CN219946030U - TBM main drive in-situ disassembly overturning tool - Google Patents
TBM main drive in-situ disassembly overturning tool Download PDFInfo
- Publication number
- CN219946030U CN219946030U CN202320960283.9U CN202320960283U CN219946030U CN 219946030 U CN219946030 U CN 219946030U CN 202320960283 U CN202320960283 U CN 202320960283U CN 219946030 U CN219946030 U CN 219946030U
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- Prior art keywords
- main drive
- lifting
- hoist
- electric
- lifting support
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 11
- 239000011435 rock Substances 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 240000009087 Crescentia cujete Species 0.000 claims 1
- 235000005983 Crescentia cujete Nutrition 0.000 claims 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Abstract
The utility model discloses a TBM main drive in-situ disassembly overturning tool, which comprises an electric lifting hoist fixed on surrounding rock, and further comprises lifting support legs positioned at two sides of the main drive, wherein the electric lifting hoist adopts three groups of left and right intervals, ear seats are arranged on the left outer wall of a step in the inner ring direction of the main drive, round shaft bulges extending outwards are arranged on the outer walls of the front side and the rear side of the step, the lifting support legs comprise support bases, hydraulic cylinders and mounting sleeves which are sequentially arranged from bottom to top, the mounting sleeves can be sleeved on the round shaft bulges and are connected with telescopic ends of the hydraulic cylinders, steel wire ropes mutually hooked with other groups of electric lifting hoist hooks and/or the ear seats are arranged on lifting hooks of the electric lifting hoist, when the hydraulic cylinders of the lifting support legs lift the vertical main drive, the main drive is enabled to rotate to the horizontal direction through the electric lifting hoist and the steel wire ropes bypassing a central round hole of the main drive and/or being bound to the ear seats, and the like.
Description
Technical Field
The utility model belongs to the technical field of TBM main drive disassembly, and particularly relates to a TBM main drive in-situ disassembly overturning tool.
Background
TBM is constantly advancing in the tunneling process, need dismantle the TBM after the tunnel link up, if tunnel TBM can directly link up and get into the place ahead and disassemble the hole, can develop in the equipment hole in great space and dismantle, the equipment configuration is complete, like large-scale portal crane etc. and general distance outside the hole is shorter, and the dismantlement process is comparatively simple. But usually most tunnels run through to a specific mileage stake mark, the front is still surrounding rock, the general distance of TBM tunnel is longer, TBM is difficult to withdraw by oneself, at this moment, need dismantle in situ, influenced by the space in the tunnel and limited by transportation means, the dismantlement process is loaded down with trivial details, all parts of machinery need be split, the current dismantlement hoist is that only through installing the electric hoist on the surrounding rock at tunnel top hoist the main drive rotate, support the whole weight of main drive by electric hoist, but because surrounding rock geology is weak, need more than four groups of electric hoist can the lifting main drive, but the gravity of main drive is too big can destroy the surrounding rock structure, lead to the holding power not enough, there is the potential safety hazard.
Disclosure of Invention
The utility model aims to provide a TBM main drive in-situ disassembly overturning tool, which is high in safety and can protect a surrounding rock structure, and the problem that the surrounding rock structure is damaged due to the fact that an electric lifting hoist is used for lifting the main drive to rotate only through an electric lifting hoist arranged on surrounding rock at the top of a tunnel and supporting the whole weight of the main drive is solved.
The technical scheme adopted by the utility model is as follows: the utility model provides a TBM main drive normal position disassembles upset frock, is including fixing the electric hoist on the country rock, still including the lift landing leg that is located main drive both sides, electric hoist adopts three groups to control the interval, the left side outer wall of main drive inner loop to the step is equipped with the ear seat, front and back both sides outer wall is equipped with the circular shaft arch that extends outwards, the lift landing leg includes from down upwards supporting base, pneumatic cylinder and the installation sleeve pipe that sets gradually, the installation sleeve pipe can the suit be on the circular shaft arch and be connected with the flexible end of pneumatic cylinder, be equipped with on the electric hoist lifting hook with other group electric hoist lifting hook and/or the wire rope that the ear seat colluded each other, when the pneumatic cylinder of lift landing leg jack-up vertical main drive, make main drive rotate to the level through electric hoist and walk around main drive center round hole and/or wire rope on the ligature to the ear seat to can the horizontal setting on the transportation board car.
As the preference of above-mentioned scheme, electric hoist two by two and every group's electric hoist interval sets up around the electric hoist in groups, and the wire rope of two groups electric hoist mutual colludes is crisscross layout around being "X" type, guarantees that main drive is rotatory more labour saving and time saving for rotation time.
Further preferably, the included angle formed by the lug boss and the circular shaft bulge and the connecting line of the main drive inner annular step axle center is 90 degrees, the circular shaft bulges at the front side and the rear side are used as supporting rotation points, the lug boss at the left side is a traction point, and the overall design is reasonable, so that the stability of the gravity center in the main drive rotation process is ensured after the lifting support leg is lifted up to main drive.
Further preferably, the maximum height of the lifting support leg is not lower than the radius of the outer ring of the main drive, the minimum height of the lifting support leg is not higher than the height of the transportation plate trailer, the lifting support leg is enabled to lift the main drive to be separated from the original position, and when the hydraulic cylinder is contracted, the main drive is automatically placed on the transportation plate trailer, so that the design is reasonable.
The utility model has the beneficial effects that:
(1) Compared with the electric hoist hanging main driving rotation only through installing on tunnel top country rock, support the whole weight of main driving by electric hoist, this scheme still provides holding power with the help of installing the lift landing leg at main driving opposite side, effectively avoids main driving weight to provide by electric hoist and leads to the country rock structure to be destroyed, avoids follow-up dangerous situations such as taking place the country rock to collapse, casualties, stops the potential safety hazard, guarantees constructor's personal safety.
(2) The installation sleeve can be sleeved on the circular shaft bulge and connected with the telescopic end of the hydraulic cylinder, so that the circular shaft bulge of the main drive is a rotating point, the in-situ disassembly overturning of the main drive can be realized, the situation that the gravity unbalance occurs due to the movement of the main drive is avoided, the structural design is ingenious, the ear seat is positioned on the left outer wall of the inner ring of the main drive and is positioned on the front outer wall and the rear outer wall of the circular shaft bulge, the circular shaft bulge on the front side and the rear side is used as a supporting rotating point, and the ear seat on the left side is a traction point.
In conclusion, the method has the advantages of avoiding potential safety hazards, guaranteeing personal safety of constructors, being ingenious and reasonable in design and the like.
Drawings
Fig. 1 is a schematic view of the structure of the present utility model (when the main drive is in a rotated state).
Fig. 2 is a schematic diagram of the structure of the present utility model (when the main drive is in a horizontal state).
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1-2, a TBM main drive in-situ disassembly overturning tool is composed of an electric lifting hoist 3 fixed on surrounding rock and lifting support legs 2 positioned on two sides of the main drive 1.
The electric hoist 3 adopts three groups of left and right intervals.
The left outer wall of the inner annular step of the main drive 1 is provided with an ear seat 12, and the outer walls of the front side and the rear side are provided with circular shaft bulges 11 extending outwards.
The lifting support leg 2 consists of a support base 21, a hydraulic cylinder 22 and a mounting sleeve 23 which are sequentially arranged from bottom to top.
The mounting sleeve 23 can be sleeved on the circular shaft protrusion 11 and connected with the telescopic end of the hydraulic cylinder 22.
The lifting hook of the electric hoist 3 is provided with a steel wire rope 31 which is mutually hooked with the lifting hooks and/or the lugs 12 of the other groups of electric hoist 3.
The electric hoist 3 is arranged in groups in a front-back interval way, and the steel wire ropes 31 mutually hooked by the two groups of electric hoist 3 are arranged in an X-shaped front-back staggered way.
The included angle formed by the lug boss 12 and the circular shaft bulge 11 and the axial center connecting line of the annular step in the main drive 1 is 90 degrees, the circular shaft bulges at the front side and the rear side are used as supporting rotation points, the lug boss at the left side is a traction point, and the overall design is reasonable, so that the stability of the gravity center in the main drive rotation process is ensured after the lifting support leg is lifted up to the main drive.
The maximum height of the lifting support legs 2 is not lower than the radius of the outer ring of the main drive 1, and the minimum height is not higher than the height of the transportation plate trailer 4, so that the lifting support legs can lift the main drive to be separated from the original position, and when the hydraulic cylinder is contracted, the main drive can be automatically placed on the transportation plate trailer.
When the hydraulic cylinder 22 of the lifting support leg 2 lifts the vertical main drive 1, the main drive 1 is rotated to the horizontal direction through the electric lifting hoist 3 and the steel wire rope 31 bypassing the central round hole of the main drive 1 and/or bound to the ear seat 12, so that the main drive can be horizontally arranged on the transportation plate trailer 4.
When TBM can not reach the equipment hole, TBM main drive normal position disassemble upset frock can be in the less tunnel in space, avoids wholly to split main drive 1, disassembles the upset through the normal position, hoists it on transportation plate trailer 4, transports the hole.
Claims (4)
1. TBM main drive normal position disassembles upset frock, including fixing electric lift calabash (3) on the country rock, its characterized in that: the lifting support comprises a lifting support body (2) positioned on two sides of a main driving body (1), three groups of left and right intervals are adopted by an electric lifting hoist (3), an ear seat (12) is arranged on the left outer wall of an inner ring of the main driving body (1) towards a step, round shaft protrusions (11) extending outwards are arranged on the outer walls of the front side and the rear side of the left side of the step, the lifting support body (2) comprises a supporting base (21), a hydraulic cylinder (22) and a mounting sleeve (23) which are sequentially arranged from bottom to top, the mounting sleeve (23) can be sleeved on the round shaft protrusions (11) and connected with the telescopic ends of the hydraulic cylinder (22), steel wire ropes (31) which are mutually hooked with the lifting hooks and/or the ear seats (12) of the other groups of electric lifting hoist (3) are arranged on the lifting hook of the electric lifting hoist (3), and when the hydraulic cylinder (22) of the lifting support body (2) lifts the vertical main driving body (1), the main driving body (1) is enabled to rotate to be horizontally arranged by the electric lifting hoist (3) and the steel wire ropes (31) which are wound on the round holes and/or the ear seat (12) in a binding mode, so that the main driving body can be horizontally transported to the horizontal lifting body (4).
2. The TBM main drive in-situ disassembly turning tool as claimed in claim 1, wherein: the electric hoist (3) are arranged in groups in a front-back interval manner, and the steel wire ropes (31) hooked with each other are arranged in an X-shaped front-back staggered manner.
3. The TBM main drive in-situ disassembly turning tool as claimed in claim 1, wherein: the included angle formed by connecting the lug seat (12) and the circular shaft bulge (11) with the axial center of the annular step in the main drive (1) is 90 degrees.
4. The TBM main drive in-situ disassembly turning tool as claimed in claim 1, wherein: the maximum height of the lifting support leg (2) is not lower than the radius of the outer ring of the main drive (1), and the minimum height is not higher than the height of the transportation scooter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960283.9U CN219946030U (en) | 2023-04-25 | 2023-04-25 | TBM main drive in-situ disassembly overturning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960283.9U CN219946030U (en) | 2023-04-25 | 2023-04-25 | TBM main drive in-situ disassembly overturning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219946030U true CN219946030U (en) | 2023-11-03 |
Family
ID=88552375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320960283.9U Active CN219946030U (en) | 2023-04-25 | 2023-04-25 | TBM main drive in-situ disassembly overturning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219946030U (en) |
-
2023
- 2023-04-25 CN CN202320960283.9U patent/CN219946030U/en active Active
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