CN217202548U

CN217202548U - Tunnel secondary lining steam curing platform truck

Info

Publication number: CN217202548U
Application number: CN202123193563.1U
Authority: CN
Inventors: 罗文兵; 黎涛; 张素
Original assignee: Chongqing AVIC Construction Group Co Ltd
Current assignee: Chongqing AVIC Construction Group Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-08-16
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a tunnel construction technical field, concretely relates to tunnel secondary lining steam maintenance platform truck, the on-line screen storage device comprises a base, the below of base is equipped with running gear, the top of base is equipped with the maintenance support, the maintenance support is located the vertical support at base both ends, two the top of vertical support still is equipped with the arch support, be equipped with a set of first maintenance mechanism on the vertical support at least, be equipped with a set of second maintenance mechanism on at least between the arch, be equipped with first drive assembly in the first maintenance mechanism, first drive assembly is used for driving first maintenance mechanism and follows reciprocating motion is made to the vertical support, be equipped with second drive assembly in the second maintenance mechanism, second drive assembly is used for driving second maintenance mechanism and follows reciprocating motion is made to the arch support. The tunnel secondary lining steam curing trolley improves the uniformity of tunnel curing by arranging the movable steam pipeline, thereby improving the curing effect.

Description

Tunnel secondary lining steam curing platform truck

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a tunnel secondary lining steam maintenance platform truck.

Background

In contrast, secondary lining and primary support refer to inner lining constructed by concrete and other materials under the condition that the tunnel is subjected to primary support, so as to achieve the effects of reinforcing support, optimizing a route waterproof and drainage system, beautifying appearance, conveniently setting facilities such as communication, illumination, monitoring and the like, and adapt to the requirement of modern highway tunnel construction. After concrete is poured, if the concrete is maintained in hot weather and air drying in time, moisture in the concrete can evaporate too fast to form a dehydration phenomenon, so that cement particles which form gel cannot be fully hydrated, cannot be converted into stable crystals, lack sufficient cohesive force and can fall off in a flaky or powdery manner on the surface of the concrete. In addition, when the concrete does not have sufficient strength, the premature evaporation of water also causes large shrinkage deformation, and drying shrinkage cracks occur, which affect the durability and integrity of the concrete.

At present, a tunnel secondary lining concrete movable maintenance rack is generally adopted during tunnel secondary lining maintenance, a ring of sprinkling maintenance nozzles are arranged on the outer side of the rack, after a water inlet switch is turned on, water mist is uniformly sprayed on the surface of the secondary lining concrete, and the maintenance of the secondary lining concrete of a section needing maintenance is completed by continuously and longitudinally moving the rack. This maintenance mode has greatly alleviateed artifical intensity of labour, has improved the construction progress. This kind of tunnel secondary lining steam curing platform truck removes in order to drive steam jet to spray steam in order to carry out the maintenance to the concrete along tunnel length direction through the frame generally, and this kind of mode has leaded to tunnel concrete and vapor contact inhomogeneous because steam jet's rigidity, causes the maintenance effect poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a tunnel secondary lining steam curing platform truck, tunnel secondary lining steam curing platform truck improves the homogeneity to tunnel maintenance through setting up mobilizable steam conduit to improve the maintenance effect.

In order to achieve the technical effects, the utility model adopts the following technical scheme:

a tunnel secondary lining steam curing trolley comprises a base, wherein a travelling mechanism is arranged below the base, curing supports are arranged above the base and are arranged on vertical supports at two ends of the base, arch-shaped supports are further arranged at the top ends of the two vertical supports, at least one group of first curing mechanisms are arranged on the vertical supports, at least one group of second curing mechanisms are arranged between the arches, a first driving assembly is arranged on the first curing mechanisms and is used for driving the first curing mechanisms to reciprocate along the vertical supports, a second driving assembly is arranged on the second curing mechanisms and is used for driving the second curing mechanisms to reciprocate along the arch-shaped supports; the first maintenance mechanism and the second maintenance mechanism are electrically connected to the controller.

Furthermore, the walking mechanism comprises a walking wheel and a power mechanism for driving the walking wheel to rotate.

Further, first maintenance mechanism includes first mounting panel, second maintenance mechanism includes the second mounting panel, first mounting panel slidable install in on the vertical support, second mounting panel slidable install in on the arch support, all be equipped with a set of delivery duct on first mounting panel and the second mounting panel at least, delivery duct is on a parallel with the length direction installation in tunnel, and every all be equipped with one at least on the delivery duct the steam nozzle, delivery duct still is connected with steam generator through delivery header, the last solenoid valve that is equipped with of delivery header, the solenoid valve electricity is connected to the controller.

Further, the steam generator is fixedly installed on the base and arranged between the two vertical supports.

Further, vertical support is including the first drive rail and the first slip rail that are parallel to each other, first mounting panel is located between first drive rail and the first slip rail just the both ends of first mounting panel respectively with first drive rail and first slip rail sliding connection, install the spur rack on the first drive rail vertically, first drive assembly includes first motor, first motor with mounting panel fixed connection, the output transmission of first motor is connected with first gear, first gear revolve installs on first mounting panel, just first gear with the spur rack meshing.

Further, the arch support includes second drive rail and the second sliding rail that is parallel to each other, second mounting panel slidable mounting in between second drive rail and the second sliding rail just the both ends of second mounting panel respectively with second drive rail and second sliding rail sliding connection, fixed mounting has the arc rack on the second drive rail, second drive assembly includes the second motor, the second motor with mounting panel fixed connection, the output transmission of second motor is connected with the second gear, the second gear rotate install in on the second mounting panel, just second gear and arc rack toothing.

Furthermore, the output end of the second motor is provided with a second driving bevel gear, a second transmission shaft is coaxially arranged on the second gear, the second transmission shaft is rotatably connected with the second mounting plate, a second driven bevel gear is fixedly arranged on the second transmission shaft, and the second driven bevel gear is meshed with the second driving bevel gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of tunnel secondary lining steam maintenance platform truck is through setting up a set of vertical support respectively at the both ends of base to set up first drive assembly and be used for driving first maintenance mechanism and make reciprocating motion along this vertical support on this vertical support, thereby play the effect of even maintenance to the lateral wall in tunnel, simultaneously, set up the arch support through the top at this vertical support, follow through second drive assembly drive second maintenance mechanism the arch support makes reciprocating motion to play even maintenance effect to the roof in tunnel. The utility model discloses be different from the fixed maintenance form of the steam shower nozzle of current steam curing platform truck, through removing the homogeneity in order to improve the maintenance to driving the shower nozzle for the concrete is heated evenly in order to guarantee the maintenance effect.

Drawings

Fig. 1 is a schematic view of an overall structure of a tunnel secondary lining steam curing trolley provided in an embodiment of the present invention;

fig. 2 is a top view of a tunnel secondary lining steam curing trolley provided in an embodiment of the present invention;

fig. 3 is a schematic sectional view of a portion a-a of a tunnel secondary lining steam curing trolley according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial enlarged structure at a position B of the tunnel secondary lining steam curing trolley according to an embodiment of the present invention;

the reference signs are: 10, a base, 11, a traveling wheel, 20, a steam generator, 21, a conveying manifold, 22, a solenoid valve, 30, a vertical support, 31, a first driving rail, 32, a first sliding rail, 33, a spur rack, 331, a first mounting plate, 34, a first motor, 341, a first driving bevel gear, 342, a first driven bevel gear, 35, a first transmission shaft, 351, a first gear, 36, a steam conveying pipe, 361, a steam nozzle, 40, an arched support, 41, a second driving rail, 42, a second sliding rail, 43, an arc rack, 44, a second mounting plate, 45 and a second motor.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4, a tunnel secondary lining steam curing trolley comprises a base 10, wherein a traveling mechanism is arranged below the base 10, specifically, the traveling mechanism comprises a traveling wheel 11 and a power mechanism for driving the traveling wheel 11 to rotate, and the power mechanism can be arranged on the base 10 or can be driven by an external power mechanism to drive the base 10 to move. The maintenance support is arranged above the base 10, the traveling mechanism is used for driving the base 10 to move, and the concrete is maintained through the maintenance mechanism on the maintenance support in the moving process. Specifically, the maintenance mechanism comprises a first maintenance mechanism and a second maintenance mechanism, the maintenance support is arranged on the vertical supports 30 at two ends of the base 10, and at least one group of first maintenance mechanisms is arranged on each vertical support 30. The top ends of the two vertical supports 30 are further provided with arch-shaped supports 40, two groups of second maintenance mechanisms are arranged between the arches, and the two groups of second maintenance mechanisms are respectively arranged at two ends of the arch-shaped supports 40. The first maintenance mechanism is used for maintaining the side wall of the tunnel, and the second maintenance mechanism is used for maintaining the top surface of the tunnel. More specifically, the first maintenance mechanism is provided with a first driving assembly, and the first driving assembly is used for driving the first maintenance mechanism to reciprocate along the vertical support 30. And a second driving assembly is arranged on the second maintenance mechanism and used for driving the second maintenance mechanism to reciprocate along the arched bracket 40. The base 10 is further provided with a controller, and the first maintenance mechanism and the second maintenance mechanism are electrically connected to the controller. When the maintenance device is implemented specifically, the controller controls the traveling mechanism to drive the base 10 and the maintenance support to move to the appropriate position of the tunnel, the controller controls the first driving assembly to drive the first maintenance mechanism to move along the vertical support 30, and the second driving assembly drives the second maintenance mechanism to move along the arch-shaped support 40, so that steam maintenance is performed on two sides and the top wall of the tunnel, and the uniform maintenance effect on the concrete on the inner wall of the tunnel is achieved through the reciprocating motion of the first maintenance mechanism and the second maintenance mechanism.

In this embodiment, the first maintenance mechanism includes a first mounting plate 331, the second maintenance mechanism includes a second mounting plate 44, the first mounting plate 331 is slidably mounted on the vertical bracket 30, the second mounting plate 44 is slidably mounted on the arched bracket 40, the first mounting plate 331 and the second mounting plate 44 are both provided with a set of steam delivery pipes 36, the steam delivery pipes 36 are mounted in parallel to the length direction of the tunnel, and each steam delivery pipe 36 is provided with a plurality of steam spray nozzles 361. The steam delivery pipe 36 is further connected with the steam generator 20 through a delivery manifold 21, and the delivery manifold 21 is provided with an electromagnetic valve 22, and the electromagnetic valve 22 is electrically connected to the controller. Steam generator 20 fixed mounting in on the base 10 just steam generator 20 locates between two vertical supports 30, specifically, be equipped with heating mechanism in the steam generator 20 in order to be used for producing atomizing steam, simultaneously, still be equipped with temperature sensor in the steam generator 20, heating mechanism and temperature sensor all with the controller electricity is connected to produce steam, and pass through delivery header 21 and steam delivery pipe 36 carry it to the blowout of steam spray 361, thereby play the maintenance effect to the tunnel inner wall.

In this embodiment, the vertical bracket 30 includes a first driving rail 31 and a first sliding rail 32 that are parallel to each other, the first mounting plate 331 is disposed between the first driving rail 31 and the first sliding rail 32, and two ends of the first mounting plate 331 are slidably connected to the first driving rail 31 and the first sliding rail 32, respectively. Install spur rack 33 on the first drive rail 31 vertically, first drive assembly includes first motor 34, first motor 34 with the controller electricity is connected, just first motor 34 with mounting panel fixed connection, the output transmission of first motor 34 is connected with first gear 351, first gear 351 rotates and installs on first mounting panel 331, just first gear 351 with spur rack 33 meshes. In specific implementation, the controller controls the first motor 34 to drive the first gear 351 to rotate, and the first mounting plate 331 is lifted along the vertical support 30 through the cooperation of the first gear 351 and the straight rack 33, so that reciprocating steam curing is performed on the side wall of the tunnel, and a uniform curing effect is achieved. Specifically, the output end of the first motor 34 is provided with a first driving bevel gear 341, the first gear 351 is coaxially provided with a first transmission shaft 35, the first transmission shaft 35 is rotatably connected to the first mounting plate 331, a first driven bevel gear 342 is fixedly mounted on the first transmission shaft 35, the first driven bevel gear 342 is engaged with the first driving bevel gear 341, and in specific implementation, the first motor 34 drives the first driving bevel gear 341 to rotate and the first driven bevel gear 342 is driven to rotate by the rotation of the first driving bevel gear 341, so as to drive the first mounting plate 331 to move up and down along the vertical support 30.

In this embodiment, the arched bracket 40 includes a second driving rail 41 and a second sliding rail 42 that are parallel to each other, a distance between the second driving rail 41 and the second sliding rail 42 is equal to a distance between the first driving rail 31 and the first sliding rail 32, two ends of the second driving rail 41 are respectively and fixedly connected to the two sets of the first driving rails 31, and two ends of the second sliding rail 42 are respectively and fixedly connected to the two sets of the first sliding rails 32. The second mounting plate 44 is slidably mounted between the second driving rail 41 and the second sliding rail 42, and two ends of the second mounting plate 44 are slidably connected to the second driving rail 41 and the second sliding rail 42, respectively. The second driving rail 41 is fixedly provided with an arc-shaped rack 43, the second driving assembly comprises a second motor 45, and the second motor 45 is fixedly connected with the mounting plate. The output end of the second motor 45 is connected with a second gear in a transmission manner, the second gear is rotatably mounted on the second mounting plate 44, and the second gear is meshed with the arc-shaped rack 43. Specifically, the output end of the second motor 45 is provided with a second driving bevel gear, a second transmission shaft is coaxially arranged on the second gear, the second transmission shaft is rotatably connected with the second mounting plate 44, a second driven bevel gear is fixedly mounted on the second transmission shaft, and the second driven bevel gear is meshed with the second driving bevel gear. In specific implementation, the controller controls the second motor 45 to drive the second driving bevel gear to rotate, the second driven bevel gear drives the second transmission shaft and the second gear to rotate synchronously, and the second gear is engaged with the arc-shaped rack 43 to realize that the second mounting plate 44 rotates along the arc-shaped bracket 40, so that the tunnel top is maintained in a reciprocating manner.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a tunnel secondary lining steam maintenance platform truck which characterized in that: the maintenance device comprises a base (10), wherein a traveling mechanism is arranged below the base (10), a maintenance support is arranged above the base (10), the maintenance support is arranged on vertical supports (30) at two ends of the base (10), an arch support (40) is further arranged at the top end of each vertical support (30), at least one group of first maintenance mechanisms is arranged on each vertical support (30), at least one group of second maintenance mechanisms is arranged between arches, a first driving assembly is arranged on each first maintenance mechanism and used for driving the first maintenance mechanisms to reciprocate along the vertical supports (30), a second driving assembly is arranged on each second maintenance mechanism and used for driving the second maintenance mechanisms to reciprocate along the arch supports (40); the first maintenance mechanism and the second maintenance mechanism are electrically connected to the controller.

2. The tunnel secondary lining steam curing trolley of claim 1, wherein: the walking mechanism comprises a walking wheel (11) and a power mechanism for driving the walking wheel (11) to rotate.

3. A tunnel secondary lining steam maintenance truck of claim 1, wherein: the first maintenance mechanism comprises a first mounting plate (331), the second maintenance mechanism comprises a second mounting plate (44), the first mounting plate (331) is slidably mounted on the vertical support (30), the second mounting plate (44) is slidably mounted on the arched support (40), at least one group of steam delivery pipes (36) are arranged on the first mounting plate (331) and the second mounting plate (44), the steam delivery pipes (36) are parallel to the length direction of the tunnel, each steam delivery pipe (36) is at least provided with one steam spray nozzle (361), each steam delivery pipe (36) is further connected with a steam generator (20) through a delivery header pipe (21), each delivery header pipe (21) is provided with a solenoid valve (22), and each solenoid valve (22) is electrically connected to the controller.

4. A tunnel secondary lining steam maintenance truck of claim 3, wherein: the steam generator (20) is fixedly arranged on the base (10) and the steam generator (20) is arranged between the two vertical supports (30).

5. A tunnel secondary lining steam maintenance truck of claim 3, wherein: vertical support (30) are including first drive rail (31) and first slide rail (32) that are parallel to each other, first mounting panel (331) are located between first drive rail (31) and first slide rail (32) and the both ends of first mounting panel (331) respectively with first drive rail (31) and first slide rail (32) sliding connection, install spur rack (33) on first drive rail (31) vertically, first drive assembly includes first motor (34), first motor (34) with first mounting panel fixed connection, the output transmission of first motor (34) is connected with first gear (351), first gear (351) rotate to be installed on first mounting panel (331), just first gear (351) with spur rack (33) meshing.

6. A tunnel secondary lining steam curing trolley as claimed in claim 5, wherein: the output end of the first motor (34) is provided with a first driving bevel gear (341), the first gear (351) is coaxially provided with a first transmission shaft (35), the first transmission shaft (35) is rotatably connected with the first mounting plate (331), the first transmission shaft (35) is fixedly provided with a first driven bevel gear (342), and the first driven bevel gear (342) is meshed with the first driving bevel gear (341).

7. A tunnel secondary lining steam maintenance trolley as claimed in claim 3, wherein: arched support (40) are including second drive rail (41) and second sliding rail (42) that are parallel to each other, second mounting panel (44) sliding installation in between second drive rail (41) and second sliding rail (42) just the both ends of second mounting panel (44) respectively with second drive rail (41) and second sliding rail (42) sliding connection, fixed mounting has arc rack (43) on second drive rail (41), second drive assembly includes second motor (45), second motor (45) with second mounting panel fixed connection, the output transmission of second motor (45) is connected with the second gear, the second gear rotate install in on second mounting panel (44), just the second gear meshes with arc rack (43).

8. A tunnel secondary lining steam maintenance truck of claim 7, wherein: the output end of the second motor (45) is provided with a second driving bevel gear, a second transmission shaft is coaxially arranged on the second gear, the second transmission shaft is rotatably connected with the second mounting plate (44), a second driven bevel gear is fixedly arranged on the second transmission shaft, and the second driven bevel gear is meshed with the second driving bevel gear.