Separating type movable screw dismounting machine tool suitable for dual-mode shield mode conversion

Abstract

The utility model provides a separating type movable screw dismounting machine tool suitable for dual-mode shield mode conversion, and belongs to the technical field of tunnel construction equipment, the separating type movable screw dismounting machine tool comprises a movable hanging bracket and a fixed hanging bracket, the movable hanging bracket and the fixed hanging bracket are respectively provided with a plurality of first hanging pieces and second hanging pieces, and the first hanging pieces and the second hanging pieces are arranged on the movable hanging bracket and the fixed hanging bracket. The first lifting piece and the second lifting piece are fixedly connected with a plurality of lifting positions of the screw conveyor through the pull rope, through the design of multi-point balanced stress, it can be guaranteed that all connecting points are always kept in accurate alignment during lifting operation, concentrated loads are evenly distributed to a plurality of positions, structural internal force is reduced, and risks in the screw conveyor dismounting and mounting process are further reduced; components in the movable hanging bracket and the fixed hanging bracket are connected through bolts, the tool installation time is shortened, rapid switching of the dual-mode shield tunneling mode is achieved, the device can be suitable for a tunnel hole with space limitation, and the construction period is shortened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tunnel construction equipment technical field, especially be related to a detachable movable screw machine tool suitable for double mode shield mode conversion. BACKGROUND

[0002] In urban rail transit engineering construction, the track line is crisscrossed, and passes through different landform stratum units. Shield construction often encounters various construction difficulties in these strata. With the accumulation of experience in TBM, slurry and earth pressure shield tunneling technology and the increasing understanding of several types of shield machines, the design concept of multi-mode shield machines suitable for different stratum construction environments has emerged, including earth pressure mode / TBM mode shield machine, slurry mode / earth pressure mode shield machine, earth pressure balance / slurry mode shield machine, slurry type / TBM mode shield machine, etc.

[0003] For the mode conversion of the earth pressure mode / TBM double mode shield machine, the screw machine and the belt conveyor need to be disassembled and installed with the help of a screw machine tool. The existing screw machine tool connects each component with a weld. Due to the limited space in the tunnel, the high requirements of the screw machine tool welding process, and other reasons, the welding time in the tunnel is longer, which becomes a controlling operation in the mode conversion construction process, making it difficult to shorten the mode conversion time and seriously affecting the construction period. UTILITY MODEL CONTENTS

[0004] In view of the above problems in the prior art, the utility model aims to provide a detachable movable screw machine tool suitable for double mode shield mode conversion, which solves the problem of long welding time in the tunnel and serious impact on the construction period caused by the weld connection between each component of the existing screw machine tool.

[0005] In order to achieve the above utility model purposes, the utility model adopts the following technical solutions:

[0006] A detachable movable screw machine tool suitable for double mode shield mode conversion is provided, which comprises:

[0007] A mobile hanger, the mobile hanger comprises a mobile trolley, two first vertical columns are vertically arranged on the mobile trolley, the two first vertical columns are symmetrically arranged along the width direction of the mobile trolley, a first cross beam is arranged between the top parts of the two first vertical columns, and a plurality of first hangers are arranged on the first cross beam along the length direction of the first cross beam;

[0008] The fixed hanger is arranged on one side of the movable hanger, is arranged close to the direction of the end of the spiral machine head, and comprises two second vertical columns and two supporting vertical columns.

[0009] Further, the movable trolley comprises a trolley body, a plurality of movable casters are arranged on the bottom of the trolley body, a supporting platform is arranged on the top of the trolley body, the supporting platform comprises two bottom rail beams, the two bottom rail beams are symmetrically arranged along the width direction of the movable trolley, and a first vertical column is arranged on the middle part of each bottom rail beam.

[0010] Further, a first inclined support rod and a second inclined support rod are arranged on the two sides of each first vertical column, the top end of each first inclined support rod is detachably connected with the middle upper part of the outer wall of the first vertical column, and the bottom end of each first inclined support rod is detachably connected with the end part of the bottom rail beam.

[0011] Each second inclined support rod is located between the first inclined support rod and the first vertical column, and the two ends of each second inclined support rod are detachably connected with the side wall of the first vertical column and the bottom rail beam.

[0012] Further, the first inclined support rod and the second inclined support rod located on the side of the first vertical column are arranged in parallel with each other.

[0013] Further, three first lifting members are uniformly arranged on the first horizontal beam along the length direction of the first horizontal beam, and the three first lifting members are used for being connected with the middle part of the spiral machine through a pull rope.

[0014] Further, a third inclined support rod is arranged on one side of each second vertical column, and the two ends of the third inclined support rod are detachably connected with the side wall of the second vertical column and the main beam of the assembling machine.

[0015] Further, two second lifting members are arranged on the second horizontal beam along the length direction of the second horizontal beam, and the two second lifting members are used for being connected with the front end of the spiral machine through a pull rope.

[0016] Further, the detachable connection is a bolt connection.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. The utility model relates to a detachable movable dismounting screw machine tool for double mode shield mode conversion, through setting up mobile hanger and fixed hanger, and setting up a plurality of first hangers and second hangers on mobile hanger and fixed hanger respectively, and through the pull rope, the first hanger and the second hanger are fixedly connected with a plurality of hangers of the screw machine, the setting of a plurality of first hangers and second hangers is used for dispersing hoisting load, reduces the maximum pressure value that crossbeam bears, simultaneously reduces the degree of crossbeam bending deformation. The mobile trolley carries three-point hoisting system and can freely move in narrow channel. Through the design of balanced stress of multiple points, it can ensure that each connecting point always keeps accurate alignment during hoisting operation, evenly distributes concentrated load to multiple positions, reduces internal force of structure and further reduces the risk in the dismounting process of screw machine.

[0019] 2. The utility model relates to a detachable movable dismounting screw machine tool for double mode shield mode conversion, the connection of the components in mobile hanger and fixed hanger all adopts bolt connection, reduces the time of tool installation and removal, realizes the quick conversion of double mode shield mode, can be applicable to the tunnel hole of space limitation, and speeds up construction period. DRAWINGS

[0020] Figure 1 It is a working state structural diagram of detachable movable dismounting screw machine tool suitable for double mode shield mode conversion.

[0021] Figure 2 It is a side view structural diagram of mobile hanger.

[0022] Figure 3 It is a front view structural diagram of two first vertical columns.

[0023] Figure 4 It is a side view structural diagram of fixed hanger.

[0024] Figure 5 It is a front view structural diagram of two second vertical columns.

[0025] Among them, 1, mobile hanger, 2, mobile trolley, 3, first vertical column, 4, first crossbeam, 5, first hanger, 6, fixed hanger, 7, second vertical column, 8, support vertical column, 9, second crossbeam, 10, second hanger, 11, support platform, 12, first inclined strut, 13, second inclined strut, 14, third inclined strut, 15, screw machine, 16, assembly machine main beam. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model are described below, so that the person skilled in the art can understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific embodiments, and for the person skilled in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the appended claims, these changes are obvious, and all the inventions and creations using the concept of the utility model are within the scope of protection.

[0027] As Figures 1-5 The utility model provides a kind of movable disassembly screw machine tooling suitable for double mode shield mode conversion, it includes:

[0028] Mobile hanger 1, the mobile trolley 2 of mobile hanger 1, two first columns 3 are vertically arranged on the mobile trolley 2, two first columns 3 are symmetrically arranged along the width direction of mobile trolley 2, and a first crossbeam 4 is arranged between the top of two first columns 3, and a plurality of first hangers 5 are arranged on the first crossbeam 4 along the length direction of it;

[0029] Fixed hanger 6, the fixed hanger 6 is arranged at one side of mobile hanger 1, and the fixed hanger 6 is arranged close to the head end direction of screw machine 15, and the fixed hanger 6 includes two second columns 7 and two support columns 8;The bottom of two second columns 7 is detachably connected with the main beam 16 of assembling machine, a second crossbeam 9 is arranged between the top of second column 7, and a plurality of second hangers 10 are arranged on the second crossbeam 9 along the length direction of it;The top of two support columns 8 is detachably connected with the main beam 16 of assembling machine.

[0030] As Figure 1 Screw machine 15 is heavy, and the limited space in tunnel hole does not have the hoisting condition of large-scale machinery crane, and the movable disassembly screw machine tooling for double mode shield mode conversion in the utility model is arranged by mobile hanger 1 and fixed hanger 6, and a plurality of first hangers 5 and second hangers 10 are arranged on mobile hanger 1 and fixed hanger 6 respectively.When mode conversion, first hanger 5 and second hanger 10 are fixedly connected with a plurality of lifting positions of screw machine 15 by pulling rope, and the setting of a plurality of first hangers 5 and second hangers 10 is used to disperse hoisting load, to reduce the maximum pressure value borne by crossbeam, while reducing the degree of crossbeam bending deformation.Through the design of balanced stress at multiple points, it can ensure that each connecting point is always accurately aligned during hoisting operation, evenly distributes concentrated load to multiple positions, reduces internal force of structure, and further reduces the risk in the disassembly process of screw machine 15.

[0031] Specifically, as Figure 1 And Figure 2As shown, as a specific setting mode of the mobile trolley 2, the mobile trolley 2 comprises a trolley body, the bottom of the trolley body is provided with a plurality of mobile casters, the top of the trolley body is provided with a support platform 11, the support platform 11 is made of a bottom rail beam, the support platform 11 comprises two bottom rail beams, the two bottom rail beams are symmetrically arranged along the width direction of the mobile trolley 2, and the middle part of each bottom rail beam is provided with a first vertical column 3, and the bottom of each first vertical column 3 is detachably connected with the middle part of the bottom rail beam. When the screw machine 15 is removed, the bolt connecting the front joint bearing of the screw machine 15 with the main drive connecting plate needs to be removed, the screw machine 15 is pulled out from the middle part and placed on the mobile trolley 2, and then the mobile trolley 2 transports the screw machine 15 to the reserved area, and the removal work of the screw machine 15 is completed. The arrangement of the mobile trolley 2 facilitates the transportation of the screw machine 15.

[0032] Further, as shown in Figure 3 each of the first vertical columns 3 is provided with a first inclined strut 12 and a second inclined strut 13 on both sides, the top end of each of the first inclined struts 12 is detachably connected with the middle upper part of the outer wall of the first vertical column 3, and the bottom end of each of the first inclined struts 12 is detachably connected with the end of the bottom rail beam;

[0033] each of the second inclined struts 13 is located between the first inclined strut 12 and the first vertical column 3, and the two ends of each of the second inclined struts 13 are detachably connected with the side wall of the first vertical column 3 and the bottom rail beam. Specifically, the first inclined strut 12 and the second inclined strut 13 located on one side of the first vertical column 3 are arranged in parallel with each other. The arrangement of the first inclined strut 12 and the second inclined strut 13 strengthens the structural strength of the first vertical column 3 and improves the stress performance. The included angle between the first inclined strut 12, the second inclined strut 13 and the first vertical column 3 is determined according to actual needs.

[0034] Further, three first lifting members 5 are uniformly arranged on the first horizontal beam 4 along the length direction, and the three first lifting members 5 are connected with the middle part of the screw machine 15 through a pull rope. The arrangement of the three first lifting members 5 can disperse the stress, reduce the maximum principal stress and deformation of the first horizontal beam 4, and ensure the stability of the lifting point position.

[0035] Further, as shown in Figure 4 and Figure 5 each of the second vertical columns 7 is provided with a third inclined strut 14 on one side, and the two ends of the third inclined strut 14 are detachably connected with the side wall of the second vertical column 7 and the main beam 16 of the assembling machine. After the third inclined strut 14 is connected with the main beam 16 of the assembling machine, a stable triangular support is formed among the third inclined strut 14, the second vertical column 7 and the main beam 16 of the assembling machine. The arrangement of the third inclined strut 14 strengthens the structural strength of the second vertical column 7 and improves the stress performance. The included angle between the third inclined strut 14 and the second vertical column 7 is determined according to actual needs.

[0036] Specifically, two second hangers 10 are arranged on the second cross beam 9 along the length direction of the second cross beam 9, and the two second hangers 10 are used for being connected with the front end of the screw machine 15 through a pull rope. The arrangement of the two second hangers 10 can disperse the stress, reduce the maximum principal stress and deformation of the second cross beam 9, and ensure the stability of the lifting point position.

[0037] Further, the detachable connection is a bolt connection, and in order to ensure the strength of the bolt connection, a 10.9 high-strength bolt with a diameter of 20 mm is adopted.

[0038] In summary, the utility model discloses a kind of movable dismounting screw machine tool for double mode shield mode conversion, and the connection of component in mobile hanger 1 and fixed hanger 6 is all adopted bolt connection, reduce the time of tool installation, realize the quick conversion of double mode shield mode, can be applicable to the tunnel hole in space limited, speed up construction period.

Claims

1. A detachable, movable screw-removing machine tooling suitable for dual-mode shield tunneling mode conversion, characterized in that, include: A mobile gantry, comprising a mobile trolley, on which two first columns are vertically arranged, the two first columns being symmetrically arranged along the width direction of the mobile trolley, and a first crossbeam being arranged between the tops of the two first columns, with a plurality of first lifting components arranged along the length direction of the first crossbeam. A fixed hanger is provided on one side of the movable hanger, with the fixed hanger positioned near the head end of the screw conveyor. The fixed hanger includes two second columns and two supporting columns. The bottom of the two second columns is detachably connected to the main beam of the assembly machine, and a second crossbeam is provided between the tops of the second columns. Multiple second lifting components are provided on the second crossbeam along its length. The tops of the two supporting columns are detachably connected to the main beam of the assembly machine.

2. The detachable movable screw-removing machine tooling suitable for dual-mode shield tunneling mode conversion according to claim 1, characterized in that, The mobile trolley includes a trolley body, with multiple casters at the bottom and a support platform at the top. The support platform includes two bottom rail beams, which are symmetrically arranged along the width of the mobile trolley. Each bottom rail beam has a first column at its center, and the bottom of each first column is detachably connected to the center of the bottom rail beam.

3. The detachable movable screw-removing machine tooling for dual-mode shield tunneling mode conversion according to claim 2, characterized in that, Each of the first columns is provided with a first diagonal brace and a second diagonal brace on both sides. The top of each first diagonal brace is detachably connected to the upper middle outer wall of the first column, and the bottom of each first diagonal brace is detachably connected to the end of the bottom rail beam. Each of the second diagonal braces is located between the first diagonal brace and the first column, and both ends of each second diagonal brace are detachably connected to the side wall of the first column and the bottom rail beam, respectively.

4. The detachable movable screw-removing machine tooling suitable for dual-mode shield tunneling mode conversion according to claim 3, characterized in that, The first and second diagonal braces located on one side of the first column are arranged parallel to each other.

5. The detachable movable screw-removing machine tooling suitable for dual-mode shield tunneling mode conversion according to claim 4, characterized in that, Three first lifting components are evenly spaced along the length of the first crossbeam, and the three first lifting components are connected to the middle of the screw conveyor by a pull rope.

6. The detachable movable screw-removing machine tooling suitable for dual-mode shield tunneling mode conversion according to claim 1, characterized in that, Each of the second columns is provided with a third diagonal brace on one side, and the two ends of the third diagonal brace are detachably connected to the side wall of the second column and the main beam of the assembly machine, respectively.

7. The detachable movable screw unloading machine tooling suitable for dual-mode shield tunneling mode conversion according to claim 6, characterized in that, Two second lifting members are provided on the second crossbeam along its length, and the two second lifting members are connected to the front end of the screw conveyor by a pull rope.

8. The detachable movable screw-removing machine tooling suitable for dual-mode shield tunneling mode conversion according to any one of claims 1 to 7, characterized in that, The detachable connection is a bolted connection.

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