety device;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an exploded view of FIG. 1;
FIG. 5 is a schematic diagram of the switch assembly of FIG. 4;
FIG. 6 is a schematic view of the upper and lower movable bases of FIG. 4;
FIG. 7 is a schematic view of the movable seat of the upper housing in FIG. 6;
FIG. 8 is a schematic view of the control member of FIG. 4;
FIG. 9 is a schematic view of the first sliding seat, the second sliding seat, the adjusting member and the conductive member shown in FIG. 4;
FIG. 10 is a top view of FIG. 9;
FIG. 11 is a cross-sectional view taken at B-B of FIG. 10;
FIG. 12 is an enlarged view of a portion at C in FIG. 11;
FIG. 13 is a schematic view of the first sliding seat in FIG. 9;
FIG. 14 is a cross-sectional view of FIG. 13;
FIG. 15 is a schematic view of the adjuster of FIG. 9;
FIG. 16 is a cross-sectional view of the conductive element structure of FIG. 9;
FIG. 17 is a perspective view of the second slide mount structure of FIG. 9;
fig. 18 is a schematic view of the wire and first electrical terminal structure of fig. 4;
fig. 19 is a schematic view of a second embodiment of the control and adjustment member of the present invention.
In the figure: the upper housing 1, the lower housing 2, the switch assembly 3, the bolt 4, the mounting area 5, the protective cover 6, the connecting part 7, the notch 8, the first sliding seat 9, the semi-cylinder 10, the first power receiving terminal 11, the electric wire 12, the upper movable seat 13, the lower movable seat 14, the second sliding seat 15, the adjusting piece 16, the first threaded part 17, the first threaded hole 18, the first receiving opening 19, the second receiving opening 20, the second power receiving terminal 21, the conductive piece 22, the semi-arc opening 23, the positioning block 24, the power receiving post 25, the fixing post 26, the positioning groove 27, the clamping opening 28, the contact block 29, the contact surface 30, the annular body 31, the deformation arm 32, the contact arm 33, the contact plate 34, the deformation ring 35, the first matching section 36, the second matching section 37, the first arc-shaped part 38, the second arc-shaped part 39 the stopper 40, the receiving area 41, the extension groove 42, the inclined surface 43, the blocking surface 44, the stopper groove 45, the stopper ring 46, the elastic arm 47, the first notch 48, the second notch 49, the control member 50, the second screw hole 51, the second screw portion 52, the first guide groove 53, the first guide block 54, the second guide groove 55, the second guide block 56, the third guide block 57, the third guide groove 58, the first inclined surface 59, the second inclined surface 60, the third inclined surface 61, the fourth inclined surface 62, the blocking end 63, the blocking opening 64, the fifth inclined surface 65, the sixth inclined surface 66, the through hole 67, the rotation portion 68, the blocking portion 69, the guide inclined surface 70, the first through hole 71, the second through hole 72, the polygonal hole 73, the body 74, the polygonal body 75, the fitting portion 76, the rotation hole 77.
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.
Example 1
As shown in fig. 1 to 19, the safety device for a coal mine circuit switch of the present invention comprises an upper housing 1, a lower housing 2 and a switch assembly 3. The switch assembly 3 is provided inside the upper and lower cases 1 and 2 for implementing opening and closing operations.
The upper shell 1 and the lower shell 2 are fixed through bolts 4, a mounting area 5 is formed by hollowing out the middle of the upper shell 1 and the lower shell 2, and the depth of the mounting area 5 is greater than the thickness of the upper movable seat 13 and the lower movable seat 14. The upper shell 1 and the lower shell 2 are composed of a protective cover 6 and a connecting part 7, and the bolts 4 are arranged on the connecting part 7 to realize the connection of the upper shell 1 and the lower shell 2. One end of the protective cover 6 is provided with a notch 8, the first sliding seat 9 is positioned outside the notch 8 during closing, and the first sliding seat 9 is positioned inside the notch 8 during opening. The other end is provided with a half cylinder 10, the notch 8 is used for keeping the first sliding seat 9 to slide, the half cylinder 10 is used for fixing the first electric connection terminal 11, and the electric wire 12 is clamped through the first electric connection terminal 11.
The switch assembly 3 is arranged inside the protective cover 6, and the switch assembly 3 is composed of an upper movable seat 13, a lower movable seat 14, a first sliding seat 9, a second sliding seat 15 and an adjusting piece 16. The adjusting member 16 connects the first sliding seat 9 and the second sliding seat 15, and when the adjusting member 16 rotates, the first threaded portion 17 is kept engaged with the first threaded hole 18, and the second sliding seat 15 is kept moving on the adjusting member 16.
The first sliding seat 9 and the second sliding seat 15 are arranged between the upper movable seat 13 and the lower movable seat 14, the upper movable seat 13 and the lower movable seat 14 are arranged in a rotationally symmetrical manner, and the upper movable seat 13 and the lower movable seat 14 are provided with a first accommodating opening 19 and a second accommodating opening 20 for accommodating the first sliding seat 9 and the second sliding seat 15. The second sliding seat 15 is provided with a first electric terminal 11, the second accommodating opening 20 is internally provided with a second electric terminal 21, and the adjusting piece 16 is provided with a conductive piece 22 for connecting the first electric terminal 11 and the second electric terminal 21.
The middle of the half cylinder 10 forms a half arc opening 23, a positioning block 24 is arranged in the half arc opening 23, and the first electric connection terminal 11 consists of an electric connection column 25 and a fixing column 26. Normally, the power receiving post 25 is kept in contact with the contact arm 33, so that the conductive member 22 is always electrified. Whereas the contact post 25 in fig. 3 does not remain in contact with the contact arm 33, so that the contact arm 33 is not caught by the contact post 25 and the position of the contact arm 33 is not affected. The power receiving post 25 is inserted into the middle of the conductive member 22, and the fixing post 26 is provided with a positioning slot 27 matched with the positioning block 24 and a clamping opening 28 for clamping the electric wire 12. The electric wire 12 is arranged in the clamping opening 28, and when the electric wire 12 is clamped and fixed, the electric wire 12 is kept to be pressed and deformed by force, so that the electric wire can be better fixed in the clamping opening 28. The first electrical connection terminal 11 is fixed by the positioning of the positioning block 24.
The lower end of the second electrical terminal 21 is provided with a contact block 29, and the contact block 29 is provided with a contact surface 30 which is obliquely arranged.
The conductive member 22 is composed of an annular body 31, one end of the annular body 31 is provided with a deformation arm 32, the deformation arm 32 is provided with a contact arm 33, the other end of the annular body 31 is provided with symmetrically arranged contact plates 34, and the contact plates 34 are arranged at the lower end of the contact surface 30. The annular body 31 is composed of a deformation ring 35, a first matching section 36 and a second matching section 37, wherein the deformation ring 35 is connected with the first matching section 36 through a first arc-shaped part 38, and the second matching section 37 is connected with the middle of the contact plate 34 through a second arc-shaped part 39.
The limiting portion 40 has a receiving area 41 for receiving the annular body 31, an extending groove 42 is provided in the receiving area 41, an inclined surface 43 and a blocking surface 44 are provided on the extending groove 42, and the blocking surface 44 contacts the deformation ring 35. A limiting groove 45 is formed in the inner wall of the accommodating area 41, and a limiting ring 46 matched with the limiting groove 45 is arranged on the second matching section 37.
When the adjusting member 16 rotates, the first sliding seat 9 is kept to move away from the second sliding seat 15, so that the upper movable seat 13 and the lower movable seat 14 move back to each other, and the upper movable seat 13 and the lower movable seat 14 drive the second sliding seat 15 to keep the conductive member 22 separated from the second electrical connection terminal 21.
When the adjusting member 16 is rotated, the adjusting member 16 is kept rotating, and the first sliding seat 9 is kept moving all the time, so that the upper movable seat 13 and the lower movable seat 14 are driven to move, and then the second sliding seat 15 is driven to move by the upper movable seat 13 and the lower movable seat 14, so that the conductive member 22 is kept in contact with the power receiving column 25 all the time.
When the upper shell 1 and the lower shell 2 move and contact in opposite directions, the electric wire 12 on the second electric terminal 21 is driven to move, the contact surface 30 which is obliquely arranged is kept in contact with the contact plate 34, and the contact plate 34 is guided to deform under force, so that the contact plate 34 is attached to the contact surface 30, and electric connection is realized.
While the diameter of the electrical post 25 is smaller than the diameter of the second arcuate portion 39, but larger than the diameter between the contact arms 33, the contact arms 33 can be held against the electrical post 25 to make an electrical connection.
The spring arms 47 define a first notch 48 therebetween and the deformation arms 32 define a second notch 49 therebetween.
When the conductive member 22 is installed, the limiting portion 40 can be broken off first, so that the conductive member 22 is pushed inwards as much as possible, the blocking surface 44 is in contact with the deformation ring 35, the first arc-shaped portion 38 is kept to enter the extending groove 42, and the limiting ring 46 is kept to enter the limiting groove 45.
As shown in fig. 3, 7, 9, and 12, in this case, in the open state, the conductive member 22 is not in contact with the second electrical terminal 21. When the upper movable seat 13 and the lower movable seat 14 are in contact, the upper movable seat 13 drives the second electrical connection terminal 21 to contact the conductive member 22. And fig. 5 is a perspective view of fig. 3, keeping the upper movable seat 13 and the lower movable seat 14 separated. The first sliding seat 9 and the second sliding seat 15 can be pulled to move towards the two ends through the matching of the second threaded hole 51 on the control piece 50 and the second threaded part 52 in an emergency state, so that the upper movable seat 13 and the lower movable seat 14 are driven to be separated, and the brake separation is realized.
When the switch is opened, the first sliding seat 9 and the second sliding seat 15 are kept at two ends of the upper movable seat 13 and the lower movable seat 14, and when the switch is closed, the first sliding seat 9 and the second sliding seat 15 are kept between the upper movable seat 13 and the lower movable seat 14.
Therefore, when the first sliding seat 9 and the second sliding seat 15 are not moved when the first sliding seat 9 and the second sliding seat 15 are impacted or are collided by mistake under the closing condition, the first sliding seat 9 and the second sliding seat 15 are kept to move only by pulling or rotating the adjusting piece 16 to drive the first sliding seat 9 to move. And in the case of opening the brake, when the second threaded hole 51 of the control member 50 is not matched with the second threaded portion 52, since the first sliding seat 9 and the second sliding seat 15 are positioned at two ends, it is difficult to push the first sliding seat 9 by pushing the first sliding seat 9 protruding a part. So that the first sliding seat 9 and the second sliding seat 15 will not move towards each other even if the first sliding seat is impacted or mistakenly bumped, and the first sliding seat 9 and the second sliding seat 15 can be kept to move towards each other only by installing the control piece 50 and keeping the second threaded portion 52 matched with the second threaded hole 51 and pushing or rotating the adjusting piece 16. The safety guarantee is provided for the coal mine safety effect, and the closing or opening of the circuit cannot be influenced by the external influence.
The first sliding seat 9 is provided with a first guide groove 53, a first guide block 54 matched with the first guide groove 53 is arranged in the first accommodating opening 19, the second accommodating opening 20 is provided with a second guide groove 55 and a second guide block 56, and the second sliding seat 15 is provided with a third guide block 57 matched with the second guide groove 55 and a third guide groove 58 matched with the second guide block 56.
The first guide block 54, the second guide block 56 and the third guide block 57 are all inclined, the inclination directions of the first guide block 54 and the third guide block 57 are opposite, and the inclination directions of the second guide block 56 and the third guide block 57 are the same. Thereby keeping the first slide holder 9 and the second slide holder 15 movable toward and away from each other.
The first receiving port 19 is provided with a first inclined surface 59, the second receiving port 20 is provided with a second inclined surface 60 and a third inclined surface 61, the first sliding seat 9 is provided with a fourth inclined surface 62 matched with the first inclined surface 59, and a blocking end 63 is provided with a blocking port 64 formed between the blocking end 63 and the fourth inclined surface 62. The second sliding seat 15 is provided with a fifth inclined plane 65 matching with the second inclined plane 60 and a sixth inclined plane 66 matching with the third inclined plane 61.
The second sliding seat 15 has a through hole 67 in the middle, and the conductive member 22 is disposed in the through hole 67. The adjusting member 16 is composed of a rotating portion 68, a blocking portion 69, a first threaded portion 17, an elastic arm 47 and a limiting portion 40, wherein a guiding inclined plane 70 is arranged on the limiting portion 40, a first through hole 71 for accommodating the elastic arm 47 and a second through hole 72 for accommodating the first power receiving terminal 11 are further arranged on the second sliding seat 15, the diameter of the limiting portion 40 is larger than that of the first through hole 71, so that the elastic arm 47 is located in the first through hole 71, the limiting portion 40 penetrates through the first through hole 71 to enter the through hole 67, the position of the limiting portion 40 is limited through the first through hole 71, and the limiting portion cannot move reversely. The conductive member 22 is mounted in the middle of the limiting portion 40, and a rotation hole 77 for accommodating the rotation portion 68 and a first screw hole 18 engaged with the first screw portion 17 are provided in the middle of the first sliding seat 9.
A polygonal hole 73 is provided in the middle of the rotating portion 68, a control member 50 is provided in the polygonal hole 73, the control member 50 is composed of a body 74 and a polygonal body 75, and the polygonal body 75 is matched with the polygonal hole 73.
Example two
As shown in fig. 19, the rotating portion 68 is provided with a second threaded portion 52, the body 74 is provided with an engaging portion 76, a second threaded hole 51 engaged with the second threaded portion 52 is provided in the middle of the engaging portion 76, and the engaging portion 76 is provided at the opposite end of the polygonal body 75.
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 coal mine circuit switch safety device, comprising:
The upper shell and the lower shell are fixed through bolts, the middle parts of the upper shell and the lower shell are hollowed out to form an installation area, the upper shell and the lower shell are composed of a protective cover and a connecting part, one end of the protective cover is provided with a notch, the other end is provided with a semi-cylinder,
The switch component is arranged in the protective cover and consists of an upper movable seat, a lower movable seat, a first sliding seat, a second sliding seat and an adjusting piece, wherein the adjusting piece is used for connecting the first sliding seat with the second sliding seat, the first sliding seat and the second sliding seat are arranged between the upper movable seat and the lower movable seat, the upper movable seat and the lower movable seat are rotationally symmetrical, a first accommodating opening and a second accommodating opening for accommodating the first sliding seat and the second sliding seat are arranged on the upper movable seat and the lower movable seat, a first electric connecting terminal is arranged on the second sliding seat, a second electric connecting terminal is arranged in the second accommodating opening, a conductive piece used for connecting the first electric connecting terminal and the second electric connecting terminal is arranged on the adjusting piece, when the adjusting piece rotates, the first sliding seat is kept to move towards the direction close to the second sliding seat, the upper movable seat and the lower movable seat are made to move oppositely, the conductive piece and the second electric connecting terminal are kept separate,
The first sliding seat is provided with a first guide groove, a first guide block matched with the first guide groove is arranged in the first accommodating opening, a second guide groove and a second guide block are arranged in the second accommodating opening, the second sliding seat is provided with a third guide block matched with the second guide groove and a third guide groove matched with the second guide block,
The utility model discloses a high-voltage power supply, including first sliding seat, second sliding seat, adjusting part, second sliding seat, conducting piece, adjusting part and first sliding seat, be equipped with a through-hole in the middle of the second sliding seat, the conducting piece sets up in the through-hole, the adjusting part comprises rotation portion, barrier portion, first screw portion, elastic arm and spacing portion, be equipped with a guide slope on the spacing portion, still be equipped with the first through-hole that holds the elastic arm and hold first electric terminal's second through-hole on the second sliding seat, the diameter of spacing portion is greater than the diameter of first through-hole, the conducting piece is installed in the centre of spacing portion, be equipped with in the middle of the first sliding seat and hold rotation hole of rotation portion and with first screw portion complex first screw hole.
2. The coal mine circuit switch safety device according to claim 1, wherein a half arc opening is formed in the middle of the half cylinder, a positioning block is arranged in the half arc opening, the first electric connection terminal consists of an electric connection column and a fixing column, the electric connection column is inserted into the middle of the conductive piece, and a positioning groove matched with the positioning block and a clamping opening for clamping an electric wire are formed in the fixing column.
3. The coal mine circuit switch safety device according to claim 1, wherein a polygonal hole is formed in the middle of the rotating portion, a control member is arranged in the polygonal hole, the control member is composed of a body and a polygonal body, and the polygonal body is matched with the polygonal hole.
4. A coal mine circuit switch safety device according to claim 3, wherein the rotating part is provided with a second threaded part, the body is provided with a matching part, a second threaded hole matched with the second threaded part is formed in the middle of the matching part, and the matching part is arranged at the opposite end of the polygonal body.
5. The coal mine circuit switch safety arrangement of claim 1, wherein the first guide block, the second guide block and the third guide block are all inclined, the first guide block and the third guide block are inclined in opposite directions, and the second guide block and the third guide block are inclined in the same direction.
6. The coal mine circuit switch safety device according to claim 1, wherein a contact block is arranged at the lower end of the second electric connection terminal, and a contact surface which is obliquely arranged is arranged on the contact block.
7. The coal mine circuit switch safety device according to claim 6, wherein the conductive member is composed of an annular body, one end of the annular body is provided with a deformation arm, the deformation arm is provided with a contact arm, the other end of the annular body is provided with symmetrically arranged contact plates, and the contact plates are arranged at the lower end of the contact surface.
8. The coal mine circuit switch safety device according to claim 7, wherein the annular body is composed of a deformation ring, a first matching section and a second matching section, the deformation ring is connected with the first matching section through a first arc-shaped portion, and the second matching section is connected with the middle of the contact plate through a second arc-shaped portion.
9. The coal mine circuit switch safety device according to claim 8, wherein an accommodating area for accommodating the annular body is arranged in the limiting portion, an extending groove is formed in the accommodating area, an inclined surface and a blocking surface are arranged on the extending groove, and the blocking surface is in contact with the deformation ring.
10. The coal mine circuit switch safety device of claim 9, wherein a limit groove is formed in the inner wall of the accommodating area, and a limit ring matched with the limit groove is arranged on the second matching section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410591770.1A CN118173407B (en) | 2024-05-14 | 2024-05-14 | Safety device for coal mine circuit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410591770.1A CN118173407B (en) | 2024-05-14 | 2024-05-14 | Safety device for coal mine circuit switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118173407A CN118173407A (en) | 2024-06-11 |
| CN118173407B true CN118173407B (en) | 2024-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410591770.1A Active CN118173407B (en) | 2024-05-14 | 2024-05-14 | Safety device for coal mine circuit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118173407B (en) |
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| CN113363102A (en) * | 2021-06-25 | 2021-09-07 | 海盐锦恒电器有限公司 | Knob assembly of electric appliance temperature-regulating coupler |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2679376B1 (en) * | 1991-07-19 | 1993-11-12 | Somfy | AUTOMATIC SHUTDOWN DEVICE WITH ELECTRIC MOTOR. |
| CN101556870B (en) * | 2008-03-06 | 2013-08-21 | K&N开关发展有限公司 | Switch lock mechanism |
| CN114038709A (en) * | 2021-11-02 | 2022-02-11 | 陕西广泰矿山机电设备有限公司 | Switch and coal-winning machine safety leading device during hydraulic pressure |
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2024
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048718A (en) * | 2014-06-10 | 2014-09-17 | 成都秦川科技发展有限公司 | Pressure sensor special for secure cut-off type intelligent gas meter |
| CN113363102A (en) * | 2021-06-25 | 2021-09-07 | 海盐锦恒电器有限公司 | Knob assembly of electric appliance temperature-regulating coupler |
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