CN208486874U - A kind of multi output formula traveling mechanism of coal mining machine of adjustable height - Google Patents

Abstract

The utility model relates to a kind of multi output formula traveling mechanism of coal mining machine of adjustable height, belong to pit mining equipment field, it is connect including cabinet, splined shaft, driving gear, traveling wheel A, traveling wheel B, advancing jack and pin row, splined shaft with driving gear, splined shaft is input shaft；It is fixedly installed with idler shaft on cabinet, bearing B, fixed suit idle pulley on the outside of bearing B are installed on idler shaft, idle pulley is engaged and connect with driving gear and transmission gear A, transmission gear B；Drive shaft A and drive shaft B are movably installed on cabinet, its both ends is set with bearing A, bearing A outer cover is equipped with sliding assembly, transmission gear A and transmission gear B is fixedly mounted respectively on the outside of drive shaft A and drive shaft B, axial pull rod is installed, traveling wheel A is contacted with the engagement of the pin tooth of pin row between traveling wheel and transmission gear.The utility model can improve the problem of poor coalcutter mobility, traveling wheel serious wear, frequent shutdown maintenance, reduce the risk of roller cutting top beam.

Description

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height

Technical field

The utility model relates to a kind of multi output formula traveling mechanism of coal mining machine of adjustable height, belong to pit mining equipment technology Field.

Background technique

Key equipment of the flitting as Pu Cai and fully-mechanized mining working, working performance efficiently open safety of coal mines It adopts with highly important influence.Trailer system is the important component of coalcutter, it is adopted when not only bearing mining operations The movement of coal machine, and the size of its hauling speed, situation of change all have working performance, the coal mining efficiency of complete machine Important meaning.With the appearance of high-productivity faces and greatly improving for coal machine power, while in order to guarantee to exploit work Make the safe and reliable of face, the side of chain haulage has been gradually replaced using the chainless traction system of the engagement type walking mechanism of wheel track Formula.The row such as single output type walking mechanism piston shoes excessive wear traditional in high-power coal cutter, the improper broken teeth of traveling wheel at present It walks mechanism engagement Problem of Failure to become increasingly conspicuous, has become and restrict an important factor for safety of coal mines efficiently produces.In cutting drum And rocker arm is swung when being difficult to adapt to coal seam thickness completely, especially under roof and floor complicated seam geological conditions jumpy, Traditional coalcutter mobility is poor, fuselage posture adjustment difficulty drawback gradually shows, this is resulted in, and seam mining is insufficient or roller is cut The risk for cutting top beam increases.

Chinese patent document (application number 201710873632.2) discloses a kind of single-row two-wheel running part of coalcutter, this is specially Sharp traveling wheel directly participates in gear engagement, and this kind of drive meshing quality itself is not high, its actual speed in coal machine operation All there is biggish limitation in terms of control, polling power controlling, noise control.

Chinese patent document (application number 201710873619.7) discloses a kind of Walk Part of Shearer, the patent innovation The double traction drive coalcutters of use, have certain effect to walking mechanism intensity is improved, but in coalcutter mobility, fuselage tune It is not obviously improved in terms of appearance, the adaptability of complex geological condition.

Chinese patent document (application number 201310397733.9) discloses a kind of adjustable tractive unit of coal cutter, the patent side Case drives original walking mechanism to swing realization coal machine posture adjustment by the way that oil cylinder is flexible, does not have on walking engaging mechanism and height-regulating mechanism Further structure innovation.And the height-regulating mode needs to drive entire cabinet and all gearings, therefore high failure rate, Enforcement difficulty is big.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of multi output formula traveling mechanism of coal mining machine of adjustable height, The problem of poor coalcutter mobility, traveling wheel serious wear, frequent shutdown maintenance can be improved, reduce the wind of roller cutting top beam Danger.

The utility model provides a kind of multi output formula traveling mechanism of coal mining machine of adjustable height, including cabinet, splined shaft, driving Gear, idle pulley, transmission gear A, transmission gear B, traveling wheel A, traveling wheel B, advancing jack, sliding assembly and pin row, it is described Splined shaft first place installs a pair of bearings C and around body pivot, opened up in the middle part of the splined shaft keyway by general flat key C with it is described Gear connection is driven, to guarantee the safe and efficient of power transmitting, the prominent cabinet side of the splined shaft is provided with internal spline, described Power input shaft of the external splines assembly connection of internal spline and planetary gear speed reducing mechanism as walking mechanism；

Idler shaft is fixedly installed on the cabinet, the idler shaft is fixed on the cabinet, same on the idler shaft Axis is equipped with bearing B, the fixed biography for being set with the idle pulley, the idle pulley and the driving gear and two sides on the outside of the bearing B Moving gear A, transmission gear B engage connection；

It is movably installed on the cabinet in the middle part of drive shaft A and drive shaft B, the drive shaft A and drive shaft B and is equipped with key The both ends of slot and boss, the drive shaft A and drive shaft B are set with bearing A, and the bearing A outer, coaxial fixing sleeve is equipped with cunning Component is moved, the sliding assembly is inlaid in a sliding slot and is flexibly connected with the cabinet, the key of the drive shaft A and drive shaft B Mating be equipped on the outside of general flat key A and general flat key B, the general flat key A and general flat key B is fixedly mounted slot respectively respectively The transmission gear A and transmission gear B, the drive shaft A and drive shaft B are separately installed with the traveling wheel close to coal wall side A and traveling wheel B is equipped with axial pull rod between traveling wheel A and transmission gear A and between traveling wheel B and transmission gear B, row It walks to take turns A to contact with the engagement of the pin tooth of pin row；The external impetus of the utility model is inputted by splined shaft, by drive shaft A, drive shaft B Export simultaneously, two drive shafts under idle pulley driving around respective axle center rotation, under advancing jack traction around idler shaft it is opposite or Person is backwards to revolution.

The splined shaft, idler shaft, drive shaft A and drive shaft B arrange from top to bottom in herringbone, the splined shaft with it is lazy Wheel shaft is in a vertical plane, and the drive shaft A and drive shaft B are in a horizontal plane.

Preferably, axle end baffle plate, the idler shaft both ends of the surface and the axle end baffle plate screw thread are provided on the outside of the idle pulley Connection, the axle end baffle plate are bolted with cabinet, fix idler shaft opposite case, guarantee its circumferential direction and axial lock Tightly.

Preferably, circumferentially uniformly distributed through-hole is offered on the boss；Guiding is provided on the outside of the sliding assembly to slide Boots, the outside of sliding assembly and the otic placode through-hole of guide slip shoe are hinged, and sliding assembly is inlaid in sliding slot and the cabinet activity Connection.

Preferably, it is symmetrically opened up on the outside of the cabinet there are four sliding slot is elapsed, section is in bending kidney-shaped notch, both ends For half circle, middle part is the circular arc of two sections of different-diameters, and center line is using idle pulley axle center as the center of circle between two sections of circular arcs, with lazy Wheel, transmission gear A or with idle pulley, transmission gear B standard installation center away from for radius, guarantee coalcutter during height-regulating Still there is reference center distance between transmission gear A or transmission gear B, be unlikely to influence power transmission.

Preferably, the passage chute wall, which is inlayed, is equipped with rolling element, and the passage sliding slot passes through rolling element and sliding Component is in rolling contact, and to reduce the frictional resistance and component wear in moving process, guarantees mobile smoothness to reduce displacement Collision between process middle gear.

It is further preferred that the sliding assembly is perpendicular to the oiling for being equipped with circular hole ear mount, taper at axial outer end face Hole, the sliding assembly side are provided with the cyclic annular card slot with the indent of the rolling mates of the passage sliding slot, the note Oilhole and cyclic annular card slot connection, can avoid unnecessary tear open from outside directly to oil injecting lubricatings such as internal bearings, rolling elements Dress.

It is further preferred that the advancing jack is four, it is symmetrically disposed on the outside of cabinet and is slided with the passage Slot is correspondingly arranged, and the outer shell and cabinet of the advancing jack are articulated and connected, the interior bar and sliding assembly of the advancing jack Circular hole ear mount by cylindrical pin it is hinged, be installed with split pin in the through-hole of the cylindrical pin.

It is further preferred that the internal spline is rectangle internal spline 8 × 62 × 68 × 12GB/T 114-2001, key teeth is 12, it is connect with the external splines Standard of the planetary gear speed reducing mechanism；

To guarantee that bonding strength reduces weakening to axis intensity as far as possible simultaneously, the general flat key A and general flat key B's Size model number is equal are as follows: key C45 × 180GB/T 1095-2003, general flat key C size model number are as follows: key A50 × 200GB/T 1095-2003。

It is further preferred that cause traveling wheel A and traveling wheel B bending fatigue strength to reduce to avoid root from cutting, it can be appropriate Reduce traveling wheel A and traveling wheel B height of teeth root and use normal shift involute profile, constitutes positive drive with the pin tooth of pin row and engage, So as to improve the bearing capacity of alligator engagement；

The number of teeth of the traveling wheel A and traveling wheel B is preferably all 11, and modulus is preferably 46.8, and the theoretical angle of engagement is preferably 22.5 °, the traveling wheel A and traveling wheel B use CrNi system electroslag melt steel, and the pin row with pitch 147mm is by no sideshake center Away from installation, the end face of the traveling wheel A and traveling wheel B are equipped with the through-hole that circumferentially uniformly distributed 5 have hexagonal countersunk head slot, countersunk head Slot is disposed far from driving gear side.

It is further preferred that the axial direction pull rod includes hexagonal screw rod and nut, the traveling wheel A and transmission gear A it Between hexagonal screw rod pass through the through-hole of transmission gear A, the through-hole of drive shaft A boss and traveling wheel A, nut is installed on traveling wheel A Countersunk head slot in and is threadedly coupled with the hexagonal screw rod, the hexagonal screw rod length is equal to the driving gear outer end face to traveling wheel The distance of A outer end face；

Hexagonal screw rod between the traveling wheel B and transmission gear B pass through transmission gear B, drive shaft B boss through-hole and The through-hole of traveling wheel B, nut are installed in the countersunk head slot of traveling wheel B and are threadedly coupled with the hexagonal screw rod, and the hexagonal screw rod is long Degree is equal to the driving gear outer end face to the distance of traveling wheel B outer end face.Axial pull rod can by drive shaft A, traveling wheel A, Transmission gear A is axially and radially locked to guarantee that three rotates synchronously；Or axial pull rod can be by drive shaft B, walking Wheel B, transmission gear B are axially and radially locked to guarantee that three rotates synchronously.

When the utility model at work, external impetus is inputted by splined shaft and is exported simultaneously by drive shaft A, drive shaft B, can Power to be allocated, the intensity and power requirement of every output shaft are reduced, is provided convenience to design with processing.Multiple rows Monodentate engagement force can be effectively reduced by walking wheel and simultaneously participating in engagement, avoided gear teeth overload from fractureing, greatly reduced walking mechanism Failure rate.It should ensure that the power match and speed sync of two traveling wheels in use simultaneously.Two drive shafts are driven in idle pulley Around respective axle center autobiography under dynamic, around idler shaft in opposite directions or backwards to revolution under advancing jack traction.According to coal seam height and Coalcutter posture adjustment requires the interior bar of controllable jack flexible, and when interior bar is stretched out, two drive shafts realize coalcutter backwards to rotation It increases, when interior bar is shunk, two drive shafts rotate towards each other the reduction for realizing coalcutter, and four passage of same walking mechanism are very heavy Top keeps speed sync, prevents coalcutter fuselage from sharply tilting.

Compared with prior art, the utility model has the following beneficial effects:

1) the same power input shaft of the utility model drives two traveling wheels (i.e. traveling wheel A, traveling wheel B) are synchronous to turn simultaneously It is dynamic, and traveling wheel axle center is adjustable, it can improve that coalcutter mobility is poor, problem of posture adjustment difficulty, can be fitted for different coal When adjustment coalcutter height, the risk of roller cutting top beam is effectively reduced, improves seam mining utilization rate.

2) input shaft of the utility model drives two output shafts simultaneously, power can be allocated, and reduces every The intensity and power requirement of root output shaft, provide convenience to design with processing.

3) traveling wheel A and traveling wheel B uses normal shift flank profil, and multiple traveling wheels simultaneously participate in positive drive engagement, can To effectively reduce monodentate engagement force, avoids maintenance shut-downs caused by traveling wheel serious wear, overload broken teeth frequent, greatly drop The failure rate of low walking mechanism.

Detailed description of the invention

Fig. 1 is the shaft side figure of the multi output formula traveling mechanism of coal mining machine of the adjustable height of the utility model；

Fig. 2 is the main view of the multi output formula traveling mechanism of coal mining machine of the adjustable height of the utility model；

Fig. 3 is the A of Fig. 2 to sectional view；

Fig. 4 is the B of Fig. 2 to sectional view；

Fig. 5 is the C of Fig. 2 to sectional view；

Wherein: 1- cabinet, 2- axle end baffle plate, 3- splined shaft, 4- drive gear, 5- idle pulley, 6- transmission gear B, 7- driving Axis B, 8- axial direction pull rod, 9- traveling wheel B, 10- pin row, 11- pin row, 12- guide slip shoe, 13- advancing jack, 14- split pin, 15- elapses sliding slot, 16- traveling wheel A, 17- drive shaft A, 18- bearing A, 19- idler shaft, 20- sliding assembly, 21- boss, 22- Bearing B, 23- general flat key A, 24- transmission gear A, 25- general flat key B, 26- bearing C, 27- general flat key C.

Specific embodiment:

In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing And specific embodiment is described in detail, but is not limited only to this, and what the utility model did not elaborated, press this field routine skill Art.

Embodiment 1:

As shown in Figs. 1-5, the multi output formula traveling mechanism of coal mining machine of a kind of adjustable height, including cabinet 1, splined shaft 3, driving Gear 4, idle pulley 5, transmission gear A 24, transmission gear B 6, traveling wheel A 16, traveling wheel B 7, advancing jack 13, sliding group Part 15 and pin row 10, the first installation a pair of bearings C 26 of splined shaft 3 are simultaneously rotated around cabinet 1, are opened up keyway in the middle part of splined shaft 3 and pass through General flat key C 27 is connect with driving gear 4, to guarantee the safe and efficient of power transmitting, prominent 1 side of the cabinet setting of splined shaft 3 There is an internal spline, power input shaft of the external splines assembly connection of internal spline and planetary gear speed reducing mechanism as walking mechanism；

Idler shaft 19 is fixedly installed on cabinet 1, idler shaft 19 is fixed on cabinet 1, is coaxially installed on idler shaft 19 Fixed suit idle pulley 5, idle pulley 5 and driving gear 4 and transmission gear A24, the driving cog of two sides on the outside of bearing B 22, bearing B 22 Wheel B 6 engages connection；

It is movably installed with drive shaft A 17 and drive shaft B 7 on cabinet 1, is all provided in the middle part of drive shaft A 17 and drive shaft B 7 There are a keyway and boss 21, the both ends of drive shaft A 17 and drive shaft B 7 are set with bearing A 18, and 18 outer, coaxial of bearing A is fixed It is set with sliding assembly 20, sliding assembly 20 is inlaid in a sliding slot and is flexibly connected with cabinet 1, drive shaft A 17 and drive shaft B 7 keyway is mating respectively to be equipped with general flat key A 23 and general flat key B 25, outside general flat key A 23 and general flat key B 25 Transmission gear A 24 and transmission gear B 6 is fixedly mounted in side respectively, and drive shaft A 17 and drive shaft B 7 distinguish close to coal wall side Traveling wheel A 16 and traveling wheel B 9 are installed, between traveling wheel A 16 and transmission gear A 24 and traveling wheel B 7 and transmission Axial pull rod 8 is installed, traveling wheel A 16 is contacted with the engagement of the pin tooth 11 of pin row 10 between gear B 6；Outside the utility model Portion's power is inputted by splined shaft 3, is exported simultaneously by drive shaft A 17, drive shaft B 7, and two drive shafts are under the driving of idle pulley 5 around each From axle center rotation, around idler shaft in opposite directions or backwards to revolution under the traction of advancing jack 13.

Splined shaft 3, idler shaft 19, drive shaft A 17 and drive shaft B 7 arrange from top to bottom in herringbone, splined shaft 3 with Idler shaft 19 is in a vertical plane, and drive shaft A 17 and drive shaft B 7 are in a horizontal plane.

Embodiment 2:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 1, the difference is that idle pulley 5 Outside is provided with axle end baffle plate 2, and 19 both ends of the surface of idler shaft are threadedly coupled with axle end baffle plate 2, and axle end baffle plate 2 and cabinet 1 pass through spiral shell Bolt is fixed, and is kept 19 opposite case 1 of idler shaft fixed, is guaranteed its circumferential direction and axial locking.

Embodiment 3:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 1, the difference is that boss Circumferentially uniformly distributed through-hole is offered on 21；The outside of sliding assembly 20 is provided with guide slip shoe 12, the outside of sliding assembly 20 with The otic placode through-hole of guide slip shoe 12 is hinged, and sliding assembly 20 is inlaid in sliding slot and is flexibly connected with cabinet 1.

Embodiment 4:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 1, the difference is that cabinet 1 Outside is symmetrically opened up there are four sliding slot 15 is elapsed, and section is in bending kidney-shaped notch, and both ends are half circle, middle part two The circular arc of section different-diameter, between two sections of circular arcs center line using idle pulley axle center as the center of circle, with idle pulley 5, transmission gear A 24 or With idle pulley 5, transmission gear B 6 standard installation center away from for radius, guarantee coalcutter during height-regulating with transmission gear A Still there is reference center distance between 24 or transmission gear B 6, be unlikely to influence power transmission.

Embodiment 5:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 4, the difference is that passage 15 side wall of sliding slot, which is inlayed, is equipped with rolling element, and passage sliding slot 15 is in rolling contact by rolling element with sliding assembly 20, is moved with reducing Frictional resistance and component wear during dynamic, guarantee mobile smoothness to reduce the collision between displacement process middle gear.

Embodiment 6:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 5, the difference is that sliding Perpendicular to the oil filler point for being equipped with circular hole ear mount, taper at axial outer end face, 20 side of sliding assembly is provided with and pushes away component 20 Move the cyclic annular card slot of the indent of the rolling mates of sliding slot 15, oil filler point and cyclic annular card slot connection, can from outside directly to The oil injecting lubricatings such as internal bearings, rolling element avoid unnecessary dismounting.

Embodiment 7:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 6, the difference is that passage Jack 13 is four, is symmetrically disposed on 1 outside of cabinet and is correspondingly arranged with passage sliding slot 15, the outer shell of advancing jack 13 With the articulated connection of cabinet 1, the interior bar of advancing jack 13 and the circular hole ear mount of sliding assembly 20 are hinged by cylindrical pin, cylinder Split pin 14 is installed in the through-hole of pin shaft.

Embodiment 8:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 1, the difference is that interior flower Key is rectangle internal spline 8 × 62 × 68 × 12GB/T 114-2001, key teeth 12, the external splines structure with planetary gear speed reducing mechanism Assembly connection；

To guarantee bonding strength weakening of the reduction to axis intensity as far as possible simultaneously, general flat key A23 and general flat key B 25 Size model number it is equal are as follows: key 27 size model number of C45 × 180GB/T 1095-2003, general flat key C are as follows: key A50 × 200GB/T 1095-2003。

Embodiment 9:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 1, the difference is that keep away Exempt from root and cut that traveling wheel A 16 and 9 bending fatigue strength of traveling wheel B is caused to reduce, can suitably reduce traveling wheel A 16 and walking It takes turns 9 height of teeth root of B and uses normal shift involute profile, constitute positive drive with the pin tooth 11 of pin row 10 and engage, so as to improve alligator The bearing capacity of engagement；

The number of teeth of traveling wheel A 16 and traveling wheel B 9 are preferably all 11, and modulus is preferably 46.8, and the theoretical angle of engagement is preferably 22.5 °, traveling wheel A 16 and traveling wheel B 9 use CrNi system electroslag melt steel, and the pin row 10 with pitch 147mm is by no sideshake For the heart away from installation, the end face of traveling wheel A 16 and traveling wheel B 9 are equipped with the through-hole that circumferentially uniformly distributed 5 have hexagonal countersunk head slot, Countersunk head slot is disposed far from driving 4 side of gear.

Embodiment 10:

A kind of multi output formula traveling mechanism of coal mining machine of adjustable height, structure is as described in Example 1, the difference is that axial Pull rod 8 includes hexagonal screw rod and nut, and the hexagonal screw rod between traveling wheel A 16 and transmission gear A 24 passes through transmission gear A 24, the through-hole of the through-hole of 17 boss 21 of drive shaft A and traveling wheel A 16, nut are installed in the countersunk head slot of traveling wheel A 16 simultaneously Be threadedly coupled with the hexagonal screw rod, the hexagonal screw rod length be equal to driving 4 outer end face of gear to traveling wheel A 16 outer end face away from From；

Hexagonal screw rod between traveling wheel B 9 and transmission gear B 6 passes through transmission gear B 6,7 boss 21 of drive shaft B The through-hole of through-hole and traveling wheel B 9, nut are installed in the countersunk head slot of traveling wheel B 9 and are threadedly coupled with the hexagonal screw rod, should Hexagonal screw rod length is equal to 9 driving 4 outer end faces of gear to the distance of 9 outer end face of traveling wheel B.Axial pull rod 8 can be by drive shaft A 17, traveling wheel A 16, transmission gear A 24 are axially and radially locked to guarantee that three rotates synchronously；Or axial pull rod 8 can axially and radially be locked drive shaft B 7, traveling wheel B 9, transmission gear B 6 to guarantee that three rotates synchronously.

The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement It also should be regarded as the protection scope of the utility model with retouching.

Claims (10)

1. a kind of multi output formula traveling mechanism of coal mining machine of adjustable height, which is characterized in that including cabinet, splined shaft, driving gear, Idle pulley, transmission gear A, transmission gear B, traveling wheel A, traveling wheel B, advancing jack, sliding assembly and pin row, the splined shaft First place, which installs a pair of bearings C and opens up keyway in the middle part of body pivot, the splined shaft, passes through general flat key C and the sliding tooth Wheel connection, the prominent cabinet side of the splined shaft are provided with internal spline, the external splines dress of the internal spline and planetary gear speed reducing mechanism With the power input shaft for being connected to walking mechanism；

Idler shaft is fixedly installed on the cabinet, the idler shaft is fixed on the cabinet, is coaxially pacified on the idler shaft It is fixed on the outside of the bearing B to be set with the idle pulley, the idle pulley and the driving gear and the driving cog of two sides equipped with bearing B Wheel A, transmission gear B engage connection；

Be movably installed on the cabinet in the middle part of drive shaft A and drive shaft B, the drive shaft A and drive shaft B be equipped with keyway and The both ends of boss, the drive shaft A and drive shaft B are set with bearing A, and the bearing A outer, coaxial fixing sleeve is equipped with sliding group Part, the sliding assembly are inlaid in a sliding slot and are flexibly connected with the cabinet, the keyway point of the drive shaft A and drive shaft B It is not mating to be equipped on the outside of general flat key A and general flat key B, the general flat key A and general flat key B described in fixed installation respectively Transmission gear A and transmission gear B, the drive shaft A and drive shaft B close to coal wall side be separately installed with the traveling wheel A and Traveling wheel B is equipped with axial pull rod between traveling wheel A and transmission gear A and between traveling wheel B and transmission gear B, walking Wheel A is contacted with the engagement of the pin tooth of pin row；

The splined shaft, idler shaft, drive shaft A and drive shaft B are in that herringbone is arranged from top to bottom, the splined shaft and idler shaft In a vertical plane, the drive shaft A and drive shaft B are in a horizontal plane.

2. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 1, which is characterized in that outside the idle pulley Side is provided with axle end baffle plate, and the idler shaft both ends of the surface are threadedly coupled with the axle end baffle plate, and the axle end baffle plate and cabinet are logical Bolt is crossed to fix.

3. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 1, which is characterized in that on the boss Offer circumferentially uniformly distributed through-hole；Guide slip shoe is provided on the outside of the sliding assembly, the outside of sliding assembly and guiding are slided The otic placode through-hole of boots is hinged, and sliding assembly is inlaid in sliding slot and is flexibly connected with the cabinet.

4. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 1, which is characterized in that outside the cabinet Side symmetrically open up there are four elapse sliding slot, section be in bending kidney-shaped notch, both ends be half circle, middle part for two sections not With the circular arc of diameter, center line with idle pulley, transmission gear A or with idle pulley, is passed using idle pulley axle center as the center of circle between two sections of circular arcs The standard installation center of moving gear B is away from for radius.

5. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 4, which is characterized in that the passage is slided Groove sidewall, which is inlayed, is equipped with rolling element, and the passage sliding slot is in rolling contact by rolling element and sliding assembly.

6. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 5, which is characterized in that the sliding group Perpendicular to circular hole ear mount, taper oil filler point is equipped at axial outer end face, the sliding assembly side is provided with to push away part with described Move the cyclic annular card slot of the indent of the rolling mates of sliding slot, the oil filler point and cyclic annular card slot connection.

7. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 6, which is characterized in that the passage thousand Jin top is four, is symmetrically disposed on the outside of cabinet and is correspondingly arranged with the passage sliding slot, the outer shell of the advancing jack It is articulated and connected with cabinet, the interior bar of the advancing jack and the circular hole ear mount of sliding assembly are hinged by cylindrical pin, described Split pin is installed in the through-hole of cylindrical pin.

8. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 1, which is characterized in that the internal spline For rectangle internal spline 8 × 62 × 68 × 12GB/T 114-2001, key teeth 12, the external splines knot with the planetary gear speed reducing mechanism Structure assembly connection；

The size model number of the general flat key A and general flat key B are as follows: key C45 × 180GB/T 1095-2003, general flat key C ruler Very little model are as follows: key A50 × 200GB/T 1095-2003.

9. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 1, which is characterized in that the traveling wheel A and traveling wheel B uses normal shift involute profile, constitutes positive drive with the pin tooth of pin row and engages；

The number of teeth of the traveling wheel A and traveling wheel B is 11, modulus 46.8, and the theoretical angle of engagement is 22.5 °, the traveling wheel A CrNi system electroslag melt steel is used with traveling wheel B, with the pin row of pitch 147mm by no sideshake center away from installation, the traveling wheel A It is equipped with the through-hole that circumferentially uniformly distributed 5 have hexagonal countersunk head slot with the end face of traveling wheel B, countersunk head slot is disposed far from the driving Gear side.

10. the multi output formula traveling mechanism of coal mining machine of adjustable height according to claim 1, which is characterized in that the axial direction Pull rod includes hexagonal screw rod and nut, and the hexagonal screw rod between the traveling wheel A and transmission gear A passes through transmission gear A, driving The through-hole of axis A boss and the through-hole of traveling wheel A, nut are installed in the countersunk head slot of traveling wheel A and connect with the hexagonal screw rod screw thread It connects, which is equal to the driving gear outer end face to the distance of traveling wheel A outer end face；

Hexagonal screw rod between the traveling wheel B and transmission gear B passes through transmission gear B, the through-hole of drive shaft B boss and walking The through-hole of B is taken turns, nut is installed in the countersunk head slot of traveling wheel B and is threadedly coupled with the hexagonal screw rod, the hexagonal screw rod length etc. In the distance of the driving gear outer end face to traveling wheel B outer end face.