CN102616555B - Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof - Google Patents
Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof Download PDFInfo
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- CN102616555B CN102616555B CN 201210087708 CN201210087708A CN102616555B CN 102616555 B CN102616555 B CN 102616555B CN 201210087708 CN201210087708 CN 201210087708 CN 201210087708 A CN201210087708 A CN 201210087708A CN 102616555 B CN102616555 B CN 102616555B
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- shield machine
- scraped
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Abstract
The invention relates to a mud scraping and cleaning device for a belt conveyor of a shield machine, and a mounting method thereof. The mud scraping and cleaning device comprises a first sweeping mechanism, a second sweeping mechanism and a cleaning mechanism, wherein the first sweeping mechanism comprises arc-shaped mud scraping plates, a group of clamp plates A, adjusting screw rods A, a straight rotating arm rod and a longitudinal linkage rod A, is arranged behind and below a drive roller, and scraps mud on the belt; the second sweeping mechanism comprises straight-shaped mud scraping plates, a group of clamp plates B, adjusting screw rods B, a curved rotating arm rod and a longitudinal linkage rod B, is arranged below the belt between the drive roller and a driven roller, and scraps the mud on the belt; an electromagnetic valve is arranged on the cleaning mechanism; and the electromagnetic valve is linked with a control loop with a transmission mechanism through the belt. The invention has the advantages of good belt cleaning effect, simple structure, high cleaning efficiency, small replacement frequency and convenience in replacement, and can be widely applied to belt cleaning of tunnel construction shields, TBM and other industries.
Description
Technical field
The present invention relates to a kind of shield machine auxiliary device and installation method thereof, particularly the shield machine belt conveyer is scraped mud washing equipment and installation method thereof.
Background technology
At present, in constructing tunnel, utilize shield structure operation when excavation, the dregs that excavates out, then is transported to outside the hole by slag-soil truck in the slag-soil truck of train marshalling list by belt haulage.But when belt-conveying, adhesion dregs very easily on belt causes the tunnel slag-off phenomenon serious, pollutes simultaneously Structural Test of Tunnel Segments, brings very big inconvenience for the tunnel removal treatment, increases secondary removal treatment work capacity.
The mud end of scraping of existing cleaning shoe is straight blunt end, when shield driving, the belt continuous operation, friction between belt and cleaning shoe causes the as easy as rolling off a log wearing and tearing of cleaning shoe, need at any time to adjust belt according to falling the slag situation, need cleaning shoe is changed when cleaning shoe may wear to the limit and can't regulate, and the position that mud-scraping apparatus is installed is positioned at the slag eye place, spatter slag and the bolt corrosion phenomenon is extremely serious, change very inconvenience.
Summary of the invention
The purpose of this invention is to provide a kind of shield machine belt conveyer and scrape mud washing equipment and installation method thereof, solve existing shield machine belt washing equipment and be arranged on out the sluice gate place, scrape the mud weak effect, very easily damage and install inconvenient technical matters; And solve field engineering problem of scraping the mud washing equipment provided by the invention.
For achieving the above object, the present invention adopts following technical scheme:
a kind of shield machine belt conveyer is scraped the mud washing equipment, described shield machine belt conveyer comprises by return idler, the tape handler that driving rolls and belt form, the described mud washing equipment of scraping comprises the independent first cleaning mechanism that arranges, second cleaning mechanism and wiper mechanism, described first cleaning mechanism is arranged on the driving rolls back lower place, remove the belt dregs in the mode of " shovel ", by the arc cleaning shoe, one group of clamping plate A, regulate screw mandrel A, direct rotary pivoted arm bar and longitudinal linkage bar A form, described direct rotary pivoted arm bar one end is enclosed within to be regulated on screw mandrel A, described adjusting screw mandrel A end screws limited location nut A, other end rotation set is at longitudinal linkage bar A, the both sides of described longitudinal linkage bar A are provided with one group of clamping plate A, described arc cleaning shoe is clipped between one group of clamping plate A, and fix by locating dowel pin A,
described second cleaning mechanism be arranged on driving rolls and return idler between the below of belt, remove the belt dregs in the mode of " scraping ", by straight shape cleaning shoe, one group of clamping plate B, regulate screw mandrel B, Bending Rotation armed lever and longitudinal linkage bar B form, described adjusting screw mandrel B one end is fixed, and be inclined upwardly at an angle, one end rotation set of described Bending Rotation armed lever is being regulated screw mandrel B and can be free to slide along regulating screw mandrel B, the above is regulated screw mandrel B free end stop nut B is installed, other end rotation set is on longitudinal linkage bar B, described one group of clamping plate B is welded on the both sides of longitudinal linkage bar B, form draw-in groove, described straight shape cleaning shoe inserts in draw-in groove and fixes by locating dowel pin B,
Described wiper mechanism comprises water inlet manifold, isocon, jet pipe and shower nozzle, be provided with the overhead control valve on described coolant inlet pipe, the water side of described coolant inlet pipe is connected with at least two isocons, be provided with shutoff valve on described isocon, its water side is connected with jet pipe, is arranged at intervals with shower nozzle on described jet pipe.
Be provided with shock absorber part A on the point of connection of described direct rotary pivoted arm bar and adjusting screw mandrel A and the section between stop nut A; Be provided with shock absorber part B on the point of connection of described Bending Rotation armed lever and adjusting screw mandrel B and the section between stop nut B.
Described shock absorber part A and shock absorber part B are spring, telescopic bellows or rubber sheet gasket.
Described arc cleaning shoe and straight shape cleaning shoe are polyurethane sheet, and it is scraped the mud end-grain cutting and is whittled into wedge shape.
Described longitudinal linkage bar A and longitudinal linkage bar B be two heavy wall round steel pipe or by two half rounds by the snap close banding of cuff at its two ends.
Be provided with electromagnetic valve between described overhead control valve and isocon, the control loop interlock of described electromagnetic valve and tape handler.
Described shield machine belt conveyer is scraped the installation method of mud washing equipment, comprises the steps:
Step 1, correspondence arranges outwardly directed attaching parts outside the belt holder side plate, and the sponson with adjusting screw mandrel A passes attaching parts is being bolted itself and attaching parts;
Step 2, the design size of scraping the mud washing equipment according to the shield machine belt conveyer is opened movable span and is convenient to integral disassembly, assembly on the belt holder side plate;
Step 4 is connected to one group of clamping plate A the side of longitudinal linkage bar A, forms draw-in groove, and the arc cleaning shoe is inserted draw-in groove fix by locating dowel pin A;
Sequence of construction can be arbitrarily changed in the first cleaning mechanism installation of described step 1 to five, the installation of the described second cleaning mechanism of step 6 and the installation of the described wiper mechanism of step 7, also can intert and carry out.
In described step 1, attaching parts is angle steel, steel plate or above-mentioned both combinations.
Compared with prior art the present invention has following characteristics and beneficial effect:
shield machine belt conveyer of the present invention is scraped the mud washing equipment, be arranged on the driving rolls back lower place by the first cleaning mechanism, remove the belt dregs in the mode of " shovel ", the protection belt is hurt less, described second cleaning mechanism be arranged on driving rolls and return idler between the below of belt, remove the belt dregs in the mode of " scraping ", avoided spattering slag and bolt corrosion phenomenon in the use procedure, improved the service life of mud-scraping apparatus, in addition, during assembling and disassembling can with first cleaning mechanism and second cleaning mechanism respectively integral body remove together, simplified the replacing program, simultaneously also more traditional setting position is more convenient.
In addition, control wiper mechanism with the mode of belt running interlock and cut-off by adopting, can realize that the best scrapes the mud cleaning performance.
Also have, be provided with shock absorber part on the point of connection of described direct rotary pivoted arm bar and adjusting screw mandrel and the section between stop nut, regulate the gap between cleaning shoe and belt, can alleviate belt to the disturbance of cleaning shoe and minimizing wearing and tearing between the two effectively, reduce simultaneously the generation of slag-off phenomenon when the belt-conveying dregs.
Moreover described arc cleaning shoe and straight shape cleaning shoe are polyurethane sheet, and it is scraped the mud end-grain cutting and is whittled into wedge shape, reduced and scraped in the mud process to the wearing and tearing of cleaning shoe and to the infringement of belt, reduce the replacing number of times of cleaning shoe, improved production efficiency, reduced construction cost.
At last, the present invention is simple in structure, and range of regulation is large, is convenient to change, and can be widely used in the belt removal treatment of constructing tunnel shield structure, TBM and other industry thereof, reduces the rear tunnel removal treatment amount of constructing, the reduction of erection time.
The present invention can be widely used in striking off and cleaning of earth on shield machine belt.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention.
Fig. 2 is first wiper mechanism side schematic view.
Fig. 3 is second wiper mechanism side schematic view.
Fig. 4 is first wiper mechanism detail drawing.
Fig. 5 is second wiper mechanism detail drawing.
Fig. 6 is direct rotary pivoted arm bar detail drawing.
Fig. 7 is Bending Rotation armed lever detail drawing.
Fig. 8 is the snap close detail drawing.
Fig. 9 is the wiper mechanism structural representation.
Figure 10 is the connection diagram of wiper mechanism electromagnetic valve and belt control system.
Reference numeral: 1-arc cleaning shoe, 2-clamping plate A, 3-locating dowel pin A, 4-direct rotary pivoted arm bar, 5-regulates screw mandrel A, 6-shock absorber part A, 7-longitudinal linkage bar A, 8-stop nut A, the straight shape cleaning shoe of 9-, 10-clamping plate B, 11-locating dowel pin B, 12-Bending Rotation armed lever, 13-regulates screw mandrel B, 14-shock absorber part B, 15-longitudinal linkage bar B, 16-stop nut B, the 17-return idler, the 18-driving rolls, the 19-belt, 20-belt holder side plate, the 21-mounting hole, 22-overhead control valve, the 23-water inlet manifold, the 24-jet pipe, the 25-shower nozzle, the 26-electromagnetic valve, the 27-isocon, the 28-shutoff valve, the 29-snap close, the 30-attaching parts, the 31-movable span, the thick type snap close of 32-semicircle, the control loop of 33-tape handler.
The specific embodiment
embodiment is extremely shown in Figure 10 referring to Fig. 1, a kind of shield machine belt conveyer is scraped the mud washing equipment, described shield machine belt conveyer comprises by return idler 17, the tape handler that driving rolls 18 and belt 19 form, it is characterized in that: the described mud washing equipment of scraping comprises the independent first cleaning mechanism that arranges, second cleaning mechanism and wiper mechanism, described first cleaning mechanism is arranged on driving rolls 15 back lower places, by arc cleaning shoe 1, one group of clamping plate A2, regulate screw mandrel A5, direct rotary pivoted arm bar 4 and longitudinal linkage bar A7 form, described direct rotary pivoted arm bar 4 one ends are enclosed within to be regulated on screw mandrel A5, described adjusting screw mandrel A5 end screws limited location nut A8, other end rotation set is at longitudinal linkage bar A7, the both sides of described longitudinal linkage bar A7 are provided with one group of clamping plate A2, described arc cleaning shoe 1 is clipped between one group of clamping plate A2, and fix by locating dowel pin A3,
described second cleaning mechanism be arranged on driving rolls 18 and return idler 17 between the below of belt 19, by straight shape cleaning shoe 8, one group of clamping plate B10, regulate screw mandrel B13, Bending Rotation armed lever 12 and longitudinal linkage bar B15 form, described adjusting screw mandrel B13 one end is fixed, and be inclined upwardly at an angle, one end rotation set of described Bending Rotation armed lever 12 is being regulated screw mandrel B13 and can be free to slide along regulating screw mandrel B13, the above is regulated screw mandrel B13 free end stop nut B16 is installed, other end rotation set is on longitudinal linkage bar B15, described one group of clamping plate B10 is welded on the both sides of longitudinal linkage bar B15, form draw-in groove, described straight shape cleaning shoe 8 inserts in draw-in groove and fixes by locating dowel pin B11,
Described wiper mechanism comprises water inlet manifold 23, isocon 27, jet pipe 24 and shower nozzle 25, be provided with overhead control valve 22 on described coolant inlet pipe 23, the water side of described coolant inlet pipe 23 is connected with at least two isocons 27, be provided with shutoff valve 28 on described isocon 27, its water side is connected with jet pipe 24, is arranged at intervals with shower nozzle 25 on described jet pipe 24.
Be provided with shock absorber part A6 on the point of connection of described direct rotary pivoted arm bar 4 and adjusting screw mandrel A5 and the section between stop nut A8; Be provided with shock absorber part B14 on the point of connection of described Bending Rotation armed lever 12 and adjusting screw mandrel B13 and the section between stop nut B16.
Described shock absorber part A6 and shock absorber part B14 are spring, telescopic bellows or rubber sheet gasket.
Described arc cleaning shoe 1 and straight shape cleaning shoe 8 are polyurethane sheet, and it is scraped the mud end-grain cutting and is whittled into wedge shape.
Described longitudinal linkage bar A7 and longitudinal linkage bar B15 be two heavy wall round steel pipe or by two half rounds by snap close 29 bandings of cuff at its two ends.
Be provided with electromagnetic valve 26 between described overhead control valve 22 and isocon 27, described electromagnetic valve 26 links with the control loop 33 of tape handler.
Described shield machine belt conveyer is scraped the installation method of mud washing equipment, comprises the steps:
Step 1 arranges outwardly directed attaching parts 30 in belt holder side plate 20 outside correspondences, and the sponson with adjusting screw mandrel A5 passes attaching parts 30 is being bolted itself and attaching parts 30;
Step 2, the design size of scraping the mud washing equipment according to the shield machine belt conveyer is opened movable span 31 and is convenient to integral disassembly, assembly on belt holder side plate 20;
Step 4 is connected to one group of clamping plate A2 the side of longitudinal linkage bar A7, forms draw-in groove, and arc cleaning shoe 1 is inserted draw-in groove fix by locating dowel pin A3;
Sequence of construction can be arbitrarily changed in the first cleaning mechanism installation of described step 1 to five, the installation of the described second cleaning mechanism of step 6 and the installation of the described wiper mechanism of step 7, also can intert and carry out.
In described step 1, attaching parts 30 is angle steel, steel plate or above-mentioned both combinations.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a shield machine belt conveyer is scraped the installation method of mud washing equipment, it is characterized in that: described structure machine band conveyor is scraped the mud washing equipment, comprise by return idler (17), the tape handler that driving rolls (18) and belt (19) form, the described mud washing equipment of scraping comprises the independent first cleaning mechanism that arranges, second cleaning mechanism and wiper mechanism, described first cleaning mechanism is arranged on driving rolls (15) back lower place, remove the belt dregs in the mode of " shovel ", by arc cleaning shoe (1), one group of clamping plate A(2), regulate screw mandrel A(5), direct rotary pivoted arm bar (4) and longitudinal linkage bar A(7) form, described direct rotary pivoted arm bar (4) one ends are enclosed within regulates screw mandrel A(5) on, described adjusting screw mandrel A(5) end screws limited location nut A(8), other end rotation set is at longitudinal linkage bar A(7), described longitudinal linkage bar A(7) both sides are provided with one group of clamping plate A(2), described arc cleaning shoe (1) is clipped in one group of clamping plate A(2) between, and by locating dowel pin A(3) fixing,
described second cleaning mechanism be arranged on driving rolls (18) and return idler (17) between the below of belt (19), remove the belt dregs in the mode of " scraping ", by straight shape cleaning shoe (8), one group of clamping plate B(10), regulate screw mandrel B(13), Bending Rotation armed lever (12) and longitudinal linkage bar B(15) form, described adjusting screw mandrel B(13) end is fixed, and be inclined upwardly at an angle, one end rotation set of described Bending Rotation armed lever (12) is being regulated screw mandrel B(13) and can be along regulating screw mandrel B(13) be free to slide, the above adjusting screw mandrel B(13) free end is equipped with stop nut B(16), other end rotation set is at longitudinal linkage bar B(15) on, described one group of clamping plate B(10) be welded on longitudinal linkage bar B(15) both sides, form draw-in groove, described straight shape cleaning shoe (8) inserts in draw-in groove and passes through locating dowel pin B(11) fixing,
Described wiper mechanism comprises water inlet manifold (23), isocon (27), jet pipe (24) and shower nozzle (25), be provided with overhead control valve (22) on described coolant inlet pipe (23), the water side of described coolant inlet pipe (23) is connected with at least two isocons (27), be provided with shutoff valve (28) on described isocon (27), its water side is connected with jet pipe (24), is arranged at intervals with shower nozzle (25) on described jet pipe (24);
The installation method that described shield machine belt conveyer is scraped the mud washing equipment comprises the steps:
Step 1 arranges outwardly directed attaching parts (30) in belt holder side plate (20) outside correspondence, will regulate screw mandrel A(5) pass the sponson of attaching parts (30), itself and attaching parts (30) are being bolted;
Step 2, the design size of scraping the mud washing equipment according to the shield machine belt conveyer is opened movable span (31) and is convenient to integral disassembly, assembly on belt holder side plate (20);
Step 3 intends installing longitudinal linkage bar A(7 in the bottom of movable span (31)) the position, connect respectively the thick type snap close of semicircle (32) in belt holder side plate (20) both sides, form mounting hole (21);
Step 4 is with one group of clamping plate A(2) be connected to longitudinal linkage bar A(7) the side, form draw-in groove, and arc cleaning shoe (1) inserted draw-in groove by locating dowel pin A(3) fixing;
Step 5, the external member that step 3 assembles is passed movable span (31) and mounting hole (21), and with longitudinal linkage bar A(7) expose belt holder side plate (20) end and penetrate direct rotary pivoted arm bar (4) band collar end, the other end of direct rotary pivoted arm bar (4) is inserted adjusting screw mandrel A(5), and regulating screw mandrel A(5) upper cover shock absorber part A(6), and screw in stop nut A(8) complete the first cleaning mechanism and install;
Step 6 is installed the second cleaning mechanism according to above-mentioned steps one to the described order of step 5;
Step 7, the water inlet manifold that is linked in sequence (23) overhead control valve (22), isocon (27), shutoff valve (28), jet pipe (24) and shower nozzle (25), and formation wiper mechanism that the assembly that forms is connected with shield machine industrial water source.
2. shield machine belt conveyer according to claim 1 is scraped the installation method of mud washing equipment, it is characterized in that: sequence of construction can be arbitrarily changed in the first cleaning mechanism installation of described step 1 to five, the installation of the described second cleaning mechanism of step 6 and the installation of the described wiper mechanism of step 7, also can intert and carry out.
3. shield machine belt conveyer according to claim 1 and 2 is scraped the installation method of mud washing equipment, it is characterized in that: described attaching parts (30) is angle steel, steel plate or above-mentioned both combinations.
4. shield machine belt conveyer according to claim 1 is scraped the installation method of mud washing equipment, it is characterized in that: described direct rotary pivoted arm bar (4) and regulate screw mandrel A(5) point of connection and stop nut A(8) between section on be provided with shock absorber part A(6); Described Bending Rotation armed lever (12) and regulate screw mandrel B(13) point of connection and stop nut B(16) between section on be provided with shock absorber part B(14).
5. shield machine belt conveyer according to claim 1 is scraped the installation method of mud washing equipment, it is characterized in that: described shock absorber part A(6) and shock absorber part B(14) for spring, telescopic bellows or rubber sheet gasket.
6. shield machine belt conveyer according to claim 1 is scraped the installation method of mud washing equipment, it is characterized in that: described arc cleaning shoe (1) and straight shape cleaning shoe (8) are polyurethane sheet, and it is scraped the mud end-grain cutting and is whittled into wedge shape.
7. shield machine belt conveyer according to claim 1 is scraped the installation method of mud washing equipment, it is characterized in that: described longitudinal linkage bar A(7) and longitudinal linkage bar B(15) be two heavy wall round steel pipe or by two half rounds by snap close (29) banding of cuff at its two ends.
8. shield machine belt conveyer according to claim 1 is scraped the installation method of mud washing equipment, it is characterized in that: be provided with electromagnetic valve (26) between described overhead control valve (22) and isocon (27), described electromagnetic valve (26) is controlled the switching of cleaning the water route with control loop (33) interlock of tape handler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210087708 CN102616555B (en) | 2012-03-29 | 2012-03-29 | Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210087708 CN102616555B (en) | 2012-03-29 | 2012-03-29 | Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102616555A CN102616555A (en) | 2012-08-01 |
| CN102616555B true CN102616555B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210087708 Expired - Fee Related CN102616555B (en) | 2012-03-29 | 2012-03-29 | Mud scraping and cleaning device for belt conveyor of shield machine and mounting method thereof |
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| CN (1) | CN102616555B (en) |
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| CN104477615B (en) * | 2014-12-09 | 2017-03-08 | 永城煤电控股集团有限公司 | One kind goes out cash belt atomizing cleaner |
| CN105645074B (en) * | 2016-03-09 | 2018-11-23 | 中交第三航务工程局有限公司 | A kind of efficient earth pressure balanced shield, EPBS belt conveyor scrapes mud system |
| CN105936410A (en) * | 2016-06-22 | 2016-09-14 | 陕西陕煤黄陵矿业有限公司 | Mining conveying adhesive tape water removal cleaning device |
| CN108033230B (en) * | 2017-12-28 | 2024-01-30 | 中铁工程服务有限公司 | Mud scraping device of belt conveyor for shield |
| CN108791552B (en) * | 2018-07-10 | 2023-09-22 | 江西良田农业机械有限公司 | Automatic mud grass cleaning device for crawler-type harvester chassis |
| CN109018922A (en) * | 2018-07-17 | 2018-12-18 | 王南 | A kind of Bale Cargo transmission equipment |
| CN109018923A (en) * | 2018-07-18 | 2018-12-18 | 王南 | A kind of purifying cargo conveyer of self-stabilization |
| CN108996172A (en) * | 2018-07-25 | 2018-12-14 | 真木农业设备（安徽）有限公司 | A kind of chicken manure cleaning agency |
| CN109296381B (en) * | 2018-10-25 | 2023-09-08 | 中铁六局集团有限公司 | Belt mud scraper of shield machine |
| CN110510367A (en) * | 2019-09-16 | 2019-11-29 | 粤水电轨道交通建设有限公司 | A kind of active belt regulating device |
| CN111703846B (en) * | 2020-06-17 | 2022-02-01 | 安徽宝龙电器有限公司 | Protection control device for coal mine conveyor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2013331C (en) * | 1989-03-31 | 2001-10-23 | Belle Banne Flexco Pty Limited | Conveyor belt cleaning arrangement |
| FI113039B (en) * | 2001-10-26 | 2004-02-27 | Roxon Oy | Belt conveyor and cleaner |
| CN201485056U (en) * | 2009-05-21 | 2010-05-26 | 铜陵天奇蓝天机械设备有限公司 | Adhesive tape wet type sweeper |
| CN201573969U (en) * | 2009-11-24 | 2010-09-08 | 鞍钢集团矿业公司 | Novel belt head portion cleaner |
| CN201951986U (en) * | 2010-12-23 | 2011-08-31 | 王庆安 | Sweeper |
| CN202030300U (en) * | 2011-01-24 | 2011-11-09 | 李超 | Conveyor belt first sweeper |
| CN202558237U (en) * | 2012-03-29 | 2012-11-28 | 中建交通建设集团有限公司 | Mud-scraping cleaning device for belt conveyer of shield machine |
-
2012
- 2012-03-29 CN CN 201210087708 patent/CN102616555B/en not_active Expired - Fee Related
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Address after: 100161, China Fengtai District Beijing No. 52 South Fourth Ring Road, the establishment of a bureau building Applicant after: China Construction Communications Engineering Group Corporation United Applicant after: CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION LIMITED Applicant after: Beijing Zongsheng Xingye Commercial Holding Co., Ltd. Address before: 100161, China Fengtai District Beijing No. 52 South Fourth Ring Road, the establishment of a bureau building Applicant before: China Construction Municipal Construction Corporation Limitd Applicant before: CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION LIMITED Applicant before: Beijing Zongsheng Xingye Commercial Holding Co., Ltd. |
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Granted publication date: 20131106 Termination date: 20210329 |