CN221119966U - Detachable shield constructs quick-witted blade disc lug - Google Patents
Detachable shield constructs quick-witted blade disc lug Download PDFInfo
- Publication number
- CN221119966U CN221119966U CN202323114293.XU CN202323114293U CN221119966U CN 221119966 U CN221119966 U CN 221119966U CN 202323114293 U CN202323114293 U CN 202323114293U CN 221119966 U CN221119966 U CN 221119966U
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- Prior art keywords
- lifting lug
- lug plate
- cutterhead
- lifting
- tunneling machine
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- 230000005641 tunneling Effects 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 241001420287 Strobilanthes maculata Species 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000009412 basement excavation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of shields, in particular to a detachable shield machine cutterhead lifting lug, which solves the problem that in the prior art, a lifting lug seat is welded on a cutterhead to influence the stress distribution of the cutterhead. A detachable shield tunneling machine cutterhead lifting lug comprises a lifting lug plate, wherein the lifting lug plate is detachably connected with a side scraper knife seat on the cutterhead. The utility model has the beneficial effects that: utilize the limit scraper blade holder structure on the shield to construct machine knife dish to replace lug seat structure, realized detachable lug handling under the prerequisite that does not increase the knife disk structure spare, can not exert an influence to knife disk self design, and then avoid influencing knife disk self stress distribution, accord with green shield's design theory more. The lifting lug plate is detachably connected with the shield tunneling machine cutterhead, so that the lifting lug plate has strong universality and is beneficial to improving the hoisting efficiency of the shield tunneling machine cutterhead.
Description
Technical Field
The utility model relates to the technical field of shields, in particular to a detachable shield machine cutterhead lifting lug.
Background
In the field of underground engineering construction, a shield method is used as a fully mechanized underground excavation method, and the method has the advantages of high excavation efficiency, good excavation effect and the like. When the shield tunneling machine is tunneling, the tunnel face is excavated through the cutterhead. The cutter head needs to be lifted for many times in the processes of production assembly, field debugging and the like, and the welding type lifting lug widely used on the existing equipment needs to be planed, polished and welded for many times according to different working environments, so that high requirements are provided for professional quality of technicians on a construction field, and the universality of the welding type lifting lug is poor.
With the proposal of the idea of green shield in recent years, detachable lifting lugs have been developed, for example, patent publication No. CN114275668a discloses a cutter head lifting lug device comprising: the movable lifting lug is provided with a hooking groove for clamping and embedding a large ring of the cutter disc, and is also provided with a kidney-shaped hole which is positioned below the hooking groove; the lifting lug fixing bolt is used for penetrating the kidney-shaped hole at one end of the lifting lug fixing bolt and is fixed on a fixing sleeve of the cutter head; fixing an auxiliary turning lifting lug, wherein the auxiliary turning lifting lug is used for being fixed close to a cutter box plate of the cutter head; in the lifting process, the top of the movable lifting lug is fixed on the shackle, the hook groove is clamped and embedded in a large ring of the cutterhead, the lifting lug fixing bolt is fixedly connected with the fixing sleeve through the kidney-shaped hole, and the lifting lug is lifted through the movable lifting lug and the fixing auxiliary turning lifting lug, so that the cutterhead is lifted. Although the type lifting lug achieves the purpose of being detachable, the lifting lug seat is directly welded on the cutter head, so that the design of the cutter head is affected, and the stress distribution of the cutter head is affected.
Disclosure of utility model
The utility model provides a detachable shield tunneling machine cutterhead lifting lug, which solves the problem that in the prior art, the stress distribution of the cutterhead is influenced by the fact that a lifting lug seat is welded on the cutterhead.
The technical scheme of the utility model is realized as follows:
A detachable shield tunneling machine cutterhead lifting lug comprises a lifting lug plate, wherein the lifting lug plate is detachably connected with an original edge scraper knife seat on a cutterhead. The edge scraper knife seat structure on the cutter head of the shield tunneling machine is utilized to replace the lifting lug seat structure, the lifting lug plate is directly connected with the edge scraper knife seat for installation, the purpose of dismantling the lifting lug is achieved under the condition that the cutter head structure is not increased, and then the influence on the stress distribution of the cutter head is avoided.
And the lifting lug plate is provided with an installation clamping groove, and the installation clamping groove is clamped with the edge scraper knife seat. The installation draw-in groove cooperates with limit scraper blade holder, fixes a position the lug board through limit scraper blade holder, guarantees that lug board mounted position is accurate.
The bottom of installation draw-in groove is equipped with bolt hole I, and bolt hole I corresponds with the bolt hole II position on the limit scraper blade holder, and bolt hole I and bolt hole II are all connected with fixing bolt. The lifting lug plate is connected with the edge scraper knife holder through the fixing bolts, so that the relative positions of the lifting lug plate and the edge scraper knife holder are fixed, and the lifting lug plate is ensured to be stably installed on the edge scraper knife holder.
The upper portion of lug board is equipped with the through-hole that is used for connecting the lifting rope. The end part of the lifting rope is connected with the through hole through the shackle, and the through hole is convenient for the shackle to pass through, so that the lifting rope can be conveniently installed during lifting.
The side of lug board is equipped with little lug. When carrying out the lug board installation, accessible small lug is hung the lug board, is convenient for carry out the installation of lug board.
The lifting lug plate downside is equipped with the enhancement portion. The thickness of installation draw-in groove downside lateral wall on the bight increase lug board, and then strengthen the structural strength of lug board, prevent that the lug board from becoming invalid.
The edge scraper knife rest comprises an edge scraper knife rest I and an edge scraper knife rest II, and the edge scraper knife rest I and the edge scraper knife rest II are symmetrically arranged on two sides of the auxiliary beam of the cutterhead. The edge scraper knife holder I and the edge scraper knife holder II replace the lifting lug seat to be connected with the lifting lug plate.
The lifting lug plate comprises a first lifting lug plate and a second lifting lug plate, the first lifting lug plate is detachably connected with the edge scraper knife holder I, the second lifting lug plate is detachably connected with the edge scraper knife holder II, and the first lifting lug plate and the second lifting lug plate are symmetrically arranged. Adopt the two lug structures of first lug board and second lug board, can have higher hoist and mount security at blade disc hoist and mount in-process.
The lifting lug plate comprises a bending lifting lug plate I and a bending lifting lug plate II, wherein the bending lifting lug plate I is detachably connected with the edge scraper knife holder I, the bending lifting lug plate II is detachably connected with the edge scraper knife holder II, and the bending lifting lug plate I and the bending lifting lug plate II are symmetrically arranged. The bending parts of the bending lifting lug plate I and the bending lifting lug plate II are arranged oppositely. The lifting lug plate I and the lifting lug plate II are bent relatively, so that the stress of the lifting lug plate is improved during the lifting of the cutterhead, and the lifting safety of the cutterhead is ensured.
The utility model has the beneficial effects that:
Firstly, the lifting lugs of the application do not adopt a welding connection mode, so that the influence of heat generated by welding on the cutterhead is eliminated, and the influence of welding on the stress distribution of the cutterhead is eliminated; meanwhile, the edge scraper knife seat structure on the cutter head of the shield tunneling machine is utilized to replace the lifting lug seat structure, the detachable lifting lug lifting is realized on the premise of not increasing the structural parts of the cutter head, the lifting lug structure is simplified, the design of the cutter head cannot be influenced, and the design concept of a green shield is more met.
Secondly, the lifting lug plate is detachably connected with the shield tunneling machine cutterhead, so that the lifting lug plate has strong universality and is beneficial to improving the hoisting efficiency of the shield tunneling machine cutterhead.
Finally, the lifting lug plate adopts a double-main lifting lug structure, so that higher lifting safety can be realized in the lifting process of the cutterhead. And the lifting lug plate can be bent, so that the stress of the lifting lug plate is improved when the shield tunneling machine cutterhead is lifted, and the safety of the cutterhead lifting is ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a detachable shield tunneling machine cutterhead lifting lug.
Fig. 2 is a schematic view of the direction a in fig. 1.
Fig. 3 is a schematic view of a lifting lug plate structure of embodiment 1.
Fig. 4 is a schematic view of a lifting lug plate structure of embodiment 2.
Fig. 5 is a schematic view of the lifting lug plate of embodiment 4.
In the figure: 1. the first lug board, 2, second lug board, 21, through-hole, 22, bolt hole I, 23, installation draw-in groove, 24, reinforcing part, 3, limit scraper blade holder I, 4, limit scraper blade holder II, 6, little lug, 7, the lug board of bending I, 8, the lug board of bending II.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
Embodiment 1, as shown in fig. 1 and fig. 2, a detachable shield tunneling machine cutterhead lifting lug comprises a lifting lug plate, wherein the lifting lug plate is detachably connected with an original edge scraper knife seat on the cutterhead. When the shield tunneling machine cutterhead is hoisted, firstly, detaching an edge scraper on the cutterhead, mounting a lifting lug plate on an edge scraper knife holder, connecting the lifting lug plate with the cutterhead through the edge scraper knife holder, mounting the lifting lug plate on the cutterhead, and then hoisting the cutterhead by utilizing the lifting lug plate; after the cutterhead is hoisted, the lifting lug plate is detached from the edge scraper knife seat, and the edge scraper is reinstalled, so that the follow-up use of the cutterhead of the shield tunneling machine is facilitated. The edge scraper knife holder replaces the lifting lug seat to be connected with the lifting lug plate, the lifting lug plate is installed under the condition that the structure of the cutterhead is not changed, the design of the cutterhead cannot be influenced, and then the stress distribution of the cutterhead is prevented from being influenced.
Further, as shown in fig. 3, the lifting lug plate is provided with a mounting clamping groove 23, and the mounting clamping groove 23 is clamped with the edge scraper seat. In the embodiment, the installation clamping groove 23 is an arc-shaped groove, the edge scraper knife seat is clamped into the arc-shaped groove, and the lifting lug plate is positioned through the cooperation of the installation clamping groove 23 and the edge scraper knife seat, so that the accurate installation position of the lifting lug plate is ensured; meanwhile, when the cutterhead is hoisted, the side wall of the arc-shaped groove can provide a part of bearing capacity.
Further, the bottom of the mounting clamping groove 23 is provided with a bolt hole I22, the bolt hole I22 corresponds to a bolt hole II on the edge scraper knife seat, and the bolt hole I22 and the bolt hole II are connected with a fixing bolt. In this embodiment, be equipped with a plurality of bolt holes I22 that evenly arrange in the arc recess, fixing bolt passes bolt hole I22 and is connected with the bolt hole II on the limit scraper blade holder, realizes that the relative position of installation draw-in groove 23 and limit scraper blade holder is fixed, and then realizes that the lug board is fixed on the limit scraper blade holder. When the cutterhead is hoisted, the fixing bolts can also provide bearing capacity. In addition, the lifting lug plate is detachably mounted on the edge scraper knife holder, so that the universality of the lifting lug plate is improved, and the lifting efficiency of the shield tunneling machine knife head is improved.
Further, the upper portion of the shackle plate is provided with a through hole 21 for connecting a hoist rope. The end part of the lifting rope is connected with the through hole 21 through the shackle, and the through hole 21 is convenient for the shackle to pass through, so that the lifting rope can be conveniently installed during lifting.
In embodiment 2, on the basis of embodiment 1, a detachable cutter head lifting lug of a shield tunneling machine is provided, as shown in fig. 4, and a small lifting lug 6 is arranged on the side edge of a lifting lug plate. When carrying out the lug board installation, accessible little lug 6 hangs the lug board, is convenient for carry out the installation of lug board.
Further, the shackle plate underside is provided with a stiffening portion 24. The thickness of the side wall of the lower side of the mounting clamping groove 23 on the lifting lug plate is increased by the reinforcing part 24, so that the structural strength of the lifting lug plate is enhanced, the lifting lug plate is prevented from failing, and the safety of a cutter head of the shield machine in the lifting process is ensured.
Embodiment 3, on the basis of embodiment 1 or embodiment 2, a detachable shield constructs machine cutter head lug, as shown in fig. 1, the limit scraper blade holder includes limit scraper blade holder I3 and limit scraper blade holder II 4, limit scraper blade holder I3 and limit scraper blade holder II 4 symmetry set up in the auxiliary girder both sides of cutter head. The lug board includes first lug board 1 and second lug board 2, and first lug board 1 can dismantle with limit scraper blade holder I3 and be connected, and second lug board 2 can dismantle with limit scraper blade holder II 4 and be connected, and first lug board 1 and second lug board 2 symmetrical arrangement. Adopt the two lug structures of first lug board 1 and second lug board 2, can have higher hoist and mount security at blade disc hoist and mount in-process.
Embodiment 4, on the basis of embodiment 3, a detachable shield constructs quick-witted blade disc lug, as shown in fig. 5, the lug board is including bending lug board I7 and bending lug board II 8, and the lug board I7 of bending can be dismantled with limit scraper blade holder I3 and be connected, and the lug board II 8 of bending can be dismantled with limit scraper blade holder II 4 and be connected, the lug board I7 of bending and the lug board II 8 symmetric arrangement of bending. The bending parts of the bending lifting lug plate I7 and the bending lifting lug plate II 8 are arranged oppositely. The lifting lug plate I7 and the lifting lug plate II 8 are bent relatively, so that the stress of the lifting lug plate is improved during the lifting of the cutterhead, and the lifting safety of the cutterhead is ensured.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a detachable shield constructs quick-witted blade disc lug, its characterized in that includes the lug board, and the lug board can dismantle with original limit scraper blade holder on the blade disc and be connected.
2. The detachable shield tunneling machine cutterhead lifting lug according to claim 1, wherein a mounting clamping groove (23) is formed in the lifting lug plate, and the mounting clamping groove (23) is clamped with the edge scraper seat.
3. The detachable shield tunneling machine cutterhead lifting lug according to claim 2, wherein a bolt hole I (22) is formed in the bottom of the installation clamping groove (23), the bolt hole I (22) corresponds to a bolt hole II on the edge scraper blade holder, and the bolt hole I and the bolt hole II are connected through a fixing bolt.
4. A detachable shield tunneling machine cutterhead lifting lug according to any one of claims 1-3, characterized in that the upper part of the lifting lug plate is provided with a through hole (21) for connecting a lifting rope.
5. The detachable shield tunneling machine cutterhead lifting lug according to claim 4, characterized in that the side of the lifting lug plate is provided with small lifting lugs (6).
6. The detachable shield tunneling machine cutterhead lifting lug according to claim 5, wherein the lifting lug plate underside is provided with a reinforcing portion (24).
7. The detachable shield tunneling machine cutterhead lifting lug according to any one of claims 1-3, 5 and 6, wherein the edge scraper blade holder comprises an edge scraper blade holder I (3) and an edge scraper blade holder II (4), and the edge scraper blade holder I (3) and the edge scraper blade holder II (4) are symmetrically arranged on two sides of an auxiliary beam of the cutterhead.
8. The detachable shield tunneling machine cutterhead lifting lug according to claim 7, wherein the lifting lug plate comprises a first lifting lug plate (1) and a second lifting lug plate (2), the first lifting lug plate (1) is detachably connected with an edge scraper knife holder I (3), the second lifting lug plate (2) is detachably connected with an edge scraper knife holder II (4), and the first lifting lug plate (1) and the second lifting lug plate (2) are symmetrically arranged.
9. The detachable shield tunneling machine cutterhead lifting lug according to claim 7, wherein the lifting lug plate comprises a bending lifting lug plate I (7) and a bending lifting lug plate II (8), the bending lifting lug plate I (7) is detachably connected with the edge scraper knife holder I (3), the bending lifting lug plate II (8) is detachably connected with the edge scraper knife holder II (4), and the bending lifting lug plate I (7) and the bending lifting lug plate II (8) are symmetrically arranged.
10. The detachable shield tunneling machine cutterhead lifting lug according to claim 9, wherein the bending parts of the bending lifting lug plate I (7) and the bending lifting lug plate II (8) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323114293.XU CN221119966U (en) | 2023-11-18 | 2023-11-18 | Detachable shield constructs quick-witted blade disc lug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323114293.XU CN221119966U (en) | 2023-11-18 | 2023-11-18 | Detachable shield constructs quick-witted blade disc lug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221119966U true CN221119966U (en) | 2024-06-11 |
Family
ID=91338064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323114293.XU Active CN221119966U (en) | 2023-11-18 | 2023-11-18 | Detachable shield constructs quick-witted blade disc lug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221119966U (en) |
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2023
- 2023-11-18 CN CN202323114293.XU patent/CN221119966U/en active Active
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