CN218062316U - Cutter head of small-diameter shield tunneling machine - Google Patents
Cutter head of small-diameter shield tunneling machine Download PDFInfo
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- CN218062316U CN218062316U CN202222587763.3U CN202222587763U CN218062316U CN 218062316 U CN218062316 U CN 218062316U CN 202222587763 U CN202222587763 U CN 202222587763U CN 218062316 U CN218062316 U CN 218062316U
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- cutter
- cutter head
- spokes
- cutterhead
- tunneling machine
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- 230000005641 tunneling Effects 0.000 title claims abstract description 25
- 239000002689 soil Substances 0.000 claims abstract description 22
- 239000002893 slag Substances 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims description 12
- 239000006260 foam Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a cutter head of a small-diameter shield tunneling machine, which comprises a cutter head and a cutter, wherein the center of the cutter head is provided with a slag hole for slag discharge, the cutter head comprises a panel and at least two spokes, and the spokes pass through the center of the cutter head and are arranged along the radial direction; the panel is arranged between the adjacent spokes; the cutter is used for excavating soil, and the cutter is arranged on the outer end faces of the cutter head and the spokes. The application provides a cutter disc, when excavating in the minor diameter tunnel, the dregs can be followed the hole of slagging tap and discharged, provides more spaces for the discharge of dregs to improve the efficiency of slagging tap of shield structure machine, be provided with spoke and panel simultaneously on the cutter disc, can effectively guarantee the structural rigidity and the intensity of cutter disc.
Description
Technical Field
The utility model relates to a tunnel excavation construction equipment technical field, more specifically say, relate to a cutterhead that minor diameter shield constructs machine.
Background
With the rapid development of Chinese urbanization, urban rail transit and related industries rapidly develop in China, shield construction is widely applied all over the country, a shield machine is suitable for mechanical equipment for tunnel excavation, a cutter head is a main component for tunneling of the shield machine, and designers of the shield machine design the cutter heads of the shield machine in different forms in order to adapt to geological environments of shield construction projects all over the country.
The existing shield cutter head is of a panel cutter head structure, the panel cutter head is safe and reliable when the cutter is changed, soil bodies are easy to adhere and block during excavation, mud cakes are easy to form on the cutter head, the space where the front end cutter head is located is narrow and small in a small-diameter tunnel, and the slag discharging efficiency is lower if the panel cutter head is used.
In conclusion, how to solve the problem of low slag discharging efficiency of the shield tunneling machine in the small-diameter tunnel is a problem to be solved urgently by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a cutterhead of small diameter shield constructs machine can improve the efficiency of slagging tap of shield structure machine in small diameter tunnel.
In order to achieve the above object, the present invention provides the following technical solutions:
a cutterhead of a small-diameter shield tunneling machine, comprising:
the center of the cutter head is provided with a slag hole for slag tapping, the cutter head comprises a panel and at least two spokes, and the spokes penetrate through the center of the cutter head and are arranged along the radial direction of the cutter head; the panel is arranged between the adjacent spokes;
the cutter is used for excavating soil, and the cutter is arranged on the cutter head and the outer end face of the spoke.
Preferably, the cutter comprises a central fishtail knife mounted at the center of the spoke.
Preferably, the cutter comprises a cutter, and the cutter is detachably mounted on two sides of the spoke.
Preferably, the cutter comprises at least two shell knives, and the at least two shell knives are installed on the outer end surface of the cutter head in a staggered mode along the radial direction.
Preferably, the cutter comprises an ultra-digging cutter, and the ultra-digging cutter is arranged at the outer end part of the spoke.
Preferably, the centers of the inner end surfaces of the spokes are connected with a central cylinder for supporting the cutter head and the spokes.
Preferably, one end, far away from the cutter head, of the central cylinder is connected with a large flange, and the large flange is connected with a main drive of the shield tunneling machine.
Preferably, the periphery of the cutter head is provided with a wear-resisting device.
Preferably, the inner end surfaces of the spokes are provided with stirring rods for stirring the muck.
Preferably, the outer end faces of the cutter head and the spokes are provided with foam generating cylinders.
The utility model provides a small diameter shield constructs blade disc of machine, including blade disc and cutter, the blade disc center is equipped with the hole of slagging tap, and the outer terminal surface of blade disc and spoke are located along radially being equipped with the spoke to the outer terminal surface of blade disc, cutter.
When the shield tunneling machine tunnels, the soil body is excavated through the cutter head and the cutters on the spokes, the excavated dregs can be discharged from a dreg outlet hole arranged in the center of the cutter head, and the spokes arranged on the cutter head can ensure the structural rigidity and the strength of the cutter head.
The application provides a cutter disc, when excavating in the minor diameter tunnel, the dregs can be followed the hole of slagging tap and discharged, provides more spaces for the discharge of dregs to improve the efficiency of slagging tap of shield structure machine, be provided with spoke and panel simultaneously on the cutter disc, can effectively guarantee the structural rigidity and the intensity of cutter disc.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cutter head of a small-diameter shield tunneling machine provided by the present invention;
fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
In FIGS. 1-2:
1 is a cutter, 2 is spokes, 3 is a panel, 4 is a support ring, 5 is a large circular ring, 6 is a central cylinder, 7 is a large flange, 8 is a stirring rod, 9 is a foam generating cylinder, and 10 is a cutter head;
101 is a central fishtail cutter, 102 is a small cutter, 103 is a double-row cutter, 104 is a shell cutter, and 105 is a super digging cutter.
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.
The core of the utility model is to provide a minor diameter shield constructs blade disc of machine can improve the shield and construct the slag output efficiency of machine in the minor diameter tunnel.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a cutter head of a small-diameter shield tunneling machine; fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
The cutter head of the small-diameter shield tunneling machine comprises a cutter head 10 and a cutter 1, wherein a slag hole for discharging slag is formed in the center of the cutter head 10, the cutter head 10 comprises a panel 3 and at least two spokes 2, and the spokes 2 penetrate through the center of the cutter head 10 and are arranged along the radial direction of the cutter head 10; the panel 3 is arranged between the adjacent spokes 2; the cutter 1 is used for excavating soil, and the cutter 1 is arranged on the cutter head 10 and the outer end face of the spoke 2.
Specifically, cutter head 10 is the ring structure, and the surface of cutter head 10 is equipped with the panel 3 that is used for installing cutter 1, and the outer terminal surface of cutter head 10 evenly is equipped with spoke 2, and the inner of spoke 2 intersects in the center of cutter head 10, and the outer end is connected with the big ring 5 of locating the most outer fringe of cutter head 10, and the inner ring face of cutter head 10 is equipped with support ring 4, and the both ends of panel 3 are connected with support ring 4, big ring 5 respectively, and big ring 5 and support ring 4 are used for supporting cutter head 10. As shown in fig. 1, the number of the spokes 2 is four, and the number of the panels 3 is also four, however, the number of the spokes 2 and the panels 3 may be other values, which is determined according to the actual situation.
When the shield tunneling machine tunnels, the soil body is excavated through the cutter 1 on the cutter head 10 and the spokes 2, the excavated dregs can be discharged from a slag hole arranged in the center of the cutter head 10, and the cutter head 10 is simultaneously provided with the spokes 2 and the panel 3, so that the structural rigidity and the strength of the cutter head 10 can be effectively ensured.
The application provides a blade disc combines panel mount blade disc and spoke formula blade disc, and when excavating in the minor diameter tunnel, the hole of slagging tap can be followed to the dregs and discharged, provides more spaces for the discharge of dregs to improve the efficiency of slagging tap of shield structure machine, the structural rigidity and the intensity of blade disc 10 can be guaranteed to spoke 2 on the blade disc 10 simultaneously, the hole aperture opening rate of slagging tap that blade disc 10 seted up simultaneously is about 50%, be convenient for slag tap.
Alternatively, other numbers of spokes 2 and panels 3 may be provided.
Alternatively, the spokes 2 may also be arranged non-uniformly.
Alternatively, the opening ratio of the slag hole may be 55% or other values.
On the basis of the above embodiment, the cutter 1 comprises a central fishtail 101, and the central fishtail 101 is mounted at the center of the spoke 2.
Specifically, the central fishtail knife 101 is arranged at the intersection of the four spokes 2, namely the center of the cutter head 10, and the central fishtail knife 101 is arranged at the center of the cutter head 10, so that the shield tunneling machine can conveniently perform tunneling positioning and soil body cutting.
On the basis of the above embodiment, the cutter 1 includes cutters, and the cutters are detachably mounted on two sides of the spoke 2.
Specifically, the cutters include a small cutter 102 and two rows of cutters 103, the small cutter 102 and the two rows of cutters 103 are both installed on two sides of the spoke 2, and the two rows of cutters 103 are radially arranged on the outer side of the small cutter 102 and are arranged on the installation seat of the spoke 2 side by side with the small cutter 102.
Because the small cutters 102 and the double rows of cutters 103 bear larger force in the soil cutting process, the small cutters 102 and the double rows of cutters 103 are detachably arranged on the spokes 2, the abrasion of the cutter head 10 can be reduced, and the utilization rate of the cutter head 10 is improved.
Alternatively, the small cutters 102 and the double row of cutters 103 may be mounted on the spokes 2 in other ways.
On the basis of the above embodiment, the cutter 1 includes at least two shell knives 104, and at least two shell knives 104 are installed on the outer end surface of the cutter head 10 in a staggered manner along the radial direction.
Specifically, four panels 3 are arranged on the cutter head 10, each panel 3 is provided with three shell knives 104, the three shell knives 104 on each panel 3 are arranged in a staggered manner along the radial direction, meanwhile, the shell knives 104 on each panel 3 are also arranged in a staggered manner along the radial direction, two shell knives 104 are arranged on the central line of each spoke 2, and each shell knife 104 is arranged in a staggered manner along the radial direction, so that when the cutter head 10 rotates, the track of each shell knife 104 is staggered, and soil can be fully cut.
Alternatively, other numbers of shell knives 104 may be provided.
On the basis of the above-described embodiment, the tool 1 comprises a super-cutter 105, and the super-cutter 105 is arranged at the outer end of the spoke 2.
Specifically, the super-digging cutter 105 is arranged at one end of the spoke 2 far away from the center, namely the super-digging cutter 105 is arranged at the side part of the cutter head 10, when the shield machine advances, turns or corrects the deviation at a curve section, a required space can be created by cutting the soil body through the super-digging cutter 105, and the functions of curve advancing, smooth turning and correction are realized under the conditions that the super-digging is less and the interference to the surrounding soil body is small, so that the shield machine is suitable for small-diameter tunnels.
On the basis of any one of the above schemes, the centers of the inner end surfaces of the spokes 2 are connected with the central cylinder 6 for supporting the cutter head 10 and the spokes 2.
Specifically, the inner end face of the intersection of the spokes 2 is connected with the central cylinder 6, the rear end of the central cylinder 6 is connected with the main drive, the inside of the central cylinder is a rotary central channel, and the cutter head 10 can liberate the space occupied by the middle bracket in the middle support mode in a central support mode, so that the space of a soil bin in a small-diameter tunnel is saved, the saved space can be used for bearing soil, and a space can be reserved for workers who halt midway and change the cutter 1 to enter the soil bin.
On the basis of the embodiment, one end of the central cylinder 6, which is far away from the cutter head 10, is connected with a large flange 7, and the large flange 7 is connected with a main drive of the shield tunneling machine.
Specifically, one end, far away from the cutter head 10, of the central cylinder 6 is connected with a large flange 7, the rear side of the large flange 7 is connected with a main drive, the large flange 7 is arranged, the cutter head 10 and the central cylinder 6 can be conveniently installed in a small space, and meanwhile the large flange 7 can ensure that the cutter head 10 rotates along with the main drive.
On the basis of any one of the above schemes, the periphery of the cutter head 10 is provided with a wear-resisting device.
Specifically, the wear-resistant alloy blocks are welded on the outer side of the large circular ring 5, so that the wear speed of the cutter head 10 during soil body cutting is reduced, the service life of the whole cutter head 10 is prolonged, and meanwhile, the frequency of replacing the cutter head 10 by workers is reduced.
Alternatively, wear blocks of other materials may be provided.
On the basis of any one scheme, the inner end face of the spoke 2 is provided with a stirring rod 8 for stirring the muck.
Specifically, the inner end face of each spoke 2, which is positioned at the slag hole, is provided with a stirring rod 8, when the shield tunneling machine tunnels and the cutter head 10 cuts soil, the stirring rod 8 can rotate along with the cutter head 10, so that the soil entering the soil bin from the slag hole can be stirred, and the soil can smoothly enter the spiral conveyor, so that the slag soil can be conveyed.
Alternatively, several of the spokes 2 may be provided with the stirring rod 8, and the other spokes 2 may not be provided with the stirring rod 8.
Alternatively, two or more stirring rods 8 may be provided per spoke 2.
On the basis of any one of the above schemes, the cutter head 10 and the outer end faces of the spokes 2 are provided with foam generating cylinders 9.
Specifically, the foam generating cylinders 9 are respectively arranged at the center of the cutter head 10, the middle of the spoke 2 and the outer end of the spoke 2, so that soil is prevented from being bonded on the cutter head 10, and the slag discharging efficiency of the cutter head 10 is improved.
Alternatively, the foam generating cylinder 9 may be disposed at other positions according to the requirement.
Alternatively, other numbers of foam generating cartridges 9 may be provided.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a small diameter shield constructs cutter head of machine and has introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a cutterhead of small diameter shield constructs machine which characterized in that includes:
the center of the cutter head (10) is provided with a slag hole for slag discharging, the cutter head (10) comprises a panel (3) and at least two spokes (2), and the spokes (2) penetrate through the center of the cutter head (10) and are arranged along the radial direction of the cutter head (10); the panel (3) is arranged between the adjacent spokes (2);
the cutter (1) is used for excavating soil, and the cutter (1) is arranged on the cutter head (10) and the outer end face of the spoke (2).
2. Cutterhead for a small diameter shield tunneling machine according to claim 1, characterized in that the cutter (1) includes a central fishtail (101), said central fishtail (101) being mounted in the center of the spokes (2).
3. Cutterhead in accordance with claim 2, characterized in that the cutters (1) comprise cutting knives, which are detachably mounted on both sides of the spokes (2).
4. The cutterhead of the small-diameter shield tunneling machine according to claim 3, wherein the cutter (1) includes at least two shell knives (104), and at least two shell knives (104) are installed on the outer end face of the cutterhead (10) in a staggered manner in the radial direction.
5. Cutterhead for a small diameter shield tunneling machine according to claim 4, characterized in that the cutter (1) includes a super-digger (105), the super-digger (105) being provided at the outer end of the spokes (2).
6. Cutterhead for a small diameter shield tunneling machine according to any of claims 1-5, characterized in that the centers of the inner end faces of the spokes (2) are connected to the central cylinder (6) for supporting the cutterhead (10) and the spokes (2).
7. The cutterhead of a small-diameter shield tunneling machine according to claim 6, wherein a large flange (7) is connected to one end of the central cylinder (6) far away from the cutterhead (10), and the large flange (7) is connected with a main drive of the shield tunneling machine.
8. Cutterhead for a small diameter shield tunneling machine according to any of claims 1-5, characterized in that the periphery of the cutterhead (10) is provided with wear-resistant means.
9. Cutterhead for a small diameter shield tunneling machine according to any of claims 1-5, characterized in that the inner end faces of the spokes (2) are provided with stirring rods (8) for stirring the slag.
10. A cutterhead for a small-diameter shield tunneling machine according to any one of claims 1-5, wherein foam generating cylinders (9) are provided on the outer end surfaces of the cutterhead (10) and the spokes (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222587763.3U CN218062316U (en) | 2022-09-28 | 2022-09-28 | Cutter head of small-diameter shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222587763.3U CN218062316U (en) | 2022-09-28 | 2022-09-28 | Cutter head of small-diameter shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218062316U true CN218062316U (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222587763.3U Active CN218062316U (en) | 2022-09-28 | 2022-09-28 | Cutter head of small-diameter shield tunneling machine |
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| CN (1) | CN218062316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145395A (en) * | 2023-10-31 | 2023-12-01 | 南通铭翰机械科技有限公司 | High-efficiency drilling bit |
-
2022
- 2022-09-28 CN CN202222587763.3U patent/CN218062316U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117145395A (en) * | 2023-10-31 | 2023-12-01 | 南通铭翰机械科技有限公司 | High-efficiency drilling bit |
| CN117145395B (en) * | 2023-10-31 | 2024-02-20 | 南通铭翰机械科技有限公司 | High-efficiency drilling bit |
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