CN221440106U - Detachable shield constructs quick-witted lug device - Google Patents
Detachable shield constructs quick-witted lug device Download PDFInfo
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- CN221440106U CN221440106U CN202323114291.0U CN202323114291U CN221440106U CN 221440106 U CN221440106 U CN 221440106U CN 202323114291 U CN202323114291 U CN 202323114291U CN 221440106 U CN221440106 U CN 221440106U
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- lifting lug
- lug
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- plate
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- 230000005641 tunneling Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005493 welding type Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 abstract description 2
- 239000002893 slag Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 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
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to the technical field of shields, in particular to a detachable shield machine lifting lug device, which solves the problem of low structural reliability in the prior art. The utility model provides a detachable shield constructs quick-witted lug device, includes main lug board, and main lug board includes right lug board and left lug board, and right lug board and left lug board symmetry set up in the both sides of toolbox curb plate, and right lug board and left lug board can dismantle with the toolbox curb plate respectively and be connected. The utility model has the beneficial effects that: firstly, the main lifting lug plate is connected with the lifting lug seat in a detachable mode, and compared with the traditional welding type lifting lug, the welding type lifting lug has the advantages of convenience in installation and strong universality; secondly, compared with a conventional detachable lifting lug, the lifting lug device adopts a double-main lifting lug structure of a right lifting lug plate and a left lifting lug plate, so that the safety and the reliability of the lifting process are ensured; finally, the lifting lug seat mounting position of the lifting lug device is positioned on the side of the side cutter box plate, and the structure does not adversely affect slag tapping of the heading machine.
Description
Technical Field
The utility model relates to the technical field of shields, in particular to a detachable shield machine lifting lug device.
Background
The cutterhead is positioned at the forefront end of the shield machine and is an important component of the shield machine. In the links of processing and manufacturing the shield cutterhead, workshop assembly and debugging, site assembly, disassembly after finishing engineering projects, cutterhead maintenance and reutilization and the like, the cutterhead needs to be hoisted or turned over. Throughout the whole process, the lifting of the cutterhead needs to be carried out for a plurality of times, and how to safely, quickly, conveniently, reliably and economically realize the lifting of the cutterhead is a considerable problem. At present, the cutter head of the applied shield machine is mainly a traditional welding type lifting lug, and the lifting lug meets the use requirement undoubtedly in terms of structural strength, but the mounting mode of the lifting lug brings great inconvenience to practical use. For example, when tunneling in the field, the lifting lug needs to be planed and polished, and when the project is penetrated and the machine needs to be disassembled, the lifting lug needs to be re-welded, which not only has strict requirements on the welding technology of welding technicians, but also increases the workload of the workers.
Patent publication number CN114275668a discloses a cutterhead 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. This type of shackle arrangement has only one primary shackle, and its load is applied entirely in a single action position, which can have very serious consequences once a structural failure problem occurs.
Disclosure of utility model
The utility model provides a detachable shield tunneling machine lifting lug device, which solves the problem of low structural reliability in the prior art.
The technical scheme of the utility model is realized as follows:
The utility model provides a detachable shield constructs quick-witted lug device, includes main lug board, and main lug board includes right lug board and left lug board, and right lug board and left lug board symmetry set up on the blade disc, and right lug board and left lug board can dismantle with the blade disc respectively and be connected. The cutter head is hoisted by adopting a mode of combined action of the right lifting lug plate and the left lifting lug plate, and the structure reliability in the hoisting process is ensured by the double lifting lug structure; when the cutterhead is used, the main lifting lug plate can be detached from the cutterhead, the lifting lug seat is arranged on the side plate of the tool box, and the occupied space of the lifting lug seat is small, so that the flow of dregs is not influenced.
Lifting lug seats are arranged on two sides of a side plate of the cutter box on the cutter head, pin holes are formed in the lifting lug seats, pin shafts are arranged on a main lifting lug plate, and the pin shafts are spliced with the pin holes. The lifting lug seat and the main lifting lug plate ensure the relative position to be determined through the pin shaft, so that the mounting position of the main lifting lug plate is ensured to be accurate; in the hoisting process, the pin shaft is a part mainly bearing force, so that the connection reliability between the main lifting lug plate and the lifting lug seat is improved.
The main lifting lug plate is connected with the threaded hole on the lifting lug seat through a fixing bolt. The fixing bolt passes through the through hole and the threaded hole screw member on the main lug plate, realizes the detachable connection of main lug plate and lug seat, and fixing bolt connects lug seat and main lug plate, guarantees that both are connected stably.
The main lifting lug plate is provided with a wedge-shaped hole, one end of the pin shaft is of a wedge-shaped structure, and the wedge-shaped structure is spliced with the wedge-shaped hole. The end of the wedge-shaped structure is welded with the main lifting lug plate. The wedge structure ensures that the pin shaft is accurate in installation position on the main lifting lug plate, and meanwhile, the pin shaft is stably connected with the main lifting lug plate in a welding mode, so that the main lifting lug plate and a lifting lug seat are convenient to install.
The main lifting lug plate is provided with a blind hole, the pin shaft comprises a pin shaft main body and a connecting screw, and the connecting screw penetrates through the bottom of the blind hole and is in threaded connection with the rear end of the pin shaft main body. The blind hole is used for positioning the pin shaft main body, the pin shaft is fixed in the blind hole by the connecting bolt, and the pin shaft is convenient to plug in with the pin hole on the lifting lug seat when the main lifting lug plate is installed.
The main lifting lug plate is of a C-shaped structure, a lifting hole is formed in the upper side of the C-shaped structure, and the lower side of the C-shaped structure is connected with the lifting lug seat. The large ring of the cutter head of the shield machine is positioned in the C-shaped structure, so that interference between the large ring of the cutter head and the main lifting lug plate in the process of lifting the cutter head is avoided, and the lifting of the cutter head of the shield machine is prevented from being influenced.
The side fixedly connected with of C type structure is little lug. The small lifting lugs are welded on one side of the main lifting lug plate in a welding mode, so that the main lifting lug plate is convenient to lift and mount.
And the lifting lug seat is detachably connected with a protection block. When the lifting lug is not used, the protection block is arranged on the lifting lug seat, so that the lifting lug seat is protected, and abrasion in the tunneling process is prevented.
The upper portion of right lug board is bent left, and the upper portion of left lug board is bent right, and the upper portion of right lug board and the upper portion parallel arrangement of left lug board. When carrying out cutter head hoist and mount, the upper portion of right lug board and left lug board is vertical, and main lug board atress that can be better when cutter head hoist and mount.
The utility model has the beneficial effects that: firstly, the main lifting lug plate is connected with the lifting lug seat in a detachable mode, and compared with the traditional welding type lifting lug, the welding type lifting lug has the advantages of convenience in installation and strong universality; secondly, compared with a conventional detachable lifting lug, the lifting lug device adopts a double-main lifting lug structure of a right lifting lug plate and a left lifting lug plate, so that the safety and the reliability of the lifting process are ensured; finally, the lifting lug seat mounting position of the lifting lug device is positioned on the side plate of the cutter box, and the structure does not adversely affect slag tapping of the heading machine.
The main lifting lug plate is mounted on the lifting lug seat through a fixing bolt, so that the connection between the main lifting lug plate and the lifting lug seat is realized; in the hoisting process, the bolts only provide pretightening force, the effect of limiting the sliding of the main lifting lug plate is achieved, the pin shafts are mainly bearing components, the connection stability between the main lifting lug plate and the lifting lug seat is improved, and then the reliability of the main lifting lug plate in the cutter head hoisting process is improved.
The structure of bending is all adopted to right lug board and left lug board, makes main lug board after the installation, and the upper portion of right lug board and left lug board is vertical state, and main lug board atress that can be better when the blade disc hoist and mount.
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 installation and use of a detachable shield tunneling machine lifting lug device.
Fig. 2 is a schematic view of the direction a in fig. 1.
Fig. 3 is a schematic view of a main lifting lug plate structure of embodiment 2.
Fig. 4 is a schematic view of a lifting lug seat.
Fig. 5 is a schematic diagram of a protection block structure.
Fig. 6 is a schematic view of the structure of the main lifting lug plate of embodiment 3.
In the figure: 1. the main lifting lug plate, 2, the lifting lug seat, 21, the pin hole, 22, the threaded hole, 3, the pin shaft, 31, the pin shaft main body, 32, the connecting screw, 4, the protection block, 5, the small lifting lug, 6, the tool box side plate, 11, the right lifting lug plate, 12 and the left lifting lug plate.
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, a detachable shield constructs quick-witted lug device, including main lug board 1, main lug board 1 includes right lug board 11 and left lug board 12, and right lug board 11 and left lug board 12 symmetry set up on the blade disc, and right lug board 11 and left lug board 12 can dismantle with the blade disc respectively and be connected. When the cutterhead is hoisted, the right lifting lug plate 11 and the left lifting lug plate 12 are jointly used as lifting points, the structural reliability of the main lifting lug plate 1 is guaranteed in the cutterhead hoisting process due to the double lifting lugs, the weight of the cutterhead is jointly borne by the double lifting lugs, and the bearing capacity of the lifting lug device is improved. In addition, the right lifting lug plate 11, the left lifting lug plate 12 and the cutter head are connected in a detachable mode, when the cutter head is used after being lifted, the main lifting lug plate 1 can be detached from the cutter head, the lifting lug seat 2 is arranged on the side plate of the cutter box, and the occupied space of the lifting lug seat is small, so that the flow of dregs is not influenced.
Further, as shown in fig. 2 and 4, lifting lug seats 2 are arranged on two sides of a cutter box side plate 6 on the cutter head, pin holes 21 are formed in the lifting lug seats 2, pin shafts 3 are arranged on the main lifting lug plate 1, and the pin shafts 3 are spliced with the pin holes 21. When the main lifting lug plate 1 is installed, the installation position of the main lifting lug plate 1 is ensured to be accurate through the cooperation of the pin shaft 3 and the pin hole 21; in the hoisting process, the pin shaft 21 is a part mainly bearing force, so that the connection reliability between the main lifting lug plate 1 and the lifting lug seat 2 is improved.
Further, the main shackle board 1 is connected to a threaded hole 22 in the shackle seat 2 by a fixing bolt. Be equipped with the through-hole on the main lug board 1, fixing bolt passes through-hole and screw hole 22 threaded connection, and fixing bolt and screw hole 22 be connected or disconnection realize being connected or disconnection between main lug board 1 and the lug seat 2, and then realize the demountable installation of main lug board 1 on lug seat 2, make main lug board have the advantage that the installation is convenient, the commonality is strong.
In embodiment 2, on the basis of embodiment 1, a detachable lifting lug device for a shield tunneling machine is shown in fig. 3, a wedge-shaped hole is formed in a main lifting lug plate 1, one end of a pin shaft 3 is of a wedge-shaped structure, and the wedge-shaped structure is spliced with the wedge-shaped hole. The end of the wedge-shaped structure is welded with the main lifting lug plate 1. The wedge structure ensures that the pin shaft 3 is accurate in installation position on the main lifting lug plate 1, and meanwhile, the pin shaft 3 and the main lifting lug plate 1 are stably connected in a welding mode, so that the main lifting lug plate 1 and the lifting lug seat 2 are convenient to install.
Embodiment 3 on the basis of embodiment 1, a detachable shield tunneling machine lifting lug device is provided, as shown in fig. 6, a blind hole is formed in a main lifting lug plate 1, a pin shaft 3 comprises a pin shaft main body 31 and a connecting screw 32, and the connecting screw 32 penetrates through the bottom of the blind hole and is in threaded connection with the rear end of the pin shaft main body 31. The blind hole is used for positioning the pin shaft main body 31, the pin shaft 3 is fixed in the blind hole by the connecting bolt 32, and the pin shaft 3 is conveniently inserted into the pin hole 21 on the lifting lug seat 2 when the main lifting lug plate 1 is installed.
Embodiment 4, on the basis of embodiment 2 or embodiment 3, a detachable shield tunneling machine lifting lug device, wherein the main lifting lug plate 1 is of a C-shaped structure, a lifting hole is arranged on the upper side of the C-shaped structure, and the lower side of the C-shaped structure is connected with the lifting lug seat 2. After the main lifting lug plate 1 is installed, the large ring of the shield machine is clamped into the C-shaped structure, so that interference between the large ring of the cutter and the main lifting lug plate 1 in the cutter lifting process is avoided, and the lifting of the cutter of the shield machine is prevented from being influenced.
Further, the side fixedly connected with of C type structure is little lug 5. The small lifting lug 5 is welded on one side of the main lifting lug plate 1 in a welding mode, so that the main lifting lug plate 1 is convenient to lift and mount.
Further, as shown in fig. 5, the shackle seat 4 is detachably connected with a protection block 4. In this embodiment, four through holes are uniformly arranged on the protection block 4, and the fixing bolts penetrate through the through holes on the protection block 4 and are connected with the threaded holes 22 on the lifting lug seat 2, so that the protection block 4 is mounted on the lifting lug seat 2. Specifically, when the lifting lug is not used, the protection block 4 is arranged on the lifting lug seat 2, so that the lifting lug seat 2 is protected, and abrasion in the tunneling process is prevented.
Embodiment 5, based on embodiment 4, a detachable shield tunneling machine lifting lug device, wherein the upper part of the right lifting lug plate 11 is bent leftwards, the upper part of the left lifting lug plate 12 is bent rightwards, and the upper part of the right lifting lug plate 11 is arranged in parallel with the upper part of the left lifting lug plate 12. After the main lifting lug plate 1 is installed, the upper parts of the right lifting lug plate 11 and the left lifting lug plate 12 are in a vertical state, and the main lifting lug plate 1 can be stressed better when the cutterhead is lifted.
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 lug device, includes main lug board (1), its characterized in that, main lug board (1) are including right lug board (11) and left lug board (12), and right lug board (11) and left lug board (12) symmetry set up on the blade disc, and right lug board (11) and left lug board (12) can dismantle with the blade disc respectively and be connected.
2. The detachable shield tunneling machine lifting lug device according to claim 1, wherein lifting lug seats (2) are arranged on two sides of a cutter box side plate (6) on the cutter head, pin holes (21) are formed in the lifting lug seats (2), pin shafts (3) are arranged on the main lifting lug plate (1), and the pin shafts (3) are spliced with the pin holes (21).
3. The detachable shield tunneling machine lifting lug device according to claim 2, characterized in that the main lifting lug plate (1) is connected with threaded holes (22) on the lifting lug seat (2) through fixing bolts.
4. A detachable shield tunneling machine lifting lug device according to claim 3, characterized in that the main lifting lug plate (1) is provided with a wedge-shaped hole, one end of the pin shaft (3) is of a wedge-shaped structure, and the wedge-shaped structure is spliced with the wedge-shaped hole.
5. The detachable shield tunneling machine lifting lug device according to claim 4, wherein the end of the wedge structure is welded with the main lifting lug plate (1).
6. A detachable shield tunneling machine lifting lug device according to claim 3, characterized in that the main lifting lug plate (1) is provided with a blind hole, the pin shaft (3) comprises a pin shaft main body (31) and a connecting screw (32), and the connecting screw (32) penetrates through the bottom of the blind hole to be in threaded connection with the rear end of the pin shaft main body (31).
7. The detachable shield tunneling machine lifting lug device according to any one of claims 1-6, wherein the main lifting lug plate (1) is of a C-shaped structure, a lifting hole is formed in the upper side of the C-shaped structure, and the lower side of the C-shaped structure is connected with the lifting lug seat (2).
8. The detachable shield tunneling machine lifting lug device according to claim 7, wherein the side edge of the C-shaped structure is fixedly connected with a small lifting lug (5).
9. The detachable shield tunneling machine lifting lug device according to claim 2, wherein the lifting lug seat (2) is detachably connected with a protection block (4).
10. The detachable shield tunneling machine lifting lug device according to any one of claims 1-6, 8 and 9, wherein the upper portion of the right lifting lug plate (11) is bent leftward and the upper portion of the left lifting lug plate (12) is bent rightward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323114291.0U CN221440106U (en) | 2023-11-18 | 2023-11-18 | Detachable shield constructs quick-witted lug device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323114291.0U CN221440106U (en) | 2023-11-18 | 2023-11-18 | Detachable shield constructs quick-witted lug device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221440106U true CN221440106U (en) | 2024-07-30 |
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ID=92069890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323114291.0U Active CN221440106U (en) | 2023-11-18 | 2023-11-18 | Detachable shield constructs quick-witted lug device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221440106U (en) |
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2023
- 2023-11-18 CN CN202323114291.0U patent/CN221440106U/en active Active
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