CN214643266U - Assembled spiral shell machine frock of tearing open suitable for bimodulus shield constructs mode conversion - Google Patents

Abstract

The utility model provides an assembled spiral shell machine frock of tearing open suitable for bimodulus shield constructs mode conversion, it includes two base rail roof beams that the mirror image set up, can dismantle on the base rail roof beam and be connected with main part stand and first supporting member, the first supporting member top can be dismantled and be connected with the auxiliary stand that is parallel with the main part stand, main part stand and auxiliary stand that lie in on same base rail roof beam can be dismantled with the one end of side roof beam respectively and be connected; two main part stands and two auxiliary columns are equallyd divide and are dismantled respectively with the crossbeam both ends and be connected, are equipped with a plurality of on the crossbeam and hang the piece. The problem of each component of current spiral shell machine frock of tearing open adopt welded connection, hinder to shorten mode conversion time is solved, unnecessary welding point has been reduced, and then reduces the time of frock installation, realizes the quick conversion of bimodulus shield structure mode.

Description

Assembled spiral shell machine frock of tearing open suitable for bimodulus shield constructs mode conversion

Technical Field

The utility model relates to a tunnel construction equipment field especially relates to a spiral shell machine frock is torn open to assembled suitable for bimodulus shield constructs mode conversion.

Background

Urban rail transit engineering geological conditions and surrounding environments are increasingly complex and changeable, a single-mode shield is difficult to meet engineering construction requirements, a multi-mode shield is gradually developed and created, mode conversion can be carried out according to engineering geology and hydrological conditions, and the essence of the method is to adjust the supporting mode of an excavation face, a cutter, a slag discharge transportation system and other equipment. The multi-mode shield is combined with a compressed air-open shield, a muddy water-open shield, an earth pressure balance-open shield, a muddy water-earth pressure balance shield and the like, and an open-muddy water-earth pressure balance shield, an open-compressed air-earth pressure balance shield and the like.

The muddy water and soil pressure dual-mode shield machine is initially applied to tunnel engineering construction in China at present, and the shield machine can switch between soil pressure balanced type tunneling and muddy water balanced type tunneling according to soil layers of an actual shield tunnel by configuring a mud circulating system and a double-screw machine mud discharge system when the shield machine works so as to adapt to tunneling of the shield tunnel in a complex section and improve adaptability to complex terrains. In addition to subway tunnels, dual mode shields are also beginning to be used in railway tunnels and coal mine shafts. For example, the main shaft of No. 1 inclined shaft in the mineral area of the Shenhua new street temple passes through the strata with different hardness degrees, and the dual-mode shield tunneling construction with two tunneling modes of earth pressure balance and single shield TBM is adopted.

During the mode conversion process of the earth pressure balance-open type dual-mode shield, the disassembling and the pulling and the installing work of the screw machine and the belt conveyor need to be carried out by means of a screw machine disassembling tool. The components of the existing screw removing machine tool are connected by welding seams, and due to the reasons of limited space in a tunnel, high welding process requirements of the screw removing machine tool and the like, the time consumed by in-tunnel welding is long, the in-tunnel welding becomes controllable operation in the mode conversion construction process, so that the mode conversion time is difficult to shorten, and the construction period is seriously influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem among the prior art, the utility model provides a spiral shell machine frock is torn open to assembled suitable for bimodulus shield constructs mode conversion has solved current each component of spiral shell machine frock of tearing open and has adopted welded connection, hinders the problem that shortens mode conversion time.

In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:

the assembled screw dismounting machine tool suitable for dual-mode shield mode conversion comprises two base rail beams arranged in a mirror image mode, wherein a main body upright post and a first supporting member are detachably connected to the base rail beams, an auxiliary upright post parallel to the main body upright post is detachably connected to the top end of the first supporting member, and the main body upright post and the auxiliary upright post which are positioned on the same base rail beam are respectively detachably connected with one end of a side beam;

two main part stands and two auxiliary columns are equallyd divide and are dismantled respectively with the crossbeam both ends and be connected, are equipped with a plurality of on the crossbeam and hang the piece.

Furthermore, one side of the main upright column, which is far away from the first supporting member, is provided with a first oblique beam and a second oblique beam, and the two ends of the first oblique beam and the two ends of the second oblique beam are respectively detachably connected with the main upright column and the bottom rail beam.

Further, the first oblique beam is parallel to the second oblique beam.

Further, first support member constructs the post including all can dismantling the first post and the second of being connected with the bottom rail roof beam, and first post and second construct and be equipped with first coupling beam between the post, and the second constructs the post and keeps away from the one end of bottom rail roof beam and can dismantle with the main part stand and be connected, and the auxiliary column constructs the column connection with first.

Furthermore, the first structure column is perpendicular to the bottom rail beam, and an included angle between the first structure column and the second structure column is alpha.

Furthermore, the auxiliary upright post comprises a main beam section connected with the cross beam, one end of the main beam section, which is far away from the cross beam, extends to form a connecting section connected with the first structural post, and an included angle between the main beam section and the connecting section is beta.

Furthermore, the two ends of the cross beam are both connected with third oblique beams in a welding mode, and one ends, far away from the cross beam, of the third oblique beams are connected with the main body stand columns or the auxiliary stand columns in a welding mode.

Further, the detachable connection is a bolt connection.

The utility model has the advantages that:

the main part stand, auxiliary column, side roof beam, crossbeam, first supporting member and the components such as bottom rail roof beam of this scheme are connected for dismantling to go on outside the hole with the welding of each component, reduced unnecessary welding point, and then reduced the time of frock installation, realize the quick switching of bimodulus shield structure mode. Each component of the tool is optimized into a standard component with larger difference, the difference between the components is increased, and the error assembly caused by the fact that a worker cannot identify similar components is avoided. Through a plurality of hanging parts, optimize the hoisting point position, will concentrate the load and distribute a plurality of positions, help reducing the structure internal force, reduce spiral shell machine dismouting risk.

Drawings

Fig. 1 is a left side view of an assembled screw dismounting machine tool suitable for dual-mode shield mode conversion.

Fig. 2 is a front view of an assembled screw dismounting machine tool suitable for double-mold shield mode conversion.

Fig. 3 is a top view of an assembled screw dismounting machine tool suitable for dual-mode shield mode conversion.

Fig. 4 is an enlarged view of the hanger at a in fig. 1.

Wherein, 1, a bottom rail beam; 2. a main body column; 3. a first inclined beam; 4. a second inclined beam; 5. a cross beam; 6. a third oblique beam; 7. an auxiliary column; 701. a main beam section; 702. a connecting section; 8. a side beam; 9. a first support member; 901. a first structural column; 902. a second column; 903. a first connecting beam; 10. and a hanging piece.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in figure 1, this scheme provides a spiral shell machine frock is torn open to assembled suitable for bimodulus shield constructs mode conversion, and it includes two foot rail roof beams 1 that the mirror image set up, can dismantle on the foot rail roof beam 1 and be connected with main part stand 2 and first supporting member 9, and the auxiliary column 7 parallel with main part stand 2 can be dismantled and be connected in first supporting member 9 top, and main part stand 2 and auxiliary column 7 that lie in on same foot rail roof beam 1 can be dismantled with the one end of side roof beam 8 respectively and be connected.

As shown in fig. 3 and 4, the two main uprights 2 and the two auxiliary uprights 7 are detachably connected to two ends of the cross beam 5, and three hanging pieces 10 are arranged on the cross beam 5. As shown in fig. 2, both ends of the cross beam 5 are connected with a third oblique beam 6 in a welding manner, and one end of the third oblique beam 6, which is far away from the cross beam 5, is connected with the main body upright 2 or the auxiliary upright 7 in a welding manner.

And two ends of the third oblique beam 6 are respectively welded with the cross beam 5 and the main body upright post 2 or the auxiliary upright post 7, so that the cross beam 5 is welded and reinforced, and the stress performance is improved. The three lifting pieces 10 are uniformly arranged along the length direction of the cross beam 5, stress is dispersed, the maximum main stress and deformation of the cross beam 5 are reduced, and the stability of the lifting point position is ensured.

Specifically, as shown in fig. 1, the first support member 9 includes a first structural column 901 and a second structural column 902, both of which are detachably connected to the bottom rail beam 1, a first connecting beam 903 is disposed between the first structural column 901 and the second structural column 902, one end of the second structural column 902, which is far away from the bottom rail beam 1, is detachably connected to the main body upright 2, and the auxiliary upright 7 is connected to the first structural column 901. The first structural column 901 is perpendicular to the bottom rail beam 1, and an included angle between the first structural column 901 and the second structural column 902 is α. The auxiliary upright post 7 comprises a main beam section 701 connected with the cross beam 5, a connecting section 702 connected with the first structural post 901 extends from one end of the main beam section 701 far away from the cross beam 5, and an included angle between the main beam section 701 and the connecting section 702 is beta.

The included angle α and the included angle β are determined according to actual requirements, and in the embodiment, the included angle β and the included angle α are both 30 °. First post 901, the second post 902 of constituting are connected with first tie-beam 903 welded connection respectively, and the welding of first supporting member 9 can go on outside the hole, becomes first supporting member 9 standard module, is connected through high strength bolt and auxiliary column 7, main part stand 2 and bottom rail roof beam 1, reduces the time of frock installation, realizes the quick conversion of bimodulus shield structure mode. The main beam section 701 and the connecting section 702 are connected in a welding mode, so that the auxiliary upright post 7 becomes a labeling module, the tool installation time is reduced, the rapid switching of a double-mode shield mode is realized, the difference between components is increased, and the assembling error is avoided.

Further, one side that first supporting member 9 was kept away from to main part stand 2 is equipped with first sloping 3 and second sloping 4, and the both ends of first sloping 3 and second sloping 4 are equallyd divide and are do not dismantled with main part stand 2 and bottom rail roof beam 1 and be connected, and first sloping 3 is parallel with second sloping 4. Construct post 902 through first sloping 3, second sloping 4 and second, consolidate main part stand 2, improve the stability of frock structure.

In this embodiment, the detachable connection is a bolt connection, and in order to ensure the connection strength, a 9.8-grade hexagon bolt may be used.

Claims (8)

1. The assembly type screw dismounting machine tool suitable for double-mode shield mode conversion is characterized by comprising two base rail beams (1) arranged in a mirror image mode, wherein a main body upright post (2) and a first supporting member (9) are detachably connected to the base rail beams (1), an auxiliary upright post (7) parallel to the main body upright post (2) is detachably connected to the top end of the first supporting member (9), and the main body upright post (2) and the auxiliary upright post (7) which are positioned on the same base rail beam (1) are detachably connected with one end of a side edge beam (8) respectively;

two main part stand (2) and two auxiliary columns (7) are equallyd divide and do not can dismantle with crossbeam (5) both ends and be connected, it hangs piece (10) to be equipped with a plurality of on crossbeam (5).

2. The assembly type screw dismounting machine tool suitable for double-mold shield mode conversion according to claim 1, wherein a first oblique beam (3) and a second oblique beam (4) are arranged on one side, away from a first supporting member (9), of the main body upright post (2), and two ends of the first oblique beam (3) and two ends of the second oblique beam (4) are detachably connected with the main body upright post (2) and the bottom rail beam (1) respectively.

3. The assembly type screw dismounting machine tool suitable for double-mold shield mode conversion according to claim 2, wherein the first oblique beam (3) is parallel to the second oblique beam (4).

4. The assembly type screw dismounting machine tool suitable for double-mode shield mode conversion according to claim 1, wherein the first supporting member (9) comprises a first structure column (901) and a second structure column (902) which are detachably connected with the bottom rail beam (1), a first connecting beam (903) is arranged between the first structure column (901) and the second structure column (902), one end, far away from the bottom rail beam (1), of the second structure column (902) is detachably connected with the main body column (2), and the auxiliary column (7) is connected with the first structure column (901).

5. The assembly type screw dismounting machine tool suitable for double-mold shield mode conversion according to claim 4, wherein the first structural column (901) is perpendicular to the bottom rail beam (1), and an included angle between the first structural column (901) and the second structural column (902) is alpha.

6. The assembly type screw dismounting machine tool suitable for double-mold shield mode conversion according to claim 4, wherein the auxiliary upright post (7) comprises a main beam section (701) connected with the cross beam (5), a connecting section (702) connected with the first structural post (901) extends from one end, far away from the cross beam (5), of the main beam section (701), and an included angle between the main beam section (701) and the connecting section (702) is β.

7. The assembly type screw dismounting machine tool suitable for double-mold shield mode conversion according to claim 1, wherein both ends of the cross beam (5) are welded with third oblique beams (6), and one ends of the third oblique beams (6) far away from the cross beam (5) are welded with the main body upright column (2) or the auxiliary upright column (7).

8. The assembled type screw machine dismounting tool suitable for double-mold shield mode conversion according to any one of claims 1 to 7, wherein the detachable connection is a bolt connection.

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