CN105697037A - Construction plant for repairing and strengthening tunnel lining structures - Google Patents
Construction plant for repairing and strengthening tunnel lining structures Download PDFInfo
- Publication number
- CN105697037A CN105697037A CN201610116539.2A CN201610116539A CN105697037A CN 105697037 A CN105697037 A CN 105697037A CN 201610116539 A CN201610116539 A CN 201610116539A CN 105697037 A CN105697037 A CN 105697037A
- Authority
- CN
- China
- Prior art keywords
- construction
- repairing
- tunnel lining
- hoop
- lining structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/381—Setting apparatus or devices
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/383—Waterproofing; Heat insulating; Soundproofing; Electric insulating by applying waterproof flexible sheets; Means for fixing the sheets to the tunnel or cavity wall
Abstract
The invention relates to a construction plant for repairing and strengthening tunnel lining structures. The construction plant is characterized by comprising a running gear, any ring construction device (1 to 8) required in the invention, a lifting device with a lifting platform, a control device for controlling the construction plant to work and a driving device for driving a supporting arm to rotate. The lifting device is installed on the running gear; the ring construction device and the driving device are both installed on the lifting platform; and the control device is installed on the running gear. The construction plant has the beneficial effects that the construction flow is mastered through the plant, the automatic degree is high, a person does not need to enter a tunnel for construction, and the labor cost is saved; the mechanized construction quality is higher than the manual construction quality, coating of epoxy resin glue is even, a carbon fiber sheet is tightly and smoothly bonded, and the repairing and strengthening effect and the construction efficiency are guaranteed; and the construction plant is suitable for repairing and strengthening construction of the tunnel lining structures in different sizes, suitable for construction under various weather conditions and engineering environments and good in engineering adaptability.
Description
Technical field
The invention belongs to lining construction technical equipment field, be specifically related to one automatically can drive in tunnel, and tunnel lining structure carries out hoop affixing carbon fabric the walking construction equipment at surface-coated epoxy resin impregnated resin simultaneously。
Background technology
Tunnel lining structure in use there will be crack in various degree, thus causes lining cutting to be leaked, the multiple harm such as erosion, weakens tunnel lining structural bearing capacity and durability, affects tunnel and normally use。For these situations, it is necessary to tunnel lining to be carried out local route repair and reinforcement and strengthening, retrain cracks can spread, it is ensured that tunnel runs safety。At present to tunnel lining crack treatment frequently with steel fiber shotcrete, do for supplement the methods such as concrete jacket lining, affixing steel plate。These methods are respectively arranged with feature, but there is construction period length, affect tunnel cross-section size, increase the defect such as works deadweight, maintenance cost height。
The technology that tunnel lining crack is carried out repairing and reinforcement by carbon fibre reinforced composite was adopted more and more to be applied in the world in recent years。By being pasted on tunnel lining body structure surface after being infiltrated by carbon cloth epoxy resin cementing material, utilize carbon fiber and the common stress of xoncrete structure of high intensity, tunnel lining is carried out reinforcing。While inconspicuous change tunnel inner surface contour, crackle can be limited and grow, improve liner structure bearing capacity, and by epoxy gluing material, effectively completely cut off steam, it is prevented that lining cutting is corroded。Carbon fibre composite has good development prospect in the repairing and reinforcement engineering of tunnel lining crack。
At present, adopting the artificial mode pasted carbon fiber composite material reinforced construction, for the strengthening construction of tunnel inwall, owing to construction space is less, workman's difficulty of construction is big, and construction quality and efficiency of construction cannot ensure more；Owing in tunnel, ventilation condition is poor, there is threat in workman's construction safety；Owing to tunnel lining structure Internal periphery is circular, it is unfavorable for the stickup of carbon cloth。The repairing and reinforcement engineering of tunnel lining structure is not only long in time limit, and construction effect is not good。Carbon fiber composite material reinforced construction is carried out for medium-small diameter tunnel lining structural cracks, there is no the solution of maturation at present。
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, there is provided one can walk in tunnel, tunnel lining crack carried out hoop affixing carbon fabric and is uniformly coated with the repairing and reinforcement construction equipment of epoxy resin impregnated resin on surface, significantly improving tunnel lining repairing and reinforcement efficiency of construction and construction reliability。
For solving prior art problem, the technical solution used in the present invention: a kind of hoop constructing device for repairing and reinforcement tunnel lining structure, including the support arm with a fixing end and a free end, and it is arranged on the gluing module on support arm free end and sticky cloth module；Support arm can rotate around fixing end, makes gluing module and sticky cloth module that tunnel inwall to carry out gluing and sticky cloth respectively。
Preferably, gluing module includes two groups of gum-filling mechanisms, and the port of export of gum-filling mechanism is all connected with one and goes out sebific duct, and wherein one goes out sebific duct is hard tube, and it is flexible pipe that another root goes out sebific duct；The every port of export going out sebific duct is provided with a brush roll；Also include the port of export that can drive flexible pipe and be arranged on the co-rotational rotary support of brush roll of this end。
Preferably, gum-filling mechanism includes having concurrently the injection tube of storage glue effect, and activity is assemblied in the piston in injection tube, is connected to bottom injection tube to conveying gas in it to promote the appendix of piston movement, and source of the gas。
Preferably, the two ends of brush roll are additionally provided with the leak-stopping baffle plate of circle, and the diameter of leak-stopping baffle plate is more than the diameter of brush roll and is connected with the both sides going out sebific duct。
Preferably, sticky cloth module includes the roller stand for placing carbon fiber yardage roll, is used for carrying the cylinder of carbon cloth for a pair, and is positioned at the cutting mechanism in cylinder front。
Preferably, cutting mechanism includes blocking track, is slidedly assemblied in the knife rest blocking on track, and is arranged on the blade of knife rest one end；Knife rest along block when slide rail moves can band cutting blade by carbon cloth severing。
Preferably, the guide plate being positioned at gluing module front for changing the carbon cloth direction of motion is also included。
Preferably, also including compacting trachea, in compacting trachea, conveying high-pressure gas is by carbon cloth compacting on tunnel inwall, and one end of compacting trachea is connected with source of the gas。
Preferably, support arm includes the interior pipe that can rotate around fixing end, is set in outer wall of inner tube the outer tube that can stretch, and can lock the retaining mechanism of inner and outer tubes；Interior pipe is hollow pipe。
The invention also discloses a kind of tunnel lining structure repair strengthening construction equipment, including running gear, hoop constructing device, there is the lowering or hoisting gear of a hoistable platform, control the control device of this construction equipment work, and drive the driving device of support arm rotation；Lowering or hoisting gear is arranged on running gear；Hoop constructing device and driving device are installed on hoistable platform；Control device to be arranged on running gear or hoistable platform。
The invention have the benefit that
1. this equipment controls construction process, and automaticity is high, it is not necessary to workman enters tunnel in-cavity construction, saves labour turnover。
2. mechanized construction quality is higher than artificial construction, and uniformly, carbon cloth is pasted closely smooth, it is ensured that repairing and reinforcement effect and efficiency of construction in epoxide-resin glue coating。
3. it is applicable to different size tunnel lining structure repair strengthening construction, it is adaptable to the construction of multiple weather condition and engineering-environment, engineering adaptability is good。
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention；
Fig. 2 is hoop constructing device of the present invention and support arm cross sectional representation；
Fig. 3 is A place partial enlarged drawing in Fig. 2；
Fig. 4 is B direction view in Fig. 3；
Fig. 5 is C direction view in Fig. 3；
Fig. 6 is the structural representation of gluing module and sticky cloth module in the present invention；
Fig. 7 is the partial enlarged drawing in Fig. 6 under D place gluing state；
Fig. 8 is the partial enlarged drawing in Fig. 6 under D place sticky cloth state；
Fig. 9 is that the present invention constructs track schematic diagram。
Accompanying drawing labelling: 1 injection tube；2 carbon fiber yardage rolls；3 roller stands；4 defeated cloth cylinders；5 activity brush roll；6 support arms；7 air hoses；9 nipples；10 hollow outer pipe；11 hollow interior pipes；12 locating fasteners；13 locating grooves；16 lowering or hoisting gears；17 hoistable platforms；18 air pumps；19 air chambers；20 pistons；21 plastic emitting hard tubes；22 plastic emitting flexible pipes；23 rotary supports；24 electric rotating machines；25 movable slowspeed machines；26 fixing slowspeed machines；27 driving devices；28 defeated cloth motors；29 guide plates；30 compacting tracheas；31 cutting mechanisms；32 block motor；33 knife rests；34 block track；35 blades；36 control device；37 running gears；38 leak-stopping baffle plates；39 tunnel inwalls；40 fixing brush roll。
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described。Following example are only for clearly illustrating technical scheme, and can not limit the scope of the invention with this。
As it is shown in figure 1, a kind of tunnel lining structure repair strengthening construction equipment, including running gear 37, hoop constructing device, lowering or hoisting gear 16, control device 36 and driving device 27。Lowering or hoisting gear 16 and control device 36 are installed on running gear 37, and lowering or hoisting gear 16 has a hoistable platform 17, and it is properly functioning that control device 36 is used for controlling each execution unit。Driving device 27 is arranged on hoistable platform 17, and hoop constructing device is rotatably installed on hoistable platform 17 by pin shaft structure and is connected with driving device 27, and driving device 27 can drive hoop constructing device to rotate around bearing pin。
If Fig. 2 is to shown in 8, hoop constructing device specifically includes that support arm 6, is arranged on the gluing module on support arm 6 and sticky cloth module。
Support arm 6 includes hollow interior pipe 11, is set in the hollow outer pipe 10 of hollow interior pipe 11 outer wall, and can lock the retaining mechanism of inner and outer tubes, is capable of the length of telescopic adjustment support arm 6 by this kind of connected mode。The fixing end of hollow interior pipe 11 is rotatably installed on hoistable platform 17 by pin shaft structure and is connected with driving device 27, and the free end of hollow outer pipe 10 is installed gluing module and sticky cloth module。Retaining mechanism includes the locating fastener 12 being arranged on the outer wall of hollow interior pipe 11, is arranged on the jagged locating groove 13 on the inwall of hollow outer pipe 10；Could alter that the hollow outer pipe 10 relative position with hollow interior pipe 11 is thus adjusting the length of support arm 6 by adjusting the locating fastener 12 position in locating groove 13。Retaining mechanism is not limited to said structure, it is also possible to is that of the prior art other is capable of other structure of locking function, therefore no longer repeats。
Gluing module includes a pair gum-filling mechanism, and each gum-filling mechanism includes the injection tube 1 having storage glue effect concurrently, and activity is assemblied in the piston 20 in injection tube 1, air hose 7, and is used as the air pump 18 of source of the gas。The port of export of one of them injection tube 1 connects a plastic emitting hard tube 21, and the port of export of another injection tube 1 connects a plastic emitting flexible pipe 22。The arrival end of injection tube 1 is connected with the air hose 7 being threaded joint 9。With piston 20 for boundary, it is air chamber 19 near the side of arrival end, is then used for storing epoxide-resin glue near the side of the port of export。
The port of export place of plastic emitting flexible pipe 22 is provided with activity brush roll 5, and the port of export place of plastic emitting hard tube 21 is provided with fixing brush roll 40, and activity brush roll 5 is driven by movable slowspeed machine 25, and fixing brush roll 40 is driven by fixing slowspeed machine 26。In order to realize the rotation of plastic emitting flexible pipe 22 port of export, also setting up a rotary support driven by electric rotating machine 24 23, the port of export of plastic emitting flexible pipe 22 is fixed on this rotary support 23。As it is shown in fig. 7, when gluing, electric rotating machine 24 drives the port of export of plastic emitting flexible pipe 22 to rotate to activity brush roll 5 state vertical with tunnel inwall 39。As shown in Figure 8, when sticky cloth, electric rotating machine 24 drives the port of export of plastic emitting flexible pipe 22 to rotate to activity brush roll 5 state relative with fixing brush roll 40。
In addition, being additionally provided with a guide plate 29, when sticky cloth, the carbon cloth that vertical direction is carried is turned to into tangent with tunnel inwall 39 or with minimum angle coated carbon fibers cloth by guide plate 29。The two ends of brush roll are additionally provided with the leak-stopping baffle plate 38 of circle, the diameter of leak-stopping baffle plate 38 is more than the diameter of brush roll and is connected with the both sides going out sebific duct, its effect prevents epoxide-resin glue from revealing on the one hand, realizes brush roll and the connection going out sebific duct as connector on the other hand。
Sticky cloth module includes the roller stand 3 for placing carbon fiber yardage roll 2, is used for carrying the defeated cloth cylinder 4 of carbon cloth and cutting mechanism 31 for a pair。The outer leftover of bolt of cloth of carbon fiber yardage roll 2 is clamped by a pair defeated cloth cylinder 4 and outwards continues to export after drawing。This defeated cloth cylinder 4 is driven by defeated cloth motor 28, it is also possible to directly select defeated cloth cylinder 4 motor。Cutting mechanism 31 is used for severing carbon cloth between brush roll and guide plate 29。Cutting mechanism 31 includes blocking track 34, is slidedly assemblied in the knife rest 33 blocked on track 34, and is arranged on the blade 35 of knife rest 33 one end；Knife rest 33 drives and moves thus making blade 35 by carbon cloth severing along blocking slide rail by blocking motor 32。
In order to realize carbon cloth and tunnel inwall 39 secure fit better, being additionally provided with a compacting trachea 30, the arrival end of compacting trachea 30 is connected with air pump 18, by the gases at high pressure that export from the port of export by carbon cloth compacting on tunnel inwall 39。Air hose 7 and compacting trachea 30 all can be accommodated in hollow interior pipe 11 and hollow outer pipe 10。
Principles of the invention is:
For certain tunnel, this tunnel total length 300 meters, tunnel location surrounding enviroment are complicated, and residing stratum is sandstone formation, and groundwater seepage effect is obvious。Adopting overall perfusion concrete lining, inner surface contour is holocentric circle。In use there is the phenomenon of Lining cracks in tunnel, and infiltration flow increases, and groundwater erosion destroys lining cutting body。Through prospecting, tunnel lining crackle is based on hoop, and crack width is at about 0.2mm, and crackle is grown relatively stable。For this situation, adopting carbon fibre reinforced composite that tunnel lining carries out local route repair reinforcing is method for optimizing。Now utilize tunnel lining structure repair strengthening construction equipment of the present invention that tunnel lining inwall carries out local route repair and reinforcement and strengthening。
At the construction field (site), concrete base layer first carrying out polishing smooth, remove concrete surface weathered layer, localized cracks larger part is scraped levelling glue and repairs smooth, and clean out in tunnel, leave dust, in order to carbon cloth is pasted。After preparation, epoxide-resin glue is in harmonious proportion in proportion in clean container and mixes uniformly, inject injection tube 1。Carbon fiber yardage roll 2 is placed on roller stand 3, and pulls out one section of carbon cloth and pass to correct position between two defeated cloth cylinders 4 and two brush roll。Construction equipment is placed in tunnel, according to tunnel diameter, adjusts support arm 6 length, and start lowering or hoisting gear 16 and regulate the height of hoistable platform 17, make hoop constructing device running orbit and the laminating of tunnel inwall 39 profile。
As shown in Figure 9, construction equipment drives into treating reinforcing construction area, controlling device 36 and open air pump 18, pressure-sustaining gas enters in injection tube 1 and forces piston 20, and epoxide-resin glue arrives fixing brush roll 40 and activity brush roll 5 place respectively through plastic emitting hard tube 21 and plastic emitting flexible pipe 22。Electric rotating machine 24 starts, and adjustment activity brush roll 5 direction makes it towards waiting to reinforce inwall, and movable slowspeed machine 25 is opened, and activity brush roll 5 rolls plastic emitting。Now being driven support arm 6 to rotate by driving device 27, epoxide-resin glue uniform application is in tunnel inwall 39, and after completing brushing primer one circle, support arm 6 suspends rotation, completes primer painting process。
Then made it vertical with carbon cloth by electric rotating machine 24 adjustment activity brush roll 5 direction, defeated cloth motor 28 starts, the defeated cloth cylinder 4 of defeated cloth starts to roll, carbon fiber yardage roll 2 is driven to go out cloth, fix slowspeed machine 26 simultaneously and movable slowspeed machine 25 is opened, epoxide-resin glue is coated uniformly on carbon cloth by fixing brush roll 40 and activity brush roll 5, fully infiltrates carbon cloth。Support arm 6 is rotated further, carbon cloth after infiltration is fitted with tunnel inwall 39 under guide plate 29 guides, and under the stream pressure effect of compacting trachea 30, firmly it is pasted on tunnel inwall 39, after so pasting a full circle carbon cloth, support arm 6 suspends rotation, and defeated cloth motor 28, fixing slowspeed machine 26 and movable slowspeed machine 25 all quit work, block motor 32 to start, band movable knife rack 33 moves along blocking track 34, and carbon cloth is blocked by blade 35, completes affixing carbon fabric operation。
Then according still further to primer painting process, brush an aspect glue, complete brushing surface glue process。Suspend hoop constructing device, control device 36 activated row walking apparatus 37, one step-length of equipment stepping, arrive next maintenance to be added and put。Repeat above-mentioned action, until target strengthening construction region all completes carbon cloth taping process。
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention。
Claims (10)
1. the hoop constructing device for repairing and reinforcement tunnel lining structure, it is characterised in that: include the support arm with a fixing end and a free end, and be arranged on the gluing module on support arm free end and sticky cloth module；Support arm can rotate around fixing end, enables gluing module and sticky cloth module that tunnel inwall to carry out gluing and sticky cloth respectively。
2. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 1, it is characterized in that, gluing module includes two groups of gum-filling mechanisms, and the port of export of gum-filling mechanism is all connected with one and goes out sebific duct, wherein one goes out sebific duct is hard tube, and it is flexible pipe that another root goes out sebific duct；The every port of export going out sebific duct is provided with a brush roll；Also include the port of export that can drive flexible pipe and be arranged on the co-rotational rotary support of brush roll of this end。
3. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 2, it is characterized in that, gum-filling mechanism includes the injection tube having storage glue effect concurrently, activity is assemblied in the piston in injection tube, it is connected to bottom injection tube to conveying gas in it to promote the appendix of piston movement, and source of the gas。
4. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to Claims 2 or 3, it is characterized in that, the two ends of brush roll are additionally provided with the leak-stopping baffle plate of circle, and the diameter of leak-stopping baffle plate is more than the diameter of brush roll and is connected with the both sides going out sebific duct。
5. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 1, it is characterized in that, sticky cloth module includes the roller stand for placing carbon fiber yardage roll, is used for carrying the cylinder of carbon cloth for a pair, and is positioned at the cutting mechanism in cylinder front。
6. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 5, it is characterised in that cutting mechanism includes blocking track, is slidedly assemblied in the knife rest blocking on track, and is arranged on the blade of knife rest one end；Knife rest along block when slide rail moves can band cutting blade by carbon cloth severing。
7. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 1, it is characterised in that also include the guide plate being positioned at gluing module front for changing the carbon cloth direction of motion。
8. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 3, it is characterized in that, also including compacting trachea, in compacting trachea, conveying high-pressure gas is by carbon cloth compacting on tunnel inwall, and one end of compacting trachea is connected with source of the gas。
9. a kind of hoop constructing device for repairing and reinforcement tunnel lining structure according to claim 1, it is characterized in that, support arm includes the interior pipe that can rotate around fixing end, is set in outer wall of inner tube the outer tube that can stretch, and can lock the retaining mechanism of inner and outer tubes；Interior pipe is hollow pipe。
10. a tunnel lining structure repair strengthening construction equipment, it is characterised in that include running gear, hoop constructing device as described in as arbitrary in claim 1 to 8, there is the lowering or hoisting gear of a hoistable platform, control the control device of this construction equipment work, and drive the driving device of support arm rotation；Lowering or hoisting gear is arranged on running gear；Hoop constructing device and driving device are installed on hoistable platform；Control device to be arranged on running gear or hoistable platform。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116539.2A CN105697037B (en) | 2016-03-01 | 2016-03-01 | A kind of tunnel lining structure repair strengthening construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610116539.2A CN105697037B (en) | 2016-03-01 | 2016-03-01 | A kind of tunnel lining structure repair strengthening construction equipment |
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| Publication Number | Publication Date |
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| CN105697037A true CN105697037A (en) | 2016-06-22 |
| CN105697037B CN105697037B (en) | 2019-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610116539.2A Expired - Fee Related CN105697037B (en) | 2016-03-01 | 2016-03-01 | A kind of tunnel lining structure repair strengthening construction equipment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288664A (en) * | 2017-08-01 | 2017-10-24 | 夏峰 | A kind of spray-on tunnel film waterproof construction device and construction method |
| CN108590220A (en) * | 2018-05-09 | 2018-09-28 | 河海大学 | Carbon cloth reinforced automatic constructing device suitable for variable cross-section rib type structure |
| CN108590221A (en) * | 2018-05-09 | 2018-09-28 | 合肥工业大学 | A kind of automatic constructing device of fiber cloth reinforced concrete column |
| CN108867573A (en) * | 2018-07-26 | 2018-11-23 | 河海大学 | The carbon cloth reinforced full-automatic constructing device of gate |
| CN109113111A (en) * | 2018-07-26 | 2019-01-01 | 河海大学 | Reinforce the automatic constructing device of steel-pipe pile changeover portion |
| CN114233303A (en) * | 2021-12-17 | 2022-03-25 | 江苏徐工工程机械研究院有限公司 | Tunnel support material cleaning device |
| CN114482599A (en) * | 2022-01-13 | 2022-05-13 | 成都建工路桥建设有限公司 | Automatic repairing machine for defects of underground overlong structure and using method thereof |
| CN114688381A (en) * | 2020-12-31 | 2022-07-01 | 北京市水利规划设计研究院 | Water pipe reinforcing construction device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288664A (en) * | 2017-08-01 | 2017-10-24 | 夏峰 | A kind of spray-on tunnel film waterproof construction device and construction method |
| CN108590220A (en) * | 2018-05-09 | 2018-09-28 | 河海大学 | Carbon cloth reinforced automatic constructing device suitable for variable cross-section rib type structure |
| CN108590221A (en) * | 2018-05-09 | 2018-09-28 | 合肥工业大学 | A kind of automatic constructing device of fiber cloth reinforced concrete column |
| CN108867573A (en) * | 2018-07-26 | 2018-11-23 | 河海大学 | The carbon cloth reinforced full-automatic constructing device of gate |
| CN109113111A (en) * | 2018-07-26 | 2019-01-01 | 河海大学 | Reinforce the automatic constructing device of steel-pipe pile changeover portion |
| CN114688381A (en) * | 2020-12-31 | 2022-07-01 | 北京市水利规划设计研究院 | Water pipe reinforcing construction device |
| CN114688381B (en) * | 2020-12-31 | 2024-04-19 | 北京市水利规划设计研究院 | Reinforcing construction device for water conveying pipeline |
| CN114233303A (en) * | 2021-12-17 | 2022-03-25 | 江苏徐工工程机械研究院有限公司 | Tunnel support material cleaning device |
| CN114233303B (en) * | 2021-12-17 | 2023-11-03 | 江苏徐工工程机械研究院有限公司 | Tunnel supporting material cleaning device |
| CN114482599A (en) * | 2022-01-13 | 2022-05-13 | 成都建工路桥建设有限公司 | Automatic repairing machine for defects of underground overlong structure and using method thereof |
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|---|---|
| CN105697037B (en) | 2019-05-28 |
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