CN222229119U - Half quick dismantlement lock nut and extracting tool are divided to TBM hobbing cutter - Google Patents
Half quick dismantlement lock nut and extracting tool are divided to TBM hobbing cutter Download PDFInfo
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- CN222229119U CN222229119U CN202420004931.8U CN202420004931U CN222229119U CN 222229119 U CN222229119 U CN 222229119U CN 202420004931 U CN202420004931 U CN 202420004931U CN 222229119 U CN222229119 U CN 222229119U
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- lock nut
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- annular
- nut body
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- 238000000034 method Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
本实用新型涉及隧道掘进机滚刀技术领域，具体涉及—种TBM滚刀用分半式快速拆卸锁紧螺母，包括上锁紧螺母和下锁紧螺母，所述上锁紧螺母包括右环形部和连接在右环形部两端的上交错部，所述右环形部位于螺母本体右侧，所述上交错部位于螺母本体顶端；所述下锁紧螺母包括左环形部和连接在左环形部两端的下交错部，所述左环形部位于螺母本体左侧，所述下交错部位于螺母本体底端；所述左环形部和右环形部共同构成环形部，所述环形部上设置有工艺孔，所述上交错部和下交错部拼合形成交错部，所述交错部上设置有通透的安装孔；本实用新型可实现快速拆卸，无需使用大锤敲击或者气刨气割的方式，降低了人工劳动强度，配件利用率高，降低滚刀解体成本。
The utility model relates to the technical field of tunnel boring machine roller cutters, and specifically relates to a half-type quick-detachable locking nut for a TBM roller cutter, comprising an upper locking nut and a lower locking nut, wherein the upper locking nut comprises a right annular portion and an upper staggered portion connected to two ends of the right annular portion, the right annular portion is located on the right side of a nut body, and the upper staggered portion is located at the top end of the nut body; the lower locking nut comprises a left annular portion and a lower staggered portion connected to two ends of the left annular portion, the left annular portion is located on the left side of the nut body, and the lower staggered portion is located at the bottom end of the nut body; the left annular portion and the right annular portion together constitute an annular portion, a process hole is provided on the annular portion, the upper staggered portion and the lower staggered portion are spliced to form a staggered portion, and a transparent mounting hole is provided on the staggered portion; the utility model can realize quick disassembly without using a sledgehammer to knock or an air planer or cut, thereby reducing the labor intensity, achieving a high utilization rate of accessories, and reducing the cost of roller cutter disassembly.
Description
Technical Field
The utility model relates to the technical field of tunnel boring machine hobs, in particular to a split type quick-disassembly lock nut and a disassembly tool for a TBM hob.
Background
A full-face Tunnel Boring Machine (TBM) is special mechanical equipment for a large tunnel, and a hob is driven by a cutterhead to roll and break rock, so that the full-face tunnel boring machine has the advantages of high mechanical degree, rapidness, safety, low labor intensity, small stratum disturbance and the like, and plays a key role in water diversion across a river basin, water diversion and water delivery of a large hydropower station and long tunnel construction of railway engineering crossing mountain roads.
Disc cutters are located at the forefront of the TBM and are the key components that come into direct contact with the rock. When the abnormal failure or normal abrasion of the hob ring reaches the limit, the hob needs to be replaced in time, and the replaced hob needs to be disassembled for maintenance and reassembled so as to achieve the purposes of analyzing reasons and optimizing and reutilizing. But the lock nut is difficult to disassemble in the hob disassembly process, needs to be manually hit by a large hammer, has high labor intensity, needs to be disassembled in an air planing or gas cutting mode when the lock nut is completely locked, is easy to damage the sealing installation position of the end cover, causes the end cover to be scrapped, has higher hob disassembly cost, and greatly influences TBM tunneling efficiency.
Therefore, it is desirable to design a lock nut for use with TBM hobs that can be quickly removed.
Disclosure of Invention
The utility model provides a split type quick-disassembly lock nut for a TBM hob, which solves the problems that the hob lock nut is difficult to disassemble and has higher disassembly cost in the prior art, and can be quickly disassembled without using a large hammer to hit when the hob is inspected and maintained, so that the labor intensity is reduced, and the disassembly cost of the hob is reduced.
In order to achieve the above object, the technical scheme of the present utility model is as follows:
The TBM hob is with half quick dismantlement lock nut, including lock nut body, the nut body is annular, the annular hole surface of nut body is provided with the screw thread, the nut body is formed by last lock nut and lower lock nut concatenation, the nut body is used for locking the hob.
The upper lock nut comprises a right annular part and upper staggered parts connected to two ends of the right annular part, the right annular part is positioned on the right side of the nut body, the upper staggered parts are positioned at the top end of the nut body, and the right annular part and the upper staggered parts are of an integrated structure.
The lower lock nut comprises a left annular part and lower staggered parts connected to two ends of the left annular part, the left annular part is positioned at the left side of the nut body, the lower staggered parts are positioned at the bottom end of the nut body, and the left annular part and the lower staggered parts are of an integrated structure.
The left annular part and the right annular part jointly form an annular part, the annular part is provided with a process hole, the process hole is used for inserting a pin, the upper staggered part and the lower staggered part are spliced to form a staggered part, the staggered part is provided with a through mounting hole, a screw is inserted into the mounting hole, and the screw is used for fixing an upper lock nut and a lower lock nut.
Further, the left annular portion and the right annular portion are symmetrically arranged on two sides of the staggered portion, the thickness of the staggered portion is equal to that of the annular portion, the thickness of the upper staggered portion is equal to that of the lower staggered portion, and the annular portion and the staggered portion jointly form the nut body.
Further, the screw is an inner hexagonal countersunk head screw, so that the surface of the nut body is kept flat.
Further, the depth of the process hole is smaller than the depth of the mounting hole.
The utility model provides a dismantle half formula lock nut's extracting tool fast for dismantle half formula for TBM hobbing cutter, including lock nut spanner and pin, lock nut spanner includes annular base, annular base's both sides are provided with the handle, be provided with a plurality of dismantlement holes on annular base's the plane, dismantle downthehole plug pin. The dismounting tool is used for dismounting the split type quick dismounting lock nut for the TBM hob.
And when the lock nut wrench and the pin are sleeved on the lock nut process hole during disassembly, the lock nut wrench and the pin can easily rotate without using a hammer to strike.
Through the technical scheme, the utility model has the beneficial effects that:
The split type locking nut is arranged, the nut body is formed by splicing an upper locking nut and a lower locking nut, the upper locking nut and the lower locking nut are integrally in a semi-annular shape, and the upper locking nut and the lower locking nut are arranged in a staggered mode and are fixed by screws. When the hob is disassembled, the upper lock nut and the lower lock nut can be separated only by removing the screws, and the disassembly tool is assisted to quickly disassemble the lock nuts in a half mode to be easily taken down, so that the hob and other accessories cannot be damaged, the labor intensity of workers is reduced, the efficiency of overhauling cutters is improved, and the disassembly cost of the hob is reduced.
The dismounting tool comprises an annular base, wherein a dismounting hole is formed in the annular base, a pin is inserted into the dismounting hole, the pin and a lock nut process hole are correspondingly formed, when the lock nut is held tightly, the pin is inserted into the process hole and the dismounting hole, a lock nut spanner is connected with the lock nut, the lock nut can be easily rotated by holding the handle, a hammer is not required to be used for knocking, and the labor intensity is reduced.
Drawings
FIG. 1 is a schematic view of a lock nut body according to the present utility model;
FIG. 2 is a second schematic structural view of the lock nut body of the present utility model;
FIG. 3 is a schematic view of an upper lock nut according to the present utility model;
FIG. 4 is a second schematic structural view of the locking nut of the present utility model;
FIG. 5 is a schematic view of a lower lock nut according to the present utility model;
FIG. 6 is a second schematic structural view of the lower lock nut of the present utility model;
FIG. 7 is a schematic view of the construction of the removal tool of the present utility model;
FIG. 8 is a schematic view of the use of the removal tool of the present utility model;
FIG. 9 is a schematic view of the installation of the lock nut of the present utility model in a hob;
In the drawing, the reference numerals are 11 are threads, 12 are mounting holes, 121 are screws, 13 are process holes, 2 are upper lock nuts, 21 are right annular parts, 22 are upper staggered parts, 3 are lower lock nuts, 31 are left annular parts, 32 are lower staggered parts, 4 are hob, 5 are annular bases, 51 are handles, 52 are dismounting holes and 6 are pins.
Detailed Description
The utility model is further described with reference to the drawings and detailed description which follow:
As shown in fig. 1 to 6, the present embodiment provides a split quick-release lock nut for a TBM hob, wherein the threads 11 are not shown in fig. 3 to 6. The split type quick-dismantling nut comprises a locking nut body, as shown in fig. 1 and 2, the nut body is annular, threads 11 are arranged on the surface of an annular inner hole of the nut body, the nut body is formed by splicing an upper locking nut 2 and a lower locking nut 3, the upper locking nut and the lower locking nut are made of alloy structural steel materials, and the nut body has enough strength and hardness after heat treatment tempering, so that the strength of the threads 11 is ensured.
As shown in fig. 3 and 4, the upper lock nut 2 includes a right annular portion 21 and upper staggered portions 22 connected to two ends of the right annular portion 21, the right annular portion 21 is located on the right side of the nut body, the upper staggered portions 22 are located at the top end of the nut body, in this embodiment, 2 process holes 13 are formed in the right annular portion 21, and 5 mounting holes 12 are formed in the upper staggered portions 22 at two ends of the right annular portion 21.
As shown in fig. 5 and 6, the lower lock nut 3 includes a left annular portion 31 and lower staggered portions 32 connected to two ends of the left annular portion 31, the left annular portion 31 is located at the left side of the nut body, the lower staggered portions 32 are located at the bottom end of the nut body, in this embodiment, 2 process holes 13 are formed in the left annular portion 31, and 5 mounting holes 12 are formed in the lower staggered portions 32 at two ends of the left annular portion 31.
The left annular part 31 and the right annular part 21 are symmetrically arranged on two sides of the staggered part, the left annular part 31 and the right annular part 21 jointly form an annular part, the annular part is provided with a process hole 13, and the depth of the process hole 13 is smaller than that of the mounting hole 12. The upper staggered part 22 and the lower staggered part 32 are spliced to form a staggered part, the thickness of the staggered part is equal to that of the annular part, the thickness of the upper staggered part 22 is equal to that of the lower staggered part 32, the staggered part is provided with a through mounting hole 12, and the mounting hole 12 on the upper staggered part 22 and the lower staggered part 32 are correspondingly arranged.
The screw 121 is inserted into the mounting hole 12, the screw 121 is a hexagon socket screw, the screw 121 is used for locking an upper locking nut and a lower locking nut, and the screw 11 is turned after locking.
As shown in fig. 7-8, the present embodiment provides a disassembling tool for quickly disassembling a split type locking nut, which is used for disassembling the split type quick disassembling locking nut for a TBM hob, and comprises a locking nut wrench and a pin 6, wherein the locking nut wrench comprises an annular base 5, handles 51 are arranged on two sides of the annular base 5, supporting ribs are arranged between the annular base 5 and the handles 51 and used for increasing the connection strength between the annular base 5 and the handles 51, a plurality of through disassembling holes 52 are arranged on the plane of the annular base 5, and the pin 6 is inserted into the disassembling holes 52.
The pins 6 are metal cylinders, the height of the pins 6 is larger than that of the annular base 5, the pins 6 are matched with the dismounting holes 52 and the process holes 13, and a plurality of dismounting holes 52 are uniformly distributed on the annular base 5.
Fig. 9 is a schematic view of the installation of the lock nut of the present utility model in a hob 4.
When the hob 4 is disassembled, the inner hexagonal countersunk head screw 121 is firstly disassembled by the inner hexagonal wrench, at this time, the upper lock nut and the lower lock nut are in a separable state, if the lock nut has more muddy water or rock slag, the lock nut wrench and the lock nut can be cleaned firstly, then the lock nut wrench and the lock nut are correspondingly placed, the pin 6 is inserted into the disassembly hole 52 and the process hole 13, the handle is tightly held, the lock nut wrench drives the lock nut to rotate, after the upper lock nut and the lower lock nut are loosened, the upper lock nut 2 and the lower lock nut 3 are respectively taken out from two sides, and the disassembly of the lock nut can be completed, thereby realizing the disassembly of the hob 4.
The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present utility model.
Claims (6)
1. The split type quick-disassembly lock nut for the TBM hob is characterized by comprising a lock nut body, wherein the nut body is annular, threads (11) are arranged on the surface of an annular inner hole of the nut body, and the nut body is formed by splicing an upper lock nut (2) and a lower lock nut (3);
The upper lock nut (2) comprises a right annular part (21) and upper staggered parts (22) connected to two ends of the right annular part (21), the right annular part (21) is positioned on the right side of the nut body, and the upper staggered parts (22) are positioned at the top end of the nut body;
the lower lock nut (3) comprises a left annular part (31) and lower staggered parts (32) connected to two ends of the left annular part (31), the left annular part (31) is positioned at the left side of the nut body, and the lower staggered parts (32) are positioned at the bottom end of the nut body;
The left annular part (31) and the right annular part (21) jointly form an annular part, the annular part is provided with a process hole (13), the upper staggered part (22) and the lower staggered part (32) are spliced to form a staggered part, the staggered part is provided with a through mounting hole (12), and a screw (121) is inserted into the mounting hole (12).
2. A split quick release lock nut for a TBM hob according to claim 1 characterized in that said left (31) and right (21) ring sections are symmetrically arranged on both sides of the stagger section.
3. A split quick release lock nut for TBM hobs according to claim 1 characterized in that said screw (121) is a hexagon socket screw.
4. A split quick release lock nut for TBM hobs according to claim 1 characterized in that the depth of the process hole (13) is less than the depth of the mounting hole (12).
5. A quick detachable half-type lock nut's extracting tool for dismantle a TBM hobbing cutter according to any one of claims 1 to 4 with half-type quick detachable lock nut, characterized in that, including lock nut spanner and pin (6), lock nut spanner includes annular base (5), the both sides of annular base (5) are provided with handle (51), be provided with a plurality of dismantlement holes (52) on the plane of annular base (5), insert pin (6) in dismantlement hole (52).
6. The quick-release half lock nut removing tool according to claim 5, wherein the pins (6) have a height greater than that of the annular base (5), and the plurality of removing holes (52) are uniformly arranged on the annular base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420004931.8U CN222229119U (en) | 2024-01-02 | 2024-01-02 | Half quick dismantlement lock nut and extracting tool are divided to TBM hobbing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420004931.8U CN222229119U (en) | 2024-01-02 | 2024-01-02 | Half quick dismantlement lock nut and extracting tool are divided to TBM hobbing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222229119U true CN222229119U (en) | 2024-12-24 |
Family
ID=93914402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420004931.8U Active CN222229119U (en) | 2024-01-02 | 2024-01-02 | Half quick dismantlement lock nut and extracting tool are divided to TBM hobbing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222229119U (en) |
-
2024
- 2024-01-02 CN CN202420004931.8U patent/CN222229119U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |