CN112593964B - Efficient pipe pushing jack blade disc - Google Patents
Efficient pipe pushing jack blade disc Download PDFInfo
- Publication number
- CN112593964B CN112593964B CN202011443895.8A CN202011443895A CN112593964B CN 112593964 B CN112593964 B CN 112593964B CN 202011443895 A CN202011443895 A CN 202011443895A CN 112593964 B CN112593964 B CN 112593964B
- Authority
- CN
- China
- Prior art keywords
- cutter head
- soil
- hob
- rotating shaft
- push bench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002689 soil Substances 0.000 claims abstract description 61
- 238000007790 scraping Methods 0.000 claims abstract description 35
- 239000002893 slag Substances 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the field of push bench, in particular to an efficient push bench cutter head, which comprises a shell, a cutter head, a central scraper, a mudguard, a gear ring, a cutter head rotating shaft, a mounting plate, a hob, a slag discharge hole, a soil scraping device, a soil scraping strip, a bent arm, a central sleeve and a rotating gear, wherein the central scraper is arranged at the upper part of the shell; the cutting edge of the hob cutter forms an inclination angle of 33 degrees, soil falls off under the action of gravity, and the soil on the hob cutter falls off by using a soil scraping device, so that the cutting edge of the hob cutter cannot be adhered with the soil, and the working efficiency of the push bench is improved; the cutter head of the push bench is smoother, the possibility of adhesion of soil to the cutter head is reduced, and the working efficiency of the push bench is improved; the possibility of soil adhesion is reduced, the service life of the hob is prolonged, and the torque of the rotating shaft is reduced.
Description
Technical Field
The invention relates to the field of push bench, in particular to an efficient push bench cutter head.
Background
In recent years, tunnel excavation is classified into a Tunnel Boring Machine (TBM) for excavating hard rock and a pipe jacking machine exclusively used for soft soil excavation. However, the compressive strength of the cutter is 50 to 100KPa/cm 2 The soft rock stratum can not be effectively excavated, and when soft soil is cut and excavated by the hob arranged on the cutter head of the push bench, clay is easy to adhere to the vicinity of the hob, which causes premature wear of the hob and increase of the rotating torque of a rotating shaft, and the hob must be stopped for replacing or cleaning the hob, so that the working efficiency of the push bench is reduced;
in the publication No. JP1994017918Y2, although a hob with a certain inclination is applied, even if this method is applied to all hobs, the cutterhead has a concave-convex surface, the cutterhead itself is a cause of adhesion of the soil being excavated, and it is difficult to eliminate the adhesion of the soil;
accordingly, there is a need for a hob cutting apparatus and a push bench cutterhead that inhibits mud adhesion and is adaptable to soft formation drilling.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to solve the problem of soil adhesion using a soil scraping device and a cutter blade angle; the invention realizes the aim through the following technical scheme:
a high-efficiency pipe jacking machine cutter head device comprises a shell, wherein a cutter head is arranged at the left end of the shell, and hobs and slag discharge holes are arranged on the left end surface of the cutter head in a staggered mode; a central scraper is arranged in the middle of the left end face of the cutter head, a mudguard is arranged in the middle of the inner part of the shell, and a gear ring is arranged on the inner wall of the shell, close to the right side of the mudguard; the gear ring is rotated by a first motor arranged on an external frame;
a cutter head rotating shaft is arranged at the right end of the central scraper, a soil scraping device is arranged on the outer side of the middle part of the cutter head rotating shaft, and a mounting plate is arranged on the outer side of the cutter head rotating shaft, close to the left end of the soil scraping device; the soil scraping device comprises a central sleeve, bent arms are arranged on the periphery of the outer side of the central sleeve, and soil scraping strips are arranged at the left ends of the bent arms; the edge of the right end of the central sleeve is provided with a rotating gear, and the rotating gear enables the central sleeve to rotate around a rotating shaft of the cutter head through torque transmitted by a motor II arranged on an external rack.
Preferably, the cutter head is divided into five circular rings, and the hob and the slag discharge hole on each circular ring are distributed according to a certain rule.
Preferably, a screw conveyor is arranged in a space between the cutter disc and the mudguard.
The invention has the beneficial effects that:
1. the cutting edge of the hob cutter forms an inclination angle of 33 degrees, soil falls off under the action of gravity, and the soil on the hob falls off by using a soil scraping device, so that the soil cannot be adhered to the cutting edge of the hob, and the working efficiency of the push bench is improved;
2. the cutter head of the push bench is smoother, the possibility of adhesion of soil to the cutter head is reduced, and the working efficiency of the push bench is improved;
3. the possibility of soil adhesion is reduced, the service life of the hob is prolonged, and the torque of the rotating shaft is reduced.
Drawings
Fig. 1 is a left side view of the cutter head of the invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is an internal schematic view of the overall structure of the present invention.
Fig. 5 is a schematic structural view of the scraping device of the invention.
Description of reference numerals:
90. a housing; 100. a cutter head; 101. a center scraper; 102. a fender; 103. a ring gear; 104. cutter head
A rotating shaft; 105. mounting a plate; 110. hobbing cutters; 120. a slag discharge hole; 130. a soil scraping device; 131. scraping soil strips; 132.
bending the arm; 133. a central sleeve; 134. the gear is rotated.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains; the present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; in addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1, 2, 3 and 4, the high-efficiency cutter head device of the push bench comprises a shell 90, a cutter head 100, a central scraper 101, a mudguard 102, a gear ring 103, a cutter head rotating shaft 104, a mounting plate 105, a hob 110, a slag discharge hole 120, a soil scraping device 130, a soil scraping strip 131, a bent arm 132, a central sleeve 133 and a rotating gear 134;
the cutter head 100 is arranged at the left end inside the shell 90, and a hob 110 and a central scraper 101 are arranged at the left end of the cutter head 100; the cutter head 100 is divided into five circular rings, and the hobbing cutters 110 and the slag discharge holes 120 on each circular ring are distributed according to a certain rule, so that the eccentric motion cannot occur when the cutter head 100 rotates;
the central scraper 101 is arranged at the center of the left end of the cutter head 100, and soil at the center of the cutter head 100 is crushed along with the rotation of the cutter head 100; the slag discharge hole 120 is positioned at the left end of the cutter head 100 and is arranged with the hob 110 in a certain regular manner, and the slag discharge hole 120 discharges soil crushed by the central scraper 101 and the hob 110 to the space on the right side of the cutter head 100;
the mud guard 102 is arranged in the shell 90, soil discharged by the hob 110, the slag discharge hole 120 and the soil scraping device 130 is blocked in the shell 90, and a screw conveyor is arranged in a space between the cutterhead 100 and the mud guard 102 to discharge the soil;
the gear ring 103 is arranged inside the shell 90, and the gear ring 103 rotates through a first motor arranged on an external frame;
the cutter head rotating shaft 104 is arranged at the center of the right end of the cutter head 100 and is rotationally connected with the external frame of the invention through a bearing to serve as the rotating center of the cutter head 100 and the soil scraping device 130;
the mounting plate 105 is arranged on the circumferential side of the cutterhead rotating shaft 104 and provides positioning for mounting the soil scraping device 130;
when the cutter head 100 rotates, the soil is crushed by the action of friction force, and the adhered soil is scraped by the soil scraping device 130;
the soil scraping device 130 is arranged on the outer side of the cutter head rotating shaft 104 through a bearing and cannot rotate along with the rotation of the cutter head rotating shaft 104, and the soil scraping device 130 realizes the rotation soil scraping through a motor II arranged on an external frame of the invention, so that the soil adhered to the hob 110 falls off;
as shown in fig. 5, the scraper 130 includes: a scraper bar 131, a bent arm 132, a central sleeve 133 and a rotating gear 134;
the soil scraping strip 131 is arranged at the left end of the bent arm 132 and scrapes off soil adhered to the hob cutter 110;
the curved arms 132 are arranged on the circumferential side of the central sleeve 133, the number of the curved arms 132 is four, the curved arms 132 are connected with the soil scraping strips 131, and the central sleeve 133 rotates to drive the soil scraping strips 131 to rotate around the cutterhead rotating shaft 104 for scraping soil;
the central sleeve 133 is mounted on the outer side of the cutterhead rotating shaft 104 through a bearing, and the torque transmitted by the rotating gear 134 enables the soil scraping strips 131 and the bent arms 132 to rotate around the cutterhead rotating shaft 104 for soil scraping;
the rotating gear 134 is installed at the right end of the central sleeve 133, and the torque transmitted by the motor two arranged on the external frame of the present invention enables the central sleeve 133 to rotate around the cutterhead rotating shaft 104, so that the soil scraping strips 131 and the bent arms 132 rotate around the cutterhead rotating shaft 104 for soil scraping.
The basic principle of the invention is as follows:
the scraping device 130 rotates inside the housing 90 so that it interacts with the hob 110 on the cutter head 100, and soil adhered to the cutting edge of the hob 110 is scraped by the rotating scraping device 130; meanwhile, the cutter edge of the hob 110 forms an inclination angle of 33 degrees, soil is extremely difficult to adhere to the hob 110 under the action of gravity, and even if the soil adheres to the hob, the soil can also fall off quickly, so that the hob 110 is extremely difficult to adhere to the soil; the cutter head 100 is designed to be a smooth plane, so that soil is not easy to adhere to the cutter head 100, the cutter head 100 is divided into five circular ring parts, and the hob 110 and the slag discharge hole 120 are arranged at the left end of the cutter head 100 according to a certain rule, so that the cutter head 100 cannot move eccentrically when rotating, and the working efficiency is improved.
Claims (3)
1. The utility model provides an efficient pipe push bench cutter dish device, includes casing (90), its characterized in that: a cutter head (100) is arranged at the left end of the shell (90), and hobs (110) and slag discharge holes (120) are arranged on the left end face of the cutter head (100) in a staggered manner; a central scraper (101) is arranged in the middle of the left end face of the cutter head (100), a mudguard (102) is arranged in the middle of the inside of the shell (90), and a gear ring (103) is arranged on the inner wall of the shell (90) close to the right side of the mudguard (102); the gear ring (103) is rotated by a first motor arranged on an external frame;
a cutter head rotating shaft (104) is arranged at the right end of the central scraper (101), a soil scraping device (130) is arranged on the outer side of the middle of the cutter head rotating shaft (104), and a mounting plate (105) is arranged on the outer side of the cutter head rotating shaft (104) close to the left end of the soil scraping device (130); the soil scraping device (130) comprises a central sleeve (133), bent arms (132) are arranged on the periphery of the outer side of the central sleeve (133), and soil scraping strips (131) are arranged at the left ends of the bent arms (132); and a rotating gear (134) is arranged at the edge of the right end of the central sleeve (133), and the central sleeve (133) rotates around the cutter head rotating shaft (104) through the torque transmitted by a second motor arranged on an external rack by the rotating gear (134).
2. The efficient pipe push bench cutter head device according to claim 1, characterized in that: the cutter head (100) is divided into five circular rings, and the hob (110) and the slag discharge hole (120) on each circular ring are distributed in a centrosymmetric manner.
3. The efficient pipe push bench cutter head device according to claim 1, characterized in that: and a screw conveyor is arranged in a space between the cutter head (100) and the mudguard (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443895.8A CN112593964B (en) | 2020-12-08 | 2020-12-08 | Efficient pipe pushing jack blade disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443895.8A CN112593964B (en) | 2020-12-08 | 2020-12-08 | Efficient pipe pushing jack blade disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112593964A CN112593964A (en) | 2021-04-02 |
| CN112593964B true CN112593964B (en) | 2022-09-13 |
Family
ID=75191957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011443895.8A Active CN112593964B (en) | 2020-12-08 | 2020-12-08 | Efficient pipe pushing jack blade disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112593964B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153343B (en) * | 2021-05-28 | 2022-10-21 | 安徽唐兴装备科技股份有限公司 | High-efficient pipe pushing jack blade disc with hobbing cutter device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07252992A (en) * | 1994-03-10 | 1995-10-03 | Kido Kensetsu Kogyo Kk | Shield excavator |
| JP2000328877A (en) * | 1999-05-25 | 2000-11-28 | Komatsu Ltd | Tunnel excavation machine |
| JP2000337082A (en) * | 1999-06-01 | 2000-12-05 | Kajima Corp | Shield machine with earth-pressure-adjusting, sediment agitating device |
| JP2003343195A (en) * | 2002-05-30 | 2003-12-03 | Mitsubishi Heavy Ind Ltd | Tunnel excavator |
| CN201738929U (en) * | 2010-04-21 | 2011-02-09 | 朱伯锦 | Cutter arm crushing type tube push bench |
| CN106050252A (en) * | 2016-08-10 | 2016-10-26 | 中铁十六局集团北京轨道交通工程建设有限公司 | Shield tunneling machine cutterhead suitable for expansible old clay |
| CN109798123A (en) * | 2019-03-15 | 2019-05-24 | 吴磊 | Cutter head of shield machine is used in a kind of exploitation of detachable type tunnel |
| CN209244574U (en) * | 2018-11-26 | 2019-08-13 | 福建建中建设科技有限责任公司 | A kind of intelligence push-bench |
-
2020
- 2020-12-08 CN CN202011443895.8A patent/CN112593964B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07252992A (en) * | 1994-03-10 | 1995-10-03 | Kido Kensetsu Kogyo Kk | Shield excavator |
| JP2000328877A (en) * | 1999-05-25 | 2000-11-28 | Komatsu Ltd | Tunnel excavation machine |
| JP2000337082A (en) * | 1999-06-01 | 2000-12-05 | Kajima Corp | Shield machine with earth-pressure-adjusting, sediment agitating device |
| JP2003343195A (en) * | 2002-05-30 | 2003-12-03 | Mitsubishi Heavy Ind Ltd | Tunnel excavator |
| CN201738929U (en) * | 2010-04-21 | 2011-02-09 | 朱伯锦 | Cutter arm crushing type tube push bench |
| CN106050252A (en) * | 2016-08-10 | 2016-10-26 | 中铁十六局集团北京轨道交通工程建设有限公司 | Shield tunneling machine cutterhead suitable for expansible old clay |
| CN209244574U (en) * | 2018-11-26 | 2019-08-13 | 福建建中建设科技有限责任公司 | A kind of intelligence push-bench |
| CN109798123A (en) * | 2019-03-15 | 2019-05-24 | 吴磊 | Cutter head of shield machine is used in a kind of exploitation of detachable type tunnel |
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| Publication number | Publication date |
|---|---|
| CN112593964A (en) | 2021-04-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 232000 Shangyao Town Industrial Zone, Datong District, Huainan City, Anhui Province Applicant after: Anhui tangxing Equipment Technology Co.,Ltd. Address before: 232000 Shangyao Town Industrial Zone, Datong District, Huainan City, Anhui Province Applicant before: ANHUI TANGXING MACHINERY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |