CN113464172A - Integrated arch center mounting vehicle and arch center mounting method thereof - Google Patents

Abstract

An integrated arch center mounting vehicle comprises an arch center mounting vehicle, wherein a hoisting mechanism is arranged on the arch center mounting vehicle; the movable end of the hoisting mechanism is provided with at least one arch frame mounting mechanism, the arch frame mounting mechanism comprises a suspension 1 fixed on the movable end of the hoisting mechanism, the outer side end of the suspension 1 is movably connected with a leveling arm 2, the outer side of the leveling arm 2 is fixedly provided with a swinging seat 3, the extending end of the swinging seat 3 is movably connected with a mechanical arm 4, and the output end of the mechanical arm 4 is provided with a clamp manipulator 5 for clamping an arch frame; a working platform 6 is fixed on the swing seat, and the working platform 6 is positioned between the leveling arm 2 and the mechanical arm 4; the clamp manipulator 5 and the working platform 6 are arranged in an offset mode. According to the invention, the working platform is fixed on the swing seat, so that an operator can stand on the working platform to complete operation nearby, and the offset arrangement of the clamp manipulator and the working platform enables the construction speed to be higher and the construction effect to be better in the clamping and mounting process of the side wall arch centering.

Description

Integrated arch center mounting vehicle and arch center mounting method thereof

Technical Field

The invention relates to the technical field of engineering construction equipment, in particular to an integrated arch center mounting vehicle and an arch center mounting method thereof.

Background

Along with the mechanized people changing and the implementation of automatic reduction rules which are proposed and gradually popularized by the country in the field of engineering construction, in the construction of railway and highway weak surrounding rock tunnels in China, an arch center mounting vehicle is important primary support equipment and gradually replaces the traditional rack vertical arch;

in the steel arch support construction, a clamp mechanical arm is required to clamp each section of steel arch and lift the steel arch to the air for splicing, so that the mechanical arm is required to have multiple degrees of freedom to facilitate air adjustment and alignment; in another working condition, the splicing of the arch frame section positioned at the most lateral side of the whole steel arch frame, namely during the construction of a side wall, the left-right deflection angle of the manipulator must be enlarged. The existing solution is: 1. a left-right deflection mechanism is additionally arranged on the manipulator; 2. and a set of steel wire rope clamping mechanism driven by a hydraulic winch is added to assist the manipulator to complete the vertical wall process. The two solutions not only increase the production cost of the manipulator, but also waste time and labor when in use, and are not very convenient.

Therefore, it is a problem to be solved by those skilled in the art to provide a jig robot that facilitates handling of an arch.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide an integrated arch center mounting vehicle and an arch center mounting method thereof, so that the defects in the background art are overcome.

The purpose of the invention is realized by the following technical scheme:

an integrated arch center mounting vehicle comprises an arch center mounting vehicle, wherein a hoisting mechanism is arranged on the arch center mounting vehicle;

the movable end of the hoisting mechanism is provided with at least one arch frame mounting mechanism, the arch frame mounting mechanism comprises a suspension fixed on the movable end of the hoisting mechanism, the outer side end of the suspension is movably connected with a leveling arm, the outer side of the leveling arm is fixedly provided with a swinging seat, the extending end of the swinging seat is movably connected with a mechanical arm, and the output end of the mechanical arm is provided with a clamp manipulator used for clamping an arch frame; a working platform is fixed on the swinging seat and is positioned between the leveling arm and the mechanical arm; the clamp mechanical arm and the working platform are arranged in an offset mode.

Furthermore, the arm support is connected with the leveling arm through a hinge joint, and a leveling oil cylinder is hinged between the arm support and the leveling arm.

Furthermore, the leveling arm is connected with the swinging seat in a hinged mode, a platform swinging oil cylinder is hinged between the leveling arm and the swinging seat and used for controlling the swinging angle of the swinging seat, and the swinging angle range of the platform swinging oil cylinder is ninety degrees.

Furthermore, the swing seat is connected with the mechanical arm in a hinged mode, an arm pitching oil cylinder is further hinged between the swing seat and the mechanical arm and used for controlling the pitching angle of the mechanical arm, and the pitching angle range of the arm pitching oil cylinder is-10 degrees to 90 degrees.

Further, robotic arm comprises manipulator fixed arm, the flexible arm of manipulator and the flexible hydro-cylinder of manipulator, the flexible arm of manipulator slides and sets up in the manipulator fixed arm, the inside installation cavity that forms of manipulator fixed arm and the flexible arm of manipulator, the flexible hydro-cylinder of manipulator is fixed in the installation cavity, the flexible hydro-cylinder of manipulator is used for controlling the flexible arm's of manipulator flexible stretching out and drawing back.

Further, the fixture manipulator is connected with the mechanical arm through a hinge, a manipulator pitching oil cylinder is hinged between the fixture manipulator and the mechanical arm and used for adjusting the turning angle of the manipulator, and the range of the turning angle is ninety degrees.

Furthermore, the manipulator comprises a clamp arm, at least one group of clamp heads and at least one clamp oil cylinder, wherein the clamp arm is hinged to the movable end of the manipulator arm, the clamp heads are respectively hinged to the opposite outer side walls of the clamp arm, the clamp oil cylinder is fixed to the side wall of the clamp arm, the output end of the clamp oil cylinder is hinged to the driving end of the clamp head, and the clamping end of the clamp head is matched with the arch frame.

Further, the following steps: the working platform and the swinging seat are of an integrated structure, and an operation box is fixed on the working platform; the working platform is of a left-right folding structure, and the expansion of the space of the working platform can be realized after the left side and the right side of the working platform are unfolded.

Furthermore, the working platform and the swinging seat are installed in an offset manner; the working platform comprises a bottom plate fixed on the swing seat, a front fixing frame, a rear fixing frame, a left fixing frame and a right fixing frame are hinged on the bottom plate, a working space is formed among the front fixing frame, the rear fixing frame, the left fixing frame and the right fixing frame, and the operation box is fixed on the front fixing frame; the left fixing frame and the right fixing frame are symmetrical structures with the same structure and can be turned outwards to form an expansion platform; the right fixing frame comprises a right expansion plate hinged on the bottom plate, a limiting frame is hinged on the outer side of the right expansion plate, a limiting rod is hinged on the limiting frame, a hook is fixed at the extending end of the limiting rod, a fixing column penetrates through the hook, and the extending end of the fixing column is respectively screwed on the inner side walls of the front fixing frame and the rear fixing frame; articulated on the relative lateral wall on the spacing frame have first spacing piece, it has the spacing piece of second to articulate on the inside wall of preceding mount and after-fixing frame, the extending end of first spacing piece is fixed with the hinged joint, the rectangular hole has been seted up to the extending end of the spacing piece of second, the hinged joint slides and sets up in rectangular downthehole.

An arch center mounting method using an integrated arch center mounting vehicle comprises the following steps:

step one, backing an arch center mounting vehicle to a proper distance, and opening a hoisting mechanism to enter a working state;

step two, manually connecting the arch centering of the two units on the ground by bolts, and placing the arch centering in front of or on the side surface of the arch centering installation vehicle, and placing the other unit arch centering in front of or on the other side surface of the arch centering installation vehicle;

moving the arm support on the arch mounting mechanism to the position near the two connected unit arches, clamping the arch units by operating a mechanical arm and a clamp mechanical arm, and lifting;

moving the arm support on the other arch mounting mechanism to the position near the other unit, clamping the arch unit by operating a mechanical arm and a clamp mechanical arm, and lifting;

and fifthly, unfolding the expansion platform on the working platform, and then completing the bolt connection of the arch frame.

The invention has the beneficial effects that:

the integrated arch center mounting vehicle provided by the invention has the advantages that the arch center mounting mechanism is hoisted and driven by the hoisting mechanism, the working platform is fixed on the swinging seat, so that an operator can stand on the working platform to complete the operation nearby, and the fixture manipulator and the working platform are arranged in an offset manner, so that the construction speed is higher and the construction effect is better in the clamping and mounting process of the side wall arch center, and a left-right deflection mechanism or a steel wire rope clamping mechanism is not required to be mounted, so that the production cost of the arch center mounting mechanism is saved; the leveling oil cylinder, the platform swing oil cylinder, the arm pitching oil cylinder, the manipulator telescopic oil cylinder, the manipulator pitching oil cylinder and the clamp oil cylinder in the arch center mounting vehicle drive the corresponding parts in a steering manner, so that the arch center mounting mechanism is convenient to clamp each arc-shaped section of an arch center; work platform adopts beta structure on this bow member installation car for can expand work platform, so that the staff connects fixedly to the bow member of multistage.

Drawings

FIG. 1 is a front cross-sectional view of an arch mounting mechanism on an integrated arch mounting vehicle in accordance with the present invention;

FIG. 2 is a top view of the arch mounting mechanism;

FIG. 3 is a side view of the arch mounting mechanism;

FIG. 4 is a schematic view of the configuration of the arch mounting mechanism when the work platform is not deployed;

FIG. 5 is a schematic view of the arch mounting mechanism after deployment of the work platform;

FIG. 6 is an enlarged view at E in FIG. 5;

FIG. 7 is an enlarged view F of FIG. 6;

FIG. 8 is a schematic view of the arch mounting mechanism in use;

fig. 9 is a schematic structural diagram of an integrated arch installing vehicle according to the present invention.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

In a first embodiment, as shown in fig. 1 to 9, an integrated arch installing vehicle includes an arch installing vehicle, on which a hoisting mechanism is disposed; the movable end of the hoisting mechanism is provided with at least one arch frame mounting mechanism, the arch frame mounting mechanism comprises a suspension 1 fixed on the movable end of the hoisting mechanism, the outer side end of the suspension 1 is movably connected with a leveling arm 2, the outer side of the leveling arm 2 is fixedly provided with a swinging seat 3, the extending end of the swinging seat 3 is movably connected with a mechanical arm 4, and the output end of the mechanical arm 4 is provided with a clamp manipulator 5 for clamping an arch frame; a working platform 6 is fixed on the swinging seat 3, and the working platform 6 is positioned between the leveling arm 2 and the mechanical arm 4; the clamp manipulator 5 and the working platform 6 are arranged in an offset mode. The arch center mounting vehicle and the mechanism thereof are all the prior art, and are not described in detail herein.

Through the technical scheme, the specific implementation mode is as follows: the arch center mounting mechanism is hoisted and driven through the hoisting mechanism, the working platform is fixed on the swing seat, so that an operator can stand on the working platform to complete operation nearby, the clamp mechanical arm and the working platform are arranged in an offset mode, the side wall arch center is clamped and mounted, the construction speed is higher, the construction effect is better, a left deflection mechanism and a right deflection mechanism or a steel wire rope clamping mechanism do not need to be mounted, and the production cost of the arch center mounting mechanism is saved.

In the first embodiment, the method further comprises the following steps: the arm support 1 is connected with the leveling arm 2 through a hinge, and a leveling oil cylinder 7 is hinged between the arm support 1 and the leveling arm 2. In this embodiment, a first hinge point a is formed at a hinge joint of the arm support 1 and the leveling arm 2, and the leveling cylinder is used for controlling a rotation angle of the leveling arm rotating around the first hinge point a.

Through the technical scheme, the specific implementation mode is as follows: the leveling cylinder drives the leveling arm to rotate, so that the swinging seat, the working platform, the mechanical arm and the clamp mechanical arm can rotate and adjust in the vertical direction, or the working platform is leveled, and a worker can stand on the working platform conveniently.

In the first embodiment, the method further comprises the following steps: the leveling arm 2 is connected with the swing seat 3 through hinging, a platform swing oil cylinder 8 is hinged between the leveling arm 2 and the swing seat 3, the platform swing oil cylinder 8 is used for controlling the swing angle of the swing seat, and the swing angle range is ninety degrees. In this embodiment, the second hinge point B is formed at the hinge point of the leveling arm 2 and the swing seat 3, and the platform swing cylinder is used for driving the swing seat to rotate around the second hinge point B by a swing angle in a range of forty degrees inward and fifty degrees outward.

Through the technical scheme, the specific implementation mode is as follows: the swing base is driven to rotate in the horizontal direction through the platform swing oil cylinder, so that a worker or a clamp manipulator can construct and operate the arch frame conveniently.

In the first embodiment, the method further comprises the following steps: swing seat 3 and mechanical arm 4 are connected through articulated between, it has arm every single move hydro-cylinder 9 still to articulate between swing seat 3 and the mechanical arm 4, arm every single move hydro-cylinder 9 is used for controlling the every single move angle of mechanical arm 4, and its every single move angle scope is a hundred degrees. In this embodiment, the arm pitching cylinder is obliquely arranged, a third hinge point C is formed between the swing seat 3 and the mechanical arm 4, the arm pitching cylinder is used for driving the mechanical arm to rotate around the third hinge point C in a pitching direction, and the pitching angle ranges from-10 ° to 90 °.

Through the technical scheme, the specific implementation mode is as follows: the mechanical arm is driven to rotate in the pitching direction through the arm pitching oil cylinder, so that the clamp mechanical arm can carry out construction operation on the arch frame.

In the first embodiment, the method further comprises the following steps: mechanical arm 4 comprises manipulator fixed arm 41, the flexible arm 42 of manipulator and the flexible hydro-cylinder 43 of manipulator, the flexible arm 42 of manipulator slides and sets up in manipulator fixed arm 41, the inside installation cavity that forms of manipulator fixed arm 41 and the flexible arm 42 of manipulator, the flexible hydro-cylinder 43 of manipulator is fixed in the installation cavity, the flexible hydro-cylinder 43 of manipulator is used for controlling the flexible length of the flexible arm 42 of manipulator, and its flexible length is 500 mm. In this embodiment, the manipulator fixing arm is fixed on the swing seat through a bolt, and the manipulator telescopic arm and the manipulator fixing arm are connected in a sliding manner through a sliding block.

Through the technical scheme, the specific implementation mode is as follows: the manipulator telescopic arm is driven by the manipulator telescopic oil cylinder, and the manipulator can be extended and reset by matching with the sliding block.

In the first embodiment, the method further comprises the following steps: the fixture manipulator 5 is connected with the mechanical arm 4 through hinging, a manipulator pitching oil cylinder 10 is further hinged between the fixture manipulator 5 and the mechanical arm 4, the manipulator pitching oil cylinder 10 is used for adjusting the turning angle of the manipulator 5, and the range of the turning angle is ninety degrees. In this embodiment, a fourth hinge point D is formed between the manipulator 5 and the manipulator 4, and the manipulator pitch cylinder is used for driving the clamp manipulator to perform angular deflection around the fourth hinge point D, so that the clamp manipulator clamps each arc-shaped segment of the arch.

Through the technical scheme, the specific implementation mode is as follows: the fixture manipulator is driven by the manipulator pitching oil cylinder, so that the fixture manipulator can deflect by ninety degrees, and construction operation can be carried out on the arch frame.

In the first embodiment, the method further comprises the following steps: the manipulator 5 is composed of a clamp arm 51, at least one group of clamp heads 52 and at least one clamp oil cylinder 53, the clamp arm 51 is hinged to the movable end of the manipulator 4, the clamp heads 52 are respectively hinged to the opposite outer side walls of the clamp arm 51, the clamp oil cylinder 53 is fixed to the side wall of the clamp arm 51, the output end of the clamp oil cylinder 53 is hinged to the driving end of the clamp head 52, and the clamping end of the clamp head 52 is matched with the arch. In the embodiment, the number of the clamp heads is two groups which are opposite in pairs, the specific number of the clamp oil cylinders is four, and the clamp oil cylinders are used for controlling the two opposite clamp heads to clamp or release the arch centering; the clamp head can realize common clamping and independent clamping.

Through the technical scheme, the specific implementation mode is as follows: the clamp head is driven by the clamp oil cylinder so as to carry out construction operation on the arch frame.

In the first embodiment, the method further comprises the following steps: the working platform 6 and the swinging seat 3 are of an integrated structure, and an operation box 61 is fixed on the working platform 6; the working platform 6 is of a left-right folding structure, and the expansion of the space of the working platform can be realized after the left side and the right side of the working platform are unfolded. In this embodiment, the working platform includes a bottom plate 61 fixed on the swing seat, a front fixing frame 62, a rear fixing frame 63, a left fixing frame 64 and a right fixing frame 65 are hinged on the bottom plate 61, a working space is formed among the front fixing frame 62, the rear fixing frame 63, the left fixing frame 64 and the right fixing frame 65, and the operation box is fixed on the front fixing frame 62; the left fixing frame 64 and the right fixing frame 65 are symmetrical structures with the same structure, and can be turned outwards to form an expansion platform; the right fixing frame comprises a right expansion plate 651 hinged to the bottom plate 61, a limiting frame 652 is hinged to the outer side of the right expansion plate 651, a limiting rod 653 is hinged to the limiting frame 652, a hook 654 is fixed to the extending end of the limiting rod 653, a fixing column 655 penetrates through the hook 654, and the extending ends of the fixing column 655 are respectively screwed to the inner side walls of the front fixing frame 62 and the rear fixing frame 63; the last relative lateral wall of spacing 652 is articulated to have first spacing piece 656, it has the spacing piece 657 of second to articulate on the inside wall of preceding mount 62 and back mount 63, the extending end of first spacing piece 656 is fixed with hinged joint 658, the rectangular hole has been seted up to the extending end of the spacing piece 657 of second, hinged joint slides and sets up in rectangular downthehole.

Through the technical scheme, the specific implementation mode is as follows: when needs expand work platform, through expanding right expansion board, then will have spacing frame to expand to the position mutually perpendicular with right expansion board, then expand the gag lever post to the position parallel with right expansion board mutually, then the staff cooperates the use of fixed column and couple to fix the gag lever post, and after expanding, the hinged joint can the extreme position in automatically sliding rectangular hole.

In the first embodiment, the method further comprises the following steps: the working platform 6 and the swinging seat 3 are installed in an offset way. In the embodiment, the working platform and the swing seat are installed in an offset mode instead of a centering mode, and the clamp head of the clamp manipulator is located on the oblique outer side of the working platform in the limit position, so that the installation of the side wall arch frame in the erecting process can be achieved.

An arch center mounting method using an integrated arch center mounting vehicle comprises the following steps:

step one, backing an arch center mounting vehicle to a proper distance, and opening a hoisting mechanism to enter a working state;

step two, manually connecting the arch centering of the two units on the ground by bolts, and placing the arch centering in front of or on the side surface of the arch centering installation vehicle, and placing the other unit arch centering in front of or on the other side surface of the arch centering installation vehicle;

moving the arm support on the arch mounting mechanism to the position near the two connected unit arches, clamping the arch units by operating a mechanical arm and a clamp mechanical arm, and lifting;

moving the arm support on the other arch mounting mechanism to the position near the other unit, clamping the arch unit by operating a mechanical arm and a clamp mechanical arm, and lifting;

and fifthly, unfolding the expansion platform on the working platform, and then completing the bolt connection of the arch frame.

Referring to fig. 8, in another embodiment, the lifting mechanism on the arch mounting vehicle is provided with a first arch mounting mechanism and a second arch mounting mechanism, the structures of the first arch mounting mechanism and the second arch mounting mechanism are identical, but the mechanical arm and the clamp manipulator on the first arch mounting mechanism and the mechanical arm and the clamp manipulator on the second arch mounting mechanism are in a bilateral symmetry structure, so that two groups of arches can be clamped simultaneously, and then the two groups of arches can be fixed by a worker.

The working principle of the invention is as follows:

the leveling cylinder drives the leveling arm to rotate, so that the swinging seat, the working platform, the mechanical arm and the clamp mechanical arm can rotate and adjust in the vertical direction, or the working platform is leveled, and a worker can stand on the working platform conveniently; then, the swing oil cylinder of the platform drives the swing seat to rotate in the horizontal direction; then, the mechanical arm is driven to rotate in the pitching direction through the arm pitching oil cylinder; then, the manipulator telescopic arm is driven by the manipulator telescopic oil cylinder, and the manipulator can extend and reset under the matching use of the sliding block; then, the clamp manipulator is driven by the manipulator pitching oil cylinder, so that the clamp manipulator can deflect by ninety degrees; and then, the clamp head is driven through the clamp oil cylinder, so that the arch frame is clamped.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides an integral type bow member installation car, includes bow member installation car, set up hoisting mechanism on the bow member installation car, its characterized in that:

the movable end of the hoisting mechanism is provided with at least one arch frame mounting mechanism, the arch frame mounting mechanism comprises a suspension (1) fixed on the movable end of the hoisting mechanism, the outer side end of the suspension (1) is movably connected with a leveling arm (2), the outer side of the leveling arm (2) is fixedly provided with a swinging seat (3), the extending end of the swinging seat (3) is movably connected with a mechanical arm (4), and the output end of the mechanical arm (4) is provided with a clamp manipulator (5) for clamping an arch frame; a working platform (6) is fixed on the swinging seat (3), and the working platform (6) is positioned between the leveling arm (2) and the mechanical arm (4); the clamp manipulator (5) and the working platform (6) are arranged in an offset mode.

2. An integrated arch installing vehicle as claimed in claim 1, wherein: the arm support (1) is connected with the leveling arm (2) in a hinged mode, and the leveling oil cylinder (7) is hinged between the arm support (1) and the leveling arm (2).

3. An integrated arch installing vehicle as claimed in claim 1, wherein: the leveling arm (2) is connected with the swing seat (3) through hinging, a platform swing oil cylinder (8) is hinged between the leveling arm (2) and the swing seat (3), the platform swing oil cylinder (8) is used for controlling the swing angle of the swing seat, and the swing angle range is ninety degrees.

4. An integrated arch installing vehicle as claimed in claim 1, wherein: the swing seat (3) is connected with the mechanical arm (4) in a hinged mode, an arm pitching oil cylinder (9) is further hinged between the swing seat (3) and the mechanical arm (4), the arm pitching oil cylinder (9) is used for controlling the pitching angle of the mechanical arm (4), and the pitching angle range is-10 degrees to 90 degrees.

5. An integrated arch installing vehicle as claimed in claim 1, wherein: mechanical arm (4) are by manipulator fixed arm (41), the flexible arm of manipulator (42) and the flexible hydro-cylinder of manipulator (43) constitute, the flexible arm of manipulator (42) slides and sets up in manipulator fixed arm (41), the inside installation cavity that forms of the flexible arm of manipulator (42) of manipulator fixed arm (41), the flexible hydro-cylinder of manipulator (43) are fixed in the installation cavity, the flexible hydro-cylinder of manipulator (43) are used for controlling the flexible of the flexible arm of manipulator (42).

6. An integrated arch installing vehicle as claimed in claim 1, wherein: the fixture manipulator (5) is connected with the mechanical arm (4) through hinging, a manipulator pitching oil cylinder (10) is hinged between the fixture manipulator (5) and the mechanical arm (4), the manipulator pitching oil cylinder (10) is used for adjusting the turning angle of the manipulator (5), and the range of the turning angle is ninety degrees.

7. An integrated arch installing vehicle as claimed in claim 1, wherein: the manipulator (5) comprises a clamp arm (51), at least one group of clamp heads (52) and at least one clamp oil cylinder (53), the movable end of the clamp arm (51) is hinged to the movable end of the manipulator arm (4), the clamp heads (52) are hinged to the opposite outer side wall of the clamp arm (51) respectively, the clamp oil cylinder (53) is fixed to the side wall of the clamp arm (51), the output end of the clamp oil cylinder (53) is hinged to the driving end of the clamp heads (52), and the clamping end of the clamp heads (52) is matched with the arch frame.

8. An integrated arch installing vehicle as claimed in claim 1, wherein: the working platform (6) and the swinging seat (3) are of an integrated structure, and an operation box (61) is fixed on the working platform (6); the working platform (6) is of a left-right folding structure, and the expansion of the space of the working platform can be realized after the left side and the right side of the working platform are unfolded.

9. An integrated arch installing vehicle as claimed in claim 8, wherein: the working platform (6) and the swinging seat (3) are installed in a biased manner; the working platform comprises a bottom plate (61) fixed on the swinging seat, a front fixing frame (62), a rear fixing frame (63), a left fixing frame (64) and a right fixing frame (65) are hinged on the bottom plate (61), a working space is formed among the front fixing frame (62), the rear fixing frame (63), the left fixing frame (64) and the right fixing frame (65), the operation box is fixed on the front fixing frame (6), the left fixing frame (64) and the right fixing frame (65) are of symmetrical structures with consistent structures and can be turned outwards to form an expansion platform, the right fixing frame comprises a right expansion plate (651) hinged on the bottom plate (61), a limiting frame (652) is hinged on the outer side of the right expansion plate (651), a limiting rod (653) is hinged on the limiting frame (652), a hook (654) is fixed at the extending end of the limiting rod (653), and a fixing column (655) penetrates through the hook (654), the extending ends of the fixing columns (655) are respectively screwed on the inner side walls of the front fixing frame (62) and the rear fixing frame (63); spacing (652) go up on the relative lateral wall articulated have first spacing piece (656), it has spacing piece of second (657) to articulate on the inside wall of preceding mount (62) and back mount (63), the extending end of first spacing piece (656) is fixed with hinged joint (658), rectangular hole has been seted up to the extending end of spacing piece of second (657), hinged joint slides and sets up in rectangular downthehole.

10. The arch installing method of an integrated arch installing vehicle as claimed in claims 1 to 9, comprising the steps of:

step one, backing an arch center mounting vehicle to a proper distance, and opening a hoisting mechanism to enter a working state;

step two, manually connecting the arch centering of the two units on the ground by bolts, and placing the arch centering in front of or on the side surface of the arch centering installation vehicle, and placing the other unit arch centering in front of or on the other side surface of the arch centering installation vehicle;

moving the arm support on the arch mounting mechanism to the position near the two connected unit arches, clamping the arch units by operating a mechanical arm and a clamp mechanical arm, and lifting;

moving the arm support on the other arch mounting mechanism to the position near the other unit, clamping the arch unit by operating a mechanical arm and a clamp mechanical arm, and lifting;

and fifthly, unfolding the expansion platform on the working platform, and then completing the bolt connection of the arch frame.

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