CN207660022U

CN207660022U - A kind of broken rock device

Info

Publication number: CN207660022U
Application number: CN201721529240.6U
Authority: CN
Inventors: 凌夕珈
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-25
Filing date: 2017-11-15
Publication date: 2018-07-27
Anticipated expiration: 2027-11-15
Also published as: US20200332495A1; CN208363154U; CN108487347B; CN108487347A; WO2019080897A1; CN107780455A

Abstract

The utility model provides a kind of broken rock device, belong to engineering machinery field, this broken rock device includes large arm, forearm, dipper cylinder, ridge buster cylinder and ridge buster, broken rock device is for being equipped on excavator, large arm has first end, forearm has the second end being oppositely arranged and third end, large arm and forearm are articulated with by axis pin in the middle part of forearm, one end of dipper cylinder is articulated with top position in the middle part of large arm, the other end of dipper cylinder is articulated with the position of the second end of forearm, the third end of forearm is hinged close to middle and lower part position with ridge buster, the other end of ridge buster is hinged with the other end of ridge buster cylinder, the volume of ridge buster is more than the volume of forearm；The weight of ridge buster is more than the weight of forearm, and the weight of ridge buster is more than the weight of large arm, and the weight of ridge buster accounts for 30%-the 70% of broken rock device total weight.Optimizing recoil strength of center of gravity Forward when to broken rock can absorb and apply preferably impact to rock well, and can mitigate the damage to machine.

Description

A kind of broken rock device

Technical field

The utility model is related to engineering machinery fields, in particular to a kind of broken rock device.

Background technology

In current mechanical rock breaking field, mainly carry out brokenly adopting work using ridge buster in rock stratum without high hardness is broken and adopted Industry is mainly equipped on excavator and bull-dozer, the broken rock machine being also likely to occur in the future.

Wherein excavator carry ridge buster be widely used, mainly by excavator carry large arm, forearm, ridge buster and It pushes oil cylinder to complete, we large arm, forearm, ridge buster and its push the device of oil cylinder composition to call broken rock dress herein It sets, above-mentioned broken rock device has flexibility ratio high, and structure is reliable and is widely adopted.

In addition, also there is a kind of device for the not forearm being referred to as integrated arm at present, ridge buster weight is relatively Greatly, impact effect is good, but due to not having forearm and flexibility ratio is poor.

During ridge buster breaks and adopts in the rock stratum that actual use broken rock device carries out, using effect mainly enters thrum by ridge buster This four big factor of degree, strength, impact force and energy loss determines, does with regard to impact force illustrate herein, impact force refer to Driver utilizes generated power when being tapped made by harder rock stratum of the ridge buster to layering when ridge buster operation.In existing skill It is more representational such as the patent No. in art：CN205604316L1、CN103669452A、CN204225180L1、 CN203080578L1、CN204475386L1.Apparatus above mainly improves strength by the change of torque and the increase of weight, And has and preferably enter thrum degree to improve rock breaking efficiency, but since ridge buster weight is shared in broken rock installation weight Ratio is small, and weight is relatively small, to which impact force is relatively small, causes making additionally, due to ridge buster oil cylinder setting angle problem Reaction force passes to the large percentage of oil cylinder and leads to larger energy loss when industry.

Ridge buster does not include the device with the functional facility such as motor and piston such as high frequency hammer, quartering hammer, but one Kind usually with bucket tooth, there are two the structural members of the above hinge point, for rupturing pan soil and less hard rock stratum.

In general, the percussion action of equipment is not advocated in the use of excavator, but it is right in the work of practical broken rock The percussion action that rock stratum imposes certain amplitude often has, and very good to rock breaking efficiency, the damage to machine be it is controllable, In order to promote rock breaking efficiency and reduce the damage to machine, ridge buster weight is the bigger the better.

In a practical situation, the weight of broken rock device is limited, then we pass through to ridge buster, forearm, large arm The optimization of weight ratio and volume ratio makes ridge buster proportion bigger, to promote effect of optimization.

In short, main problem existing in theprior art is the weight ratio and volume ratio of ridge buster, forearm, large arm Distribute bad, oil cylinder setting angle is unfavorable for broken rock.

Utility model content

The utility model provides a kind of broken rock device, it is intended to solve above-mentioned existing for broken rock device in the prior art ask Topic.

In the distribution of specific large arm, forearm, the weight ratio of ridge buster and volume ratio, the distribution of ridge buster weight is answered For maximum, and due to structural relation problem, if large arm weight minimum is made to be difficult to accomplish in fact, forearm just becomes weight It is most light, mainly consider intensity and flexibility in use the problem of, in terms of volume, due to the needs of structure function, large arm It needs to ensure certain functional space range, needs larger volume, and forearm can accomplish minimum by structure optimization, pine Earthenware due to weight need and volume is relatively large, ridge buster oil cylinder arrangement on, angle, which has also been made, further to be optimized and subtracts Energy loss is lacked.

In addition, since ridge buster volume is larger, some functional devices can also be increased on it and subtracted in favor of broken rock Lack the extra device such as ridge buster connecting rod and advanced optimizes structure.

The utility model is realized in this way：

A kind of broken rock device comprising large arm, forearm, dipper cylinder, ridge buster cylinder and ridge buster, broken rock device is for taking It is loaded in excavator, the excavator has top car body, and the top car body rotatable connection is in lower part car body, the lower part car body With walking mechanism, which is characterized in that there is large arm first end, forearm to have the second end being oppositely arranged and third end, large arm Be articulated in the middle part of forearm by axis pin with forearm, one end of dipper cylinder is articulated with top position in the middle part of large arm, dipper cylinder it is another End is articulated with the position of the second end of forearm, and the third end of forearm is hinged close to middle and lower part position with ridge buster, ridge buster it is another One end and the other end of ridge buster cylinder are hinged, and the volume of ridge buster is more than the volume of forearm；The weight of ridge buster is more than forearm Weight, the weight of ridge buster are more than the weight of large arm, and the weight of ridge buster accounts for 30%-the 70% of broken rock device total weight.

It should be noted that the middle part in the utility model is refered in particular at half, can be near half Interval range.

In a kind of embodiment of the utility model, ridge buster is solid construction.

In a kind of embodiment of the utility model, ridge buster has the first space, and being provided with first in the first space fills out Fill object.

In a kind of embodiment of the utility model, ridge buster is removably provided with for adjusting matching for ridge buster weight Pouring weight, when ridge buster carries clump weight, the total weight of ridge buster and clump weight accounts for 40%-the 75% of broken rock device total weight.

In a kind of embodiment of the utility model, ridge buster has for direct broken rock or installs the broken rock portion of bucket tooth, Clump weight is located at top of the ridge buster far from broken rock portion.

In a kind of embodiment of the utility model, clump weight is arranged in ridge buster both sides.

In a kind of embodiment of the utility model, the second articulated section of forearm is provided at least two groups hinge hole.

In a kind of embodiment of the utility model, ridge buster cylinder is set as two, and is located at ridge buster and forearm side Portion.

In a kind of embodiment of the utility model, ridge buster is hinged by the first axle sleeve and forearm, is arranged on ridge buster Promising axle sleeve provides the lubrication hole of lubricating oil, is additionally provided at the first axle sleeve for sealing the oil sealing for staying lubricating oil.

In a kind of embodiment of the utility model, ridge buster cylinder is set as one, is located at the top of ridge buster and forearm.

In a kind of embodiment of the utility model, the hinged place of ridge buster cylinder and forearm is the first articulated shaft, ridge buster The hinged place of cylinder and ridge buster is the second articulated shaft, and the hinged place of forearm and ridge buster is third articulated shaft, and broken rock device is being transported During row, the line and the first articulated shaft of the first articulated shaft to the second articulated shaft to the angle energy between the line of third articulated shaft Enough reach 60 ° or more.

In a kind of embodiment of the utility model, exciting device is provided on ridge buster.

In a kind of embodiment of the utility model, the volume of ridge buster is between 1.8 times to 4.5 times of forearm volume.

In a kind of embodiment of the utility model, the weight of ridge buster is between 1.2 times to 2.7 times of large arm.

In a kind of embodiment of the utility model, the weight of large arm is between 1.4 times to 3.1 times of forearm weight.

In a kind of embodiment of the utility model, the volume of large arm is between 1.6 times to 4.2 times of forearm volume.

In a kind of embodiment of the utility model, in the process of running, first articulated shaft is described in for broken rock device The line of second articulated shaft and first articulated shaft are maximum to minimum 45 ° of angle between the line of the third articulated shaft It is 130 °.

It may be noted that minimum 45 ° of the above angle, maximum 140 ° refer in set angle, and minimum is not less than 45 °, most It is big to be not more than 140 °, rather than it is provided simultaneously with 45 ° minimum, 140 ° of maximum.

In a kind of embodiment of the utility model, in the process of running, first articulated shaft is described in for broken rock device The line of second articulated shaft and first articulated shaft are maximum to minimum 70 ° of angle between the line of the third articulated shaft It is 110 °.

In a kind of embodiment of the utility model, which is characterized in that the hinged place of ridge buster cylinder and forearm is the first hinge Spindle；The hinged place of ridge buster cylinder and ridge buster is the second articulated shaft, and the hinged place of forearm and ridge buster is third articulated shaft, is broken Rock device in the process of running, the line of the line and the first articulated shaft of the first articulated shaft to the second articulated shaft to third articulated shaft Between minimum 45 ° of angle, be up to 140 °.

In a kind of embodiment of the utility model, forearm is solid construction.

In a kind of embodiment of the utility model, the hinged place of ridge buster cylinder and forearm is the first articulated shaft；Forearm with The hinged place of ridge buster is third articulated shaft；The hinged place of large arm and forearm is the 4th articulated shaft, the first articulated shaft to the 4th hinge The distance of spindle is the 4th articulated shaft to 0.7 to 1.3 times of the distance of third articulated shaft.

In a kind of embodiment of the utility model, the hinged place of forearm and ridge buster is third articulated shaft；Large arm with it is small The hinged place of arm is the 4th articulated shaft；The hinged place of dipper cylinder and forearm is the 5th articulated shaft；5th articulated shaft is hinged to the 4th The distance of axis is the 4th articulated shaft to 0.9 to 1.4 times of the distance of third articulated shaft.

The utility model has the beneficial effects that：

One, the flexibility ratio that ensure that broken rock device by the design of large arm, forearm, ridge buster and oil cylinder, eliminates common Ridge buster in connecting rod, it is just enough for broken rock, realize the more excellent combination of flexibility ratio and energy loss, and do not reduce The smooth feeling of operation.

Two, ridge buster weight accounts for the 30%-70% of total weight, has advanced optimized center of gravity Forward degree and has possessed more preferable Broken rock impact force, and advantageously reduce the damage to excavator or broken rock machine.And specific ridge buster weight has respectively Different Pros and Cons can further increase rock breaking capacity by increasing ridge buster weight accounting, suitably reduce ridge buster Weight accounting can improve operability.

Three, the oil cylinder layout of the utility model mainly solves digging force and flexibility ratio, and ridge buster has more preferable when excavating Digging force, spatial position is more reasonable, in addition when being impacted to rock, reduces to the impact injury of oil cylinder, and then reduce Damage to machine.

It four, can be according to different operating modes by the way that two groups of hinge holes are arranged on the second articulated section：Set different speed and Digging force.

Five, forearm solid ensures its intensity while being the volume in order to reduce forearm, and then realizes forearm volume most Smallization leaves greater room for ridge buster, is conducive to the setting of ridge buster weight.

Six, ridge buster volume be more than forearm be in order to have better center of gravity Forward degree and make ridge buster weight bigger, into And there is better impact force.

Seven, different rock stratum hardness is met by the increase and decrease of clump weight, is done between rock breaking efficiency energy saving well Go out balance, advanced optimizes operating efficiency.

Eight, the optimization that weight realizes weight ratio is increased by ridge buster, and the volume of ridge buster can be more than forearm The movement leaving space of ridge buster.

Nine, use the form that the first filler is filled that the weight of ridge buster is made to account for 30% or more of broken rock device total weight Production cost can effectively be reduced.

Ten, make ridge buster that there is exciting force by the installation of exciting device, in favor of broken rock.

11, different forearms installation point designs are provided in the present invention so that forearm can in operating characteristics and It is chosen between broken rock performance.

Description of the drawings

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not The restriction to range is should be considered as, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is structural schematic diagram of the broken rock device of the offer of the utility model embodiment one under the first visual angle；

Fig. 2 is structural schematic diagram of the broken rock device of the offer of the utility model embodiment one under the second visual angle；

Fig. 3 is the structural schematic diagram at the first visual angle of the forearm that the utility model embodiment one provides；

Fig. 4 is the structural schematic diagram for the ridge buster that the utility model embodiment one provides；

Fig. 5 is that the utility model embodiment three provides the structural schematic diagram of broken rock device when in use；

Fig. 6 is the structural schematic diagram that the ridge buster that the utility model embodiment provides is equipped with clump weight；

Fig. 7 is the structural schematic diagram for the broken rock device that the ridge buster that the utility model embodiment provides is equipped with clump weight；

Fig. 8 is the structural schematic diagram for the broken rock device that the utility model embodiment four provides；

Fig. 9 is that the utility model embodiment four provides the structural schematic diagram of broken rock device when in use；

Figure 10 is the structural schematic diagram for the broken rock device that the utility model embodiment five provides；

Figure 11 is that the utility model embodiment five provides the structural schematic diagram of broken rock device when in use；

Figure 12 is that the ridge buster that the utility model embodiment two provides is hollow, forearm is solid broken rock device structure Schematic diagram；

Figure 13 is the structural schematic diagram of ridge buster in Figure 12；

Figure 14 is the structural schematic diagram at the second visual angle of the forearm in Figure 12；

Figure 15 be in Figure 14 A-A to sectional view；

Figure 16 is the structural schematic diagram at the third visual angle of the forearm in Figure 12；

Figure 17 is the sectional view of B-B direction in Figure 14；

Figure 18 is that the ridge buster that the utility model embodiment two provides is hollow, forearm is hollow broken rock device structure Schematic diagram；

Figure 19 is the structural schematic diagram at the first visual angle of the forearm in Figure 18；

Figure 20 be in Figure 19 C-C to sectional view；

Figure 21 be in Figure 19 D-D to sectional view；

Figure 22 is the structural schematic diagram at the second visual angle of the forearm in Figure 18；

Figure 23 be in Figure 22 E-E to sectional view；

Figure 24 is the structural schematic diagram at the first visual angle of the ridge buster in Figure 18；

Figure 25 be in Figure 24 F-F to sectional view；

Figure 26 is the structural schematic diagram at the second visual angle in Figure 18；

Figure 27 be in Figure 24 G-G to sectional view；

It is hollow, forearm is that hollow broken rock device installation is matched that Figure 28, which is the ridge buster that the utility model embodiment two provides, Structural schematic diagram when pouring weight；

It is hollow, forearm is that hollow broken rock device installation swashs that Figure 29, which is the ridge buster that the utility model embodiment two provides, Structural schematic diagram when vibrating device；

The knot of broken rock device when Figure 30 is in the first axle sleeve in the utility model, oil sealing and lubrication hole setting to ridge buster Structure schematic diagram；

It is that the line of the first articulated shaft to the second articulated shaft and the first articulated shaft are cut with scissors to third that Figure 31, which is in the utility model, The structural schematic diagram of broken rock device of angle when between 95 ° -135 ° between the line of spindle.

Icon：1- broken rock devices；2- large arm；3- forearms；4- dipper cylinders；5- ridge buster cylinders；6- ridge busters；7- complete machines；8- Excavator；21- first ends；22- forearm mounting grooves；The first mounting walls of 23-；The second mounting walls of 24-；25- forearm mounting holes；26- Extrados；27- intrados；The first articulated sections 28-；The 5th articulated sections 29-；The first faces 31-；The second faces 32-；33- forearms are hinged Portion；The second axle sleeves of 34-；36- second ends；37- thirds end；The first axle sleeves of 38-；39- oil sealings；The second articulated sections 42-；43- second Space；The first spaces 44-；51- first connecting portions；52- second connecting portions；55- thirds articulated section；The 4th articulated sections 56-；57- Bucket tooth；81- main bodys；82- crawler belts；83- large arm cylinders；61- ridge buster ontologies；62- extensions；63- ridge buster mounting holes； 65- Exciting device；9- trailers；64- clump weights；91- placement platforms.

Specific implementation mode

To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit claimed the scope of the utility model, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality With novel limitation.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level Height is less than second feature.

Embodiment one

Present embodiments provide a kind of broken rock device 1, referring to Fig. 1, this broken rock device 1 include large arm 2, forearm 3, Dipper cylinder 4, ridge buster cylinder 5 and ridge buster 6.

Large arm 2 has first end 21, and in the present embodiment, first end 21 is provided with for pacifying with the hinged forearm of forearm 3 Tankage 22.Forearm mounting groove 22 has the first mounting wall 23 and the second mounting wall 24, in the first mounting wall 23 and the second mounting wall 24 are both provided with forearm mounting hole 25, the forearm installation on the forearm mounting hole 25 and the second mounting wall 24 on the first mounting wall 23 Hole 25 is coaxially disposed.Coordinated by forearm mounting hole 25 and forearm 3 so that forearm 3 is articulated with first end 21 with large arm 2.

Forearm 3 has the first face 31 and the second face 32 being oppositely arranged, and the middle part of forearm 3 is provided with forearm articulated section 33, in the present embodiment, forearm articulated section 33 is by two the second 34 groups of axle sleeves between the first face 31 and the second face 32 At.The axis of two the second axle sleeves 34 is parallel to the first face 31 and the second face 32, and second axle sleeve 34 passes through a forearm to pacify Hole 25 is filled, another second axle sleeve 34 passes through another forearm mounting hole 25 so that forearm 3 is hinged with large arm 2.Second axle sleeve 34 By oil lubrication to minimize frictional force when ensureing that forearm 3 is rotated relative to large arm 2.Therefore outside the second axle sleeve 34 also It is arranged with oil sealing, is leaked out to avoid lubricating oil.

Forearm 3 has the second end 36 being oppositely arranged and third end 37.It is provided in the end point at the third end 37 of forearm 3 Ridge buster mounting portion, there are two the first axle sleeves (not shown directly in the present embodiment) for setting on ridge buster mounting portion, by ridge buster 6 On corresponding aperture be socketed in first axle and put on the third end 37 that ridge buster 6 can be hinged on to forearm 3.

Ridge buster 6 includes ridge buster ontology 61 and extension 62, in the present embodiment, extension 62 and ridge buster ontology 61 It is integrally formed.Wherein ridge buster ontology 61 is ridge buster 6 close to the part at third end 37, and extension 62 is ridge buster 6 close to the The part at two ends 36.There is first connecting portion 51 on ridge buster ontology 61, two blocks of wing plates are provided in first connecting portion 51, every A ridge buster mounting hole 63 is each provided on block wing plate, it is another by a first axle set across a ridge buster mounting hole 63 Ridge buster 6 can be hinged on the third end 37 of forearm 3 across another ridge buster mounting hole 63 by a first axle set.Two coaxial The first axle sleeve formed third articulated shaft, ridge buster 6 and forearm 3 can be relatively rotated around third articulated shaft.In order to ensure first The lubrication of axle sleeve and ridge buster mounting hole 63 coordinates, and lubrication hole (not shown) is additionally provided on ridge buster 6, and lubrication hole connects Logical first axle sleeve outer wall and the external world can easily be moistened to addition between the first axle sleeve and ridge buster mounting hole 63 by lubrication hole Synovia.

In the present embodiment, large arm 2 is arc-shaped, and large arm 2 has extrados 26 and intrados 27, in extrados 26 Portion is provided with the first articulated section 28.First articulated section 28 is made of two blocks of parallel wing plates, and first is formed between two blocks of wing plates The one end in hinged space, dipper cylinder 4 is placed in the first hinged space, and hinged with the first articulated section 28.

First face 31 of the second end 36 of forearm 3 is provided with the second articulated section 42, the second articulated section 42 is parallel by two pieces Wing plate constitute, the second hinged space is formed between two blocks of wing plates, one end far from the first hinged space of dipper cylinder 4 is accommodating It is hinged in the second hinged space, and with the second articulated section 42.It is 2 sections of the first large arm between first end 21 and the first articulated section 28, It is 3 sections of the first forearm between second end 36 and the second articulated section 42, the first 2 sections of large arm, 3 sections of the first forearm are formed with dipper cylinder 4 Three sides of triangle, triangle are hinged and 4 length of dipper cylinder is variable, therefore under the drive of 4 length of dipper cylinder variation, the Variable-angle between 2 sections of one 3 sections of forearm and the first large arm, you can pass through the flexible come so that forearm 3 rotates of dipper cylinder 4.

It should be noted that in the present embodiment, the second articulated section 42 is provided with two groups of hinge holes so that dipper cylinder 4 One end far from the first hinged space can select any one group of hinge hole hingedly to adjust the arm of force.

The second end 36 of forearm 3 is provided with third articulated section 55, in the present embodiment, third articulated section 55 is flat by two pieces Capable wing plate is constituted, and is formed third between two blocks of wing plates and is hinged space, one end of ridge buster cylinder 5 is placed in the hinged sky of third Between, and it is hinged by articulated shaft of the first articulated shaft with third articulated section 55, i.e., forearm 3 and ridge buster cylinder 5 can be hinged around first Axis relatively rotates.There is second connecting portion 52 in the one end of extension 62 far from ridge buster ontology 61, set in second connecting portion 52 It is equipped with the 4th articulated section 56, the 4th articulated section 56 is made of two blocks of parallel wing plates, and it is hinged that the 4th is formed between two blocks of wing plates Space, one end that the separate third of ridge buster cylinder 5 is hinged space are placed in the 4th hinged space, and with the 4th articulated section 56 with Second articulated shaft is hinged for articulated shaft, i.e., ridge buster cylinder 5 and ridge buster 6 can be relatively rotated around the second articulated shaft.

First connecting portion 51 is more than the brachium of forearm 3 to the distance of second connecting portion 52 so that ridge buster 6 is than forearm 3 Volume bigger, the weight of ridge buster 6 is also than 3 bigger of forearm.Ridge buster 6 is solid construction so that the weight of entire ridge buster 6 reaches The 30% of broken rock device 1 is arrived.In practical operation, can be reinforced to broken rock working region by the weight of ridge buster 6 Active force optimizes rock breaking efficiency.And the maximum arm of force that ridge buster 6 is acted on by ridge buster cylinder 5 is：First connecting portion 51 is to The line line segment of two interconnecting pieces 52.Therefore the line line that first connecting portion 51 arrives second connecting portion 52 is extended by extension 62 Section can optimize rock breaking efficiency with Lengthened moment arm, in the case where ridge buster cylinder 5 acts on same dynamics.

The design of ridge buster 6 is elongated by extension 62, the first articulated shaft to the line of the second articulated shaft and first are hinged Axis to the angle between the line of third articulated shaft can reach 60 ° or more, and (X angles as shown in Figure 7 are that the first articulated shaft arrives The line of second articulated shaft and the first articulated shaft are to the angle between the line of third articulated shaft), it, can be with the increase of X angles Increase the arm of force that ridge buster 6 moves, enhance broken rock impact force, and reduces broken rock force feedback to caused by ridge buster 6 and forearm 3 Damage.In the present embodiment, X angles are made to be changed within the scope of 95 ° -130 ° so that the movement of ridge buster 6 preferably controls, and pine Earthenware 6 has enough move distances.

In the present embodiment, the one end of ridge buster ontology 61 far from extension 62 is broken rock portion, is also set up in broken rock portion It is useful for acting on the bucket tooth 57 in broken rock face.In other embodiments, bucket tooth 57 can not also be set, and directly use broken rock portion Carry out broken rock operation.

In the present embodiment, large arm 2 is made of high strength steel, and 2 inside of large arm is hollow-core construction to mitigate the entirety of large arm 2 Weight；Forearm 3 is also made using high strength steel, but forearm 3 is solid construction, please refers to Fig.1 4- Figure 17.It is empty by large arm 2 The solid structure of the heart, forearm 3 makes the center of gravity of entire broken rock device 1 concentrate on forearm 3.In practical broken rock, 3 weight of forearm Amount acts on ridge buster 6, can increase active force of the ridge buster 6 to broken rock working region, improves rock breaking efficiency.

And ridge buster 6 is also the concentration that solid construction can further strengthen center of gravity, and the weight ratio large arm 2 of ridge buster 6 Weight is big, and also the weight than forearm 3 is big so that ridge buster 6 further increases the active force of broken rock working region.

It is bad in weight ratio distribution and the upper effect of volume ratio distribution in the prior art to solve by design as above Defect.

The application method of broken rock device 1 that the utility model embodiment provides is：

A. check whether lubricating oil is enough in each oil sealing；

B. control dipper cylinder 4 controls the angle between forearm 3 and large arm 2 so that ridge buster 6 is directed at broken rock working region；

C. the rotation of ridge buster 6 is controlled by controlling ridge buster cylinder 5, dipper cylinder 4 controls the folder between forearm 3 and large arm 2 Angle so that the bucket tooth 57 of ridge buster 6 exerts a force to broken rock working region.

The advantageous effect of the utility model embodiment is：

One, the flexibility ratio that ensure that broken rock device 1 by the design of large arm 2, forearm 3, ridge buster 6 and oil cylinder, eliminates Connecting rod in common ridge buster 6, it is just enough for broken rock, the more excellent combination of flexibility ratio and energy loss is realized, and The smooth feeling of operation is not reduced.

Two, 6 weight of ridge buster accounts for the 30% of total weight, has advanced optimized center of gravity Forward degree and has possessed preferably broken Rock impact force, and advantageously reduce the damage to excavator 8 or broken rock machine.

Three, the oil cylinder layout of the utility model mainly solves digging force and flexibility ratio, and ridge buster 6 has more when excavating Good digging force, spatial position is more reasonable, in addition when being impacted to rock, reduces the impact injury to oil cylinder, and then subtract Few damage to machine.

It four, can be according to different operating modes by the way that two groups of hinge holes are arranged on the second articulated section 42：Set different speed And digging force.

Five, forearm 3 solid ensures its intensity while being the volume in order to reduce forearm 3, and then realizes 3 volume of forearm It minimizes, greater room is left for ridge buster 6, be conducive to the setting of 6 weight of ridge buster.

Six, 6 volume of ridge buster be more than forearm 3 be in order to have better center of gravity Forward degree and make 6 weight bigger of ridge buster, And then there is better impact force.

It should be noted that large arm 2 in the prior art and forearm 3 are mainly hollow and filling, filling refers to passing through plate Material welds to form space, and the larger article body of proportion is then filled in space, is often used in the prior art, is filled in broken rock It sets 1 li mainly to increase weight, solid refers to not forming the space that can be used for filling.And it is solid mainly by monoblock steel plate by cutting It cuts processing or casting is formed, the minimum of volume is realized mainly under the conditions of proof strength.

Explanation is needed further exist for, oil sealing and axle sleeve are the prior art, and in the present invention, axle sleeve plays protection axis Holding reduces the effect of frictional force, and oil sealing plays the role of seal oil in storage area and regions of lubrication.Therefore it only needs Oil sealing in the prior art and axle sleeve are subjected to size design to be suitble to broken rock device 1 provided by the utility model.

In the present embodiment, dipper cylinder 4 and ridge buster cylinder 5 use telescoping hydraulic cylinder, dipper cylinder 4 and ridge buster cylinder 5 The length of control dipper cylinder 4 and ridge buster cylinder 5 can be facilitated by external fuel feed pump.

In the present embodiment, extension 62 is integrally formed with ridge buster ontology 61, in order to manufacture, in other embodiments Extension 62 is may be set to be to be detachably connected with ridge buster ontology 61, according to the formation hardness in practical broken rock region or The extension 62 of size selection installation different length and the ridge buster cylinder 5 of adaptation in broken rock region carry out broken rock.

In other embodiments, large arm 2 can not be arc, be set as bending type, can reduce manufacture difficulty, but big 2 intensity of arm can reduce；Can also be arranged to direct rod shape, further decrease manufacture difficulty, but between large arm 2 and forearm 3 from It can be reduced by degree, be not easy to forearm 3 and rotated relative to large arm 2.

Fig. 5 is that broken rock device 1 actually uses the structural schematic diagram on excavator 8, which includes excavator 8 and break Rock device 1.

Excavator 8 includes main body 81 and crawler belt 82, and crawler belt 82 is arranged in the lower end of main body 81, can be driven by crawler belt 82 Complete machine 7 moves integrally.

Broken rock device 1 is arranged in one end of excavator 8, and is connect with broken rock device 1 by large arm cylinder 83.

It is provided with the 5th articulated section 29 between the first end 21 and the first articulated section 28 of large arm 2, the first of large arm cylinder 83 End 21 is articulated with the 5th articulated section 29 with large arm 2, and the other end is hinged with main body 81 so that when main body 81 is motionless, passes through control The flexible rotation that can control large arm 2 of large arm cylinder 83 processed.

In the present embodiment, large arm cylinder 83 uses telescoping hydraulic cylinder, large arm cylinder 83 that can facilitate by external fuel feed pump Control the length of large arm cylinder 83.

Have each of broken rock device 1 due to being equipped with broken rock device 1 by complete machine 7 provided by the utility model Kind advantage increases the mobility of broken rock device 1 on this basis.

Since ridge buster 6 has longer length, in storing state, ridge buster 6 is easy contact ground, therefore is provided with Trailer 9 is to adapt to the transport of complete machine 7.There is trailer 9 placement platform 91, complete machine 7 to be placed on the placement platform 91 of trailer 9, lead to Cross the overall movement that trailer 9 realizes complete machine 7.

Embodiment two

A kind of broken rock device 1 is present embodiments provided, please refers to Fig.1 8, this broken rock device 1 is provided with embodiment one Difference lies in the second spaces 43 having in forearm 3 for broken rock device 1, and ridge buster 6 is interior to have the first space 44.

Please refer to Fig.1 9, Figure 20 and Figure 21, illustrate the side sectional view of forearm 3 shown in Figure 18, then please refer to Figure 22, Figure 23 illustrates the front section view of forearm 3 shown in Figure 18, can be seen that from each sectional view of forearm 3, in the present embodiment In, forearm 3 is set as hollow-core construction, forms second space 43 in forearm 3, the second filling can be arranged in second space 43 Object, can also indwelling be not filled with.Forearm 3 using it is solid be in order to further reduce volume in proof strength, in favor of Further increase 6 volume ratio leaving space of ridge buster.And forearm 3 be it is hollow primarily to mitigate weight, but make when Volume is reduced as possible under conditions of proof strength and work function.

Figure 24-Figure 27 is please referred to, is the sectional view of ridge buster 6 in Figure 18, as seen from the figure, in the present embodiment, ridge buster 6 It is set as hollow-core construction, forms the first space 44 in ridge buster 6, the first filling of setting in the first space 44 of ridge buster 6 Object can make broken rock equipment 1 have more preferably broken rock impact force using the first filler that proportion is larger.It is filled out by first Object is filled to ensure that the weight of ridge buster 6 accounts for the 30% of 1 total weight of broken rock device.The form that the first filler is filled is used to make pine What the weight of earthenware 6 accounted for 1 total weight of broken rock device 30% can effectively reduce production cost.And in installation exciting device 65 When, the motor in exciting device 65 can also be arranged in the first space 44, please refer to Figure 29.

, forearm 3 solid or hollow according to ridge buster 6 or it is hollow can by broken rock device 1 specifically combination such as following two kinds of feelings Condition：

1, such as in Figure 12, ridge buster 6 is hollow-core construction, and forearm 3 is solid construction；

2, such as in Figure 18, ridge buster 6 is hollow-core construction, and forearm 3 is also hollow-core construction.

2 and Figure 28 are please referred to Fig.1, clump weight 64 can also be set on ridge buster 6 in the present embodiment, specifically, matching Pouring weight 64 is installed to the top of ridge buster 6, i.e. clump weight 64 is installed to ridge buster 6 close to one end of dipper cylinder 4.Make counterweight Block 64 has longer movement travel to obtain larger kinetic energy in rock break-off process, and the kinetic energy act on broken rock region can be with Increase broken rock impact force.Meanwhile being installed to the clump weight 64 on 6 top of ridge buster so that when broken rock works, the center of gravity of clump weight 64 It is essentially coincided in the vertical direction with the center of gravity of ridge buster 6, impact force is further concentrated on broken rock region.

The independent view of ridge buster 6 in Figure 12 is as shown in figure 13, which has smaller broken rock portion, in broken rock The both sides in portion are provided with the first axle sleeve 38 for coordinating with forearm 3, and 38 side of the first axle sleeve is provided with oil sealing 39.Pass through Such setting can reduce the volume in broken rock portion so that ridge buster 6 can enter smaller region and carry out broken rock.

Simultaneously as the volume of ridge buster 6 is increased, and the ridge buster 6 in the present embodiment is hollow-core construction so that pine More corollary equipments can be installed on earthenware 6.

The broken rock device 1 provided in the present embodiment, it is to further contract in proof strength that forearm 3, which uses solid, Small size, in favor of further increasing 6 volume ratio leaving space of ridge buster.And forearm 3 is hollow primarily to mitigation weight Amount, but make when in proof strength under the conditions of reduce volume as possible.The form that the first filler is filled is used to make ridge buster 6 Weight account for the 30% of 1 total weight of broken rock device and can effectively reduce production cost.

Embodiment three

A kind of broken rock device 1 is present embodiments provided, this broken rock device 1 provides broken with embodiment one or embodiment two Difference lies in 70% that the weight of ridge buster 6 accounts for 1 total weight of broken rock device for rock device 1 so that the center of gravity of broken rock device 1 is substantially Forward, improves the ability of broken rock, but needs the digging that weight is larger in rock break-off process in order to keep the stability of broken rock machine 8 body of pick machine is coordinated, and the appropriate variation range for reducing X angles as needed is needed in practical rock break-off process.

It should be noted that the broken rock device 1 that embodiment three provides is in addition to the change of 6 weight of ridge buster is (whether solid Ridge buster 6 or the ridge buster 6 for filling the first filler), other structures can continue to use the knot in embodiment one or embodiment two Structure.

Example IV

A kind of broken rock device 1 is present embodiments provided, Fig. 6 and Fig. 7 are please referred to, this broken rock device 1 is carried with embodiment one Difference lies in be provided with clump weight 64 on ridge buster 6 for the broken rock device 1 of confession.

In embodiment one, ridge buster 6 is set as solid to increase the weight of ridge buster 6.In the present embodiment, it is loosening the soil It has also been removably installed clump weight 64 on device 6, has increased and decreased the weight of ridge buster 6 by clump weight 64.Clump weight 64 passes through bolt Connection or other forms are installed on ridge buster 6, when needing to remove, easily can be released clump weight 64 by artificial and be loosened the soil Cooperation between device 6, and at work, the forms such as being bolted can ensure, forearm 3 and clump weight 64 are stably connected with.

In the present embodiment, when ridge buster 6 is subject to clump weight 64, the total weight of ridge buster 6 plus clump weight 64 can account for The 40% of 1 total weight of broken rock device.Further enhance the impact capacity of ridge buster 6.And clump weight 64 is detachable setting, So that in the case where ridge buster 6 itself can provide enough impact forces, clump weight 64 is unloaded, saves energy.Its ridge buster 6 Specific weight can carry out rough counterweight according to 6 own wt of ridge buster, be then adjusted by clump weight 64, weight It is easy to operation by with enough broken rock performances when than 40%.In order to ensure that it is again not straight that clump weight 64 provides enough weight Broken rock region is touched, clump weight 64 is arranged on top of the ridge buster 6 far from broken rock portion.

Specifically, when the setting of ridge buster cylinder 5 is to 6 side of ridge buster, the setting of clump weight 64 is housed in side to be caused Movement is inconvenient, and clump weight 64 is then installed to the top of ridge buster 6.

The broken rock device 1 provided through this embodiment meets different rock stratum hardness, very by the increase and decrease of clump weight 64 It makes balance between rock breaking efficiency energy saving well, advanced optimizes operating efficiency.Moreover, not to broken rock device 1 itself In the case of making big change, the rock breaking capacity of ridge buster 6 is further improved, cost is effectively saved.

Embodiment five

A kind of broken rock device 1 is present embodiments provided, referring to Fig. 7, what this broken rock device 1 was provided with example IV Broken rock device 1 distinguishes ridge buster 6 plus the weight of clump weight 64 changes.In the present embodiment, when ridge buster 6 is subject to clump weight When 64, the total weight of ridge buster 6 plus clump weight 64 can account for the 75% of 1 total weight of broken rock device.Further enhance ridge buster 6 Impact capacity.And clump weight 64 is detachable setting so that the case where ridge buster 6 itself can provide enough impact forces Under, clump weight 64 is unloaded, energy is saved.The specific weight of its ridge buster 6 can carry out rough according to 6 own wt of ridge buster Counterweight is then adjusted by clump weight 64, easy to operation by having foot when weight ratio 40% in example IV Enough broken rock performances.And when weight ratio is 75% in the present embodiment, broken rock performance is greatly improved, but operation can be shown slightly not Just, since large arm 2 and 3 limited mass of forearm have higher requirements to material and technique for proof strength.

Embodiment six

A kind of broken rock device 1 is present embodiments provided, referring to Fig. 8, what this broken rock device 1 was provided with embodiment one Broken rock device 1 difference lies in：Ridge buster cylinder 5 is set as two in broken rock device 1 provided in this embodiment.

Two ridge buster cylinders 5 are arranged in the side of ridge buster 6 and forearm 3.It is oppositely arranged specifically, ridge buster cylinder 5 has The first cylinder head and the second cylinder head, the first cylinder head of a ridge buster cylinder 5 is arranged in the side of third interconnecting piece, and another is loosened the soil First cylinder head of device cylinder 5 is arranged in the other side of third interconnecting piece, and the first cylinder head of two first ridge buster cylinders 5 passes through reinforcing bar Connection；Second cylinder head of one bar of ridge buster cylinder 5 is arranged in the side of the 4th interconnecting piece, the second cylinder head of another ridge buster cylinder 5 It is arranged in the other side of the 4th interconnecting piece, the second cylinder head of two first ridge buster cylinders 5 is connected by another reinforcing bar.Two Item the first ridge buster cylinder 5 is parallel, and at work, two 5 synchronous effects of ridge buster cylinder are to control between ridge buster 6 and forearm 3 Angle.

In the present embodiment, the size of forearm 3 is adjusted according to the cooperation of each tie point, has been specified in embodiment one First articulated shaft, the second articulated shaft and third articulated shaft, and the hinged place of large arm 2 and forearm 3 is the 4th articulated shaft, the first hinge The distance of spindle to the 4th articulated shaft is the 4th articulated shaft to 0.7 times of the distance of third articulated shaft.

Dipper cylinder 4 and the hinged place of forearm 3 are the 5th articulated shaft, and the distance of the 5th articulated shaft to the 4th articulated shaft is the 4th 0.9 times of distance to third articulated shaft of articulated shaft.

Fig. 9 shows that broken rock device 1 provided in this embodiment actually uses the structural schematic diagram on excavator 8.The complete machine 7, including excavator 8 and broken rock device 1.

Different from the connection of excavator 8 and broken rock device 1 in embodiment one, excavator 8 and broken rock device 1 are struggled against by two Bar thick stick connects.Two dipper cylinders 4 are arranged at the both ends of large arm 2, and two dipper cylinders 4 are parallel, are synchronized to big by two dipper cylinders 4 Arm 2 exerts a force to control the angle of large arm 2 and excavator 8.

The broken rock device 1 provided through this embodiment, can improve the working strength of ridge buster 6, by two ridge buster cylinders 5 Common driving ridge buster 6 can make ridge buster 6 act on hard rocky areas, and show good rock breaking efficiency.

Embodiment seven

A kind of broken rock device 1 is present embodiments provided, referring to Fig. 10, this broken rock device 1 is provided using example IV Broken rock device 1 basic structure, the broken rock device 1 that the present embodiment and example IV provide difference lies in：The present embodiment provides Broken rock device 1 in ridge buster cylinder 5 be set as two.

Figure 11 shows that broken rock device 1 provided in this embodiment actually uses the structural schematic diagram on excavator 8.The complete machine 7, including excavator 8 and broken rock device 1.

And in fig. 11, clump weight 64 is installed to the top of ridge buster 6, i.e. clump weight 64 is installed to ridge buster 6 close to bucket One end of bar cylinder 4.So that there is clump weight 64 longer movement formed in rock break-off process to obtain larger kinetic energy, and this is dynamic Broken rock region, which can be acted on, can increase broken rock impact force.Meanwhile being installed to the clump weight 64 on 6 top of ridge buster so that broken rock When work, the center of gravity of configuration block essentially coincides in the vertical direction with the center of gravity of ridge buster 6, and further impact force is concentrated on brokenly Petrographic province domain.

Different from the connection of excavator 8 and broken rock device 1 in embodiment two, excavator 8 and broken rock device 1 are struggled against by two Bar thick stick connects.Two dipper cylinders 4 are arranged at the both ends of large arm 2, and two dipper cylinders 4 are parallel, are synchronized to big by two dipper cylinders 4 Arm 2 exerts a force to control the angle of large arm 2 and excavator 8.

The broken rock device 1 provided through this embodiment, the line and the first articulated shaft of the first articulated shaft to the second articulated shaft It is changed within the scope of 95 ° -130 ° to the angle between the line of third articulated shaft so that the movement of ridge buster 6 preferably controls, and pine Earthenware 6 has enough move distances.

Embodiment eight

A kind of broken rock device 1 is present embodiments provided, this broken rock device 1 is differed only in embodiment one, to pine Volume and weight between earthenware 6, large arm 2, forearm 3 carries out specific ratio limitation, and the volume of ridge buster 6 is 3 volume of forearm 4.5 times, the weight of ridge buster 6 is 2.7 times of large arm 2, and the weight of large arm 2 is 3.1 times of 3 weight of forearm, the body of large arm 2 Product is 4.2 times of forearm 3, therefore in the present embodiment, and ridge buster 6 accounts for about the 64% of 1 total weight of broken rock device, in this way Proportionate relationship so that ridge buster 6 has splendid rock breaking capacity, and ultimately reduces the volume and weight of forearm 3, is meeting machine Under the requirement of dynamic performance, center is moved forward as possible, and it is that ridge buster 6 provides enough strokes to provide the sufficiently large arm of force.

Embodiment nine

A kind of broken rock device 1 is present embodiments provided, this broken rock device 1 is differed only in embodiment one, to pine Volume and weight between earthenware 6, large arm 2, forearm 3 carries out specific ratio limitation, and the volume of ridge buster 6 is 3 volume of forearm 4.1 times, the weight of ridge buster 6 is 2.0 times of large arm 2, and the weight of large arm 2 is 2.3 times of 3 weight of forearm, the body of large arm 2 Product is 2.9 times of forearm 3, therefore in the present embodiment, and ridge buster 6 accounts for about the 55% of 1 total weight of broken rock device.In this way Proportionate relationship so that the rock breaking capacity and operability of ridge buster 6 are preferably balanced.

Embodiment ten

A kind of broken rock device 1 is present embodiments provided, this broken rock device 1 is differed only in embodiment one, to pine Volume and weight between earthenware 6, large arm 2, forearm 3 carries out specific ratio limitation, and the volume of ridge buster 6 is 3 volume of forearm 1.8 times, the weight of ridge buster 6 is 1.2 times of large arm 2, and the weight of large arm 2 is 1.4 times of 3 weight of forearm, the body of large arm 2 Product is 1.6 times of forearm 3, therefore in the present embodiment, and ridge buster 6 accounts for about the 39% of 1 total weight of broken rock device.In this way Proportionate relationship so that ridge buster 6 has the ability of common rocks broken enough, and operability is extremely strong, to the excavator 8 depended on Also not excessive weight demands.

Embodiment 11

A kind of broken rock device 1 is present embodiments provided, this broken rock device 1 differs only in forearm 3 with embodiment five The proportionate relationship variation of upper each distance, in the present embodiment, the distance of the first articulated shaft to the 4th articulated shaft is the 4th articulated shaft To 1.1 times of the distance of third articulated shaft, the distance of the 5th articulated shaft to the 4th articulated shaft is that the 4th articulated shaft is hinged to third 1.4 times of the distance of axis.The 4th articulated shaft is moved down, so that broken rock portion strength bigger but speed is slower.

Embodiment 12

A kind of broken rock device 1 is present embodiments provided, Figure 30, the difference of this broken rock device 1 and embodiment one are please referred to It is only that, the first axle sleeve, oil sealing and lubrication hole is not arranged on ridge buster 6, and the first axle sleeve, oil sealing and lubrication hole are arranged in forearm On.The connection type of this ridge buster 6 and forearm 3 is common connection type in existing design.But it still can be applied to In the utility model.

Embodiment 13

A kind of broken rock device 1 is present embodiments provided, referring to Fig. 8, the difference of this broken rock device 1 and embodiment one It is only that, X angles change within the scope of 74 ° -106 °, i.e., X angles change in 90 ° or so always, ensure that ridge buster 6 moves The arm of force movement of ridge buster 6 is preferably controlled, and ridge buster 6 have enough move distances.Wherein, broken rock device 1 has There are long arm of force state, i.e. X angles that can reach 90 °, under long arm of force state, at this point, ridge buster cylinder 5 acts on ridge buster 6 The arm of force is：First connecting portion 51 arrives the line line segment of second connecting portion 52.Therefore in this X angle within the scope of 74 ° -106 ° It changes so that arm of force long enough provides enough broken rock speed under the conditions of equivalent devices for ridge buster 6.

Embodiment 14

A kind of broken rock device 1 is present embodiments provided, referring to Fig. 1, the difference of this broken rock device 1 and embodiment one It is only that, X angles change within the scope of 46 ° -77 °, ensure that the arm of force that ridge buster 6 moves makes the movement of ridge buster 6 preferably control System, and ridge buster 6 has enough move distances.

Embodiment 15

A kind of broken rock device 1 is present embodiments provided, Figure 31, the difference of this broken rock device 1 and embodiment six are please referred to It is only that, the line and the first articulated shaft of the first articulated shaft to the second articulated shaft exist to the angle between the line of third articulated shaft It is changed within the scope of 74 ° -106 °, i.e. the company of the line and the first articulated shaft of the first articulated shaft to the second articulated shaft to third articulated shaft Angle between line changes in 90 ° or so always, ensures that the arm of force that ridge buster 6 moves makes the movement of ridge buster 6 preferably control System, and ridge buster 6 has enough move distances.Wherein, broken rock device 1 has long arm of force state, i.e. the first articulated shaft to second The line of articulated shaft and the first articulated shaft can reach 90 ° to the angle between the line of third articulated shaft, under long arm of force state, At this point, the arm of force that ridge buster cylinder 5 acts on ridge buster 6 is：First connecting portion 51 arrives the line line segment of second connecting portion 52.Cause This this first articulated shaft exists to the line of the second articulated shaft and the first articulated shaft to the angle between the line of third articulated shaft It is changed within the scope of 74 ° -106 ° so that arm of force long enough provides enough broken rock speed for ridge buster 6 under the conditions of equivalent devices Degree.

Embodiment 16

A kind of broken rock device 1 is present embodiments provided, Figure 30, the difference of this broken rock device 1 and embodiment six are please referred to It is only that, the line and the first articulated shaft of the first articulated shaft to the second articulated shaft exist to the angle between the line of third articulated shaft It is changed within the scope of 46 ° -77 °, ensures that the arm of force that ridge buster 6 moves makes the movement of ridge buster 6 preferably control, and ridge buster 6 has There are enough move distances.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of broken rock device (1) comprising large arm (2), forearm (3), dipper cylinder (4), ridge buster cylinder (5) and ridge buster (6), broken rock device (1) has top car body, the rotatable connection of top car body for being equipped on excavator (8), the excavator (8) In lower part car body, lower part car body has walking mechanism, which is characterized in that there is large arm (2) first end (21), forearm (3) to have The second end (36) being oppositely arranged and third end (37), large arm (2) and forearm (3) are articulated with by axis pin in the middle part of forearm (3), bucket One end of bar cylinder (4) is articulated with top position in the middle part of large arm (2), and the other end of dipper cylinder is articulated with the second end of forearm (3) (36) the third end (37) of position, forearm (3) is hinged with ridge buster (6) close to middle and lower part position, the other end of ridge buster (6) Hinged with the other end of ridge buster cylinder (5), the volume of ridge buster (6) is more than the volume of forearm (3)；The weight of ridge buster (6) is big Weight in forearm (3), the weight of ridge buster (6) are more than the weight of large arm (2), and it is total that the weight of ridge buster (6) accounts for broken rock device 30%-the 70% of weight.

2. broken rock device (1) according to claim 1, which is characterized in that ridge buster (6) is solid construction.

3. broken rock device (1) according to claim 1, which is characterized in that ridge buster (6) has the first space (44), the It is provided with the first filler in one space (44).

4. broken rock device (1) according to claim 1, which is characterized in that ridge buster (6) is removably provided with for adjusting The clump weight (64) of ridge buster (6) weight is saved, when ridge buster (6) carries clump weight (64), ridge buster (6) and clump weight (64) Total weight accounts for 40%-the 75% of broken rock device (1) total weight.

5. broken rock device (1) according to claim 4, which is characterized in that ridge buster (6), which has, is used for direct broken rock or peace The broken rock portion of bunker tooth, clump weight (64) are located at top of the ridge buster (6) far from broken rock portion.

6. broken rock device (1) according to claim 4, which is characterized in that clump weight (64) is arranged in ridge buster both sides.

7. broken rock device (1) according to claim 1, which is characterized in that the second articulated section (42) of forearm (3) is provided with At least two groups hinge hole.

8. broken rock device (1) according to claim 1, which is characterized in that ridge buster cylinder (5) is set as two, and position In ridge buster (6) and forearm (3) side.

9. broken rock device (1) according to claim 1, which is characterized in that ridge buster (6) passes through the first axle sleeve and forearm (3) hinged, the lubrication hole that promising first axle set provides lubricating oil is set on ridge buster (6), is additionally provided with and is used at the first axle sleeve Envelope stays the oil sealing of lubricating oil.

10. broken rock device (1) according to claim 1, which is characterized in that ridge buster cylinder (5) is set as one, is located at pine The top of earthenware (6) and forearm (3).

11. broken rock device (1) according to claim 1, which is characterized in that the hinged place of ridge buster cylinder (5) and forearm (3) For the first articulated shaft, the hinged place of ridge buster cylinder (5) and ridge buster (6) is the second articulated shaft, forearm (3) and ridge buster (6) Hinged place be third articulated shaft, broken rock device (1) in the process of running, the first articulated shaft to the line of the second articulated shaft and first Articulated shaft can reach 60 ° or more to the angle between the line of third articulated shaft.

12. broken rock device (1) according to claim 3, which is characterized in that be provided with exciting device on ridge buster (6) (65)。

13. broken rock device (1) according to claim 1, which is characterized in that the volume of ridge buster (6) is forearm (3) volume 1.8 times to 4.5 times between.

14. broken rock device (1) according to claim 1, which is characterized in that the weight of ridge buster (6) is 1.2 times of large arm To between 2.7 times.

15. broken rock device (1) according to claim 1, which is characterized in that the weight of large arm (2) is forearm (3) weight Between 1.4 times to 3.1 times.

16. broken rock device (1) according to claim 1, which is characterized in that the volume of large arm (2) is forearm (3) volume Between 1.6 times to 4.2 times.

17. broken rock device (1) according to claim 11, which is characterized in that broken rock device (1) in the process of running, institute The first articulated shaft is stated to the line of second articulated shaft and first articulated shaft between the line of the third articulated shaft Minimum 45 ° of angle, is up to 130 °.

18. broken rock device (1) according to claim 17, which is characterized in that broken rock device (1) in the process of running, institute The first articulated shaft is stated to the line of second articulated shaft and first articulated shaft between the line of the third articulated shaft Minimum 70 ° of angle, is up to 110 °.

19. the broken rock device (1) according to any one of claim 8 or 13-15, which is characterized in that ridge buster cylinder (5) with The hinged place of forearm (3) is the first articulated shaft；The hinged place of ridge buster cylinder (5) and ridge buster (6) is the second articulated shaft, forearm (3) with the hinged place of ridge buster (6) it is third articulated shaft, in the process of running, the first articulated shaft to second is cut with scissors broken rock device (1) The line of spindle and the first articulated shaft are up to 130 degree to minimum 45 degree of angle between the line of third articulated shaft.

20. broken rock device (1) according to claim 1, which is characterized in that forearm (3) is solid construction.

21. broken rock device (1) according to claim 8, which is characterized in that the hinged place of ridge buster cylinder (5) and forearm (3) For the first articulated shaft；The hinged place of forearm (3) and ridge buster (6) is third articulated shaft；The hinged place of large arm (2) and forearm (3) For the 4th articulated shaft, the distance of the first articulated shaft to the 4th articulated shaft is the 4th articulated shaft to the 0.7 of the distance of third articulated shaft To 1.3 times.

22. broken rock device (1) according to claim 8, which is characterized in that forearm (3) and the hinged place of ridge buster (6) are Third articulated shaft；The hinged place of large arm (2) and forearm (3) is the 4th articulated shaft；Dipper cylinder (4) and the hinged place of forearm (3) are 5th articulated shaft；The distance of 5th articulated shaft to the 4th articulated shaft is the 4th articulated shaft to be arrived to the 0.9 of the distance of third articulated shaft 1.4 again.