CN206581354U - The drum and dredging machine of dredging machine - Google Patents

Abstract

This application discloses the drum of dredging machine and dredging machine, wherein drum includes drum body, one end of drum body has opening, there is the accommodating chamber for being used for accommodating flexible axle in drum body, opening is connected with accommodating chamber, the side wall of drum body has is provided with waterproof plug in the osculum connected with accommodating chamber, discharge outlet.The application is by setting osculum and waterproof plug so that when dredging machine is used, waterproof plug can be by the water-stop inside drum, substantially reduce because liquid flows out the conductive security hidden danger brought, and after the completion of dredging machine use, waterproof plug is taken out, the circulation of roller inner air can be increased, accelerate moisture evaporation, effectively flexible axle can be prevented to get rusty.

Description

The drum and dredging machine of dredging machine

Technical field

The utility model is related to dredging device, and in particular to the drum and dredging machine of dredging machine.

Background technology

Sewer pipe is essential, such as toilet downpipe in life, when foreign matter is dropped into downcomer, is cleared up non- Often trouble, the especially downcomer with water back bending, are difficult to clean up, and downcomer is used for a long time and cannot cleared up, and dirt and urine alkali are all Collection is pressed in crook of turning one's coat, and is easily caused sewer from blocking.

Dredging machine is the instrument for clearing up dredge blockage pipeline, and it drives flexible axle to rotate to pipeline by the drum of rotation Dredged, under non-working condition, flexible axle can be taken in the drum of dredging machine, can be pulled out when in use from drum. But the side wall of existing drum does not set osculum, it can not in time be discharged using ponding inside tail-pulley, cause flexible axle Get rusty, influence is used.

Utility model content

The utility model solves existing drum and not had in view of the above-mentioned problems, propose the drum and dredging machine of dredging machine There is discharge structure to cause the problem of flexible axle gets rusty easily.

The technical scheme that the utility model is taken is as follows：

A kind of drum of dredging machine, including drum body, one end of drum body, which has to have in opening, drum body, to be used In the accommodating chamber for accommodating flexible axle, the opening is connected with accommodating chamber, and the side wall of the drum body has what is connected with accommodating chamber Waterproof plug is installed in osculum, discharge outlet.

By setting osculum and waterproof plug to enable in dredging machine in use, waterproof plug is by the watertight inside drum Envelope, is substantially reduced because liquid flows out the conductive security hidden danger brought, and after the completion of dredging machine use, waterproof plug is taken out, The circulation of roller inner air can be increased, accelerate moisture evaporation, effectively flexible axle can be prevented to get rusty.

Optionally, the osculum has internal thread, and the waterproof plug coordinates with osculum screw thread.

The form that screw thread coordinates can be such that waterproof plug is reliably mounted on osculum.

Optionally, thread bush is embedded with the osculum, the madial wall of the thread bush has screw thread, the waterproof plug Coordinate with screw thread external threading.

Directly be threaded on osculum it is cumbersome, can be conveniently in osculum institute by being threaded set Threaded area is formed in position, so that waterproof plug can be threaded in or out.

Optionally, sealing ring is provided between the osculum and waterproof plug.

By setting sealing ring to improve the sealing property of waterproof plug and osculum.

Optionally, the osculum is arranged far from the side wall of the opening.

Optionally, the described one end of drum body away from opening is included positioned at the depressed area at middle part and outside depressed area The annulus in week, the osculum is arranged on annulus.

The depressed area of drum body is used to coordinate with drive mechanism, and depressed area causes the moisture inside drum to overstock Annulus is for place, and osculum, which is arranged on annulus, can facilitate the discharge of internal moisture.

Disclosed herein as well is a kind of dredging machine, including drum described above.

The beneficial effects of the utility model are：By setting osculum and waterproof plug to cause in dredging machine in use, waterproof Plug can substantially reduce the water-stop inside drum because liquid flows out the conductive security hidden danger brought, and make in dredging machine After the completion of, waterproof plug is taken out, by increasing capacitance it is possible to increase roller inner air circulates, accelerate moisture evaporation, can effectively prevent flexible axle Get rusty.

Brief description of the drawings：

Fig. 1 is the structural representation of the dredging machine of embodiment 1；

Fig. 2 is the sectional view of the dredging machine of embodiment 1；

Fig. 3 is that the dredging machine of embodiment 1 removes the explosive view after flexible axle；

Fig. 4 is the explosive view of drum；

Fig. 5 is the sectional view of drum；

Fig. 6 is the partial exploded view of flexible axle retaining mechanism at the dredging machine drive end bearing bracket of embodiment 1；

Fig. 7 is the partial exploded view at another visual angle of flexible axle retaining mechanism at the dredging machine drive end bearing bracket of embodiment 1；

Fig. 8 is the partial exploded view of flexible axle；

Fig. 9 is the sectional view at the dredging machine drive end bearing bracket of embodiment 1；

Figure 10 is the explosive view at the dredging machine drive end bearing bracket of embodiment 1；

Figure 11 is the explosive view at another visual angle at the dredging machine drive end bearing bracket of embodiment 1；

Figure 12 is the explosive view of the dredging machine of embodiment 2.

Each reference is in figure：

1st, flexible axle；2nd, drum；3rd, drum body；4th, it is open；5th, main casing；6th, drive end bearing bracket；7th, drum installation cavity 7；8th, even Joint；9th, motor；10th, 3rd bearing；11st, hollow hole；12nd, the first mounting groove；13rd, depressed part；14th, osculum；15th, seal Circle；16th, waterproof plug；17th, thread bush；18th, depressed area；19th, lug boss；20th, annulus；21st, accommodating chamber；22nd, outer shaft；23rd, it is interior Axle；24th, the first connector；25th, the second connector；26th, the first screw；27th, limiting section；28th, limited post；29th, adapter sleeve；30、 Through hole；31st, connecting pole；32nd, screwed hole；33rd, hollow bulb；34th, the first recess；35th, the second recess；36th, retaining ring；37th, it is elastic Stay；38th, outer shroud；39th, inner ring；40th, connection strap；41st, side wall is locked；42nd, inner fovea part；43rd, protective cover；44th, hollow extension Portion；45th, connection end；46th, locking end；47th, kink；48th, limited step；49th, curved wall；50th, sheathing；51st, fixing axle Bearing；52nd, clutch shaft bearing；53rd, mobile bearing；54th, second bearing；55th, central pivot point screw；56th, locating piece；57th, position Hole；58th, steel ball；59th, operation handle；60th, spring leaf；61st, compressive plane；62nd, spring；63rd, installing port；64th, pedestal；65th, connect Block；66th, first hole is passed through；67th, second hole is passed through；68th, fitting recess；69th, the 3rd hole is passed through；70th, spring mounting groove；71st, block Portion；72nd, body is connected；73rd, curved portions；74th, pressing area；75th, breach；76th, housing.

Embodiment：

With reference to each accompanying drawing, the utility model is described in detail.

Embodiment 1

As shown in Figure 1,2 and 3, a kind of dredging machine, including casing, drum 2, flexible axle 1 and for drive drum 2 rotate Drive mechanism.

As shown in Fig. 3,4 and 5, drum 2 includes drum body 3, and one end of drum body 3 has opening 4, drum body 3 Interior to have the accommodating chamber 21 for being used for accommodating flexible axle 1, opening 4 is connected with accommodating chamber 21, and the side wall of drum body 3 has and accommodating chamber Waterproof plug 16 is installed in the osculum 14 of 21 connections, discharge outlet.By setting osculum 14 and waterproof plug 16 to cause in dredging Machine is in use, the water-stop inside drum 2 can be substantially reduced due to liquid that to flow out the conductive security that brings hidden by waterproof plug 16 Suffer from, and after the completion of dredging machine use, waterproof plug 16 taken out, by increasing capacitance it is possible to increase roller inner air circulates, accelerate moisture evaporation, Flexible axle 1 can be effectively prevented to get rusty.

As shown in figure 5, in the present embodiment, thread bush 17 is embedded with osculum 14, the madial wall of thread bush 17 has Screw thread, waterproof plug 16 coordinates with the screw thread of thread bush 17.Directly be threaded on osculum 14 it is cumbersome, by being threaded Set 17 conveniently can form threaded area in the position of osculum 14, so that waterproof plug 16 can be threaded in or out, The form that screw thread coordinates can be such that waterproof plug 16 is reliably mounted on osculum 14., can be in draining in other embodiment Internal thread is directly set in hole 14.

As shown in Figures 4 and 5, in the present embodiment, sealing ring 15 is provided between osculum 14 and waterproof plug 16.By setting Sealing ring 15 can improve the sealing property of waterproof plug 16 and osculum 14.

As shown in Figures 4 and 5, in the present embodiment, osculum 14 is arranged far from the side wall of opening 4, and drum body 3 is remote Leaving one end of mouth 4 includes the depressed area 18 positioned at middle part and the annulus 20 positioned at the periphery of depressed area 18, and osculum 14 is set Put in annulus 20.The depressed area 18 of drum body 3 is used to coordinate with drive mechanism, and depressed area 18 causes inside drum 2 Moisture can be overstock in annulus 20 for place, and osculum 14, which is arranged on annulus 20, can facilitate the discharge of internal moisture.

The drum 2 of the present embodiment and the dependency structure of drive mechanism structure constitute the drum driving structure of dredging machine, specifically , as shown in Figures 3 and 4, drive mechanism includes being provided with connector 8 on output shaft, the output shaft of drive mechanism, and drum 2 is rotated On casing, openend and the casing of drum 2 are rotatably assorted, and depressed area 18 coordinates with connector 8, lead to during output shaft rotation Cross connector 8 and drive the synchronous axial system of drum 2.Connector 8 stretches into depressed area 18, and both can rotate together in cooperation, relative to logical For the form for crossing screw fixation, drum 2 and drive mechanism convenient disassembly；The depressed area 18 of drum 2 enables connector 8 embedding Enter, structure can be made more compact.

As shown in Figures 3 and 4, have in the present embodiment, in depressed area 18 on multiple lug bosses 19, connector 8 have with The depressed part 13 that lug boss 19 coordinates, lug boss 19 cooperates with depressed part 13.The cooperation of lug boss 19 and depressed part 13, energy It is enough to form mutually chimeric concaveconvex structure, effectively prevent from skidding, drum 2 and the stressed effect of connector 8 are preferable, and when installing, only Connector 8 is needed to be embedded in depressed area 18.In other embodiment, multiple depressed parts can be set in depressed area, connected The lug boss coordinated with depressed part can be set on head, and lug boss cooperates with depressed part.

As shown in Fig. 2 in the present embodiment, drive mechanism is motor 9, can also be existing using other when practice Driving structure, in the present embodiment, motor 9 includes the stator and rotor being arranged in casing.Output described in the present embodiment Axle can directly be the rotary shaft of rotor, may not be, when output shaft is not the rotary shaft of rotor, and the rotary shaft of rotor is led to Cross transmission component driving output shaft rotation.

As shown in figure 3, in the present embodiment, the openend of drum 2 is provided with 3rd bearing 10, and drum 2 passes through the 3rd axle 10 are held to be rotatably assorted with casing.The one end of drum 2 is rotatably assorted by 3rd bearing 10 and casing, and the other end coordinates with connector 8, This structure type ensure that drum 2 is reliably rotatably installed on dredging machine.

The structure that the present embodiment casing cooperates with drum 2 constitutes the drum safeguard structure of dredging machine, specifically, such as Shown in Fig. 2, there is drum installation cavity 7 in housing, drum 2 is rotatably installed in drum installation cavity 7.Drum 2 is arranged on drum peace Behave affectedly in 7, drum 2 be difficult when rotating with foreign objects or ground friction, operation is comfortable, safer.

As shown in Figures 2 and 3, housing has the hollow hole 11 connected with drum installation cavity 7, and hollow hole 11 is transported with osculum 14 Dynamic region is corresponding.Hollow hole 11 is corresponding with the moving region of osculum 14 to allow osculum 14 to turn to hollow hole 11 Place, so as to dismount waterproof plug 16.

As shown in figure 3, in the present embodiment, housing includes the drive end bearing bracket 6 and main casing 5 being connected with each other, main casing 5 One end has the first mounting groove 12, and hollow hole 11 is located on main casing 5, i.e., hollow hole 11 runs through the side wall of the first mounting groove 12. The space that the mounting groove 12 of drive end bearing bracket 6 and first is surrounded is drum installation cavity 7, and drive mechanism is arranged on main casing 5, driving machine One end of the output shaft of structure is located on the first mounting groove 12；Drive end bearing bracket 6 is covered on the first mounting groove 12, and drum body 3 is opened Mouth end is rotatably assorted by 3rd bearing 10 with drive end bearing bracket 6, and the one end of drum body 3 away from opening 4 is located at the first mounting groove 12 Interior and output shaft with drive mechanism coordinate (specific to the present embodiment, the depression of the connector 8 installed on output shaft and drum 2 Area 18 coordinates), rotated with output shaft.During assembling, drum 2 is pressed into drive end bearing bracket 6 together with 3rd bearing 10, then again by main casing Body 5 is connected with drive end bearing bracket 6 so that the output shaft of drive mechanism coordinates with drum 2 to be driven, and drum 2 is located at drive end bearing bracket 6 and main casing Inside 5, protective action is played.

As shown in Figures 2 and 8, flexible axle 1 includes outer shaft 22 and the interior axle 23 being connected with each other, and outer shaft 22 and interior axle 23 are detachably matched somebody with somebody Close.One end of interior axle 23 is used to be connected with drum 2, and one end of outer shaft 22 is used to stretch into carry out purge operation, the application in pipeline Flexible axle 1 can be spring flexible shaft, the working end of outer shaft 22, which has, stirs head.Outer shaft 22 and interior axle 23 detachably coordinate, this knot Configuration formula, when outer shaft 22 knots or damaged, to pull out flexible axle, then separate outer shaft 22 and interior axle 23, more renew Outer shaft 22.

As shown in Figures 2 and 8, in the present embodiment, one end of outer shaft 22 is fixed with the first connector 24, one end of interior axle 23 The second connector 25 is fixed with, the first connector 24 is nested with the second connector 25, and is interfixed by fastener.The A connection piece 24 includes having through hole 30, second on adapter sleeve 29 and the limited post 28 stretched into inside outer shaft 22, adapter sleeve 29 Connector 25 includes having screwed hole 32, connection on connecting pole 31 and the limited post 28 stretched into inside interior axle 23, connecting pole 31 Be enclosed in post 31 on adapter sleeve 29, screwed hole 32 is corresponding with through hole 30, fastener pass through through hole 30 after with connecting pole 31 Screwed hole 32 coordinates, and the fastener in the present embodiment on flexible axle 1 is the first screw 26.The inner sleeve of connecting pole 31 is in outer shaft 22 or interior In axle 23, connector is fixed reliable and is difficult to make flexible axle local size excessive, and adapter sleeve 29 is mutually nested with connecting pole 31 and leads to Cross fastener to fix, two connector convenient disassembly.In other embodiment, the first connector 24 can be fixed on the end of interior axle 23 Portion, the second connector 25 can be fixed on the end of outer shaft 22.

As shown in Fig. 2 in the present embodiment, the external diameter of adapter sleeve 29 is identical with the external diameter of flexible axle.

As shown in Figures 2 and 8, in the present embodiment, there is the limiting section 27 of outwardly convex in interior axle 23.The limit of outwardly convex Position portion 27 is excessively exported for limiting flexible axle, if without limiting section 27, may export long because of flexible axle when using, in drum 2 Portion's flexible axle is too short, and drum 2 does not have enough frictional force to drive rotating soft axle with flexible axle, causes flexible axle not withdraw.

In the present embodiment, the diameter of interior axle is identical with the diameter of outer shaft, and the hardness of interior axle is more than the hardness of outer shaft, described interior Axle, which is used to coordinate with drum, realizes driving effect.Interior axle hardness is high, and tension force is big, by increasing capacitance it is possible to increase with the friction between drum inwall Power, in the case of equal frictional force, length can effectively save space and reduction weight with shorter.In order that interior axle Hardness is more than the hardness of outer shaft, interior axle and outer shaft can be realized from different materials (interior shaft material is harder, outer shaft material compared with It is soft), except that with different materials, can also use identical material, when using same material, the pitch of interior axle is less than The pitch of outer shaft.

The present embodiment dredging machine includes flexible axle retaining mechanism, specifically, as shown in Figures 6 and 7, drive end bearing bracket 6, which has, supplies flexible axle 1 The hollow bulb 33 passed through, axially disposed at least two first recess 34 in end of hollow bulb 33；Flexible axle retaining mechanism includes：

Flexible locking piece 37, flexible locking piece 37 includes connection end 45 and locking end 46, the connection end of flexible locking piece 37 45 are relatively fixed with hollow bulb 33, and the locking end 46 of flexible locking piece 37 is located at the outside of flexible axle 1；

Retaining ring 36, retaining ring 36 includes outer shroud 38 and inner ring 39, is connected between outer shroud 38 and inner ring 39 by connection strap 40 Connect, be enclosed on outside outer shroud 38 in hollow bulb 33, inner ring 39 and be enclosed on hollow bulb 33, connection strap 40 coordinates with corresponding first recess 34, It is enclosed on outside inner ring 39 on flexible locking piece 37, inner ring 39 has the locking side wall that the locking end 46 with flexible locking piece 37 coordinates 41, when retaining ring 36 is rotated, locking side wall 41 is used for the locking end 46 for compressing or discharging flexible locking piece 37.

Outer shroud 38 can drive inner ring 39 to be rotated in hollow bulb 33 when rotating, the locking side wall 41 and locking end of inner ring 39 46 coordinate for compressing or discharging flexure strip, so as to realize the locking to flexible axle 1 or unblock operation；The application passes through rotation lock Ring 36 can be achieved with locking or unlock operation, and whole operation form is simple and reliable.

Locking side wall 41 has eccentric area, and eccentric side wall is contacted with flexible locking piece.Lock the eccentric area of side wall and non-eccentricity The radial dimension in area is different, causes the compressing to flexible locking piece 37 also to differ, when in radial dimension major part and elasticity When stay 37 coordinates, flexible locking piece 37 is not compacted, due to the effect of natural resiliency, and locking end 46 is in unblock shape State, otherwise when radial dimension area smaller portions and flexible locking piece 37 coordinate, locking end 46 is compacted, and with flexible axle 1 against, Locking end 46 is in locking state, by rotation lock ring 36 so as to realize the switching of two states.Eccentric side wall is directly and bullet Property stay contact, this fit form cause assembling it is relatively simple.

As shown in fig. 7, in the present embodiment, the side outwardly convex of the locking end 46 of flexible locking piece 37 dorsad flexible axle 1, Locking side wall 41 has the inner fovea part 42 that conjunction is distributed with the lug boss 19 of kink 47.

As shown in fig. 7, in the present embodiment, the locking end 46 of flexible locking piece 37 has to the curved of the side of flexible axle 1 bending Folding part 47, kink 47 has curved wall 49 with the corresponding position of flexible axle 1.The structure of curved wall 49 causes kink 47 and flexible axle 1 contact area is larger, can preferably realize locking operation.

As shown in Figures 6 and 7, in the present embodiment, the side wall of hollow bulb 33 has the second circumferentially arranged recess 35, the Two recesses 35 are connected with corresponding first recess 34.The second recess 35 is set to be effectively increased the anglec of rotation of retaining ring 36, I.e. connection strap 40 can be movable between the both sides of the second recess 35.

As shown in Figures 6 and 7, in the present embodiment, flexible axle retaining mechanism also includes hollow protective cover 43, and protective cover 43 is consolidated The end of hollow bulb 33 is scheduled on, the connection end 45 of flexible locking piece 37 is fixed on protective cover 43.Protective cover 43 is with stretching into The hollowed extension 44 in empty portion 33, the connection end 45 of flexible locking piece 37 is plugged on hollowed extension 44 or by fastener It is fixed on hollowed extension 44.

As shown in fig. 7, in the present embodiment, hollow bulb 33 has limited step 48, retaining ring 36 is located at limited step 48 Between protective cover 43.By setting limited step 48 and protective cover 43 to limit the position of retaining ring 36, prevent it from departing from Hollow bulb 33, and protecting tube also use can be used to install flexible locking piece 37 so that it is more convenient during assembling.

The present embodiment dredging machine also includes flexible axle pushing handle telescopic control mechanism, specifically, as shown in Fig. 9,10 and 11, flexible axle stretches Controlling organization includes fixed bearing block 51, mobile bearing 53 and an operation handle 59；

Fixed bearing block 51 is fixed with housing, and the side of fixed bearing block 51 is provided with two clutch shaft bearings 52, opposite side Two second bearings 54 are installed；

Mobile bearing 53 is rotatably installed on fixed bearing block 51 or is rotatably installed on housing, mobile bearing 53 Side is provided with a clutch shaft bearing 52, and opposite side is provided with a second bearing 54, and three clutch shaft bearings 52 cooperate, structure Into 52 groups of clutch shaft bearing, three second bearings 54 cooperate, and constitute the sky between 54 groups of second bearing, three clutch shaft bearings 52 Space between gap and three second bearings 54 is used to pass through for flexible axle 1, when 52 groups of clutch shaft bearing coordinates with flexible axle 1, uses In driving the flexible axle 1 rotated to advance or retreating, when 54 groups of second bearing coordinates with flexible axle 1, for driving the flexible axle 1 rotated to advance Or retreat, when flexible axle 1 is rotated around same direction, the side that 52 groups of clutch shaft bearing is moved with 54 groups of drive flexible axles 1 of second bearing To opposite；

Operation handle 59, is rotatably installed on fixed bearing block 51 or is rotatably installed on housing, and operation handle 59 is with living Moving axis bearing 53 coordinates, for driving mobile bearing 53 to rotate.

Operation handle 59 can drive mobile bearing 53 to rotate, so as to select corresponding bearing group to match somebody with somebody with flexible axle 1 Close, when operation handle 59 drives the clutch shaft bearing 52 of mobile bearing 53 to be rotated to the clutch shaft bearing 52 of fixed bearing block 51, 52 groups of clutch shaft bearing coordinates with flexible axle 1, when operation handle 59 drives the second bearing 54 of mobile bearing 53 to fixed bearing block When 51 second bearing 54 is rotated, 54 groups of second bearing coordinates with flexible axle 1.On the premise of the rotation direction of flexible axle 1 is constant, pass through Which group bearing group rotating operation handle 59 can easily select coordinate with flexible axle 1, so as to conveniently control flexible axle 1 Advance or retreat, and the rotation direction of flexible axle 1 is constant, when flexible axle 1 is retreated, the foreign matter of end is difficult for drop-off.When operation handle 59 When controlling mobile bearing 53 in equilbrium position, two groups of bearing groups do not coordinate with flexible axle 1, and now flexible axle 1 can be with pirouette It is dynamic, it can't move forward and backward.The application can control flexible axle to stretch by an operation handle, more safe ready.In other In embodiment, the two ends of fixed bearing block 51 can be respectively mounted a clutch shaft bearing 52 and a second bearing 54, live bearing 53 two ends of seat can be respectively mounted two clutch shaft bearings 52 and two second bearings 54, and other structures are stretched in the flexible axle of the present embodiment Contracting controlling organization is identical.

As shown in Fig. 9,10 and 11, in the present embodiment, the axis of three clutch shaft bearings 52 of 52 groups of clutch shaft bearing with Flexible axle axis inequality, and the axis inequality two-by-two of three clutch shaft bearings 52；The axle of three second bearings 54 of 54 groups of second bearing Line with the axis inequality of flexible axle 1, and the axis inequality two-by-two of three second bearings 54.The inequality of the application refers to both non-intersect Also it is not parallel.When coordinating with three bearings organized with flexible axle 1, due to the frictional force produced by pressure, band moving axis when flexible axle 1 rotates Rotation is held, because bearing has certain angle, drives flexible axle 1 to advance or retreat again in turn.

As shown in Fig. 9,10 and 11, in the present embodiment, two clutch shaft bearings 52 of fixed bearing block 51 and two second Bearing 54 is symmetrical arranged, and clutch shaft bearing 52 and the second bearing 54 of mobile bearing 53 are symmetrical arranged, 52 groups of clutch shaft bearing with it is soft When axle 1 coordinates, three clutch shaft bearings 52 are uniformly distributed around flexible axle axis, when 54 groups of second bearing coordinates with flexible axle 1, three second Bearing 54 is uniformly distributed around flexible axle axis.When the flexible axle axis of the application refers to that flexible axle 1 assembles conjunction with corresponding bearing, flexible axle 1 The axis of mating part.

In the present embodiment, in addition to the detent mechanism for the position of positioning action handle 59.By setting detent mechanism Can be by the position locating dowel of operation handle 59, when not by external force, operation handle 59 can be always maintained on a position.

As shown in Fig. 9,10 and 11, in the present embodiment, detent mechanism includes：

Spring mounting groove 70, is arranged on handle；

Spring 62, in spring mounting groove 70；

Multiple positioning holes 57, are arranged on housing, are arranged in circular arc；

Steel ball 58, is arranged in spring mounting groove 70, and the outer end of side and spring 62 is against opposite side is positioned with corresponding Hole 57 coordinates.

Operation handle 59 can drive steel ball 58 to be moved between different positioning holes 57 when rotating, and spring 62 can be by steel Pearl 58 is scheduled on corresponding positioning hole 57, realizes positioning function.

As shown in FIG. 10 and 11, in the present embodiment, the side wall of hollow bulb 33 has installing port 63, and fixed bearing block 51 is worn Cross and be fixed on after installing port 63 in hollow bulb 33, operation handle 59 and mobile bearing 53 pass through same central pivot point screw 55 It is rotatably installed on fixed bearing block 51, the outside of hollow bulb 33 is fixed with sheathing 50, sheathing 50 includes being located at installing port 63 The occlusion part 71 of both sides, positioning hole 57 is arranged on the side of the oriented manipulation handle 59 of occlusion part 71.Operation handle 59 and movable axis Bearing 53 is rotatably installed on fixed bearing block 51 by same central pivot point screw 55, and this structure is more compact, and behaviour Making handle 59 and mobile bearing 53 can rotate around same axis, control more convenient reliable.

As shown in Fig. 9,10 and 11, in the present embodiment, locating piece 56 is fixed with occlusion part 71, positioning hole 57 is arranged on On locating piece 56.Positioning hole 57, which is arranged on locating piece 56, can facilitate positioning hole 57 to process, and locating piece 56 can during practice To be arranged on by fastener on occlusion part 71, or directly it is installed on occlusion part 71.

As shown in Figure 10, in the present embodiment, fixed bearing block 51 includes pedestal 64, and clutch shaft bearing 52 is arranged on pedestal 64 Both sides, pedestal 64, which has to have on two extension and spaced contiguous blocks 65 laterally, contiguous block 65, supplies central pivot point spiral shell Nail 55 pass through first pass through hole 66；The middle part of mobile bearing 53 has passed through for central pivot point screw 55 second to pass through hole 67, second is located at two contiguous blocks 65 through hole 67；The upper end of operation handle 59 has fitting recess 68, the two of fitting recess 68 Side has the passed through for central pivot point screw 55 the 3rd to pass through hole 69, and the both sides of fitting recess 68 are outer with corresponding contiguous block 65 respectively Side wall coordinates, and sheathing 50, operation handle 59, mobile bearing 53 and fixed bearing block 51 are connected to by central pivot point screw 55 Together.Second is located at two contiguous blocks 65 through hole 67, the outside of the both sides of fitting recess 68 respectively with corresponding contiguous block 65 Wall coordinates, and this structure type can be under the premise of coordinating reliably so that structure is more compact；Central pivot point screw 55 will be filled Decorations set 50, operation handle 59, mobile bearing 53 and fixed bearing block 51 link together, and total is compact reliable.

As shown in Fig. 9,10 and 11, in the present embodiment, mobile bearing 53 dorsad fixed bearing block 51 side install There is spring leaf 60, operation handle 59 has the compressive plane 61 coordinated with spring leaf 60.Operation handle 59 drives compressive plane when rotating 61 rotate, and compressive plane 61 drives spring leaf 60 to apply pressure to mobile bearing 53, so that mobile bearing 53 is stressed in Heart pivot screw 55 rotates, and the one end of mobile bearing 53 is relatively fixed the reduced space of bearing block 51, the corresponding bearing group in the end with Flexible axle 1 coordinates.

As shown in Figure 10, compressive plane 61 is located in fitting recess 68, and spring leaf 60 includes connection body 72 and is symmetrically arranged at Connect two curved portions 73 of body 72, connection body 72 is fixed on the middle part of mobile bearing 53, curved portions 73 have to The raised pressing area 74 in the side of mobile bearing 53, the one end of curved portions 73 away from connection body 72 coordinates with compressive plane 61.

Embodiment 2

As shown in figure 12, a kind of dredging machine, including housing and drum 2, housing have the breach 75 through housing, drum 2 It is rotatably installed on breach 75, housing also includes the housing 76 positioned at breach 75 and the lower section of drum 2.Dredging machine is in use, outer Frame is towards ground direction, and the housing 76 of breach 75 and the lower section of drum 2 can play protective action to drum 2, and drum 2 is being rotated Shi Buyi and ground friction.

In the present embodiment, also there is drive mechanism on housing, one end of the output shaft of drive mechanism is located on breach 75, One end of drum 2 is coordinated by 3rd bearing 10 and housing into rotation, and the other end of drum 2 and the output shaft of drive mechanism coordinate, Rotated with output shaft.

Preferred embodiment of the present utility model is the foregoing is only, not thereby patent protection of the present utility model is limited Scope, the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are made, is directly or indirectly used in it The technical field of his correlation, is similarly included in protection domain of the present utility model.

Claims (7)

1. a kind of drum of dredging machine, including drum body, one end of drum body, which has to have in opening, drum body, to be used for The accommodating chamber of flexible axle is accommodated, the opening is connected with accommodating chamber, it is characterised in that the side wall of the drum body has and receiving Waterproof plug is installed in the osculum of chamber connection, discharge outlet.

2. the drum of dredging machine as claimed in claim 1, it is characterised in that the osculum has internal thread, the waterproof Plug coordinates with osculum screw thread.

3. the drum of dredging machine as claimed in claim 1, it is characterised in that thread bush is embedded with the osculum, described The madial wall of thread bush has screw thread, and the waterproof plug coordinates with screw thread external threading.

4. the drum of dredging machine as claimed in claim 1, it is characterised in that provided with sealing between the osculum and waterproof plug Circle.

5. the drum of dredging machine as claimed in claim 1, it is characterised in that the osculum is arranged far from the opening On the wall of side.

6. the drum of dredging machine as claimed in claim 5, it is characterised in that the described one end of drum body away from opening includes Depressed area positioned at middle part and the annulus positioned at depressed area periphery, the osculum are arranged on annulus.

7. a kind of dredging machine, it is characterised in that including drum, the drum is the drum described in claim 1~6 any one Wheel.