CN202531186U - Hard rock shield tunneling machine of trapezoid shaft hobbing cutter - Google Patents
Hard rock shield tunneling machine of trapezoid shaft hobbing cutter Download PDFInfo
- Publication number
- CN202531186U CN202531186U CN 201220045600 CN201220045600U CN202531186U CN 202531186 U CN202531186 U CN 202531186U CN 201220045600 CN201220045600 CN 201220045600 CN 201220045600 U CN201220045600 U CN 201220045600U CN 202531186 U CN202531186 U CN 202531186U
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- China
- Prior art keywords
- hobboing cutter
- tool rest
- cutter
- twolip
- blade
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Abstract
The utility model discloses a hard rock shield tunneling machine of a trapezoid shaft hobbing cutter, comprising a front shield, a middle shield, a rear shield, a cutter disc and a cutter disc bracket, wherein the front shield, the middle shield and the rear shield are arranged in sequence and the cutter disc and the cutter disc bracket are arranged at one side of the front shield; a plurality of cutter bases with hobbing cutters are welded in the cutter disc bracket, wherein the whole body of the cutter base of the single-edge hobbing cutter is cylindrical and upper and lower inner walls are provided with polygonal corner grooves for fixing the single-edge hobbing cutters; an opening is arranged on the end face of the inner wall of the upper part of the cutter base of the single-edge hobbing cutter and is communicated with the corner grooves; and trapezoid hobbing cutter shafts at the two ends of the single-edge hobbing cutter are fixed on the inner wall of the corner grooves through wedged blocks. The cutter base of the single-edge hobbing cutter is machined by utilizing a standard cylinder so that the machining cost of the cutter base is reduced and the machining difficulty is reduced; and meanwhile, the welding amount is reduced and the manufacturing cost of the shield tunneling machine is reduced; and the polygonal corner grooves are arranged inside the cutter base of the single-edge hobbing cutter through trapezoid hobbing cutter shaft fixing ends are the two ends of the single-edge hobbing cutter and are fixed in the cutter base through utilizing the wedged blocks and locking the cylinder, so that the fixation is more reliable and the difficulty of dismounting and mounting is further reduced.
Description
Technical field
The utility model relates to a kind of shield machine, relates in particular to a kind of trapezoidal axle hobboing cutter hard rock shield machine.
Background technology
At present, shield machine has become the preferred unit of Underground Transportation Engineering and tunnel construction construction, and for adapting to various dissimilar soil properties, shield machine can be divided into three types: weak soil shield machine, hard rock shield machine and mixed type shield machine.Medium-sized hard rock shield machine generally adopts the hobboing cutter axle head to roll to decide mode, and its cutter head structure is quite complicated, and this just makes the shield machine manufacturing cost too high; Because general hobboing cutter cutter box is a rectangular configuration, will cause processing and welding job amount big like this, cost is high; And welding is shunk wayward, causes the cutterhead distortion easily, makes the manufacturing cost of shield machine high like this; Also have cylindrical hobboing cutter cutter box is installed on cutterhead, but fixed form adopts bolt that hobboing cutter directly is connected on the hobboing cutter cutter box, under abominable working condition; Reliability is bad, and hobboing cutter is changed relatively difficulty midway, and abnormally dangerous.
The utility model content
The purpose of the utility model is to provide a kind of trapezoidal axle hobboing cutter hard rock shield machine; Wherein single-blade hobboing cutter tool rest is hollow cylinder; Have characteristics simple in structure, that processing cost is low; Hobboing cutter is easy to installation and removal in tool rest safe and reliable, and solved shield machine tool rest and the big and inaccurate problem of precision of cutterhead processing welding capacity.
The purpose of the utility model is to realize through following technical scheme:
A kind of trapezoidal axle hobboing cutter hard rock shield machine comprises the anterior shield that sets gradually, middle shield and backing, and the cutterhead that is arranged on anterior shield one side; The cutterhead support is set on the said cutterhead, and the some tool rests of welding in the said cutterhead support are placed the column type hobboing cutter in the said tool rest; Said tool rest comprises single-blade hobboing cutter tool rest, twolip hobboing cutter tool rest and four sword hobboing cutter tool rests, and said single-blade hobboing cutter tool rest integral body is drum type brake, and said single-blade hobboing cutter tool rest inwall up and down has the polygon chamfered groove that is used for fixing the single-blade hobboing cutter; Said single-blade hobboing cutter tool rest upper inside wall end face has opening and is communicated with said chamfered groove; The trapezoidal cutter shaft fixed end at said single-blade hobboing cutter two ends is fixed on the said chamfered groove inwall through wedge, processes through tool rest being adopted the cylinder of standard, can reduce the processing cost of tool rest; Reduce difficulty of processing; Simultaneously can also reduce the welding processing amount, the whole manufacturing cost of shield machine reduced, and the single-blade hobboing cutter is fixed through wedge and chamfered groove; Not only can make fixing more reliably, can also reduce the difficulty of dismounting.
Further, have fixing hole on the said single-blade hobboing cutter tool rest, place screwed locking cylinder in the said fixing hole, have unthreaded hole on the said single-blade hobboing cutter tool rest, said unthreaded hole one end is communicated with said chamfered groove, and the other end is communicated with said fixing hole.
Said wedge adopts block structure wide at the top and narrow at the bottom, and is fastened on the single-blade hobboing cutter tool rest through set bolt, and said set bolt passes the locking cylinder in the single-blade hobboing cutter tool rest fixing hole.
Said cutterhead carriage center is provided with four sword hobboing cutter tool rests, places two twolip hobboing cutters in the said four sword hobboing cutter tool rests, and said four sword hobboing cutter tool rest bilateral symmetry are provided with twolip hobboing cutter tool rest, twolip hobboing cutter of placement in the said twolip hobboing cutter tool rest.
Said twolip hobboing cutter two ends respectively are provided with a twolip hobboing cutter cutter shaft and use fixed bearing; One convexity is set in the middle of said fixed bearing one side; Said protruding both sides respectively have a screwed hole; And said fixed bearing opposite side, corresponding one of them screwed hole place are provided with an inclined-plane, and corresponding said inclined-plane is provided with corner block, is provided for holding the stepped hole of twolip hobboing cutter in the said twolip hobboing cutter tool rest; Corresponding fixed bearing is provided with the respective threads hole on the said step; And said twolip hobboing cutter tool rest, the fixed bearing that has the twolip hobboing cutter and corner block connect into an integral body through screw, adopt such structure can make the twolip hobboing cutter that more convenient and quicker is installed, and corner block also capable of using are strengthened fixing to it; And the four sword hobboing cutter tool rests in this shield machine and the structure of twolip hobboing cutter tool rest are similar; Two twolip hobboing cutters are connected into an integral body, in two twolip hobboing cutter both sides that connect into integral body a fixed bearing is set respectively then, again the twolip hobboing cutter that connects is fixed in the stepped hole of four sword hobboing cutter tool rests with screw and corner block.
The beneficial effect of the utility model is: through single-blade hobboing cutter tool rest being adopted the cylinder processing of standard, can reduce the processing cost of tool rest, reduce difficulty of processing, can also reduce the welding processing amount simultaneously, the whole manufacturing cost of shield machine is reduced; Trapezoidal cutter shaft fixed end through cooperating single-blade hobboing cutter two ends is provided with the polygon chamfered groove in single-blade hobboing cutter tool rest, and is fixed in the tool rest with wedge and locking cylinder, not only can make to fix more reliably, can also reduce the difficulty of dismounting; Fixed bearing through having the twolip hobboing cutter is separately fixed in twolip hobboing cutter tool rest and the four sword hobboing cutter tool rests with screw; And it is, can make twolip hobboing cutter dismounting more convenient and quicker, and fixing also very firm with the corner block reinforcing; Can avoid occurring security incident; The contrast prior art, that this shield machine has is simple in structure, be easy to installation and removal, the low and safe and reliable advantage of processing cost, and has solved the big and inaccurate problem of precision of its processing welding capacity.
Description of drawings
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 looks sketch map for the master of the described a kind of trapezoidal axle hobboing cutter hard rock shield machine of the utility model;
Fig. 2 is the schematic side view of the described a kind of trapezoidal axle hobboing cutter hard rock shield machine of the utility model;
Fig. 3 is that the A-A of Fig. 2 is to cross-sectional schematic;
Fig. 4 is that the B-B of Fig. 2 is to cross-sectional schematic;
Fig. 5 is the assembling sketch map of single-blade hobboing cutter and single-blade hobboing cutter tool rest among Fig. 1;
Fig. 6 is that the C-C of Fig. 5 is to cross-sectional schematic;
Fig. 7 is the assembling sketch map of twolip hobboing cutter among Fig. 1, fixed bearing and twolip hobboing cutter tool rest;
Fig. 8 is the structural representation of twolip hobboing cutter among Fig. 1.
Among the figure:
1, single-blade hobboing cutter; 2, twolip hobboing cutter; 3, scraper; 4, cutterhead; 5, cutterhead support; 6, load-carrying ring; 7, single-blade hobboing cutter tool rest; 8, twolip hobboing cutter tool rest; 9, four sword hobboing cutter tool rests; 10, fixed bearing; 11, screw; 12, corner block; 13, Tu Cang; 14, anterior shield; 15, middle shield; 16, conveying worm; 17, backing; 18, cutter shaft fixed end; 19, wedge; 20, chamfered groove; 21, locking cylinder; 22, set bolt.
The specific embodiment
In Fig. 1～8 illustrated embodiments, the described a kind of trapezoidal axle hobboing cutter hard rock shield machine of the utility model comprises the anterior shield 14, middle shield 15 and the backing 17 that set gradually; And the cutterhead 4 that is arranged on anterior shield 14 1 sides, cutterhead 4, and has formed between anterior shield 14 and the cutterhead 4 and has held earth that cuts and the native storehouse 13 of changing blade being bolted to a side of anterior shield 14 through load-carrying ring 6; Conveying worm 16 is set in the backing 17; And shield 15 extended to native storehouse 13 during this conveying worm 16 passed, and was used for the earth that cuts etc. is transported out, and cutterhead support 5 is set on the cutterhead 4; The some tool rests of welding in the cutterhead support 5; Place the column type hobboing cutter in the tool rest, tool rest comprises single-blade hobboing cutter tool rest 7, twolip hobboing cutter tool rest 8 and four sword hobboing cutter tool rests 9, and some scrapers 3 also evenly distribute on the cutterhead support 5.
Shown in Fig. 1～4; Be provided with ten single-blade hobboing cutter tool rests 7 on the cutterhead support 5 of this shield machine altogether; Place a single-blade hobboing cutter 1 in each single-blade hobboing cutter tool rest 7; Wherein two single-blade hobboing cutter tool rests 7 are separately positioned on 90 ° the center line of cutterhead support 5, and two other single-blade hobboing cutter tool rest 7 is arranged on 270 ° of center lines of cutterhead support 5, and symmetrical with two single-blade hobboing cutter tool rests 7 on 90 ° of center lines; Other four single-blade hobboing cutter tool rests 7 are separately positioned on 0 ° of cutterhead support 5 and 180 ° of center line both sides and are positioned at the outer shroud of cutterhead support 5; Be and be symmetrically set, the center of 90 ° and 270 ° center lines of the cutterhead support 5 of this shield machine also is provided with one four sword hobboing cutter tool rest 9, on four sword hobboing cutter tool rests, 9 both sides, cutterhead support 50 ° and 180 ° of center lines, is symmetrical set two twolip hobboing cutter tool rests 8; Be provided with in each twolip hobboing cutter tool rest 8 in a twolip hobboing cutter 2, the four sword hobboing cutter tool rests 9 two twolip hobboing cutters 2 are set.
As illustrated in Figures 5 and 6, single-blade hobboing cutter tool rest 7 integral body are drum type brake, single-blade hobboing cutter tool rest about in the of 7 inwall have the polygon chamfered groove 20 that is used for fixing single-blade hobboing cutter 1; Single-blade hobboing cutter tool rest 7 upper inside wall end faces have opening and are communicated with chamfered groove 20, and the trapezoidal cutter shaft fixed end 18 at single-blade hobboing cutter 1 two ends is fixed on chamfered groove 20 inwalls through wedge 19, has fixing hole on the single-blade hobboing cutter tool rest 7; Place screwed locking cylinder 21 in the fixing hole, have unthreaded hole on the single-blade hobboing cutter tool rest 7, unthreaded hole one end is communicated with chamfered groove 20; The other end is communicated with fixing hole, and wedge 19 adopts block structure wide at the top and narrow at the bottom, and is fastened on the single-blade hobboing cutter tool rest 7 through set bolt 22; Set bolt 22 passes the locking cylinder 21 in single-blade hobboing cutter tool rest 7 fixing holes, and through with single-blade hobboing cutter cutter, 7 adopt the cylinder processing of standards; Can reduce the processing cost of tool rest; Reduce difficulty of processing, can also reduce the welding processing amount simultaneously, the whole manufacturing cost of shield machine is reduced; And the trapezoidal cutter shaft fixed end 18 through cooperating single-blade hobboing cutter 1 two ends is provided with polygon chamfered groove 20 in single-blade hobboing cutter tool rest 7; And be fixed in the tool rest with wedge 19 and locking cylinder 21, not only can make fixing more reliably, can also reduce the difficulty of dismounting.
Shown in Fig. 7 and 8; Twolip hobboing cutter 2 two ends respectively are provided with a twolip hobboing cutter cutter shaft with fixed bearing 10; A convexity is set in the middle of fixed bearing 10 1 sides, protruding both sides respectively have a screwed hole, and fixed bearing 10 opposite sides, corresponding one of them screwed hole place are provided with an inclined-plane; Inclined surface is provided with a corner block 12; Be provided for holding the stepped hole of twolip hobboing cutter 2 in the twolip hobboing cutter tool rest 8, corresponding fixed bearing 10 is provided with the respective threads hole on the step, and twolip hobboing cutter tool rest 8, the fixed bearing 10 that has twolip hobboing cutter 2 and corner block 12 connect into an integral body through screw 11; Adopt such structure can make twolip hobboing cutter 2 that more convenient and quicker is installed, and corner block 12 also capable of using is strengthened fixing to it.
Same; Four sword hobboing cutter tool rests 9 in this shield machine are similar with the structure of twolip hobboing cutter tool rest 8, like Fig. 3, shown in 7 and 8, in the four sword hobboing cutter tool rests 9 two twolip hobboing cutters 2 are set; Earlier two twolip hobboing cutters 2 are connected into an integral body; A fixed bearing 10 respectively is set connecting into two whole twolip hobboing cutter 2 both sides then, again four sword hobboing cutter tool rests 9 is produced stepped hole according to Fig. 7, and on stepped hole, process and fixed bearing 10 corresponding screwed holes; Again four sword hobboing cutter tool rests 9 are welded on the cutterhead support 5; And the twolip hobboing cutter that connects 2 usefulness screws 11 are fixed in the stepped hole of four sword hobboing cutter tool rests 9 with corner block 12, adopt this structure can reduce difficulty of processing, stepped hole also capable of using and corner block 12 are fixed on hobboing cutter in the four sword hobboing cutter tool rests 9 firmly simultaneously.
During work, fluid motor-driven cutterhead 4 rotates, and opens the propelling oil cylinder of shield machine simultaneously; Shield machine is pushed ahead, and along with advancing pushing ahead of oil cylinder, cutterhead 4 continues rotation; Be cut the dregs that gets off and be full of native storehouse 13, start conveying worm 16 dregs that cuts is displaced on the belt conveyor this moment, after again belt conveyor be transported in the native case of dregs car; Be transported to ground through vertical shaft again, when the dregs in native storehouse 13 and the conveying worm 16 was accumulated to some, the dregs that the excavation face is scaled off increased through the resistance that the cutter groove gets into native storehouse 13; When the soil pressure of the soil pressure in native storehouse 13 and excavation face and phreatic water pressure balance each other; The excavation face just can keep stable, and the above ground portion that the excavation face is corresponding is also unlikely to cave in or swell, when at this moment needing only the dregs amount phase equilibrium in maintenance dregs amount that from conveying worm 16 and native storehouse 13, transfers out and the person who lives in exile's clay bin that cuts; Excavation work just can be carried out smoothly; And after the distance of shield machine driving one ring, assembling machine operator operation assembling machine assembly unit single shell lining section of jurisdiction makes the tunnel one-shot forming.
Claims (5)
1. trapezoidal axle hobboing cutter hard rock shield machine; Comprise the anterior shield that sets gradually, middle shield and backing, and the cutterhead that is arranged on anterior shield one side, the cutterhead support is set on the said cutterhead; The some tool rests of welding in the said cutterhead support; Place the column type hobboing cutter in the said tool rest, it is characterized in that said tool rest comprises single-blade hobboing cutter tool rest, twolip hobboing cutter tool rest and four sword hobboing cutter tool rests; Said single-blade hobboing cutter tool rest integral body is drum type brake; Said single-blade hobboing cutter tool rest inwall up and down has the polygon chamfered groove that is used for fixing the single-blade hobboing cutter, and said single-blade hobboing cutter tool rest upper inside wall end face has opening and is communicated with said chamfered groove, and the trapezoidal cutter shaft fixed end at said single-blade hobboing cutter two ends is fixed on the said chamfered groove inwall through wedge.
2. trapezoidal axle hobboing cutter hard rock shield machine according to claim 1; It is characterized in that; Have fixing hole on the said single-blade hobboing cutter tool rest, place screwed locking cylinder in the said fixing hole, have unthreaded hole on the said single-blade hobboing cutter tool rest; Said unthreaded hole one end is communicated with said chamfered groove, and the other end is communicated with said fixing hole.
3. according to claim 1 or 2 arbitrary described trapezoidal axle hobboing cutter hard rock shield machines; It is characterized in that; Said wedge adopts block structure wide at the top and narrow at the bottom, and is fastened on the single-blade hobboing cutter tool rest through set bolt, and said set bolt passes the locking cylinder in the single-blade hobboing cutter tool rest fixing hole.
4. trapezoidal axle hobboing cutter hard rock shield machine according to claim 1; It is characterized in that; Said cutterhead carriage center is provided with four sword hobboing cutter tool rests; Place two twolip hobboing cutters in the said four sword hobboing cutter tool rests, and said four sword hobboing cutter tool rest bilateral symmetry are provided with twolip hobboing cutter tool rest, twolip hobboing cutter of placement in the said twolip hobboing cutter tool rest.
5. trapezoidal axle hobboing cutter hard rock shield machine according to claim 4; It is characterized in that said twolip hobboing cutter two ends respectively are provided with a twolip hobboing cutter cutter shaft and use fixed bearing, a convexity is set in the middle of said fixed bearing one side; Said protruding both sides respectively have a screwed hole; And said fixed bearing opposite side, corresponding one of them screwed hole place are provided with an inclined-plane, and corresponding said inclined-plane is provided with corner block, is provided for holding the stepped hole of twolip hobboing cutter in the said twolip hobboing cutter tool rest; Corresponding fixed bearing is provided with the respective threads hole on the said step, and said twolip hobboing cutter tool rest, the fixed bearing that has the twolip hobboing cutter and corner block connect into an integral body through screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220045600 CN202531186U (en) | 2012-02-13 | 2012-02-13 | Hard rock shield tunneling machine of trapezoid shaft hobbing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220045600 CN202531186U (en) | 2012-02-13 | 2012-02-13 | Hard rock shield tunneling machine of trapezoid shaft hobbing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531186U true CN202531186U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220045600 Expired - Fee Related CN202531186U (en) | 2012-02-13 | 2012-02-13 | Hard rock shield tunneling machine of trapezoid shaft hobbing cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531186U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989625A (en) * | 2017-12-06 | 2018-05-04 | 秦汉新城永顺掘进设备开发工程有限责任公司 | Miniature shield machine within the drive-type 1000mm of axle center |
| CN108019217A (en) * | 2017-12-06 | 2018-05-11 | 秦汉新城永顺掘进设备开发工程有限责任公司 | Planetary driving type 1500 is to 3000mm miniature shield machines |
| CN110295916A (en) * | 2019-07-09 | 2019-10-01 | 中亿丰建设集团股份有限公司 | A kind of rock push-bench |
| WO2020108094A1 (en) * | 2018-11-28 | 2020-06-04 | 中铁工程装备集团有限公司 | Novel hobbing cutter holder capable of quick cutter replacement, and cutter replacement method therefor |
| CN116084974A (en) * | 2023-03-14 | 2023-05-09 | 盾科工程装备有限公司 | Shield constructs machine with secondary crushing function |
-
2012
- 2012-02-13 CN CN 201220045600 patent/CN202531186U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989625A (en) * | 2017-12-06 | 2018-05-04 | 秦汉新城永顺掘进设备开发工程有限责任公司 | Miniature shield machine within the drive-type 1000mm of axle center |
| CN108019217A (en) * | 2017-12-06 | 2018-05-11 | 秦汉新城永顺掘进设备开发工程有限责任公司 | Planetary driving type 1500 is to 3000mm miniature shield machines |
| WO2020108094A1 (en) * | 2018-11-28 | 2020-06-04 | 中铁工程装备集团有限公司 | Novel hobbing cutter holder capable of quick cutter replacement, and cutter replacement method therefor |
| CN110295916A (en) * | 2019-07-09 | 2019-10-01 | 中亿丰建设集团股份有限公司 | A kind of rock push-bench |
| CN110295916B (en) * | 2019-07-09 | 2024-05-17 | 中亿丰建设集团股份有限公司 | Rock push bench |
| CN116084974A (en) * | 2023-03-14 | 2023-05-09 | 盾科工程装备有限公司 | Shield constructs machine with secondary crushing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20150213 |
|
| EXPY | Termination of patent right or utility model |