CN107956473A - One kind can be freely lifted the reinforced coalcutter of cover board - Google Patents

Abstract

The invention discloses one kind can be freely lifted the reinforced coalcutter of cover board, including frame, the frame divides into fixed frame, liftable frame and movable frame, further include, cut unit, including the first cutting units and the second cutting units, both are symmetrical structure, and are respectively arranged at two side positions of the alternating current traction coalcutter；Traction unit, with the cut element connection, has the first tractive unit and the second tractive unit respectively corresponding to first cutting units and the second cutting units；Control unit, is attached with the traction unit by connector；And lifting structure, it is arranged between described control unit and frame.The present invention between traction unit and control unit by setting multiple different connection and reinforcing mode; and intert coordinate each other; with high safety and stability; and the automatic telescopic structure for passing through setting; during automatic cut, it shrinks movement has the function that protection to the cutter cut.

Description

One kind can be freely lifted the reinforced coalcutter of cover board

Technical field

The present invention relates to coal mining machinery field, particularly one kind can be freely lifted the reinforced coalcutter of cover board.

Background technology

In recent years, coal-cutting machinery industry development in China's is swift and violent, has ended national coal-cutting machinery manufacturing enterprise in 2010 up to 24, for volume of production and marketing about more than 800, production capacity reaches 1500 or so.From the point of view of domestic coal machine competition situation, China's coal machine and manufactures enterprise Industry is interfereed with the development slowly by the planned economy era, and not only technical merit is relatively low, but also product is single.Although skill upgrading is very in recent years It hurry up, but compared with external coal machine giant, the reliability and stability of China's coal mining machinery equipment complete machine are not still strong, lack industry Top brand, also has a segment difference away from open coal mine digging in financial strength and R＆D capability with international most advanced level It is larger with external gap in terms of the production of equipment, greatly without being the current real picture of China's coal machine profession by force.

Coalcutter is one of important equipment for realizing coal production mechanization and modernization, and existing coalcutter is mostly building blocks Formula combining structure, whole fuselages are assembled by multiple ergasias, since coalcutter belongs to heavy-duty machinery in itself, from it is great, Tonnage weight, and the assembling of coalcutter main machine body only relies on leading screw at present and bolt is attached, there are security is inadequate, stability The problem of insufficient, while during coal mining, the rotation for cutting components over time cut at unit of coalcutter is placed on Outside can stop or encounter the colliery dropped, and make it that the component of cutting is damaged, and is reduced the service life for cutting component, is caused The wasting of resources.

The content of the invention

The purpose of this part is to summarize some aspects of the embodiment of the present invention and briefly introduce some preferably to implement Example.It may do a little simplified or be omitted to avoid our department is made in this part and the description of the present application summary and denomination of invention Point, the purpose of specification digest and denomination of invention obscure, and this simplification or omit and cannot be used for limiting the scope of the invention.

In view of problem present in above-mentioned and/or existing coalcutter, it is proposed that the present invention.

Therefore, the one of purpose of the present invention, which is to provide one kind, can be freely lifted the reinforced coalcutter of cover board, it passes through Multiple different connection and reinforcing mode are set between traction unit and control unit, and interts coordinate each other, is had high Safety and stability, and by the automatic telescopic structure of setting, it, which shrinks movement and has to the cutter cut, protects The effect of shield.

In order to solve the above technical problems, the present invention provides following technical solution：One kind can be freely lifted that cover board is reinforced to be adopted Coal machine, it includes frame, and the frame is divided into fixed frame, liftable frame and movable frame, further included, cut unit, Including the first cutting units and the second cutting units, both are symmetrical structure, and are respectively arranged at the alternating current traction coalcutter Two side positions；Traction unit, with the cut element connection, has respectively corresponding to first cutting units and the second cutting units First tractive unit and the second tractive unit；Control unit, is attached with the traction unit by connector；And lifting knot Structure, is arranged between described control unit and frame.

Beneficial effects of the present invention：The present invention between traction unit and control unit by setting multiple different connection And reinforcing mode, and intert coordinate each other, enhance the density of contact surface so that be made of traction unit and control unit Main machine body there is high safety and stability, and by the automatic telescopic structure of setting, can realize cut unit Automatic telescopic, during automatic cut, it shrinks movement has the function that protection to the cutter cut, increases The service life of apparatus.

Brief description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this For the those of ordinary skill of field, without having to pay creative labor, it can also be obtained according to these attached drawings other Attached drawing.Wherein：

Fig. 1 is the overall structure diagram described in one embodiment in coalcutter provided by the invention；

Fig. 2 is the cut unit overall structure diagram described in one embodiment in coalcutter provided by the invention；

Fig. 3 is the cut unit internal structure profile described in one embodiment in coalcutter provided by the invention；

Fig. 4 is the overall structure diagram of cut unit described in one embodiment in coalcutter provided by the invention；

Fig. 5 is the overall structure of cut movable component and office described in one embodiment in coalcutter provided by the invention Portion's enlarged diagram；

Fig. 6 is the overall structure signal of cut barrier assembly described in one embodiment in coalcutter provided by the invention Figure；

Fig. 7 is that the overall structure of the rocking arm cooling component described in second embodiment in coalcutter provided by the invention is shown It is intended to；

Fig. 8 is second embodiment B area partial enlargement structural representation in coalcutter provided by the invention；

Fig. 9 is the rocking arm connecting component structure diagram described in second embodiment in coalcutter provided by the invention；

Figure 10 is the rocking arm secure component structure diagram described in second embodiment in coalcutter provided by the invention；

Figure 11 is the rocking arm limiting component structure diagram described in second embodiment in coalcutter provided by the invention；

Figure 12 is the main machine body internal structure schematic diagram described in the 3rd embodiment in coalcutter provided by the invention；

Figure 13 is the first tractive unit internal structure profile described in the 3rd embodiment in coalcutter provided by the invention；

Figure 14 is the first running part overall structure diagram described in the 3rd embodiment in coalcutter provided by the invention；

Figure 15 is the first running part internal structure profile described in the 3rd embodiment in coalcutter provided by the invention；

Figure 16 is the misting cooling cell distribution position signal described in the 4th embodiment in coalcutter provided by the invention Figure；

Figure 17 is the control water assembly diagrammatic cross-section described in the 4th embodiment in coalcutter provided by the invention；

Figure 18 is the misting cooling cellular system schematic diagram described in the 4th embodiment in coalcutter provided by the invention；

Figure 19 is connected for the cut unit described in the 5th embodiment in coalcutter provided by the invention with traction unit to be shown It is intended to；

Figure 20 is connected for the traction unit described in the 5th embodiment in coalcutter provided by the invention with walking unit to be shown It is intended to；

Figure 21 is that the traction unit in coalcutter provided by the invention described in 5th embodiment is connected knot with control unit Structure schematic diagram；

Figure 22 is connected with control unit for the traction unit described in the 5th embodiment in coalcutter provided by the invention and cuts open Face schematic diagram；

Figure 23 is the overall structure of the hydraulic brake system described in the 6th embodiment in coalcutter provided by the invention Schematic diagram；

Figure 24 is that the part of hydraulic brake system described in the 6th embodiment in coalcutter provided by the invention is locally quick-fried Fried figure；

Figure 25 is the traction braking component structure diagram described in the 6th embodiment in coalcutter provided by the invention；

Figure 26 is the second traction regulating part structure diagram described in the 6th embodiment in coalcutter provided by the invention；

Figure 27 is the overall structure diagram of lifting structure described in the 7th embodiment in coalcutter provided by the invention；

Figure 28 is the overall structure diagram of latch part described in the 7th embodiment in coalcutter provided by the invention.

Embodiment

In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to Figure of description pair The embodiment of the present invention is described in detail.

Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with Implemented using other different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention In the case of do similar popularization, therefore the present invention is from the limitation of following public specific embodiment.

It is one embodiment provided by the invention, there is provided a kind of production cost is low and efficient with reference to Fig. 1~6 Coal mining mechanism, the main body of the mechanism include cut unit 100, traction unit 200, control unit 300 and walking unit 400, its In, one end of walking unit 400 is connected with traction unit 200, and the other end is connected with cut unit 100.Traction unit 200 The traveling for being mainly in the present invention single unit system provides motive power, and traction unit 200 is led including the first tractive unit 201 and second Draw portion 202, cut unit 100 includes the first cutting units U and the second cutting units V, the first cutting units U and 201 phase of the first tractive unit Connection, the second cutting units V are connected with the second tractive unit 202, and the first tractive unit 201 and the second tractive unit 202 are single with control Member 300 is connected, the coalcutter that composition both ends can be worked by cut unit 100.

The transmission mechanism of cut unit 100 includes the transmission of three-level straight-tooth and primary planet reducing gear.Further, three-level Include five main body shaft assemblies and three idle pulley shaft assemblies, i.e. one axis 104a-1 of cut, two axis 104a- of cut altogether in straight-tooth transmission 2nd, three axis 104a-3 of cut, one axis 104a-6 of four axis 104a-4 of cut, five axis 104a-5 of cut and idler shaft, two axis of idler shaft 104a-7, three axis 104a-8 of idler shaft.Wherein, one axis 104a-1 of cut and two axis 104a-2 of cut is two cutting motors 105 Corresponding axis, in the present invention, the drive line of the first cutting units U according to：One axis 104a-1 of cut, one axis of idler shaft 104a-6, two axis 104a-2 of cut, two axis 104a-7 of idler shaft, three axis 104a-3 of cut, four axis 104a-4 of cut, idler shaft three Axis 104a-8, cut five axis 104a-5 are sequentially connected with being driven.Wherein, one axis 104a-1 of cut by gear C ', mandrel C ", Rolling bearing C-1 and end cap C-4 etc. are formed.The outer surface at the head and the tail both ends of mandrel C " is respectively provided with external splines H-1, inner outer flower Key H-1 coordinates with cutting motor 105, and the external splines H-1 of outer end coordinates with the internal spline H-2 of gear C ' inner side.Mandrel C " is interspersed In rolling bearing C-1, and the outer end of mandrel C " is provided with end cap C-4, and end cap C-4 is fixed by screw C-11.

One axis 104a-6 of idler shaft by gear C ', mandrel C ", rolling bearing C-1 and pressing plate C-12 etc. form.Gear C ' peace On mandrel C ", mandrel C " is interspersed in rolling bearing C-1.Pressing plate C-12 is arranged on the outer end of mandrel C ", and passes through screw C-11 is fixed.

In the present embodiment, two axis 104a-2 of cut is identical with one axis 104a-1 structures of cut, two axis 104a-7 of idler shaft, Three axis 104a-8 of idler shaft is identical with one axis 104a-6 structures of idler shaft, therefore does not repeat.Three axis 104a-3 of cut is filled by clutch Put 104b, end cap C-4, rolling bearing C-1, gear shaft C, splined shaft H ', gear C ' etc. composition.Arrangement of clutch 104b is arranged on one End, and be fixed on by screw C-11 on end cap C-4.Gear shaft C is interspersed in rolling bearing C-1, its other end is splined shaft Gear C of H ', splined shaft H ' periphery with cooperation '.Four axis 104a-4 of cut is by gear shaft C, gear C ' and rolling bearing C-1 etc. Composition, gear C ' be interspersed in gear shaft C, and be interspersed in rolling bearing C-1.Five axis 104a-5 of cut is arranged at planetary reducer The end of structure, and be sequentially connected with it.Planetary gear speed reducing mechanism includes gear shaft C, planetary gear C " ', rolling bearing C-1 and core Axis C " etc., wherein planetary gear C " ' it is installed on mandrel C " go up and form transmission with gear shaft C.Gear shaft C is interspersed in rolling bearing C- In 1.

The inside of control unit 300 loads the electric-control system of coal mining mechanism, and the power supply of coal mining mechanism entirety is introduced, tapped all Complete herein.Control unit 300 is located at the middle position of coalcutter of the present invention, its both ends respectively with traction unit 200 the first tractive unit 201 and the second tractive unit 202 are docked.Electric cabinet is mainly provided with inside control unit 300, its Using KXJT1-1380/3300BP type electric cabinets, KXJT1-1380/3300BP type electric cabinets.Load MG500 (420,400)/ The electric-control system of 1180 (1020,940)-WD1 type electrical haulage shearers.Electric-control system is by major loop, master control system, AC frequency conversion Governing system etc. forms.The rated operational voltage of electric-control system is 3.3KV, will by the tractive transformer loaded in case 3.3KV voltage transformations work into 380V supply frequency conversion speed-adjusting systems.Programmable controller is selected as control core in main controller part The heart；Select the embedded 10.4 inch touchscreen Centralized Monitoring coal machine operating status of high reliability；It is equipped with wireless remote-control system, operation Safe and convenient；Frequency converter uses import component.Systematic entirety can be reliable and stable, suitable for vibrations, high temperature, moist and forceful electric power The mine operation environment of magnetic disturbance.

In the embodiment, cut unit 100 mainly completes coal breakage and coaling operation, and cut unit 100 is handed over by two 160KW Galvanic electricity machine drives jointly, and motor power is to be output to cut transmission system by the coupling spindle of an axis group.Due to being that bi-motor drives It is dynamic, therefore arrangement of clutch is arranged on first order driven end.Torque axis not only acts as power transmission and the effect of clutch, and Play the role of flexible startup and protection other machinery driving member and motor.Torque axis band cut groove end is installed on fore side, Extracted out during fracture from fore side and replace torque axis.Screw plug above machine can be used as tank filler sleeve to use, and have 3 M36 above machine Screw hole, as lifting, transport when use, the M30 bolts of conjunction gear ring and housing are used studding structure, tight moment values 1200N.M.Running check is wanted to prevent from loosening.In order to realize automatic telescopic of the structure in a plane, in the present embodiment The main body of the device includes cut positioning component 101 and cut movable component 102, wherein, positioning disk 101a is disposed through On cut first axle 101b, and pass through the spacing fixations of cut limited block 101c, positioning disk 101a and cut first axle therebetween Opposite rotation cannot occur between 101b, and rotated by cut first axle 101b, drive positioning disk 101a to rotate, cut limit Position block 101c further includes cut spacing ring 101c-1 and limited mouth 101c-2, and cut spacing ring 101c-1 is compassingly set at cut The outer surface of first axle 101b, and it is spacing by limited mouth 101c-2, do not rotate with cut first axle 101b, cut is spacing Ring 101c-1 is connected with positioning disk 101a sides.Wherein, in the present embodiment, the edge of positioning disk 101a is equipped with guide groove 101a-1, and the asymmetric settings of guide groove 101a-1, the groove trend and the one of the edge of positioning disk 101a of guide groove 101a-1 Cause, form asymmetric annular guide groove 101a-1, and there is projection and constriction, the two forms flexible guideway Footpath.Cut movable component 102 is connected with cut positioning component 101, it further includes sliding shoe 102a and telescopic block 102b, sliding shoe 102a is arranged in guide groove 101a-1, can be slided in guide groove 101a-1, and telescopic block 102b is connected with sliding shoe 102a, When sliding shoe 102a is moved along guide groove 101a-1 under the effect of external force, due to the asymmetric knots of guide groove 101a-1 Structure, its movement locus are directed to groove 101a-1 restrictions, and sliding shoe 102a can pass through projection and constriction respectively, therefore sliding One protrusion and flexible can occur in the plane where positioning disk 101a for motion block 102a, herein i.e. sliding shoe 102a and positioning disk One far and near change occurs for the centre point distance of 101a, and sliding shoe 102a is connected with telescopic block 102b, works as positioning disk 101a is motionless and sliding shoe 102a drives telescopic block 102b in positioning disk 101a when guide groove 101a-1 is by track movement is limited Protrusion occurs in the plane at place and stretches, so as to fulfill automatic stretching structure.

In order to realize that cut positioning component 101 and cut movable component 102 can drive stretching for cut barrier assembly 103 Contracting, the automatic telescopic structure further include cut barrier assembly 103, and it is solid that it further includes the first fixed link of cut 103a, cut second Fixed pole 103b and cut connector 103c.Specifically, cut the first fixed link 103a and cut the second fixed link 103b are along bar Extending direction is arranged in parallel, therebetween spacing a certain distance, the two spacing reality can be adjusted by cut connector 103c Now stretch, further, cut the first fixed link 103a is connected with telescopic block 102b, cut connector 103c one end and telescopic block 102b connections, its other end are connected with the second fixed link of cut 103b, and in the present embodiment, cut connector 103c, which is further included, to be cut Lock-bit block 103c-1, cut the 3rd fixed link 103c-2 and extension block 103c-3 are cut, wherein cut lock-bit block 103c-1 is arranged at On the second fixed link of cut 103b, extension block 103c-3 is arranged on telescopic block 102b, the 3rd fixed link 103c-2 one end of cut Be fixed on cut lock-bit block 103c-1, in the slide opening of other end insertion extension block 103c-3, when the first fixed link of cut 103a it Between cut the second fixed link 103b spacing change, pass through cut lock-bit block 103c-1 fix the 3rd fixed link of cut Middle telescopic slides of the 103c-2 in extension block 103c-3 is realized flexible.It should be noted that cut the first fixed link 103a and Straight-tooth is equipped between the second fixed link of cut 103b, one end of the straight-tooth is fixed on the first fixed link of cut 103a, when cut Cut the first fixed link 103a and cut the second fixed link 103b close to when, straight-tooth is equipped with by the second fixed link of cut 103b Slide opening, through the second fixed link of cut 103b, mines.Wherein, cut unit 100 further includes rocking arm 104, and rocking arm 104 are connected with cut first axle 101b.

In order to ensure the reliable of transmission, the straight-tooth chamber of whole cut unit 100 is single chamber, individually lubrication, The reduction box of cut unit 100 is 104 form of Integral bending rocking arm, and the cooling of cut unit 100 is mainly taken to be equipped with speed end One group of curved cooling tube is cooled down, and straight-tooth low speed end increase housing cooling jacket, is used as external spraying by nozzle after cooling and sprays, Use splash lubrication mode.In coal mining mechanism, arranged on left and right sides is equipped with cut unit 100, is symmetrical arranged, except rocking arm 104 housing, motor shroud, cooling piece and partial cover plate point or so is outer, remaining can be exchanged.Cut the first fixed link 103a and Buffer unit is provided between the second fixed link of cut 103b, which can absorb the shock and vibration being subject to, and reduce The shock and vibration produced to rocking arm 104 gear drive, improve the stationarity of transmission system, extends gear, bearing makes With the service life, the synthesis performance of complete machine is improved.

Buffer unit includes at least one hydraulic cylinder and at least one accumulator, and hydraulic cylinder and accumulator are connected to lead to , after outside receives impact, its impact force is converted into the pressure energy of hydraulic oil in hydraulic cylinder, and inhale by accumulator Receive, reduce the extraneous destructiveness brought, and improve the stabilization of internal drive system, and in the present embodiment, using hydraulic pressure Method reduces production cost, reduces the use of parts, but remains to get a desired effect.

It is second embodiment provided by the invention, which is different from one embodiment with reference to shown in Fig. 7~11 Be：Rocking arm cooling component 520 is equipped with rocking arm 104, vibration caused by coal mining machine operation is effectively avoided and makes water pipe with changing The situation that warmware connection loosens occurs.Specifically, rocking arm cooling component 520 includes rocking arm load bearing component 521, rocking arm cooling-part 522 and rocking arm connecting component 523, rocking arm load bearing component 521, play carrying rocking arm cooling-part 522 and rocking arm connecting portion The effect of part 523, it includes rocking arm accommodating member 521a and rocking-arm driving part 521b, and rocking arm accommodating member 521a is to be made of stainless steel Guard shield body, and rocking-arm driving part 521b is multiple gears is meshed the transmission mechanism of composition, and rocking-arm driving part 521b is set It is placed in the rocking arm accommodating space Y of rocking arm accommodating member 521a formation, rocking arm cooling-part 522, plays and rocking arm accommodating space Y is dropped The effect of temperature, since the gear engaged transmission of rocking-arm driving part 521b produces friction, i.e., easy production heat, shakes so as to easily cause Arm accommodating member 521a expands, and can seriously affect the work efficiency of coalcutter and sex chromosome mosaicism safe to use occurs, setting is shaken Arm cooling-part 522 can be gone out the heat exchange in rocking arm accommodating member 521a using cold and hot exchange principle, so as to come to rocking arm Cool down in accommodating member 521a, be conducive to improve the work efficiency of coalcutter, ensure usage safety performance, it is arranged at rocking arm The rocking-arm driving part 521b peripheries of load bearing component 521, easy to fast cooling；And rocking arm connecting component 523, for rocking arm cooling end The connection of part 522 and water pipe, stable connection performance is high, avoids vibration caused by coal mining machine operation and water pipe is connected with heat exchanging piece One of important component of loosening is connect, it is arranged on the water inlet and water outlet of rocking arm cooling-part 522.

Preferably, rocking arm connecting component 523 includes rocking arm fixing piece 523a and rocking arm installed part 523b.Rocking arm fixing piece 523a is fixed on the water inlet and water outlet of rocking arm cooling-part 522, and rocking arm installed part 523b is arranged on rocking arm fixing piece On 523a, it is preferred that rocking arm fixing piece 523a and rocking arm installed part 523b have stainless steel to be made, and rocking arm fixing piece 523a Internal diameter is equal with the water inlet of rocking arm cooling-part 522 and the outside diameter of water outlet, in use, rocking arm fixing piece 523a is arranged In the outside of water inlet and water outlet, and the internal diameter of rocking arm fixing piece 523a is equal with the internal diameter of rocking arm installed part 523b, but The outside diameter of rocking arm fixing piece 523a is less than the outside diameter of rocking arm installed part 523b, you can forms a hollow T-shape structure, is easy to The installation of water pipe and the flowing of water, and both can be integrally formed formula structure by injection.

Further, rocking arm installed part 523b includes rocking arm panel 523b-1, rocking arm embedded hole 523b-2, swing arm threaded hole 523b-3 and rocking arm hook 523b-4, rocking arm embedded hole 523b-2 are opened in the external place in center of rocking arm panel 523b-1, rocking arm The diameter of embedded hole 523b-2 is equal with the outside diameter of water pipe, in use, water pipe is fastened in rocking arm embedded hole 523b-2, and rocking arm Threaded hole 523b-3 and rocking arm hook 523b-4 is arranged at the periphery of rocking arm embedded hole 523b-2, of rocking arm hook 523b-4 Number is more than or equal to 2 and it is block for front and rear hollow barb；And rocking arm panel 523b-1 is arranged on the rocking arm fixing piece On the rocking arm disk 523aa of 523a, both can be integral type mechanism, also can pass through base by being welded and fixed for fixing-stable Plinth.

Preferably, cooling component 520 further includes rocking arm secure component 524 and rocking arm limiting component 525.Rocking arm secure component 524 are fixed on the outside of water pipe, wherein, rocking arm hook 524a is arranged on the circumference P of rocking arm secure component 524, rocking arm Hook 524a can be it is hook-shaped can also be " L " type, when rocking arm hook 524a be it is hook-shaped when, be not easy to move again after blocking, when for It is somewhat mobile after blocking once to depart from optimal clamped position during " L " type, easily loosen.Preferably, rocking arm hook 524a It is arranged to the shape that angle between " L " is obtuse angle.When rocking arm hook 524a and rocking arm hook 523b-4 cooperates, rocking arm is tight Gu component 524 is fixed on rocking arm installed part 523b, i.e. water pipe and 522 stable connection of rocking arm cooling-part.In the present embodiment, Rocking arm hook 523b-4 is that front and rear hollow barb is block, and the crotch of rocking arm hook 524a is through the hollow of rocking arm hook 523b-4 Region, both engage.

Preferably, in order to ensure the reliability of connection, multiple rocking arm hook 524a are set on rocking arm secure component 524, Multiple rocking arm hook 523b-4 are set on rocking arm installed part 523b, and each rocking arm hook 524a with each rocking arm hook 523b-4 is corresponding one by one.

Rocking arm limiting component 525 is connected with rocking arm installed part 523b, and the insertion of rocking arm limiting component 525 is arranged on rocking arm spiral shell Is connected with rocking arm panel 523b-1 in pit 523b-3, it includes rocking arm rotation button bar 525a, on rocking arm rotation button bar 525a Lower end equipped with rocker gear 525a-1, and rocking arm rotation button bar 525a is equipped with screw thread.Rocker gear 525a-1 and rocker gear Bar 524b-1 is intermeshed, and when reversing rocking arm rotation button bar 525a, rocker gear 525a-1 can be with rocking arm rotation button bar 525a rotates together, and when rocker gear 525a-1 rotates, engage with rocker gear bar 524b-1, therefore drive rocking arm fastening Component 524 is overall also to be rotated with, that is, drives cylinder 523aa rotations to fix, it should be noted that in the present embodiment, rocking arm Fixed body 524b includes rocker gear bar 524b-1 and rocking arm fixed plate 524b-2, when rocker gear bar 524b-1 and rocker gear 525a-1 be intermeshed when, rocker gear 525a-1 is shelved on rocking arm fixed plate 524b-2, also, rocker gear 525a-1 and There is extruding force between rocking arm fixed plate 524b-2, terminate when coordinating between rocker gear bar 524b-1 and rocker gear 525a-1 Afterwards, rocker gear 525a-1 moves to the end of rocker gear bar 524b-1 at this time, then when moving, rocker gear 525a-1 does not have The rocker gear bar 524b-1 being meshed therewith, also produces extruding force therewith without rocking arm fixed plate 524b-2, therefore rocker gear The edge contour of 525a-1 and the edge contour of rocking arm fixed plate 524b-2 pin its position because of dislocation.

And the screw thread of the swing arm threaded hole 523b-3 of rocking arm installed part 523b allows rocking arm rotation button bar 525a to lift, Realize reset at the same time.Swing arm threaded hole 523b-3 is opened on rocking arm panel 523b-1, when reversing rocking arm rotation button bar 525a, Rocker gear 525a-1 can rotate together with rocking arm rotation button bar 525a, and when rocker gear 525a-1 rotates, with rocking arm Gear bar 524b-1 engages, therefore drives rocking arm secure component 524 is overall also to rotate with.Until rocking arm rotation button bar 525a Lower end screw thread is fully screwed into swing arm threaded hole 523b-3, and rocker gear 525a-1 is engaged with rocker gear bar 524b-1 at this time Part terminate, continue to reverse rocking arm rotation button bar 525a so that the edge contour and rocking arm fixed plate of rocker gear 525a-1 The edge contour of 524b-2 pins its position because of dislocation.When needing replacing rocking arm connecting component 523, it is only necessary to anti- To rotation.

Preferably, rocking arm cooling-part 522 includes the first rocking arm heat exchanging piece 522a, the second rocking arm heat exchanging piece 522b and rocking arm Supporting item 522c.First rocking arm heat exchanging piece 522a and the second rocking arm heat exchanging piece 522b is the main body of cooling, preferably, the first rocking arm Heat exchanging piece 522a and the second rocking arm heat exchanging piece 522b is coil pipe type cooler, and coil pipe type cooler is by the straight of ell interconnection Manage or there is coiled swan-neck to form, the principle that coil pipe type cooler cools down is to use cooling fluid, so as to reach To the effect to cool down to rocking arm accommodating member 521a, and the first rocking arm heat exchanging piece 522a is exported and the second rocking arm heat exchanging piece 522b Import connects, both are vertically set on rocking-arm driving part 521b surroundings, in use, cooling fluid is from the first rocking arm heat exchanging piece 522a Import flow into, then flowed to by the outlet of the first rocking arm heat exchanging piece 522a in the second rocking arm heat exchanging piece 522b, finally from second The outlet outflow of rocking arm heat exchanging piece 522b, completes a cooling system, the first rocking arm heat exchanging piece 522a and the second rocking arm heat exchanging piece 522b can prevent both from connecting unstable generation disengaging situation and occurring, so as to be conducive to adopt by the 522c connections of rocking arm supporting item Coal machine normal use.

Preferably, rocking arm supporting item 522c includes rocking arm bolt 522c-1 and rocking arm conveyance conduit 522c-2, rocking arm conveying Pipeline 522c-2 can be arranged on threaded rod one end of rocking arm bolt 522c-1, the rocking arm bolt of rocking arm supporting item 522c by welding 522c-1 penetrabilities are fixed through rocking arm accommodating member 521a, and the stainless steel circle that rocking arm conveyance conduit 522c-2 seals up for both ends Column structure, and the end face of rocking arm conveyance conduit 522c-2 offers two rocking arm connecting hole 522c-3, connects first respectively and shakes The outlet of arm heat exchanging piece 522a and the import of the second rocking arm heat exchanging piece 522b, in use, rocking arm supporting item 522c can be used as branch Support body carries the first rocking arm heat exchanging piece 522a and the second rocking arm heat exchanging piece 522b, while can also be flowed as cooling fluid logical Road, design is reasonable, meets use demand.

It is the 3rd embodiment provided by the invention with reference to shown in Figure 12~15, which is different from second implementation Example be：First tractive unit 201 includes traction electric machine 201a, Traction Drive component 201b and traction housing Q-1；Traction electric machine 201a and Traction Drive component 201b may be contained within the inside of traction housing Q-1, and both interconnect, and form transmission.Traction Transmission component 201b is made of the transmission of two level straight-tooth and two-stage planetary reduction mechanism.

Specifically, both generally symmetrical structures of the first tractive unit 201 and the second tractive unit 202 in the present embodiment, and Both differences are mainly that first tractive unit 201 is internally provided with spray cooling system (including total water valve, Zuo Fenshui Valve, middle shunt valve, y-type filter, reducer unit, pressure release valve group, balanced valve etc.), and set inside second tractive unit 202 Be equipped with hydraulic system (including pump motor, gear pump, valve group, pressure gauge group, balanced valve, right shunt valve, self-sealing oil suction filtering Device, fine filter etc.).Wherein, spray cooling system mainly when coalcutter works to the depositing dust of working face, while to machine Critical piece (such as motor, electric control part) is cooled down；And hydraulic system be mainly used to complete coalcutter heighten control and Brake Xie Zha work.Only it is described in detail below by taking the first tractive unit 201 as an example, the second tractive unit 202 wouldn't repeat.

In the present embodiment, the casing part that housing Q-1 is the first tractive unit 201 is drawn, inside has space, and draws Motor 201a and Traction Drive component 201b is arranged at the inside of traction housing Q-1.Traction electric machine 201a is the first tractive unit 201 direct driving force source, and single unit system of the present invention carry out the mobile power source that advances.Traction Drive component 201b is first The drive line of tractive unit 201, it is attached with traction electric machine 201a.Traction Drive component 201b by two level straight-tooth transmission and Two-stage planetary reduction mechanism forms, specifically, it includes drawing an axis 201b-1, two axis 201b-2 of traction and three axis of traction 201b-3, and also intert between three and be connected with the first idler shaft 201b-4 and the second idler shaft 201b-5.Wherein, traction electric machine 201a is directly connected to one axis 201b-1 of traction, and the connecting pin of traction electric machine 201a has the external splines H-1 of shaft, draws an axis The gear of 201b-1, which corresponds to external splines H-1, has the internal spline H-2 coordinated, other axis are connected by the transmission of gear Connect.Further, in Traction Drive component 201b, each component is according to traction electric machine 201a, one axis 201b-1 of traction, first lazy Wheel shaft 201b-4, the order of three axis 201b-3 of two axis 201b-2 of traction, the second idler shaft 201b-5 and traction are attached successively.

Further, an axis 201b-1 is drawn by groups such as gear shaft C, rolling bearing C-1, positioning sleeve C-2 and connection seat C-3 Into.Gear shaft C is interspersed in rolling bearing C-1, and is fixed and is constrained by positioning sleeve C-2 and connection seat C-3.

Draw two axis 201b-2 by gear shaft C, gear C ', rolling bearing C-1, positioning sleeve C-2 and end cap C-4 etc. form. Gear C ' be sheathed on gear shaft C and be interspersed in rolling bearing C-1, is fixed and constrains finally by positioning sleeve C-2.End Lid C-4 is fixed on the end of two axis 201b-2 of traction by pin C-5.Draw three axis 201b-3 by gear C ', mandrel C ", the axis of rolling Hold the composition such as C-1, connection seat C-3, end cap C-4.Gear C ' be sheathed on mandrel C ", mandrel C " is interspersed in rolling bearing C-1, And it is fixed and constrains entirely through connection seat C-3.End cap C-4 is fixed by pin C-5.Draw the interior of three axis 201b-3 End is also associated with two-stage planetary reduction mechanism.Two-stage planetary reduction mechanism is by primary planet mechanism 201b-6 and secondary planet mechanism 201b-7 is formed, wherein, three axis 201b-3 of traction are connected with primary planet mechanism 201b-6, and secondary planet mechanism 201b-7's is outer End is additionally provided with spline housing H.

Further, two-stage planetary reduction mechanism include gear shaft C, planetary gear C " ', rolling bearing C-1, ring gear C-6, Outer toothholder C-7 etc. is formed.Wherein, planetary gear C " ' is docked with gear shaft C, is arranged at its periphery, and be interspersed in the axis of rolling by axis Hold in C-1, outer toothholder C-7 is arranged at end, is provided with pin C-5, to connect agent structure.Outer toothholder C-7 is arranged at double The periphery of level planetary gear speed reducing mechanism entirety.

In the present invention, to ensure Traction Drive component 201b sufficient lubrications, traction gear chamber is to divide cavity configuration, the first order Straight-tooth transmission is a chamber, and second level straight-tooth and double-planet mechanism are a chamber.It should be noted that traction unit 200 is at this Although playing the role of providing driving power source in invention, only relying on self structure can not realize that the advance of single unit system moves It is dynamic.Therefore agent structure of the present invention further includes walking unit 400, it is connected with traction unit 200, and corresponding to the first traction 201 and second tractive unit 202 of portion has the first running part 401 and the second running part 402, both generally symmetrical structures.First Running part 401 includes driving wheel 401a, traveling wheel 401b, guide slip shoe 401c and walking housing Q-2；Driving wheel 401a and walking Take turns 401b to interconnect, form transmission, and both may be contained within the inside of the walking housing Q-2, guide slip shoe 401c is set In the lower end of the walking housing Q-2.

In the present invention, walking unit 400, which has, transmits the power from traction unit 200, directly drives the present invention whole The effect that body device is moved.Walking unit 400 is an end equipment of single unit system, it is mutual with traction unit 200 Connection so that single unit system can produce movement.First running part 401 and the second running part 402 respectively with the first tractive unit 201 It is attached with the second tractive unit 202, the first running part 401 and the second running part 402 are symmetrical structure on the whole.Walking is single The external shell of member 400 uses welding structure, the first running part 401 and the second running part 402 except exterior housing and protecgulum Plate has differences, it is impossible to exchanges, remaining is interchangeable, therefore hereafter only the agent structure of the first running part 401 is illustrated.

In the present embodiment, walk the external shell that housing Q-2 is the first running part 401, and driving wheel 401a and walking Wheel 401b is arranged at the inside of walking housing Q-2.Driving wheel 401a and traveling wheel 401b, which is formed, to be sequentially connected, driving wheel 401a Directly from 200 passing power of traction unit, and power is transmitted to the traveling wheel 401b being attached thereto.In addition, guide slip shoe 401c is installed on the lower end of walking housing Q-2, for guiding of the single unit system when carrying out.

Further, driving wheel 401a is arranged on mandrel C ", and mandrel C " is interspersed in rolling bearing C-1.In mandrel C " Sealing ring C-8 and O-ring C-9 are also surrounded with the connection crossover position of rolling bearing C-1 peripheries, it is used for the close of structure Envelope.Traveling wheel 401b is installed on gear shaft C, and gear shaft C is interspersed in rolling bearing C-1, and gear shaft C passes through screw C-11 It is fixed.The periphery of rolling bearing C-1 is provided with one of axle sleeve C-10, and the periphery of axle sleeve C-10 is additionally provided with twice O-ring C-9。

Further, the lower end of traction housing Q-1 is provided with the support component Z with guide slip shoe 401c in correspondence with each other, because This single unit system of the invention is supported on scratch board conveyor by guide slip shoe 401c and support component Z, and on it into Row movement.Wherein, support component Z is fixed on the bottom of traction unit 200, also has two phases corresponding to guide slip shoe 401c Same part, it is mainly made of stent group welding piece, skid, axis pin etc..There is external splines H-1 in mandrel C ", for traction Unit 200 is connected.Therefore, the movement of coalcutter of the present invention needs traction unit 200 and walking unit 400 Connection and the common completion of cooperation.

Its main operational principle is：The power of traction electric machine 201a inputs passes to walking by Traction Drive component 201b The driving wheel 401a of unit 400, driving wheel 401a drive traveling wheel 401b to be rotated again.Due to traveling wheel 401b the gear teeth with The pin row of scratch board conveyor is meshed, and when traveling wheel 401b is rotated, just drives coalcutter main body above in working face Walking is drawn on conveyer.

It is the 4th embodiment provided by the invention with reference to shown in Figure 16~18, which is different from the 3rd implementation Example be：Present invention additionally comprises misting cooling unit 500, it is arranged at the inside of first tractive unit 201.It is of the present invention The master of coalcutter carrys out water pipe and is divided into four tunnels after towing cable mechanism accesses main water valve, y-type filter, five-way joint：The first via connects a left side Rocking arm external spraying and an internal spraying that rolls left, then spray through nozzle carrier, form the atomizing de-dusting to working face；Second tunnel connects the right side and shakes Arm external spraying and right roller internal spraying, then spray through nozzle carrier, form the atomizing de-dusting to working face；3rd tunnel connects pressure Table；4th tunnel enters pressure release valve group through reducer unit.

The water for entering pressure release valve group through reducer unit is changed into three tunnel low pressure cooling waters, and each road is cooled down respectively：First Road enters left shunt valve, connects left traction electric machine water jacket, left cutting motor water jacket, left cut serpentine cooler respectively；Second tunnel Into right shunt valve, right traction electric machine water jacket, right cutting motor water jacket, right cut serpentine cooler are connect respectively；3rd road into Enter middle shunt valve, then connect pump motor water jacket and electric control part water jacket.

Further, in the present embodiment, misting cooling unit 500 mainly includes control water assembly 501,502 and of feed pipe Spraying device 503, feed pipe 502 are disperseed to extend to the inside of cut unit 100 by the control water assembly 501, and at end End sets spraying device 503, is sprayed after cold water cooling from spraying device 503.The first via water outlet that above-mentioned five-way joint divides Mouth is attached with left rocking arm external spraying and an internal spraying that rolls left respectively by controlling water assembly 501, and control water assembly 501 has three Interface, one is connected with five-way joint, two other forms and connect with left rocking arm external spraying and an internal spraying that rolls left respectively.Equally , the second road water outlet that five-way joint divides is connected respectively to outside right rocking arm by another identical control water assembly 501 to be sprayed Mist and right roller internal spraying.

In the present invention, control water assembly 501 has the function that to change water stream channel in real time, to the position of temporary needs current Make-up water source, it is not necessary to position blocked, and can convert at any time.Controlling water assembly 501 mainly includes force piece 501a, valve Main body 501b and closure member 501c.Wherein, force piece 501a is arranged at the end of control water assembly 501.It is fixed that valve body 501b passes through Away from set 501d and force piece 501a be fixedly connected, valve body 501b including shell body 501b-1, the first cover closing member 501b-2, Second cover closing member 501b-3, the first separator 501b-4 and the second separator 501b-5.Closure member 501c is arranged at valve body The inside of 501b, and be attached with force piece 501a.

Further, shell body 501b-1 is arranged at the periphery of valve body 501b, is barrel-like structure, has exterior protection Effect.Meanwhile shell body 501b-1 and the first cover closing member 501b-2, the second cover closing member 501b-3 are collectively forming inner space.The One cover closing member 501b-2 and the second cover closing member 501b-3 overall structures are identical, are cover board shape, both are symmetrical arranged, and solid respectively Due to the both ends of valve body 501b.First cover closing member 501b-2 and the second cover closing member 501b-3 includes cover board F-1 and branch F- 2, cover board F-1 are main part, and branch F-2 is vertically installed in the medial surface of cover board F-1.

Further, the first separator 501b-4 and the second separator 501b-5 structures are identical, are tabular, both It is symmetrical arranged and is supported in the inside of shell body 501b-1, its edge and the madial wall of shell body 501b-1 mutually fits, and are formed Sealing.Meanwhile there is convex block on the madial wall of shell body 501b-1, it is arranged at the middle area on shell body 501b-1 madial walls Section, and one circle is set around its medial surface.First separator 501b-4 and the second separator 501b-5 are capped part 501b- respectively 2 branch F-2 is pressed against the both ends of convex block.Finally, the first cover closing member 501b-2 and the second cover closing member 501b-3 by bolt with The edges at two ends of shell body 501b-1 is fixedly connected.

It can be seen from the above, shell body 501b-1 and the connection of the first cover closing member 501b-2, the second cover closing member 501b-3 are formed Internal overall confined space, and this space is divided into by the setting of the first separator 501b-4 and the second separator 501b-5 again Three subregions, are respectively the firstth area, the secondth area and the 3rd area.Wherein, the first cover closing member 501b-2 and the first separator 501b-4 Between be the firstth area；It is the secondth area between first separator 501b-4 and the second separator 501b-5；Second separator 501b-5 It is the 3rd area between the second cover closing member 501b-3.In addition, opened on the first separator 501b-4 and the second separator 501b-5 Equipped with through hole K.

Further, force piece 501a includes cylinder 501a-1 and connecting rod 501a-2, the wherein end face of cylinder 501a-1 It is fixedly connected by the lateral surface of the spacer sleeve 501d and the first cover closing member 501b-2.Spacer sleeve 501d is cannula-like Connecting component.One end of connecting rod 501a-2 is connected with piston, and is arranged at the inside of cylinder 501a-1, and the other end runs through the first envelope Cover piece 501b-2 and the first separator 501b-4 is simultaneously fixed with closure member 501c in termination, and closure member 501c is located exactly at Partition space between one separator 501b-4 and the second separator 501b-5.Closure member 501c is spherical, its maximum cross-section circle Diameter be more than the diameter of through hole K, and less than spacing between the first separator 501b-4 and the second separator 501b-5, to protect Card closure member 501c can carry out a degree of movement between the first separator 501b-4 and the second separator 501b-5, together When can be stuck in the through hole K at its both ends.Preferably, the edge at the both ends of through hole K is disposed as chamfering form so that closure member 501c and through hole K is more closely knit reliable when coordinating.

Further, connector J is additionally provided with the outside of shell body 501b-1, for connecting the water pipe of outside.Connector J includes First connector J-1, the second connector J-2 and transition joint J-3.Wherein, the first connector J-1 correspond to the firstth area position, second Connector J-2 corresponds to the position in the 3rd area, and transition joint J-3 corresponds to the position in the secondth area.Meanwhile shell body 501b-1 Shang couple First passage T-1 should be offered in the position of the first connector J-1 and the second connector J-2；Opened corresponding to the position of transition joint J-3 Equipped with second channel T-2.

Position on the branch F-2 of cover closing member 501b-2 corresponding to first passage T-1, which offers, coordinates passage T-3, and the One passage T-1, cooperation passage T-3 are sequentially formed with second channel T-2 and connected.

In practice, when water source is switched to transition joint J-3 by extraneous water pipe, you can flow into the secondth area, Start force piece 501a at the same time to control the movement of closure member 501c.If at this time, closure member 501c is stuck in the first separator 501b- On 4 through hole K, the water from the secondth area cannot be introduced into the firstth area, can only be flowed out out of the second connector J-2 on the outside of the 3rd area； Similarly, when closure member 501c is stuck on the through hole K of the second separator 501b-5, the water from the secondth area cannot be introduced into the 3rd area, It can only be flowed out out of the first connector J-1 on the outside of the firstth area.And when closure member 501c is in middle position, do not contact any side Through hole K, then the water from the secondth area can enter the firstth area and the 3rd area at the same time, can be at the same time from the first connector J-1 and the Outflow in two connector J-2.

Wherein, in the present embodiment, the first connector J-1 and the second connector J-2 are connected extend to rocking arm and roller respectively, and Transition joint J-3 is connected on five-way joint.By the control of force piece 501a, selective cooling and spraying are realized, without It is comprehensive cooling sprinkling, rationally utilizes and save water resource.

It is the 5th embodiment provided by the invention with reference to shown in Figure 19~22, which is different from the 4th implementation Example be：By being hingedly attached between cut unit 100 and traction unit 200.Specifically, the inner side of cut unit 100 Edge is equidistant, compartment of terrain arranges an exclusive male member W, and there are hole among outer male member W.It is corresponding with cut unit 100, lead Drawing unit 200, there is also the outer male member W to work in coordination with the one side edge that cut unit 100 is connected.It is outer on cut unit 100 Outer male member W on male member W and traction unit 200 is embedded in mutually, complimentary to one another, and outside both sides after the hole face of male member W, profit Interted with axis pin X into hole, be attached.

It is the connection mode of transmission between traction unit 200 and walking unit 400.Specifically, leading in traction unit 200 Drawing in transmission component 201b has planetary gear speed reducing mechanism, wherein, the outer end that planetary gear speed reducing mechanism is connected with walking unit 400 is set There is spline housing H, in spline housing H there is internal spline H-2, the mandrel C " of driving wheel 401a above to have external splines H-1, and the traction The internal spline H-2 of unit 200 intermeshes with the external splines H-1 of walking unit 400, forms the connection mode of transmission.Work as traction After unit 200 produces power, by the gearing of spline connection, walking unit 400 is driven to be moved.

In the present invention, the common main machine body generally of the invention that traction unit 200 is formed with control unit 300, Therefore the connectivity robustness between traction unit 200 and control unit 300 is particularly critical.In the present embodiment, traction unit 200 Using the connection mode being fixedly connected between control unit 300.

Specifically, between traction unit 200 and control unit 300 have triple fixations with ensure its connection stability and Fastness.First, longitudinally it is configured, is distributed along fuselage by 4 long lead screw S pretensions, 4 long lead screw S between main machine body In four angle end positions of fuselage cross-section.Offered at four angles end of fuselage cross-section corresponding to longitudinal direction and place long lead screw S Groove.Secondly, traction unit 200 is attached with control unit 300 by connector L.Wherein, connector L matches somebody with somebody including first Component L-1 and the second counterpart L-2, the first counterpart L-1 are arranged on the inner side end of traction unit 200, the second counterpart L-2 It is arranged on the both sides outer end face of control unit 300.The structure of first counterpart L-1 and the second counterpart L-2 are worked in coordination, that This is complementary, both are engaged after docking.

Specifically, in the present embodiment, control unit 300 further includes the housing of outside, i.e. middle casing Q-3, middle case Body Q-3 is arranged at the periphery of control unit 300, and there is space to be used to place electric control box for its inside.Wherein control unit 300 Connection between traction unit 200 mainly relies on the outer end face of middle casing Q-3 both sides and the traction shell of traction unit 200 Body Q-1 inner side ends are docked.

Further, the first counterpart L-1 laterally sets and is arranged in traction unit 200 is right against control unit 300 one Side end face, and the second counterpart L-2 laterally sets and is arranged in the both ends of the surface of middle casing Q-3.

Further, the first counterpart L-1 and the second counterpart L-2 structures are in complementary type, and section is hook-shaped, and curved Hook direction mutually faces.Specifically, for the benefit of actual installation, the direction of the first counterpart L-1 is downward, the second counterpart L-2's Towards upwards., only need to be by the first counterpart L-1 hooks when needing traction unit 200 being installed to 300 both sides of control unit It is suspended to inside the second counterpart L-2, realizes engaged.Preferably, multigroup first counterpart L-1 can be provided with the present invention It is horizontal and be arranged in parallel within interface with the second counterpart L-2.

Further, the first counterpart L-1 and the second counterpart L-2 is engaged be attached after, centre stay seam Fixing piece G is inserted into realize that buckle is fixed in gap.Specifically, since the first counterpart L-1 and the second counterpart L-2 are overhang Agent structure surface, therefore after both are connected, gap can be produced among neighbouring one group of connector L.In this reality Apply in example, in the gap that fixing piece G is interted to centre, realize closely knit and reinforce.Wherein, fixing piece G generally tabulars, it is wide Distance of the degree corresponding to one group of neighbouring connector L.

Last traction unit 200 is connected by connector L with control unit 300 and then is reinforced using bolt.Spiral shell Bolt is arranged between all two groups of adjacent connector L.It is interspersed in due to fixing piece G in the gap of centre, fixing piece G The upper position corresponding to bolt offers bolt hole.

It is the 6th embodiment provided by the invention with reference to shown in Figure 23~26, which is different from the 5th implementation Example be：Hydraulic brake system 700 is equipped with the traction unit 200 of coal mining mechanism, which includes traction power component 701st, traction braking component 702 and traction regulatory component 703, three is used in conjunction with each other, and can effectively improve the work of coalcutter Make efficiency, using reliable, further, traction power component 701, for providing the power of coalcutter advance, it is specifically included Traction drive part 701a, traction connector 701b and traction conveying member 701c, it is preferred that traction drive part 701a is motor, is led It is gear to draw conveying member 701c, specifically, traction drive part 701a and traction conveying member 701c is connected by drawing connector 701b Connect, and draw connector 701b penetrabilities through the center of traction conveying member 701c；And traction braking component 702, it is coalcutter The agent structure of braking, it is connected with the traction conveying member 701c of traction power component 701 by drawing connector 701b, it is wrapped Traction press body 702a is included, the further press body 702a that draws is by oil cylinder group welding piece, piston, adjusting pad, spline housing, sealing The parts such as pad, internal tooth casing, outside friction disc, inner attrition piece, butterfly spring form, and are normally closed type, the Xie Zha when connecting hydraulic oil, and it is dynamic Braking moment is 280N.m, and brake stator torque is 390N.m, releases 1.2~1.4MPa of braking oil pressure.Working status is wet type work Make, require internal have oil during use；And regulatory component 703 is drawn, realize the basis more preferably braked, it divides into the first traction tune The traction regulating parts of part 703a and second 703b is saved, the first traction regulating part 703a insertions are arranged on leading for traction braking component 702 Draw in press body 702a, and the first traction regulating part 703a is arranged on the outside of traction connector 701b, and the second traction is adjusted Part 703b is arranged at the one end of traction braking component 702 away from traction conveying member 701c, the first traction regulating part 703a during use Can be to shaft and rolled-up stock 702a is adjusted, under interaction force, effectively increasing system with the second traction regulating part 703b Dynamic effect, meets use demand.

Preferably, drawing connector 701b includes traction fixed body 701b-1 and draws to transfer body 701b-2, it is preferred that leads Draw fixed body 701b-1 and traction is transferred body 701b-2 and is an integral structure, can be made up of injection, traction fixed body 701b-1 One end that body 701b-2 is transferred in traction is arranged on, specifically, traction conveying member 701c is fixed on traction fixed body 701b-1, two Person can be by being welded and fixed, and the other end for drawing fixed body 701b-1 can be connected with traction drive part 701a by shaft coupling； And draw and the first traction groove 701b-3, the second traction groove 701b-4, traction external screw thread 701b- are provided with connector 701b 5 and traction resistance disk 701b-6, first draws the traction groove 701b-4 of groove 701b-3 and second along traction connector 701b horizontal directions are symmetrically opened on traction connector 701b, and traction external screw thread 701b-5 is arranged on traction and transfers body 701b-2 Close to traction fixed body 701b-1 one end, and the other end for drawing transfer body 701b-2 is fixed with traction and resists disk 701b-6, Adjust and provide the foundation for ease of the first traction regulating part 703a, in use, body 701b-2 is transferred in traction resists circle close to traction One end insertion of disk 701b-6 is arranged on the interior of traction press body 702a.

Preferably, the first traction regulating part 703a includes traction wear body 703a-10, traction fastener 703a-20 and the One traction brute spring 703a-30.Traction wear body 703a-10 is internally provided with the first traction convex block 703a-11 and second and leads Draw convex block 703a-12, the first traction convex block 703a-11 and the second traction convex block 703a-12 is fastened on traction connector respectively In the first traction groove 701b-3 of 701b and the second traction groove 701b-4, the first traction convex block 703a-11 can be led first Draw in groove 701b-3 and slide, while the second traction convex block 703a-12 can be slided inside, that is, drawing wear body 703a-10 can be Move along a straight line on traction connector 701b, promoted for traction wear body 703a-10 into traction press body 702a and provide base Plinth, preferably, the first traction convex block 703a-11, the second traction convex block 703a-12, the first traction groove 701b-3 and second are led The number for drawing groove 701b-4 is all higher than being equal to 2, and the first traction convex block 703a-11 and second draws convex block 703a-12's Number and position are equal with the first traction groove 701b-3 and second traction 701b-4 number of groove and position, a in figure Number only refers to.

Further, the first traction regulating part 703a further includes the traction brute springs of traction fastener 703a-20 and first Internal thread and the traction of 703a-30, traction fastener 703a-20 transfer the traction external screw thread 701b-5 on body 701b-2 and screw company Connect, and the first traction brute spring 703a-30 is wrapped in the outside that the body 701b-2 other ends are transferred in traction, i.e., close to disk 701b-6 one end, in use, wear body 703a-10 is drawn under the action of fastener 703a-20 is drawn, to disk 701b-6 side To propulsion, with this at the same time, the first traction brute spring 703a-30 is compressed, and due to bounce, when braking can prevent from drawing wear-resisting Body 703a-10 is moved, and satisfaction uses needs, preferably, the diameter of disk 701b-6 is more than the outer of traction wear body 703a-10 Footpath, and the diameter of the first traction brute spring 703a-30 designs between the outer internal diameter of traction wear body 703a-10 Rationally.

In the present embodiment, traction braking component 702 further includes traction installed part 702b.Draw installed part 702b and traction Press body 702a is by the draw bolt 703b-1 connections of the second traction regulating part 703b, and outside the screw rod of draw bolt 703b-1 The second traction brute spring 703b-2 of setting is enclosed between traction installed part 702b and traction press body 702a, in use, Staff can unscrew draw bolt 703b-1, that is, the second traction brute spring 703b-2 compressed will discharge elastic force, Due to active force, will be promoted outside traction press body 702a phases, so as to fulfill traction press body 702a and traction wear body 703a-10 To adjusting, press body 702a is drawn when coalcutter is braked will be more with traction wear body 703a-10 contact surfaces, interact Under power, the effect of braking is effectively increased, so as to meet that coalcutter frequently brakes use demand, and is adjusted simply, conveniently, section Make an appointment and labour, and then effectively improve the efficiency of coal mining.

Further, draw and draw bolt hole 702b-1 and traction mounting hole 702b-2 are provided with installed part 702b, lead Draw bolt hole 702b-1 be used for draw bolt 703b-1 screw rod penetrability pass through, and draw mounting hole 702b-2 be used for fixation lead Draw installed part 702b on coalcutter, so as to secure traction braking component 702 indirectly to coalcutter, preferably, traction The number of bolt hole 702b-1 and traction mounting hole 702b-2 are more than or equal to 4, and set at equal intervals, and number is only made to join in figure Examine.

It is the 7th embodiment provided by the invention with reference to shown in Figure 27~28, which is different from the 6th implementation Example be：For one embodiment for being freely lifted cover board arrangement of coal mining mechanism provided by the invention, the main body bag of the embodiment Frame R and lifting structure 600 are included, wherein, frame Zone R is divided into fixed frame R-1, liftable frame R-2 and movable frame R-3, Lifting structure 600 is fixed in control unit 300, it includes lifter rack 601 and latch part 602, and lifter rack 601 is arch Shape, its one end are connected to a fixed with liftable frame R-2, and the one side equipped with latch is meshed with latch part 602, latch part 602 are fixed on movable frame R-3, and movable frame R-3 is mounted on fixed frame R-1, lifter rack 601 and latch part 602 Coordinate, realize that liftable frame R-2 is lifted, realize the function of adjusting lifting frame R-2.

Preferably, latch part 602 includes engaging gear 602c, worm and gear 602a and actuator 602b, gear is engaged 602c is engaged on movable frame R-3, and is meshed with the worm gear of worm and gear 602a, the worm screw of worm and gear 602a and driving Part 602b is meshed.When actuator 602b driving worm and gear 602a worm screw rotations, worm screw drives the snail of worm and gear 602a Wheel rotates, and then worm gear drives the engaging gear 602c rotations being engaged with, and lifter rack 601 is adjusted with engaging gear 602c realizations Save the function of liftable frame R-2 liftings.It should be noted that it is using the meaning of worm and gear in the present embodiment, in reality After existing windowing function, the angle of windowing is fixed up, realizes self-locking, lifter rack 601 will not be allowed on engaging gear 602c Also stirring back and forth.

In the present embodiment, actuator 602b realizes for driven by power or electromagnetic drive either type, preferably electricity Machine drives, and motor is connected with the worm screw of worm and gear 602a, and drives worm screw to rotate.

It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to preferable The present invention is described in detail in embodiment, it will be understood by those of ordinary skill in the art that, can be to the technology of the present invention Scheme technical scheme is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention, it should all cover in this hair Among bright right.

Claims (8)

1. one kind can be freely lifted the reinforced coalcutter of cover board, including frame (R), the frame (R) divides into fixed frame (R- 1), liftable frame (R-2) and movable frame (R-3), it is characterised in that：Further include,

Cut unit (100), including the first cutting units (U) and the second cutting units (V), both are symmetrical structure, and are set respectively In two side positions of the alternating current traction coalcutter；

Traction unit (200), couples with the cut unit (100), corresponding to first cutting units (101) and the second cut Portion (102) has the first tractive unit (201) and the second tractive unit (202) respectively；

Control unit (300), is attached, the connector (L) includes with the traction unit (200) by connector (L) First counterpart (L-1) and the second counterpart (L-2), and both are engaged；And

Lifting structure (600), is arranged on the upper of described control unit (300).

2. according to claim 1 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：Described control unit (300) middle casing (Q-3) and the electric cabinet (301) of the middle casing (Q-3) inside, the middle casing (Q- are included 3) inner side end of the both sides outer end face respectively with first tractive unit (201) and the second tractive unit (202) is docked.

3. according to claim 2 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：First tractive unit (201) and the inner side end of the second tractive unit (202) is both provided with the first counterpart (L-1), the middle casing (Q-3) it is outer End face is both provided with the second counterpart (L-2) of occlusion corresponding with first counterpart (L-1).

4. according to claim 3 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：First counterpart (L-1) with the second counterpart (L-2) is engaged be attached after, centre stay seam gap be inserted into fixing piece (G) with realize Buckle is fixed；

The traction unit (200) is connected by the connector (L) with control unit (300) and then is carried out using bolt Reinforce.

5. according to claim 4 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：The lifting structure (600) lifter rack (601) and latch part (602) are included, the lifter rack (601) is arch, and the one side equipped with latch It is meshed with the latch part (602), the latch part (602) is fixed on the movable frame (R-3), the movable frame (R-3) it is mounted on the fixed frame (R-1), the lifter rack (601) is realized by the rotation of the latch part (602) Lifting.

6. according to claim 5 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：The latch part (602) engaging gear (602c), worm and gear (602a) and actuator (602b) are included, the engaging gear (602c) is engaged in On the movable frame (R-3), and it is meshed with the worm gear of the worm and gear (602a), the snail of the worm and gear (602a) Bar is meshed with the actuator (602b).

7. according to claim 6 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：The actuator (602b) drives the worm screw rotation of the worm and gear (602a), so that drive the worm gear of the worm and gear (602a) to rotate, Worm gear drives engaging gear (602c) rotation, and the lifter rack (601) engages gear (602c) realization adjusting with described The lifting of liftable frame (R-2).

8. according to claim 7 be freely lifted the reinforced coalcutter of cover board, it is characterised in that：The actuator (602b) realizes for motor driving, electromagnetic drive either type.