CN114194721B - Energy-saving regulation and control system and regulation and control method for long-distance tunnel belt conveyor ballasting - Google Patents
Energy-saving regulation and control system and regulation and control method for long-distance tunnel belt conveyor ballasting Download PDFInfo
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- CN114194721B CN114194721B CN202111625231.8A CN202111625231A CN114194721B CN 114194721 B CN114194721 B CN 114194721B CN 202111625231 A CN202111625231 A CN 202111625231A CN 114194721 B CN114194721 B CN 114194721B
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000006698 induction Effects 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000000265 homogenisation Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002893 slag Substances 0.000 abstract description 3
- 208000022971 Tuberculous meningitis Diseases 0.000 description 7
- 208000001223 meningeal tuberculosis Diseases 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/08—Protective roofs or arch supports therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/001—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base
- B65G41/003—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base mounted for linear movement only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention relates to the technical field of long-distance tunnel tunneling belt conveyor ballasting control, in particular to a long-distance tunnel belt conveyor ballasting energy-saving regulation and control system and a regulation and control method. Aims at solving the problems of high energy consumption and low automation degree in the working procedure of discharging slag in a tunnel in the prior art. The invention comprises a Y-shaped ballasting conveying chain, wherein a V-shaped head comprises two feeding pipe galleries arranged in a main tunnel, an I-shaped head comprises one ballasting pipe gallery arranged in a branch tunnel, the feeding pipe gallery comprises at least two belt conveyors, the ballasting pipe gallery comprises at least one belt conveyor, infrared induction mechanisms are arranged above the belt conveyors, and the infrared induction mechanisms are communicated with a control circuit to drive the start, stop and turn of a power source of the belt conveyors. The advantages are that: the long-distance tunnel belt conveyor ballasting energy-saving regulation and control system and the regulation and control method have low energy consumption and high automation degree, and are suitable for production requirements in tunnels.
Description
Technical Field
The invention relates to the technical field of long-distance tunnel tunneling belt conveyor ballasting control, in particular to a long-distance tunnel belt conveyor ballasting energy-saving regulation and control system and a regulation and control method.
Background
The TBM has the advantages of rapidness, high efficiency, environmental protection and the like, is widely applied to mountain tunnels, and greatly improves the construction efficiency and achieves good application effect compared with the traditional manual drilling and blasting method. At present, the TBM construction mostly adopts belt conveyor to carry out ballast, especially excavation of long distance mountain tunnel, uses belt conveyor to carry out ballast and can improve the efficiency of construction greatly. However, in the way of using the belt conveyor in TBM tunneling, the main hole belt conveyor is mainly combined with the inclined shaft belt conveyor to assist in ballasting, so that the main hole can be divided into single-head tunneling or two TBMs tunneling in opposite directions, so that the working states of the main hole belt conveyor and the inclined shaft belt conveyor are maintained in a state that the TBMs are not tunneling sometimes through field investigation so as to adapt to timely ballasting of the re-tunneling state of the TBMs. However, such an inefficient operation of the belt conveyor would greatly reduce its life, increase maintenance costs and waste a significant amount of energy.
Therefore, based on the current situation that the belt conveyor is used at present, if the problem of inefficiency and idling of the belt conveyor can be solved, the quick response of the main hole and the inclined shaft belt conveyor when the TBM is driven into ballast again can be solved, the service life of the belt conveyor can be greatly prolonged, and a large amount of maintenance cost and energy are saved. Therefore, the invention is especially important for the ballasting energy-saving regulation system of the long-distance tunnel belt conveyor.
Disclosure of Invention
The invention aims to solve the problems of high energy consumption and low automation degree in the working procedure of ballasting in a tunnel in the prior art.
The specific scheme of the invention is as follows: the energy-saving ballasting regulation and control system for the long-distance tunnel belt conveyor comprises a ballasting transportation chain in a Y shape, wherein a V-shaped head comprises two feeding pipe galleries arranged in a main tunnel, an I-shaped head comprises one ballasting pipe gallery arranged in a branch tunnel, the feeding pipe gallery comprises at least two belt conveyors, the ballasting pipe gallery comprises at least one belt conveyor, an infrared induction mechanism is arranged above each belt conveyor, and the infrared induction mechanism is communicated with a control circuit to drive the start, stop and turn of a power source of each belt conveyor; the connecting point of the V-shaped head and the I-shaped head is an inflection point, a shifting block driven by a steering motor is further arranged at the inflection point, and the shifting block forms a switch or a switch between a feeding pipe gallery and the ballasting pipe gallery; the transmission shaft on the belt conveyor is in a reverse drum shape with a thin middle and thick two ends; and a grid guard bar is arranged above the belt conveyor close to the inflection point, and the grid direction of the grid guard bar is perpendicular to the material flowing direction.
In concrete implementation, the band conveyer bottom is equipped with a plurality of lifting frames, in order to form the play ballast pipe corridor with the pay-off passageway of step-by-step reduction in the pay-off pipe corridor, the lifting frames includes bottom fixed block, lead screw and top movable block, the top movable block is connected with band conveyer's frame, and the cooperation is installed simultaneously in the lead screw, the bottom fixed block is fixed subaerial, and fixed connection simultaneously the lead screw, be equipped with the deep water response original paper on the lead screw, the deep water response original paper with control circuit communication is connected.
In the concrete implementation, still be equipped with folding waterproof canopy in band conveyer's the frame, folding waterproof canopy includes the support of Y font, wherein the pole setting cartridge in band conveyer's frame is last, and two connecting rods are connected to the top hinge, and waterproof canopy cloth is installed to one of them, and another is with supporting to be adorned in tunnel lining face of laying.
In specific implementation, the bottom of the shifting block is provided with a transition plate, the transition plate is in a blade shape or a heart shape, and under the heart-shaped condition, the outer side edge of the transition plate is provided with a blanking prevention guardrail.
In the implementation, at the inflection point of the Y-shaped ballasting conveying chain, an upper empty sleeve of the belt conveyor is connected with an intermittent stepping mechanism so as to realize the gradual feeding of the belt conveyor on the ballasting pipe gallery in an idle state.
In the concrete implementation, a motor is arranged on the belt conveyor at the inflection point of the Y-shaped ballasting conveying chain, an output shaft of the motor is in hollow connection with a sliding block, the sliding block is in gear fit with a main shaft of a driving wheel, a shifting fork is arranged at the bottom of the sliding block, a sequential driving wheel and an intermittent driving wheel are arranged on the sliding block, and the circumferential radian of a tooth shape of the intermittent driving wheel is 1/4.
Or, on the belt conveyor corresponding to the inflection point of the Y-shaped ballast discharging conveying chain, a swinging mechanism for driving the input shaft to rotate reciprocally is connected, the swinging mechanism comprises a four-bar mechanism with a power source, a rocking bar is formed between a sliding point and an axle center of the swinging mechanism, which are installed in a nested manner, wherein one end of the rocking bar is connected with the power source in a matched manner, two ends of the connecting bar are respectively connected with the rocking bar and the rocking bar, an overrun clutch is connected with the inner part of the control shell, the overrun clutch transmits power to the input shaft only through an intermittent transmission element, and the rocking bar is formed between the axle center of the control shell and the connecting point of the connecting bar.
The invention also relates to a ballasting energy-saving regulation method of the long-distance tunnel belt conveyor, which uses the ballasting energy-saving regulation system of the long-distance tunnel belt conveyor, and comprises the following steps:
(1) And (2) mounting: sequentially installing Y-shaped ballast discharging transport chains according to the upstream and downstream sequences of discharging, wherein the folding waterproof shed at the main hole end is ensured to play roles in preventing water seepage and supporting at the same time;
(2) Setting an infrared induction column every 2 meters along the ballasting transport chain in the step (1), wherein 2-4 infrared induction elements are arranged on the infrared induction column along the vertical direction to induce the stacking height of materials, when materials exist in the range of three continuous top infrared induction elements, the belt conveyor in the supporting hole is judged to be busy, the belt conveyor in the supporting hole is judged to be in full-power operation, and under other conditions, the belt conveyor in the supporting hole is judged to be idle, and the belt conveyor in the supporting hole is judged to be in reduced-power operation;
(3) And (3) adjusting: the controller receives the material information of the two feeding pipe lanes and outputs signals to the shifting block to determine the feeding sequence.
In the step (3), the method further comprises swing homogenization and grid blocking homogenization of the material in the feed pipe gallery.
The invention has the beneficial effects that:
the belt conveying in the tunnel is set with idle time and busy time, the belt conveying can be automatically judged through the infrared sensing device, an idle time energy-saving working mode is designed, the open sequence of a material pipe gallery can be timely and comprehensively arranged in the busy time, scientific and comprehensive arrangement is realized, and the variable frequency motor can be utilized to realize power reduction operation in the idle time;
the structural design of the folding waterproof shed maximally utilizes the conditions of the tunnel, realizes effective combination of protection equipment and self strength improvement, and is convenient to assemble and disassemble and flexible in form.
The technical improvement is provided for the pipe rack for conveying materials, and the blocking of the materials can be effectively prevented on the basis of energy conservation;
a waterproof shed is additionally arranged above the pipe gallery, a water depth sensing element is additionally arranged below the pipe gallery, and the on-off of the motor is remotely guided to correspond to sudden piping-like surge in the tunnel;
intermittent feeding and screening grids can effectively break and transport the solidified slag materials, reduce the local stress of equipment and prolong the service life of the equipment.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is a left side view of the structure of the present invention;
FIG. 5 is a schematic view of installation in a tunnel;
FIG. 6 is a top view of a transition plate of the present invention;
FIG. 7 is a schematic view of the mounting structure of the intermittent stepper mechanism of the present invention;
FIG. 8 is a schematic view of the installation of an intermittent stepper mechanism according to another embodiment of the present invention;
FIG. 9 is a perspective view of the intermittent stepper mechanism itself in the configuration of FIG. 8;
FIG. 10 is a schematic view of the structure of the elevator and lead screw of the present invention;
the names of the components in the figure are as follows: 1. a ballasting pipe gallery; 2. a feed pipe gallery; 3. a measuring column of an infrared induction mechanism is arranged; 4. a lifting frame; 5. a steering motor; 6. a shifting block; 7. a transition plate; 8. a grille guard; 9. anti-blanking guard bar; 10. a screw rod; 11. a water depth sensing element; 12. a slide block; 13. a gear; 14. an intermittent gear; 15. a belt conveyor; 16. a driving wheel; 17. a connecting rod; 18. a control housing; 19. a ratchet; 20. an overrunning clutch; 21. a tunnel; 22. a vertical rod; 23. a fixing frame of the belt conveyor; the part 23 is omitted.
Description of the embodiments
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1 to 6, a long-distance tunnel belt conveyor ballasting energy-saving regulation and control system and a regulation and control method are designed, the long-distance tunnel belt conveyor ballasting energy-saving regulation and control system comprises a Y-shaped ballasting transport chain, wherein a V-shaped head comprises two feeding pipe galleries 2 arranged in a main tunnel, an I-shaped head comprises one ballasting pipe gallery 1 arranged in a branch tunnel, the feeding pipe gallery 2 comprises at least two belt conveyors 15, the ballasting pipe galleries 1 comprises at least one belt conveyor 15, an infrared induction mechanism is arranged above each belt conveyor 15, and the infrared induction mechanism is communicated with a control circuit to drive the start, stop and turn of a power source of each belt conveyor 15; the connection point of the V-shaped head and the I-shaped head is an inflection point, a shifting block 6 driven by a steering motor 5 is further arranged at the inflection point, and the shifting block 6 forms a or switch between the feeding pipe gallery 2 and the ballasting pipe gallery 1; the transmission shaft on the belt conveyor 15 is in a reverse drum shape with thin middle and thick two ends; a grid guard bar 8 is arranged above the belt conveyor 15 adjacent to the inflection point, and the grid direction is perpendicular to the material flowing direction. In the working process, two ends of the branch hole and two directions of the main hole face the branch hole in sequence to discharge slag, the belt conveyor 15 plays a role in feeding, the shifting block 6 at the turning position of the inflection point material realizes overall material feeding, the rotation information of the shifting block 6 comes from the information instruction of the controller, and the information of the input end of the controller comes from the judgment of the information of each infrared sensor.
The bottom of the belt conveyor 15 is provided with a plurality of lifting frames 4 so as to form a feeding channel which is gradually lowered in the ballasting pipe gallery 1 and the feeding pipe gallery 2, the lifting frames 4 comprise bottom fixing blocks, screw rods 10 and top moving blocks, the top moving blocks are connected with a frame of the belt conveyor 15 and are installed in the screw rods 10 in a matched mode, the bottom fixing blocks are fixed on the ground, the screw rods 10 are fixedly connected, a water depth sensing original 11 is arranged on the screw rods 10, and the water depth sensing original 11 is connected with a control circuit in a communication mode. Because the working condition environment in the tunnel is poor, equipment is often damaged, and the design can realize flexible adjustment and flexible replacement of the equipment.
The frame of the belt conveyor 15 is also provided with a folding waterproof shed which comprises a Y-shaped bracket, wherein a vertical rod 22 is inserted in the frame of the belt conveyor 15, the top hinge is connected with two connecting rods 17, one of which is provided with waterproof shed cloth, and the other is propped against the lining surface of the tunnel. This structure of tunnel itself of reasonable in design utilization provides stable support for band conveyer 15, has avoided preventing the influence of infiltration to equipment in the tunnel simultaneously.
The bottom of the shifting block 6 is provided with a transition plate 7, the transition plate 7 is in a blade shape or a heart shape, and under the heart-shaped condition, the outer side edge of the transition plate 7 is provided with a blanking prevention guardrail 9. The stable turning of the materials can be realized.
At the inflection point of the Y-shaped ballasting conveying chain, the belt conveyor 15 is connected with an intermittent stepping mechanism in an empty sleeve manner so as to realize the gradual feeding of the belt conveyor 15 on the ballasting pipe gallery 1 in an idle state.
A motor is arranged on a belt conveyor 15 at the inflection point of a Y-shaped ballast discharging conveying chain, an output shaft of the motor is in hollow sleeve connection with a sliding block 12, a gear 13 is matched between the sliding block 12 and a main shaft of a driving wheel, a shifting fork is arranged at the bottom of the sliding block 12, a sequential driving wheel and an intermittent driving wheel are arranged on the sliding block 12, and the circumferential radian of a tooth shape of the intermittent driving wheel is 1/4. The design aims at realizing the centralized collection of materials through intermittent motion when the materials are in a leisure state, and realizing the leisure transportation of the materials in a low-power state after the materials are transferred into the ballasting pipe gallery 1 of the branch hole.
The embodiment also relates to a ballasting energy-saving regulation method of the long-distance tunnel belt conveyor, which uses the ballasting energy-saving regulation system of the long-distance tunnel belt conveyor, and comprises the following steps:
(1) And (2) mounting: sequentially installing Y-shaped ballast discharging transport chains according to the upstream and downstream sequences of discharging, wherein the folding waterproof shed at the main hole end is ensured to play roles in preventing water seepage and supporting at the same time;
feeding, arranging an infrared induction column every 2 meters along the ballasting conveying chain in the step (1), arranging 2-4 infrared induction elements on the infrared induction column along the vertical direction to sense the stacking height of materials, when materials exist in the ranges of three continuous top infrared induction elements, judging that the belt conveyor 15 in the supporting hole works under full power, and when the belt conveyor 15 in the supporting hole is idle under other conditions, reducing the power of the belt conveyor 15 in the supporting hole;
(3 adjusting: the controller receives the material information of the two feeding tube lanes 2 and outputs signals to the shifting block 6 to determine the feeding sequence.
In the step (3), the material of the feed pipe gallery 2 is subjected to swing homogenization and grid blocking homogenization. Preventing local pressure from becoming excessive.
Example 2
The working principle of the embodiment is the same as that of embodiment 1, and the specific difference is that: the belt conveyer 15 at the inflection point of the Y-shaped ballast discharging conveying chain is connected with a swinging mechanism which drives the input shaft to rotate reciprocally, the swinging mechanism comprises a four-bar linkage 17 mechanism with a power source, a rocker is formed between a sliding point and an axle center of the swinging mechanism, which are nested, on a driving wheel 16 of the swinging mechanism, one end of the rocker is connected with the power source in a matched way, two ends of the connecting bar 17 are respectively connected with the rocker and the swinging bar, an overrun clutch 20 is connected in the control shell 18, the overrun clutch 20 transmits power to the input shaft only through an intermittent transmission element, and the swinging bar is formed at the position from the axle center of the control shell 18 to the connecting point with the connecting bar 17.
In the embodiment, the intermittent transmission original piece is a ratchet 19 connected, and in specific work, as the adjusting cover is sleeved on the bearing cover and can rotate, the method of adjusting the position of the ratchet cover is adopted, and the part of the travel ratchet 19 slides along the surface of the ratchet cover by changing the position of the ratchet cover, so that the purpose of adjusting the rotation angle of the ratchet is realized.
Meanwhile, under the condition that the input rotation speed of the input end is unchanged, the working state of the overrunning clutch 20 is that the rotation speed of the main shaft is constant A, and the rotation speed of the ratchet wheel in the reverse state is constant B when the ratchet wheel 19 drives the ratchet wheel to move, the differential speed C=A-B between the forward rotation and the reverse rotation of the output shaft of the whole working mechanism can be realized through adjusting B, and the differential speed C=A-B can be adjusted. The belt type ballast cleaning device has a simple structure, and the idea that only double ratchet wheels or the gear 13 or other parts can be added in the past is overcome, so that the homogenization and the fragmentation of materials on the belt are realized in the process of shaking away, and the effective completion of the whole system ballast cleaning is facilitated.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. .
Claims (7)
1. A long-distance tunnel belt conveyor ballasting energy-saving regulation and control system is characterized in that: the system comprises a Y-shaped ballasting conveying chain, wherein a V-shaped head comprises two feeding pipe galleries (2) arranged in a main tunnel, an I-shaped head comprises one ballasting pipe gallery (1) arranged in a branch tunnel, the feeding pipe gallery (2) comprises at least two belt conveyors (15), the ballasting pipe gallery (1) comprises at least one belt conveyor (15), infrared sensing mechanisms are arranged above the belt conveyors (15), and the infrared sensing mechanisms are communicated with a control circuit to drive the start, stop and turn of a power source of the belt conveyors (15);
the connection point of the V-shaped head and the I-shaped head is an inflection point, a shifting block (6) driven by a steering motor (5) is further arranged at the inflection point, and the shifting block (6) forms a switch or a switch between the feeding pipe gallery (2) and the ballasting pipe gallery (1);
the transmission shaft on the belt conveyor (15) is in a reverse drum shape with a thin middle and two thick ends;
a grid guard bar (8) is arranged above the belt conveyor (15) adjacent to the inflection point, and the grid direction is perpendicular to the material flowing direction;
the belt conveyor (15) is connected with an intermittent stepping mechanism in an empty sleeve mode at the inflection point of the Y-shaped ballasting conveying chain, so that the belt conveyor (15) on the ballasting pipe gallery (1) is fed one by one in a idle state, a motor is mounted on the belt conveyor (15) at the inflection point of the Y-shaped ballasting conveying chain, an output shaft of the motor is connected with a sliding block (12) in an empty sleeve mode, a gear (13) is matched between the sliding block (12) and a main shaft of a driving wheel, a shifting fork is arranged at the bottom of the sliding block (12), a sequential driving wheel and an intermittent driving wheel are arranged on the sliding block (12), and the tooth shape of the intermittent driving wheel occupies 1/4 of the circumference radian.
2. The energy-saving control system for ballasting of long-distance tunnel belt conveyor as claimed in claim 1, wherein: the utility model provides a belt conveyor (15) bottom is equipped with a plurality of crane (4), so as to form play ballast pipe corridor (1) with the pay-off passageway that reduces step by step in pay-off pipe corridor (2), crane (4) are including bottom fixed block, lead screw (10) and top movable block, top movable block is connected with the frame of belt conveyor (15), and the cooperation is installed simultaneously in lead screw (10), the bottom fixed block is fixed subaerial, and fixed connection simultaneously lead screw (10), be equipped with deep water response original paper (11) on lead screw (10), deep water response original paper (11) with control circuit communication connection.
3. The energy-saving control system for ballasting of long-distance tunnel belt conveyor as claimed in claim 2, wherein: the folding waterproof shed is characterized in that a folding waterproof shed is further arranged on a frame of the belt conveyor (15), the folding waterproof shed comprises a Y-shaped support, the vertical rod (22) is inserted into the frame of the belt conveyor (15), the top hinge is connected with two connecting rods (17), waterproof shed cloth is arranged on one connecting rod, and the other connecting rod is abutted to the lining surface of the tunnel.
4. The energy-saving control system for ballasting of long-distance tunnel belt conveyor as claimed in claim 3, characterized in that: the bottom of the shifting block (6) is provided with a transition plate (7), the transition plate (7) is of a blade shape or a heart shape, and under the heart-shaped condition, the outer side edge of the transition plate (7) is provided with a blanking prevention guardrail (9).
5. The energy-saving control system for ballasting of long-distance tunnel belt conveyor as claimed in claim 4, wherein: the belt conveyor is characterized in that a swinging mechanism driving the input shaft to rotate reciprocally is connected to the corresponding input shaft of a belt conveyor (15) at the inflection point of the Y-shaped ballast discharging conveying chain, the swinging mechanism comprises a four-bar linkage (17) mechanism with a power source, a rocker is formed between a sliding point and an axle center of the swinging mechanism, which are installed in a nested mode, one end of the rocker is connected with the power source in a matched mode, two ends of the connecting bar (17) are respectively connected with the rocker and the rocker, an overrunning clutch (20) is connected with the inside of a control shell (18), the overrunning clutch (20) transmits power to the input shaft only through intermittent transmission, and the rocker is formed from the axle center of the control shell (18) to a connecting point with the connecting bar (17).
6. The energy-saving control method for long-distance tunnel belt conveyor ballasting, which uses the long-distance tunnel belt conveyor ballasting energy-saving control system as claimed in claim 1, is characterized in that: the method comprises the following steps:
(1) And (2) mounting: sequentially installing Y-shaped ballast discharging transport chains according to the upstream and downstream sequences of discharging, wherein the folding waterproof shed at the main hole end is ensured to play roles in preventing water seepage and supporting at the same time;
(2) Arranging an infrared induction column every 2 meters along the ballasting transport chain in the step (1), wherein 2-4 infrared induction elements are arranged on the infrared induction column along the vertical direction to induce the stacking height of materials, when materials exist in the range of three continuous top infrared induction elements, the belt conveyor (15) in the supporting hole works under full power when the materials exist in the range of the continuous top infrared induction elements, and the belt conveyor (15) in the supporting hole works under reduced power when the materials are idle under other conditions;
(3) And (3) adjusting: the controller receives the material information of the two feeding pipe lanes (2) and outputs signals to the shifting block (6) to determine the feeding sequence.
7. The energy-saving control method for ballasting of long-distance tunnel belt conveyor as claimed in claim 6, characterized in that: in the step (3), the method further comprises swing homogenization and grid blocking homogenization of the material of the feeding pipe gallery (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111625231.8A CN114194721B (en) | 2021-12-28 | 2021-12-28 | Energy-saving regulation and control system and regulation and control method for long-distance tunnel belt conveyor ballasting |
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| CN202111625231.8A CN114194721B (en) | 2021-12-28 | 2021-12-28 | Energy-saving regulation and control system and regulation and control method for long-distance tunnel belt conveyor ballasting |
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| CN114194721A CN114194721A (en) | 2022-03-18 |
| CN114194721B true CN114194721B (en) | 2023-07-25 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173373A (en) * | 1977-08-25 | 1979-11-06 | Peabody Coal Company, Inc. | Advance method and apparatus for mining |
| CN107539750A (en) * | 2017-08-15 | 2018-01-05 | 贵州省动能煤炭技术发展服务有限公司 | Ribbon conveyer energy-saving control device |
| CN108861424A (en) * | 2018-05-28 | 2018-11-23 | 榆林学院 | A kind of safety monitoring system for sealing-tape machine |
| CN210312365U (en) * | 2019-07-12 | 2020-04-14 | 芜湖同泰物流产业技术研究院有限公司 | Logistics object collecting device |
| CN211116004U (en) * | 2019-12-17 | 2020-07-28 | 中铁十八局集团有限公司 | Two shield TBM combination belt feeder systems of slagging tap |
| CN212075545U (en) * | 2019-12-24 | 2020-12-04 | 中煤科工集团上海有限公司 | Ground cloth conveying system for TBM rear-matching continuous conveying system |
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