CN114184290A - Automatic early warning equipment of coal yard temperature - Google Patents
Automatic early warning equipment of coal yard temperature Download PDFInfo
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- CN114184290A CN114184290A CN202210134944.2A CN202210134944A CN114184290A CN 114184290 A CN114184290 A CN 114184290A CN 202210134944 A CN202210134944 A CN 202210134944A CN 114184290 A CN114184290 A CN 114184290A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 106
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- G—PHYSICS
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a coal yard temperature automatic early warning device, which comprises a device body, wherein the device body comprises an air bubble device, a monitoring head and a device box, a temperature detection device is arranged in the monitoring head, the monitoring head is connected with a wire winding and unwinding device in the device box through a rope, the device is additionally provided with the monitoring head for dynamically monitoring coal stored in a coal yard, the monitoring head is partially embedded or completely embedded into the coal during working to monitor and early warn the internal temperature of a coal storage layer, meanwhile, during discharging, not only the monitoring and early warning of the dynamic coal is carried out, but also the action effect of the air bubble device is further improved, during the period, the monitoring head is designed by the structure of the monitoring head, the energy loss is reduced to the maximum extent, the monitoring head is deeper into the low-resistance coal, and the wire releasing and the synchronous and stable winding of the monitoring head are realized by utilizing a rotary pressing structure and a synchronous driving structure, the invention has the advantages of simple structure, strong practicability and easy use and popularization.
Description
Technical Field
The invention relates to the field of coal yard auxiliary devices, in particular to automatic coal yard temperature early warning equipment.
Background
The coal yard is a place for stacking coal, is a necessary auxiliary facility for coal-fired power plants or iron and steel plants and the like, and along with the continuous strictness of corresponding national policy regulations and safety production requirements, the traditional open-air coal storage mode and the open-air coal yard are abandoned and eliminated, and various fully-closed coal yards are widely used instead, wherein the silo-type coal storage is an existing mainstream fully-closed coal yard.
For coal yards including silo type coal yards, because a large amount of coal is stored in the coal yard, the safety of the coal yard must be ensured, the temperature monitoring and early warning devices of the coal yard are different day by day along with the progress of scientific technology, various multi-point linkage and remote networking monitoring systems, even unmanned aerial vehicles, thermal imaging and other technologies or equipment are used for monitoring and early warning the temperature of the coal yard, however, the most basic units for monitoring and early warning the temperature of the coal yard are usually fixedly arranged on the coal yard and each coal storage device of the coal yard, including the outside of the coal storage device and the inside of the coal storage device, and other monitoring units with partial activities are only used for monitoring similar to patrol work at the outer side of the coal storage position, which can not dynamically monitor the coal storage condition in the larger coal storage device in the coal yard, and particularly when the coal storage device carries out dynamic blanking and conveying, the mutual extrusion friction motion of coal materials is intensified, in the process of internal energy release, local temperature change is probably caused, and the local temperature change is a dead zone for monitoring and early warning of the existing device.
In addition, in a silo type coal yard, in order to prevent the occurrence of a silo blocking accident during blanking, an air cannon is often arranged on the outer wall of a silo funnel, and strong airflow suddenly sprayed by compressed gas impacts coal stored inside, so that the effects of clearing and blocking, breaking an arch and assisting flow are realized.
Based on the use of the air cannon and the problems of temperature monitoring and early warning of the prior coal yard, particularly a silo type coal yard, a new automatic early warning device for the temperature of the coal yard is needed.
Disclosure of Invention
The invention aims to provide automatic early warning equipment for coal yard temperature, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic early warning equipment of coal yard temperature, includes the equipment body, the equipment body includes air bubble device, sets up at the monitoring head of the jet-propelled end of air bubble device and encircles the device case that sets up in the air bubble device outside, be equipped with temperature-detecting device in the monitoring head, the monitoring head passes through the pay-off and take-up device in the rope connecting device case, the monitoring head carries out two sets of movements under the connection, the traction of pay-off and take-up device: 1. the paying-off and the far-away movement with low resistance are carried out under the action of the rotating pressing structure; 2. and synchronous high-speed wire winding and approaching movement are carried out under the action of the rotating pressing structure and the synchronous driving structure.
As a further scheme of the invention: the monitoring head comprises a bullet head part, a bullet body part and a wire holder, wherein the bullet body part is connected with the bullet head part, and the bullet head part and the bullet head are designed in a copying manner.
As a still further scheme of the invention: the wire holder is arranged on the bullet body part and is positioned in the projection area of the bullet head part.
As a still further scheme of the invention: the end face of the wire holder, which is far away from the elastic head part, is in a streamline cambered surface shape.
As a still further scheme of the invention: the bullet body portion is cylindric structure, and the wire holder is three groups and sets up 120 degrees intervals each other around the cross-section centre of a circle of bullet body portion.
As a still further scheme of the invention: the tail part of the bullet body part adopts a soft shell structure, and a wire collecting and pushing structure which adjusts the sunken state of the tail part of the bullet body part into a convex state when a wire is collected is further arranged in the bullet body part.
As a still further scheme of the invention: the bullet body is internally provided with a wire collecting and pushing structure corresponding to the number of the wire holders, the wire collecting and pushing structure comprises a first rotating block, a second rotating block, a push rod and a cambered surface push plate, the wire holder is provided with a wire hole for connecting a rope, the wire connecting air is provided with a wire leading groove for leading the end of the rope to enter the bullet body part, the first rotating block and the second rotating block are both rotatably arranged in the bullet body part, the rope is connected with one end of the first rotating block and drives the connecting end of the rope and the first rotating block to rotate towards the tail part of the bullet body part when being pulled, the rotating track of the other end of the first rotating block connecting rope contacts one end of the second rotating block, the other end of the second rotating block is connected with a push rod vertical to the warhead part, the push rod is arranged in the bullet body in a sliding mode and in a telescopic limiting groove matched with the push rod, and the end head of the push rod is provided with a cambered surface push plate with a convex surface deviating from the bullet head.
As a still further scheme of the invention: the take-up and pay-off device in the device box comprises a connecting sleeve, a wire roller and a wire roller frame, wherein the wire roller is installed on the wire roller frame, the center of the cross section of the wire roller is provided with the axial connecting sleeve, one end of a rope is fixedly connected onto the wire roller, and one end of the connecting sleeve is connected with an auxiliary rotating shaft for driving the connecting sleeve to rotate.
As a still further scheme of the invention: rotate pressfitting structure and include automatically controlled pressure jar and compression sleeve, compression sleeve fixed connection is in the terminal surface center department that the line roller deviates from vice axis of rotation, and one side of compression sleeve is equipped with flexible end towards compression sleeve's automatically controlled pressure jar, the end that automatically controlled pressed the jar is equipped with the combination piece, is equipped with the rotation groove that matches each other with the combination piece in the compression sleeve, and automatically controlled pressure jar is connected the compression sleeve through the cooperation of combination piece with the rotation groove, vice rotation axis connection connecting sleeve's end is equipped with tapered tooth portion, and the mounting groove bottom of the vice axis of rotation of connecting sleeve's connection is equipped with the tapered tooth section of thick bamboo groove that matches each other with tapered tooth portion.
As a still further scheme of the invention: the synchronous driving structure in the device box comprises a main driving shaft, a driving bevel gear and a driven bevel gear, wherein a motor with an output end in the same direction as the rope is arranged in the device box, the output end of the motor is connected with the main driving shaft, the end of the main driving shaft is connected with the driving bevel gear, the device box is internally provided with the driven bevel gear which is meshed with the driving bevel gear, the driven bevel gear is arranged at one end of an auxiliary rotating shaft, and the other end of the auxiliary rotating shaft is connected with a connecting sleeve.
Compared with the prior art, the invention has the beneficial effects that:
the device is based on the use of an air cannon device, a monitoring head for dynamically monitoring coal stored in a coal yard is additionally arranged, the monitoring head utilizes the energy transmitted by the air cannon device to be partially embedded or completely go deep into the coal material when working, internal temperature monitoring and early warning are carried out on a coal storage layer, meanwhile, monitoring and early warning on the dynamic coal material are carried out when blanking is carried out, the action effect of the air cannon device is further improved, during the period, the monitoring head is designed by the structure of the monitoring head, the energy loss is reduced to the maximum extent, the monitoring head goes deep into the coal material, low-resistance paying-off and synchronous and stable taking-up of the monitoring head are realized by utilizing a rotating pressing structure and a synchronous driving structure, and continuous circulation monitoring and early warning of the device are realized.
Drawings
Fig. 1 is an installation schematic diagram of an automatic early warning device for coal yard temperature.
Fig. 2 is a schematic structural diagram of an automatic early warning device for coal yard temperature.
Fig. 3 is a schematic structural diagram of a synchronous driving structure in the automatic early warning device for coal yard temperature.
Fig. 4 is a schematic structural diagram of a wire roller in the automatic coal yard temperature early warning device.
Fig. 5 is a schematic structural diagram of a transfer pressing and combining structure in the automatic early warning device for coal yard temperature.
Fig. 6 is a schematic structural diagram of a monitoring head in the automatic coal yard temperature early warning device.
Fig. 7 is a schematic structural diagram of a wire holder in the automatic coal yard temperature early warning device.
Fig. 8 is a schematic view of the internal structure of a monitoring head in the automatic early warning device for coal yard temperature.
Fig. 9 is a schematic working diagram of a monitoring head in the automatic coal yard temperature early warning device.
Fig. 10 is a schematic structural view of a cambered surface push plate in the automatic coal yard temperature early warning device.
Fig. 11 is a schematic structural view of a jet port placement plate in the automatic coal yard temperature early warning device.
Fig. 12 is a side view of a jet port placement disk in the automatic early warning apparatus for coal yard temperature.
Wherein: 1. a feeding and conveying machine; 2. a silo; 3. a funnel; 4. an apparatus body; 5. a rope; 6. a device case; 7. a monitoring head; 71. a bullet part; 72. a body part; 73. a wire holder; 8. an air cannon device; 9. a jet port placement plate; 901. a structural ring; 902. fixing the rod; 903. a bottom ring; 904. a contact ring; 905. a buffer spring; 10. a wire roll stand; 11. a main drive shaft; 12. a driving bevel gear; 13. a driven helical gear; 14. an auxiliary rotating shaft; 15. a wire roller; 16. a connecting sleeve; 17. compressing the sleeve; 18. an electric control pressure cylinder; 19. a tapered tooth portion; 20. a tapered gear box groove; 21. a compression block; 22. a contact block; 23. a first rotating block; 24. a second turning block; 25. a telescopic limiting groove; 26. a push rod; 27. a cambered surface push plate; 28. a first structural spring; 29. a second structural spring; 30. a lead slot; 31. a friction plate; 32. a combining block; 33. the groove is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Example 1:
referring to fig. 1 to 7, in an embodiment of the present invention, an automatic coal yard temperature early warning apparatus includes an apparatus body 4, the apparatus body 4 is disposed on an upper end of a silo 2 or an outer wall of a funnel 3, the funnel 3 is fixedly disposed at a lower end of the silo 2 and is communicated with an interior of the silo 2, the apparatus body 4 is matched with a feeding conveyor 1 for conveying coal into the silo 2 at one side of the silo 2, a coal feeder and a coal return belt conveyor for outputting coal at a lower end of the funnel 3, so as to form a silo-type coal yard as a whole, the apparatus body 4 includes an air cannon device 8, a monitoring head 7 disposed at an air injection end of the air cannon device 8, and a device box 6 disposed around an outer side of the air cannon device 8, a temperature detection device is disposed in the monitoring head 7, the monitoring head 7 is connected with a pay-off device in the device box 6 through a rope 5, and the monitoring head 7 is connected with the pay-off device in the pay-off and pay-off device, Two groups of movements are carried out under traction:
1. the paying-off and the far-away movement with low resistance are carried out under the action of the rotating pressing structure;
2. and synchronous high-speed wire winding and approaching movement are carried out under the action of the rotating pressing structure and the synchronous driving structure.
Specifically, as shown in fig. 6 and 7, the monitoring head 7 includes a bullet part 71, a bullet part 72 and a wire holder 73, the bullet part 71 is disposed at one end of the bullet part 72, and faces the silo 2 or the hopper 3 when working, the bullet part 71 and the bullet part are designed in a profile shape, such design can reduce the resistance of the monitoring head 7 moving forward under the thrust of the air flow generated by the air cannon device 8, and can also make the monitoring head 7 with certain kinetic energy to have better penetrating power to the coal when contacting the coal in the silo 2, so that the monitoring head 7 is partially embedded into or completely embedded into the coal; the wire holder 73 is arranged on the bullet body part 72 and is positioned in the projection area of the bullet head part 71, so that the wire holder 73 is hidden on the advancing covering surface of the bullet head part 71, the wire holder 73 is prevented from extending out of the bullet head part 71 to cause extra advancing resistance, and the advancing kinetic energy of the monitoring head 7 is saved.
Preferably, the end face of the wire holder 73, which is far away from the bullet head part 71, is in a streamline arc surface shape, so that the contact resistance between the wire holder 73 and coal is reduced during the wire winding process, and the rope 5 can conveniently pull the monitoring head 7 to complete the wire winding process.
Preferably, the spring body part 72 is a cylindrical structure, and the wire holders 73 are three groups and are arranged at intervals of 120 degrees around the center of the cross section of the spring body part 72; the cylindrical body part 72 is arranged at the lower end of the bullet head part 71 of the bullet head model, and the three groups of wire holders 73 are arranged around the cylindrical body part 72, so that the stability of the bullet body part 72 and the monitoring head 7 during the whole operation is determined not only based on the resistance during the paying-off and the taking-up:
1. although the single-stranded wire rope can be used for releasing and collecting the monitoring head 7, the single-stranded wire rope can cause concentrated stress points at the tail end of the monitoring head 7, the requirement on the structural strength of the monitoring head 7 is high, the subsequent soft shell design is not applicable, the lightweight design is inconvenient, meanwhile, the single-stranded wire rope has a large use risk, when the single-stranded wire rope is accidentally broken, the control on the monitoring head 7 is lost immediately, and the device is partially lost and fails integrally;
2. although the requirement on structural strength is met to a certain extent by the double-strand cord, double insurance is synchronously carried out during use, when the double-strand cord is used for paying off and taking up, due to the limitation of two-point connection support, the cord stirring condition is easily generated, and the normal use of the monitoring head 7 is influenced;
3. the use of a plurality of cords (4, 5, 6 … …) consumes excessive forward energy of the monitoring head 7, and also makes the wire take-up structure too complex and not optimal;
therefore, the three sets of wire holders 73 arranged at equal angular intervals by matching the cylindrical bullet body part 72 with the cross section circle are the design most beneficial to the work of the monitoring head 7, and the three strands of ropes stably follow and pull the advancing and the recycling of the monitoring head 7.
Specifically, the take-up and pay-off device in the device box 6 comprises a connecting sleeve 16, a wire roller 15 and a wire roller frame 10, wherein the wire roller 15 is installed on the wire roller frame 10, the axial connecting sleeve 16 is installed at the center of the cross section of the wire roller 15, one end of the rope 5 is fixedly connected onto the wire roller 15 and can be bolted or in other stable realization forms, one end of the connecting sleeve 16 is connected with an auxiliary rotating shaft 14 for driving the connecting sleeve to rotate, and when the device works, the auxiliary rotating shaft 14 is driven to rotate to drive the connecting sleeve 16 to rotate, so that the wire roller 15 installed on the connecting sleeve 16 rotates, and the paying-off or take-up of the rope 5 is completed.
Specifically, as shown in fig. 5, the rotary pressing structure includes an electrically controlled pressure cylinder 18 and a compression sleeve 17, the compression sleeve 17 is fixedly connected to the end face center of the line roller 15 away from the auxiliary rotating shaft 14, the electrically controlled pressure cylinder 18 having a telescopic end facing the compression sleeve 17 is arranged on one side of the compression sleeve 17, a coupling block 32 is arranged at an end of the electrically controlled pressure cylinder 18, a rotating groove 33 mutually matched with the coupling block 32 is arranged in the compression sleeve 17, the electrically controlled pressure cylinder 18 is connected to the compression sleeve 17 through the coupling block 32 and the rotating groove 33 in a matching manner, a tapered tooth portion 19 is arranged at an end of the auxiliary rotating shaft 14 connected to the connection sleeve 16, a tapered tooth cylinder groove 20 mutually matched with the tapered tooth portion 19 is arranged at the bottom of the installation groove of the connection auxiliary rotating shaft 14 of the connection sleeve 16, and transmission occurs when an external tooth pattern of the tapered tooth portion 19 contacts with an internal tooth pattern of the tapered tooth cylinder groove 20; in the paying-off process, in order to reduce the resistance of the rope 5, the electric control pressure cylinder 18 works to retract, the connecting sleeve 16 is driven to move in the direction far away from the auxiliary rotating shaft 14 through the transmission of the compression sleeve 17, the conical toothed cylinder groove 20 is separated from the conical toothed part 19 at intervals, and the transmission of the movement does not occur, so that the rotation restriction of a transmission mechanism connected with the auxiliary rotating shaft 14 on the connecting sleeve 16 and a wire roller 15 connected with the connecting sleeve 16 is prevented, the wire roller 15 is subjected to high paying-off with low resistance, in the paying-off process, the electric control pressure cylinder 18 works to extend, the connecting sleeve 16 is driven to move to one side of the auxiliary rotating shaft 14 through the compression sleeve 17, the conical toothed cylinder groove 20 is contacted with the conical toothed part 19 and is subjected to transmission, the rotation of the connecting sleeve 16 is realized, the wire roller 15 is driven to rotate in the paying-off direction opposite to the paying-off direction, and the rope 5 is recovered on the wire returning roller 15.
Further, vice axis of rotation 14 is equipped with compact heap 21 towards connecting sleeve 16, and connecting sleeve 16 connects the mounting groove bottom of vice axis of rotation 14 and is equipped with the contact piece 22 of elastic material, through the setting of contact piece 22 and connecting sleeve 16, when promoting vice axis of rotation 14 and connecting sleeve 16 contact friction, stable transmission, still plays the buffer protection effect during axial relative motion, prevents to cause the damage to the mechanism.
Specifically, the synchronous driving structure in the device box 6 comprises a main driving shaft 11, a driving bevel gear 12 and a driven bevel gear 13, wherein a motor with an output end in the same direction as the rope 5 is arranged in the device box 6, the output end of the motor is connected with the main driving shaft 11, the end head of the main driving shaft 11 is connected with the driving bevel gear 12, the device box 6 is internally provided with the driven bevel gear 13 which is meshed with the driving bevel gear 12, the driven bevel gear 13 is arranged at one end of an auxiliary rotating shaft 14, and the other end of the auxiliary rotating shaft 14 is connected with a connecting sleeve 16; when the wire winding machine works, the motor drives the main driving shaft 11 to rotate so as to drive the driving bevel gear 12, the driving bevel gear 12 synchronously rotates to drive the three groups of driven bevel gears 13 meshed with the driving bevel gear to synchronously rotate, and the rotation is transmitted to the connecting sleeve 16 and the wire roller 15 which are respectively connected through the auxiliary rotating shaft 14 so as to carry out required wire winding rotation driving.
In addition, the temperature detection device may be a thermocouple assembly, the temperature detection device is installed in the bullet body part 72 of the monitoring head 7, the detection port faces outwards, and the bullet head part 71 protects the bullet body part 72 and the temperature detection device in the bullet body part 72 as necessary, so that the long-term stability of the equipment use is ensured.
During the specific work:
the device is arranged outside a silo 2 or a funnel 3 for storing coal in a coal yard, a jet orifice placing disc 9 and a monitoring head 7 of the device are arranged at a reserved hole or a cutting hole, after air cannon devices 8 compress air, strong airflow is explosively jetted into the silo 2 or the funnel 3, the strong airflow directly impacts the stored coal and also directly acts on the monitoring head 7 to ensure that the monitoring head 7 obtains enough kinetic energy, the monitoring head 7 is connected with respective wire rollers 15 in a device box 6 through three groups of ropes 5, at the moment, an electric control pressure cylinder 18 drives a compression sleeve 17 and a connecting sleeve 16 to be separated from a driven auxiliary rotating shaft 14 at intervals, the restriction of a synchronous driving structure connected with the auxiliary rotating shaft 14 on the rotation of the wire rollers 15 is avoided, the wire rollers 15 can rotate at a low-resistance high speed, so that the monitoring head 7 drives the three groups of ropes 5 to move towards the silo 2 or the funnel 3, wherein the bullet head part 71 of the monitoring head 7 adopts a sub-bullet head profiling design, the wire holder 73 is also arranged in the projection area of the warhead part 71, so that the resistance of the monitoring head 7 moving forward under the thrust of the air flow generated by the air cannon device 8 is sufficiently reduced, the monitoring head 7 with certain kinetic energy can cause better penetrating power to the coal material when contacting the coal material in the silo 2, the monitoring head 7 is partially embedded or completely embedded into the coal material, and the temperature detection device arranged on the monitoring head 7 is utilized to measure the interior of the coal storage;
when the equipment is arranged on the side wall or the top of the silo 2, the equipment is used for directly carrying out deep temperature monitoring on the coal stored in the silo; when the device is arranged on the funnel 3, the device can work cooperatively during blanking, blockage removal is realized by using an air cannon, blanking is promoted, dynamic monitoring is carried out on the coal during blanking by the device, and the blockage removal effect on the coal is further promoted by using the self impact effect during monitoring, so that blanking and temperature monitoring are synchronously completed and promoted mutually;
after single transmission monitoring is accomplished, utilize automatically controlled pneumatic cylinder 18 to drive compression sleeve 17 and connecting sleeve 16 and vice axis of rotation 14 contact and take place the transmission, make three group's line rollers 15 accept the rotation transmission of vice axis of rotation 14, the motor in the device case 6 drives three group's driven helical gears 13 through initiative helical gear 12 in step and rotates, and then make three group's line rollers 15 carry out synchronous rotation, its rotation direction is opposite with the unwrapping wire direction, stably retrieve rope 5, finally pull back initial position monitoring head 7, the injection monitoring of next time of being convenient for.
This equipment is based on air bubble device 8's use, add and established the developments and carried out monitoring head 7 monitored to coal storage in the coal yard, monitoring head 7 utilizes the energy of air bubble device 8 transmission at the during operation, partly imbed or go deep into in the coal charge completely, carry out inside temperature monitoring and early warning to the coal storage layer, simultaneously when the unloading, not only develop monitoring and the early warning to dynamic coal charge, still further promoted air bubble device 8's effect, during this period, monitoring head 7 is with the structural design of self, furthest's loss of reduction energy, make monitoring head 7 go deep more to the coal charge is inside, and utilize to rotate pressfitting structure and synchronous drive structure and realize low resistance unwrapping wire and the synchronous stability receipts line to monitoring head 7, realize equipment continuous cycle monitoring and early warning.
Example 2:
referring to fig. 8 to 10, in the embodiment of the present invention, based on embodiment 1, the dynamic capability of the monitoring head 7 is further improved, and particularly, the monitoring head 7 is convenient to smoothly take up the line, the tail of the bullet body portion 72 adopts a soft shell structure, and this design generates an inward recess when being driven by the airflow of the air cannon device 8, so that the monitoring head 7 better receives the airflow push of the air cannon device 8, and meanwhile, the bullet body portion 72 is also internally provided with a line-receiving and pushing structure, and the line-receiving and pushing structure inside the bullet body portion 72 adjusts the recessed state of the tail of the bullet body portion 72 into a convex state when taking up the line, so as to overcome the resistance of the coal material and smoothly achieve line-receiving.
Specifically, as shown in fig. 8, a wire collecting and pushing structure corresponding to the number of wire holders 73 is arranged in the bullet body portion 72, the wire collecting and pushing structure includes a first rotating block 23, a second rotating block 24, a push rod 26 and an arc push plate 27, a wire connecting hole for connecting a rope 5 is arranged in the wire holder 73, a wire guiding groove 30 for guiding the end of the rope 5 into the bullet body portion 72 is arranged in the wire connecting hole, the first rotating block 23 and the second rotating block 24 are both rotatably installed in the bullet body portion 72, the rope 5 is connected to one end of the first rotating block 23, and when the rope 5 is pulled, the connecting end of the rope 5 and the first rotating block 23 is driven to rotate towards the tail of the bullet body portion 72, the first rotating block 23 is connected to one end of the second rotating block 24 on a rotating track of the other end of the rope 5, the other end of the second rotating block 24 is connected to the push rod 26 perpendicular to the bullet head portion 71, the push rod 26 is slidably arranged in the bullet body portion 72 in a telescopic groove 25 matched with the bullet body portion, the end of the push rod 26 is provided with an arc push plate 27 with a convex surface deviating from the bullet head part 71; when the cable is taken up, the three groups of cables 5 connected with the wire holder 73 are pulled to directly pull the first rotating block 23 connected in the bullet body part 72, so that the first rotating block 23 rotates towards the tail part of the bullet body part 72, during the rotation of the first rotating block 23, the other end of the first rotating block contacts and drives the second rotating block 24, so that the contact end of the second rotating block 24 and the first rotating block 23 rotates towards the bullet head part 71, the other end of the second rotating block 24 generates a thrust towards the tail part of the bullet body part 72 towards the connected push rod 26, so as to drive the cambered push plate 27 to contact and enable the soft shell structure at the tail part of the monitoring head 7 to be changed from a concave shape to a convex shape, and the movement of the monitoring head 7 on the take-up and pay-off lines is more forceful (as shown in fig. 9).
Specifically, receive line ejection structure and still be equipped with first structural spring 28, second structural spring 29 and a plurality of torsional spring, first turning block 23 rotates one side to body of bullet portion 72 afterbody and is equipped with first structural spring 28, second turning block 24 is equipped with second structural spring 29 in first turning block 23 contact jaw to warhead portion 71 rotation side, the equal black of rotation installation department of first turning block 23 and second turning block 24 has the torsional spring, through the setting of multiunit resilient means, it is stable to keep its inside first turning block 23 and second turning block 24's gesture, it can overcome elasticity and take place to rotate when the action, the elasticity effect otherwise also can provide corresponding drive power that resets to keep the stability of structure.
In addition, in order to guarantee the synchronous stability of the operation of a plurality of cambered surface push plates 27, friction plates 31 are further arranged among the cambered surface push plates 27 in the bullet body part 72, and the movement association of three groups of cambered surface push plates 27 in the bullet body part 72 is realized through the arrangement of the friction plates 31, so that the three groups of cambered surface push plates are mutually promoted when in movement, and the smooth protrusion of the tail part when the monitoring head 7 is recovered is guaranteed.
Example 3:
referring to fig. 10 to 12, on the basis of embodiments 1 and 2, in order to realize stable placement and recovery of the monitoring head 7 and facilitate the stability of the monitoring head 7 in the cyclic monitoring and warning operations, the air injection end of the air cannon apparatus 8 is provided with an injection port placement plate 9 for stably placing and recovering the monitoring head 7.
The jet orifice placing disc 9 comprises a structural ring 901, a bottom ring 903 and a contact ring 904, the structural ring 901 is fixedly arranged at the air injection end of the air cannon device 8, the circle center of the cross section of the structural ring 901 is provided with the bottom ring 903, the bottom ring 903 is fixedly arranged in the structural ring 901 through a plurality of fixing rods 902, the end face, away from the air cannon device 8, of the bottom ring 903 is provided with the contact ring 904 coaxially arranged with the bottom ring 903, the inner hole diameters of the bottom ring 903 and the contact ring 904 are both larger than the cross section radius of the bomb body part 72 and smaller than the maximum cross section radius of the bomb head part 71, the contact ring 904 is in an inward concave arc surface shape, and the contact ring 904 is arranged on the bottom ring 903 through a plurality of buffer springs 905.
Arranging a placement structure of an internal environment at the air injection end of the air cannon device 8, reducing the influence on the injection air flow of the air cannon device 8 to the minimum, and enabling the injection air flow to penetrate through the injection port placement plate 9 and act on the monitoring head 7 placed on the injection port placement plate 9; in the jet orifice placing disc 9, the bottom ring 903 and the contact ring 904 are axially arranged at an interval, the monitoring head 7 is axially fixed, the movement of the monitoring head 7 is guided as required, the cambered surface of the contact ring 904 is used for manufacturing and the design of the inner bore diameter of the contact ring 904 are used for enabling the bullet part 72 of the monitoring head 7 to be smoothly drawn into the contact ring 904 when the monitoring head 7 is recovered, the bullet part 71 cannot pass through, the wire holder 73 is pulled to contact the contact ring 904 and collide with the contact ring 904, the wire holder 73 is also designed to be a cambered surface, the contact collision with the contact ring 904 is guided when the monitoring head 7 is recovered due to the cambered surface shape, the monitoring head 7 is stably recovered to the centers of the contact ring 904 and the bottom ring 903, meanwhile, the buffer protection is carried out by the buffer spring 905, and the placing and the stable recovery of the monitoring head 7 are integrally realized.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an automatic early warning equipment of coal yard temperature, includes equipment body (4), its characterized in that, equipment body (4) include air bubble device (8), set up monitoring head (7) in air bubble device (8) jet-propelled end and encircle device case (6) that set up in the air bubble device (8) outside, be equipped with temperature-detecting device in monitoring head (7), monitoring head (7) are through the pay-off and take-up device in rope (5) connecting device case (6), the rotation pressfitting structure of resistance when receiving and paying-off device connection is used for reducing monitoring head (7) unwrapping wire, keeping away from the motion, and the synchronous drive structure that the take-up and pay-off device still connection drive received the line, it all sets up in device case (6) to rotate pressfitting structure and synchronous drive structure.
2. The coal yard temperature automatic early warning device according to claim 1, characterized in that the monitoring head (7) comprises a bullet head part (71), a bullet body part (72) and a wire holder (73), the bullet head part (71) is connected with the bullet body part (72), and the bullet head part (71) and the bullet head are designed in a copying manner.
3. The automatic coal yard temperature early warning device according to claim 2, characterized in that the wire holder (73) is arranged on the bullet body part (72) and is positioned in the projection area of the bullet head part (71).
4. The automatic coal yard temperature early warning device according to claim 2 or claim 3, wherein the end face of the wire holder (73) facing away from the bullet head (71) is in the shape of a streamlined arc.
5. The automatic coal yard temperature early warning device according to claim 2 or claim 3, characterized in that the bullet body part (72) is a cylindrical structure, and the wire holders (73) are three groups and are arranged at intervals of 120 degrees around the center of the cross section of the bullet body part (72).
6. The automatic coal yard temperature early warning device according to claim 2, characterized in that the tail of the bullet body part (72) adopts a soft shell structure, and a wire collecting and pushing structure for adjusting the concave state of the tail of the bullet body part (72) to a convex state when a wire is collected is further arranged in the bullet body part (72).
7. The automatic coal yard temperature early warning device according to claim 6, wherein the bullet body part (72) is provided with a wire collecting and pushing structure corresponding to the number of wire holders (73), the wire collecting and pushing structure comprises a first rotating block (23), a second rotating block (24), a push rod (26) and an arc push plate (27), the wire holders (73) are provided with wire connecting holes for connecting the ropes (5), the wire connecting holes are provided with lead slots (30) for guiding the ends of the ropes (5) to enter the bullet body part (72), the first rotating block (23) and the second rotating block (24) are rotatably mounted in the bullet body part (72), the ropes (5) are connected with one end of the first rotating block (23), and when the ropes (5) are pulled, the connecting ends of the first rotating block (23) and the second rotating block (24) are driven to rotate towards the tail part of the bullet body part (72), the first rotating block (23) is connected with one end of the other end of the ropes (5) in contact with one end of the second rotating block (24), the other end of the second rotating block (24) is connected with a push rod (26) perpendicular to the bullet head part (71), the push rod (26) is slidably arranged in the bullet body part (72) and in a telescopic limiting groove (25) matched with the push rod, and an arc-surface push plate (27) with a protruding surface deviating from the bullet head part (71) is installed at the end of the push rod (26).
8. The automatic coal yard temperature early warning device according to claim 1, characterized in that the wire winding and unwinding device in the device box (6) comprises a connecting sleeve (16), a wire roller (15) and a wire roller frame (10), wherein the wire roller (15) is installed on the wire roller frame (10), the axial connecting sleeve (16) is installed at the center of the cross section of the wire roller (15), one end of the rope (5) is fixedly connected to the wire roller (15), and one end of the connecting sleeve (16) is connected with an auxiliary rotating shaft (14) for driving the connecting sleeve to rotate.
9. The automatic early warning device of coal yard temperature as claimed in claim 1, wherein the rotating pressing structure comprises an electrically controlled pressure cylinder (18) and a compression sleeve (17), the compression sleeve (17) is fixedly connected to the center of the end face of the wire roller (15) departing from the auxiliary rotating shaft (14), one side of the compression sleeve (17) is provided with an electric control pressure cylinder (18) with a telescopic end facing the compression sleeve (17), the end of the electric control pressure cylinder (18) is provided with a combination block (32), a rotary groove (33) matched with the combination block (32) is arranged in the compression sleeve (17), the electric control pressure cylinder (18) is connected with the compression sleeve (17) through the combination block (32) and the rotary groove (33), the end of the auxiliary rotating shaft (14) connected with the connecting sleeve (16) is provided with a conical tooth part (19), and the bottom of the mounting groove of the connecting sleeve (16) connected with the auxiliary rotating shaft (14) is provided with a conical tooth cylinder groove (20) matched with the conical tooth part (19).
10. The automatic early warning device for the coal yard temperature according to claim 1, characterized in that the synchronous driving structure in the device box (6) comprises a main driving shaft (11), a driving bevel gear (12) and a driven bevel gear (13), a motor with the output end in the same direction as the rope (5) is arranged in the device box (6), the output end of the motor is connected with the main driving shaft (11), the end head of the main driving shaft (11) is connected with the driving bevel gear (12), the driven bevel gear (13) which is meshed with the driving bevel gear (12) is arranged in the device box (6), the driven bevel gear (13) is arranged at one end of an auxiliary rotating shaft (14), and the other end of the auxiliary rotating shaft (14) is connected with a connecting sleeve (16).
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| CN114184290B (en) | 2022-06-03 |
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