1. A method of operating a tunnel arch installing trolley, said tunnel arch installing trolley comprising: the device comprises a portal (1), a bottom cross beam (1.1), hydraulic support legs (1.2), an inner column (1.3), an outer tube (1.4), a portal lifting hydraulic cylinder (1.5), a top frame (1.6), a walking crawler (2), a mounting seat (3), a lateral workbench (4), a lifting mechanism (5), a lifting motor (6), a horizontal moving trolley (7), a horizontal moving motor (7.1), a hoisting mechanism (8), a lifting rod (9), an auxiliary support plate (10), a connecting rod (11), an inserting arm (12), a lifting hydraulic cylinder (13), a control console (14) and a top workbench (15); the method is characterized in that: a pair of walking tracks (2) is arranged below the left side and the right side of a portal frame (1), mounting seats (3) are uniformly distributed between the walking tracks (2) and the lower end of the portal frame (1), the walking tracks (2) are connected with the portal frame (1) into a whole through the mounting seats (3), the walking tracks (2) drive the portal frame (1) to move, three pairs of side workbenches (4) are sequentially arranged on the two sides of the portal frame (1) from top to bottom, a pair of slide rails are arranged on the two sides of the rear end of the portal frame (1), lifting mechanisms (5) are arranged on the slide rails, a pair of lifting motors (6) are arranged on the left side and the right side of the upper surface of the portal frame (1), the lifting motors (6) are in transmission connection with the lifting mechanisms (5), the lifting motors (6) drive the lifting mechanisms (5) to move up and down, a top workbench (15) is arranged between the front end and the rear end of the top end of the portal frame (1), a pair of slide rails (8) is arranged on the top workbench (15), a horizontal moving trolley (7) is arranged on the sliding rail, a horizontal moving motor (7.1) is arranged at the rear end of the top workbench (15), the horizontal moving motor (7.1) is in transmission connection with the pair of horizontal moving trolleys (7), the horizontal moving motor (7.1) drives the pair of horizontal moving trolleys (7) to move back and forth, a lifting rod (9) is arranged on the horizontal moving trolley (7), a connecting rod (11) is arranged between the upper ends of the lifting rods (9) on the pair of horizontal moving trolleys (7), an auxiliary supporting plate (10) is arranged at the upper end of the outer side of the lifting rod (9), an inserting arm (12) is arranged at the upper end of the rear side of the lifting rod (9), a lifting hydraulic cylinder (13) is arranged between one end of the inserting arm (12) close to the lifting rod (9) and the horizontal moving trolley (7), a piston rod of the lifting hydraulic cylinder (13) is arranged on the lower surface of the inserting arm (12), and the lifting hydraulic cylinder (13) drives the lifting rod (9) to move up and down, a hoisting mechanism (8) is arranged on the horizontal moving trolley (7) at one side of the lifting rod (9), and a control console (14) is arranged at one side of the portal (1).

2. A method of operating a tunnel arch installation trolley according to claim 1, characterised in that: the structure of the portal frame (1) is as follows: the two ends of the lower surface of a bottom cross beam (1.1) are provided with hydraulic support legs (1.2), a walking crawler (2) is arranged between a pair of hydraulic support legs (1.2), the walking crawler (2) is parallel to the bottom cross beam (1.1), the walking crawler (2) is connected with the bottom cross beam (1.1) into a whole through a mounting seat (3), at least three pairs of lifting support columns are uniformly distributed on the pair of parallel bottom cross beams (1.1), each lifting support column is formed by arranging an inner column (1.3) in an outer tube (1.4), the lower end of each inner column (1.3) is arranged on the bottom cross beam (1.1), a connecting beam is arranged between the lifting support columns on the bottom cross beam (1.1), a reinforcing beam is arranged between the connecting beam and the outer tubes (1.4) of the lifting support columns, a top frame (1.6) is arranged between the top ends of the outer tubes (1.4) of the at least three pairs of lifting support columns, and a portal lifting hydraulic cylinder (1.5) is arranged on the bottom cross beam (1.1) on one side of the lifting support columns, the tail end of a piston rod of the portal lifting hydraulic cylinder (1.5) is connected with the outer pipe (1.4) into a whole through a connecting piece, the portal lifting hydraulic cylinder (1.5) drives the outer pipe (1.4) of the lifting support column to move up and down, the top workbench (15) is arranged between the front and rear cross beams of the top frame (1.6), the pair of lifting motors (6) are respectively arranged on the cross beams of the left side and the right side of the top frame (1.6), and the lateral workbench (4) is arranged on the outer pipe (1.4) of the lifting support column.

3. A method of operating a tunnel arch installation trolley according to claim 1, characterised in that: the lifting rod (9) is formed by arranging an inner tube in an outer tube, the lower end of the inner tube is arranged on the horizontal moving trolley (7), and the inserting arm (12) is arranged at the upper end of the outer tube of the lifting rod (9).

4. A method of operating a tunnel arch installation trolley according to claim 1, characterised in that: starting a portal lifting hydraulic cylinder (1.5) of a portal (1) according to actual conditions to achieve the purpose of adjusting the height of the portal (1), moving a trolley to a specified position in a tunnel, firstly fixing the lower part of an arch on the wall of the tunnel on a side workbench (4) by a worker, driving a pair of horizontal moving trolleys (7) to move to the rear part of the trolley by a horizontal moving motor (7.1), hoisting an upper arch by a pair of hoisting mechanisms (8) and placing the upper arch on a pair of lifting mechanisms (5), driving the lifting mechanisms (5) to move upwards by a lifting motor (6), extending a pair of insertion arms (12) into the lower part of the upper arch, driving an outer pipe of a lifting rod (9) to move upwards by a lifting hydraulic cylinder (13), lifting the upper arch upwards by the pair of insertion arms (12), conveying the upper arch to a construction surface in front of the outer pipe of the trolley by the pair of horizontal trolleys (7), driving the lifting rod (9) to move upwards again by a lifting oil cylinder (13), and jacking the upper arch to the top surface of the tunnel, fixing the upper arch on the top surface of the tunnel by a worker on a top workbench (15), moving the trolley to the next arch mounting point, and circularly reciprocating according to the steps until all arch mounting tasks are completed.

Background

With the development of national infrastructure, the infrastructure market is flourishing, and the highway and the railway realize the leap-type development, wherein the important components in the construction of the highway and the railway are used for the construction of the tunnel; in the tunnel construction process, the actual problems that the foundation bearing capacity is insufficient and the tunnel is correspondingly unstable and collapses and the like occur in the new stress forming process because no firm foundation support exists are often encountered, the personal safety and the equipment safety are seriously influenced, and the construction progress is hindered; in the actual construction process, the excavation section must be quickly and effectively supported in time in the tunnel excavation process.

At present, in the field of tunnel steel arch construction, the arch is hoisted and spliced by manpower and a crane, so that the construction safety cannot be ensured, the labor intensity is high, the construction efficiency is low, the construction quality is not high, the construction progress is slow, the safety coefficient is low, and the excavated section cannot be effectively supported in time; and the hoisting machinery and the excavation machinery occupy the working space and must be alternately constructed. How to improve the arch center installation efficiency and the construction quality, reduce the labor intensity, and simultaneously ensure the construction safety, which has been a technical problem which is difficult to solve for a long time.

In view of the above, a method of operating a tunnel arch installation trolley has been developed.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides an operation method of a tunnel arch installing trolley, which reduces the difficulty and labor intensity of comprehensive operations such as hoisting, positioning and anchoring of a tunnel steel arch, improves the operation safety and greatly shortens the construction period; the invention can rapidly complete the assembly of the arch centering in the tunnels with different heights, support the excavated surface in time and effectively, and simultaneously, mechanically complete the operation procedures of lifting, moving and the like of the steel arch centering, thereby greatly reducing the labor intensity; the method can meet the same-field operation of tunnel excavation and arch support, save the time for exchanging stations and improve the construction efficiency; the invention has wide application range, strong adaptability and low construction cost, and is suitable for the comprehensive construction operation of tunnel steel arch frame erection, net hanging, spray anchoring and the like.

In order to achieve the purpose, the invention adopts the following technical scheme: a method of operating a tunnel arch installing trolley, said tunnel arch installing trolley comprising: the device comprises a portal frame, a bottom cross beam, hydraulic support legs, an inner column, an outer tube, a portal frame lifting hydraulic cylinder, a top frame, a walking crawler belt, a mounting seat, a lateral workbench, a lifting mechanism, a lifting motor, a horizontal moving trolley, a horizontal moving motor, a hoisting mechanism, a lifting rod, an auxiliary support plate, a connecting rod, an inserting arm, a lifting hydraulic cylinder, a control platform and a top workbench; a pair of walking tracks are arranged below the left side and the right side of the portal frame, mounting seats are uniformly distributed between the walking tracks and the lower end of the portal frame, the walking tracks are connected with the portal frame into a whole through the mounting seats, the walking tracks drive the portal frame to move, three pairs of side working tables are sequentially arranged on the two sides of the portal frame from top to bottom, a pair of slide rails are arranged on the two sides of the rear end of the portal frame, a lifting mechanism is arranged on the slide rails, a pair of lifting motors are arranged on the left side and the right side of the upper surface of the portal frame, the lifting motors are in transmission connection with the lifting mechanism and drive the lifting mechanism to move up and down, a top working table is arranged between the front end and the rear end of the top end of the portal frame, a pair of slide rails are arranged on the top working table, a horizontal moving trolley is arranged on the slide rails, a horizontal moving motor is arranged at the rear end of the top working table, the horizontal moving motor is in transmission connection with the pair of horizontal moving trolley, the horizontal moving trolley is used for driving the pair of horizontal moving trolley to move back and forth, set up the lifter on the horizontal migration dolly, set up the connecting rod between setting up between the upper end of the lifter on a pair of horizontal migration dolly, the outside upper end of lifter sets up supplementary extension board, the rear side upper end of lifter sets up and sets up inserts the arm, it sets up hydraulic cylinder to insert between arm near lifter one end and the horizontal migration dolly, hydraulic cylinder's piston rod sets up in the lower surface of inserting the arm, hydraulic cylinder drives the lifter and reciprocates, set up hoisting machine on the horizontal migration dolly of lifter one side and construct, portal one side sets up the control cabinet.

The structure of the portal is as follows: the lower surface of the bottom cross beam is provided with hydraulic support legs at two ends, the walking crawler is arranged between a pair of hydraulic support legs, the walking crawler and the bottom cross beam are parallel to each other, the walking crawler is connected with the bottom cross beam into a whole through a mounting seat, at least three pairs of lifting support columns are uniformly distributed on the pair of parallel bottom cross beams, each lifting support column is formed by arranging an inner column in an outer tube, the lower end of each inner column is arranged on the bottom cross beam, a connecting beam is arranged between the lifting support columns on the bottom cross beam, a reinforcing beam is arranged between the connecting beam and the outer tube of the lifting support column, a top frame is arranged between the top ends of the outer tubes of the at least three pairs of lifting support columns, a portal lifting hydraulic cylinder is arranged on the bottom cross beam at one side of each lifting support column, the tail end of a piston rod of the portal lifting hydraulic cylinder is connected with the outer tube into a whole through a connecting piece, the portal lifting hydraulic cylinder drives the outer tubes of the lifting support columns to move up and down, and the top working tables are arranged between the cross beams at the front and back of the top frame, a pair of lifting motors are respectively arranged on the cross beams at the left side and the right side of the top frame, and the lateral workbench is arranged on the outer pipe of the lifting support.

The lifting rod is formed by arranging an inner tube in an outer tube, the lower end of the inner tube is arranged on the horizontal moving trolley, and the inserting arm is arranged at the upper end of the outer tube of the lifting rod.

Starting a portal lifting hydraulic cylinder of a portal according to actual conditions to achieve the purpose of adjusting the height of the portal, moving a trolley to a specified position in a tunnel, fixing the lower part of an arch on the wall of the tunnel by a worker on a side workbench, driving a pair of horizontal moving trolleys to move to the rear part of the trolley by a horizontal moving motor, lifting the upper arch by a pair of lifting mechanisms, placing the lifted upper arch on a pair of lifting mechanisms, driving the lifting mechanisms to move upwards to the upper end of the portal by the lifting motor, extending a pair of insertion arms into the lower part of the upper arch, driving an outer pipe of a lifting rod to move upwards by the lifting hydraulic cylinder, lifting the upper arch upwards by the pair of insertion arms, transporting the upper arch to a construction surface in front of the trolley by the pair of horizontal trolleys, driving the outer pipe of the lifting rod to move upwards by the lifting hydraulic cylinder again to lift the upper arch to the top surface of the tunnel, fixing the upper arch on the top surface of the tunnel by the worker on a top workbench, and the trolley moves to the next arch mounting point and circularly reciprocates according to the steps until all arch mounting tasks are completed.

The invention has the beneficial effects that: the invention reduces the difficulty and labor intensity of the comprehensive operation of hoisting, positioning, anchoring and the like of the tunnel steel arch, improves the safety of the operation and greatly shortens the construction period; the invention can rapidly complete the assembly of the arch centering in the tunnels with different heights, support the excavated surface in time and effectively, and simultaneously, mechanically complete the operation procedures of lifting, moving and the like of the steel arch centering, thereby greatly reducing the labor intensity; the method can meet the same-field operation of tunnel excavation and arch support, save the time for exchanging stations and improve the construction efficiency; the invention has wide application range, strong adaptability and low construction cost, is suitable for comprehensive construction operations such as tunnel steel arch frame erection, net hanging, spray anchoring and the like, and does not describe the part in detail as the prior common technology.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic front view of the structure;

FIG. 2 is a side view schematic;

FIG. 3 is a front view of the gantry;

FIG. 4 is a side view schematic of the gantry;

in the figure: the lifting device comprises a portal 1, a bottom cross beam 1.1, hydraulic support legs 1.2, an inner column 1.3, an outer tube 1.4, a portal lifting hydraulic cylinder 1.5, a top frame 1.6, a walking crawler 2, a mounting seat 3, a side workbench 4, a lifting mechanism 5, a lifting motor 6, a horizontal moving trolley 7, a horizontal moving motor 7.1, a hoisting mechanism 8, a lifting rod 9, an auxiliary support plate 10, a connecting rod 11, an inserting arm 12, a lifting hydraulic cylinder 13, a control console 14 and a top workbench 15.

Detailed Description

The present invention will be described in further detail with reference to the following examples and embodiments:

example 1

A pair of walking tracks 2 are arranged below the left side and the right side of a portal frame 1, mounting seats 3 are uniformly distributed between the walking tracks 2 and the lower end of the portal frame 1, the walking tracks 2 are connected with the portal frame 1 into a whole through the mounting seats 3, the walking tracks 2 drive the portal frame 1 to move, three pairs of side workbenches 4 are sequentially arranged on the two sides of the portal frame 1 from top to bottom, a pair of slide rails are arranged on the two sides of the rear end of the portal frame 1, lifting mechanisms 5 are arranged on the slide rails, a pair of lifting motors 6 are arranged on the left side and the right side of the upper surface of the portal frame 1, the lifting motors 6 are in transmission connection with the lifting mechanisms 5, a top workbench 15 is arranged between the front end and the rear end of the top workbench 1, a pair of slide rails 8 are arranged on the top workbench 15, a horizontal moving trolley 7 is arranged on the slide rails, a horizontal moving motor 7.1 is arranged at the rear end of the top workbench 15, and the horizontal moving trolley 7.1 is in transmission connection with the pair of the horizontal moving trolley 7, horizontal migration motor 7.1 drives a pair of horizontal migration dolly 7 back-and-forth movement, set up lifter 9 on the horizontal migration dolly 7, set up connecting rod 11 between setting up between the upper end of lifter 9 on a pair of horizontal migration dolly 7, the outside upper end of lifter 9 sets up auxiliary support board 10, the rear side upper end of lifter 9 sets up and inserts arm 12, it sets up hydraulic cylinder 13 to insert arm 12 to be close to between lifter 9 one end and the horizontal migration dolly 7, hydraulic cylinder 13's piston rod sets up in the lower surface of inserting arm 12, hydraulic cylinder 13 drives lifter 9 and reciprocates, set up hoist and mount mechanism 8 on the horizontal migration dolly 7 of lifter 9 one side, portal 1 one side sets up control cabinet 14.

Example 2

The structure of the portal frame 1 is as follows: the two ends of the lower surface of a bottom beam 1.1 are provided with hydraulic support legs 1.2, a walking crawler 2 is arranged between a pair of hydraulic support legs 1.2, the walking crawler 2 and the bottom beam 1.1 are parallel to each other, the walking crawler 2 is connected with the bottom beam 1.1 into a whole through a mounting seat 3, at least three pairs of lifting support columns are uniformly distributed on the pair of parallel bottom beams 1.1, each lifting support column is composed of an outer tube 1.4 in which an inner column 1.3 is arranged, the lower end of the inner column 1.3 is arranged on the bottom beam 1.1, a connecting beam is arranged between the lifting support columns on the bottom beam 1.1, a reinforcing beam is arranged between the connecting beam and the outer tube 1.4 of the lifting support column, a top frame 1.6 is arranged between the top ends of the outer tubes 1.4 of the at least three pairs of lifting support columns, a portal lifting hydraulic cylinder 1.5 is arranged on the bottom beam 1.1 on one side of the lifting support column, the tail end of a piston rod of the portal lifting hydraulic cylinder 1.5 is connected with the outer tube 1.4 into a whole through a connecting piece, and the portal lifting hydraulic cylinder 1.5 drives the outer tube 1.4 of the portal to move up and down, the top workbench 15 is arranged between the front and rear cross beams of the top frame 1.6, the pair of lifting motors 6 are respectively arranged on the cross beams at the left and right sides of the top frame 1.6, and the side workbench 4 is arranged on the outer tube 1.4 of the lifting support.

Example 3

The lifting rod 9 is formed by arranging an inner pipe in an outer pipe, the lower end of the inner pipe is arranged on the horizontal moving trolley 7, and the inserting arm 12 is arranged at the upper end of the outer pipe of the lifting rod 9.

Example 4

According to the actual situation, the portal lifting hydraulic cylinder 1.5 of the portal 1 is started to achieve the purpose of adjusting the height of the portal 1, the trolley moves to a designated position in the tunnel, a worker firstly fixes the lower part of the arch on the tunnel wall on the side workbench 4, the horizontal moving motor 7.1 drives the pair of horizontal moving trolleys 7 to move to the rear part of the trolley, the pair of hoisting mechanisms 8 hoist the upper arch and then place the upper arch on the pair of lifting mechanisms 5, the lifting motor 6 drives the lifting mechanisms 5 to move upwards to the upper end of the portal 1, the pair of insertion arms 12 extend into the lower part of the upper arch, the lifting hydraulic cylinder 13 drives the outer pipe of the lifting rod 9 to move upwards, the pair of insertion arms 12 lift the upper arch upwards and take away the upper arch, the pair of horizontal trolleys 7 convey the upper arch to the construction surface in front of the trolley, the lifting hydraulic cylinder 13 drives the outer pipe of the lifting rod 9 to move upwards again to lift the upper arch to the top surface of the tunnel, workers on the top workbench 15 fix the upper arch on the top surface of the tunnel, and the trolley moves to the next arch mounting point, and the steps are circularly repeated until all arch mounting tasks are completed.