CN114348539B - Automatic thermal power generating unit coal conveying belt inspection system - Google Patents
Automatic thermal power generating unit coal conveying belt inspection system Download PDFInfo
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- CN114348539B CN114348539B CN202111559314.1A CN202111559314A CN114348539B CN 114348539 B CN114348539 B CN 114348539B CN 202111559314 A CN202111559314 A CN 202111559314A CN 114348539 B CN114348539 B CN 114348539B
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- 238000007689 inspection Methods 0.000 title claims abstract description 124
- 239000003245 coal Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 2
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- 230000000737 periodic effect Effects 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 13
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- 238000010586 diagram Methods 0.000 description 4
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- 239000000446 fuel Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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Abstract
The invention discloses an automatic thermal power generating unit coal conveying belt inspection system, which comprises a coal conveying assembly, a conveying belt and a supporting frame, wherein the conveying belt is fixed on the supporting frame; the inspection assembly is fixed on the side surface of the support frame and comprises a support plate, a mounting plate, a steering piece, an inspection piece, a limiting piece, a trigger piece, a driving piece and a resetting piece, wherein the support plate is fixed on the side surface of the support frame, the mounting plate is fixed on the top of the support plate, the steering piece is arranged on the mounting plate, and the inspection piece is fixed with the side surface of the steering piece. According to the invention, the inspection assembly is used for inspecting the coal conveying assembly, manual periodic inspection is not needed, the inspection efficiency is greatly improved, and meanwhile, the inspection instrument is protected by the protection assembly, so that the damage caused by the impact of coal blocks in the use process is avoided.
Description
Technical Field
The invention relates to the technical field of coal conveying of thermal power generating units, in particular to an automatic-based coal conveying belt inspection system of a thermal power generating unit.
Background
Thermal power generation is a main power generation mode in China, a power station boiler is used as one of three main units of a thermal power station, development is carried out along with development of thermal power industry in China, thermal power generation is divided into power generation and heat supply according to the functions of the thermal power generation, power generation and heat supply are carried out according to a prime mover steam turbine power generation, a gas turbine power generation and a diesel engine power generation, and according to the used fuel, coal-fired power generation, fuel oil power generation and gas power generation are mainly carried out, so that comprehensive economic benefits are improved, thermal power generation is carried out as close as possible to a fuel base, cogeneration is carried out in large cities and industrial areas, a thermal power unit is used for transporting coal to a designated position through a coal transporting belt generally, the operation state of the belt is required to be monitored frequently in the coal transporting process, accidents cannot be found timely, the workers are wasted, the work efficiency is low, and frequent inspection is carried out through regular inspection to a coal transporting belt accessory.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The invention has been developed in view of the above-described and/or existing problems in automated thermal power unit-based coal conveyor belt inspection systems.
Therefore, the invention aims to solve the problems that in the prior art, the inspection is generally carried out by manually and periodically inspecting the coal conveying belt accessory, so that the time of workers is greatly wasted, the working efficiency is lower, and the labor cost is obviously greatly increased by frequent inspection.
In order to solve the technical problems, the invention provides the following technical scheme: the coal conveying belt inspection system based on the automatic thermal power generating unit comprises a coal conveying assembly, wherein the coal conveying assembly comprises a conveying belt and a supporting frame, and the conveying belt is fixed on the supporting frame; the inspection assembly is fixed on the side surface of the support frame and comprises a support plate, a mounting plate, a steering piece, an inspection piece, a limiting piece, a trigger piece, a driving piece and a resetting piece, wherein the support plate is fixed on the side surface of the support frame, the mounting plate is fixed on the top of the support plate, the steering piece is arranged on the mounting plate, the inspection piece and the side surface of the steering piece are fixed, the limiting piece is arranged on the steering piece, the trigger piece is fixed on the bottom of the steering piece, the driving piece is arranged on the mounting plate, and the protection assembly is fixed on the inspection piece and comprises a protection box, an inspection instrument, a mounting piece, a protection piece and a fastening piece, the protection box is fixed on the inspection piece, the inspection instrument is positioned in the protection box, the mounting piece is arranged on the two sides of the protection box, the protection piece is positioned on the outer side of the inspection opening, and the protection piece is fixed on the protection box through the fastening piece.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the protection assembly further comprises a top cover and fixing strips, the top cover is fixed to the top of the protection box through screws, the fixing strips are fixed to two sides inside the protection box, and the inspection instrument is located between the two fixing strips.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the mounting comprises a threaded rod, a force-borrowing disc and a pressing block, wherein the threaded rod is in threaded connection with two sides of the protection box, the force-borrowing disc is located on the outer side of the protection box and fixed with one end of the threaded rod, and the pressing block is located on the inner side of the protection box and fixed with the other end of the threaded rod.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the protection piece comprises a movable frame and a protection net, wherein the movable frame is positioned at the outer side of the inspection port, and the protection net is fixed in the movable frame.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the fastener comprises an inserting block, limiting blocks and reset springs, wherein the inserting block is fixed on the protective box and positioned on two sides of the inspection opening, moving holes are formed in the inserting block, the limiting blocks slide on two sides inside the moving holes, and two ends of each reset spring are respectively fixed with two limiting blocks.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the steering part comprises a connecting plate, a rotating plate and a pulley, wherein the connecting plate is rotationally connected to one side of the rotating plate, the pulley is rotationally connected to the other side of the rotating plate, a sliding groove is formed in the mounting plate, a steering groove is formed in the middle of the sliding groove, and the pulley slides in the sliding groove;
the inspection piece comprises a turntable and a support, wherein the turntable is rotationally connected to one side of the connecting plate and fixedly connected with the rotating plate through a shaft, the support is fixed on the side face of the turntable, and the protective box is fixed on the support.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the limiting piece comprises a limiting frame, a guide block and a guide rod, wherein the limiting frame is fixed on the side face of the connecting plate and slides on the top of the mounting plate, the guide block is fixed on the side face of the connecting plate and is positioned below the limiting frame, the guide rod is fixed on the mounting plate, and the guide rod slides in the guide block;
the trigger piece includes dead lever, fixed pipe, movable rod and trigger lever, the dead lever is fixed in the connecting plate bottom, the fixed pipe with the dead lever side is fixed, the movable rod slide in the fixed pipe, the trigger lever is fixed in on the conveyer belt, and with the movable rod cooperation.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the trigger piece further comprises a connecting block and a first spring, wherein the connecting block is positioned in the fixed pipe and is fixed with one end of the movable rod, and two ends of the first spring are respectively fixed with the connecting block and the inner wall of the fixed pipe;
the trigger piece further comprises a reset rod which is fixed on the inner side of the supporting plate, a chute is formed in the movable rod, a through hole is formed in the fixed pipe, and the reset rod is matched with the chute.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the driving piece comprises a driving motor, a driving wheel, driven wheels, a belt, a ratchet wheel and a chain, wherein the driving motor is fixed at the top of the supporting plate, the driving wheel is fixed with the output end of the driving motor, the ratchet wheel is rotationally connected to two sides of the mounting plate, the driven wheels are fixed with the ratchet wheel and are positioned on the other side of the mounting plate, the driving wheel is connected with the driven wheels through the belt in a transmission manner, and the chain is arranged between the two ratchet wheels.
As a preferable scheme of the automatic thermal power generating unit coal conveying belt inspection system, the invention comprises the following steps: the reset piece comprises a mounting frame, a push plate, a fixed block, a limiting strip and a second spring, wherein the mounting frame is fixed on the chain, the push plate slides in the mounting frame, the fixed block is fixed at the bottom of the push plate, the limiting strip is fixed at two sides of the inside of the mounting frame and is positioned at the top of the fixed block, and two ends of the second spring are respectively fixed with the fixed block and the inner wall of the mounting frame;
the reset piece further comprises barbs, a push block and a bump, wherein the barbs are fixed on the side face of the push plate, the push block is fixed on the limiting frame and matched with the barbs, and the bump is fixed on the mounting plate and matched with the push plate.
The invention has the beneficial effects that: according to the invention, the inspection assembly is used for inspecting the coal conveying assembly, manual periodic inspection is not needed, the inspection efficiency is greatly improved, and meanwhile, the inspection instrument is protected by the protection assembly, so that the damage caused by the impact of coal blocks in the use process is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is an overall structure diagram of a coal conveying belt inspection system of a thermal power generating unit based on automation.
Fig. 2 is a diagram of a protective component structure of a coal conveying belt inspection system of a thermal power generating unit based on automation.
Fig. 3 is a structural diagram of a mounting part of the coal conveying belt inspection system of the thermal power generating unit based on automation.
Fig. 4 is a cross-sectional view of a fastener of the coal conveying belt inspection system of the thermal power generating unit based on automation.
Fig. 5 is another view of the mounting plate of the coal conveying belt inspection system of the thermal power generating unit based on automation.
Fig. 6 is a view of a patrol component structure of the coal conveying belt patrol system of the thermal power generating unit based on automation.
Fig. 7 is a cross-sectional view of a trigger piece of the coal conveying belt inspection system of the thermal power generating unit based on automation.
Fig. 8 is a diagram of a reset piece structure of the coal conveying belt inspection system of the thermal power generating unit based on automation.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 6, in a first embodiment of the present invention, the embodiment provides a system for inspecting a coal conveying belt of an automatic thermal power generating unit, which includes a coal conveying assembly 100, an inspection assembly 200 and a protection assembly 300, wherein the inspection assembly 200 is arranged in the coal conveying process of the coal conveying assembly 100, so that the inspection efficiency is greatly improved without manual periodic inspection, and then the protection assembly 300 plays a role in protecting, so as to avoid damage to an inspection device caused by coal blocks in the coal conveying process.
Specifically, the coal conveying assembly 100 includes a conveyor belt 101 and a supporting frame 102, and the conveyor belt 101 is fixed on the supporting frame 102.
The conveyor belt 101 is mounted at a specified position by a support frame 102.
The inspection assembly 200 is fixed on the side surface of the support frame 102 and comprises a support plate 201, a mounting plate 202, a steering member 203, an inspection member 204, a limiting member 205, a trigger member 206, a driving member 207 and a resetting member 208, wherein the support plate 201 is fixed on the side surface of the support frame 102, the mounting plate 202 is fixed on the top of the support plate 201, the steering member 203 is arranged on the mounting plate 202, the inspection member 204 is fixed on the side surface of the steering member 203, the limiting member 205 is arranged on the steering member 203, the trigger member 206 is fixed on the bottom of the steering member 203, and the driving member 207 is arranged on the mounting plate 202.
The backup pad 201 is used for supporting this subassembly, turn to piece 203 and install on mounting panel 202, in the process of patrolling and examining, drive to patrol and examine piece 204 and rotate through turning to monitor the top and the bottom of conveyer belt, in the in-process of patrolling and examining piece 204 and make a round trip to patrol and examine, it is spacing to carry out through locating part 205, prevent that it from shifting in the in-process of controlling the removal, then make to patrol and examine piece 204 and arrive timely stopping when the marginal through setting up of trigger piece 206, then will patrol and examine piece 204 and drive the opposite side that moves to conveyer belt 101 through driving piece 207 and reset piece 208, with this circulation, very big improvement patrol and examine efficiency.
The protection component 300 is fixed on the inspection piece 204 and comprises a protection box 301, an inspection instrument 302, a mounting piece 303, a protection piece 304 and a fastening piece 305, wherein the protection box 301 is fixed on the inspection piece 204, the inspection instrument 302 is positioned in the protection box 301, the mounting piece 303 is arranged on two sides of the protection box 301, an inspection opening L is formed in the protection box 301, the protection piece 304 is positioned on the outer side of the inspection opening L, and the protection piece 304 is fixed on the protection box 301 through the fastening piece 305.
The inspection instrument 302 is installed in the protective box 301 through the installation piece 303, the inspection instrument 302 can monitor the running conditions such as the surface temperature of the conveyor belt 101 in real time in the running process, the inspection is not required to be performed manually frequently, the working efficiency is greatly improved, then the inspection instrument 302 is protected through the protective box 301 and the protective piece 304, the inspection instrument 302 is prevented from being damaged due to the impact of coal blocks in the using process, and meanwhile, the protective piece 304 is more convenient to assemble and disassemble through the fastening piece 305, so that the cleaning and replacement of the protective piece 304 are more convenient.
Example 2
Referring to fig. 2 to 4, a second embodiment of the present invention is based on the previous embodiment.
Specifically, the protection assembly 300 further includes a top cover 306 and fixing strips 307, the top cover 306 is fixed on the top of the protection box 301 through screws, the fixing strips 307 are fixed on two sides inside the protection box 301, and the inspection device 302 is located between the two fixing strips 307.
The top cap 306 is used for sealing the protective box 301, so that the protective box is more convenient to seal, and the fixing strip 307 is used for limiting the inspection instrument 302, so that the inspection instrument is prevented from shaking or shifting in the use process, and the monitoring result is prevented from being influenced.
The mounting member 303 includes a threaded rod 303a, a force-applying disc 303b and a pressing block 303c, wherein the threaded rod 303a is screwed on two sides of the protection box 301, the force-applying disc 303b is located outside the protection box 301 and fixed to one end of the threaded rod 303a, and the pressing block 303c is located inside the protection box 301 and fixed to the other end of the threaded rod 303 a.
After the inspection device 302 is placed in the protective box 301, the force-aid disc 303b and the threaded rod 303a are manually rotated, the pressing block 303c is driven to move inwards by the threaded rod 303a, and the inspection device 302 is extruded and fixed, so that the installation is more convenient and stable.
The guard 304 includes a movable frame 304a and a guard net 304b, the movable frame 304a is located outside the inspection port L, and the guard net 304b is fixed in the movable frame 304 a.
The setting of the inspection port L is convenient for the inspection instrument 302 to monitor the running state of the conveyor belt 101, and at the moment, the protection state of the inspection instrument 302 is better through the movable frame 304a and the protection net 304b, so that the safety in the use process is improved.
The fastening piece 305 comprises an inserting block 305a, limiting blocks 305b and a reset spring 305c, wherein the inserting block 305a is fixed on the protective box 301 and positioned at two sides of the inspection opening L, the inserting block 305a is provided with a moving hole K, the limiting blocks 305b slide at two sides of the inner part of the moving hole K, and two ends of the reset spring 305c are respectively fixed with the two limiting blocks 305 b.
The movable frame 304a is provided with a hole corresponding to the inserting block 305a, during installation, the movable frame 304a and the protective screen 304b are installed outside the inspection port L, so that the inserting block 305a is correspondingly inserted into the hole, then the two limiting blocks 305b are pushed outwards through the reset spring 305c, the movable frame 304a is limited through the limiting blocks 305b, the installation is more convenient and stable, during disassembly, the two limiting blocks 305b are extruded inwards, the two limiting blocks 305b retract into the moving hole K, and the inserting block 305a can be taken out from the hole at the moment.
Example 3
Referring to fig. 5 to 8, a third embodiment of the present invention is based on the first two embodiments.
Specifically, the steering member 203 includes a connecting plate 203a, a rotating plate 203b, and a pulley 203c, the connecting plate 203a is rotatably connected to one side of the rotating plate 203b, the pulley 203c is rotatably connected to the other side of the rotating plate 203b, a sliding slot S is formed in the mounting plate 202, a steering slot M is formed in the middle of the sliding slot S, and the pulley 203c slides in the sliding slot S.
When the pulley 203c and the rotating plate 203b move onto the steering groove M, the pulley 203c drives the rotating plate 203b to slide in the steering groove M to steer by one hundred eighty degrees, and the movement of the connecting plate 203a is not affected, because the connecting plate 203a continuously moves.
The inspection piece 204 comprises a turntable 204a and a bracket 204b, wherein the turntable 204a is rotatably connected to one side of the connecting plate 203a and is fixedly connected with the rotating plate 203b through a shaft, the bracket 204b is fixed on the side surface of the turntable 204a, and the protective box 301 is fixed on the bracket 204 b.
The connection plate 203a is located between the turntable 204a and the rotating plate 203b, when the rotating plate 203b rotates in the steering groove M, the turntable 204a will rotate along with the rotating plate 203b, and at this time, the bracket 204b on the turntable 204a will drive the inspection device 302 to turn over one hundred eighty degrees, so as to intermittently monitor the top and bottom of the conveyor belt 101.
The limiting piece 205 comprises a limiting frame 205a, a guide block 205b and a guide rod 205c, wherein the limiting frame 205a is fixed on the side surface of the connecting plate 203a and slides on the top of the mounting plate 202, the guide block 205b is fixed on the side surface of the connecting plate 203a and is positioned below the limiting frame 205a, the guide rod 205c is fixed on the mounting plate 202, and the guide rod 205c slides in the guide block 205 b.
The limiting frame 205a is U-shaped, the top of the mounting plate 202 is positioned in the U-shaped groove, the limiting frame 205a is used for limiting the connecting plate 203a, the connecting plate 203a is prevented from being offset in the process of moving left and right, and then the connecting plate 203a is further limited through the guide block 205b and the guide rod 205c, so that the movement of the connecting plate 203a is more stable.
The triggering element 206 includes a fixed rod 206a, a fixed tube 206b, a movable rod 206c and a triggering rod 206d, wherein the fixed rod 206a is fixed at the bottom of the connecting plate 203a, the fixed tube 206b is fixed to the side surface of the fixed rod 206a, the movable rod 206c slides in the fixed tube 206b, and the triggering rod 206d is fixed on the conveyor belt 101 and cooperates with the movable rod 206 c.
The fixed rod 206a is fixed at the bottom of the connecting plate 203a and moves left and right, so as to drive the fixed tube 206b and the movable rod 206c to move, when the conveyor belt 101 starts to perform coal conveying operation, the trigger rod 206d moves along with the conveyor belt 101, when the movable rod 206c contacts with the trigger rod 206d, the trigger rod 206d pushes the movable rod 206c and the fixed tube 206b to move along with the movable rod, so as to drive the rotating plate 203b and the pulley 203c to move, and thus the inspection instrument 302 can be driven to move for inspection operation.
The trigger piece 206 further includes a connection block 206g and a first spring 206e, wherein the connection block 206g is located in the fixed tube 206b and fixed to one end of the movable rod 206c, and two ends of the first spring 206e are respectively fixed to the connection block 206g and an inner wall of the fixed tube 206 b.
The connection block 206g is used to prevent the movable rod 206c from being separated from the fixed tube 206b, and the first spring 206e pushes the movable rod 206c to have a tendency to move outwards, so as to avoid separation from the trigger rod 206d when the movable rod moves along with the trigger rod 206d, and influence the inspection efficiency.
The trigger piece 206 further includes a reset rod 206f fixed to the inner side of the supporting plate 201, a chute J is formed on the movable rod 206c, a through hole N is formed on the fixed tube 206b, and the reset rod 206f is matched with the chute J.
When the movable rod 206c is driven by the trigger rod 206d to move to the most edge of the conveyor belt 101, the reset rod 206f penetrates through the through hole N and is inserted into the chute J, wherein the surface of the reset rod 206f in contact with the chute J is chamfered, and when the reset rod 206f is inserted into the chute J, the movable rod 206c is pushed by the reset rod to move in the direction of the inside of the fixed tube 206b until the movable rod 206c is separated from the trigger rod 206d, and at this time, the movable rod 206c does not move along with the trigger rod 206 d.
The driving piece 207 comprises a driving motor 207a, a driving wheel 207b, a driven wheel 207c, a belt 207d, a ratchet wheel 207e and a chain 207f, wherein the driving motor 207a is fixed at the top of the supporting plate 201, the driving wheel 207b is fixed with the output end of the driving motor 207a, the ratchet wheel 207e is rotationally connected to two sides of the mounting plate 202, the driven wheel 207c is fixed with the ratchet wheel 207e and is positioned on the other side of the mounting plate 202, the driving wheel 207b is in transmission connection with the driven wheel 207c through the belt 207d, and the chain 207f is arranged between the two ratchet wheels 207 e.
The driving motor 207a drives the driving wheel 207b to rotate, the driving wheel 207b and the belt 207d drive the driven wheel 207c to rotate, and the driven wheel 207c and the ratchet wheel 207e drive the chain 207f to rotate, wherein the rotation speed of the chain 207f is the same as that of the conveyor belt 101.
The reset piece 208 comprises a mounting frame 208a, a push plate 208b, a fixed block 208c, a limit bar 208d and a second spring 208e, wherein the mounting frame 208a is fixed on a chain 207f, the push plate 208b slides in the mounting frame 208a, the fixed block 208c is fixed at the bottom of the push plate 208b, the limit bar 208d is fixed at two sides of the inside of the mounting frame 208a and is positioned at the top of the fixed block 208c, and two ends of the second spring 208e are respectively fixed with the fixed block 208c and the inner wall of the mounting frame 208 a.
The mounting frame 208a is U-shaped and is fixed on one of the buckles on the chain 207f, and when the chain 207f rotates, the mounting frame 208a rotates along with the chain; then, the push plate 208b is pushed upwards by the second spring 208e, when the push plate 208b moves along with the chain 207f, the push plate 208b pushes the limiting frame 205a to move along with the limiting frame, so that the inspection piece 204 is brought to the other side of the conveyor belt 101, and then the trigger rod 206d and the movable rod 206c drive the inspection piece 204 to move, so that the inspection piece 204 can continuously perform inspection operation on all parts of the surface of the conveyor belt 101.
The reset element 208 further includes a barb 208f, a push block 208g, and a bump 208h, wherein the barb 208f is fixed on the side of the push plate 208b, the push block 208g is fixed on the limiting frame 205a and cooperates with the barb 208f, and the bump 208h is fixed on the mounting plate 202 and cooperates with the push plate 208 b.
The push plate 208b is near one side of the spacing frame 205a and is provided with an inclined plane, the barb 208f is arranged on the inclined plane, the barb 208f is matched with the push block 208g, when the push plate 208b pushes the spacing frame 205a to move, the push block 208g is buckled at the bottom of the barb 208f, so that the push plate 208b can drive the spacing frame 205a to move more stably, the convex block 208h is a cylinder and is fixed on the other side of the mounting plate 202, the contact surface between the convex block 208h and the barb 208f is larger than the length of the barb 208f, when the push plate 208b pushes the spacing frame 205a to the other side of the conveyor belt 101, the convex block 208h is contacted with the inclined planes on the barb 208f and the push plate 208b, so that the barb 208f is pushed to be separated from the push block 208g, the push plate 208b is enabled to move downwards until the push plate 208b is separated from the spacing frame 205a, and at the moment, the chain 207f can continue to drive the mounting frame 208a and the push plate 208b to move to the initial position, so that the inspection piece 204 can move continuously and back and forth.
When in use, the inspection instrument 302 is placed in the protective box 301, then the force-aid disc 303b and the threaded rod 303a are manually rotated, the pressing block 303c is driven to move inwards through the threaded rod 303a, the inspection instrument 302 is extruded and fixed, the inspection instrument 302 is more conveniently and firmly installed, then the movable frame 304a and the protective net 304b are installed outside the inspection port L, the inserting block 305a is correspondingly inserted in the hole, then the two limiting blocks 305b are pushed outwards through the reset spring 305c, the movable frame 304a is limited through the limiting blocks 305b, the installation is more conveniently and firmly realized, the conveyor belt 101 is started, the coal conveying operation is carried out through the conveyor belt 101, the movable rod 206c and the fixed pipe 206b are driven to move through the triggering rod 206d on the conveyor belt 101, when the pulley 203c and the rotating plate 203b move to the middle steering groove M, the pulley 203c drives the rotating plate 203b to slide in the steering groove M to turn for one hundred eighty degrees, namely, the turntable 204a and the patrol instrument 302 are driven to turn for one hundred eighty degrees, so that intermittent monitoring is performed on the top and the bottom of the conveyor belt 101, when the patrol instrument 302 moves to a marginal position on one side of the conveyor belt 101 along with the trigger rod 206d, the reset rod 206f penetrates through the through hole N and is inserted into the chute J, and at the moment, the movable rod 206c is pushed by the reset rod to move towards the inner direction of the fixed tube 206b until the movable rod 206c is separated from the trigger rod 206d, and at the moment, the movable rod 206c does not move along with the trigger rod 206d any more, and the conveyor belt 101 drives the trigger rod 206d to move continuously; then the driving motor 207a drives the driving wheel 207b to rotate, the driving wheel 207b and the belt 207d drive the driven wheel 207c to rotate, then the driven wheel 207c and the ratchet wheel 207e drive the chain 207f to rotate, the mounting frame 208a follows the chain 207f to rotate, then the push plate 208b pushes the limiting frame 205a to move, so that the inspection instrument 302 returns along the original path, when the inspection instrument moves to the marginal position on the other side of the conveyor belt 101, the push plate 208b is driven to move downwards through the protruding block 208h until the inspection instrument is separated from the limiting frame 205a, and at the moment, the trigger rod 206d contacts with the movable rod 206c again and drives the movement of the trigger rod 206f because the rotation rate of the chain 207f is the same as that of the conveyor belt 101, and meanwhile, the chain 207f drives the mounting frame 208a and the push plate 208b to return to the initial position to reciprocate, so that the inspection instrument 302 can continuously monitor the top and bottom of the conveyor belt 101, the operation state of the inspection instrument is monitored back and forth, manual frequent inspection is not required, and the inspection efficiency is greatly improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (9)
1. Automatic thermal power generating unit coal conveying belt inspection system, its characterized in that: comprising the steps of (a) a step of,
the coal conveying assembly (100) comprises a conveying belt (101) and a supporting frame (102), wherein the conveying belt (101) is fixed on the supporting frame (102);
the inspection assembly (200) is fixed on the side surface of the support frame (102), and comprises a support plate (201), a mounting plate (202), a steering piece (203), an inspection piece (204), a limiting piece (205), a trigger piece (206), a driving piece (207) and a resetting piece (208), wherein the support plate (201) is fixed on the side surface of the support frame (102), the mounting plate (202) is fixed on the top of the support plate (201), the steering piece (203) is arranged on the mounting plate (202), the inspection piece (204) is fixed with the side surface of the steering piece (203), the limiting piece (205) is arranged on the steering piece (203), the trigger piece (206) is fixed on the bottom of the steering piece (203), the driving piece (207) is arranged on the mounting plate (202), and the inspection assembly (200) further comprises a trigger rod (206 d) which is fixed on the conveyor belt (101); the method comprises the steps of,
the protection assembly (300) is fixed on the inspection piece (204) and comprises a protection box (301), an inspection instrument (302), a mounting piece (303), a protection piece (304) and a fastening piece (305), wherein the protection box (301) is fixed on the inspection piece (204), the inspection instrument (302) is positioned in the protection box (301), the mounting piece (303) is arranged on two sides of the protection box (301), an inspection opening (L) is formed in the protection box (301), the protection piece (304) is positioned on the outer side of the inspection opening (L), and the protection piece (304) is fixed on the protection box (301) through the fastening piece (305);
the steering piece (203) comprises a connecting plate (203 a), a rotating plate (203 b) and a pulley (203 c), wherein the connecting plate (203 a) is rotationally connected to one side of the rotating plate (203 b), the pulley (203 c) is rotationally connected to the other side of the rotating plate (203 b), a sliding groove (S) is formed in the mounting plate (202), a steering groove (M) is formed in the middle of the sliding groove (S), and the pulley (203 c) slides in the sliding groove (S);
the inspection piece (204) comprises a rotary table (204 a) and a support (204 b), wherein the rotary table (204 a) is rotationally connected to one side of the connecting plate (203 a) and is fixedly connected with the rotating plate (203 b) through a shaft, the support (204 b) is fixed on the side face of the rotary table (204 a), the protection box (301) is fixed on the support (204 b), and the support (204 b) on the rotary table (204 a) can drive the inspection instrument (302) to turn over for one hundred eighty degrees so as to intermittently monitor the top and the bottom of the conveying belt (101).
2. The automated thermal power generating unit coal conveyor belt inspection system of claim 1, wherein: the protection assembly (300) further comprises a top cover (306) and fixing strips (307), the top cover (306) is fixed to the top of the protection box (301) through screws, the fixing strips (307) are fixed to two sides inside the protection box (301), and the inspection instrument (302) is located between the two fixing strips (307).
3. The automatic thermal power generating unit coal conveying belt inspection system according to claim 1 or 2, wherein: the mounting piece (303) comprises a threaded rod (303 a), a force-aid disc (303 b) and a pressing block (303 c), wherein the threaded rod (303 a) is in threaded connection with two sides of the protection box (301), the force-aid disc (303 b) is located on the outer side of the protection box (301) and fixed with one end of the threaded rod (303 a), and the pressing block (303 c) is located on the inner side of the protection box (301) and fixed with the other end of the threaded rod (303 a).
4. The automated thermal power generating unit coal conveyor belt inspection system of claim 3, wherein: the protection piece (304) comprises a movable frame (304 a) and a protection net (304 b), wherein the movable frame (304 a) is positioned on the outer side of the inspection port (L), and the protection net (304 b) is fixed in the movable frame (304 a).
5. The automated thermal power generating unit coal conveyor belt inspection system of claim 4, wherein: the fastening piece (305) comprises an inserting block (305 a), a limiting block (305 b) and a reset spring (305 c), wherein the inserting block (305 a) is fixed on the protective box (301) and positioned on two sides of the inspection port (L), a moving hole (K) is formed in the inserting block (305 a), the limiting block (305 b) slides on two sides inside the moving hole (K), and two ends of the reset spring (305 c) are respectively fixed with the two limiting blocks (305 b).
6. The automated thermal power generating unit coal conveyor belt inspection system of claim 5, wherein: the limiting piece (205) comprises a limiting frame (205 a), a guide block (205 b) and a guide rod (205 c), wherein the limiting frame (205 a) is fixed on the side surface of the connecting plate (203 a) and slides on the top of the mounting plate (202), the guide block (205 b) is fixed on the side surface of the connecting plate (203 a) and is positioned below the limiting frame (205 a), the guide rod (205 c) is fixed on the mounting plate (202), and the guide rod (205 c) slides in the guide block (205 b);
the trigger piece (206) comprises a fixed rod (206 a), a fixed pipe (206 b) and a movable rod (206 c), wherein the fixed rod (206 a) is fixed at the bottom of the connecting plate (203 a), the fixed pipe (206 b) is fixed with the side face of the fixed rod (206 a), and the movable rod (206 c) slides in the fixed pipe (206 b) and is matched with the movable rod (206 c).
7. The automated thermal power generating unit coal conveyor belt inspection system of claim 6, wherein: the trigger piece (206) further comprises a connecting block (206 g) and a first spring (206 e), wherein the connecting block (206 g) is positioned in the fixed pipe (206 b) and is fixed with one end of the movable rod (206 c), and two ends of the first spring (206 e) are respectively fixed with the connecting block (206 g) and the inner wall of the fixed pipe (206 b);
the trigger piece (206) further comprises a reset rod (206 f) which is fixed on the inner side of the supporting plate (201), a chute (J) is formed in the movable rod (206 c), a through hole (N) is formed in the fixed tube (206 b), and the reset rod (206 f) is matched with the chute (J).
8. The automated thermal power generating unit coal conveyor belt inspection system of claim 7, wherein: the driving piece (207) comprises a driving motor (207 a), a driving wheel (207 b), a driven wheel (207 c), a belt (207 d), a ratchet wheel (207 e) and a chain (207 f), wherein the driving motor (207 a) is fixed at the top of the supporting plate (201), the driving wheel (207 b) is fixed with the output end of the driving motor (207 a), the ratchet wheel (207 e) is rotationally connected to two sides of the mounting plate (202), the driven wheel (207 c) is fixed with the ratchet wheel (207 e) and is positioned on the other side of the mounting plate (202), the driving wheel (207 b) is in transmission connection with the driven wheel (207 c) through the belt (207 d), and the chain (207 f) is arranged between the two ratchet wheels (207 e).
9. The automated thermal power generating unit coal conveyor belt inspection system of claim 8, wherein: the reset piece (208) comprises a mounting frame (208 a), a push plate (208 b), a fixed block (208 c), a limiting strip (208 d) and a second spring (208 e), wherein the mounting frame (208 a) is fixed on the chain (207 f), the push plate (208 b) slides in the mounting frame (208 a), the fixed block (208 c) is fixed at the bottom of the push plate (208 b), the limiting strip (208 d) is fixed at two sides inside the mounting frame (208 a) and is positioned at the top of the fixed block (208 c), and two ends of the second spring (208 e) are respectively fixed with the fixed block (208 c) and the inner wall of the mounting frame (208 a);
the reset piece (208) further comprises a barb (208 f), a pushing block (208 g) and a protruding block (208 h), wherein the barb (208 f) is fixed on the side face of the pushing plate (208 b), the pushing block (208 g) is fixed on the limiting frame (205 a) and matched with the barb (208 f), and the protruding block (208 h) is fixed on the mounting plate (202) and matched with the pushing plate (208 b).
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| US4217977A (en) * | 1978-09-15 | 1980-08-19 | The Silicon Valley Group, Inc. | Conveyor system |
| KR20030092422A (en) * | 2002-05-29 | 2003-12-06 | 주식회사 포스코 | Belt slip constraint apparatus in the belt conveyor |
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