CN112593966B - Efficient hob replacing device of push bench and using method thereof - Google Patents
Efficient hob replacing device of push bench and using method thereof Download PDFInfo
- Publication number
- CN112593966B CN112593966B CN202011443930.6A CN202011443930A CN112593966B CN 112593966 B CN112593966 B CN 112593966B CN 202011443930 A CN202011443930 A CN 202011443930A CN 112593966 B CN112593966 B CN 112593966B
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- Prior art keywords
- cutter
- cutter disc
- hob
- cutter head
- disc
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 14
- 230000006378 damage Effects 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling 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
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- 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)
- Automatic Tool Replacement In Machine Tools (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention relates to the technical field of push bench, in particular to a high-efficiency device for replacing a hob of a push bench and a using method thereof, wherein the device comprises a rotating part, the rotating part comprises a first cutter disc, a second cutter disc, an auxiliary cutter disc, a central part, a rolling bearing, a working space, supporting legs, a pressure chamber and a shell; according to the invention, the first cutter head or the second cutter head is retracted into the shell, so that the replacement by an operator is facilitated, and the hob replacement efficiency is improved; the second cutter disc is quickly replaced after the hob on the first cutter disc is damaged, and the second cutter disc continues to work until the hobs on the first cutter disc and the second cutter disc are completely damaged and then are uniformly replaced, so that the hob replacing efficiency is improved because the hob can be continuously worked and operators can replace the hobs in a centralized manner; the first cutter head or the second cutter head is retracted into the shell, so that the hob can be replaced at the rear of an operator, and the casualty problem caused by improper operation is reduced.
Description
Technical Field
The invention relates to the technical field of push bench, in particular to a high-efficiency hob replacing device of a push bench and a using method thereof.
Background
When the tunnel is constructed, a pipe jacking machine is used, a pipe jacking machine cutter disc is arranged on the pipe jacking machine, and a hobbing cutter is arranged on the pipe jacking machine cutter disc and used for smashing rocks in the excavation process. However, the hob is easily worn in the process of breaking rocks, and the hob needs to be replaced.
In order to make up for the above deficiencies, the invention provides a method and a device for replacing a drill bit of a shield tunneling machine of the patent No. CN103987921B entitled China authorized patent, wherein an operation space is arranged in a pipe jacking machine, so that an operator can enter the operation space to replace a hob; the technical effect achieved is that the damaged hob on the cutterhead can be replaced; meanwhile, when the hob is replaced, the hob needs to be checked one by one and the replacement efficiency is low; operators replace the hob in front of the push bench, which is easy to cause casualties.
Disclosure of Invention
The invention aims to provide an efficient hob replacing device of a push bench and a using method thereof, and solves the problems of low efficiency and easy injury and death of operators when a hob is replaced by retracting a first cutterhead or a second cutterhead into a shell. The invention realizes the aim through the following technical scheme:
a device for replacing a hob of an efficient pipe jacking machine and a using method of the device comprise a rotating part, wherein the rotating part comprises a shell, and a first cutter disc and a second cutter disc are arranged on the upper portion of the shell in an up-and-down staggered mode; the periphery of the inside of the shell is provided with an auxiliary cutter head, and the auxiliary cutter head and the first cutter head are positioned on the same plane; the inner end of the first cutter disc is provided with a central part, and the inner end of the second cutter disc is provided with a support sleeve; the first cutter disc comprises a first cutter disc panel part, and the inner end of the first cutter disc panel part is movably connected with the central part; the top of the first cutter panel part is provided with a first cutter comprising a first cutter hob and a first cutter damage detection device in a staggered manner; the second cutter head comprises a second cutter head panel part, and the inner end of the second cutter head panel part is movably connected with the support sleeve; the top of the second cutter panel part is provided with a second cutter hob and a second cutter damage detection device in a staggered manner; a working space is arranged below the second cutter disc, a pressure chamber is arranged below the working space, and supporting legs are arranged in the pressure chamber.
Preferably, an auxiliary cutter head scraper is arranged at the top of the auxiliary cutter head.
Preferably, the support sleeve comprises an assembly groove for supporting the second cutter head.
Preferably, a sliding groove part is formed in the periphery of the central part, and the inner end of the first cutter head is arranged inside the sliding groove part.
Preferably, the use method of the high-efficiency hob replacing device of the push bench comprises the following steps:
s1, when the rotating part works under normal conditions, when the first cutter disc damage detection device detects that the first cutter disc hob is damaged, an alarm is given; moving the first cutter head to the interior of an assembly groove arranged on the support sleeve through one part of the sliding groove;
and S2, moving the second cutter head into one part of the sliding groove from the assembling groove to finish the replacement of the damaged first cutter head and the damaged second cutter head.
The invention has the beneficial effects that
The first cutter head or the second cutter head can be retracted into the shell, so that the replacement of the first cutter head or the second cutter head is facilitated for operators, and the hob replacing efficiency is improved.
The invention can quickly replace the second cutter disc to continue working after the hob on the first cutter disc is damaged until the hobs on the first cutter disc and the second cutter disc are all damaged and then are uniformly replaced, and the hob replacing efficiency is improved because the invention can continuously work and operators can replace the hobs in a centralized way.
The invention retracts the first cutter head or the second cutter head into the shell, so that operators can replace the hob at the rear, thereby reducing the casualty problem caused by improper operation.
Drawings
Fig. 1 is a schematic view of a switching cutter head of the invention.
Fig. 2 is a schematic view of the working state of the present invention.
Fig. 3 is a cross-sectional view of a rotating portion of the present invention.
Reference numerals are as follows: 10. a rotating part; 11. a first cutter head; 111. a first cutter disc hob; 112. a first cutter head breakage detection device; 113. a first blade panel portion; 12. a second cutter head; 121. a second cutter hob; 122. a second cutter head damage detection device; 123. a second cutter head panel portion; 13. an auxiliary cutter head; 131. auxiliary cutter scraper; 14. a central member; 141. a first sliding chute; 15. a support sleeve; 151. assembling a groove; 16. a workspace; 17. supporting legs; 18. a pressure chamber; 19. a housing.
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.
As shown in fig. 1 and 3, an efficient hob replacing device of a push bench and a use method thereof comprise a rotating part 10, wherein the rotating part 10 comprises a first cutter disc 11, a second cutter disc 12, an auxiliary cutter disc 13, a central part 14, a support sleeve 15, a working space 16, support legs 17, a pressure chamber 18 and a shell 19;
as shown in fig. 1, the central member 14 supports the first cutter disc 11, and the support sleeve 15 supports the second cutter disc 12; the first cutter head 11 is arranged right above the second cutter head 12, and the auxiliary cutter head 13 and the first cutter head 11 are in the same plane;
as shown in fig. 3, the pressure chamber 18 is provided with a supporting leg 17, and the supporting leg 17 is used for supporting the first cutter disc 11 and the second cutter disc 12;
as shown in fig. 3, a working space 16 is arranged above the supporting feet 17 for workers to change the hob;
as shown in fig. 1, the first cutter 11 includes a first cutter hob 111, a first cutter damage detection device 112, a first cutter panel portion 113;
as shown in fig. 1, the first cutter disc panel 113 supports a first cutter disc damage detector 112 and a first cutter disc cutter 111;
as shown in fig. 1, the first cutter disc hob 111 is used for rocks encountered during traveling, and the first cutter disc damage detection device 112 is used for detecting whether the first cutter disc hob 111 is damaged or not, and giving an alarm if the first cutter disc hob 111 is damaged;
as shown in fig. 1, the second cutter head 12 includes a second cutter head hob 121, a second cutter head breakage detection device 122, and a second cutter head panel portion 123;
as shown in fig. 1, the second deck panel portion 123 supports the second deck breakage detector 122 and the second deck cutter 121;
as shown in fig. 1, the second cutter disc cutter 121 is used for breaking rocks encountered during the advancing process, and the second cutter disc breakage detection device 122 is used for detecting whether the second cutter disc cutter 121 is broken or not, and if so, giving an alarm;
thin-wall steel pipes, a hydraulic pressure maintaining oil way and a pressure sensor are arranged on a first cutter disc 11 and a second cutter disc 12 of the rotating part 10; the thin-wall steel pipe is coated with a wear-resistant layer, and the material and the thickness of the wear-resistant layer depend on the working environment; the hydraulic pressure maintaining oil path is connected with the thin-wall steel pipe, and when the thin-wall steel pipe is abraded and leaked, the hydraulic pressure maintaining oil path loses pressure to cause a pressure sensor to feed back and alarm, so that the aim of detecting the abrasion of the cutter head cutter of the rotating part 10 is fulfilled;
as shown in fig. 1, the auxiliary cutter head 13 includes an auxiliary cutter head scraper 131, and the auxiliary cutter head scraper 131 is used for scraping soil during the travel of the rotating portion 10;
as shown in fig. 1, the central member 14 includes a first slide groove portion 141, and the first cutter 11 and the second cutter 12 can move up and down through the first slide groove portion 141;
as shown in fig. 1, the support sleeve 15 includes a fitting groove 151, and the fitting groove 151 is used for supporting the second cutter disc 12; meanwhile, the assembly groove 151 facilitates assembly;
as shown in fig. 1, the fitting groove 151 is formed in the support sleeve 15, and when the support sleeve 15 rotates, the fitting groove 151 follows the support sleeve 15 to rotate, and since the fitting groove 151 supports the second cutter deck 12, the second cutter deck 12 follows the fitting groove 151 to rotate when the fitting groove 151 rotates.
The working principle of the invention is as follows:
as shown in fig. 1 and 2, when the rotating part 10 operates normally, the second cutter disc 12 is below the first cutter disc 11, and when the first cutter disc damage detection device 112 detects that the first cutter disc hob 111 is damaged, an alarm is given to rotate the second cutter disc 12 to a position right below the first chute part 141 along with the support sleeve 15; after the second cutter disc 12 moves upwards along the first sliding groove part 141 to the same plane as the first cutter disc 11, the first cutter disc 11 moves downwards 141 along the first sliding groove part to the assembling groove 151, and then the first cutter disc 11 rotates along with the support sleeve 15, and the first sliding groove part 141 of the second cutter disc 12 rotates; the method comprises the following specific steps:
s1, when the rotating part 10 works under normal conditions, when the first cutter disc damage detection device 112 detects that the first cutter disc hob 111 is damaged, an alarm is given; the first cutter disc 11 is moved to the inside of the assembling groove 151 arranged on the supporting sleeve 15 through the sliding groove part 141;
s2, moving the second cutter disc 12 into the sliding groove part 141 from the assembling groove 151 to complete replacement of the damaged first cutter disc 11 and the second cutter disc 12;
therefore, the second cutter disc 12 can be quickly replaced to continue working after the first cutter disc hob 111 is damaged until the first cutter disc 11 and the second cutter disc hob 121 are completely damaged and then are uniformly replaced, and the working efficiency is improved;
meanwhile, the first cutter disc 11 or the second cutter disc 12 retracts into the shell 19, so that an operator can replace the hob at the back, and the casualty problem caused by improper operation is reduced.
Claims (3)
1. The utility model provides a device of hobbing cutter is changed to efficient pipe push bench, includes rotating part (10), its characterized in that: the rotating part (10) comprises a shell (19), and a first cutter disc (11) and a second cutter disc (12) are arranged on the upper part of the shell (19) in a vertically staggered mode; auxiliary cutter heads (13) are arranged on the periphery inside the shell (19), and the auxiliary cutter heads (13) and the first cutter head (11) are located on the same plane; a central part (14) is arranged at the inner end of the first cutter disc (11), and a support sleeve (15) is arranged at the inner end of the second cutter disc (12); the first cutter disc (11) comprises a first cutter disc panel part (113), and the inner end of the first cutter disc panel part (113) is movably connected with the central part (14); the top of the first cutter disc panel part (113) is provided with a first cutter disc hob (111) and a first cutter disc damage detection device (112) in a staggered manner; the second cutter head (12) comprises a second cutter head panel part (123), and the inner end of the second cutter head panel part (123) is movably connected with the support sleeve (15); the top of the second cutter panel portion (123) is provided with a second cutter hob (121) and a second cutter damage detection device (122) in a staggered manner; a working space (16) is arranged below the second cutter head (12), a pressure chamber (18) is arranged below the working space (16), and supporting legs (17) are arranged in the pressure chamber (18);
the support sleeve (15) comprises an assembly groove (151), and the assembly groove (151) is used for supporting the second cutter disc (12);
a sliding groove part (141) is formed in the periphery of the central part (14), and the inner end of the first cutter head (11) is arranged inside the sliding groove part (141).
2. The apparatus of claim 1, wherein the roller cutter of the high efficiency pipe push bench is: and an auxiliary cutter head scraper (131) is arranged at the top of the auxiliary cutter head (13).
3. The use method of the high-efficiency pipe jacking machine hob replacing device according to any one of claims 1-2, characterized by comprising the following steps:
s1, when the rotating part (10) works under normal conditions, when the first cutter disc damage detection device (112) detects that the first cutter disc hob (111) is damaged, an alarm is given; moving the first cutter head (11) to the inside of an assembling groove (151) arranged on the support sleeve (15) through a sliding groove part (141);
s2, moving the second cutter head (12) to the inside of the sliding groove part (141) from the assembling groove (151) to complete the replacement of the damaged first cutter head (11) and the second cutter head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443930.6A CN112593966B (en) | 2020-12-08 | 2020-12-08 | Efficient hob replacing device of push bench and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011443930.6A CN112593966B (en) | 2020-12-08 | 2020-12-08 | Efficient hob replacing device of push bench and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112593966A CN112593966A (en) | 2021-04-02 |
| CN112593966B true CN112593966B (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011443930.6A Active CN112593966B (en) | 2020-12-08 | 2020-12-08 | Efficient hob replacing device of push bench and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112593966B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140587A (en) * | 1999-11-17 | 2001-05-22 | Yoshiji Matsumoto | Cutter bit replacing device for shield machine |
| JP2002147175A (en) * | 2000-11-16 | 2002-05-22 | Mitsubishi Heavy Ind Ltd | Tunnel excavator and cutter replacing method |
| JP2006070598A (en) * | 2004-09-03 | 2006-03-16 | Konoike Constr Ltd | Cutter bit exchanging device for shield machine, and cutter bit exchanging method for the same |
| CN101975563A (en) * | 2010-09-14 | 2011-02-16 | 沈阳重型机械集团有限责任公司 | Wear detection device of shield scraper |
| CN102155238A (en) * | 2011-03-21 | 2011-08-17 | 天津大学 | Exchangeable blade type center cutter for shield machine |
| CN203769792U (en) * | 2014-01-21 | 2014-08-13 | 中铁隧道集团有限公司 | Ordinary pressure hob replacing device |
| CN106555594A (en) * | 2016-12-05 | 2017-04-05 | 中铁工程装备集团有限公司 | A kind of normal pressure tool changing cutterhead |
| CN106640102A (en) * | 2016-12-20 | 2017-05-10 | 上海隧道工程有限公司 | Constant pressure replacement device of cutterhead periphery hob and replacement method thereof |
| CN107829752A (en) * | 2017-12-12 | 2018-03-23 | 天津大学 | Adaptability tool changing device for the compound cutterhead of shield machine |
| CN207554055U (en) * | 2017-11-16 | 2018-06-29 | 河北工业大学 | For the automatic switching control equipment of shield machine work hobboing cutter and spare hobboing cutter |
| CN111706346A (en) * | 2020-06-30 | 2020-09-25 | 中国铁建重工集团股份有限公司 | Shield machine and tool changing device thereof |
-
2020
- 2020-12-08 CN CN202011443930.6A patent/CN112593966B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140587A (en) * | 1999-11-17 | 2001-05-22 | Yoshiji Matsumoto | Cutter bit replacing device for shield machine |
| JP2002147175A (en) * | 2000-11-16 | 2002-05-22 | Mitsubishi Heavy Ind Ltd | Tunnel excavator and cutter replacing method |
| JP2006070598A (en) * | 2004-09-03 | 2006-03-16 | Konoike Constr Ltd | Cutter bit exchanging device for shield machine, and cutter bit exchanging method for the same |
| CN101975563A (en) * | 2010-09-14 | 2011-02-16 | 沈阳重型机械集团有限责任公司 | Wear detection device of shield scraper |
| CN102155238A (en) * | 2011-03-21 | 2011-08-17 | 天津大学 | Exchangeable blade type center cutter for shield machine |
| CN203769792U (en) * | 2014-01-21 | 2014-08-13 | 中铁隧道集团有限公司 | Ordinary pressure hob replacing device |
| CN106555594A (en) * | 2016-12-05 | 2017-04-05 | 中铁工程装备集团有限公司 | A kind of normal pressure tool changing cutterhead |
| CN106640102A (en) * | 2016-12-20 | 2017-05-10 | 上海隧道工程有限公司 | Constant pressure replacement device of cutterhead periphery hob and replacement method thereof |
| CN207554055U (en) * | 2017-11-16 | 2018-06-29 | 河北工业大学 | For the automatic switching control equipment of shield machine work hobboing cutter and spare hobboing cutter |
| CN107829752A (en) * | 2017-12-12 | 2018-03-23 | 天津大学 | Adaptability tool changing device for the compound cutterhead of shield machine |
| CN111706346A (en) * | 2020-06-30 | 2020-09-25 | 中国铁建重工集团股份有限公司 | Shield machine and tool changing device thereof |
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| Publication number | Publication date |
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| CN112593966A (en) | 2021-04-02 |
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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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