CN110821523B - Two linings of scalable cantilever type spray curing means - Google Patents
Two linings of scalable cantilever type spray curing means Download PDFInfo
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- CN110821523B CN110821523B CN201911173011.9A CN201911173011A CN110821523B CN 110821523 B CN110821523 B CN 110821523B CN 201911173011 A CN201911173011 A CN 201911173011A CN 110821523 B CN110821523 B CN 110821523B
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- pipe
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
Abstract
The invention particularly relates to a telescopic cantilever type two-lining spraying maintenance device, which solves the problems of poor operability and poor maintenance effect in tunnel two-lining maintenance and influences the maintenance operation quality. A telescopic cantilever type two-lining spraying maintenance device is characterized in that a rolling bearing is arranged at the upper end of a supporting rack, a rotating rod penetrates through the rolling bearing, a steel protection pipe and a counterweight bin are sleeved on the rotating rod, the spraying device comprises a water pipe, a multi-directional flow divider is arranged at the top of the water pipe, a water inlet pipe of the multi-directional flow divider is connected with the inner water pipe, a water outlet pipe is connected with an alloy water pipe, a spray head is arranged at the top end of the alloy water pipe, and connecting rods are arranged between adjacent alloy water pipes; the hydraulic device comprises two hydraulic pipes and a hydraulic pump. The invention has convenient and simple operation, firm and reliable structure and good safety performance, can be operated by only two or three persons, and effectively improves the efficiency and the quality of spraying operation.
Description
Technical Field
The invention relates to a maintenance device for tunnel construction, in particular to a telescopic cantilever type two-lining spraying maintenance device.
Background
A tunnel is an indispensable structure in traffic construction. With the wide spectrum of tunnel construction, people put higher demands on the tunnel construction quality. The effective implementation of the secondary lining maintenance is an important measure for ensuring the quality and the service life of the tunnel lining.
However, practice shows that the following problems exist when the manual spraying mode is adopted for secondary lining maintenance: firstly, the operability is poor, and the specific expression is that the height which can be reached by spraying is limited, the danger coefficient of high-altitude operation is high, the strength is high, the efficiency is low, and time and labor are consumed when a plurality of persons are required for operation; secondly, the spraying operation quality is uneven and the maintenance effect is poor by adopting a simple water brushing or water gun direct spraying mode, and the spraying maintenance operation quality cannot be guaranteed.
Disclosure of Invention
The invention provides a telescopic cantilever type two-lining spraying maintenance device, which aims to solve the problems of poor operability and poor maintenance effect when a manual spraying mode is adopted in tunnel two-lining maintenance to influence the maintenance operation quality.
The invention is realized by adopting the following technical scheme:
a telescopic cantilever type two-lining spraying maintenance device comprises a bearing automobile, a spraying device and a hydraulic device;
the automobile comprises a frame for bearing an automobile, a water storage tank and an operating platform positioned on the left side of the water storage tank, wherein a supporting rack is fixed at the left end of the operating platform, a rolling bearing is arranged at the upper end of the supporting rack, a rotating rod penetrates through the rolling bearing, the rolling bearing is positioned in the middle of the rotating rod, a steel protective pipe which is vertically arranged above the rotating rod is fixed at the left end of the rotating rod, the steel protective pipe comprises an inner protective pipe and an outer protective pipe which are vertically distributed and relatively slide, and the top end of the inner protective pipe is of a closed structure; a counterweight cabin positioned below the rotating rod is fixed at the right end part of the rotating rod;
the spraying device comprises a water pipe arranged in the steel protection pipe, the water pipe comprises an inner water pipe and an outer water pipe which are distributed up and down and are mutually sleeved, and the outer water pipe is fixed with the outer protection pipe; the upper end of the inner water pipe penetrates through the top end face of the inner protection pipe and is fixed with the top end of the inner protection pipe;
the top of the inner water pipe is provided with a multidirectional flow divider, the multidirectional flow divider comprises water inlet pipes, the upper end parts of the water inlet pipes are provided with a plurality of water outlet pipes which are communicated with the water inlet pipes and are distributed in an inclined upward radial direction, the inner walls of the lower end parts of the water inlet pipes are in threaded connection with the outer walls of the top end parts of the inner water pipes, the top parts of the water inlet pipes are in threaded connection with alloy water pipes, the top end parts of the alloy water pipes are provided with spray heads, and; two ends of the connecting rod are provided with U-shaped clamps clamped with the corresponding alloy water pipes;
the hydraulic device comprises two hydraulic pipes arranged in the steel protection pipe and a hydraulic pump which is positioned below the outer side of the left side wall of the water storage tank and communicated with the hydraulic pipes; each hydraulic pipe comprises an inner hydraulic pipe and an outer hydraulic pipe which are vertically distributed and are mutually sleeved, the outer hydraulic pipes are fixed with the outer protective pipes, and the top end surfaces of the two inner hydraulic pipes are hermetically fixed at the top ends of the inner protective pipes;
a water pump communicated with the water pipe and the water storage tank is arranged below the inner part of the water storage tank.
When the hydraulic extension device works, the hydraulic pump is started firstly, hydraulic oil enters the hydraulic pipe under the action of the hydraulic pump, and the inner hydraulic pipe penetrates out of the outer hydraulic pipe to enable the hydraulic pipe to extend; under the extension driving of the hydraulic pipe, the lengths of the telescopic steel protection pipe and the water pipe are correspondingly increased; further pushing the height of the alloy water pipe to be higher than the height of the vehicle body, and further lifting the alloy water pipe to reach the position near the two lining walls needing to be maintained; then, adjusting the weight of the counterweight cabin to enable the counterweight cabin and the spraying device to reach a balance state; and then, starting a water pump, pumping spraying water from a water storage tank, sequentially passing through a water pipe, a water inlet pipe and a water outlet pipe, entering the alloy water pipe, and spraying out from a spray head, further adjusting a hydraulic pump if the spraying height does not meet the requirement in the adjustment process, finely adjusting the height of the spraying device, and starting spraying operation after the spraying height is proper to all indexes. The problem of have maneuverability difference, maintenance effect not good influence maintenance operation quality when having overcome the manual work and spraying the mode is solved.
The support rack comprises a vertically placed support column, and an inclined support with the top end fixed with the side wall of the support column is arranged behind the support column.
This structural design can increase the stability of support rack, and is further, increases the stability of whole spray set in operation process.
The side wall of the counterweight chamber is provided with a handrail, and a plurality of counterweight blocks are placed in the counterweight chamber; the left side wall and the right side wall of the outer protecting pipe are provided with vertical rectangular inserting strips which protrude towards the inside of the pipe and are integrated with the pipe, and the left side wall and the right side wall of the inner protecting pipe are provided with vertical rectangular inserting grooves matched with the vertical rectangular inserting strips; the lower tip of steel pillar is opened has about the screw hole that link up, and the upper end in counter weight storehouse is opened has about the screw hole I that link up, and rotary rod and screw hole I threaded connection, and both ends all revolve to twist about the rotary rod and have lie in the lock nut on steel pillar left side and counter weight storehouse right side.
The structural design ensures that the spraying operation can be completed by holding the handrail by an operator, and the operation is convenient.
The spraying device also comprises a tubular joint with internal threads; the upper part of the tubular joint is in threaded connection with the lower end part of the water inlet pipe of the multi-way diverter, and the lower part of the tubular joint is in threaded connection with the top end part of the inner protection pipe; the connection part of the inner water pipe and the outer water pipe is provided with a tubular sealing gasket.
The structural design that the tubulose connects has increased the fastness of multidirectional shunt with interior water pipe handing-over department on the one hand, and on the other hand can prevent the infiltration of kneck, has promoted the sealed effect of spray set to water. The setting of tubulose seal gasket can prevent that the infiltration from appearing in the cup joint department of inside and outside water pipe.
The top of the left side wall of the water storage tank is provided with a toughened glass plate which is positioned right above the operation platform.
The structural design can prevent the wall body accidentally dropped from damaging personnel in the operation process, effectively ensures the safety of the operating personnel and improves the safety performance of the whole device; meanwhile, the toughened glass material is selected, a transparent visual window is provided, and the spraying operation is convenient for personnel to operate.
A telescopic cantilever type two-lining spraying maintenance device further comprises a plurality of searchlights which are fixed at the right end part of the top end face of a bearing automobile.
A telescopic cantilever type two-lining spraying maintenance device further comprises a water pumping operation panel which is fixed in the middle of the outer side of the left side wall of a water storage tank and is positioned above a water pump, and the output end of the water pumping operation panel is connected with the control end of the water pump; the hydraulic device further comprises a hydraulic operation panel which is fixed in the middle of the outer side of the left side wall of the water storage tank and is positioned above the hydraulic pump, and the output end of the hydraulic operation panel is connected with the control end of the hydraulic pump.
The arrangement of the hydraulic operating panel and the water pumping operating panel increases the operability of the spraying maintenance device, is convenient and simple, reduces the workload of operators, and improves the automation degree of the spraying maintenance device.
The invention has reasonable and reliable structural design and solves the problems of poor operability and poor maintenance effect when a manual spraying mode is adopted in secondary tunnel lining maintenance to influence the maintenance operation quality. The operation is convenient and simple, and the working efficiency of spraying operation is greatly improved; the structure is firm and reliable, water seepage or water leakage cannot occur, and the service performance is further improved; meanwhile, the safety performance is good, and the safety of operators in operation can be ensured; furthermore, the operation can be completed by only two to three persons, so that the labor cost is reduced, and the efficiency and the quality of the spraying operation are effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the spray assembly of FIG. 1 in a disassembled state;
FIG. 3 is a schematic structural view of the spray apparatus of FIG. 1;
fig. 4 is a schematic sectional view a-a of fig. 3.
In the figure, 1-bearing automobile, 2-water storage tank, 3-operation platform, 4-support rack, 5-rolling bearing, 6-rotating rod, 7-steel protective pipe, 8-counterweight cabin, 9-water pipe, 10-multidirectional flow divider, 11-alloy water pipe, 12-spray head, 13-connecting rod, 14-hydraulic pipe, 15-hydraulic pump, 16-water pump, 17-support column, 18-inclined strut, 19-tubular joint, 20-toughened glass plate, 21-searchlight, 22-water pumping operation panel and 23-hydraulic operation panel.
Detailed Description
A telescopic cantilever type two-lining spraying maintenance device comprises a bearing automobile 1, a spraying device and a hydraulic device; the automobile comprises a frame for bearing an automobile 1, and is characterized in that a water storage tank 2 and an operating platform 3 positioned on the left side of the water storage tank 2 are arranged on the frame for bearing the automobile 1, a supporting rack 4 is fixed at the left end of the operating platform 3, a rolling bearing 5 is arranged at the upper end of the supporting rack 4, a rotating rod 6 penetrates through the rolling bearing 5, the rolling bearing 5 is positioned in the middle of the rotating rod 6, a steel protection pipe 7 which is vertically arranged above the rotating rod 6 is fixed at the left end of the rotating rod 6, the steel protection pipe 7 comprises an inner protection pipe and an outer protection pipe which are vertically distributed and slide relatively, and the top end of the; a counterweight cabin 8 positioned below the rotating rod 6 is fixed at the right end part of the rotating rod; the spraying device comprises a water pipe 9 arranged in the steel protection pipe 7, the water pipe 9 comprises an inner water pipe and an outer water pipe which are distributed up and down and are mutually sleeved, and the outer water pipe is fixed with the outer protection pipe; the upper end of the inner water pipe penetrates through the top end face of the inner protection pipe and is fixed with the top end of the inner protection pipe; the top of the inner water pipe is provided with a multi-directional flow divider 10, the multi-directional flow divider 10 comprises water inlet pipes, the upper end part of each water inlet pipe is provided with a plurality of water outlet pipes which are communicated with the water inlet pipes and are distributed in the radial direction in the inclined direction, the inner wall of the lower end part of each water inlet pipe is in threaded connection with the outer wall of the top end part of each inner water pipe, the top part of each water outlet pipe is in threaded connection with an alloy water pipe 11, the top end part of each alloy water pipe 11 is provided with; two ends of the connecting rod 13 are provided with U-shaped clamps which are clamped with the corresponding alloy water pipes 11; the hydraulic device comprises two hydraulic pipes 14 arranged in the steel protection pipe 7 and a hydraulic pump 15 which is positioned below the outer side of the left side wall of the water storage tank 2 and communicated with the hydraulic pipes 14; each hydraulic pipe 14 comprises an inner hydraulic pipe and an outer hydraulic pipe which are vertically distributed and are mutually sleeved, the outer hydraulic pipes are fixed with the outer protective pipes, and the top end surfaces of the two inner hydraulic pipes are hermetically fixed at the top ends of the inner protective pipes; a water pump 16 communicated with the water pipe 9 and the water storage tank 2 is arranged below the inner part of the water storage tank 2.
The supporting bench 4 comprises a vertically placed supporting column 17, and an inclined strut 18 with the top end fixed with the side wall of the supporting column 17 is arranged behind the supporting column 17. The side wall of the counterweight chamber 8 is provided with a handrail, and a plurality of counterweight blocks are placed in the counterweight chamber 8; the left side wall and the right side wall of the outer protecting pipe are provided with vertical rectangular inserting strips which protrude towards the inside of the pipe and are integrated with the pipe, and the left side wall and the right side wall of the inner protecting pipe are provided with vertical rectangular inserting grooves matched with the vertical rectangular inserting strips; the lower tip of steel pillar 7 is opened has about the screw hole that link up, and the upper end of counter weight storehouse 8 is opened has about the screw hole I that link up, and rotary rod 6 and screw hole I threaded connection, and rotary rod 6 about both ends all twist soon to have to be located the lock nut on steel pillar 7 left side and counter weight storehouse 8 right side. The spray device also comprises a tubular joint 19 with internal threads; the upper part of the tubular joint 19 is in threaded connection with the lower end part of the water inlet pipe of the multi-directional flow divider 10, and the lower part of the tubular joint 19 is in threaded connection with the top end part of the inner protection pipe; the connection part of the inner water pipe and the outer water pipe is provided with a tubular sealing gasket. The top of the left side wall of the water storage tank 2 is provided with a toughened glass plate 20 which is positioned right above the operating platform 3. A telescopic cantilever type two-lining spraying maintenance device further comprises a plurality of searchlights 21 fixed at the right end part of the top end face of a bearing automobile 1. A telescopic cantilever type two-lining spraying maintenance device further comprises a water pumping operation panel 22 which is fixed in the middle of the outer side of the left side wall of a water storage tank 2 and is positioned above a water pump 16, and the output end of the water pumping operation panel 22 is connected with the control end of the water pump 16; the hydraulic device also comprises a hydraulic operation panel 23 which is fixed at the middle part of the outer side of the left side wall of the water storage tank 2 and is positioned above the hydraulic pump 15, and the output end of the hydraulic operation panel 23 is connected with the control end of the hydraulic pump 15.
In the specific implementation process, the rolling bearing 5 comprises a plurality of rolling bearings; the bottom of the steel protective pipe 7 is provided with a soft water supply pipe and a soft hydraulic pipe which are respectively communicated with a water pipe 9 and a hydraulic pipe 14, and the other ends of the soft water supply pipe and the soft hydraulic pipe are respectively communicated with a water pump and a hydraulic pump; the connecting rod 13 is a light hollow connecting rod; the spray head 12 can adjust the size and the spray radius of the sprayed water mist, so that the spray area and the spray water amount reach the proper range.
Claims (7)
1. The utility model provides a two linings of scalable cantilever type spray curing means which characterized in that: comprises a bearing automobile (1), a spraying device and a hydraulic device;
the automobile comprises a frame, a water storage tank (2) and an operation platform (3) located on the left side of the water storage tank (2) are arranged on the frame for bearing an automobile (1), a supporting rack (4) is fixed to the left end of the operation platform (3), a rolling bearing (5) is arranged at the upper end of the supporting rack (4), a rotating rod (6) penetrates through the rolling bearing (5), the rolling bearing (5) is located in the middle of the rotating rod (6), a steel protection pipe (7) which is located above the rotating rod (6) and vertically placed is fixed to the left end of the rotating rod (6), the steel protection pipe (7) comprises an inner protection pipe and an outer protection pipe which are vertically distributed and slide relatively, and the top end of the inner protection pipe is of a; a counterweight cabin (8) positioned below the rotating rod (6) is fixed at the right end part of the rotating rod;
the spraying device comprises a water pipe (9) arranged in the steel protection pipe (7), the water pipe (9) comprises an inner water pipe and an outer water pipe which are distributed up and down and are mutually sleeved, and the outer water pipe is fixed with the outer protection pipe; the upper end of the inner water pipe penetrates through the top end face of the inner protection pipe and is fixed with the top end of the inner protection pipe;
the top of the inner water pipe is provided with a multidirectional flow divider (10), the multidirectional flow divider (10) comprises a water inlet pipe, the upper end part of the water inlet pipe is provided with a plurality of water outlet pipes which are communicated with the water inlet pipe and are distributed in the radial direction in the inclined direction, the inner wall of the lower end part of the water inlet pipe is in threaded connection with the outer wall of the top end part of the inner water pipe, the top part of each water outlet pipe is in threaded connection with an alloy water pipe (11), the top end part of each alloy water pipe (11) is provided with a spray head (12), and a connecting; two ends of the connecting rod (13) are provided with U-shaped clamps which are clamped with the corresponding alloy water pipes (11);
the hydraulic device comprises two hydraulic pipes (14) arranged in the steel protection pipe (7) and a hydraulic pump (15) which is positioned below the outer side of the left side wall of the water storage tank (2) and communicated with the hydraulic pipes (14); each hydraulic pipe (14) comprises an inner hydraulic pipe and an outer hydraulic pipe which are vertically distributed and are mutually sleeved, the outer hydraulic pipe is fixed with the outer protective pipe, and the top end surfaces of the two inner hydraulic pipes are hermetically fixed at the top end of the inner protective pipe;
a water pump (16) communicated with the water pipe (9) and the water storage tank (2) is arranged below the inner part of the water storage tank (2).
2. The retractable cantilever type two-lining spray maintenance device according to claim 1, wherein: the supporting bench (4) comprises a vertically placed supporting column (17), and an inclined support (18) with the top end fixed with the side wall of the supporting column (17) is arranged behind the supporting column.
3. The retractable cantilever type two-lining spray maintenance device according to claim 1, wherein: the side wall of the counterweight chamber (8) is provided with a handrail, and a plurality of counterweight blocks are placed in the counterweight chamber (8); the left side wall and the right side wall of the outer protecting pipe are provided with vertical rectangular inserting strips which protrude towards the inside of the pipe and are integrated with the pipe, and the left side wall and the right side wall of the inner protecting pipe are provided with vertical rectangular inserting grooves matched with the vertical rectangular inserting strips; the lower tip of steel pillar (7) is opened has about the screw hole that link up, and the upper end of counter weight storehouse (8) is opened has about the screw hole I that link up, and rotary rod (6) and screw hole I threaded connection, and rotary rod (6) about both ends all revolve to twist and have be located the lock nut on steel pillar (7) left side and counter weight storehouse (8) right side.
4. The retractable cantilever type two-lining spray maintenance device according to claim 1, wherein: the spray device also comprises a tubular joint (19) with internal threads; the upper part of the tubular joint (19) is in threaded connection with the lower end part of the water inlet pipe of the multi-directional flow divider (10), and the lower part of the tubular joint (19) is in threaded connection with the top end part of the inner protection pipe; the connection part of the inner water pipe and the outer water pipe is provided with a tubular sealing gasket.
5. The retractable cantilever type two-lining spray maintenance device according to claim 1, wherein: a toughened glass plate (20) positioned right above the operating platform (3) is arranged at the top of the left side wall of the water storage tank (2).
6. The retractable cantilever type two-lining spray maintenance device according to claim 1, wherein: the automobile searchlight further comprises a plurality of searchlights (21) fixed at the right end part of the top end surface of the bearing automobile (1).
7. The retractable cantilever type two-lining spray maintenance device according to claim 1, wherein: the water pump control device also comprises a water pump operation panel (22) which is fixed in the middle of the outer side of the left side wall of the water storage tank (2) and is positioned above the water pump (16), and the output end of the water pump operation panel (22) is connected with the control end of the water pump (16); the hydraulic device further comprises a hydraulic operation panel (23) which is fixed in the middle of the outer side of the left side wall of the water storage tank (2) and located above the hydraulic pump (15), and the output end of the hydraulic operation panel (23) is connected with the control end of the hydraulic pump (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911173011.9A CN110821523B (en) | 2019-11-26 | 2019-11-26 | Two linings of scalable cantilever type spray curing means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173011.9A CN110821523B (en) | 2019-11-26 | 2019-11-26 | Two linings of scalable cantilever type spray curing means |
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| CN110821523A CN110821523A (en) | 2020-02-21 |
| CN110821523B true CN110821523B (en) | 2020-11-06 |
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| CN112252244A (en) * | 2020-09-24 | 2021-01-22 | 山西省交通规划勘察设计院有限公司 | A quick belt cleaning device of full section of secondary lining for tunnel in operation |
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