CN214725390U - Tunnel secondary lining crushing and dismantling equipment based on microwave technology - Google Patents
Tunnel secondary lining crushing and dismantling equipment based on microwave technology Download PDFInfo
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- CN214725390U CN214725390U CN202120389642.0U CN202120389642U CN214725390U CN 214725390 U CN214725390 U CN 214725390U CN 202120389642 U CN202120389642 U CN 202120389642U CN 214725390 U CN214725390 U CN 214725390U
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Abstract
The utility model discloses a tunnel secondary lining crushing demolition equipment based on microwave technology, which comprises a truck carriage, a cab, a cutting system, a microwave irradiation system, a spraying and chiseling system, a power system and a central control system, wherein the cutting system, the microwave irradiation system, the spraying and chiseling system, the power system and the central control system are arranged on the truck carriage; the cutting system cuts the tunnel to be dismantled into small lining blocks through the laser position sensor, the chain saw cutter head and the saw blade; the microwave irradiation system irradiates the small building block through the frame-type microwave generator and the waveguide tube, so that the irradiated block is cracked and weakened in strength; and spraying and hammering the block irradiated by the microwave by using a spraying and chiseling system so that the block falls. The microwave irradiation system, the cutting system and the spraying and chiseling system are integrated, and the novel tunnel secondary lining crushing and dismantling technology is green, safe and efficient.
Description
Technical Field
The utility model relates to a tunnel construction technique and field especially relate to a broken equipment of demolising of tunnel secondary lining based on microwave technology.
Background
With the continuous development of various traffic facilities such as roads, railways and the like in China, the number of tunnel construction is increasing day by day, and China becomes a big country with the most tunnels, the most complex tunnels and the fastest development in the world. But as more and more tunnels enter the operation maintenance period, the tunnel facilities are cracked to different degrees due to various external factors such as water seepage, earthquake, low temperature, chemical corrosion and the like. Which is an important cause of threatening the durability of the tunnel facility.
Therefore, crushing and dismantling the lining of the existing tunnel and constructing the lining again are effective measures for prolonging the service life of the tunnel. At present, the removal of tunnel lining lacks a mature theoretical system, a perfect technical scheme and practical professional equipment. The primary support of the tunnel is easily affected, and various consequences such as tunnel collapse and structural instability can be caused.
At present, the demolition methods applied to the secondary lining of the tunnel mainly include blasting methods, mechanical demolition, manual cooperation with mechanical air pick demolition and the like. The blasting demolition technology is high in content, and surrounding rocks and primary supports are easy to loosen or deform. When the charging amount is too large, the blasting stress wave can generate great influence on the original primary support, surrounding rocks and the like, and even the surrounding rocks are blasted; when the loading is too small, the secondary lining is difficult to blast and collapse, so that the demolition workload is increased, and the construction period is delayed; the mechanical breaking method has slow construction speed, long construction period, high cost and low breaking efficiency. The breaking effect is general, the loss of a mechanical cutter head is large, the cutter needs to be replaced frequently, and the cost is higher; the manual chiseling method is the most original and dangerous method in secondary lining removal, and the method has the advantages of long construction period, high construction intensity, and high labor intensity and danger coefficient of workers. The construction speed is very slow, the construction period is delayed, the cost is very high, and the removal efficiency is low.
Therefore, the microwave technology-based tunnel secondary lining crushing and dismantling equipment is manufactured, the defects caused by the prior technical scheme and equipment can be well overcome, the microwave technology-based tunnel secondary lining crushing and dismantling equipment has strong progress significance for tunnel dismantling of the secondary lining, and also has good research value and industrial application potential.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned defect that exists among the prior art, the utility model aims to provide a broken equipment of demolising of tunnel secondary lining based on microwave technique. Through the auxiliary demolition of the microwave technology, the actions of cutting, strength weakening, chiseling and the like in the secondary lining demolition work of the tunnel can be simultaneously realized, the damage to surrounding rocks and primary supports can be reduced, the efficiency of the secondary lining demolition work of the tunnel can be improved, and the secondary lining demolition method has the characteristics of high operation efficiency, good demolition effect and the like.
In order to achieve the above object, the utility model provides a following technical scheme:
a tunnel secondary lining crushing and dismantling device based on microwave technology comprises a truck carriage, a cab, a cutting system, a microwave irradiation system, a spraying and chiseling system, a power system and a central control system, wherein the cutting system, the microwave irradiation system, the spraying and chiseling system, the power system and the central control system are arranged on the truck carriage;
the cutting system, the microwave irradiation system and the spraying and chiseling system are sequentially arranged from front to back on the truck compartment and are connected with the power system and the central control system; the cutting system is connected with the laser position sensor, the cutting head and the cutter through the mechanical arm; the microwave irradiation system is connected with the frame-type microwave generator and the waveguide tube through a mechanical arm; the spraying and chiseling system is connected with the spraying system and the hammer pick system through a mechanical arm;
the cutting system, the microwave irradiation system and the spraying and chiseling system are controlled by the central control system to realize the crushing and dismantling of the tunnel secondary lining;
the cutting system, the microwave irradiation system and the spraying and chiseling system are controlled by the central control system, so that microwave irradiation, spraying, crushing and dismantling of the tunnel secondary lining are realized.
Preferably, the cutting system is provided with a laser position sensor, a cutting head and a cutter which are connected through a first mechanical arm hinged to a truck carriage, the front end part of the first mechanical arm is connected with the cutting head, the cutter is arranged on the cutting head, and the laser position sensor is arranged in the middle of the cutting head. The cutting engine and the first mechanical arm are connected with a power system.
Preferably, the cutting head is a chain saw cutter head or a cement cutting machine which are connected through a cutting engine, and the cutting head is oxygen welding; the cutter is a saw blade or a water knife.
Preferably, the microwave irradiation system comprises a frame-type microwave generator arranged on the second mechanical arm, a microwave irradiation cavity is formed in a frame surrounded by the frame-type microwave generator, and a cavity protection device and a waveguide tube are arranged on the microwave generator; the cavity protection device is provided with a microwave feed inlet. The microwave generator is connected with the central control system and the power system.
Preferably, the spraying system is hinged to a third mechanical arm on the truck compartment and comprises a spray head provided with a pressurizing device, the pressurizing device is communicated with a water tank arranged on the truck compartment, and the pressurizing device and the spray head are communicated through a water pump and a water conveying pipe.
Preferably, the hammer-pick system comprises a hammer-pick engine and a hammer-pick drill bit which are fixed on a third mechanical arm on the truck carriage, and a hydraulic breaking hammer or hydraulic tongs, wherein the hammer-pick engine is connected with the power system, and the hydraulic breaking hammer or hydraulic tongs are connected with the hydraulic system.
Preferably, the truck bed is replaced with a tracked trolley.
Preferably, the power system adopts a gasoline generator, a diesel generator or a battery jar.
Preferably, the central control system is additionally provided with a PLC microcomputer system, a Bluetooth or infrared transmission mobile remote controller is arranged outside the central control system, or a control panel is arranged in a cab.
The utility model discloses owing to take above technical scheme, it has following beneficial effect:
the utility model discloses equipment is demolishd in tunnel secondary lining breakage based on microwave technology, the cutting system through equipment will be with two lining structures cutting into little block after, utilize the microwave to shine the energy that produces little lining block for the temperature of block risees, and intensity degradation produces the crackle, assists the effect with the hammer pick machine again, makes the further degradation of block, reaches the purpose of demolising secondary lining. The whole operation process saves energy, is simple, convenient and efficient, is easy to operate, greatly improves the existing secondary lining demolition process, and improves demolition efficiency and demolition quality. After cutting, the tunnel secondary lining masonry is irradiated in a relatively closed manner, so that the irradiation quality is improved, the microwave leakage is reduced to the greatest extent, and the damage to a human body and other mechanical parts is reduced.
Preferably, the utility model discloses in with microwave breaker, cavity protector, with carrier vehicle integration, reduced labour and operating time, improved work efficiency, realized breaking tunnel secondary lining's automation, intellectuality to the microwave.
Preferably, the utility model discloses can be according to tunnel secondary lining's actual mix proportion, through central control system 15's calculation and processing, can set up optimal irradiation time and irradiation power, realize the broken optimization of secondary lining.
Further, the utility model discloses can demolish the time limit of the size and whole work duty cycle of work that becomes "well" font block according to tunnel secondary lining to this improves tunnel secondary lining and demolishs the work efficiency of work.
Further, the utility model provides an annular sprinkler bead equipment, secondary pollution such as noise, dust in the effectual construction that has reduced.
The utility model discloses microwave irradiation system, cutting system and spray and chisel and remove the integration of system, for a green, safe, high-efficient broken novel tunnel secondary lining breakage demolishs the technique, have very big economic benefits and practical value.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:
fig. 1 is a schematic view of the overall structure of a tunnel secondary lining crushing and demolishing apparatus based on microwave technology in the present invention;
FIG. 2 is a schematic structural view of a middle cutting system according to the present invention;
FIG. 3 is a schematic structural diagram of a microwave irradiation system according to the present invention;
FIG. 4 is a schematic view of the spraying and chiseling system of the present invention;
FIG. 5 is a process flow diagram of the present invention;
reference numbers in the figures: 1-laser position sensor, 2-chain saw blade disc, 3-saw blade, 4-chain saw engine, 5-first mechanical arm, 6-first bearing, 7-cavity protection device, 8-waveguide tube, 9-microwave feed inlet, 10-microwave irradiation cavity, 11-microwave generator, 12-second bearing, 13-second mechanical arm, 14-microwave leakage prevention device, 15-central control system, 16-power system, 17-water pipe, 18-spray head, 19-pressurizing device, 20-hammer pick drill bit, 21-hammer pick engine, 22-third bearing, 23-third mechanical arm, 24-water tank, 25-water pump, 26-hydraulic jack, 27-wheel, 28-truck, 29-cab.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
As shown in fig. 1, the utility model discloses a broken equipment of demolising of tunnel secondary lining based on microwave technique, including truck carriage 28, driver's cabin 29 and wheel 27, be equipped with cutting system, microwave irradiation system, spray and chisel system, driving system 16 and central control system 15 from the past to the back on the truck carriage 28 in proper order, and be provided with water tank 24, driving system 16 and central control system 15 on this equipment. The cutting system, the microwave irradiation system, the spraying and chiseling system and the like are installed on the surface of the truck compartment, and the water tank 24, the power system 16, the central control system 15 and the like are installed inside the truck.
Referring to fig. 1 and 2, the cutting system includes a laser position sensor 1, a chainsaw blade disc 2, a saw blade 3, a chainsaw engine 4 and a first robot arm 5, the first robot arm 5 is connected through a first bearing 6, the front end of the first robot arm 5 is connected to the chainsaw blade disc 2 through the chainsaw engine 4, the saw blade 3 is mounted on the chainsaw blade disc 2, and the laser position sensor 1 is mounted in the middle of the chainsaw blade disc 2.
The whole chain saw is arranged on the first mechanical arm 5, the first mechanical arm 5 can complete the telescopic equal-position moving work through the rotation of the first bearing 6, the chain saw is moved to the position of the second tunnel lining, and the second tunnel lining is cut. The mechanical arm is arranged on a truck carriage 28, and the power of the chain saw and the first mechanical arm 5 is supplied by a power system 16 to drive the chain 2 to run at high speed so as to cut the tunnel secondary lining; the laser position sensor can be arranged in advance according to the thickness data of the actual secondary lining of the tunnel, so that the cutting depth of the chain saw cutter head can be measured in real time in the cutting process and fed back to the data processing system, the cutting depth of the chain saw is controlled, and the damage of primary support caused by over-deep cutting is prevented.
The microwave irradiation system comprises a frame-shaped microwave generator 11 arranged on a second mechanical arm 13, a microwave irradiation cavity 10 is formed in the enclosing frame of the microwave generator 11, and a microwave leakage-proof device 14 is hinged to the end part of the enclosing frame of the microwave generator 11; the microwave generator 11 is provided with a cavity protection device 7 and a waveguide tube 8; microwave energy is generated in a microwave generator 11 and transmitted through a waveguide tube 8 to enter a microwave irradiation cavity 10 from a microwave feed port 9, and microwave irradiation work is carried out on the small blocks of the secondary lining in a shape like a Chinese character 'jing', so that the strength of the secondary lining is weakened, cracks are initiated, expanded and communicated, and the purpose of easy dismantling is achieved.
As shown in fig. 3, a cavity guard 7 is installed at a side wall of the microwave irradiation cavity 10 to prevent leakage of microwaves. The microwave protection device can be adjusted to the optimal protection state through rotation according to the actual situation on site. The second mechanical arm 13 can complete the position moving work such as stretching and retracting through the rotation of the second bearing 12, move the microwave irradiation cavity 10 to the position of the second lining of the tunnel cut by the cutting system, and perform the microwave irradiation work on the secondary lining masonry cut by the cutting system. The operation and stop of the microwave irradiation system are controlled by a central control system 15, and the power system 16 supplies power.
As shown in fig. 4, the spraying and chiseling system includes a spraying system and a hammer-pick system, wherein the spraying system is hinged on the third mechanical arm 23 and includes a nozzle 18 provided with a pressurizing device 19, water in a water tank 24 is pumped into the water pipe 17 by a water pump 25, and the water is pressurized by the pressurizing device 19 to be sprayed out from the nozzle 18.
The hammer-pick system is fixed on the third mechanical arm 23 and comprises a hammer-pick machine drill bit 20 mounted on a hammer-pick machine engine 21, and the hammer-pick machine engine 21 is powered by the power system 16 to enable the hammer-pick machine to work, so that the hammer-pick machine can effectively crush the secondary lining masonry irradiated by the microwave irradiation system. The third mechanical arm 23 can complete the functions of stretching and moving through the rotation of the third bearing 22, the spraying and chiseling system is moved to the position of the secondary lining of the tunnel irradiated by the microwave irradiation system, the secondary lining masonry is sprayed with water to be cooled and crushed, and meanwhile, the hammer and pickaxe machine is reused to crush the secondary lining masonry, so that the lining body drops, and the recovery work is further realized. The power of the hammer-pick machine and the spraying system is supplied by a power system 16, and the opening and closing of the power supply are controlled by a central control system 15.
The truck bed is equipped with components such as a water tank 24, a power system 16, and a central control system 15. A water tank 24 is arranged inside the truck for storage of water, and a water pump 25 is arranged inside the water tank 24 for pumping water from the water tank 24 into the water duct 17. Hydraulic jacks 26 are also mounted on the lower front and rear sides of the truck bed and on both sides of the wheels 27 to enhance the stability of the apparatus in actual operation. The power system 16 is used for power supply of the whole equipment and is installed inside a truck, and after the power system 16 generates electric energy by the gasoline generator, the electric energy is transmitted to electric equipment such as a mechanical arm, a microwave generator and a hammer-pick machine through cables. The central control system 15 is a comprehensive intelligent control device of the whole device, and can control the lifting of the mechanical arm 13, the switching of the spraying system, the irradiation time of the microwave irradiation system, the work of the irradiation power hammer-pick machine, the expansion of the hydraulic jack and other operations.
In a preferred embodiment, the truck bed 28 as a mobile system is replaced with a track-type trolley depending on the actual conditions at the site. The gasoline generator as the power supply system 16 may be replaced with a diesel generator or a battery. The central control system 15 can add a PLC microcomputer system, intelligently control the whole system, and can be externally provided with a Bluetooth or infrared transmission mobile remote controller or be provided with an operation panel in a cab so as to more conveniently control the whole equipment. The central control system 15 is provided with an electronic display screen which can display various parameter information of the whole equipment in real time.
As a preferred embodiment, the tool on the chainsaw cutter head as cutting system can be adapted according to the actual project as a water knife, rotary cutter disc cement cutter or oxygen welding. The cutting system is used for cutting the secondary lining of the tunnel and is not limited to a certain cutting mode. The hammer-pick machine of the chiseling system can be replaced by a hydraulic breaking hammer or hydraulic pliers.
As a preferred embodiment, the microwave generator employs 2.45GHz industrial microwave frequency; aiming at different material parameters such as concrete models and grading of the tunnel secondary lining masonry, the microwave power can be switched by adjusting the microwave power source of the microwave generating device through the central control system, so that the rapid and efficient crushing under low energy consumption is realized, and the economic and environmental benefits are improved.
As a preferred embodiment, the microwave irradiation cavity 10 of the microwave irradiation system can change the size of the cavity according to the actual engineering requirements, and each component of the cutting system, the microwave irradiation system and the spraying and chiseling system can be detached, thereby facilitating the maintenance work.
As preferred embodiment, the utility model discloses can demolish the time limit of size and whole work duty cycle of work's that the work was demolishd to tunnel secondary lining according to the condition of time limit or the on-the-spot engineering actual need that tunnel secondary lining demolishs work to this improves the work efficiency that tunnel secondary lining demolishs work.
The utility model discloses the rationale does: the cutting system, the microwave irradiation system and the spraying and chiseling system are powered and controlled by the power system 16 and the central control system 15, firstly, the tunnel to be dismantled is cut into small blocks shaped like a Chinese character 'jing', and then the microwave irradiation system is used for irradiating, so that the irradiated lining block body generates cracks, the cracks are gradually expanded and communicated, and the strength of the blocks is gradually weakened; and then the hammer pick is used for removing the block by a spraying and chiseling system, so that the block falls off and the two liners to be removed are recovered. The whole dismantling process is circulated, so that the cutting, irradiation and crushing processes are integrated, and the pile head crushing technology is safe, controllable, green and efficient.
As shown in fig. 5, the process of demolishing the tunnel secondary lining by using the utility model is as follows:
and S101, assembling the cutting system, the microwave irradiation system, the spraying and chiseling system and the corresponding auxiliary systems with the truck carriage.
S102, setting the thickness of the secondary lining to be cut, and controlling a chain saw of a cutting system to cut the secondary lining to be dismantled into small blocks shaped like a Chinese character 'jing'. The section size of the block body is slightly smaller than the size of the microwave irradiation cavity.
S103, setting corresponding irradiation time and irradiation power according to the strength grade and the gradation of the concrete of the secondary lining, and performing microwave irradiation on the cut small blocks shaped like the Chinese character 'jing'.
And S104, operating the spraying system to spray high-pressure water to the small blocks in the shape of the Chinese character jing, and further weakening and crushing the strength of the two liners through quenching and water pressure.
S105: and operating a hammer-pick machine of the chiseling system to perform impact chiseling on the irradiated small blocks in the shape of the Chinese character 'jing', so that the secondary lining falls.
S106: and repeating the steps from S102 to S105, and breaking the secondary lining of the whole tunnel.
S107: the discarded secondary lining body is carried away from the tunnel by means of a loader, a truck, a belt or the like.
Therefore, the microwave irradiation, spraying, crushing and dismantling of the tunnel secondary lining are realized.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (9)
1. A tunnel secondary lining crushing and dismantling device based on microwave technology is characterized by comprising a truck carriage, a cab, a cutting system, a microwave irradiation system, a spraying and chiseling system, a power system and a central control system, wherein the cutting system, the microwave irradiation system, the spraying and chiseling system, the power system and the central control system are arranged on the truck carriage;
the cutting system, the microwave irradiation system and the spraying and chiseling system are sequentially arranged from front to back on the truck compartment and are connected with the power system and the central control system; the cutting system is connected with the laser position sensor, the cutting head and the cutter through the mechanical arm; the microwave irradiation system is connected with the frame-type microwave generator and the waveguide tube through a mechanical arm; the spraying and chiseling system is connected with the spraying system and the hammer pick system through a mechanical arm;
the cutting system, the microwave irradiation system and the spraying and chiseling system are controlled by the central control system, so that microwave irradiation, spraying, crushing and dismantling of the tunnel secondary lining are realized.
2. The microwave-based tunnel secondary lining crushing and dismantling device as claimed in claim 1, wherein the cutting system is composed of a laser position sensor, a cutting head and a cutter, the laser position sensor, the cutting head and the cutter are connected through a first mechanical arm hinged to a truck carriage, the front end of the first mechanical arm is connected with the cutting head, the cutter is installed on the cutting head, and the laser position sensor is installed in the middle of the cutting head.
3. The microwave-technology-based tunnel secondary lining crushing and demolishing equipment as claimed in claim 2, wherein the cutting head is a chain saw cutter head or a cement cutter connected by a cutting engine, or is oxygen welding; the cutter is a saw blade or a water knife.
4. The microwave-technology-based tunnel secondary lining crushing and dismantling device of claim 1 wherein the microwave irradiation system comprises a frame-type microwave generator mounted on the second mechanical arm, the frame-type microwave generator forms a microwave irradiation cavity in a surrounding frame, and the microwave generator is provided with a cavity protection device and a waveguide; the cavity protection device is provided with a microwave feed inlet.
5. The microwave-based tunnel secondary lining crushing and dismantling device as claimed in claim 1, wherein said spraying system is hinged to a third mechanical arm on the truck bed, and comprises a nozzle equipped with a pressurizing device, the pressurizing device is communicated with a water tank on the truck bed, and the pressurizing device and the nozzle are communicated through a water pump and a water pipe.
6. The microwave-technology-based tunnel secondary lining crushing and demolishing equipment according to claim 1, wherein the hammer-pick system comprises a hammer-pick engine and a hammer-pick drill bit fixed on a third mechanical arm on the truck carriage, and a hydraulic crushing hammer or a hydraulic tong, wherein the hammer-pick engine is connected with the power system, and the hydraulic crushing hammer or the hydraulic tong is connected with the hydraulic system.
7. The microwave-based tunnel secondary lining demolition equipment as claimed in claim 1, wherein the truck bed is replaced with a crawler-type trolley.
8. The microwave-based tunnel secondary lining crushing and demolishing equipment as claimed in claim 1, wherein the power system employs a gasoline generator, a diesel generator or a battery.
9. The microwave-based tunnel secondary lining crushing and dismantling device of claim 1 wherein the central control system is added with a PLC microcomputer system, externally equipped with a bluetooth or infrared transmission mobile remote controller, or provided with a control panel in the cab.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120389642.0U CN214725390U (en) | 2021-02-22 | 2021-02-22 | Tunnel secondary lining crushing and dismantling equipment based on microwave technology |
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| CN202120389642.0U CN214725390U (en) | 2021-02-22 | 2021-02-22 | Tunnel secondary lining crushing and dismantling equipment based on microwave technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793016A (en) * | 2021-02-22 | 2021-05-14 | 西安建筑科技大学 | Tunnel secondary lining crushing and dismantling equipment and method based on microwave technology |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793016A (en) * | 2021-02-22 | 2021-05-14 | 西安建筑科技大学 | Tunnel secondary lining crushing and dismantling equipment and method based on microwave technology |
| CN112793016B (en) * | 2021-02-22 | 2024-07-02 | 西安建筑科技大学 | Tunnel secondary lining crushing and dismantling device and method based on microwave technology |
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