CN209761435U - Cutter device of shield tunnel boring machine - Google Patents
Cutter device of shield tunnel boring machine Download PDFInfo
- Publication number
- CN209761435U CN209761435U CN201920046427.3U CN201920046427U CN209761435U CN 209761435 U CN209761435 U CN 209761435U CN 201920046427 U CN201920046427 U CN 201920046427U CN 209761435 U CN209761435 U CN 209761435U
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- shaft sleeve
- connecting shaft
- cutter
- cutter device
- axle sleeve
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Abstract
The utility model discloses a shield tunnel boring machine cutter device, which comprises a connecting shaft sleeve and a cutter ring, wherein the inner wall of the connecting shaft sleeve is provided with a plurality of locking threads, the locking threads are seamlessly connected with the connecting shaft sleeve, the inner wall of the connecting shaft sleeve is provided with locking holes, the locking holes are embedded in the connecting shaft sleeve, the bottom of the connecting shaft sleeve is provided with a clamping groove, the side surface of the connecting shaft sleeve is nested with a connecting part, the connecting part is seamlessly connected with the connecting shaft sleeve, the side surface of the connecting part is provided with the cutter ring, the cutter ring is nested on the connecting part and seamlessly connected with the connecting part, the side surface of the cutter ring is provided with a cutter clamping tooth, the shield tunnel boring machine cutter device has compact and stable structure, high safety, convenient and flexible use, safe and reliable operation, high stability, strong wear resistance, difficult damage and convenient, the casting cost is low, the use is convenient, and the method has wide application prospect and practical advantages.
Description
Technical Field
The utility model relates to a hobbing cutter ring technical field specifically is a shield tunnel entry driving machine cutter device.
Background
The shield method is a fully mechanical construction method in the construction of the undercut method, it is to advance the shield machinery in the ground, prevent the collapse to the tunnel in through shield outer casing and pipe sheet support surrounding rock, excavate the soil body with the cutting device in the front of the excavation face at the same time, transport out of the hole through the unearthed machinery, rely on the jack to pressurize and jack in the rear portion, and assemble the precast concrete pipe sheet, form a mechanical construction method of the tunnel structure, with the continuous development and expansion of the urban scale, the subway has become the best way to solve the traffic problem of big city and extra large city. Subways are built in a plurality of cities of a plurality of countries all over the world, along with social development, the number of traffic ways such as the subways is increased, the speed of building the subways is increased, and in the process of building the subways, a tunnel is required to be excavated, and a hob ring is an essential tool in tunnel excavation work.
The existing cutter device of the shield tunnel boring machine uses interference fit to connect the cutter ring and the cutter shaft, and although the connection mode is stable, gaps still exist, and the cutter also has the problem of being separated from the cutter ring and needs to be improved.
Therefore, how to design a cutter device of the shield tunnel boring machine becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shield tunnel entry driving machine cutter device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shield tunnel entry driving machine cutter device, includes connecting axle sleeve and cutter ring, the connecting axle sleeve inner wall is equipped with a plurality of locking screw threads, locking screw thread with connecting axle sleeve seamless connection, the connecting axle sleeve inner wall is equipped with the locking hole, locking hole embedding set up in the connecting axle sleeve, the connecting axle sleeve bottom is equipped with the chucking groove, connecting portion are nested to the connecting axle sleeve side, connecting portion with connecting axle sleeve seamless connection, the connecting portion side is equipped with the cutter ring, the cutter ring nestification set up in on the connecting portion, and with connecting portion seamless connection, the cutter ring side is equipped with the broach tooth, broach tooth side is equipped with the blade lockhole.
Furthermore, a metal sealing ring is arranged on the side surface of the connecting shaft sleeve.
Furthermore, the surface of the cutter ring is provided with a nitriding layer.
Further, the diameter of the locking hole is 2.5cm, and the depth of the locking hole is 1.5 cm.
Further, the thickness of the locking thread is 0.5 cm.
Further, the diameter of the blade lock hole is 1.3 cm.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of shield tunnel boring machine cutter device, the joint between cutter ring and the arbor is more firm, and the cutter ring takes place that the displacement drops the probability that the scheduling problem appears littleer, can improve tunnel excavation efficiency and speed, this kind of shield tunnel boring machine cutter device compact structure, stability, and the security is high, and convenient to use is nimble moreover, operation safe and reliable, and stability is high, and the wearability is strong, and is not fragile, and it is convenient to load and unload, and casting cost is little, and convenient to use has wide application prospect and practical advantage.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the longitudinal structure of the cutter ring of the present invention;
Fig. 3 is an enlarged schematic view of a0 part of fig. 2 according to the present invention;
In the figure: 1-connecting the shaft sleeve; 101-locking screw thread; 102-a locking hole; 103-a clamping groove; 104-metal sealing ring; 2-a connecting part; 3-cutter ring; 301-bayonet teeth; 302-blade lock hole; 4-nitriding layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a shield tunnel entry driving machine cutter device, including connecting sleeve 1 and cutter ring 3, 1 inner wall of connecting sleeve is equipped with a plurality of locking screw thread 101, locking screw thread 101 and 1 seamless connection of connecting sleeve, 1 inner wall of connecting sleeve is equipped with locking hole 102, the embedding of locking hole 102 sets up in connecting sleeve 1, 1 bottom of connecting sleeve is equipped with chucking groove 103, 1 side of connecting sleeve nestification has connecting portion 2, connecting portion 2 and 1 seamless connection of connecting sleeve, 2 sides of connecting portion are equipped with cutter ring 3, 3 nestings of cutter ring set up on connecting portion 2, and with 2 seamless connection of connecting portion, 3 sides of cutter ring are equipped with card sword tooth 301, card sword tooth 301 sides are equipped with blade lockhole 302.
When the connecting shaft sleeve is used, the connecting shaft sleeve 1 is sleeved on a cutter shaft, then the connecting shaft sleeve 1 is rotated, locking threads 101 on the inner wall of the connecting shaft sleeve 1 are meshed with threads on the cutter shaft, so that the connecting shaft sleeve 1 is fixed on the cutter shaft, meanwhile, it is ensured that locking holes 102 on the inner wall of the connecting shaft sleeve 1 can correspond to locking blocks on the cutter shaft one to one, the stability of the connecting shaft sleeve 1 is ensured, then a cutter is installed in cutter clamping teeth 301 on a cutter ring 3, and then the cutter is fixed by using a cutter locking hole 302.
The utility model discloses in, connecting shaft sleeve 1 side is equipped with metal seal 104, metal seal 104 through the setting can seal up outside gap, just in infiltration gaps such as dust when carrying out the tunnel excavation, lead to 3 card of rim to die damage even, reduce the fault rate of the device, 3 surfaces of rim are equipped with nitriding layer 4, nitrogen in the infiltration steel forms the iron nitride of different nitrogen contents with iron by table in one side, combine to form various alloy nitrides with the alloy element in the steel on the one hand, can strengthen the intensity and the hardness of rim 3 greatly, let its difficult wearing and tearing, the diameter in locking hole is 2.5cm, its degree of depth is 1.5cm, the thickness of locking screw thread 101 is 0.5cm, the diameter of blade lockhole 302 is 1.3 cm.
The working principle is as follows: firstly, when in use, the connecting shaft sleeve 1 is sleeved on a cutter shaft, then the connecting shaft sleeve 1 is rotated, the locking threads 101 on the inner wall of the connecting shaft sleeve 1 are meshed with the threads on the cutter shaft, so that the connecting shaft sleeve 1 is fixed on the cutter shaft, meanwhile, the locking holes 102 on the inner wall of the connecting shaft sleeve 1 are ensured to be in one-to-one correspondence with the locking blocks on the cutter shaft, the stability of the connecting shaft sleeve 1 is ensured, then a cutter is arranged in the cutter clamping teeth 301 on the cutter ring 3, then the cutter is fixed by using the cutter locking holes 302, because the metal sealing rings 104 are arranged on the side surfaces of the connecting shaft sleeve 1, the external gaps can be sealed by the arranged metal sealing rings 104, so that dust and the like penetrate into the gaps when tunnel excavation is carried out, the cutter ring 3 is clamped or even damaged, the failure rate of the device is reduced, the nitriding layer 4 is arranged on the surface of the cutter ring 3, and the nitrogen, on one hand, the cutting tool ring is combined with alloy elements in steel to form various alloy nitrides, so that the strength and hardness of the cutting tool ring 3 can be greatly enhanced, and the cutting tool ring is not easy to wear.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a shield tunnel entry-driving machine cutter device, includes connecting sleeve (1) and cutter ring (3), its characterized in that: connecting axle sleeve (1) inner wall is equipped with a plurality of locking screw threads (101), locking screw thread (101) with connecting axle sleeve (1) seamless connection, connecting axle sleeve (1) inner wall is equipped with locking hole (102), locking hole (102) embedding set up in connecting axle sleeve (1), connecting axle sleeve (1) bottom is equipped with chucking groove (103), connecting axle sleeve (1) side nestification has connecting portion (2), connecting portion (2) with connecting axle sleeve (1) seamless connection, connecting portion (2) side is equipped with sword circle (3), sword circle (3) nestification set up in on connecting portion (2), and with connecting portion (2) seamless connection, sword circle (3) side is equipped with broach tooth (301), broach tooth (301) side is equipped with blade lockhole (302).
2. The shield tunneling machine cutter device according to claim 1, characterized in that: and a metal sealing ring (104) is arranged on the side surface of the connecting shaft sleeve (1).
3. The shield tunneling machine cutter device according to claim 1, characterized in that: the surface of the cutter ring (3) is provided with a nitriding layer (4).
4. The shield tunneling machine cutter device according to claim 1, characterized in that: the diameter of the locking hole is 2.5cm, and the depth of the locking hole is 1.5 cm.
5. The shield tunneling machine cutter device according to claim 1, characterized in that: the thickness of the locking thread (101) is 0.5 cm.
6. the shield tunneling machine cutter device according to claim 1, characterized in that: the diameter of the blade lock hole (302) is 1.3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046427.3U CN209761435U (en) | 2019-01-11 | 2019-01-11 | Cutter device of shield tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046427.3U CN209761435U (en) | 2019-01-11 | 2019-01-11 | Cutter device of shield tunnel boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761435U true CN209761435U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920046427.3U Active CN209761435U (en) | 2019-01-11 | 2019-01-11 | Cutter device of shield tunnel boring machine |
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| CN (1) | CN209761435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646956A (en) * | 2020-12-17 | 2021-04-13 | 江苏大学 | Wear-resistant shield tunneling machine hard rock cutter ring and preparation method and application thereof |
-
2019
- 2019-01-11 CN CN201920046427.3U patent/CN209761435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646956A (en) * | 2020-12-17 | 2021-04-13 | 江苏大学 | Wear-resistant shield tunneling machine hard rock cutter ring and preparation method and application thereof |
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