CN115717543A - Multifunctional reciprocating spraying and spraying dust falling maintenance trolley - Google Patents

Abstract

The invention belongs to the field of tunnel maintenance trolleys, and in particular relates to a multifunctional reciprocating spray and dust reduction maintenance trolley; it includes a main body frame, a walking mechanism arranged at the bottom of the main body frame, and a spray spraying device arranged on the main body frame. System, spray spraying system includes a water tank and a water delivery pipeline installed on the main body frame, the water delivery pipeline is connected to the water tank; the water delivery pipeline includes arc-shaped pipelines arranged forward and backward along the length direction of the main body frame and used to connect the arc-shaped pipelines The transition pipeline, the arc pipeline is equipped with multiple nozzles; the top of the main frame is equipped with a maintenance trolley that can slide along the length direction of the main frame, and the maintenance trolley is equipped with a pole beam parallel to the length direction of the main frame. The length of the beam is longer than that of the main vehicle frame, and an arc-shaped pipeline is arranged at the front and rear beam ends of the pole beam; the invention has simple structure, novel and reasonable design, reduces the labor intensity of workers, and improves the degree of mechanization of concrete maintenance.

Description

A multi-functional reciprocating spray spray dust suppression maintenance trolley

technical field

The invention belongs to the field of tunnel maintenance trolleys, and in particular relates to a multifunctional back-and-forth spray and dust reduction maintenance trolley.

Background technique

As the proportion of railway and highway tunnels is getting higher and higher, the requirements for the quality of tunnel construction are also getting higher and higher. In the pouring of the second lining of the tunnel, the strength of the concrete directly determines the safety and life of the tunnel. As the preparatory stress structure of the tunnel, the second lining plays a great role in the durability of the tunnel. In order to meet the function of the tunnel, the tunnel’s Second-lined concrete structures are also becoming increasingly important.

In the prior art, the chassis of the tunnel maintenance vehicle generally adopts the walking mode of steel wheels and rails. For example, a reciprocating self-propelled automatic maintenance trolley disclosed by the publication number CN108442947A, this structure is inconvenient to walk and needs to rely on the rails , the track needs to be laid to move forward; the entire trolley needs to move back and forth together during spraying maintenance, and local forward and backward movement cannot be realized; the bracket cannot be stretched and retracted so that it cannot pass under the front second lining trolley, and the second lining trolley in the initial stage cannot be maintained in time. Lining section.

Contents of the invention

In order to solve the problem of cracks caused by untimely maintenance of the concrete surface of the secondary lining of the existing tunnel, the present invention further provides a multifunctional reciprocating spraying and dust-reducing maintenance trolley.

The present invention provides the following technical solutions: a multi-functional back-and-forth spraying and dust-reducing maintenance trolley, comprising a main body frame, a walking mechanism arranged at the bottom of the main body frame, a spraying and spraying system arranged on the main body frame, The spraying system includes a water tank and a water delivery pipeline installed on the main body frame, and the water delivery pipeline is connected to the water tank; the water delivery pipeline includes arc-shaped pipelines arranged forward and backward along the length direction of the main body frame and transition pipelines for connecting the arc-shaped pipelines, The shape of the arc-shaped pipeline conforms to the profile of the tunnel section, and multiple nozzles are arranged on the arc-shaped pipeline; the top of the main frame is equipped with a maintenance trolley that can slide along the length of the main frame The length direction of the pole beam is parallel, the length of the pole beam is longer than the length of the main vehicle frame, and an arc-shaped pipeline is arranged at the front and rear beam ends of the pole beam.

Further, the top of the main body frame is provided with an anti-derailment and two running rails parallel to the length direction of the main body frame. The C-shaped deck on the maintenance trolley is clamped on the anti-derailment rail, and the rollers on the deck contact the top and bottom surfaces of the anti-derailment in a rolling manner; the maintenance trolley is connected to the traction mechanism on the main frame.

Further, the beam end of the pole beam is provided with a cross beam perpendicular to it, and the two ends of the cross beam are connected with the arc-shaped pipeline, and vertical rods are distributed between the cross beam and the arc-shaped pipeline.

Further, the traction mechanism includes sprockets arranged at both ends of the running rail, and the two sprockets are connected by a chain, and some links of the chain are connected with the maintenance trolley, and one of the sprockets is connected with the torque input element.

Further, the main body frame includes a door-shaped bracket and two raised brackets on the top of the door-shaped bracket, and the two running rails are respectively fixed on the top of the two raised brackets, and the two raised brackets are connected by a sunken bracket , the anti-derailment rail is fixed in the pit of the sunken bracket.

Further, maintenance workbenches are arranged in layers on both sides of the door-shaped support, and the maintenance workbench is hinged with the door-shaped support. Diagonal braces are connected between the maintenance workbench and the door-shaped support. Table and door frame hinged.

Further, the traveling mechanism includes four independent traveling wheels, and the four traveling wheels are installed at the four corners of the bottom of the main vehicle frame, two of which are driving traveling wheels and two are driven traveling wheels, and the wheel frame of the driving traveling wheels is connected with the main vehicle. The slewing seat on the frame is connected, and a steering oil cylinder is connected between the slewing seat and the main body frame. The driving wheel is connected with the forward and reverse motor on the wheel frame, and the wheel frame of the driven wheel is fixed on the main body frame.

Further, infrared laser ranging sensors are installed on the four traveling wheels.

Compared with the prior art, the present invention has the advantages of:

The invention has simple structure, novel and reasonable design, and is easy to maintain and maintain. The design of the maintenance trolley and the arc pipeline can make the maintenance trolley only run the upper maintenance trolley back and forth when it is parked, and the nozzle on the arc pipeline can Going back and forth on the established track, the longitudinal working range reaches 12 meters, which avoids the safety hazards caused by the long-term back and forth driving of the maintenance trolley to passing vehicles and construction personnel, greatly reduces the labor intensity of workers, and improves the mechanization of concrete maintenance. Promote application value. And after the second lining is completed, the maintenance trolley and the curved pipeline can follow up in time to maintain the second lining section in the initial stage in time.

Description of drawings

Figure 1 is a front view of the maintenance trolley.

Fig. 2 is an enlarged view of point A in Fig. 1 .

Fig. 3 is a side view of the maintenance trolley.

Figure 4 is a schematic diagram of the maintenance trolley working to the front end.

Fig. 5 is a schematic diagram of the maintenance trolley working to the rear end.

In the figure: 1-main body frame; 2-water tank; 3-arc pipeline; 4-nozzle; 5-maintenance trolley; Sinking support; 11-maintenance workbench; 12-diagonal strut; 13-traveling wheel; 14-steering cylinder; 15-forward and reverse motor; 16-infrared laser ranging sensor; 17-beam; .

Detailed ways

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

As shown in Figures 1 to 5: a multi-functional reciprocating spray spray dust reduction maintenance trolley, including a main body frame 1, a walking mechanism arranged at the bottom of the main body frame 1, and a spray spraying device installed on the main body frame. system, the deluge spraying system includes a water tank 2 and a water delivery pipeline installed on the main body frame 1, the water delivery pipeline is connected to the water tank 2; The transition pipeline connected to the arc pipeline 3, the shape of the arc pipeline 3 conforms to the profile of the tunnel section, and a plurality of nozzles 4 are arranged on the arc pipeline 3.

The top of the main body frame 1 is provided with a maintenance trolley 5 that can slide along the length direction of the main body frame 1. The maintenance trolley 5 is provided with a pole beam 6 parallel to the length direction of the main body frame 1. The length of the pole beam 6 is longer than that of the main body vehicle. The length of the frame 1, the front and rear beam ends of the shoulder pole beam 6 are respectively provided with an arc pipeline 3.

The top of the main body frame 1 is provided with an anti-derailment rail 7 and two running rails 8 parallel to the length direction of the main body frame 1. The running rails 8 are used to support the maintenance trolley 5, and the anti-detachment rails 7 are used to prevent the maintenance trolley 5 from traveling on the rails. 8 drops. The anti-derailment 7 is set in the center, two running rails 8 are left and right, and the single side of the anti-derailment 7 is connected with the main body frame 1; C-shaped deck 9 clamps on the anti-derailment 7, and the roller on the deck 9 contacts with the top surface and the bottom surface of the anti-derailment 7 in rolling form;

The beam end of the pole beam 6 is provided with a beam 17 perpendicular thereto. The uprights 18 and the beams 17 jointly support the arc-shaped pipeline 3 of the ring structure.

The traction mechanism includes sprockets arranged at both ends of the running rail 8, the two sprockets are connected by a chain, and some chain links of the chain are connected with the maintenance trolley 5, and one of the sprockets is connected with the torque input element. The torque input element is a 1.5KW motor.

The main body frame 1 includes a door-shaped bracket 1.1 and two raised brackets 1.2 on the top of the door-shaped bracket 1.1. Two running rails 8 are respectively fixed on the tops of the two raised brackets 1.2. The sinking support 10 is connected, and the anti-derailment rail 7 is fixed in the pit of the sinking support 10 . The water tank 2 is arranged on the bottom longitudinal beam of the portal support 1.1, which can reduce the overall center of gravity of the maintenance trolley, and can increase the operating space on the top of the maintenance trolley to ensure the normal operation of the spraying and spraying work.

Both sides of the door-shaped bracket 1 are provided with maintenance workbenches 11 in layers to meet the needs of concrete maintenance in the tunnel. The maintenance workbench 11 is hinged with the door-type support 1, and there are diagonal braces connected between the maintenance workbench 11 and the door-type support 1. Rod 12, the two ends of diagonal strut 12 are hinged with maintenance workbench 11 and door type support 1.

The traveling mechanism includes four independent traveling wheels 13, and the four traveling wheels 13 are installed at the bottom four corners of the main vehicle frame 1. Specifically, a traveling wheel 13 is respectively installed at the bottom of the four columns of the portal frame 1. Two of them are driving traveling wheels, and two are driven traveling wheels. The two driving traveling wheels are responsible for providing traction and steering. 1 is connected with a steering oil cylinder 14. When the steering oil cylinder 14 expands and contracts, it pushes the slewing seat to rotate, drives the road wheel to turn, and the driving road wheel is connected with the forward and reverse motor 15 on the wheel frame. The wheel frame of the driven road wheel is fixed on the main vehicle. Rack 1. The forward and reverse motor 15 adopts a 2KW soft-start deceleration motor, and the walking speed is 20 meters/min.

Infrared laser ranging sensors 16 are installed on the four walking wheels 13, and the infrared laser ranging sensors 16 are connected to the control circuit of the forward and reverse motor 15, and the vehicle can stop immediately when an obstacle is detected in the walking section. The safety accidents during the driving of the maintenance trolley are avoided, and the labor intensity of the workers is greatly reduced.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A multifunctional reciprocating type spraying, dust falling and maintaining trolley comprises a main body frame (1), a travelling mechanism arranged at the bottom of the main body frame (1), and a spraying and atomizing system arranged on the main body frame, wherein the spraying and atomizing system comprises a water tank (2) and a water conveying pipeline arranged on the main body frame (1), and the water conveying pipeline is connected with the water tank (2); the water conveying pipeline comprises arc pipelines (3) arranged in the front and at the back along the length direction of the main frame (1) and transition pipelines used for connecting the arc pipelines (3), the shape of the arc pipelines (3) is in accordance with the profile of the cross section of the tunnel, and a plurality of spray heads (4) are distributed on the arc pipelines (3);

the method is characterized in that: the maintenance trolley is characterized in that a maintenance trolley (5) capable of sliding along the length direction of the main body frame (1) is arranged at the top of the main body frame (1), a carrying pole beam (6) parallel to the length direction of the main body frame (1) is arranged on the maintenance trolley (5), the length of the carrying pole beam (6) is larger than that of the main body frame (1), and arc-shaped pipelines (3) are respectively arranged at the front beam end and the rear beam end of the carrying pole beam (6).

2. The multifunctional reciprocating spraying and atomizing dust settling maintenance trolley according to claim 1, characterized in that: the anti-derailment bicycle is characterized in that the top of the main body frame (1) is provided with an anti-derailment rail (7) and two traveling rails (8) which are parallel to the length direction of the main body frame (1), the anti-derailment rail (7) is arranged in the middle, and the single side surface of the anti-derailment rail is connected with the main body frame (1); two rows of pulleys on the maintenance trolley (5) are respectively matched with two traveling rails (8), a C-shaped clamping seat (9) on the maintenance trolley (5) is clamped on the anti-derailment rail (7), and rollers on the clamping seat (9) are in contact with the top surface and the bottom surface of the anti-derailment rail (7) in a rolling mode; the maintenance trolley (5) is connected with a traction mechanism on the main body frame (1).

3. The multi-functional reciprocating type sprays dust fall maintenance platform truck of claim 2 characterized in that: a crossbeam (17) vertical to the carrying pole beam (6) is arranged at the beam end of the carrying pole beam, two ends of the crossbeam (17) are connected with the arc-shaped pipeline (3), and upright rods (18) are distributed between the crossbeam (17) and the arc-shaped pipeline (3).

4. The multi-functional reciprocating type sprays dust fall maintenance platform truck of claim 2 characterized in that: the traction mechanism comprises chain wheels arranged at two ends of the walking rail (8), the two chain wheels are connected through a chain, partial chain links of the chain are connected with the maintenance trolley (5), and one chain wheel is connected with a torque input element.

5. The multifunctional reciprocating spraying and atomizing dust settling maintenance trolley according to claim 4, characterized in that: the main body frame (1) comprises a door-shaped support (1.1) and two lifting supports (1.2) at the top of the door-shaped support (1.1), two traveling rails (8) are respectively fixed at the tops of the two lifting supports (1.2), the two lifting supports (1.2) are connected through a sunken support (10), and an anti-derailment rail (7) is fixed in a pit of the sunken support (10).

6. The multi-functional reciprocating type sprays dust fall maintenance platform truck of claim 5 characterized by: maintenance work tables (11) are arranged on two sides of the door-shaped support (1) in a layered mode, the maintenance work tables (11) are hinged to the door-shaped support (1), inclined supporting rods (12) are connected between the maintenance work tables (11) and the door-shaped support (1), and two ends of each inclined supporting rod (12) are hinged to the maintenance work tables (11) and the door-shaped support (1).

7. The multi-functional reciprocating type spraying and spraying dust-settling maintenance trolley according to claim 1 or 5, characterized in that: running gear include four independent walking wheels (13), four walking wheels (13) are installed in main part frame (1) bottom four corners, wherein two are driven walking wheel, driven walking wheel's wheel carrier links to each other with the roating seat on main part frame (1), be connected with steering cylinder (14) between roating seat and main part frame (1), driven walking wheel links to each other with positive reverse motor (15) on the wheel carrier, driven walking wheel's wheel carrier is fixed on main part frame (1).

8. The multi-functional reciprocating type sprays spraying dust fall maintenance platform truck of claim 7 characterized in that: and the four walking wheels (13) are all provided with infrared laser ranging sensors (16).

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