CN205417831U - Track assembly behind triangle - Google Patents

Abstract

The utility model discloses a track assembly behind triangle, take -up pulley pass through rubber track and drive wheel and free wheel is connected, and the interior gear mesh of external tooth on the drive wheel periphery and rubber track internal surface, is equipped with the steel baffle in the face subsides of the both ends of drive wheel, and the stay bolt passes pilot hole and the via hole on the external tooth on two steel baffles, is in the same place two steel baffles with drive wheel fixed connection, during the drive wheel is worn to locate in the inner of driving spindle, the inner tip welding ring flange of this driving spindle, pinch -off blades suit on driving spindle, bolt and drive wheel and the ring flange fixed connection of pinch -off blades through press circumference evenly distributed. The utility model discloses effectively improve the rigidity and the bearing capacity of macromolecular material drive wheel, guaranteed macromolecular material drive wheel inner material's stability, the material has been saved again in high rigidity, the high bearing capacity requirement of the whole welded structure's of steel driving spindle subassembly ability fully provided low -speed overload triangle track, has reduced manufacturing cost.

Description

Track rail assembly after a kind of triangle

Technical field

This utility model relates to a kind of photovoltaic cleaning systems, particularly to track rail assembly after the triangle of large-scale ground photovoltaic plant cleaning systems.

Background technology

Photovoltaic module automatization cleaning equipment is that a photovoltaic module with large-scale ground photovoltaic plant cleans the equipment as task, this equipment is with light truck as carrier, equipment components is incorporated on light truck chassis, during equipment work, light truck needs the speed per hour low cruise with not higher than 1.5km/h, and this equipment mainly runs in field, area, Desert of Gobi, northwest.

Chinese patent ZL201520323614.3 is track rail assembly after disclosing a kind of large-scale ground photovoltaic plant cleaning systems triangle on October 7th, 2015, is made up of rubber belt track, driving wheel, free wheel, regulating wheel, support bracket, transfer panel, swing arm, positive stop, rustless steel protective plate and tensioning frame etc..After above-mentioned triangle, track rail assembly changes the outfit the trailing wheel of light truck, although has the features such as heavy duty, low speed, stationarity and adaptability, but still has the disadvantage that

1, drive wheel spindle assemblies provides power for whole Athey wheel assembly, during the motion of Athey wheel assembly, driving wheel will bear great circumference tangential force, the most whole vehicle-mounted chassis is when turning, the drive shaft of Athey wheel assembly, in addition to bearing the gross mass on vehicle-mounted chassis, is also subjected to the biggest axial force brought when turning.The rigidity of existing structure driving wheel and bearing capacity are difficult to meet use requirement.

2, the vitals on track rail assembly after free wheel assembly is triangle, free wheel assembly amplitude of fluctuation only about ± 15 °, speed is low, therefore the highest to lubricating requirement, it is only necessary to smear enough greases during assembling on swinging-driven spindle.But during actually used, because using environment relatively severe, free wheel assembly swinging-driven spindle may locking, cause the free afunction of free wheel assembly.

3, support bracket structure is complex, makes low precision, and the positions and dimensions precision of each building block is difficult to ensure, does not meets the requirement of uniform production.

Utility model content

Technical problem to be solved in the utility model be to provide a kind of can be effectively improved bearing capacity triangle after track rail assembly.

The technical solution of the utility model is as follows: track rail assembly after a kind of triangle, it is rotatably mounted driving wheel in the upper end of support bracket, the bottom of support bracket is provided with former and later two free trains, each free train is made up of the symmetrically arranged free wheel in two groups, left and right, often the free wheel of group is divided into former and later two, two regulating wheels in left and right it are provided with in the front end of support bracket, regulating wheel is connected with driving wheel and free wheel by rubber belt track, and the external tooth on drive wheel circumferences face is meshed with the internal tooth of rubber belt track inner surface, it is characterized in that: have via at the middle part of each external tooth of driving wheel, the both ends of the surface of described driving wheel are pasted with the steel baffle plate of annular, stay bolt is through the pilot hole on two pieces of steel baffle plates and the via on external tooth, two pieces of steel baffle plates and driving wheel are fixed together；Both ends of the surface at driving wheel offer the first groove and the second groove respectively, the inner of drive shaft is arranged in driving wheel, the end welding flange that this drive shaft is inner, the bottom land laminating of ring flange and the first groove, and on ring flange, weld locating ring, bottom land at described second groove is pasted with clamping plate, and this clamping plate is set in drive shaft, and clamping plate is connected by the most equally distributed bolt is fixing with driving wheel and ring flange.

Using above technical scheme, the crawler belt internal tooth owing to engaging with driving wheel external tooth is rubber, and for ensureing that engaged transmission will not damage rubber belt track internal tooth, driving wheel must make of macromolecular material, and macromolecular material intensity and rigidity do not reach again heavy duty requirement.Therefore, there is steel baffle plate driving wheel both sides；Connect with stay bolt equally distributed on circumference and use nut check between driving wheel both sides steel baffle plate and external tooth, so just connect into a rigid body between both sides steel baffle plate, in the driving wheel made by macromolecular material is wrapped in, it is effectively increased rigidity and the bearing capacity of driving wheel, it is ensured that the stability of macromolecular material driving wheel internal material.

Drive shaft, ring flange and locating ring composition drive shaft assembly, use round steel, steel plate, seamless steel pipe double-deck full weld after roughing, the most overall quenched rear polish forms, this combinative structure can meet the high rigidity of drive shaft assembly, the requirement of high bearing capacity, material can be saved again, reduce production cost.Drive shaft assembly is connected with vehicle-mounted chassis rear axle hub by locating ring and ring flange, vehicle-mounted chassis rear axle power will be delivered to driving wheel by drive shaft, passed to rubber belt track by driving wheel external tooth again, the most above-mentioned drive shaft modular construction meet be connected good rigidly between its with driving wheel, requirement that reliability is high；The ring flange of drive shaft assembly has been bolted with steel plate into a good Spatial Rigid body, can improve the bearing capacity of drive shaft simultaneously.

Described support bracket includes longeron, oscillating spindle, crossbeam, bearing chamber and inclined strut beam, described longeron, crossbeam and inclined strut beam are rectangular tube, before and after longeron, two ends are the most transversely equipped with oscillating spindle, it is formed with annular boss on the axle body of oscillating spindle, this annular boss reclines with the side of longeron, and oscillating spindle is fixed with longitudinal beam welding；Before and after longeron end face, two ends arrange the crossbeam being parallel to each other, and the bottom of crossbeam is connected together by the first draw-in groove cooperated with the top of longeron, and crossbeam is fixed with longitudinal beam welding；It is arranged over bearing chamber in the middle part of described longeron, drive shaft is rotatably connected with bearing chamber, between bearing chamber and two crossbeams, inclined strut beam is set, the lower end of described inclined strut beam is provided with the bayonet socket of square, inclined strut beam is by bayonet socket and crossbeam clamping, and by being welded and fixed, the end face of described crossbeam is provided with the groove that two bayonet sockets to inclined strut beam position, and this groove is the shallow slot front and back extended；Symmetrical circular arc binding face it is provided with in the upper end of inclined strut beam, former and later two second draw-in grooves are formed between the circular arc binding face of left and right, the bottom land laminating of the locating slot being correspondingly arranged on two circular arc binding faces of inclined strut beam upper end and bearing chamber, and the part between on bearing chamber two locating slots is snapped in by the second draw-in groove, inclined strut beam is welded and fixed with bearing chamber.

Longeron, crossbeam and inclined strut beam use rectangular tube, and structural strength is good, and selection is convenient, low cost.Oscillating spindle is welded after being positioned on longeron by the annular boss on axle body again, it is possible to ensure that oscillating spindle two ends length is symmetrical.Between longeron and crossbeam, the first draw-in groove by cooperating positions, positioned by bayonet socket and groove between crossbeam and inclined strut beam, and positioned by locating slot and the second draw-in groove between inclined strut beam and bearing chamber, coordinate the use of weld jig, ensure that the welding precision of whole support, meet the requirement of uniform production.

In order to promote structural strength, preventing rectangular tube inwall generation corrosion, the two ends, left and right of described crossbeam are sealed by the first sealing plate, and this first sealing plate is fixed with beam welding；Before and after described longeron, two ends are sealed by the second sealing plate, and this second sealing plate is fixed with longitudinal beam welding.

The outer end of described drive shaft is stretched out outside driving wheel, and side by side and the angular contact ball bearing of back-to-back setting supports mutually with bearing chamber by two in the outer end of drive shaft；Inner angular contact ball bearing by the step surface axial limiting in drive shaft and bearing chamber, the angular contact ball bearing of outer end by the step surface in drive shaft and locking back-up ring axial limiting, described locking back-up ring by nut check in drive shaft.Back-to-back layout pair of horns contact ball bearing in drive shaft, selects the wide-angle angular contact ball bearing of α=40 °, it is ensured that time turning in vehicle-mounted chassis, Athey wheel assembly drive shaft bears bigger axial force.Above structure angle contact ball bearing location is reliable, and axial float will not occur；Drive shaft loading characteristic is as follows: two back-to-back layouts of bearing, axial force by inboard bearing inner ring be delivered to inboard bearing outer ring → by inboard bearing outer ring be delivered to bearing chamber positioning step → by positioning step be delivered to outboard bearing outer ring → by outboard bearing outer ring be delivered to outboard bearing inner ring → by outboard bearing inner ring through locking back-up ring be delivered to the second round nut.

In order to simplify structure, facilitate processing and fabricating and assembling, guarantee that outside moisture, dust can not enter bearing chamber, described bearing chamber is the straight tube structure of open at both ends, and be made up of seamless steel pipe, the inner port of bearing chamber is sealed by inner end cap, and this inner end cap is set in drive shaft, the external port of bearing chamber is sealed by outer end cap, and outer end cap and inner end cap are all fixed with bearing chamber by screw.

Being provided with wool felt sealing ring between described inner end cap and drive shaft, this wool felt sealing ring is fixed in the endoporus groove being flush-mounted in inner end cap.Above structure ensures that drive shaft inner seal is reliable, and extraneous water, dust etc. can not enter in drive shaft.

In order to increase the fixing of connection, prevent drive shaft from getting loose, described locking back-up ring is locked in drive shaft by the first round nut being arranged side by side and the second round nut, circlip (18) is set between the first round nut and the second round nut, the internal tooth of this circlip (18) snaps in the draw-in groove in drive shaft, and the external tooth of circlip (18) snaps in the draw-in groove on the first round nut cylindrical；The outer face of described second round nut is compressed by pressing plate, and this pressing plate is fixed with drive shaft by bolt equally distributed on circumference.

Axle sleeve it is set with at the two ends of oscillating spindle, the two ends of this axle sleeve are symmetrical arranged free wheel support, the middle part of described free wheel support is fixed with axle sleeve, oscillating spindle is with being provided with free wheel between the front end of two free wheel supports of one end and between rear end, the wheel shaft of free wheel is connected with the end of free wheel support；At described oscillating spindle centrally along axially offering shoe cream room, this shoe cream room is by through for the both ends of the surface of oscillating spindle, and the port installation fuel filler neck of shoe cream room, offer a point of oil groove vertically in the bottom of described oscillating spindle, point oil groove is connected with shoe cream room by immersion oil hole.

Getting through hole in the middle of whole oscillating spindle, form shoe cream room, shoe cream room space is big；Shoe cream room two ends are respectively arranged with a fuel filler neck, and fuel filler neck exposes, arbitrarily can oiling, oiling is convenient and swift, once irrigates more than 30ml lubricating oil, can oil reserve more.Point oil groove bottom oscillating spindle is connected with shoe cream room by immersion oil hole, makes the lubricating oil in shoe cream room enter a point oil groove by immersion oil hole, it is ensured that the lubricating oil between oscillating spindle and axle sleeve is dispersed, it is ensured that uniformly lubrication and good lubricant effect.Need oil mass to calculate aperture, immersion oil hole by optimal lubrication, it is ensured that lubrication is good, Excess lubricating oil will not be wasted simultaneously, once fill deposited lubricating oil in making shoe cream room and can use the longer time.

The end face of described oscillating spindle mounts cover plate, and this cover plate is fixed with oscillating spindle by many screws the most equally distributed, and the via in the middle part of cover plate avoids the fuel filler neck of corresponding end；Described fuel filler neck and oscillating spindle threaded engagement.It is firm, by good for the port sealing of oscillating spindle that above structure cover plate is installed；Cover plate does not affect assembling and the use of fuel filler neck, and fuel filler neck dismounting is convenient.

The cross section of described point of oil groove is circular arc, and point oil groove is connected with shoe cream room by three or four the immersion oil holes being parallel to each other, and immersion oil hole is perpendicular to shoe cream room and point oil groove, and the distance between two adjacent immersion oil holes is equal, and the aperture in immersion oil hole is 1-1.5mm.Above structure can further ensure that lubricating oil is dispersed, through Theoretical Calculation, once filling can meet demand when equipment works 10 working days 80, and the oiling frequency controls, within one time between overhauls(TBO) of equipment, to comply fully with the requirement of this equipment " regular job maintenance procedure " completely.

The beneficial effects of the utility model are:

1, steel baffle plate is set in driving wheel external tooth both sides, is effectively increased rigidity and the bearing capacity of macromolecular material driving wheel, it is ensured that the stability of macromolecular material driving wheel internal material；The drive shaft assembly of steel integral solder structure can fully meet the high rigidity of low-speed heave-load triangle crawler belt, high bearing capacity requirement, saves again material, reduces production cost；

2, the internal reasonably structure of drive shaft bearing chamber meets the high rigidity of low-speed heave-load triangle crawler belt, high bearing capacity, and sealing effectiveness well, reliable lock, and through large batch of on-the-spot application, this utility model can obtain good effect；

3, support bracket is by the location structure cooperated between component, it is possible to ensureing positions and dimensions precision, make the structural strength of whole support and steadiness good, welding precision is secure, meets the requirement of uniform production；

4, shoe cream room space is big, easy to lubricate, can oil reserve more；Aperture, immersion oil hole is little, is available for lubrication time long；Divide oil groove can ensure lubricating uniform；Through substantial amounts of use, Monitoring Data shows: use oil injecting lubricating system free wheel assembly, free wheel assembly dissociate swing reliability be greatly improved；As long as by " regular job maintenance procedure " replenishment in time, the locking fault of free wheel assembly oscillating spindle is zero.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the axonometric chart after this utility model removes rubber.

Fig. 3 is the STRUCTURE DECOMPOSITION figure of support bracket.

Fig. 4 is the structural representation of support bracket.

Fig. 5 be support bracket sealing plate layout schematic diagram.

Fig. 6 is the structural representation of this utility model drive shaft assembly.

Fig. 7 is the left view of Fig. 6.

Fig. 8 is the connection diagram of two free wheels in same group.

Fig. 9 is the top view of Fig. 8.

Figure 10 is the A-A sectional view of Fig. 8.

Figure 11 is the B-B sectional view of Figure 10.

Detailed description of the invention

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, support bracket 5 is made up of longeron 51, oscillating spindle 52, crossbeam 53, bearing chamber 54, inclined strut beam the 55, first sealing plate 56 and the second sealing plate 57 etc..Wherein, longeron 51, crossbeam 53 and inclined strut beam 55 are rectangular tube, and before and after longeron 51, two ends are the most transversely equipped with oscillating spindle 52, and oscillating spindle 52 is perpendicular to longeron 1.Being formed with annular boss 52a on the axle body of oscillating spindle 52, this annular boss 52a reclines with the side of longeron 51, and oscillating spindle 52 is positioned on longeron 51 by annular boss 52a, and oscillating spindle 52 is welded and fixed with longeron 51.

As shown in Fig. 3, Fig. 4, Fig. 5, before and after longeron 51 end face, two ends arrange the crossbeam 53 being parallel to each other, and crossbeam 53 is parallel to oscillating spindle 52.The top of the bottom of crossbeam 53 and longeron 51 is connected together by the first draw-in groove Q cooperated, the groove that the first draw-in groove Q on crossbeam 53 is the most through before and after being, and the groove that to be left and right through of the first draw-in groove Q on longeron 51, crossbeam 53 is welded and fixed with longeron 51.In the middle part of longeron 51, it is arranged over bearing chamber 54, the outer circumference surface of this bearing chamber 54 is offered about two parallel and symmetrical locating slot 54a.Inclined strut beam 55 is set between bearing chamber 54 and two crossbeams 53, symmetrical before and after two inclined strut beams 55.

As shown in Fig. 3, Fig. 4, Fig. 5, the lower end of inclined strut beam 55 is provided with the bayonet socket 55a of square, and inclined strut beam 55 is by bayonet socket 55a and crossbeam 53 clamping.It is the shallow slot front and back extended that crossbeam 53 end face is provided with two groove 53a, this groove 53a to the bayonet socket 55a location of inclined strut beam, by being welded and fixed between crossbeam 53 and inclined strut beam 55.It is provided with symmetrical circular arc binding face 55b in the upper end of inclined strut beam 55, between the circular arc binding face 55b of left and right, forms former and later two second draw-in grooves 55c.The bottom land laminating of the locating slot 54a being correspondingly arranged on two circular arc binding face 55b of inclined strut beam 55 upper end and bearing chamber 54, and part between two locating slot 54a on bearing chamber 54 is snapped in by the second draw-in groove 55c, inclined strut beam 55 is welded and fixed with bearing chamber 54.

As it is shown in figure 5, the two ends, left and right of crossbeam 53 are sealed by the first sealing plate 56, this first sealing plate 56 is welded and fixed with crossbeam 53.Before and after longeron 51, two ends are sealed by the second sealing plate 57, and this second sealing plate 57 is welded and fixed with longeron 51.Reinforcing plate all it is welded with between crossbeam 53 and longeron 51, between crossbeam 53 and inclined strut beam 55 and between inclined strut beam 55 and bearing chamber 54.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, the side at bearing chamber 54 arranges driving wheel.Driving wheel 2 is made up of macromolecular material, and the cylindrical of this driving wheel 2 is formed with the most equally distributed external tooth 2a, and external tooth 2a is preferred simulation profile of tooth, and number determines according to actual needs, all has via at the middle part of each external tooth 2a.The both ends of the surface of driving wheel 2 are pasted with the steel baffle plate 6 of annular, on steel baffle plate 6, the position of corresponding external tooth 2a via has pilot hole, two pieces of steel baffle plates 6 and driving wheel 2, through the pilot hole on two pieces of steel baffle plates 6 and the via on external tooth 2a, are fixed together by stay bolt.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, the both ends of the surface symmetry at driving wheel 2 offers circular groove, and one of them is the first groove 2b, and another is the second groove 2c, and the through hole that the middle part of two groove bottom lands is offered by driving wheel 2 center is through.The diameter of two grooves is slightly less than the internal diameter of steel baffle plate 6, and the notch enabling groove is open.Drive shaft assembly is made up of drive shaft 7, ring flange 8 and locating ring 9 three part, and by round steel, steel plate, seamless steel pipe double-deck full weld after roughing, more overall quenched rear polish forms.The inner of drive shaft 7 is arranged in the through hole at driving wheel 2 center, and the end of this drive shaft 7 the inner arranges ring flange 8, the bottom land laminating of ring flange 8 and the first groove 2b, and welds locating ring 9 on ring flange 8, and locating ring 9 is positioned in the first groove 2b.The axle body of drive shaft 7 is set with clamping plate 10, clamping plate 10 is steel plate, the bottom land laminating of this clamping plate 10 and the second groove 2c, clamping plate 10 is fixed by the most equally distributed bolt be connected with driving wheel 2 and ring flange 8, and clamping plate 10 is spacing by the step surface in drive shaft 7 towards the direction of the first groove 2b.

As shown in Figure 6, Figure 7, the outer end of drive shaft 7 is stretched out outside driving wheel 2, and the outer end of drive shaft 7 is by two side by side and angular contact ball bearing 11 and the bearing chamber 54 phase supporting of back-to-back setting.Bearing chamber 54 is the straight tube structure of open at both ends, and is made up of seamless steel pipe.The inner port of bearing chamber 54 is sealed by inner end cap 12, and this inner end cap 12 is positioned at the second groove 2c, and inner end cap 12 is set in drive shaft 7, and inner end cap 12 is fixed with bearing chamber 54 by screw.Wool felt sealing ring 14 it is provided with, in this fixing endoporus groove being flush-mounted in inner end cap 12 of wool felt sealing ring 14 between inner end cap 12 and drive shaft 7.The external port of bearing chamber 54 is sealed by outer end cap 13, and outer end cap 13 is fixed with bearing chamber 54 by screw.

As shown in Figure 6, Figure 7, inner angular contact ball bearing 11 is inwardly by the step surface axial limiting in drive shaft 7, outwards by the step surface axial limiting on bearing chamber 54.The angular contact ball bearing 11 of outer end is inwardly by the step surface axial limiting in drive shaft 7, outwards by locking back-up ring 15 axial limiting of suit in drive shaft 7.nullDescribed locking back-up ring 15 is locked in drive shaft 7 by the first round nut 16 being arranged side by side and the second round nut 17，Particularly as follows: first round nut 16 outside locking back-up ring 15，Turn the first round nut 16 to lock，After bearing clearance is adjusted to proper states，Circlip 18 is installed again，The internal tooth of circlip 18 is snapped in drive shaft 7 in draw-in groove，The external tooth of circlip 18 snaps in the draw-in groove on the first round nut 16，After fixing the locking state of the first round nut 16，Reassemble outside the second round nut 17，After double nut is the tightest，With the 3 of circumference uniform distribution bolts, pressing plate 19 pushed down the second round nut 17 again，First round nut 16 during installation、The bolt of the second round nut 17 and the locking pressing plate of fixed drive main shaft 19 is required to smear screw thread anaerobic adhesive，Guarantee that drive shaft will not get loose.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 8, Fig. 9, Figure 10 and Figure 11, being all set with axle sleeve 20 at the two ends of oscillating spindle 52, the two ends of this axle sleeve 52 are symmetrical arranged free wheel support 21.The middle part of free wheel support 21 is fixing with axle sleeve 20 suit, and oscillating spindle 52 is provided with free wheel 3 with between the front end of two free wheel supports 21 of one end and between rear end, and the wheel shaft of free wheel 3 is connected with the end of free wheel support 21.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 8, Fig. 9, Figure 10 and Figure 11, at oscillating spindle 52 centrally along axially offering shoe cream room 521, this shoe cream room 521 is clear opening structure, shoe cream room 521 is by through for the both ends of the surface of oscillating spindle 52, and the port installation fuel filler neck 22 of shoe cream room 521, fuel filler neck 22 and oscillating spindle 52 threaded engagement.End face at oscillating spindle 525 mounts cover plate 23, and this cover plate 23 is fixed with oscillating spindle 52 by many screws the most equally distributed, and the via in the middle part of cover plate 23 avoids the fuel filler neck 22 of corresponding end, makes the import of this fuel filler neck 22 be positioned at the outside of cover plate 23.

As shown in Figure 10, Figure 11, offering a point of oil groove 522 vertically in the bottom of oscillating spindle 52, the cross section of point oil groove 522 is circular arc, and the two ends of point oil groove 522 are near the end of oscillating spindle 52 corresponding end.Dividing oil groove 522 to be connected with shoe cream room 521 by multiple immersion oil holes 523 being parallel to each other, immersion oil hole 523 is perpendicular to shoe cream room 521 and point oil groove 522.The number in immersion oil hole 523 determines according to actual needs, is preferably three or four in the present embodiment, and the distance between two adjacent immersion oil holes 523 is equal.The aperture in immersion oil hole 523 is 1-1.5mm, and the present embodiment is preferably 1.2mm.

As shown in Figure 1, Figure 2, Figure 3 shows, the bottom of support bracket 5 has former and later two free trains, and each free train is made up of the symmetrically arranged free wheel 3 in two groups, left and right, and often the free wheel 3 of group is divided into former and later two.In the front end of support bracket 5 equipped with two, left and right regulating wheel 4, regulating wheel 4 is connected with driving wheel 2 and free wheel 3 by rubber belt track 1, and the external tooth 2a on driving wheel 2 periphery is meshed with the internal tooth of rubber belt track 1 inner surface.

Claims (10)

1. null1. track rail assembly after a triangle，It is rotatably mounted driving wheel (2) in the upper end of support bracket (5)，The bottom of support bracket (5) is provided with former and later two free trains，Each free train is made up of the symmetrically arranged free wheel in two groups, left and right (3)，Often the free wheel (3) of group is divided into former and later two，Two regulating wheels (4) in left and right it are provided with in the front end of support bracket (5)，Regulating wheel (4) is connected with driving wheel (2) and free wheel (3) by rubber belt track (1)，And the external tooth (2a) on driving wheel (2) periphery is meshed with the internal tooth of rubber belt track (1) inner surface，It is characterized in that: have via at the middle part of driving wheel (2) each external tooth (2a)，The both ends of the surface of described driving wheel (2) are pasted with the steel baffle plate (6) of annular，Stay bolt is through the pilot hole on two pieces of steel baffle plates (6) and the via on external tooth (2a)，Two pieces of steel baffle plates (6) and driving wheel (2) are fixed together；Both ends of the surface at driving wheel (2) offer the first groove (2b) and the second groove (2c) respectively, the inner of drive shaft (7) is arranged in driving wheel (2), the end welding flange (8) that this drive shaft (7) is inner, the bottom land laminating of ring flange (8) and the first groove (2b), and on ring flange (8), weld locating ring (9), bottom land described second groove (2c) is pasted with clamping plate (10), this clamping plate (10) is set in drive shaft (7), clamping plate (10) is connected by the most equally distributed bolt is fixing with driving wheel (2) and ring flange (8).
2. Track rail assembly after triangle the most according to claim 1, it is characterized in that: described support bracket (5) includes longeron (51), oscillating spindle (52), crossbeam (53), bearing chamber (54) and inclined strut beam (55), described longeron (51), crossbeam (53) and inclined strut beam (55) are rectangular tube, before and after longeron (51), two ends are the most transversely equipped with oscillating spindle (52), annular boss (52a) it is formed with on the axle body of oscillating spindle (52), this annular boss (52a) reclines with the side of longeron (51), oscillating spindle (52) is welded and fixed with longeron (51)；Before and after longeron (51) end face, two ends arrange the crossbeam (53) being parallel to each other, the bottom of crossbeam (53) is connected together by the first draw-in groove (Q) cooperated with the top of longeron (51), and crossbeam (53) is welded and fixed with longeron (51)；Described longeron (51) middle part be arranged over bearing chamber (54), drive shaft (7) is rotatably connected with bearing chamber (54), between bearing chamber (54) and two crossbeams (53), inclined strut beam (55) is set, the lower end of described inclined strut beam (55) is provided with the bayonet socket (55a) of square, inclined strut beam (55) is by bayonet socket (55a) and crossbeam (53) clamping, and by being welded and fixed, the end face of described crossbeam (53) is provided with the groove (53a) that two bayonet sockets to inclined strut beam (55a) position, this groove (53a) is the shallow slot front and back extended；Symmetrical circular arc binding face (55b) it is provided with in the upper end of inclined strut beam (55), former and later two the second draw-in grooves (55c) are formed between left and right circular arc binding face (55b), the bottom land laminating of the locating slot (54a) being correspondingly arranged on two circular arc binding faces (55b) of inclined strut beam (55) upper end and bearing chamber (54), and the part between upper for bearing chamber (54) two locating slots (54a) is snapped in by the second draw-in groove (55c), inclined strut beam (55) is welded and fixed with bearing chamber (54).
3. Track rail assembly after triangle the most according to claim 2, it is characterized in that: the two ends, left and right of described crossbeam (53) are sealed by the first sealing plate (56), and this first sealing plate (56) is welded and fixed with crossbeam (53)；Before and after described longeron (51), two ends are sealed by the second sealing plate (57), and this second sealing plate (57) is welded and fixed with longeron (51).
4. 4. according to track rail assembly after the triangle described in Claims 2 or 3, it is characterized in that: driving wheel (2) is stretched out outward in the outer end of described drive shaft (7), side by side and the angular contact ball bearing (11) of back-to-back setting supports mutually with bearing chamber (54) by two in the outer end of drive shaft (7)；Inner angular contact ball bearing (11) is by the step surface axial limiting in drive shaft (7) and bearing chamber (54), the angular contact ball bearing (11) of outer end by the step surface in drive shaft (7) and locking back-up ring (15) axial limiting, described locking back-up ring (15) by nut check in drive shaft (7).
5. Track rail assembly after triangle the most according to claim 4, it is characterized in that: described bearing chamber (54) is the straight tube structure of open at both ends, and be made up of seamless steel pipe, the inner port of bearing chamber (54) is sealed by inner end cap (12), this inner end cap (12) is set in drive shaft (7), the external port of bearing chamber (54) is sealed by outer end cap (13), and outer end cap (13) and inner end cap (12) are all fixed with bearing chamber (54) by screw.
6. Track rail assembly after triangle the most according to claim 5, it is characterized in that: between described inner end cap (12) and drive shaft (7), be provided with wool felt sealing ring (14), in the fixing endoporus groove being flush-mounted in inner end cap (12) of this wool felt sealing ring (14).
7. 7. according to track rail assembly after the triangle described in claim 5 or 6, it is characterized in that: described locking back-up ring (15) is locked in drive shaft (7) by the first round nut (16) being arranged side by side and the second round nut (17), circlip (18) is set between the first round nut (16) and the second round nut (17), the internal tooth of this circlip (18) snaps in the draw-in groove in drive shaft (7), and the external tooth of circlip (18) snaps in the draw-in groove on the first round nut (16) cylindrical；The outer face of described second round nut (17) is compressed by pressing plate (19), and this pressing plate (19) is fixed with drive shaft (7) by equally distributed bolt on circumference.
8. 8. according to track rail assembly after the triangle described in Claims 2 or 3 or 5 or 6, it is characterized in that: at the two ends of oscillating spindle (52) suit axle sleeve (20), the two ends of this axle sleeve (20) are symmetrical arranged free wheel support (21), the middle part of described free wheel support (21) is fixed with axle sleeve (20), oscillating spindle (52) is with being provided with free wheel (3) between the front end of two free wheel supports (21) of one end and between rear end, the wheel shaft of free wheel (3) is connected with the end of free wheel support (21)；At described oscillating spindle (52) centrally along axially offering shoe cream room (521), this shoe cream room (521) is by through for the both ends of the surface of oscillating spindle (52), and port installation fuel filler neck (22) of shoe cream room (521), offering a point of oil groove (522) vertically in the bottom of described oscillating spindle (52), point oil groove (522) is connected with shoe cream room (521) by immersion oil hole (523).
9. Track rail assembly after triangle the most according to claim 8, it is characterized in that: end face attachment cover plate (23) of described oscillating spindle (52), this cover plate (23) is fixed with oscillating spindle (52) by many screws the most equally distributed, and the via at cover plate (23) middle part avoids the fuel filler neck (22) of corresponding end；Described fuel filler neck (22) and oscillating spindle (52) threaded engagement.
10. Track rail assembly after triangle the most according to claim 8, it is characterized in that: the cross section of described point of oil groove (522) is circular arc, oil groove (522) is divided to be connected with shoe cream room (521) by three or four the immersion oil holes (523) being parallel to each other, immersion oil hole (523) is perpendicular to shoe cream room (521) and point oil groove (522), distance between two adjacent immersion oil holes (523) is equal, and the aperture of immersion oil hole (523) is 1-1.5mm.