CN207554056U - A kind of cutterhead for karst area upper-soft lower-hard ground - Google Patents
A kind of cutterhead for karst area upper-soft lower-hard ground Download PDFInfo
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- CN207554056U CN207554056U CN201721607592.9U CN201721607592U CN207554056U CN 207554056 U CN207554056 U CN 207554056U CN 201721607592 U CN201721607592 U CN 201721607592U CN 207554056 U CN207554056 U CN 207554056U
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- cutterhead
- spoke
- central hob
- panel
- snubber block
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Abstract
The utility model discloses a kind of cutterheads for karst area upper-soft lower-hard ground, including cutterhead, hobboing cutter, edge doctor, face-side doctor blade and gauge knife, the cutterhead is provided with two orthogonal spokes, central hob is provided at the position of the spoke center connection, the spoke junction offers and the matched cutter groove of the central hob, the central hob is connected with snubber block by shaft, the cutter groove side wall offers and the matched damping trough of the snubber block, the snubber block is connect by damping spring with the damping trench bottom, the spoke outer end is connected with first panel, second panel is provided between the spoke.The utility model is simple in structure; it is easy to use; when constructing to karst area; the central hob rotated when encountering hard object; it is shunk by damping trough and snubber block and damping spring (7); it is moved inside toward cutter groove, avoids the damage of central hob, play the role of protecting central hob.
Description
Technical field
The utility model is related to field of mechanical technique, more particularly, to a kind of knife for karst area upper-soft lower-hard ground
Disk.
Background technology
Shield-tunneling construction refers to carrying out the construction method of the operations such as tunnel excavation, lining cutting using shield machine (TBM).Due to shield
Structure construction, which belongs to underground construction, does not influence traffic above-ground, the constructing operation also not influence of climate condition, the vibration of generation, noise
Deng it is smaller to environmental hazard many advantages, such as；Therefore, at present in the underground engineerings infrastructure such as tunnel piercing, excavation of subway into
For main construction method.Main broken rock as shield machine of cutterhead, cutter, the important critical component of cutting, especially over the ground
The adaptability of layer, drivage efficiency of constructing, abrasion tool changing frequency, project cost etc. influence especially pronounced；Therefore, to make shield
Being optimal of construction, the Research on configuration of selection and cutter for cutterhead have become the important research direction in shield-tunneling construction.
Existing cutterhead cannot be effectively protected central hob in soft lower hard bottom on karst area.
Utility model content
The purpose of the utility model is to overcome the technologies that cannot be protected present in existing technology to central hob to ask
Topic, provides a kind of cutterhead for karst area upper-soft lower-hard ground that can be protected to central hob.
To realize above-mentioned technical purpose and the technique effect, the utility model is to be achieved through the following technical solutions：
A kind of cutterhead for karst area upper-soft lower-hard ground, including cutterhead, hobboing cutter, edge doctor, face-side doctor blade and guarantor
Diameter knife, the cutterhead are provided with two orthogonal spokes, central hob are provided at the position of the spoke center connection,
The spoke junction is offered to be connected with the matched cutter groove of the central hob, the central hob by shaft
Snubber block, the cutter groove side wall offer with the matched damping trough of the snubber block, the snubber block by damping spring with
The damping trench bottom connection, the spoke outer end is connected with first panel, second panel is provided between the spoke.
Preferably, the hobboing cutter is arranged in the spoke and the second panel.
Preferably, the edge doctor is arranged on the side wall of the second panel outer end.
Preferably, the face-side doctor blade is arranged on the spoke and second panel inner end side wall.
Preferably, the gauge knife is arranged on the cutterhead edge.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is simple in structure, easy to use, when constructing to karst area, when encountering hard object
The central hob of rotation is shunk by damping trough and snubber block and damping spring 7, toward cutter groove inside move, avoid center rolling
The damage of knife is played the role of protecting central hob.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the cutter groove sectional view of the utility model；
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -2, the specific embodiment of this implementation is to be a kind of for karst area upper-soft lower-hard ground
Cutterhead, including cutterhead 1, hobboing cutter 10, edge doctor 11, face-side doctor blade 12 and gauge knife 13, cutterhead 1 be provided with two it is orthogonal
Spoke 2,2 center of spoke connection position at be provided with central hob 3,2 junction of spoke is offered to be matched with central hob 3
Cutter groove 4, central hob 3 is connected with snubber block 5 by shaft, and 4 side wall of cutter groove offers and snubber block 5 is matched subtracts
Shake slot 6, snubber block 5 connect by damping spring 7 with 6 bottom of damping trough, and 2 outer end of spoke is connected with first panel 8, spoke 2 it
Between be provided with second panel 9.
Wherein, hobboing cutter 10 is arranged on spoke 2 and in second panel 9, hobboing cutter 10 is primarily used to breaking hard rock；Edge doctor 11
It is arranged on 9 outer end side wall of second panel, edge doctor 11 is used to dispose mud clast in rotation；Face-side doctor blade 12 is arranged on
On 9 inner end side wall of spoke 2 and second panel, face-side doctor blade 12 is used to wipe the mud clast for needing to wipe off off from front；Gauge knife
13 are arranged on 1 edge of cutterhead, and gauge knife 13 avoids cutterhead 1 from deforming, and protect 1 diameter of cutterhead.
The present embodiment has particular application as a kind of cutterhead for karst area upper-soft lower-hard ground, including cutterhead 1, hobboing cutter
10, edge doctor 11, face-side doctor blade 12 and gauge knife 13, cutterhead 1 are provided with two orthogonal spokes 2, and 2 center of spoke connects
Central hob 3 is provided at the position connect, 2 junction of spoke offers and 3 matched cutter groove 4 of central hob, central hob 3
Snubber block 5 is connected with by shaft, 4 side wall of cutter groove is offered to be passed through with 5 matched damping trough 6 of snubber block, snubber block 5
Damping spring 7 is connect with 6 bottom of damping trough, and 2 outer end of spoke is connected with first panel 8, and second panel 9 is provided between spoke 2,
When constructing to karst area, the central hob 3 that rotates when encountering hard object passes through damping trough 6 and snubber block 5
And damping spring 7 is shunk, toward cutter groove 4 inside move, avoid the damage of central hob.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one of the utility model is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In combine in an appropriate manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only the specific embodiment also not limit the utility model.Obviously, according to this theory
The content of bright book can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
The principle and practical application of the utility model is explained, so as to which skilled artisan be enable to be best understood by and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of cutterhead for karst area upper-soft lower-hard ground, including cutterhead (1), hobboing cutter (10), edge doctor (11), front
Scraper (12) and gauge knife (13), it is characterised in that：The cutterhead (1) is provided with two orthogonal spokes (2), the spoke
Central hob (3) is provided at the position of item (2) center connection, spoke (2) junction offers and the central hob
(3) matched cutter groove (4), the central hob (3) are connected with snubber block (5), cutter groove (4) side wall by shaft
It offers and passes through damping spring (7) and the damping with the snubber block (5) matched damping trough (6), the snubber block (5)
Slot (6) bottom connects, and spoke (2) outer end is connected with first panel (8), second panel is provided between the spoke (2)
(9)。
A kind of 2. cutterhead for karst area upper-soft lower-hard ground according to claim 1, which is characterized in that the rolling
Knife (10) is arranged in the spoke (2) and the second panel (9).
A kind of 3. cutterhead for karst area upper-soft lower-hard ground according to claim 1, which is characterized in that the side
Scraper (11) is arranged on the side wall of the second panel (9) outer end.
4. a kind of cutterhead for karst area upper-soft lower-hard ground according to claim 1, which is characterized in that it is described just
Face scraper (12) is arranged on the spoke (2) and second panel (9) inner end side wall.
A kind of 5. cutterhead for karst area upper-soft lower-hard ground according to claim 1, which is characterized in that the guarantor
Diameter knife (13) is arranged on the cutterhead (1) edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607592.9U CN207554056U (en) | 2017-11-27 | 2017-11-27 | A kind of cutterhead for karst area upper-soft lower-hard ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721607592.9U CN207554056U (en) | 2017-11-27 | 2017-11-27 | A kind of cutterhead for karst area upper-soft lower-hard ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554056U true CN207554056U (en) | 2018-06-29 |
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ID=62677585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721607592.9U Active CN207554056U (en) | 2017-11-27 | 2017-11-27 | A kind of cutterhead for karst area upper-soft lower-hard ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184716A (en) * | 2018-11-12 | 2019-01-11 | 严小英 | A kind of external driving component of cutter head of shield machine |
| CN114278327A (en) * | 2021-12-22 | 2022-04-05 | 沭阳天勤工具有限公司 | Intelligent hard object detection drilling and excavating tool |
-
2017
- 2017-11-27 CN CN201721607592.9U patent/CN207554056U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184716A (en) * | 2018-11-12 | 2019-01-11 | 严小英 | A kind of external driving component of cutter head of shield machine |
| CN109184716B (en) * | 2018-11-12 | 2020-07-14 | 嘉兴麦瑞网络科技有限公司 | External tunneling assembly of shield tunneling machine cutter head |
| CN114278327A (en) * | 2021-12-22 | 2022-04-05 | 沭阳天勤工具有限公司 | Intelligent hard object detection drilling and excavating tool |
| CN114278327B (en) * | 2021-12-22 | 2023-07-28 | 沭阳天勤工具有限公司 | Intelligent hard object detection drilling excavation tool |
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