CN113014146A - Mining explosion-proof and intrinsically safe multi-loop high-vacuum electromagnetic starter - Google Patents
Mining explosion-proof and intrinsically safe multi-loop high-vacuum electromagnetic starter Download PDFInfo
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- CN113014146A CN113014146A CN202110404705.XA CN202110404705A CN113014146A CN 113014146 A CN113014146 A CN 113014146A CN 202110404705 A CN202110404705 A CN 202110404705A CN 113014146 A CN113014146 A CN 113014146A
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- 239000007858 starting material Substances 0.000 title claims abstract description 32
- 238000005065 mining Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 47
- 238000001125 extrusion Methods 0.000 claims description 18
- 206010066054 Dysmorphism Diseases 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000004880 explosion Methods 0.000 description 5
- 239000004519 grease Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 230000001050 lubricating effect Effects 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
- H02G3/083—Inlets
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- Structural Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention belongs to the technical field of electromagnetic starters, and particularly relates to a mining explosion-proof and intrinsic safety type multi-loop high-vacuum electromagnetic starter which comprises a starter body and a wire inlet mechanism, wherein a junction box fixed with the wire inlet mechanism is installed on the starter body, the wire inlet mechanism comprises a connecting flange and a wire pipe fixed on one side of the connecting flange, and a second mounting block and a first mounting block are sequentially arranged on one side of the wire pipe along the direction departing from the connecting flange; according to the invention, the adjusting sleeve is arranged on the outer side of the wire tube, the second mounting block fixed with the first mounting block and the wire tube is arranged on the inner side of the adjusting sleeve, the tooth grooves on the adjusting sleeve are meshed with the saw teeth on the metal partition plate, the metal partition plate synchronously rotates along with the adjusting sleeve when the adjusting sleeve is rotated, the second wire through hole can be plugged or opened, the cable dismounting efficiency is improved, and the cable mounting stability is improved.
Description
Technical Field
The invention relates to the technical field of electromagnetic starters, in particular to a mining explosion-proof and intrinsically safe multi-loop high-vacuum electromagnetic starter.
Background
In the process of installing the vacuum combined starter, attention needs to be paid to not damage all explosion-proof joint surfaces of products, dust or other foreign matters do not need to be arranged on the joint surfaces, all threaded connecting holes, terminal box holes and spare sockets which are not used temporarily need to be sealed by plugs, the joint surfaces only allow thin grease and lubricating grease to be used as antirust coating agents, rubber sealing at the sealing positions is not damaged and needs to be placed in place, the fastening force of fixing bolts needs to be uniform, and finally, when the vacuum combined starter is installed in a well, comprehensive inspection and necessary electrical tests need to be carried out on equipment.
However, current electromagnetic starter is when the installation cable, need lift the horn mouth of inlet wire device off, then pass the horn mouth in proper order with the one end of cable, zinc-plated fender ring and rubber circle, then fasten the spare part of horn mouth again and press from both sides tight cable, and when needs are demolishd the cable, need take off the horn mouth again, then zinc-plated fender ring and rubber circle install metal catch additional, again reset the horn mouth installation again, seal the junction box, the installation and the dismantlement efficiency of greatly reduced cable like this, and the installation bolt that external force touched the horn mouth probably appears leads to the condition that the horn mouth drops, factor of safety is low.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter, an adjusting sleeve is arranged on the outer side of a spool, a first mounting block and a second mounting block fixed with the spool are arranged on the inner side of the adjusting sleeve, tooth grooves in the adjusting sleeve are meshed with saw teeth on a metal partition plate, the metal partition plate synchronously rotates along with the adjusting sleeve when the adjusting sleeve rotates, a second threading hole can be plugged or opened, and two clamping blocks are embedded with a corresponding second clamping hole and a corresponding first clamping hole when a conical spring rebounds, so that the rotating angle of the adjusting sleeve can be fixed, the position of the metal partition plate is fixed, the dismounting efficiency of a cable is improved, and the mounting stability of the cable is improved.
The purpose of the invention can be realized by the following technical scheme:
the mining explosion-proof and intrinsically safe multi-loop high-vacuum electromagnetic starter comprises a starter body and a wire inlet mechanism, wherein a junction box fixed with the wire inlet mechanism is installed on the starter body, the wire inlet mechanism comprises a connecting flange and a wire pipe fixed on one side of the connecting flange, a second installation block and a first installation block are sequentially arranged on one side of the wire pipe along a direction deviating from the connecting flange, an adjusting sleeve is movably sleeved on the outer side of the wire pipe and used for fixing a cable, the first installation block and the second installation block are uniformly arranged on the inner side of the adjusting sleeve, a first threading hole is eccentrically formed in the first installation block, an explosion-proof rubber ring is arranged on the inner side of the first installation block, a limiting mechanism which is abutted against the explosion-proof rubber ring is arranged in the first installation block, a second threading hole is eccentrically formed in the second installation block, one side of the second installation block is fixed at the end part of the wire pipe, and one end of the adjusting sleeve which is used for, and a conical spring is fixed between the rotating ring and the connecting flange.
Further, the method comprises the following steps: and one side of the connecting flange is provided with a metal retaining ring and an explosion-proof gasket contacted with the side wall of the junction box.
Further, the method comprises the following steps: a threaded hole is formed in the center of one side of the first mounting block, and a stud which is screwed with the threaded hole and is fixedly connected is fixed in the center of one side of the second mounting block.
Further, the method comprises the following steps: the bottom of one end of the wire tube connected with the second mounting block is provided with an arc-shaped notch, the arc surface of the outer side of the first mounting block is uniformly provided with a plurality of first clamping holes, wherein the inner part of the first mounting block is positioned below one first clamping hole in the middle and is provided with a special-shaped hole communicated with the first threading hole, the limiting mechanism is arranged at the inner side of the special-shaped hole, the arc surface of the outer side of the second mounting block is uniformly provided with a plurality of second clamping holes in one-to-one correspondence with the first clamping holes, the other side of the second mounting block is provided with a metal partition plate positioned at the inner side of the arc-shaped notch, the small end of the metal partition plate in a water drop-shaped structure is rotatably connected with the center of the other side of the second mounting block, the outer side of the large end of the metal partition plate is uniformly fixed with a plurality of saw teeth, and the inner side wall of the adjusting sleeve is fixed with, and a plurality of tooth grooves meshed with the saw teeth are formed in the inner side of the adjusting sleeve.
Further, the method comprises the following steps: and an included angle between the two clamping blocks is equal to an angle between two adjacent first clamping holes.
Further, the method comprises the following steps: and when the metal partition plate is at an initial position, the second threading hole is closed, and when the metal partition plate is at a working position, the second threading hole is opened.
Further, the method comprises the following steps: the limiting mechanism comprises a hinged plate, an extrusion spring, a pressure rod and an arc-shaped pressure plate; the top surface be with joint piece tip agree with the cambered surface the articulated slab rotates with the top of dysmorphism hole lateral wall to be connected, the bottom surface of articulated slab with the top of depression bar is rotated and is connected, the activity of extrusion spring cup joints in the outside of depression bar, and the bottom mounting of extrusion spring is in the inside wall of dysmorphism hole, the top of extrusion spring is fixed in the bottom surface of articulated slab, the outer convex surface of arc clamp plate with the bottom of depression bar links firmly.
Further, the method comprises the following steps: the outer cylinder of depression bar has cup jointed the stop collar, and the outside of stop collar is contradicted with the inside wall in dysmorphism hole.
Further, the method comprises the following steps: the limiting sleeve is a sponge sleeve or a rubber sleeve.
Further, the method comprises the following steps: the conical spring is movably sleeved on the outer side of the line pipe.
The invention has the beneficial effects that:
1. be provided with adjusting sleeve through the outside at the spool, and be provided with in adjusting sleeve's inboard with first installation piece and with the second installation piece that the spool is fixed, utilize tooth's socket on the adjusting sleeve and the sawtooth meshing on the metal partition, the metal partition rotates along with adjusting sleeve is synchronous when rotating adjusting sleeve, can carry out the shutoff to the second through wires hole or open the operation, and make two joint pieces and corresponding second joint hole and first joint hole gomphosis when conical spring kick-backs, can fix adjusting sleeve's turned angle, thereby make metal partition's rigidity, reduce the probability that exogenic action leads to the cable condition of droing to appear, and the factor of safety is improved, be convenient for carry out safety protection to the inside of terminal box, can improve the dismouting efficiency of cable and improve cable installation's stability like this.
2. Be connected through double-screw bolt and screw hole and install first installation piece and second installation piece fixedly, can guarantee when equipment inlet wire mechanism that first through wires hole just right with second through wires hole, second joint hole and first joint hole, can guarantee like this that joint piece and joint hole joint and electric wire run through the through wires hole, improve the installation effectiveness of cable.
3. Through the inboard in dysmorphism hole is provided with stop gear, the one end extrusion articulated slab that utilizes the joint piece perhaps breaks away from with the articulated slab, utilize articulated slab and extrusion spring to drive the arc clamp plate and the explosion-proof rubber ring extrusion of depression bar bottom or separately, the top, make the articulated slab rotate downwards, and then can promote the arc clamp plate extrusion explosion-proof rubber ring's that the depression bar bottom links firmly outer wall, can make hugging closely between the inside wall of explosion-proof rubber ring and the crust of cable, can fix a position the cable, and be convenient for take out explosion-proof rubber ring and cable together after the separation between the crust of the inside wall of explosion-proof rubber ring and cable, on the one hand can improve cable erection's stability, still be convenient for demolish the cable, be favorable to.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a perspective view of the wire feeding mechanism of the present invention;
FIG. 3 is a schematic structural view of the wire feeding mechanism of the present invention;
FIG. 4 is a schematic structural view of another working state of the wire feeding mechanism in the invention;
FIG. 5 is a view from the direction A in FIG. 4;
FIG. 6 is a view at B in FIG. 4;
FIG. 7 is a schematic view of the construction of the coupling flange and conduit of the present invention;
FIG. 8 is a schematic view of the structure of the adjustment sleeve, the first mounting block and the second mounting block of the present invention;
FIG. 9 is a schematic view of the first and second mounting blocks of the present invention;
FIG. 10 is a cross-sectional view of a first mounting block of the present invention;
FIG. 11 is a schematic structural view of a spacing mechanism of the present invention;
FIG. 12 is a schematic view of the metal separator of the present invention in its operating position;
FIG. 13 is a schematic view showing a state where the metal separator is in an initial position in the present invention;
in the figure: 1. a starter body; 11. a junction box; 2. a wire feeding mechanism; 21. a connecting flange; 22. a conduit; 221. an arc-shaped notch; 23. a metal baffle ring; 24. an explosion-proof washer; 3. an adjustment sleeve; 31. a rotating ring; 32. a conical spring; 33. a clamping block; 4. an explosion-proof rubber ring; 5. a first mounting block; 51. a first threading hole; 52. a profiled hole; 53. a first clamping hole; 6. a second mounting block; 61. a second threading hole; 62. a second clamping hole; 63. a metal separator; 7. a limiting mechanism; 71. a hinge plate; 72. a compression spring; 73. a pressure lever; 731. a limiting sleeve; 74. an arc-shaped pressing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-13, the mining flameproof and intrinsically safe multi-loop high vacuum electromagnetic starter comprises a starter body 1 and a wire inlet mechanism 2, wherein a junction box 11 fixed with the wire inlet mechanism 2 is installed on the starter body 1, the wire inlet mechanism 2 comprises a connecting flange 21 and a wire tube 22 fixed on one side of the connecting flange, a second installation block 6 and a first installation block 5 are sequentially arranged on one side of the wire tube 22 along a direction departing from the connecting flange 21, an adjusting sleeve 3 is movably sleeved on the outer side of the wire tube 22 and used for fixing cables, the first installation block 5 and the second installation block 6 are uniformly arranged on the inner side of the adjusting sleeve 3, a first threading hole 51 is eccentrically formed in the first installation block 5, an explosion-proof rubber ring 4 is arranged on the inner side of the first installation block 5, a limiting mechanism 7 abutting against the explosion-proof rubber ring 4 is arranged in the first installation block 5, a second threading hole 61 is eccentrically formed in the second installation block 6, one side of the second mounting block 6 is fixed at the end of the conduit 22, one end of the adjusting sleeve 3 for adjusting the opening and closing of the second threading hole 61 is rotatably connected with the rotating ring 31, a conical spring 32 is fixed between the rotating ring 31 and the connecting flange 21, the conical spring 32 is movably sleeved at the outer side of the conduit 22, when the cable fixing device is used, the adjusting sleeve 3 is firstly pressed to move towards the connecting flange 21, the conical spring 32 is extruded, then the adjusting sleeve 3 is rotated to open the second threading hole 61, the rotating ring 31 rotates at the inner side of the adjusting sleeve 3, then the anti-explosion rubber ring 4 is sleeved at the outer side of the cable, then the end of the cable is inserted through the first threading hole 51 until penetrating through the connecting flange 21, the anti-explosion rubber ring 4 is embedded with the first mounting block 5, then the adjusting sleeve is loosened to reset, the conical spring 32 rebounds, so that the adjusting sleeve 3 can drive the limiting mechanism 7 to extrude the anti-explosion rubber, therefore, the inner side wall of the explosion-proof rubber ring 4 can be tightly attached to the outer skin of the cable, the cable can be positioned, and the installation efficiency of the cable and the stability of cable installation can be improved.
When the cable inlet mechanism 2 is used, the connecting flange 21 and the junction box 11 can be connected and fixed through bolts, the metal baffle ring 23 and the explosion-proof washer 24 are arranged between the connecting flange 21 and the junction box 11, the safety coefficient of the installation of the cable inlet mechanism 2 can be improved, and the cable inlet mechanism 2 is installed on the junction box 11, so that the installation of a cable is facilitated; the bottom of the end of the spool 22 connected with the second mounting block 6 is provided with an arc notch 221, the arc surface outside the first mounting block 5 is uniformly provided with a plurality of first clamping holes 53, wherein the inside of the first mounting block 5 is positioned below one first clamping hole 53 in the middle and is provided with a special-shaped hole 52 communicated with the first threading hole 51, the limiting mechanism 7 is arranged inside the special-shaped hole 52, the arc surface outside the second mounting block 6 is uniformly provided with a plurality of second clamping holes 62 in one-to-one correspondence with the first clamping holes 53, the other side of the second mounting block 6 is provided with a metal partition plate 63 positioned inside the arc notch 221, the small end of the metal partition plate 63 in a water drop-shaped structure is rotatably connected with the center of the other side of the second mounting block 6, the outside of the large end of the metal partition plate 63 is uniformly fixed with a plurality of saw teeth, the inner side wall of the adjusting sleeve 3 is fixed with two clamping blocks 33 embedded with the first clamping holes 53 and the second clamping holes 62, the inner side of the adjusting sleeve 3 is provided with a plurality of tooth grooves meshed with the sawteeth, when the adjusting sleeve 3 rotates, the metal partition plate 63 synchronously rotates along with the adjusting sleeve 3 due to the tooth grooves and the sawteeth meshed, so that the metal partition plate 63 and the second threading hole 61 are staggered, the second threading hole 61 is opened, the cable is conveniently inserted, then the adjusting sleeve 3 resets under the rebounding action force of the conical spring 32 after the cable position is adjusted, at the moment, the two clamping blocks 33 are sequentially embedded with the corresponding second clamping holes 62 and the corresponding first clamping holes 53, the rotating angle of the adjusting sleeve 3 can be fixed, so that the position of the metal partition plate 63 is fixed, when the cable is withdrawn and is not used any longer, the adjusting sleeve 3 is pushed again to compress the conical spring 32, then the cable is drawn out, the adjusting sleeve 3 is reversely rotated by a proper angle until the two clamping blocks 33 are embedded with the corresponding second clamping holes 62 and the corresponding first clamping holes 53 again, at this time, the metal partition 63 plugs the second threading hole 61 again, so that the work efficiency of cable installation and removal can be improved.
Threaded hole is seted up at one side center of first installation piece 5, one side center of second installation piece 6 is fixed with closes soon with the screw hole and is connected fixed double-screw bolt, utilizes the double-screw bolt to be connected with the screw hole, is convenient for install first installation piece 5 and second installation piece 6 fixedly, and is convenient for adjust first through wires hole 51 just right with second through wires hole 61, second joint hole 62 and first joint hole 53, can guarantee like this that joint piece 33 and joint hole joint and electric wire run through the through wires hole.
Two contained angle between joint piece 33 equals the angle between two adjacent first joint holes 53, utilizes its contained angle the same can guarantee that metal partition 63 all can make two joint pieces 33 and adjacent joint hole gomphosis when shutoff or open second through wires hole 61, can fix the position of adjusting sleeve 3, reduces the probability that exogenic action leads to the cable condition of droing to appear.
When the metal partition plate 63 is located at an initial position, the second threading hole 61 is closed, when the metal partition plate 63 is located at a working position, the second threading hole 61 is opened, the axis of the second threading hole 61 coincides with the axis of the first threading hole 51, and when the metal partition plate 63 is closed to the second threading hole 61, safety protection can be carried out on the inside of the junction box 11.
The limiting mechanism 7 comprises a hinge plate 71, an extrusion spring 72, a pressure rod 73 and an arc-shaped pressure plate 74; the top surface of the hinged plate 71 is an arc surface which is matched with the end part of the clamping block 33, the hinged plate 71 is rotationally connected with the top opening side wall of the special-shaped hole 52, the bottom surface of the hinged plate 71 is rotationally connected with the top end of the pressure lever 73, the extrusion spring 72 is movably sleeved outside the pressure lever 73, the bottom end of the extrusion spring 72 is fixed on the inner side wall of the special-shaped hole 52, the top end of the extrusion spring 72 is fixed on the bottom surface of the hinged plate 71, the outer convex surface of the arc-shaped pressure plate 74 is fixedly connected with the bottom end of the pressure lever 73, when the clamping block 33 is embedded with the first clamping hole 53, one end of the clamping block 33 extrudes the top of the hinged plate 71 to enable the hinged plate 71 to rotate downwards, and then the arc-shaped pressure plate 74 fixedly connected with the bottom end of the pressure lever 73 can be pushed to extrude the outer wall of the explosion-proof rubber ring 4, so that the inner side wall, the hinged plate 71 upwards rotates under the effect of the extrusion spring 72, so that the compression bar 73 connected with the hinged plate in a rotating mode is driven to upwards move, at the moment, the concave surface of the arc-shaped pressing plate 74 is separated from the explosion-proof rubber ring 4, the explosion-proof rubber ring 4 and a cable can be conveniently taken out together, on one hand, the stability of cable installation can be improved, on the other hand, the cable can be conveniently detached, the work efficiency is improved, the limiting sleeve 731 is sleeved on the outer cylindrical surface of the compression bar 73, the outer side of the limiting sleeve 731 is abutted to the inner side wall of the special-shaped hole 52, the position of the compression bar 73 can be limited by the limiting sleeve 731, the normal use of the compression bar 73 is guaranteed.
The working principle is as follows: when the cable adjusting device is used, firstly, the adjusting sleeve 3 is pressed to move towards the connecting flange 21, the conical spring 32 is extruded, then the adjusting sleeve 3 is rotated, the rotating ring 31 rotates on the inner side of the adjusting sleeve 3 while the adjusting sleeve 3 rotates, then the anti-explosion rubber ring 4 is sleeved on the outer side of a cable, then the end part of the cable is inserted into the first threading hole 51 until penetrating through the connecting flange 21, the anti-explosion rubber ring 4 is embedded with the first mounting block 5, the metal partition plate 63 synchronously rotates along with the adjusting sleeve 3 due to the meshing of the tooth grooves and the saw teeth, so that the metal partition plate 63 and the second threading hole 61 are staggered, the second threading hole 61 is opened for facilitating the insertion of the cable, then, after the cable is adjusted, the adjusting sleeve 3 is reset under the rebounding action force of the conical spring 32, at the moment, the two clamping blocks 33 are sequentially embedded with the corresponding second clamping holes 62 and the first clamping holes 53, and the rotating angle of the adjusting sleeve 3 can be fixed, therefore, the position of the metal partition plate 63 is fixed, when the clamping block 33 is embedded in the first clamping hole 53, one end of the clamping block 33 extrudes the top of the hinged plate 71, so that the hinged plate 71 rotates downwards, and further the arc-shaped pressing plate 74 fixedly connected with the bottom end of the pressing rod 73 can be pushed to extrude the outer wall of the explosion-proof rubber ring 4, so that the inner side wall of the explosion-proof rubber ring 4 can be tightly attached to the outer skin of a cable, and the cable can be positioned;
when the cable is withdrawn and is not used any more, the adjusting sleeve 3 is pushed again to compress the conical spring 32, then the cable is pulled out, the adjusting sleeve 3 is rotated reversely by a proper angle, when the clamping blocks 33 are separated from the first clamping holes 53 in the middle, the hinged plate 71 rotates upwards under the action of the extrusion spring 72, so that the compression rod 73 connected with the hinged plate in a rotating mode is driven to move upwards, at the moment, the inner concave surface of the arc-shaped pressing plate 74 is separated from the explosion-proof rubber ring 4, and the two clamping blocks 33 are embedded with the corresponding second clamping holes 62 and the first clamping holes 53 again, at the moment, the metal partition plate 63 blocks the second threading holes 61 again, then the adjusting sleeve 3 is loosened to reset, the conical spring 32 rebounds, and the explosion-proof rubber ring 4 and the cable can be taken.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (10)
1. The mining explosion-proof and intrinsically safe multi-loop high-vacuum electromagnetic starter comprises a starter body (1) and a wire inlet mechanism (2), wherein a junction box (11) fixed with the wire inlet mechanism (2) is installed on the starter body (1), and the electromagnetic starter is characterized in that the wire inlet mechanism (2) comprises a connecting flange (21) and a wire pipe (22) fixed on one side of the wire pipe (22), a second installation block (6) and a first installation block (5) are sequentially arranged on one side of the wire pipe (22) along the direction deviating from the connecting flange (21), an adjusting sleeve (3) is movably sleeved on the outer side of the wire pipe (22) and used for fixing a cable, the first installation block (5) and the second installation block (6) are uniformly arranged on the inner side of the adjusting sleeve (3), a first threading hole (51) is eccentrically arranged on the first installation block (5), and an explosion-proof rubber ring (4) is arranged on the inner side of the first installation block (, the inside of first installation piece (5) is provided with stop gear (7) of conflicting explosion-proof rubber ring (4), second through wires hole (61) have been seted up to second installation piece (6) decentration, and one side of second installation piece (6) is fixed in the tip of spool (22) for adjust second through wires hole (61) and open and shut the one end of adjusting sleeve (3) is rotated and is connected with swivel becket (31), and is fixed with conical spring (32) between swivel becket (31) and flange (21).
2. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 1, characterized in that one side of the connecting flange (21) is provided with a metal baffle ring (23) and an explosion-proof gasket (24) which is in contact with the side wall of the junction box (11).
3. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 1, characterized in that an arc-shaped notch (221) is formed in the bottom of one end, connected with the second mounting block (6), of the spool (22), a plurality of first clamping holes (53) are uniformly formed in the arc surface of the outer side of the first mounting block (5), wherein a special-shaped hole (52) communicated with the first threading hole (51) is formed below one first clamping hole (53) located in the middle of the first mounting block (5), the limiting mechanism (7) is arranged on the inner side of the special-shaped hole (52), a plurality of second clamping holes (62) corresponding to the first clamping holes (53) one by one are uniformly formed in the arc surface of the outer side of the second mounting block (6), a metal partition plate (63) located inside the arc-shaped notch (221) is arranged on the other side of the second mounting block (6), drop column structure the tip of metal baffle (63) rotates with the center of second installation piece (6) opposite side and is connected, the outside of metal baffle (63) main aspects evenly is fixed with a plurality of sawtooth, be fixed with two joint pieces (33) that are used for with first joint hole (53) and second joint hole (62) gomphosis on the inside wall of adjusting sleeve (3), a plurality of tooth's socket with sawtooth meshing has been seted up to the inboard of adjusting sleeve (3).
4. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 3, characterized in that a threaded hole is formed in the center of one side of the first mounting block (5), and a stud which is screwed and connected with the threaded hole is fixed in the center of one side of the second mounting block (6).
5. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 3, characterized in that an included angle between the two clamping blocks (33) is equal to an angle between two adjacent first clamping holes (53).
6. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 3, wherein the second threading hole (61) is closed when the metal partition plate (63) is at an initial position, and the second threading hole (61) is opened when the metal partition plate (63) is at a working position.
7. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 3, wherein the limiting mechanism (7) comprises a hinged plate (71), an extrusion spring (72), a pressure rod (73) and an arc-shaped pressure plate (74); the top surface is for agreeing with the cambered surface with joint piece (33) tip articulated slab (71) are rotated with the top mouth lateral wall in dysmorphism hole (52) and are connected, the bottom surface of articulated slab (71) with the top of depression bar (73) is rotated and is connected, extrusion spring (72) activity is cup jointed in the outside of depression bar (73), and the bottom mounting of extrusion spring (72) is in the inside wall in dysmorphism hole (52), and the top of extrusion spring (72) is fixed in the bottom surface of articulated slab (71), the outer convex surface of arc clamp plate (74) with the bottom of depression bar (73) links firmly.
8. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 7, characterized in that a limiting sleeve (731) is sleeved on an outer cylindrical surface of the pressure lever (73), and the outer side of the limiting sleeve (731) is abutted against the inner side wall of the special-shaped hole (52).
9. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 8, wherein the limiting sleeve (731) is a sponge sleeve or a rubber sleeve.
10. The mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter according to claim 1, characterized in that the conical spring (32) is movably sleeved on the outer side of the line pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110404705.XA CN113014146B (en) | 2021-04-15 | 2021-04-15 | Mining flameproof and intrinsically safe multi-loop high-vacuum electromagnetic starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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