Hoisting and turning-over tool for main drive

Abstract

The utility model discloses a hoisting turnover tool for a main drive. Comprising a fastener, a first hoisting seat detachably connected with the upper circumference of a main drive through the fastener, a second hoisting seat detachably connected with the lower circumference of the main drive through the fastener, and a rolling seat arranged in the axial direction of the main drive and detachably connected with the second hoisting seat through the fastener. An arc section used for rolling on the ground is arranged on the rolling seat, and the projection point of the vertex of the arc section on the axis of the main drive is located on one side of the gravity center of the main drive; under the condition that a second hoisting seat is not disassembled, horizontal rotating reversing of a rolling seat can be achieved, the disassembling and assembling operation can be simplified, and the turning efficiency of a main drive is improved; through the special design of the arc section of the roll-over seat, the impact phenomenon in the turn-over direction caused by the change of the gravity center when the main drive turns over by 90 degrees to a vertical state can be avoided, the main drive can be guided to stably turn over by 90 degrees and 180 degrees, and the safety risk and the operation difficulty in the turn-over process can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machines, in particular to a hoisting and turning tool used for main driving. Background Art

[0002] In recent years, with the continuous development of national urban construction and the continuous expansion of tunnel scale, the shield industry has rapidly developed in the direction of large-scale and large-scale. As one of the heaviest core components of the shield machine, the main drive assembly has become a key process in the shield machine assembly stage. The assembly of the main drive is divided into two parts: sub-assembly and general assembly. Due to the different structural designs of the main drive, the main drive often needs to be turned over 180 degrees multiple times during the sub-assembly process to meet the assembly of parts.

[0003] At present, the industry mainly uses turning tools and special equipment to turn the main drive 180°. The use of special equipment for turning the main drive has a complex structure, cumbersome operation and high cost. The turning of the main drive is restricted by the assembly site and is not universal in multiple sites. The use of turning tools for ground rolling 180° turning will produce a huge impact load due to the change of the center of gravity and the heavy weight of the main drive, which is easy to cause damage to the lifting equipment and safety accidents. Utility Model Content

[0004] The utility model provides a lifting turning tool for main drive, so as to solve the technical problem that the existing turning tool generates great inertia or impact load when the main drive turns 180 degrees, which easily causes the damage of the lifting equipment and safety accidents.

[0005] According to one aspect of the utility model, there is provided a lifting and turning tool for a main drive, comprising a fastener, a first lifting seat detachably connected to the upper circumference of the main drive via the fastener, a second lifting seat detachably connected to the lower circumference of the main drive via the fastener, and a rolling seat arranged along the axial direction of the main drive and detachably connected to the second lifting seat via the fastener, wherein the rolling seat is provided with an arc segment for rolling on the ground, and a projection point of the vertex of the arc segment on the axis line of the main drive is located on one side of the center of gravity of the main drive.

[0006] Furthermore, the arc segment is an asymmetric arc.

[0007] Furthermore, the first hanging seat includes a first hanging plate arranged along the axial direction of the main drive, a first connecting block arranged on the first hanging plate for connecting the first radial plane of the main drive, and a second connecting block arranged on the first hanging plate for connecting the second radial plane of the main drive, a first hanging ear is arranged on the first hanging plate, and a plurality of first connecting holes for passing the fastener are opened on the first hanging plate, the first connecting block and the second connecting block.

[0008] Furthermore, a plurality of the first hoisting seats are symmetrically arranged on the upper circumference of the main drive.

[0009] Furthermore, two adjacent first hanging plates are connected by a cross beam.

[0010] Furthermore, a second lifting lug is arranged on the crossbeam.

[0011] Furthermore, the second hanging seat includes a second hanging plate arranged along the axial direction of the main drive, a third connecting block arranged on the second hanging plate for connecting to the first radial plane of the main drive, and a fourth connecting block arranged on the second hanging plate for connecting to the second radial plane of the main drive, the second hanging plate is provided with hanging holes, and the second hanging plate, the third connecting block and the fourth connecting block are provided with a plurality of second connecting holes for passing the fasteners, and the tumbling seat and the second hanging plate are detachably connected via the fasteners.

[0012] Furthermore, the two second hoisting seats are symmetrically arranged on the lower circumference of the main drive.

[0013] Furthermore, the two second hanging plates and / or the two rolling seats are connected by a cross beam.

[0014] Furthermore, the fastener includes a pin, a pin baffle for preventing the pin from slipping, and a baffle bolt for connecting the pin and the pin baffle.

[0015] The utility model has the following beneficial effects:

[0016] When the utility model is used for the lifting and turning tool for the main drive, as shown in FIG. 10( a ), the main drive is supported horizontally and stabilized, and the first lifting seat and the second lifting seat are installed on the main drive; Figure 10(b) to Figure 10(f)As shown in FIG11 , the lifting device is connected to the first lifting seat, the main drive is lifted as a whole, the rolling seat falls on the ground, and the lower end of the main drive smoothly transitions to the ground through the arc segment of the rolling seat, completing a 90° turn to a vertical state. At this time, since the vertex A of the contact point between the arc segment and the ground is located in front of the center of gravity C, the weight of the main drive and the lifting and turning tooling is completely borne by the lifting device, the rolling seat is in contact with the ground but is not subjected to force, and the main drive will not produce an impact along the rolling direction; as shown in FIG11 (a), the lifting device is used to lift the main drive in a vertical state off the ground as a whole, and the rolling seat is removed from the second lifting seat; as shown in FIG11 (b), after the rolling seat is horizontally reversed, the rolling seat is reconnected to the second lifting seat using fasteners; as shown in FIG11 (c), the lifting device lowers the main drive in a vertical state as a whole, so that the vertex A of the arc segment contacts the ground; Figure 12(a) to Figure 12(d) As shown, after the horizontal reversal of the rolling seat, the vertex A of the contact point between the arc segment and the ground is located on the rear side of the center of gravity C, and the lifting equipment continues to be lowered to guide the main drive through the rolling seat to complete the remaining 90° turning, and finally realize the 180° turning operation of the main drive; the rolling seat and the second lifting seat are detachably connected, and the horizontal rotation reversal of the rolling seat is realized without removing the second lifting seat, which can simplify the disassembly and assembly operations and improve the turning efficiency of the main drive; by specially designing the arc segment of the rolling seat, the impact along the turning direction caused by the change of the center of gravity when the main drive turns over from 90° to the vertical state can be avoided, and the main drive can be guided to turn over 90° and 180° smoothly, which can reduce the safety risks and operational difficulties during the turning process.

[0017] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 It is a structural schematic diagram of a lifting and turning tooling for main drive of a preferred embodiment of the utility model;

[0020] Figure 2 It is a side view of the lifting and turning tooling for main drive of the preferred embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the first hanging mount of the preferred embodiment of the utility model;

[0022] Figure 4It is a structural schematic diagram of the second hanging mount of the preferred embodiment of the utility model;

[0023] Figure 5 This is a schematic structural diagram of a tumbling seat according to a preferred embodiment of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the second hanging plate of the preferred embodiment of the utility model;

[0025] Figure 7 It is a structural schematic diagram of an arc segment of a preferred embodiment of the utility model;

[0026] Figure 8 It is a structural schematic diagram of a fastener of a preferred embodiment of the utility model;

[0027] Fig. 9 This is a schematic structural diagram of a crossbeam of a preferred embodiment of the utility model;

[0028] 10 is a schematic diagram of a preferred embodiment of the utility model in which the lifting and turning tool drives the main drive to turn 90° to a vertical state;

[0029] 11 is a schematic diagram of the horizontal reversal of the tumbling seat in the preferred embodiment of the utility model;

[0030] FIG. 12 is a schematic diagram of the hoisting turning tool driving the main drive to turn from a vertical state to 180° according to the preferred embodiment of the utility model.

[0031] Legend:

[0032] 1. First lifting seat; 11. First hanging plate; 111. First lifting ear; 12. First connecting block; 13. Second connecting block; 2. Second lifting seat; 21. Second hanging plate; 211. Lifting hole; 22. Third connecting block; 23. Fourth connecting block; 3. Rolling seat; 31. Arc segment; 4. Fastener; 41. Pin; 42. Pin baffle; 43. Baffle bolt; 5. Crossbeam; 51. Second lifting ear; 52. Connecting plate; 6. Main drive; 61. First radial plane; 62. Second radial plane. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. However, the present invention can be implemented in a variety of different ways as defined and covered below.

[0034] Please also read Figure 1 to Figure 12. The lifting and turning tooling for the main drive of the present embodiment comprises a fastener 4, a first lifting seat 1 detachably connected to the upper circumference of the main drive 6 through the fastener 4, a second lifting seat 2 detachably connected to the lower circumference of the main drive 6 through the fastener 4, and a rolling seat 3 arranged along the axial direction of the main drive 6 and detachably connected to the second lifting seat 2 through the fastener 4, wherein the rolling seat 3 is arranged with an arc segment 31 for rolling on the ground, and a projection point B of the vertex A of the arc segment 31 on the axis line L of the main drive 6 is located on one side of the center of gravity C of the main drive 6.

[0035] When the lifting and turning tool for the main drive of this embodiment is used, as shown in FIG. 10( a ), the main drive 6 is supported horizontally and stabilized, and the first lifting seat 1 and the second lifting seat 2 are installed on the main drive 6; Figure 10(b) to Figure 10(f) As shown, the lifting device is connected to the first lifting seat 1, the main drive 6 is lifted as a whole, the rolling seat 3 falls on the ground, and the lower end of the main drive 6 smoothly transitions to the ground through the arc segment 31 of the rolling seat 3, completing a 90° turn to a vertical state. At this time, since the vertex A of the contact point between the arc segment 31 and the ground is located in front of the center of gravity C, the weight of the main drive 6 and the lifting and turning tooling is completely borne by the lifting device, the rolling seat 3 is in contact with the ground but not subjected to force, and the main drive 6 will not produce an impact phenomenon along the rolling direction; as shown in Figure 11 (a), the lifting device is used to lift the main drive 6 off the ground in a vertical state as a whole, and the rolling seat 3 is removed from the second lifting seat 2; as shown in Figure 11 (b), after the rolling seat 3 is horizontally reversed, the fastener 4 is used to reconnect the rolling seat 3 with the second lifting seat 2; as shown in Figure 11 (c), the lifting device lowers the main drive 6 in a vertical state as a whole, so that the vertex A of the arc segment 31 contacts the ground; Figure 12(a) to Figure 12(d) As shown, since, after the horizontal reversal of the rolling seat 3, the vertex A of the contact point of the arc segment 31 with the ground is located on the rear side of the center of gravity C, the lifting equipment can continue to be lowered to guide the main drive 6 through the rolling seat 3 to complete the remaining 90° turning over, and finally realize the 180° turning over operation of the main drive 6; the rolling seat 3 and the second lifting seat 2 are detachably connected, and the horizontal rotation reversal of the rolling seat 3 is realized without removing the second lifting seat 2, which can simplify the disassembly and assembly operations and improve the turning over efficiency of the main drive 6; by specially designing the arc segment 31 of the rolling seat 3, the impact phenomenon along the turning over direction caused by the change of the center of gravity when the main drive 6 turns over from 90° to the vertical state can be avoided, and the main drive 6 can be guided to turn over 90° and 180° smoothly, which can reduce the safety risks and operational difficulty during the turning process.

[0036] In this embodiment, the arc segment 31 is an asymmetric arc, and the length of the end of the arc segment 31 away from the flipping direction is shortened, which does not affect the normal use of the tumbling seat 3 and can also reduce the material used for the tumbling seat 3 and reduce the weight of the tumbling seat 3.

[0037] In this embodiment, the first hanging seat 1 includes a first hanging plate 11 arranged along the axial direction of the main drive 6, a first connecting block 12 arranged on the first hanging plate 11 for connecting the first radial plane 61 of the main drive 6, and a second connecting block 13 arranged on the first hanging plate 11 for connecting the second radial plane 62 of the main drive 6, a first hanging ear 111 is arranged on the first hanging plate 11, and a plurality of first connecting holes for passing the fastener 4 are opened on the first hanging plate 11, the first connecting block 12 and the second connecting block 13; the first hanging seat 1 has a simple structure and low manufacturing cost, and the first connecting block 12 and the second connecting block 13 are easy to disassemble and assemble with the main drive 6, can be reused, and can reduce production costs. Optionally, the first hanging plate 11 and the first connecting block 12, the first hanging plate 11 and the second connecting block 13 are detachably connected, and the versatility of the device can be achieved by replacing different first connecting blocks 12 and / or second connecting blocks 13. Optionally, a plurality of first lifting ears 111 are arranged at intervals on the first hanging plate 11, which can increase the lifting points of the lifting operation, avoid the deflection of the main drive 6, and improve the stability of the lifting. Optionally, there is one first lifting seat 1, and when the main drive 6 turns over 90° to a vertical state, the first lifting ear 111 is collinear with the vertical line of the center of gravity of the main drive 6.

[0038] In this embodiment, the two first lifting seats 1 are arranged in a mirror-symmetrical manner on the upper circumference of the main drive 6. When the main drive 6 is turned over 90° to a vertical state, the first lifting ears 111 on the two first hanging plates 11 are symmetrical about the vertical line of the center of gravity of the main drive 6. This can increase the lifting points of the lifting operation, avoid the deflection of the main drive 6, and improve the stability of the lifting. It can be understood that the number of first lifting seats 1 can be three, four or more, which can be adjusted according to actual lifting requirements.

[0039] In this embodiment, two adjacent first hanging plates 11 are connected by a crossbeam 5 to increase the rigidity of the lifting and turning tool. Optionally, connecting plates 52 are arranged at both ends of the crossbeam 5, and the connecting plates 52 are detachably connected to the first hanging plates 11 through fasteners 4.

[0040] In this embodiment, a second lifting lug 51 is arranged on the crossbeam 5 to increase the lifting points of the lifting operation and improve the stability of the lifting.

[0041] In this embodiment, the second hanging seat 2 includes a second hanging plate 21 arranged along the axial direction of the main drive 6, a third connecting block 22 arranged on the second hanging plate 21 for connecting the first radial plane 61 of the main drive 6, and a fourth connecting block 23 arranged on the second hanging plate 21 for connecting the second radial plane 62 of the main drive 6, a hanging hole 211 is arranged on the second hanging plate 21, and a plurality of second connecting holes for passing the fastener 4 are opened on the second hanging plate 21, the third connecting block 22 and the fourth connecting block 23, and the tumbling seat 3 and the second hanging plate 21 are detachably connected by the fastener 4, the second hanging seat 2 has a simple structure, and the tumbling seat 3 and the second hanging plate 21 are easy to disassemble and assemble, the manufacturing cost is low, and it can be reused, which can reduce the production cost. Optionally, the second hanging plate 21 and the third connecting block 22, the second hanging plate 21 and the fourth connecting block 23 are detachably connected, and the versatility of the device can be achieved by replacing different third connecting blocks 22 and / or fourth connecting blocks 23.

[0042] In this embodiment, the two second lifting seats 2 are arranged on the lower circumference of the main drive 6 in a mirror-symmetrical manner, which can improve the stability of the balance and prevent the main drive 6 from tipping over to one side.

[0043] In this embodiment, the two second hanging plates 21 are connected by a cross beam 5, and the two rolling seats 3 are connected by a cross beam 5 to increase the rigidity of the hanging and turning tooling.

[0044] In this embodiment, the fastener 4 includes a pin 41, a pin baffle 42 for preventing the pin 41 from slipping, and a baffle bolt 43 for connecting the pin 41 and the pin baffle 42. The pin baffle 42 is arranged at both ends of the pin 41, and a detachable connection is achieved through the baffle bolt 43. During disassembly and assembly, either end can be operated, which can improve convenience, can be reused, and can reduce production costs. It can be understood that the fastener 4 can also be a screw or a bolt.

[0045] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lifting and turning tool for main drive, characterized in that: The invention comprises a fastener (4), a first hanging seat (1) detachably connected to the upper circumference of the main drive via the fastener (4), a second hanging seat (2) detachably connected to the lower circumference of the main drive via the fastener (4), and a tumbling seat (3) arranged along the axial direction of the main drive and detachably connected to the second hanging seat (2) via the fastener (4), The rolling seat (3) is provided with an arc segment (31) for rolling on the ground, and the projection point of the vertex of the arc segment (31) on the main drive axis is located on one side of the main drive center of gravity.

2. The lifting and turning tool for main drive according to claim 1, characterized in that: The arc segment (31) is an asymmetric arc.

3. The lifting and turning tool for main drive according to claim 1 or 2, characterized in that: The first hanging seat (1) comprises a first hanging plate (11) arranged along the axial direction of the main drive, a first connecting block (12) arranged on the first hanging plate (11) for connecting to a first radial plane of the main drive, and a second connecting block (13) arranged on the first hanging plate (11) for connecting to a second radial plane of the main drive, a first hanging ear (111) is arranged on the first hanging plate (11), and a plurality of first connecting holes for passing the fastener (4) are provided on the first hanging plate (11), the first connecting block (12) and the second connecting block (13).

4. The lifting and turning tool for main drive according to claim 3 is characterized in that: A plurality of the first lifting seats (1) are symmetrically arranged on the upper circumference of the main drive.

5. The lifting and turning tool for main drive according to claim 4, characterized in that: Two adjacent first hanging plates (11) are connected via a crossbeam (5).

6. The lifting and turning tool for main drive according to claim 5, characterized in that: The crossbeam (5) is provided with a second lifting lug (51).

7. The lifting and turning tool for main drive according to claim 1 or 2, characterized in that: The second hanging seat (2) comprises a second hanging plate (21) arranged along the axial direction of the main drive, a third connecting block (22) arranged on the second hanging plate (21) for connecting to a first radial plane of the main drive, and a fourth connecting block (23) arranged on the second hanging plate (21) for connecting to a second radial plane of the main drive, the second hanging plate (21) is provided with a hanging hole (211), the second hanging plate (21), the third connecting block (22) and the fourth connecting block (23) are provided with a plurality of second connecting holes for passing the fastener (4), and the tumbling seat (3) and the second hanging plate (21) are detachably connected via the fastener (4).

8. The lifting and turning tool for main drive according to claim 7, characterized in that: The two second lifting seats (2) are symmetrically arranged on the lower circumference of the main drive.

9. The lifting and turning tool for main drive according to claim 8, characterized in that: The two second hanging plates (21) and / or the two rolling seats (3) are connected via a crossbeam (5).

10. The lifting and turning tool for main drive according to claim 1, characterized in that: The fastener (4) comprises a pin (41), a pin baffle (42) for preventing the pin (41) from slipping, and a baffle bolt (43) for connecting the pin (41) and the pin baffle (42).

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