CN113482722A - Non-coal mine safety production risk prediction early warning platform - Google Patents
Non-coal mine safety production risk prediction early warning platform Download PDFInfo
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- CN113482722A CN113482722A CN202110796194.0A CN202110796194A CN113482722A CN 113482722 A CN113482722 A CN 113482722A CN 202110796194 A CN202110796194 A CN 202110796194A CN 113482722 A CN113482722 A CN 113482722A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000005389 magnetism Effects 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 18
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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Abstract
The invention provides a non-coal mine safety production risk prediction early warning platform which structurally comprises a bottom plate, an alarm, a clamping plate and a top plate, wherein the lower end of the alarm is fixedly clamped on the outer wall of the upper end of the bottom plate in an embedded mode, the upper end of the clamping plate is fixedly embedded on the outer wall of the lower end of the top plate, the lower end of the top plate is movably matched with the outer wall of the upper end of the bottom plate, and the outer wall of a detection mechanism is nested and matched with the inner wall of the top plate. The condition that the transmission is insensitive because of the jam of dust in the inside of equipment is avoided dust entering equipment.
Description
Technical Field
The invention relates to the technical field of mine safety production, in particular to a non-coal mine safety production risk prediction early warning platform.
Background
In the industrial development and manufacturing process, various materials for production and manufacturing are developed, the base materials of the materials are usually from natural environments, mechanical equipment and the like are required to be adopted for mining in the natural environments, part of the materials are required to be built on mines to mine required minerals, the mines can be directly excavated on the surface of the mines, the mountain body structure can be damaged after excavation, the vibration generated by the used equipment can cause the mountain body structure to be influenced by vibration force during mining, the collapse condition occurs, after the collapse, the mines are completely buried, the treatment for operating workers inside the mines is not facilitated, and in order to avoid the occurrence of the conditions, a safety production risk prediction and early warning platform is usually constructed after the mines are built, the mine safety production risk prediction early warning platform is used for predicting risks, directly assembling the mine safety production risk prediction early warning platform on the ground inside a mine hole and detecting the vibration degree of the ground inside the mine hole and the structural strength inside the mine hole, and before the risks occur, early warning is carried out in advance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a non-coal mine safety production risk prediction early warning platform, which solves the problem that the accuracy of risk prediction is reduced because the flying dust falls into the prediction early warning platform because the mountain needs to be continuously exploited to cause the flying dust when a mine is exploited, and parts conducting earthquake dynamics cannot be accurately conducted and predicted due to the influence of the dust.
Aiming at the above purpose, the invention is realized by the following technical scheme: the non-coal mine safety production risk prediction early warning platform structurally comprises a bottom plate, an alarm, a clamping plate, a top plate and a detection mechanism, wherein the lower end of the alarm is fixedly clamped on the outer wall of the upper end of the bottom plate in an embedding manner, the upper end of the clamping plate is fixedly embedded on the outer wall of the lower end of the top plate, the lower end of the top plate is movably matched with the outer wall of the upper end of the bottom plate, and the outer wall of the detection mechanism is matched with the inner wall of the top plate in an embedding manner;
the detection mechanism comprises air duct, screens ring dish, detector, air duct and roof structure as an organic whole, screens ring dish outer wall nestification block in roof inner wall, detector outer wall movable fit matches screens ring dish inner wall.
Preferably, the detector comprises three positioning frames, connecting bolts, a folding mechanism, balancing devices and connecting rods, wherein the outer walls of the positioning frames are fixedly embedded and clamped on the inner wall of the clamping ring disc, the outer walls of the connecting bolts are embedded and clamped on the inner wall of the connecting rod, the inner walls of two ends of the folding mechanism are movably clamped and clamped on the outer walls of the connecting bolts, the outer walls of the balancing devices are clamped and connected on the inner walls of the positioning frames, the outer walls of one ends of the connecting rods are clamped and connected on the outer walls of two ends of the folding mechanism, and the three folding mechanisms are annularly arranged on the outer walls of the balancing devices.
Preferably, the folding mechanism comprises a folding device, a transmission rod and a buckle, wherein the outer walls of two ends of the folding device are nested and clamped on the inner wall of the buckle, the right side of the transmission rod is fixedly embedded on the outer walls of two ends of the buckle, and the outer wall of the buckle is movably matched with the outer wall of the balancing device.
Preferably, the folding device comprises a clamping pin, folding rings, a clamping ring and a restorer, wherein the outer wall of the clamping pin is nested and clamped on the inner wall of the clamping ring, the inner wall of the folding ring is nested and matched on the outer wall of the restorer, the outer wall of the clamping ring is welded and fixed on the inner wall between the folding rings, the inner walls at the upper end and the lower end of the restorer are nested and clamped on the outer wall between the clamping pins, the folding rings are formed by combining two arc rods, and the folding rings are arranged on the outer wall of the restorer in a star-ring structure.
Preferably, the restorer comprises a shell, a connecting seat, two folding arc rods, two folding strips and force guide plates, wherein the outer wall of the shell is nested and matched with the inner wall of a folding ring, the outer wall of the connecting seat is in clamping fit with the inner wall of the shell, the outer walls of the two ends of each folding arc rod are embedded and clamped between the force guide plates, the outer walls of the two ends of each folding strip are embedded and fixed between the two folding arc rods, the right sides of the force guide plates are movably clamped between the connecting seat, and the two folding strips are arranged on the inner walls of the upper end and the lower end of each folding arc rod in a mirror image mode.
Preferably, the balancing device comprises an embedded rod, balancing rods and levelers, wherein the outer wall of the embedded rod is embedded and clamped on the inner wall of the positioning frame, the outer wall of the lower end of the balancing rod is embedded and connected to the outer wall of the upper end of the embedded rod, the inner wall of each leveller is embedded and matched with the outer wall of the inner side of the balancing rod, and the balancing rods are three in number and are annularly arranged on the inner wall of each leveller.
Preferably, the level device comprises an insertion plate, a shell, a magnetism increasing device, a limiting pin and a connecting ring, wherein the upper end of the insertion plate is fixedly embedded in the outer wall of the connecting ring, the inner wall of the shell is in nested fit with the outer wall of the connecting ring, the outer wall of the magnetism increasing device is in friction fit with the inner wall of the shell, the outer wall of the limiting pin is embedded and clamped in the inner wall of the insertion plate, and the outer wall of the rear end of the connecting ring is in fit with the outer wall of the front end of the magnetism increasing device.
Preferably, the magnetism booster comprises a ring shell, a friction roller, a clamping link, a coil and a fixed seat, wherein the inner wall of the ring shell is in nested fit with the outer wall of the clamping link, the outer walls of two ends of the friction roller are in nested fit with the inner wall of the ring shell, the outer wall of the clamping link is fixed on the inner wall of the fixed seat in a nested manner, the outer wall of the coil is in frictional fit with the outer wall of the friction roller, the outer wall of the fixed seat is fixedly embedded in the inner wall of the ring shell, the number of the friction rollers is three, and the friction rollers are in frictional fit with the outer walls of the coil arranged at three ends.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
when the device is used, after the assembly is completed, the bottom plate and the top plate are in a parallel state, and when mine works and dust in the mine floats to the surface of the detection mechanism, the balancing device moves downwards for a certain distance due to the slight weight brought by the falling dust because the balancing device in the detection mechanism is in a magnetic suspension state, so that parts in the balancing device are rubbed to generate electrostatic magnetic force, the upper end of the balancing device is pushed to move upwards quickly through the electrostatic magnetic force to shake the surface dust, and the situation that the transmission is insensitive due to the blockage of the dust in the device is avoided because the dust enters the device.
Drawings
Fig. 1 is a schematic structural diagram of a non-coal mine safety production risk prediction early warning platform.
Fig. 2 is a schematic top view of the detecting mechanism of the present invention.
Fig. 3 is a schematic sectional structure view of the retaining ring disc of the present invention.
Fig. 4 is an enlarged schematic view of the folding mechanism of the invention.
Fig. 5 is a schematic structural diagram of the folder of the invention.
Fig. 6 is a schematic sectional structure diagram of the restorer of the invention.
Fig. 7 is a schematic structural diagram of the balancing device of the present invention.
FIG. 8 is a schematic cross-sectional view of the inventive level.
FIG. 9 is a schematic cross-sectional view of the inventive magnetizer.
In the figure: bottom plate-1, alarm-2, clamping plate-3, top plate-4, detection mechanism-5, vent groove-51, clamping ring disc-52, detector-53, positioning frame-a 1, connecting bolt-a 2, folding mechanism-a 3, balancing device-a 4, connecting rod-a 5, folder-b 1, transmission rod-b 2, buckle-b 3, clamping pin-c 1, folding ring-c 2, clamping ring-c 3, restorer-c 4, shell-d 1, connecting seat-d 2, folded arc rod-d 3, folding strip-d 4, guide plate-d 5, nested rod-e 1, balancing rod-e 2, level-e 3, inserting plate-f 1, shell-f 2, magnetism increaser-f 3, limiting pin-f 4, Connecting ring-f 5, ring shell-g 1, friction roller-g 2, clamping interlink-g 3, coil-g 4 and fixing seat-g 5.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1 to 6, the invention provides a non-coal mine safety production risk prediction early warning platform, which comprises a bottom plate 1, an alarm 2, a clamping plate 3, a top plate 4 and a detection mechanism 5, wherein the lower end of the alarm 2 is fixedly clamped on the outer wall of the upper end of the bottom plate 1, the upper end of the clamping plate 3 is fixedly embedded on the outer wall of the lower end of the top plate 4, the lower end of the top plate 4 is movably matched on the outer wall of the upper end of the bottom plate 1, and the outer wall of the detection mechanism 5 is nested on the inner wall of the top plate 4;
the detection mechanism 5 is composed of an air channel 51, a clamping ring disc 52 and a detector 53, the air channel 51 and the top plate 4 are of an integrated structure, the outer wall of the clamping ring disc 52 is nested and clamped on the inner wall of the top plate 4, and the outer wall of the detector 53 is movably matched on the inner wall of the clamping ring disc 52.
The detector 53 comprises a positioning frame a1, a connecting pin a2, a folding mechanism a3, a balancing device a4 and a connecting rod a5, wherein the outer wall of the positioning frame a1 is embedded and clamped on the inner wall of the clamping ring disc 52, the outer wall of the connecting pin a2 is embedded and clamped on the inner wall of the connecting rod a5, the inner walls of the two ends of the folding mechanism a3 are movably clamped on the outer wall of the connecting pin a2, the outer wall of the balancing device a4 is clamped and connected on the inner wall of the positioning frame a1, the outer wall of one end of the connecting rod a5 is clamped and connected on the outer walls of the two ends of the folding mechanism a3, three folding mechanisms a3 are arranged in an annular manner on the outer wall of the balancing device a4, and when the structure of the device is changed, the folding mechanism a3 at the three ends can cover more angles to make a response.
The folding mechanism a3 comprises a folder b1, a transmission rod b2 and a buckle b3, the outer walls of two ends of the folder b1 are nested and clamped on the inner wall of the buckle b3, the right side of the transmission rod b2 is fixedly embedded on the outer walls of two ends of the buckle b3, and the outer wall of the buckle b3 is movably matched with the outer wall of the balancing device a 4.
The folding device b1 comprises a clamping pin c1, a folding ring c2, a clamping ring c3 and a restorer c4, wherein the outer wall of the clamping pin c1 is nested and clamped on the inner wall of the clamping ring c3, the inner wall of the folding ring c2 is nested and matched with the outer wall of the restorer c4, the outer wall of the clamping ring c3 is welded and fixed on the inner wall between the folding rings c2, the inner walls of the upper end and the lower end of the restorer c4 are nested and clamped on the outer wall between the clamping pins c1, the folding ring c2 is formed by combining two arc rods, the structure of the folding ring b1 is a star-shaped structure arranged on the outer wall of the restorer 4, and the folding rings c2 arranged at the two ends cannot rub the surface of the restorer c4 when the angle is changed.
The restorer c4 comprises a housing d1, a connecting seat d2, a folding arc rod d3, a folding strip d4 and a force guide plate d5, wherein the outer wall of the housing d1 is nested and matched with the inner wall of a folding ring c2, the outer wall of the connecting seat d2 is clamped and matched with the inner wall of the housing d1, the outer walls of the two ends of the folding arc rod d3 are embedded and clamped between the force guide plates d5, the outer walls of the two ends of the folding strip d4 are embedded and fixed between folding arc rods d3, the right side of the force guide plate d5 is movably clamped and matched between the connecting seat d2, the two folding strips d4 are arranged, are arranged on the inner walls of the upper end and the lower end of the folding arc rod d3 in a mirror image mode, and the upper end and the lower end of the folding arc rod d3 can be simultaneously moved and quickly restored when the folding strip d4 is restored.
The following examples are set forth: when the device is used, the bottom plate 1 is fixed to the ground, the device can be assembled after the bottom plate 1 is fixed, the ground vibration is transmitted through the bottom plate 1, when the ground of a mine vibrates, the vibration amplitude is too large, the bottom plate 1 can move and contact the clamping plate 3 to push the top plate 4, the angle of the top plate 4 is changed to a certain degree, and is transmitted to the clamping ring disc 52 through the angle change of the top plate 4, when the angle of the clamping ring disc 52 is changed, the angle change of one end of the clamping ring disc 52 can drive the positioning frame a1 to be acted and change the angle, the angle of the positioning frame a1 can be acted on the folding mechanism a3 after the angle is increased, the transmission rod b2 arranged in the folding mechanism a3 drives the buckle b3 and acts on the folding device b1 through the buckle b3, and the folding rings c2 arranged at two ends of the folding device b1 are folded, and acts on restorer c4 through the folding of folding ring c2, makes connecting seat d2 that restorer c4 is inside to be equipped with driven and drive fifty percent discount arc pole d3 and fold, and collect the transmission and carry out the record to current data, or carry out the alarm, and after ground vibrations resume, folding strip d4 can reset, and through the restoration of folding strip d4 and promote fifty percent discount arc pole d3 and drive the whole equipment and reset.
Example 2
As shown in fig. 7 to 9: the balancing device a4 comprises a nesting rod e1, a balancing rod e2 and a level device e3, the outer wall of the nesting rod e1 is nested and clamped on the inner wall of the positioning frame a1, the outer wall of the lower end of the balancing rod e2 is nested and connected with the outer wall of the upper end of the nesting rod e1, the inner wall of the level device e3 is nested and matched with the outer wall of the inner side of the balancing rod e2, the balancing rods e2 are three in number and are annularly arranged on the inner wall of the level device e3, and the balancing rods e2 arranged at the three ends can conduct changes of any angles on the periphery.
The level e3 comprises an insertion plate f1, a housing f2, a magnetism increasing device f3, a limiting pin f4 and a connecting ring f5, the upper end of the insertion plate f1 is fixedly embedded in the outer wall of the connecting ring f5, the inner wall of the housing f2 is in nested fit with the outer wall of the connecting ring f5, the outer wall of the magnetism increasing device f3 is in friction fit with the inner wall of the housing f2, the outer wall of the limiting pin f4 is in nested fit with the inner wall of the insertion plate f1, and the outer wall of the rear end of the connecting ring f5 is in fit with the outer wall of the front end of the magnetism increasing device f 3.
The magnetizer f3 comprises an annular shell g1, a friction roller g2, a clamping interlinking g3, a coil g4 and a fixed seat g5, wherein the inner wall of the annular shell g1 is nested and matched with the outer wall of the clamping interlinking g3, the outer walls of two ends of the friction roller g2 are nested and matched with the inner wall of the annular shell g1, the outer wall of the clamping interlinking g3 is nested and fixed on the inner wall of the fixed seat g5, the outer wall of the coil g4 is frictionally matched with the outer wall of the friction roller g2, the outer wall of the fixed seat g5 is fixedly embedded and fixed on the inner wall of the annular shell g1, the friction rollers g2 are provided with three ends, the friction rollers are frictionally matched with the outer wall of the coil g4 arranged at the three ends, and the friction roller g2 arranged at the three ends can increase the magnetic force generated when the friction roller g2 is rubbed under the combined action of the three ends.
The following examples are set forth: when the equipment is assembled in an equipment mine, after the equipment is assembled in the mine, when the mine is mined, the mined mine is full of dust in air, the dust falls to the surface of the level e3, the surface of the level e3 is covered with the dust, the shell f2 of the level e3 is suspended on the upper end surface of the connecting ring f5 in a magnetic suspension mode and is pushed by the repulsive force of the connecting ring f5 to suspend, the weight is extremely sensitive, after the dust is covered on the surface of the shell f2, the shell f2 enables the shell f2 to move backwards due to the weight brought by the dust and sand, when the shell f2 moves, the inner wall of the shell f2 is attached to the outer wall of the magnetism increaser f3, when the shell f2 moves downwards, the movement of the shell f2 can rub the friction of the friction g2 arranged inside the magnetism increaser f3, and the friction g2 can be driven to rotate, one end of the friction roller g2 is attached to the outer wall of the coil g4, when the friction roller g2 rotates, the rotation of the friction roller g2 can rub the surface of the coil g4, and generate static electricity to a certain extent due to the friction, the static electricity can be influenced by the coil g4 to generate electromagnetic force, the shell f2 is rapidly moved upwards due to the repulsive force by virtue of the repulsive force exerted on the shell f2, the dust on the surface of the shell f2 is removed by virtue of the vibration generated by rapid movement, and the situation that the sensitivity is reduced due to the influence of the dust in the equipment caused by the fact that the dust is too much accumulated and slides into the equipment is avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The non-coal mine safety production risk prediction early warning platform structurally comprises a bottom plate (1), an alarm (2), a clamping plate (3), a top plate (4) and a detection mechanism (5), wherein the lower end of the alarm (2) is fixedly clamped on the outer wall of the upper end of the bottom plate (1), the upper end of the clamping plate (3) is fixedly embedded on the outer wall of the lower end of the top plate (4), the lower end of the top plate (4) is movably matched on the outer wall of the upper end of the bottom plate (1), and the outer wall of the detection mechanism (5) is matched on the inner wall of the top plate (4) in a nested manner;
detection mechanism (5) comprise air channel (51), screens ring dish (52), detector (53), air channel (51) and roof (4) are integral structure, screens ring dish (52) outer wall nested joint in roof (4) inner wall, detector (53) outer wall activity fit in screens ring dish (52) inner wall.
2. The non-coal mine safety production risk prediction and early warning platform according to claim 1, characterized in that: detector (53) comprise locating rack (a1), connecting pin (a2), folding mechanism (a3), balancing unit (a4), connecting rod (a5), locating rack (a1) outer wall is embedded and is blocked in screens ring dish (52) inner wall, connecting pin (a2) outer wall nestification block in connecting rod (a5) inner wall, folding mechanism (a3) both ends inner wall activity block in connecting pin (a2) outer wall, balancing unit (a4) outer wall block is connected in locating rack (a1) inner wall, connecting rod (a5) one end outer wall block is connected in folding mechanism (a3) both ends outer wall.
3. The non-coal mine safety production risk prediction and early warning platform according to claim 2, characterized in that: the folding mechanism (a3) comprises a folder (b1), a transmission rod (b2) and a buckle (b3), wherein the outer walls of two ends of the folder (b1) are nested and clamped on the inner wall of the buckle (b3), the right side of the transmission rod (b2) is fixedly embedded on the outer walls of two ends of the buckle (b3), and the outer wall of the buckle (b3) is movably matched with the outer wall of the balancing device (a 4).
4. The non-coal mine safety production risk prediction and early warning platform according to claim 3, characterized in that: the folding device (b1) consists of a clamping pin (c1), a folding ring (c2), a clamping ring (c3) and a restorer (c4), wherein the outer wall of the clamping pin (c1) is nested and clamped on the inner wall of the clamping ring (c3), the inner wall of the folding ring (c2) is nested and matched on the outer wall of the restorer (c4), the outer wall of the clamping ring (c3) is welded and fixed on the inner wall between the folding rings (c2), and the inner walls at the upper end and the lower end of the restorer (c4) are nested and clamped on the outer wall between the clamping pins (c 1).
5. The non-coal mine safety production risk prediction and early warning platform according to claim 4, characterized in that: restorer (c4) comprises shell (d1), connecting seat (d2), fifty percent discount arc pole (d3), folding strip (d4), guide plate (d5), shell (d1) outer wall nested fit folding ring (c2) inner wall, connecting seat (d2) outer wall snap fit is in shell (d1) inner wall, fifty percent discount arc pole (d3) both ends outer wall is inlayed admittedly and is blocked between guide plate (d5), folding strip (d4) both ends outer wall is inlayed admittedly and is fixed in between fifty percent discount arc pole (d3), guide plate (d5) right side activity snap fit is between connecting seat (d 2).
6. The non-coal mine safety production risk prediction and early warning platform according to claim 2, characterized in that: the balancing device (a4) is composed of a nesting rod (e1), a balancing rod (e2) and a level device (e3), wherein the outer wall of the nesting rod (e1) is nested and clamped on the inner wall of the positioning frame (a1), the outer wall of the lower end of the balancing rod (e2) is nested and connected to the outer wall of the upper end of the nesting rod (e1), and the inner wall of the level device (e3) is nested and matched on the inner side outer wall of the balancing rod (e 2).
7. The non-coal mine safety production risk prediction and early warning platform according to claim 6, characterized in that: the level device (e3) comprises an insertion plate (f1), a shell (f2), a magnetism increasing device (f3), a limiting pin (f4) and a connecting ring (f5), wherein the upper end of the insertion plate (f1) is fixedly embedded in the outer wall of the connecting ring (f5), the inner wall of the shell (f2) is in nested fit with the outer wall of the connecting ring (f5), the outer wall of the magnetism increasing device (f3) is in friction fit with the inner wall of the shell (f2), the outer wall of the limiting pin (f4) is in clamped fit with the inner wall of the insertion plate (f1), and the outer wall of the rear end of the connecting ring (f5) is in fit with the outer wall of the front end of the magnetism increasing device (f 3).
8. The non-coal mine safety production risk prediction and early warning platform according to claim 7, characterized in that: the magnetism increasing device (f3) comprises an annular shell (g1), a friction roller (g2), a clamping connecting ring (g3), a coil (g4) and a fixing seat (g5), wherein the inner wall of the annular shell (g1) is in nested fit with the outer wall of the clamping connecting ring (g3), the outer walls of two ends of the friction roller (g2) are in nested fit with the inner wall of the annular shell (g1), the outer wall of the clamping connecting ring (g3) is in nested fixation on the inner wall of the fixing seat (g5), the outer wall of the coil (g4) is in frictional fit with the outer wall of the friction roller (g2), and the outer wall of the fixing seat (g5) is in embedded fixation on the inner wall of the annular shell (g 1).
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| CN113482722B (en) | 2024-06-21 |
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