CN107542116B - A kind of trunnion movable type power shovel of space variable - Google Patents

Abstract

The invention belongs to power shovel technical fields, more particularly to a kind of trunnion movable type power shovel of space variable, power shovel inner space in this equipment can change, so in the case where not increasing excessive cost, power shovel in the present invention can not only excavate soil but also can excavate boulder, function is increased, and in the excavator course of work, this function is very useful；It is provided on telescopic and is provided with the effect of the second limiting slot on the first limiting slot and telescopic rod and is, when boulder is encountered in power shovel, telescopic rod at this time is in compressive state, the limit square installed in first hydraulic cylinder and second hydraulic cylinder will be inserted in the first limiting slot and the second limiting slot, the limit square installed in first hydraulic cylinder and second hydraulic cylinder at this time will will limit the movement of telescopic rod, so that telescopic device does not work, scraper bowl item will not scatter, and can work normally when so that excavating small stone or soil.

Description

A kind of trunnion movable type power shovel of space variable

Technical field

The invention belongs to power shovel technical field more particularly to a kind of trunnion movable type excavators of space variable Scraper bowl.

Background technique

Current existing power shovel can easily have been dug when excavating soil and small stone, when encountering stone Size when being greater than the size of scraper bowl itself, when stone for being greater than own dimensions of power shovel at this time is helpless , and existing power shovel is simple in structure, function is also more single, the case where not increasing excessive cost Under, so that power shovel, which can not only excavate soil but also can excavate boulder, to be necessary.

The trunnion movable type power shovel that the present invention designs a kind of space variable solves the problems, such as above.

Summary of the invention

To solve drawbacks described above in the prior art, the present invention discloses a kind of trunnion movable type excavator of space variable Scraper bowl, it adopts the following technical solutions to realize.

A kind of trunnion movable type power shovel of space variable, it is characterised in that: it includes telescopic device, second Ear, the first trunnion, Telescopic Fixed device, limit annulus, lateral board mechanism, fixed square plate, the first scraper bowl item, wirerope, the second shovel Bucket article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article, first hydraulic cylinder, the first support plate, second Fagging, accommodates square groove, the second square groove, third guide groove, second spring, supporting block, third guide block at second hydraulic cylinder, wherein first Scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, open on the 6th scraper bowl article side there are two Through-hole；First scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article are successively pacified On two telescopic devices；The both ends of two telescopic devices are mounted on limit annulus；Two Telescopic Fixed devices up and down according to It is secondary to be mounted on the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article outer wall On；T-slot is provided on two the first trunnions and the second trunnion；Two the first trunnions are mounted in fixed square plate；Fixed square plate It is mounted on the Telescopic Fixed device on the upside of the first scraper bowl item；Second trunnion is mounted on stretching on the downside of the first scraper bowl item It contracts on fixed device；First scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl It is sequentially connected between item by wirerope；Two lateral board mechanisms are separately mounted between the first scraper bowl article and the 6th scraper bowl article；The One support plate is mounted on the 4th scraper bowl article side；First hydraulic cylinder is mounted in the first support plate end face, and first hydraulic cylinder One end is equipped with limit square；The limit square being mounted in first hydraulic cylinder is matched with the telescopic device close to Telescopic Fixed device It closes；Second support plate is mounted on the 4th scraper bowl article；Second hydraulic cylinder is mounted in the second support plate end face, and second hydraulic cylinder One end is equipped with limit square；The limit square being mounted in second hydraulic cylinder is matched with the telescopic device far from Telescopic Fixed device It closes；Opened on third scraper bowl side there are two accommodate square groove, two receiving square grooves respectively with first hydraulic cylinder and second hydraulic cylinder Cooperation；4th scraper bowl article, the 5th scraper bowl article, the structure of the 6th scraper bowl article are identical, the interior structure installed of the 4th scraper bowl article, the 5th Structure, the interior structure installed of the 6th scraper bowl article installed in scraper bowl article are identical, for the 4th scraper bowl article, the 4th scraper bowl Second square groove there are two symmetrically being opened on the through-hole inner headed face opened on item；The structure of two the second square grooves is identical, two second party The structure installed in slot is also identical, for wherein any one, symmetrically open that there are two thirds on the second square groove two sides Guide groove；Two third guide blocks are symmetrically mounted on supporting block side；Supporting block is pacified by the cooperation of third guide block and third guide groove In the second square groove；Two second springs are respectively positioned in the second square groove；Second spring one end is mounted on the second square groove end face, The other end is mounted on supporting block end face.

Above-mentioned lateral board mechanism include sliding groove, side fixed plate, swivelling chute, elongated slot, trigger board, the second T-slot, hydraulic bag, Rotating drum, T-shaped plate, the first spring, the second T-shaped block, shaft, scroll spring, wherein fixed plate one end in side is provided with sliding groove；Side is solid Fixed board, which is provided on the end face of sliding groove, symmetrically to be opened there are two elongated slot, and two elongated slots are communicated with sliding groove；Elongated slot is opened on side There is the second T-slot that both ends are not penetrated；Elongated slot is provided with rotating drum on end face；It is provided with swivelling chute on the fixed plate side of side, and revolves Turn trough is communicated with rotating drum and sliding groove；T-shaped plate is mounted on trigger board one end, and trigger board passes through the cooperation of T-shaped plate and sliding groove It is mounted in the fixed plate of side；Two shafts are symmetrically mounted on T-shaped plate side, and two shafts cooperate with sliding groove；Elongated slot Scroll spring is inside installed, scroll spring inner end is mounted in shaft, and outer end is equipped with the second T-shaped block；Scroll spring outer end is logical Cross being fitted in the fixed plate of side of the second T-shaped block and the second T-slot；First spring, the first bullet are installed in the second T-slot Spring one end is mounted on the second T-slot inner face, and the other end is mounted in the second T-shaped block；Hydraulic bag is mounted on rotation resonator end surface On, and hydraulic bag and T-shaped plate cooperate；Hydraulic bag is connected by hose with first hydraulic cylinder and second hydraulic cylinder.

Above-mentioned telescopic device includes telescopic, the first limiting slot, telescopic rod, the second limiting slot, third spring, first leads Slot, the first guide block, wherein telescopic inner headed face symmetrically opens that there are two the first guide grooves for being not penetrated；Is provided on telescopic periphery One limiting slot；The second limiting slot is provided on telescopic rod periphery, and the second limiting slot and the first limiting slot cooperate；Telescopic one end It is provided with the conical surface；Two the first guide blocks are symmetrically mounted on the periphery of telescopic rod one end；Telescopic rod passes through the first guide block and first Guide groove is fitted on telescopic；Third spring is located in telescopic, and third spring one end is mounted on telescopic inner face On, the other end is mounted in flexible rod end surface.

Above-mentioned first scraper bowl item, the second scraper bowl item, third scraper bowl item are sequentially arranged on telescopic；4th scraper bowl article, Five scraper bowls article, the 6th scraper bowl article are sequentially arranged on telescopic rod；Three supporting blocks are engaged with telescopic rod periphery.

Above-mentioned Telescopic Fixed device include the first T-shaped block, third T-shaped block, limit plate, connecting plate, slide bar, the first T-slot, First fixed link, the second guide groove, the first stop block, rack gear, gear mounting groove, T-bar, the second stop block, first gear, second Gear, third gear, the first square groove, the second fixed link, third T-slot, the second guide block, wherein three the first T-shaped blocks are pacified respectively On the first scraper bowl item, the second scraper bowl item, third scraper bowl side wall；Three third T-shaped blocks be separately mounted to the 4th scraper bowl article, On 5th scraper bowl article, the 6th scraper bowl article side wall；The first T-slot being not penetrated, the first fixed link are provided in first fixed rod end surface The 4th scraper bowl article, the 5th scraper bowl article are fitted to, on the 6th scraper bowl article by the first T-slot and third T-shaped block；First is solid Fixed pole, which is provided on the end face of the first T-slot, is provided with the first square groove, is provided with gear mounting groove on the first square groove end face；First square groove two Second guide groove there are two symmetrically being opened on side, and the second guide groove is vertical with gear mounting groove；It is provided with not in second fixed rod end surface The third T-slot of perforation, the second fixed link are fitted to the first scraper bowl item, second by third T-slot and the first T-shaped block On scraper bowl item, third scraper bowl item；One end of the connection board is mounted on the second fixed link upper surface；Two the second guide blocks are symmetrically mounted on cunning On the two sides of bar one end；Slide bar is provided with tooth on side；Slide bar is mounted in connection plate end face far from second guide block one end, and slide bar is another One end is slidably matched by the second guide block and the second guide groove；First fixed link is opened and is equipped with limit plate on the first T-slot end face；The Two fixed links are provided on the end face of third T-slot and are equipped with limit plate；T-bar is mounted on the first fixed link；Two the first trunnions Pass through being coupled for the T-slot and T-bar opened thereon with the second trunnion；First gear is mounted on gear peace by straight pin In tankage, and first gear is engaged with institute's tooth punching on slide bar；Second gear is mounted on T-bar side by straight pin, and the Two gears are engaged with first gear；Third gear is mounted on fixed second gear straight pin；Fixed square plate and the second trunnion end Rack gear is mounted on face, rack gear is engaged with third gear；First gear diameter is equal to the diameter of third gear；Second gear Diameter is 2 times of first gear diameter；First stop block and the second stop block are separately mounted to T-bar both ends.

Spring is installed in above-mentioned hydraulic bag.

Being provided on above-mentioned telescopic and being provided with the effect of the second limiting slot on the first limiting slot and telescopic rod is to work as digger shovel When boulder is encountered in bucket, telescopic rod at this time is in compressive state, the limit installed in first hydraulic cylinder and second hydraulic cylinder Square will be inserted in the first limiting slot and the second limiting slot, the limit installed in first hydraulic cylinder and second hydraulic cylinder at this time Position square will will limit the movement of telescopic rod, so that telescopic device does not work, idle telescopic device will make the One scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article will not scatter, It can work normally when so that excavating small stone or soil；When power shovel encounters boulder, triggering at this time Plate will be under pressure effect, and the trigger board for the effect that is under pressure will be moved into sliding groove, thus will compression hydraulic capsule Hydraulic oil in hydraulic bag is pressed into first hydraulic cylinder and second hydraulic cylinder by hose, so that first hydraulic cylinder and the second liquid Limit square on cylinder pressure is shifted out out of the first limiting slot, the second limiting slot respectively, and telescopic device at this time will be released from It is flexible, telescopic device will can be with free extension, the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the Five scraper bowls article, the 6th scraper bowl article can will slide on telescopic device, and such power shovel size will become larger, to reach The function of boulder can be dug to this equipment.

As the further improvement of this technology, above-mentioned first spring is adjustable spring.

As the further improvement of this technology, it is above-mentioned as above-mentioned first scraper bowl item, the second scraper bowl item, third scraper bowl item, The alternative that 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article are sequentially arranged on two telescopic devices is the first scraper bowl Article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article be sequentially arranged at three flexible dresses It sets.

As the further improvement of this technology, above-mentioned shaft is cooperated by bearing and sliding groove.

As the further improvement of this technology, above-mentioned first limiting slot is identical as the size of the second limiting slot.

As the further improvement of this technology, above-mentioned wirerope does not have any elasticity.

Relative to traditional power shovel technology, the present invention wherein the first scraper bowl item, the second scraper bowl item, third scraper bowl Article, the 4th scraper bowl article, the 5th scraper bowl article, to open there are two the effect of through-hole on the 6th scraper bowl article side be for the ease of being mounted on On telescopic device；First scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article The effect being sequentially arranged on two telescopic devices is that scraper bowl item can move on telescopic device, from making power shovel Boulder can be excavated；The effect that the both ends of two telescopic devices are mounted on limit annulus is to prevent the first scraper bowl item, second Scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article skid off telescopic device；Two Telescopic Fixed dresses It sets and is sequentially arranged at the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th shovel up and down Effect on bucket outer wall is easy for the first trunnion of installation and the second trunnion, so that the first trunnion can be same with the second trunnion When control the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article；Two T-slot is provided on first trunnion and the second trunnion；Two the first trunnions are mounted in fixed square plate；Fixed square plate installation is in place On Telescopic Fixed device on the upside of the first scraper bowl item；Second trunnion is mounted on the Telescopic Fixed dress on the downside of the first scraper bowl item The effect set is easy for being connected with digger shovel arm；First scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, Between 5th scraper bowl article, the 6th scraper bowl article by wirerope it is sequentially connected effect be so that the first scraper bowl article, the second scraper bowl article, Third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scattered spacing of scraper bowl article are uniform；Two lateral board mechanism difference The effect being mounted between the first scraper bowl article and the 6th scraper bowl article is whether identification scraper bowl digs boulder；The installation of first support plate Effect on the 4th scraper bowl article side is fixed first hydraulic cylinder；First hydraulic cylinder is mounted in the first support plate end face, and The effect that first hydraulic cylinder one end is equipped with limit square is to carry out locking or unlock to telescopic device；The installation of second support plate Effect on the 4th scraper bowl article is to fix second hydraulic cylinder；Receiving square groove there are two being opened on third scraper bowl side, two It is a to accommodate the effect that square groove cooperates with first hydraulic cylinder and second hydraulic cylinder respectively and be, when the first scraper bowl article, the second scraper bowl article, the Three scraper bowls article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article can accommodate first hydraulic cylinder and second hydraulic when withdrawing Cylinder；Symmetrically being opened on the through-hole inner headed face opened on 4th scraper bowl article there are two the effect of the second square groove is to accommodate supporting block； The effect of third guide groove is to form sliding with the third guide block in supporting block and match there are two symmetrically opening on second square groove two sides It closes；Two second springs are respectively positioned in the second square groove；Second spring one end is mounted on the second square groove end face, and the other end is mounted on Effect on supporting block end face is to give supporting block one restoring force effect.

The effect of latus inframedium mechanism of the present invention is on the one hand to be and the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the Four scraper bowls article, the 5th scraper bowl article, the 6th scraper bowl article form scraper bowl, prevent soil or stone from spilling, are on the other hand to know Whether boulder is not dug；The effect that side fixed plate one end is provided with sliding groove is easy for being mounted on the sliding of the T-shaped plate in trigger board； Side fixed plate, which is provided on the end face of sliding groove, symmetrically to be opened there are two elongated slot, and the effect that two elongated slots are communicated with sliding groove is just Scroll spring sliding is driven in shaft；The effect that the second T-slot that both ends are not penetrated is provided on elongated slot side is and scrollwork bullet The second T-shaped block installed on spring is slidably matched, so that after scroll spring sliding, and restoring force can be provided for shaft；Elongated slot end The effect that rotating drum is provided on face, which is easy for T-shaped plate, to be rotated；Swivelling chute, and swivelling chute and rotation are provided on the fixed plate side of side Turning the effect that chamber and sliding groove communicate is to prevent the anti-raw interference of T-shaped plate rotation；T-shaped plate is mounted on trigger board one end, and trigger board is logical The effect being fitted in the fixed plate of side for crossing T-shaped plate and sliding groove is, when scraper bowl encounters boulder, the effect of being under pressure Trigger board will will drive after T-shaped plate first moves a distance along sliding groove, T-shaped plate at this time will compression hydraulic capsule, thus By in the hydraulic oil indentation first hydraulic cylinder and second hydraulic cylinder in hydraulic bag, so that telescopic device will unlock, unlock Telescopic device afterwards can be in order to the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, The dispersion movement of six scraper bowl items；It rotates by a certain angle under the action of stone around shaft again, has the presence of this angle that can just make Stone is obtained to trigger board one along one component effect of telescopic device, so that the first scraper bowl item, the second scraper bowl item, third are shoveled Bucket article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article scatter and excavate boulder；Two shafts are symmetrically mounted on T-shaped plate On side, and effect of two shafts with sliding groove cooperation, on the one hand T-shaped plate is guided to slide in sliding groove, on the other hand Convenient for T-shaped plate rotation；Scroll spring is installed, scroll spring inner end is mounted in shaft, and outer end is equipped with the 2nd T shape in elongated slot The effect of block is to give shaft one restoring force effect；First spring one end is mounted on the second T-slot inner face, other end installation Active force when the effect in the second T-shaped block is to one return of T-shaped plate；Hydraulic bag is mounted on rotation resonator end surface, and liquid The effect of pressure capsule and T-shaped plate cooperation is storage hydraulic oil.

The effect of telescopic device is connection the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl in the present invention Article, the 5th scraper bowl article, the 6th scraper bowl article；Telescopic inner headed face symmetrically opens that there are two the effects of the first guide groove being not penetrated to be and stretch The first guide block formation on contracting bar is slidably matched；The effect that telescopic one end is provided with the conical surface is easy for the 4th scraper bowl article, the 5th shovel Bucket article, the 6th scraper bowl article are moved on telescopic；Third spring is located in telescopic, and third spring one end is mounted in telescopic On end face, the effect that the other end is mounted in flexible rod end surface is to give telescopic rod one restoring force effect.

The effect of Telescopic Fixed device is connection the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th in the present invention Scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article and the first trunnion and the second trunnion；Three the first T-shaped blocks are separately mounted to first Scraper bowl item, the second scraper bowl item, the effect on third scraper bowl side wall are slidably matched with the third T-slot in the second fixed link； Three third T-shaped blocks are separately mounted to the 4th scraper bowl article, the 5th scraper bowl article, the effect on the 6th scraper bowl article side wall be with it is first solid The first T-slot formation in fixed pole is slidably matched；The effect that one end of the connection board is mounted on the second fixed link upper surface is to pacify Fill slide bar；It is fortune in order to limit third T-shaped block that first fixed link, which is opened and is equipped with the effect of limit plate on the first T-slot end face, It is dynamic；It is fortune in order to limit the first T-shaped block that second fixed link, which is provided with and is equipped with the effect of limit plate on the end face of third T-slot, It is dynamic；The effect that spring is equipped in hydraulic bag is to give hydraulic bag one restoring force, thus by first hydraulic cylinder and second hydraulic cylinder Interior hydraulic oil sucks out；The effect identical with the size of the second limiting slot of first limiting slot is easy for limit square and inserts Enter；The effect that wirerope does not have any elasticity is so that the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl Article, the 5th scraper bowl article, the 6th scraper bowl article be uniformly dispersed；The effect that gear mounting groove is provided on first square groove end face is easy for fixing First gear.

In use, when boulder is encountered in power shovel, telescopic rod at this time is in compressive state, and first The limit square installed in hydraulic cylinder and second hydraulic cylinder will be inserted in the first limiting slot and the second limiting slot, and at this time the The limit square installed in one hydraulic cylinder and second hydraulic cylinder will will limit the movement of telescopic rod, so that telescopic device not work Make, idle telescopic device will make the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th shovel Bucket article, the 6th scraper bowl article will not scatter, and can work normally when so that excavating small stone or soil；Work as excavator When scraper bowl encounters boulder, trigger board at this time will be under pressure effect, and the trigger board for the effect that is under pressure will be to sliding Movement in slot, when T-shaped plate and hydraulic bag contact, continue to move downward will compression hydraulic capsule, by the hydraulic oil in hydraulic bag It is pressed into first hydraulic cylinder and second hydraulic cylinder by hose, so that the limit square in first hydraulic cylinder and second hydraulic cylinder point It is not shifted out out of the first limiting slot, the second limiting slot, telescopic device at this time will be released from flexible, and telescopic device will can With free extension, the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article It can will be slided on telescopic device, such power shovel size will become larger, so that great Shi can be dug by reaching this equipment The function of head；In the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article During dispersion, being mounted on the first scraper bowl item, the second scraper bowl item, the first T-shaped block on third scraper bowl side wall can be along second Third T-slot sliding in fixed link；It is mounted on the 4th scraper bowl article, the 5th scraper bowl article, three T-shaped blocks on the 6th scraper bowl article side wall First T-slot sliding of the meeting in the first fixed link；The second guide block on slide bar will be slided along the second guide groove simultaneously；Movement Slide bar will drive first gear to rotate, and first gear will drive second gear to rotate, and second gear drives the second tooth of installation The straight pin of wheel rotates；The straight pin of installation second gear will will drive the rotation of third gear；Third gear will drive rack Movement, rack gear will will drive the T-slot in fixed square plate and the second trunnion and slide along T-bar；So that the first trunnion and Two trunnion one end distances；First gear diameter is equal to the diameter of third gear；The diameter of second gear is the 2 of first gear diameter Times effect be, when slide bar movement S apart from when, it will drive first gear rotation n circle, second gear will rotate n/2 circle；The Three gears rotate n/2 circle, so that the distance of the mobile S/2 of rack gear；It can guarantee the stress point of power shovel always in this way On the median plane of scraper bowl, in this way it may be said that making scraper bowl uniform force, the service life of bucket will be greatly reinforced.At this time Scraper bowl will boulder excavate get up；After excavator complete boulder, telescopic rod will under the action of third spring It is drawn into telescopic, while driving the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl Article, the 6th scraper bowl article, the 4th scraper bowl article at this time, the 5th scraper bowl article, the supporting block on the 6th scraper bowl article will pass through telescopic On the conical surface be moved on telescopic rod, the effect of supporting block is that the 4th scraper bowl article of support, the 5th scraper bowl article, the 6th scraper bowl article are being stretched On contracting bar；Trigger board is restored on original position under the action of the first spring and scroll spring；Hydraulic bag will be by first Hydraulic cylinder is sucked out with hydraulic oil in second hydraulic cylinder, and limit square is allowed to limit the movement of telescopic device；So that this hair Power shovel in bright can continue excacation.

Detailed description of the invention

Fig. 1 is global facility distribution schematic diagram.

Fig. 2 is first hydraulic cylinder mounting structure schematic diagram.

Fig. 3 is the first T-shaped block mounting structure schematic diagram.

Fig. 4 is third scraper bowl structural schematic diagram.

Fig. 5 is side fixed plate mounting structure schematic diagram.

Fig. 6 is side fixed plate structure schematic diagram.

Fig. 7 is trigger board mounting structure schematic diagram.

Fig. 8 is T-shaped plate mounting structure schematic diagram.

Fig. 9 is telescopic rod mounting structure schematic diagram.

Figure 10 is third spring mounting structure schematic diagram.

Figure 11 is telescopic structural schematic diagram.

Figure 12 is the first guide block mounting structure schematic diagram.

Figure 13 is the first trunnion mounting structure schematic diagram.

Figure 14 is slide bar mounting structure schematic diagram.

Figure 15 is the 4th scraper bowl article structural schematic diagram.

Figure 16 is second spring mounting structure schematic diagram.

Figure 17 is the second guide block mounting structure schematic diagram.

Figure 18 is third T-shaped block mounting structure schematic diagram.

Figure 19 is first gear mounting structure schematic diagram.

Figure label title: 1, telescopic device；2, the second trunnion；3, the first trunnion；4, Telescopic Fixed device；5, limit circle Ring；6, lateral board mechanism；7, trigger board；8, the first scraper bowl item；9, wirerope；10, the second scraper bowl item；11, third scraper bowl item；12, 4th scraper bowl article；13, the 5th scraper bowl article；14, the 6th scraper bowl article；15, first hydraulic cylinder；16, the first support plate；17, second Fagging；18, second hydraulic cylinder；19, the first T-shaped block；20, square groove is accommodated；21, sliding groove；22, swivelling chute；23, elongated slot；24, Two T-slots；25, hydraulic bag；26, rotating drum；27, T-shaped plate；28, the first spring；29, the second T-shaped block；30, shaft；31, scrollwork Spring；32, telescopic；33, the first limiting slot；34, telescopic rod；35, second spring；36, supporting block；37, the second limiting slot； 38, third spring；40, the first guide groove；41, the first guide block；42, limit plate；43, connecting plate；44, slide bar；45, the first T-slot； 46, the first fixed link；47, the second guide groove；48, the first square groove；49, the second fixed link；50, third T-slot；51, the second square groove； 52, third guide groove；53, third guide block；54, the second guide block；55, third T-shaped block；56, side fixed plate；57, the first stop block； 58, rack gear；59, fixed square plate；60, gear mounting groove；61, T-bar；62, the second stop block；63, first gear；64, second Gear；65, third gear.

Specific embodiment

As shown in Figure 1, 2, it includes telescopic device 1, the second trunnion 2, the first trunnion 3, Telescopic Fixed device 4, limit circle Ring 5, lateral board mechanism 6, the first scraper bowl article 8, wirerope 9, the second scraper bowl article 10, fixed square plate 59, third scraper bowl article the 11, the 4th shovel Struggle against article the 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14, first hydraulic cylinder 15, the first support plate 16, the second support plate 17, second Hydraulic cylinder 18 accommodates square groove 20, the second square groove 51, third guide groove 52, second spring 35, supporting block 36, third guide block 53, such as schemes 1, shown in 2, wherein the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, Through-hole there are two being opened on 6th scraper bowl article, 14 side；As shown in Figure 1, 2, the first scraper bowl item 8, the second scraper bowl item 10, third shovel Bucket article the 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 are sequentially arranged on two telescopic devices 1；As Fig. 1, Shown in 2, the both ends of two telescopic devices 1 are mounted on limit annulus 5；Two Telescopic Fixed about 4 devices are sequentially arranged at One scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, outside the 6th scraper bowl article 14 On wall；As shown in Figure 1, being provided with T-slot on two the first trunnions 3 and the second trunnion 2；Two the first trunnions 3 are mounted on fixation In square plate 59；Fixed square plate 59 is mounted on the Telescopic Fixed device 4 of 8 upside of the first scraper bowl item；As shown in Figure 1, second Trunnion 2 is mounted on the Telescopic Fixed device 4 of 8 downside of the first scraper bowl item；As shown in Figure 1, 2, the first scraper bowl item 8, second Scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, between the 6th scraper bowl article 14 by wirerope according to Secondary connection；Two lateral board mechanisms 6 are separately mounted between the first scraper bowl article 8 and the 6th scraper bowl article 14；As shown in Fig. 2, first Fagging 16 is mounted on 12 side of the 4th scraper bowl article；As shown in Fig. 2, first hydraulic cylinder 15 is mounted on 16 end face of the first support plate On, and 15 one end of first hydraulic cylinder is equipped with limit square；As shown in Fig. 2, the limit square being mounted in first hydraulic cylinder 15 Cooperate with the telescopic device 1 close to Telescopic Fixed device 4；As shown in Fig. 2, the second support plate 17 is mounted on the 4th scraper bowl article 12 On；As shown in Fig. 2, second hydraulic cylinder 18 is mounted on 17 end face of the second support plate, and the installation of 18 one end of second hydraulic cylinder is limited Position square；As shown in Fig. 2, being mounted on the limit square in second hydraulic cylinder 18 and the telescopic device 1 far from Telescopic Fixed device 4 Cooperation；As shown in figure 4, being opened on 11 side of third scraper bowl item there are two square groove 20 is accommodated, two receiving square grooves 20 are respectively with first Hydraulic cylinder 15 and second hydraulic cylinder 18 cooperate；4th scraper bowl article 12, the 5th scraper bowl article 13, the structure of the 6th scraper bowl article 14 are identical, It is installed in the structure installed in the structure installed in 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 Structure is identical, as shown in figure 15, symmetrical on the through-hole inner headed face opened on the 4th scraper bowl article 12 for the 4th scraper bowl article 12 Second square groove 51 there are two opening；The structure of two the second square grooves 51 is identical, and institute's mounting structure is also complete in two the second square grooves 51 It is identical, for wherein any one symmetrically opened on 51 two sides of the second square groove there are two third guide groove 52 as shown in figure 15；Such as Shown in Figure 16, two third guide blocks 53 are symmetrically mounted on 36 side of supporting block；Supporting block 36 passes through third guide block 53 and third Guide groove 52 is fitted in the second square groove 51；As shown in Fig. 9,16, two second springs 35 are respectively positioned in the second square groove 51； 35 one end of second spring is mounted on 51 end face of the second square groove, and the other end is mounted on 36 end face of supporting block.

As shown in Fig. 3,5, above-mentioned lateral board mechanism 6 includes sliding groove 21, side fixed plate 56, swivelling chute 22, elongated slot 23, triggering Plate 7, the second T-slot 24, hydraulic bag 25, rotating drum 26, T-shaped plate 27, the first spring 28, the second T-shaped block 29, shaft 30, scrollwork Spring 31, as shown in fig. 6, wherein fixed plate 56 one end in side is provided with sliding groove 21；As shown in fig. 6, side fixed plate 56 is provided with sliding Elongated slot 23 there are two symmetrically being opened on the end face of slot 21, and two elongated slots 23 are communicated with sliding groove 21；As shown in fig. 6, elongated slot 23 The second T-slot 24 that both ends are not penetrated is provided on side；As shown in fig. 7, being provided with rotating drum 26 on 23 end face of elongated slot；Such as Fig. 6 It is shown, swivelling chute 22 is provided on 56 side of side fixed plate, and swivelling chute 22 is communicated with rotating drum 26 and sliding groove 21；Such as Fig. 8 institute Show, T-shaped plate 27 is mounted on 7 one end of trigger board, and trigger board 7 is fitted to side fixed plate by T-shaped plate 27 and sliding groove 21 On 56；As shown in figure 8, two shafts 30 are symmetrically mounted on 27 side of T-shaped plate, and two shafts 30 are matched with sliding groove 21 It closes；As shown in figure 8, being equipped with scroll spring 31 in elongated slot 23,31 inner end of scroll spring is mounted in shaft 30, and outer end is equipped with Second T-shaped block 29；As shown in figure 8,31 outer end of scroll spring being fitted to by the second T-shaped block 29 and the second T-slot 24 In side fixed plate 56；First spring 28 is installed, 28 one end of the first spring is mounted in the second T-slot 24 in second T-slot 24 On end face, the other end is mounted in the second T-shaped block 29；As shown in fig. 7, hydraulic bag 25 is mounted on 26 end face of rotating drum, and liquid Capsule 25 and T-shaped plate 27 is pressed to cooperate；Hydraulic bag 25 is connected by hose with first hydraulic cylinder 15 and second hydraulic cylinder 18.

As shown in Figures 9 and 10, above-mentioned telescopic device 1 includes telescopic 32, the first limiting slot 33, the limit of telescopic rod 34, second Slot 37, third spring 38, the first guide groove 40, the first guide block 41, as shown in figure 11, wherein 32 inner headed face of telescopic is symmetrically provided with two A the first guide groove 40 being not penetrated；As shown in figure 12, the first limiting slot 33 is provided on 32 periphery of telescopic；As shown in figure 9, stretching The second limiting slot 37 is provided on 34 periphery of contracting bar, and the second limiting slot 37 and the first limiting slot 33 cooperate；32 one end of telescopic It is provided with the conical surface；As shown in figure 12, two the first guide blocks 41 are symmetrically mounted on the periphery of 34 one end of telescopic rod；Such as Figure 10 institute Show, telescopic rod 34 is fitted on telescopic 32 by the first guide block 41 and the first guide groove 40；As shown in Figure 10, third bullet Spring 38 is located in telescopic 32, and 38 one end of third spring is mounted on 32 inner face of telescopic, and the other end is mounted on telescopic rod 34 On end face；

As shown in Figure 1, above-mentioned first scraper bowl item 8, the second scraper bowl item 10, third scraper bowl item 11 are sequentially arranged at telescopic 32 On；4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 are sequentially arranged on telescopic rod 34；Three supporting blocks 36 with 34 periphery of telescopic rod is engaged.

As shown in figure 13, above-mentioned Telescopic Fixed device 4 includes the first T-shaped block 19, third T-shaped block 55, limit plate 42, connection Plate 43, slide bar 44, the first T-slot 45, the first fixed link 46, the first stop block 57, rack gear 58, gear mounting groove 60, T-bar 61, the second stop block 62, first gear 63, second gear 64, third gear 65, the second guide groove 47, the first square groove 48, second are solid Fixed pole 49, third T-slot 50, the second guide block 54, as shown in figure 3, wherein three the first T-shaped blocks 19 are separately mounted to the first scraper bowl Item 8, the second scraper bowl item 10, on 11 side wall of third scraper bowl item；As shown in figure 18, three third T-shaped blocks 55 are separately mounted to the 4th Scraper bowl article 12, the 5th scraper bowl article 13, on 14 side wall of the 6th scraper bowl article；As shown in figure 14, it is provided with not on 46 end face of the first fixed link First T-slot 45 of perforation, the first fixed link 46 are fitted to the 4th shovel by the first T-slot 45 and third T-shaped block 55 On bucket article the 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14；As shown in figure 14, the first fixed link 46 is provided with the end of the first T-slot 45 It is provided with the first square groove on face, is symmetrically opened on 48 two sides of the first square groove there are two the second guide groove 47；First square groove is opened on 47 end face There is gear mounting groove 60；As shown in figure 14, the third T-slot 50 being not penetrated is provided on 49 end face of the second fixed link, second is fixed Bar 49 is fitted to the first scraper bowl item 8, the second scraper bowl item 10, third scraper bowl by third T-slot 50 and the first T-shaped block 19 On item 11；As shown in figure 14,43 one end of connecting plate is mounted on 49 upper surface of the second fixed link；Slide bar is provided with tooth on 44 side；Such as Shown in Figure 17, two the second guide blocks 54 are symmetrically mounted on 44 one end two sides of slide bar；As shown in figure 14, slide bar 44 is far from second 54 one end of guide block is mounted on 43 end face of connecting plate, and 44 other end of slide bar is matched by the second guide block 54 and the sliding of the second guide groove 47 It closes；First fixed link 46 is opened and is equipped with limit plate 42 on 45 end face of the first T-slot；As shown in figure 14, the second fixed link 49 is provided with Limit plate 42 is installed on the end face of third T-slot 50；As shown in figure 19, T-bar 61 is mounted on the first fixed link 46；Such as Figure 19 Shown, two the first trunnions 3 and the second trunnion 2 pass through being coupled for the T-slot opened thereon and T-bar 61；First gear 63 are mounted in gear mounting groove 60 by straight pin, and first gear 63 is engaged with institute's tooth punching on slide bar 44；As shown in figure 19, Second gear 64 is mounted on 61 side of T-bar by straight pin, and second gear 64 is engaged with first gear 63；Third gear 65 are mounted on fixed 64 straight pin of second gear；As shown in figure 19, it is mounted on fixed square plate 59 and 2 end face of the second trunnion Rack gear 58, rack gear 58 are engaged with third gear 65；63 diameter of first gear is equal to the diameter of third gear 65；As shown in figure 19, The diameter of second gear 64 is 2 times of 63 diameter of first gear；First stop block 57 and the second stop block 62 are separately mounted to T shape 61 both ends of item.

Spring is installed in above-mentioned hydraulic bag 25.

It is provided on above-mentioned telescopic 32 and is provided with the effect of the second limiting slot 37 on first limiting slot 33 and telescopic rod 34 and is, when When boulder is encountered in power shovel, telescopic rod 34 at this time is in compressive state, first hydraulic cylinder 15 and second hydraulic cylinder The limit square installed on 18 will be inserted in the first limiting slot 33 and the second limiting slot 37, first hydraulic cylinder 15 at this time with The limit square installed in second hydraulic cylinder 18 will will limit the movement of telescopic rod 34, so that telescopic device 1 does not work, no The telescopic device 1 of work will make the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, Five scraper bowls article 13, the 6th scraper bowl article 14 will not scatter, and can work normally when so that excavating small stone or soil； When power shovel encounters boulder, trigger board 7 at this time will be under pressure effect, the trigger board 7 for the effect that is under pressure Will be moved into sliding groove 21, thus will compression hydraulic capsule 25 by the hydraulic oil in hydraulic bag 25 by hose indentation first In hydraulic cylinder 15 and second hydraulic cylinder 18, so that the limit square in first hydraulic cylinder 15 and second hydraulic cylinder 18 is respectively from first It is shifted out in limiting slot 33, the second limiting slot 37, telescopic device 1 at this time will be released from flexible, and telescopic device 1 will can be with Free extension, the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article the 13, the 6th Scraper bowl item 14 can will slide on telescopic device 1, and such power shovel size will become larger, so that reaching this equipment can To dig the function of boulder.

Above-mentioned first spring 28 is adjustable spring.

It is above-mentioned to be shoveled as above-mentioned first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article the 12, the 5th The alternative that bucket article the 13, the 6th scraper bowl article 14 is sequentially arranged on two telescopic devices 1 is the first scraper bowl item 8, the second scraper bowl Articles 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 are sequentially arranged at three flexible dresses It sets on 1.

Above-mentioned shaft 30 is cooperated by bearing and sliding groove 21.

Above-mentioned first limiting slot 33 is identical as the size of the second limiting slot 37.

Above-mentioned wirerope 9 does not have any elasticity.

In summary:

The present invention wherein the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl Articles 13, being opened on 14 side of the 6th scraper bowl article there are two the effect of through-hole is for the ease of being mounted on telescopic device 1；First shovel Bucket article the 8, second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 are successively pacified Effect on two telescopic devices 1 is that scraper bowl item can move on telescopic device 1, from making the power shovel can be with Excavate boulder；The effect that the both ends of two telescopic devices 1 are mounted on limit annulus 5 is to prevent the first scraper bowl item 8, second from shoveling Bucket article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 skid off telescopic device 1；Two Telescopic Fixed about 4 device is sequentially arranged at the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the effect on 14 outer wall of the 6th scraper bowl article are easy for the first trunnion 3 of installation and the second trunnion 2, to make The first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article the 11, the 4th can be controlled simultaneously by obtaining the first trunnion 3 and the second trunnion 2 Scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14；Two the first trunnions 3 are mounted on stretching for 8 upside of the first scraper bowl item It contracts on fixed device 4；T-slot is provided on two the first trunnions 3 and the second trunnion 2；Two the first trunnions 3 are mounted on fixation side On plate 59；The effect that fixed square plate 59 is mounted on the Telescopic Fixed device 4 of 8 downside of the first scraper bowl item is easy for and excavates Mechanical shovel arm is connected；First scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, Passing through the sequentially connected effect of wirerope 9 between six scraper bowl items 14 is so that the first scraper bowl item 8, the second scraper bowl item 10, third shovel Article the 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the scattered spacing of the 6th scraper bowl article 14 of struggling against are uniform；Two lateral board mechanisms 6 divide The effect not being mounted between the first scraper bowl article 8 and the 6th scraper bowl article 14 is whether identification scraper bowl digs boulder；First support The effect that plate 16 is mounted on 12 side of the 4th scraper bowl article is fixed first hydraulic cylinder 15；First hydraulic cylinder 15 is mounted on first On 16 end face of fagging, and 15 one end of first hydraulic cylinder be equipped with limit square effect be to telescopic device 1 carry out locking or Unlock；The effect that second support plate 17 is mounted on the 4th scraper bowl article 12 is to fix second hydraulic cylinder 18；Third scraper bowl item It is opened on 11 sides there are two square groove 20 is accommodated, two receiving square grooves 20 cooperate with first hydraulic cylinder 15 and second hydraulic cylinder 18 respectively Effect be, when the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, Six scraper bowl items 14 can accommodate first hydraulic cylinder 15 and second hydraulic cylinder 18 when withdrawing；In the through-hole opened on 4th scraper bowl article 12 Symmetrically being opened on disc there are two the effect of the second square groove 51 is to accommodate supporting block 36；Second square groove is symmetrically opened on 51 two sides Effect there are two third guide groove 52 is slidably matched with the formation of third guide block 53 in supporting block 36；Two second springs 35 It is respectively positioned in the second square groove 51；35 one end of second spring is mounted on 51 end face of the second square groove, and the other end is mounted on supporting block 36 Effect on end face is to give supporting block 36 1 restoring force effects.

The effect of latus inframedium mechanism 6 of the present invention is that one side is and the first scraper bowl item 8, the second scraper bowl item 10, third scraper bowl Article the 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 form scraper bowl, prevent soil or stone from spilling, another Aspect is to identify whether to dig to boulder；The effect that fixed plate 56 one end in side is provided with sliding groove 21 is easy for being mounted on triggering T-shaped plate 27 on plate 7 is slided；Side fixed plate 56, which is provided on the end face of sliding groove, symmetrically to be opened there are two elongated slot 23, and two elongated slots 23 effects communicated with sliding groove 21 are easy for shaft 30 and scroll spring 31 are driven to slide；It is equal that both ends are provided on 23 side of elongated slot The effect for the second T-slot 24 being not penetrated is slidably matched with the second T-shaped block 29 installed on scroll spring 31, so that scrollwork bullet After spring 31 slides, and restoring force can be provided for shaft 30；The effect that rotating drum 26 is provided on 23 end face of elongated slot is easy for T-shaped plate 27 can rotate；It is provided with swivelling chute 22 on 56 side of side fixed plate, and swivelling chute 22 is communicated with rotating drum 26 and sliding groove 21 Effect is to prevent T-shaped plate 27 from rotating anti-raw interference；T-shaped plate 27 is mounted on 7 one end of trigger board, and trigger board 7 is by T-shaped plate 27 and slides The effect of dynamic slot 21 being fitted in side fixed plate 56 is, when scraper bowl encounters boulder, the triggering for the effect that is under pressure Plate 7 will will drive after T-shaped plate 27 first moves a distance along sliding groove 21, T-shaped plate 27 at this time will compression hydraulic capsule 25, from And the hydraulic oil in hydraulic bag 25 is pressed into first hydraulic cylinder 15 and second hydraulic cylinder 18, so that telescopic device 1 will Unlock, the telescopic device 1 after unlock can be in order to the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl Article the 12, the 5th scraper bowl article 13, the dispersion movement of the 6th scraper bowl article 14；Certain angle is rotated around shaft 30 under the action of stone again Degree, have this angle presence can so that stone to trigger board 7 one along 1 one component effects of telescopic device so that First scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 It scatter and excavates boulder；Two shafts 30 are symmetrically mounted on 27 side of T-shaped plate, and two shafts 30 are matched with sliding groove 21 On the one hand the effect of conjunction guides T-shaped plate 27 to slide in sliding groove 21, on the other hand rotate convenient for T-shaped plate 27；Peace in elongated slot 23 Equipped with scroll spring 31,31 inner end of scroll spring is mounted in shaft 30, outer end be equipped with the second T-shaped block 29 effect be to turn 30 1 restoring force effects of axis；First spring, 28 one end is mounted on 24 inner face of the second T-slot, and the other end is mounted on the 2nd T Active force when effect on shape block 29 is to 27 1 returns of T-shaped plate；Hydraulic bag 25 is mounted on 26 end face of rotating drum, and liquid The effect that pressure capsule 25 and T-shaped plate 27 cooperate is storage hydraulic oil.

The effect of telescopic device 1 is the first scraper bowl article 8 of connection, the second scraper bowl article 10, third scraper bowl article 11, the in the present invention Four scraper bowls article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14；32 inner headed face of telescopic symmetrically opens that there are two what is be not penetrated first to lead The effect of slot 40 is slidably matched with the first guide block 41 formation on telescopic rod 34；The effect that 32 one end of telescopic is provided with the conical surface is It is moved on telescopic 32 convenient for the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14；Third spring 38 is located at flexible In set 32,38 one end of third spring is mounted on 32 inner face of telescopic, and the other end is mounted on the effect on 34 end face of telescopic rod It is to give telescopic rod 34 1 restoring force effects.

The effect of Telescopic Fixed device 4 is connection the first scraper bowl item 8, the second scraper bowl item 10, third scraper bowl item in the present invention 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 and the first trunnion 3 and the second trunnion 2；Three the first T-shaped blocks 19 are separately mounted to the first scraper bowl item 8, the second scraper bowl item 10, the effect on 11 side wall of third scraper bowl item are and the second fixed link 49 On third T-slot 50 be slidably matched；Three third T-shaped blocks 55 are separately mounted to the 4th scraper bowl article 12, the 5th scraper bowl article 13, Effect on six scraper bowl items, 14 side wall is slidably matched with the first T-slot 45 formation in the first fixed link 46；Connecting plate 43 1 It is to install slide bar 44 that end, which is mounted on the effect of 49 upper surface of the second fixed link,；First fixed link 46 opens 45 end of the first T-slot The effect that limit plate 42 is equipped on face is movement in order to limit third T-shaped block 55；Second fixed link 49 opens third T-slot 50 The effect that limit plate 42 is equipped on end face is movement in order to limit the first T-shaped block 19；Spring is installed in hydraulic bag 25 Effect is to give hydraulic bag 25 1 restoring forces, so that first hydraulic cylinder 15 and the hydraulic oil in second hydraulic cylinder 18 be sucked out； The effect identical with the size of the second limiting slot 37 of first limiting slot 33 is easy for limit square insertion；Wirerope 9 does not have Playing the role of any elasticity is so that the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article the 12, the 5th Scraper bowl article 13, the 6th scraper bowl article 14 are uniformly dispersed.

Specific embodiment is, when boulder is encountered in power shovel, telescopic rod 34 at this time is in compressive state, The limit square installed in first hydraulic cylinder 15 and second hydraulic cylinder 18 will be inserted in the first limiting slot 33 and the second limiting slot In 37, the limit square installed in first hydraulic cylinder 15 and second hydraulic cylinder 18 at this time will will limit the movement of telescopic rod 34, So that telescopic device 1 does not work, idle telescopic device 1 will make the first scraper bowl article 8, the second scraper bowl article 10, Three scraper bowls article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 will not scatter, so that excavating small It can work normally when stone or soil；When power shovel encounters boulder, trigger board 7 at this time will be under pressure Effect, the trigger board 7 for the effect that is under pressure will be moved into sliding groove 21, when T-shaped plate 27 is contacted with hydraulic bag 25, be continued Move downward will compression hydraulic capsule 25, by the hydraulic oil in hydraulic bag 25 by hose indentation first hydraulic cylinder 15 and the second liquid In cylinder pressure 18, so that limit square in first hydraulic cylinder 15 and second hydraulic cylinder 18 is from the first limiting slot 33, the second limiting slot It is shifted out in 37, telescopic device 1 at this time will be released from flexible, and telescopic device 1 will can be with free extension, the first scraper bowl item 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 will can be It is slided on telescopic device 1, such power shovel size will become larger, so that the function of boulder can be dug by reaching this equipment； In the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article During 14 dispersions, it is mounted on the first scraper bowl item 8, the second scraper bowl item 10, the first T-shaped block 19 on 11 side wall of third scraper bowl item Third T-slot 50 of the meeting in the second fixed link 49 slides；It is mounted on the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl Three T-shaped blocks on 14 side wall of item can be slided along the first T-slot 45 in the first fixed link 46；The second guide block on slide bar 44 simultaneously 54 will slide along the second guide groove 47；The slide bar 44 of movement will drive first gear 63 to rotate, and first gear 63 will drive Second gear 64 rotates, and second gear 64 drives the straight pin rotation of installation second gear 64；The cylinder of second gear 64 is installed Pin will will drive third gear 65 and rotate；Third gear 65 will drive rack 58 move, rack gear 58 will will drive fixed square plate 59 and the second T-slot on trunnion 2 slided along T-bar 61；So that 2 one end distance of the first trunnion 3 and the second trunnion；First 63 diameter of gear is equal to the diameter of third gear 65；The diameter of second gear 64 is that 2 times of effect of 63 diameter of first gear is, When slide bar 44 move S apart from when, it will drive first gear 63 rotate n circle, second gear 64 will rotate n/2 circle；Third tooth 65 rotation n/2 circle of wheel, so that the distance of the mobile S/2 of rack gear 61；It can guarantee the stress point of power shovel always in this way On the median plane of scraper bowl, in this way it may be said that making scraper bowl uniform force, the service life of bucket will be greatly reinforced；At this time Scraper bowl will boulder excavate get up；After excavator complete boulder, the telescopic rod 34 under the action of third spring 38 It will be drawn into telescopic 32, while drive the first scraper bowl article 8, the second scraper bowl article 10, third scraper bowl article 11, the 4th scraper bowl article 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14, the 4th scraper bowl article 12 at this time, the 5th scraper bowl article 13, on the 6th scraper bowl article 14 Supporting block 36 will be moved on telescopic rod 34 by the conical surface on telescopic 32, and the effect of supporting block 36 is the 4th scraper bowl of support Article the 12, the 5th scraper bowl article 13, the 6th scraper bowl article 14 are on telescopic rod 34；Trigger board 7 is in the first spring 28 and scroll spring 31 It is restored under effect on original position；Hydraulic oil in first hydraulic cylinder 15 and second hydraulic cylinder 18 will be sucked out for hydraulic bag 25 Come, limit square is allowed to limit the movement of telescopic device 1；The power shovel in the present invention is allowed to continue to dig Dig work.

Claims (6)

1. a kind of trunnion movable type power shovel of space variable, it is characterised in that: it includes telescopic device, second Ear, the first trunnion, Telescopic Fixed device, limit annulus, fixed square plate, lateral board mechanism, the first scraper bowl item, wirerope, the second shovel Bucket article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article, first hydraulic cylinder, the first support plate, second Fagging, accommodates square groove, the second square groove, third guide groove, second spring, supporting block, third guide block at second hydraulic cylinder, wherein first Scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, open on the 6th scraper bowl article side there are two Through-hole；First scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article are successively pacified On two telescopic devices；The both ends of two telescopic devices are mounted on limit annulus；Two Telescopic Fixed devices up and down according to It is secondary to be mounted on the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article outer wall On；T-slot is provided on two the first trunnions and the second trunnion；Two the first trunnions are mounted in fixed square plate；Fixed square plate It is mounted on the Telescopic Fixed device on the upside of the first scraper bowl item；Second trunnion is mounted on stretching on the downside of the first scraper bowl item It contracts on fixed device；First scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl It is sequentially connected between item by wirerope；Two lateral board mechanisms are separately mounted between the first scraper bowl article and the 6th scraper bowl article；The One support plate is mounted on the 4th scraper bowl article side；First hydraulic cylinder is mounted in the first support plate end face, and first hydraulic cylinder One end is equipped with limit square；The limit square being mounted in first hydraulic cylinder is matched with the telescopic device close to Telescopic Fixed device It closes；Second support plate is mounted on the 4th scraper bowl article；Second hydraulic cylinder is mounted in the second support plate end face, and second hydraulic cylinder One end is equipped with limit square；The limit square being mounted in second hydraulic cylinder is matched with the telescopic device far from Telescopic Fixed device It closes；Opened on third scraper bowl side there are two accommodate square groove, two receiving square grooves respectively with first hydraulic cylinder and second hydraulic cylinder Cooperation；4th scraper bowl article, the 5th scraper bowl article, the structure of the 6th scraper bowl article are identical, the interior structure installed of the 4th scraper bowl article, the 5th Structure, the interior structure installed of the 6th scraper bowl article installed in scraper bowl article are identical, for the 4th scraper bowl article, the 4th scraper bowl Second square groove there are two symmetrically being opened on the through-hole inner headed face opened on item；The structure of two the second square grooves is identical, two second party The structure installed in slot is also identical, for wherein any one, symmetrically open that there are two thirds on the second square groove two sides Guide groove；Two third guide blocks are symmetrically mounted on supporting block side；Supporting block is pacified by the cooperation of third guide block and third guide groove In the second square groove；Two second springs are respectively positioned in the second square groove；Second spring one end is mounted on the second square groove end face, The other end is mounted on supporting block end face；

Above-mentioned lateral board mechanism includes sliding groove, side fixed plate, swivelling chute, elongated slot, trigger board, the second T-slot, hydraulic bag, rotation Chamber, T-shaped plate, the first spring, the second T-shaped block, shaft, scroll spring, wherein fixed plate one end in side is provided with sliding groove；Side fixed plate Elongated slot there are two symmetrically opening is provided on the end face of sliding groove, and two elongated slots are communicated with sliding groove；Elongated slot is provided with two on side Hold the second T-slot being not penetrated；Elongated slot is provided with rotating drum on end face；Side is provided with swivelling chute, and swivelling chute on fixed plate side It is communicated with rotating drum and sliding groove；T-shaped plate is mounted on trigger board one end, and trigger board is coupled by T-shaped plate and sliding groove In the fixed plate of side；Two shafts are symmetrically mounted on T-shaped plate side, and two shafts cooperate with sliding groove；Peace in elongated slot Equipped with scroll spring, scroll spring inner end is mounted in shaft, and outer end is equipped with the second T-shaped block；Scroll spring outer end passes through the Two T-shaped blocks are fitted in the fixed plate of side with the second T-slot；First spring, the first spring 1 are installed in second T-slot End is mounted on the second T-slot inner face, and the other end is mounted in the second T-shaped block；Hydraulic bag is mounted on rotation resonator end surface, and Hydraulic bag and T-shaped plate cooperate；Hydraulic bag is connected by hose with first hydraulic cylinder and second hydraulic cylinder；

Above-mentioned telescopic device includes telescopic, the first limiting slot, telescopic rod, the second limiting slot, third spring, the first guide groove, One guide block, wherein telescopic inner headed face symmetrically opens that there are two the first guide grooves for being not penetrated；The first limit is provided on telescopic periphery Position slot；The second limiting slot is provided on telescopic rod periphery, and the second limiting slot and the first limiting slot cooperate；Telescopic one end is provided with The conical surface；Two the first guide blocks are symmetrically mounted on the periphery of telescopic rod one end；Telescopic rod passes through the first guide block and the first guide groove Be fitted on telescopic；Third spring is located in telescopic, and third spring one end is mounted on telescopic inner face, separately One end is mounted in flexible rod end surface；

Above-mentioned first scraper bowl item, the second scraper bowl item, third scraper bowl item are sequentially arranged on telescopic；4th scraper bowl article, the 5th shovel Bucket article, the 6th scraper bowl article are sequentially arranged on telescopic rod；Three supporting blocks are engaged with telescopic rod periphery；

Above-mentioned Telescopic Fixed device includes the first T-shaped block, the first stop block, rack gear, gear mounting groove, T-bar, the second restraint Block, first gear, second gear, third gear, third T-shaped block, limit plate, connecting plate, slide bar, the first T-slot, first are fixed Bar, the second guide groove, the first square groove, the second fixed link, third T-slot, the second guide block, wherein three the first T-shaped blocks are installed respectively On the first scraper bowl item, the second scraper bowl item, third scraper bowl side wall；Three third T-shaped blocks are separately mounted to the 4th scraper bowl article, On five scraper bowls article, the 6th scraper bowl article side wall；It is provided with the first T-slot being not penetrated in first fixed rod end surface, the first fixed link is logical That crosses the first T-slot and third T-shaped block is fitted to the 4th scraper bowl article, the 5th scraper bowl article, on the 6th scraper bowl article；First is fixed Bar, which is provided on the end face of the first T-slot, is provided with the first square groove, is symmetrically opened on the first square groove two sides there are two the second guide groove；First Gear mounting groove is provided on square groove end face, and the second guide groove is vertical with gear mounting groove；It is provided in second fixed rod end surface and does not pass through Logical third T-slot, the second fixed link are fitted to the first scraper bowl item, second are shoveled by third T-slot and the first T-shaped block On bucket item, third scraper bowl item；One end of the connection board is mounted on the second fixed link upper surface；Two the second guide blocks are symmetrically mounted on slide bar On the two sides of one end；Slide bar is provided with tooth on side；Slide bar is mounted in connection plate end face far from second guide block one end, and slide bar is another End is slidably matched by the second guide block and the second guide groove；First fixed link is opened and is equipped with limit plate on the first T-slot end face；Second Fixed link is provided on the end face of third T-slot and is equipped with limit plate；T-bar is mounted on the first fixed link；Two the first trunnions with Second trunnion passes through being coupled for the T-slot and T-bar opened thereon；First gear is mounted on gear installation by straight pin In slot, and first gear is engaged with institute's tooth punching on slide bar；Second gear is mounted on T-bar side by straight pin, and second Gear is engaged with first gear；Third gear is mounted on fixed second gear straight pin；Fixed square plate and the second trunnion end face On be mounted on rack gear, rack gear is engaged with third gear；First gear diameter is equal to the diameter of third gear；Second gear it is straight Diameter is 2 times of first gear diameter；First stop block and the second stop block are separately mounted to T-bar both ends；

Spring is installed in above-mentioned hydraulic bag；

Be provided on above-mentioned telescopic and be provided with the effect of the second limiting slot on the first limiting slot and telescopic rod and be, when power shovel not When encountering boulder, telescopic rod at this time is in compressive state, the limit square installed in first hydraulic cylinder and second hydraulic cylinder It will be inserted in the first limiting slot and the second limiting slot, the limit side installed in first hydraulic cylinder and second hydraulic cylinder at this time Block will will limit the movement of telescopic rod, so that telescopic device does not work, idle telescopic device will make the first shovel Bucket article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article will not scatter, thus It can work normally when so that excavating small stone or soil；When power shovel encounters boulder, trigger board at this time will Will receive pressure effect, the trigger board for the effect that is under pressure will move into sliding groove, thus will compression hydraulic capsule by liquid Intracapsular hydraulic oil is pressed to be pressed into first hydraulic cylinder and second hydraulic cylinder by hose, so that first hydraulic cylinder and second hydraulic cylinder On limit square be shifted out out of the first limiting slot, the second limiting slot respectively, telescopic device at this time will be released from it is flexible, Telescopic device will can be with free extension, the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl Article, the 6th scraper bowl article can will be slided on telescopic device, such power shovel size will become larger, and originally set to reach The standby function that can dig boulder.

2. a kind of trunnion movable type power shovel of space variable according to claim 1, it is characterised in that: above-mentioned First spring is adjustable spring.

3. a kind of trunnion movable type power shovel of space variable according to claim 1, it is characterised in that: above-mentioned Successively as above-mentioned first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, the 5th scraper bowl article, the 6th scraper bowl article The alternative being mounted on two telescopic devices is, the first scraper bowl article, the second scraper bowl article, third scraper bowl article, the 4th scraper bowl article, 5th scraper bowl article, the 6th scraper bowl article are sequentially arranged on three telescopic devices.

4. a kind of trunnion movable type power shovel of space variable according to claim 1, it is characterised in that: above-mentioned Shaft is cooperated by bearing and sliding groove.

5. a kind of trunnion movable type power shovel of space variable according to claim 1, it is characterised in that: above-mentioned First limiting slot is identical as the size of the second limiting slot.

6. a kind of trunnion movable type power shovel of space variable according to claim 1, it is characterised in that: above-mentioned Wirerope does not have any elasticity.