CN103485382A - Slot milling machine front end cutting box - Google Patents
Slot milling machine front end cutting box Download PDFInfo
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- CN103485382A CN103485382A CN201310486993.3A CN201310486993A CN103485382A CN 103485382 A CN103485382 A CN 103485382A CN 201310486993 A CN201310486993 A CN 201310486993A CN 103485382 A CN103485382 A CN 103485382A
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Abstract
The invention discloses a slot milling machine front end cutting box comprising a bottom cutting box, a driven wheel assembly and an excavation cutting chain, wherein a lubricating oil pipe and a conveying pipe are arranged in an inner cavity of the bottom cutting box; a quick connector is arranged at the upper end of the lubricating oil pipe, and a distributing valve is fixedly arranged at the lower end of the lubricating oil pipe and is divided into four paths leading to a lower oil receiving block; two wheel carriers are fixedly arranged on the bottom cutting box, and an oil guide passage is communicated with a lower oil passage; the driven wheel is positioned between the two wheel carriers, a bearing is arranged on an inner ring of the driven wheel and then the driven wheel is supported on a shaft; a ring plate is fixedly arranged at the left and right ends of the inner ring respectively, a half of an oil seal is arranged in a step part of a step-shaped hole of the ring plate, and the other half of the oil seal is arranged in an end surface groove in the inner side surface of a gland; third annular sealed cabins are formed among the gland, a lower cylinder body and the sealing plate, a second annular sealed cabin is formed between the lower cylinder body and the inner ring, first annular sealed cabins are formed among the gland, the ring plate and the inner ring, and pressure grease is injected into the cabins respectively; the axial separation distance S between the gland and the ring plate is 2-3mm. The slot milling machine front end cutting box disclosed by the invention improves the sealability and water tightness of the driven wheel assembly to ensure that a slot milling machine works stably.
Description
Technical field
The present invention relates to a kind of slotter front cutting case for the construction of cement stabilization diaphragm wall engineering method, particularly a kind of being widely used for Foundation Design, retaining wall and seepproof screen construction, the supporting of Foundation Pit wall, dam reinforcement and soft foundation improvement construction.
Background technology
At present, Foundation Design at building, the excavation of road tunnel and commons ditch, the vertical shaft of shield structure, the retaining wall on basis, seepproof screen, the supporting of Foundation Pit wall, the bay sea wall, in the ground stabilization of reservoir dam and the engineerings such as improvement of soft foundation, due to soil-cement diaphragm wall engineering method (being the TRD engineering method), to have a construction machinery height low, complete machine stability is good, retaining wall, the body of wall continuity of seepproof screen, homogenieity is high, the body of wall equal thickness is without seam, core arranges arbitrarily, the wall body vertical precision is high and operating efficiency is high, the remarkable advantages such as good economy performance, find broad application and promote.Adopt the TRD engineering method to build diaphragm wall, to insert underground by the more piece cutting box that cutter is housed on the chain rail joint of the digging of slotter stirring chain, drive installation is between drive sprocket and driven sprocket and be positioned at digging on the cutting box side rails and stir chain and turn round on one side at cutter, when one edge ground moves as transverse horizontal, by in the cutting casing, spraying cutting fluid, soil solidification liquid, and make the soil of they and original position carry out mix and blend, form equal thickness cement stabilization diaphragm wall.
In the prior art, the digging stirring chain that cutter and puddler are housed forms chain-drive mechanism between drive sprocket and driven sprocket, particularly the front cutting case in the more piece cutting box is equipped with driven pulley, because this driven sprocket is positioned at underground cell body, always in cement paste, cutting fluid, among the invasion and attack of consolidation liquid and sandy soil and encirclement, its lubricated and sealing problem is more scabrous technical barrier always, the sealing means of driven sprocket and installation shaft thereof is the general mode that adopts the O RunddichtringO to combine with oil sealing usually, its sealing principle is the squeezing action by seal.Digging stir chain over the ground lower groove carry out laterally and during vertical cutting, owing to containing digging night, consolidation liquid in mud, impact on O RunddichtringO and oil sealing is very large, easily producing wearing and tearing breaks, greatly reduce its sealing performance, cause on the mud impouring driven sprocket and installation shaft thereof that contains digging night, consolidation liquid, cause the bearing that is supported on shaft end wearing and tearing to occur, cause the slotter equipment fault, and reduce operating efficiency.
Summary of the invention
The object of the invention is to according to the deficiencies in the prior art, provide a kind of effective raising slotter driven sprocket and installation shaft thereof lubricated and sealing performance, guarantee equipment working stability and the high slotter front cutting case of operating efficiency.
The present invention is achieved through the following technical solutions:
A kind of slotter front cutting case comprises:
The bottom cutting box, be provided with lubricating oil pipe, conveying and transfer tube, alignment pin, seal receptacle, snap joint, sealing shroud, distributing valve and connect oil clot on it;
The driven pulley assembly, be comprised of the wheel carrier, driven pulley and the axle that are positioned at cutting box bottom, bottom;
And be wound in the driven pulley cylindrical and be positioned at the bottom cutting box left and right side the digging chain;
It is characterized in that:
The welding structural body that described bottom cutting box is cuboid, upper end arranges upper cover plate, at it relative left and right side be provided with from top to bottom be arranged symmetrically with, respectively be the fixed mount of two; Described lubricating oil pipe and conveying and transfer tube along the vertical direction of bottom cutting box, the chamber that sets within it parallel to each other, and be positioned at the center line by the bottom cutting box and be parallel on the plan-position that its front and rear surfaces does, their upper end is separately fixed on the upper cover plate of described bottom cutting box; The lower end of described lubricating oil pipe is connected with the oil-in of distributing valve, distributing valve is provided with four minutes two oil-outs of arranging and putting, every discharge hydraulic fluid port be connected to respectively the first and second lubricating oil pipes and by they be connected to be positioned at cutting box bottom, bottom, two of the symmetrical layout in front and back connect on oil clot; The described oil clot that connects is provided with the first and second parallel each other Oil Guide roads;
Described driven pulley assembly also comprises being respectively gland, oil sealing, the girth sheets of two; Described wheel carrier is provided with two, and they are symmetricly set on its left and right sides along the axial direction of driven pulley; The inner ring of described driven pulley has two stepped holes in left and right, the bearing rear support is installed respectively in it on the axle journal of two, middle part of axle cylindrical; Described girth sheets is packed in respectively the left and right both ends of the surface of inner ring, and its outside side has the scalariform hole; Described gland endoporus is provided with inside groove, and side is provided with the end face groove relative with the stage portion in girth sheets scalariform hole, and described gland is set on the cylindrical of axle two ends after in inside groove, an O type circle being installed; Described oil sealing is arranged in the end face groove of the stage portion in girth sheets scalariform hole and gland, and respectively accounts for half by its width in stage portion and end face groove; Described wheel carrier comprises the shrouding of upper structure, bottom cylindrical shell and cylindrical shell both sides, bottom, and wherein, the endoporus of bottom cylindrical shell has the cylindrical shell inner groove, and two lip oil sealings and the Oil Guide ring between the lip oil sealing are installed in it; Described two wheel carriers are set with on the cylindrical of two of the left and right of the inner ring of driven pulley, and with gland, are fixedly mounted with respectively with screw; The two ends of described axle have external screw thread, by round nut, are screwed to fix respectively; Form the first annular sealed compartment between described gland, girth sheets and inner ring; Form the second ring packing cabin between described bottom cylindrical shell, inner ring; The superstructure end of body of described wheel carrier is provided with down and connects oil clot, connects oil clot under described to be provided with parallel each other first time oil duct and second time oil duct, and the port of these lower oil ducts has annular groove, and the 2nd O type circle is installed in it; In addition, the lower end of described first time oil duct connects the first plug and forced filling oil cup, and the lower end of described second time oil duct connects the second plug; Described first time oil duct be inner and horizontal oil duct perforation at wheel carrier, and horizontal oil duct is communicated with the first annular sealed compartment; The medial surface of described shrouding has inner groove, and the 3rd O type circle is installed in it, and this shrouding is installed in the outer face of the bottom cylindrical shell of wheel carrier; Described gland is provided with through hole, and its end is provided with the 3rd plug; Form the 3rd ring packing cabin between described gland, bottom cylindrical shell and shrouding; Described two wheel carriers are fixedly mounted with by the bottom of upper structure and bottom cutting box, and keep first time oil duct and the first Oil Guide road and second time oil duct to communicate with the second Oil Guide road; Difference injection pressure lubricating grease in the described first annular sealed compartment, the second ring packing cabin and the 3rd ring packing cabin; Described gland and girth sheets are at apparent surface's interval S of described driven pulley axial direction=2～3mm.
The present invention can be, described conveying and transfer tube comprise one group of tracheae and one group of slurry pipe, and the lower end of tracheae and slurry pipe is provided with respectively can be with the shower nozzle of a plurality of angle gas jet or liquid, and they lay respectively at the lower end, two sides of bottom cutting box.
The present invention can also be, described pressure grease is No. 2 universal lithium base fat with wear-resisting, waterproof, anti-oxidant and favorable sealing property, No. 3 universal lithium base fat or Universal automobile lithium saponify.
The present invention can also be, described lubricating oil pipe is provided with pit on the outer face of upper cover plate, and described seal receptacle is being screwed in pit with thread connecting mode after mounting O-shaped rings respectively; In one end annular groove outside of described snap joint, after mounting O-shaped rings, with thread connecting mode, be screwed in seal receptacle respectively; Described conveying and transfer tube all are provided with counterbore on the outer face that is positioned at separately upper cover plate, and described sealing shroud is the two way seal cover, have upper and lower annular groove outside, each mounting O-shaped rings in it, and it half is placed in the counterbore of upper cover plate, and second half is given prominence to outside upper cover plate; Described alignment pin is arranged on the outer face left and right sides of the upper cover plate of described bottom cutting box.
The present invention can also be that described digging chain is wound on driven pulley and two ends are placed in respectively between the fixed mount of cutting box left and right side, described bottom.
The accompanying drawing explanation
Fig. 1 is the sectional structure chart of slotter front cutting case of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is E section partial enlarged drawing in Fig. 1;
Fig. 4 is F section partial enlarged drawing in Fig. 1;
Fig. 5 is the sectional structure chart of the driven pulley assembly done along A-A in Fig. 1;
Fig. 6 be in Fig. 5 B-B to sectional view;
Fig. 7 be in Fig. 6 C-C to sectional view.
The specific embodiment
Below in conjunction with accompanying drawing, slotter front cutting case of the present invention is further described.
As shown in Fig. 1-7, a kind of slotter front cutting case comprises: bottom cutting box 1 is provided with lubricating oil pipe 11, conveying and transfer tube, alignment pin 19,19 ', seal receptacle 13, snap joint 14, sealing shroud 16, distributing valve 15 and connects oil clot 18 on it; Driven pulley assembly 2, be comprised of the wheel carrier 21, driven pulley 22 and the axle 23 that are positioned at cutting box 1 bottom, bottom; And be wound in driven pulley 22 cylindricals and be positioned at the bottom cutting box 1 left and right side digging chain 6; It is characterized in that: described bottom cutting box 1 is the welding structural body of cuboid, and upper end arranges upper cover plate 101, at it relative left and right side be provided with from top to bottom be arranged symmetrically with, respectively be the fixed mount 103,103 ' of two; Described lubricating oil pipe 11 and conveying and transfer tube along the vertical direction of bottom cutting box 1, the chamber that sets within it parallel to each other, and be positioned at the center line by bottom cutting box 1 and be parallel on the plan-position that its front and rear surfaces does, their upper end is separately fixed on the upper cover plate 101 of described bottom cutting box 1; The lower end of described lubricating oil pipe 11 is connected with the oil-in of distributing valve 15, distributing valve 15 is provided with four minutes two oil-outs of arranging and putting, every discharge hydraulic fluid port be connected to respectively the first and second lubricating oil pipes 1521,1522 and by they be connected to be positioned at cutting box 1 bottom, bottom, two of the symmetrical layout in front and back connect on oil clot 18; The described oil clot 18 that connects is provided with the first and second parallel each other Oil Guide roads 181,182; Described lubricating oil pipe 11 is provided with pit 1011 on the outer face of upper cover plate 101, and described seal receptacle 13 is being screwed with thread connecting mode in pit 1011 after mounting O-shaped rings respectively; In one end annular groove outside of described snap joint 14, after mounting O-shaped rings, with thread connecting mode, be screwed in seal receptacle 13 respectively; Described conveying and transfer tube all are provided with counterbore 1012 on the outer face that is positioned at separately upper cover plate 101, described sealing shroud 16 is the two way seal cover, has upper and lower annular groove outside, each mounting O-shaped rings in it, it half is placed in the counterbore 1012 of upper cover plate 101, and second half is given prominence to outside upper cover plate 101; Described alignment pin 19,19 ' is arranged on the outer face left and right sides of the upper cover plate 101 of described bottom cutting box 1; Described conveying and transfer tube comprise one group of tracheae 121 and one group of slurry pipe 123, and the lower end of tracheae 121 and slurry pipe 123 is provided with respectively can be with the shower nozzle 148 of a plurality of angle gas jet or liquid, and they lay respectively at the lower end, two sides of bottom cutting box 1; Described driven pulley assembly 2 also comprises being respectively gland 26, oil sealing 27, the girth sheets 28 of two; Described wheel carrier 21 is provided with two, and they are symmetricly set on its left and right sides along the axial direction of driven pulley 22; The inner ring 221 of described driven pulley 22 has two stepped holes 2211 in left and right, bearing 24 rear supports is installed respectively in it on axle 23 two, middle part of cylindrical axle journals; Described girth sheets 28 is packed in respectively the left and right both ends of the surface of inner ring 221, and its outside side has the scalariform hole; Described gland 26 endoporus are provided with inside groove 262, and side is provided with the end face groove 261 relative with the stage portion in girth sheets 28 scalariform holes, and described gland 26 is set on axle 23 two ends cylindricals after in inside groove 262, an O type circle 2621 being installed; Described oil sealing 27 is arranged in the end face groove 261 of the stage portion in girth sheets 28 scalariform holes and gland 26, and respectively accounts for half by its width in stage portion and end face groove 261; Described wheel carrier 21 comprises the shrouding 214 of upper structure 211, bottom cylindrical shell 212 and bottom cylindrical shell 212 both sides, wherein, the endoporus of bottom cylindrical shell 212 has cylindrical shell inner groove 2121, and two lip oil sealings 21211 and the Oil Guide ring 21212 between lip oil sealing 21211 are installed in it; Described two wheel carriers 21 are set with on the cylindrical of two of the left and right of the inner ring 221 of driven pulley 22, and with gland 26, are fixedly mounted with respectively with screw; The two ends of described axle 23 have external screw thread, by round nut 29, are screwed to fix respectively; Form the first annular sealed compartment 33 between described gland 26, girth sheets 28 and inner ring 221; Form the second ring packing cabin 34 between described bottom cylindrical shell 212, inner ring 221; Upper structure 211 ends of described wheel carrier 21 are provided with down and connect oil clot 215, connect oil clot 215 under described to be provided with parallel each other first time oil duct and second time oil duct 2151,2152, and the port of these lower oil ducts has annular groove 2150, and the 2nd O type circle 21501 is installed in it; In addition, the lower end of described first time oil duct 2151 connects the first plug 21511 and forced filling oil cup 21512, and the lower end of described second time oil duct 2152 connects the second plug 21521; Described first time oil duct 2151 be inner and horizontal oil duct 2153 perforations at wheel carrier 21, and horizontal oil duct 2153 is communicated with the first annular sealed compartment 33; The medial surface of described shrouding 214 has inner groove 2141, and the 3rd O type circle 2142 is installed in it, and this shrouding 214 is installed in the outer face of the bottom cylindrical shell 212 of wheel carrier 21; Described gland 26 is provided with through hole 262, and its end is provided with the 3rd plug 263; Form the 3rd ring packing cabin 35 between described gland 26, bottom cylindrical shell 212 and shrouding 214; Described two wheel carriers 21 are fixedly mounted with by upper structure 211 and the bottom of bottom cutting box 1, and keep first time oil duct 2151 and the first Oil Guide road 181 and second time oil duct 2152 to communicate with the second Oil Guide road 182; The interior injection pressure lubricating grease 369 respectively in the described first annular sealed compartment 33, the second ring packing cabin 34 and the 3rd ring packing cabin 35; Described pressure grease 369 is wear-resisting for having, No. 2 universal lithium base fat of waterproof, anti-oxidant and favorable sealing property, No. 3 universal lithium base fat or Universal automobile lithium saponify; Described gland 26 and girth sheets 28 are at apparent surface's interval S of described driven pulley 22 axial directions=2～3mm; Described digging chain 6 is wound on driven pulley 22 and two ends are placed in respectively the fixed mount 103 of cutting box 1 left and right side, described bottom, between 103 '.
When adopting the TRD slotter to carry out the Foundation Design of building, retaining wall and seepproof screen are built, the supporting of Foundation Pit wall, when dam reinforcement and soft foundation improvement construction, the front cutting case is put into to pre-groove and complete the abutting joint with other standards cutting box unit, operation sequence is as follows: handle the Milling Machine host mobility to pre-groove, after to be adjusted putting in place, handling the chain milling mechanism makes standard cutting box unit descend along track, outer face left and right sides alignment pin 19 when the upper cover plate 101 of bottom cutting box 1, 19 ' with the lower cover outer face left and right sides position of positioning hole of standard cutting box unit on time, completing snap joint 14 aligns with the snap joint seat and connects and the sealing shroud 16 of counterbore 1012 ' that all counterbores 1012 ' that is positioned at lower cover 101 ' outer face are inserted in upper cover plate 101 outer faces of the properly installed bottom cutting box 1 that is positioned at bottom in institute's adjunction respectively can aim at the counterbore on the lower cover outer face of Engage of standard cutting box unit the time, slowly put down the unit standard cutting box be connected with the slotter milling mechanism, when two cutting box complete matching co-bits, all bolts are connected and fastening putting in place, the digging chain 6 that will be positioned at cutting box 1 side, bottom is connected appropriate with the digging chain of both sides, standard cutting box unit, and pull down the fixedly latch of digging chain 6.The hoisting mechanism that starts slotter leaves pre-groove by properly installed cutting box with milling mechanism, and mobile Milling Machine main frame is to construction area.Drive the unit head of the chain milling mechanism of Milling Machine, this unit head drives the driving wheel rotation, the digging chain that cutting tool is installed moves up and down between drive sprocket and the driven pulley 22 at drive assembly 2, in situ soil is carried out milling, stirs construction operation.Be positioned at one group of tracheae 121 of bottom cutting box 1 inner chamber, one group of slurry pipe 123 shower nozzle 148 by the lower ends, two sides of bottom cutting box 1 with a plurality of angles to soil inject high pressure air and consolidation liquid and cutting fluid, pressure-air can effectively improve casting efficiency, the consolidation liquid main material is cement, can make the thin mud of mixing solidify to form the diaphragm wall body; And cutting fluid by water, swell soil etc. mix into suspension liquid, can impel the native sand slag stone cut to accelerate to flow, improve the construction quality of diaphragm wall.After the lubricating oil pipe that bottom being positioned at, the lubricating oil pipe 11 of cutting box 1 inner chamber arranges with standard cutting box unit is communicated with, by grease pump to the oil filling mouth injection pressure lubricating grease 369 that is positioned at slotter milling mechanism place and arranges, be divided into four tunnels through distributing valve 15, respectively through the first lubricating oil pipe and the second lubricating oil pipe 1521, 1521, the first Oil Guide road and the second Oil Guide road 181, 182, again by first time oil duct and second time oil duct 2151, 2152 and 2153 pairs of three the ring packing cabins of horizontal oil duct filling pressure greases 369, this pressure grease 369 has wear-resisting, waterproof, the characteristic of anti-oxidant and good seal performance, can effectively isolate mud in cell body, dust and sand and moisture, thereby ensure the sealing performance of driven pulley assembly 2 axis 23, and make bearing 24 working environment in sealing all the time by means of the effect of oil sealing 27.For guaranteeing the sealing performance of driven pulley, need in work progress, supplement in time filling, can go within every 2 hours, to be lubricated with operation at slotter the filling of filling up of fat, be full of pressure grease and pressure balance to guarantee three ring packing cabins.The present invention effectively improves sealing and the water isolating of slotter driven pulley assembly, resists the intrusion of underground water, consolidation liquid and cutting fluid, guarantees the slotter working stability, in the extension device life-span, greatly improves operating efficiency high.
Claims (5)
1. a slotter front cutting case comprises:
Bottom cutting box (1), be provided with lubricating oil pipe (11), conveying and transfer tube, alignment pin (19,19 '), seal receptacle (13), snap joint (14), sealing shroud (16), distributing valve (15) and connect oil clot (18) on it;
Driven pulley assembly (2), be comprised of the wheel carrier (21), driven pulley (22) and the axle (23) that are positioned at cutting box (1) bottom, bottom;
And be wound in driven pulley (22) cylindrical and be positioned at the bottom cutting box (1) left and right side digging chain (6);
It is characterized in that:
The welding structural body that described bottom cutting box (1) is cuboid, upper end arranges upper cover plate (101), at it relative left and right side be provided with from top to bottom be arranged symmetrically with, respectively be the fixed mount (103,103 ') of two; Described lubricating oil pipe (11) and conveying and transfer tube along the vertical direction of bottom cutting box (1), the chamber that sets within it parallel to each other, and be positioned at the center line by bottom cutting box (1) and be parallel on the plan-position that its front and rear surfaces does, their upper end is separately fixed on the upper cover plate (101) of described bottom cutting box (1); The lower end of described lubricating oil pipe (11) is connected with the oil-in of distributing valve (15), distributing valve (15) is provided with the oil-out of arranging and putting in four minutes two, every discharge hydraulic fluid port be connected to respectively the first and second lubricating oil pipes (1521,1522) and by they be connected to be positioned at cutting box (1) bottom, bottom, two of the symmetrical layout in front and back connect on oil clot (18); The described oil clot (18) that connects is provided with the first and second parallel each other Oil Guide roads (181,182);
Described driven pulley assembly (2) also comprises being respectively gland (26), oil sealing (27), the girth sheets (28) of two; Described wheel carrier (21) is provided with two, and they are symmetricly set on its left and right sides along the axial direction of driven pulley (22); The inner ring (221) of described driven pulley (22) has left and right two stepped holes (2211), bearing (24) rear support is installed respectively in it on the axle journal of two, middle part of axle (23) cylindrical; Described girth sheets (28) is packed in respectively the left and right both ends of the surface of inner ring (221), and its outside side has the scalariform hole; Described gland (26) endoporus is provided with inside groove (262), side is provided with the end face groove (261) relative with the stage portion in girth sheets (28) scalariform hole, and described gland (26) is set on the cylindrical of axle (23) two ends after in inside groove (262), an O type circle (2621) being installed; Described oil sealing (27) is arranged in the end face groove (261) of the stage portion in girth sheets (28) scalariform hole and gland (26), and respectively accounts for half by its width in stage portion and end face groove (261); Described wheel carrier (21) comprises the shrouding (214) of upper structure (211), bottom cylindrical shell (212) and bottom cylindrical shell (212) both sides, wherein, the endoporus of bottom cylindrical shell (212) has cylindrical shell inner groove (2121), two lip oil sealings (21211) is installed in it and is positioned at the Oil Guide ring (21212) between lip oil sealing (21211); Described two wheel carriers (21) are set with on the cylindrical of two of the left and right of the inner ring (221) of driven pulley (22), and with gland (26), are fixedly mounted with respectively with screw; The two ends of described axle (23) have external screw thread, by round nut (29), are screwed to fix respectively; Form the first annular sealed compartment (33) between described gland (26), girth sheets (28) and inner ring (221); Form the second ring packing cabin (34) between described bottom cylindrical shell (212), inner ring (221); Upper structure (211) end of described wheel carrier (21) is provided with down and connects oil clot (215), connect oil clot (215) under described and be provided with parallel each other first time oil duct and second time oil duct (2151,2152), the port of these lower oil ducts has annular groove (2150), and the 2nd O type circle (21501) is installed in it; In addition, the lower end of described first time oil duct (2151) connects the first plug (21511) and forced filling oil cup (21512), and the lower end of described second time oil duct (2152) connects the second plug (21521); Described first time oil duct (2151) be inner and horizontal oil duct (2153) perforation at wheel carrier (21), and horizontal oil duct (2153) is communicated with the first annular sealed compartment (33); The medial surface of described shrouding (214) has inner groove (2141), and the 3rd O type circle (2142) is installed in it, and this shrouding (214) is installed in the outer face of the bottom cylindrical shell (212) of wheel carrier (21); Described gland (26) is provided with through hole (262), and its end is provided with the 3rd plug (263); Form the 3rd ring packing cabin (35) between described gland (26), bottom cylindrical shell (212) and shrouding (214); Described two wheel carriers (21) are fixedly mounted with by upper structure (211) and the bottom of bottom cutting box (1), and keep first time oil duct (2151) and the first Oil Guide road (181) and second time oil duct (2152) to communicate with the second Oil Guide road (182); Difference injection pressure lubricating grease (369) in the described first annular sealed compartment (33), the second ring packing cabin (34) and the 3rd ring packing cabin (35); Described gland (26) and girth sheets (28) are at apparent surface's interval S of described driven pulley (22) axial direction=2～3mm.
2. slotter front cutting case according to claim 1, it is characterized in that described conveying and transfer tube comprise one group of tracheae (121) and one group of slurry pipe (123), the lower end of tracheae (121) and slurry pipe (123) is provided with respectively can be with the shower nozzle (148) of a plurality of angle gas jet or liquid, and they lay respectively at the lower end, two sides of bottom cutting box (1).
3. a kind of slotter front cutting case according to claim 1, is characterized in that described pressure grease (369) is wear-resisting for having, No. 2 universal lithium base fat of waterproof, anti-oxidant and favorable sealing property, No. 3 universal lithium base fat or Universal automobile lithium saponify.
4. a kind of slotter front cutting case according to claim 1, it is characterized in that described lubricating oil pipe (11) is provided with pit (1011) on the outer face of upper cover plate (101), described seal receptacle (13) is being screwed with thread connecting mode in pit (1011) after mounting O-shaped rings respectively; In one end annular groove outside of described snap joint (14), after mounting O-shaped rings, with thread connecting mode, be screwed in seal receptacle (13) respectively; Described conveying and transfer tube all are provided with counterbore (1012) on the outer face that is positioned at separately upper cover plate (101), described sealing shroud (16) is the two way seal cover, there is upper and lower annular groove outside, each mounting O-shaped rings in it, it half is placed in the counterbore (1012) of upper cover plate (101), and second half is given prominence to outside upper cover plate (101); Described alignment pin (19,19 ') is arranged on the outer face left and right sides of the upper cover plate (101) of described bottom cutting box (1).
5. a kind of slotter front cutting case according to claim 1, is characterized in that described digging chain (6) is wound in driven pulley (22) above and two ends are placed in respectively between the fixed mount (103,103 ') of described bottom cutting box (1) left and right side.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759263A (en) * | 2017-02-24 | 2017-05-31 | 上海广大基础工程有限公司 | A kind of servo-actuated wheel assembly of saw chain formula slotter |
| CN109356216A (en) * | 2018-11-23 | 2019-02-19 | 中建三局集团有限公司 | A kind of saw chain formula slotter driving lubrication drag reduction system and its application method |
| CN111173063A (en) * | 2020-02-15 | 2020-05-19 | 陕西力明众创机电设备有限公司 | Internal spraying milling and digging machine device |
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| JPH07305376A (en) * | 1993-05-26 | 1995-11-21 | Doboku Kenkyu Center | Chain cutter type trench excavator |
| CN201381511Y (en) * | 2009-03-26 | 2010-01-13 | 上海工程机械厂有限公司 | Pile cap for sunken steel pipe pile |
| WO2011041844A1 (en) * | 2009-10-09 | 2011-04-14 | Tcm Pty Ltd | Trench cutting machine |
| CN103147477A (en) * | 2013-04-09 | 2013-06-12 | 上海工程机械厂有限公司 | Cutting box of slot milling machine |
| CN203559444U (en) * | 2013-10-17 | 2014-04-23 | 上海工程机械厂有限公司 | Slot milling machine front-end cutting box |
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| CN109356216A (en) * | 2018-11-23 | 2019-02-19 | 中建三局集团有限公司 | A kind of saw chain formula slotter driving lubrication drag reduction system and its application method |
| CN109356216B (en) * | 2018-11-23 | 2023-05-19 | 中建三局集团有限公司 | Tunneling lubrication drag reduction system of saw chain type slot milling machine and application method thereof |
| CN111173063A (en) * | 2020-02-15 | 2020-05-19 | 陕西力明众创机电设备有限公司 | Internal spraying milling and digging machine device |
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