Engineering groover is rushed in suspension type convolution shake
Technical field
The present invention relates to a kind of suspension type convolution shake and rush engineering groover, belong to basic engineering construction field of mechanical technique.
Background technology
According to the applicant understood, at engineering fields such as water conservancy, traffic, buildings, need under different geological conditions, build various undergrounds continuous print body of wall.During practice of construction, to containing gravel, boulder, the stratum of the stone that wafts and build various undergrounds continuous print body of wall compared with driving deep trouth on competent bed, then it is the most thorny and has problem to be solved.Use the groover that has been developed for of applicant can high efficiency, complete operation of slotting at low cost, respond well.
Chinese invention patent (application number 201110273179.4 filed in applicant's JIUYUE in 2011 14 days, Authorization Notice No. CN102409972B) disclose a kind of many bit convolution punching/tamping engineering groovers, utilize many drill bits and punching to pound hammer, carry out drilling simultaneously, impact and rammer is pounded;Utilize auxiliary drill bit to expand impact drilling area, and the crescent moon between main drill bit is fallen in drilling, make remaining part separate easily broken;Utilize blade row by broken rock and soil remaining on grooving projection plane.Time actually used, groover duty can be adjusted according to the mechanical property of stratum ground, soft stratum is pounded to ram based on cutting, hardpan based on impact, ultrahard stratum, is done directly fluting efficiently on bad ground.
When applicant states groover in design, the impact shock power pounding hammer in view of the transfer head casing made with current material for bearing punching has enough tolerances, then transfer head casing is placed in punching and pounds below hammer, so directly auxiliary drill bit, main drill bit can be installed on transfer head casing, thus simplify structure;Meanwhile, auxiliary drill bit variable transmission mechanism in transfer head casing links with main drill bit, and is provided convolution power by stroke drilling rod to main drill bit and auxiliary drill bit, so can simplify the dynamical system of groover;Additionally, blade row seat to be fixed on transfer head box bottom, it can be ensured that blade row seat energy uniform stressed, it is ensured that fluting effect.
But, applicant finds in constantly deeply putting into practice, and after long-term use, its transfer head casing is directly easily caused the problem such as device damage and drive mechanism inefficacy by tension weight churning to above-mentioned groover.Applicant finds after extensive studies it, although transfer head casing can actually bear punching within considerable time pounds the impact shock power of hammer, but after long-term use, the impact shock ability to bear of transfer head casing can be gradually reduced, and finally pound the impact shock power of hammer and damage inefficacy because cannot bear punching.Therefore, need badly on the basis of prior art, make improvement further, while being avoided that transfer head casing damages inefficacy, keep fluting effect and the simplification of structure.
Summary of the invention
The technical problem to be solved is: overcome the problem that prior art exists, it is provided that engineering groover is rushed in a kind of suspension type convolution shake, can be prevented effectively from the headstock containing drive mechanism and damage inefficacy, and structure simplifies simultaneously, excellent effect of slotting.
The technical scheme that the present invention solves its technical problem is as follows:
Engineering groover is rushed in a kind of suspension type convolution shake, and including the running gear with hoisting equipment, and device cut by the shake drill hanging on hoisting equipment traction end;Shake drill is cut device and is included longitudinal guide frame, there is bottom guide frame location crossbeam, guide frame is built with the power transfer case of lateral arrangement, power transfer case has power motor and drive mechanism, power transfer case bottom is provided with one group through positioning crossbeam and the power transmission shaft being longitudinally arranged, each power transmission shaft and location crossbeam constitute the revolute pair with axial constraint, each power transmission shaft end forms the connection with circumference constraint respectively with drill bit, and each drill bit is positioned at the location crossbeam side away from power transfer case;Power motor is in transmission connection with each drill bit through drive mechanism, power transmission shaft successively;It is provided with below power transfer case and has fallen within or be placed in crossbeam upper surface, location and be transferred to impulsive force position crossbeam and the shake block stamp of drill bit;Each power transmission shaft is through shake block stamp, and shake block stamp is along the vertical movement of each power transmission shaft;Being fixed with blade row seat bottom the crossbeam of location, blade row seat has the blade row of band alloy cutter head.
Applicant finds through in depth practical studies, and to avoid power transfer case (headstock containing drive mechanism the most mentioned above) because bearing the fragile inefficacy of excessive impulsive force, best bet is no more than being placed in power transfer case above hammer body;But, to will put on power transfer case, then need the structure of existing groover is made sizable improvement so that it is the installation site of power transfer case can not only be reserved, moreover it is possible to realize structure with less parts and simplify.
Applicant, after going deep into practical studies further, has drawn technique scheme finally, and it has mainly improved:
(1) by using the guide frame containing location crossbeam, both make power transfer case to be installed on above hammer body reliably, and make again the impact stroke shaking block stamp unaffected;Use guide frame to make power transfer case be placed in above shake block stamp, can avoid directly bearing the impulsive force of shake block stamp, this greatly reduces the impact shock load of power transfer case, it is to avoid power transfer case damages and lost efficacy, and is effectively improved equipment dependability and service life;Power transmission shaft through shake block stamp may also function as guide effect.
(2) all being concentrated by the power transmission shaft of power motor and all drill bits and be located at power transfer case and realize transmission, and by location crossbeam, impulsive force is passed to drill bit, this both can guarantee that drilling was slotted effect, can ensure that again use less parts realizes structure and simplifies;Simultaneously, compared with original stroke drilling rod, propeller shaft length and diameter in this structure are the least, in the case of meeting project seepage controlling and requirement of strength, whole shake drill can be made to cut the thickness that device keeps less, so that groover can reduce further the minimum slot width of digging, so can not only expand engineer applied scope, moreover it is possible to be greatly saved quantities and engineering funds in many cases.
(3) containing stroke drilling rod and jointed rod in original equipment, when groove depth increases, their length also must increase, and has a strong impact on operating characteristics and the efficiency of equipment;The present invention use can hang on hoisting equipment traction end, all-in-one-piece shake drill cut device, stroke drilling rod and jointed rod can be cancelled, enormously simplify device structure, improve operating characteristics and the efficiency of equipment, the most also for using shake block stamp to create conditions.
(4) after using this structure, on the one hand available hoisting equipment makes shake drill cut device entirety to make rushing of the big amplitude of low frequency and pound, on the other hand hammer body uses shake block stamp, high-frequency vibration impact can be realized, thus realize shake drill cut device significantly low frequency impact with shake block stamp high-frequency vibration impact combine, to adapt to different stratum and operating mode.This can be achieved with the drilling fluting effect more more excellent than original groover, can adjust the method for operation according to geological conditions simultaneously, and the scope of application is wider.
The technical scheme that the present invention is the most perfect is as follows:
For power transfer case impact oscillatory load can be reduced further: preferably, be provided with buffer unit between power transfer case and guide frame;Formed between power transmission shaft and drive mechanism and there is circumference constraint and the connection in axial Slip-reserved gap;Each power transmission shaft is fixed with corresponding drill bit to be connected or formed has circumference constraint and the connection in axial Slip-reserved gap.So it is effectively reduced the impact shock load being finally transmitted to power transfer case;Meanwhile, drill bit fixes the basic drilling effect of can playing that is connected with power transmission shaft, and drill bit and power transmission shaft can play impact drilling effect when forming the connection with circumference constraint and axial Slip-reserved gap, it is achieved preferably drilling effect.
While realizing basic function, for simplifying guide frame configuration as far as possible: preferably, the top of guide frame has suspension crossbeam, and guide frame also has the two longitudinal frames connecting suspension crossbeam and location crossbeam;Power transfer case is between two longitudinal frames, and power transfer case two ends are connected with two longitudinal frames respectively.
On the basis of guide frame configuration simplifies, for making mud off slag tap in time or making drill bit cool down in time, lubricate: more preferably, hang, inside crossbeam, longitudinal frame, location crossbeam, there is the first fluid passage being interconnected, hang crossbeam and there is the fluid interface being connected with fluid hose, fluid interface and first fluid channel connection;Drill bit internal has second fluid passage, and drill bit has and the through hole of second fluid channel connection, and power transmission shaft has connection first fluid passage and the changeover joint of second fluid passage.So, mud or cooling, lubrication water can be passed through in time through first, second fluid passage, it is achieved Expected Results.It is also possible to use mud off and the positive and negative circulation of mud, or the mode such as gaslift, pumping is slagged tap.
On the basis of guide frame configuration simplifies, for the impact shock load being finally transmitted to power transfer case can be reduced further: it is highly preferred that longitudinal frame is formed by connecting by upper half frame and the buffered device of lower half frame respectively.So can improve buffering effect further.
For improving fluting effect further: preferably, the cutter head of blade row is directed away from positioning the direction of crossbeam;Blade row covers the part in grooving view field beyond drill bit drawbore perspective plane.So can be will be located in residue crescent moon part in grooving view field, after drill bit drilling by blade row thoroughly to crush, improve fluting effect.
In addition: preferably, running gear has two parallel traveling crawlers;Guide frame is between two traveling crawlers, and perpendicular residing for guide frame is parallel with two traveling crawlers, or, it is vertical with two traveling crawlers that guide frame is positioned at perpendicular residing for two traveling crawler front end outer side and guide frame.
When guide frame uses the first modes of emplacement, on the one hand be conducive to the drill of operation shake more easily to cut device and carry out drilling fluting, on the other hand can ensure that and realize smoothly completing operation (as anti-in reservoir dam and the river sea wall in narrow place, building basis etc.) of slotting in narrow place;Additionally, when actual job, according to place restrictive condition, if groove is opened in edge, place (such as wharf apron, margin of foundation pit), it is possible to use the second modes of emplacement to implement operation.So, shake drill is cut device and can be placed neatly, thus the scope of application of expansion equipment.
The optimal technical scheme that device structure is more specific is cut: preferably, power motor is positioned at power transfer case top, and drive mechanism is positioned at inside power transfer case as shake drill;Shake block stamp has one group of through hole passed for corresponding power transmission shaft;Adjacent drill bit elevation is in arrangement of just staggering, and drill bit bottom profile is polygon or cross;Shake block stamp is that submerged type inertia force vibration exciter vibration-impact type is hammered into shape, hammer, electromagnetic exciting the device vibration hammer driven or the vibration hammer driven by mechanical vibration percussion mechanism are pounded in the punching of high-pressure fluid drive-type.Additionally, shake block stamp through hole and power transmission shaft between leave supply water through clearance channel;Shake drill is cut device and is provided with the side shield being positioned at outside shake block stamp in shake block stamp range of activity, so can reduce impact the produced water attack impact on slurry trench stability.
As the optimal technical scheme that hoisting equipment is more specific: preferably, running gear has column, and column is provided with fixed pulley group;Hoisting equipment includes that hoist engine and pull rope, guide frame top have lifting assembly pulley;Hoist engine is through being connected through the pull rope of fixed pulley group and the lifting assembly pulley of guide frame.
In addition: preferably, guide frame has deviation correcting device, and deviation correcting device includes gravity Deviation rectifier, push pedal Deviation rectifier, rotary deviation-rectifying device;Guide frame has self-operated measuring unit and detection device;Guide frame top has blade row upward.So can realize shake drill is cut the correction of device, and upper carry can rushing when device cut by shake drill ream drop-in in the barrier of top;Can measure slotted perpendicularity, position, the rotary-cut power etc. of drill bit simultaneously, and detect gravel or rock is beneficial to more bit change or adjusts equipment mode of operation and parameter.
The present invention is made that some significant improvement on the basis of existing many bit convolution punching/tamping engineering groovers, power transfer case can be avoided to damage inefficacy because bearing excessive impact load, device structure is simplified simultaneously, substantially increase the operability of equipment, reliability and durability, expand equipment range, construction costs can be greatly saved in many cases.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation that device cut by Fig. 1 embodiment shake drill.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the layout schematic diagram that Fig. 1 embodiment is overlooked.
Fig. 5 is the schematic diagram that Fig. 1 embodiment stagewise indulges framework.
Detailed description of the invention
It is described in further detail with reference to the accompanying drawings and in conjunction with the embodiments to the present invention.But the invention is not restricted to given example.
Embodiment
As shown in Figure 1 to Figure 3, engineering groover is rushed in the suspension type convolution shake of the present embodiment, and including the running gear 1 with hoisting equipment, and device 2 cut by the shake drill hanging on hoisting equipment traction end;Shake drill is cut device 2 and is included longitudinal guide frame 2-1, there is bottom guide frame 2-1 location crossbeam 2-2, guide frame 2-1 is built with the power transfer case 3 of lateral arrangement, power transfer case 3 has power motor 4 (can use submersible motor or hydraulic motor etc.) and drive mechanism, power transfer case 3 bottom is provided with one group through positioning crossbeam 2-2 and the power transmission shaft 5 being longitudinally arranged, each power transmission shaft 5 and location crossbeam 2-2 constitute the revolute pair (such as utilizing bearing etc.) with axial constraint, each power transmission shaft 5 end forms the connection (such power transmission shaft 5 can drive drill bit 6 to rotate) with circumference constraint respectively with drill bit 6, each drill bit 6 is positioned at the location crossbeam 2-2 side away from power transfer case 3;Power motor 4 is in transmission connection with each drill bit 6 through drive mechanism, power transmission shaft 5 successively;It is provided with below power transfer case 3 and has fallen within or be placed in crossbeam 2-2 upper surface, location and be transferred to impulsive force position crossbeam 2-2 and the shake block stamp 7 of drill bit 6;Each power transmission shaft 5 is through shake block stamp 7, and shake block stamp 7 is along each vertical movement of power transmission shaft 5;It is fixed with blade row seat 9-1, blade row seat 9-1 bottom the crossbeam 2-2 of location and there is the blade row 9-2 of band alloy cutter head.
Buffer unit (not showing in figure, can be selected for hydraulic bjuffer etc.) it is provided with between power transfer case 3 and guide frame 2-1;Formed between power transmission shaft 5 and drive mechanism and there is the connection of circumference constraint and axial Slip-reserved gap (such as utilize bearing etc., so drive mechanism can drive power transmission shaft 5 to rotate, there is cushion space between power transmission shaft 5 and drive mechanism, it is to avoid impulsive force is directly delivered to drive mechanism) simultaneously;Each power transmission shaft 5 is fixing with corresponding drill bit 6 to be connected or forms the connection (both connected modes all can realize being driven drill bit 6 to rotate by power transmission shaft 5, and the latter can also play impact drilling effect) with circumference constraint and axial Slip-reserved gap.
The top of guide frame 2-1 has suspension crossbeam 2-3, guide frame 2-1 and also has the two longitudinal direction frame 2-4 connecting suspension crossbeam 2-3 and location crossbeam 2-2;Power transfer case 3 is between two longitudinal frame 2-4, and power transfer case 3 two ends are connected with two longitudinal frame 2-4 respectively.
Hanging and have, inside crossbeam 2-3, longitudinal frame 2-4, location crossbeam 2-2, the first fluid passage 8-1 being interconnected, hang crossbeam 2-3 and have the fluid interface being connected with fluid hose, fluid interface connects with first fluid passage 8-1;Drill bit 6 is internal has second fluid passage 8-2, and drill bit 6 has the through hole connected with second fluid passage 8-2, and power transmission shaft 5 has connection first fluid passage 8-1 and the changeover joint of second fluid passage 8-2.Wherein, part drill bit can use bottom hollow-core construction, and the power transmission shaft being attached thereto is also adopted by hollow-core construction, and connects with gaslift, pumping duct.
Additionally, structure as shown in Figure 5 also can be used: longitudinal frame 2-4 is formed by connecting by upper half frame A and lower half frame B buffered device C respectively.Buffer unit C can use hydraulic bjuffer etc..
The cutter head of blade row 9-2 is directed away from positioning the direction of crossbeam 2-2;Blade row 9-2 covers the part in grooving view field beyond drill bit 6 drawbore perspective plane.
As shown in Figure 4, running gear 1 has two parallel traveling crawler 1-1;Guide frame 2-1 is between two traveling crawler 1-1, and perpendicular residing for guide frame 2-1 is parallel with two traveling crawler 1-1.It should be noted that, when actual job, according to place restrictive condition, if groove is opened in edge, place (such as wharf apron), column 1-2 can also be leaned forward, make guide frame 2-1 be positioned at perpendicular residing for two traveling crawler 1-1 front end outer side and guide frame 2-1 vertical with two traveling crawler 1-1.
Power motor 4 is positioned at power transfer case 3 top, and it is internal that drive mechanism is positioned at power transfer case 3;Shake block stamp 7 has one group of through hole passed for corresponding power transmission shaft 5;Adjacent drill bit 6 elevation is in arrangement of just staggering, and drill bit 6 bottom profile is polygon or cross, during so can cutting rotating punching, makes to leave between boring and drill bit gap, thus forms the passage that rock slag sucts;Shake block stamp 7 is that submerged type inertia force vibration exciter vibration-impact type is hammered into shape, hammer, electromagnetic exciting the device vibration hammer driven or the vibration hammer driven by mechanical vibration percussion mechanism are pounded in the punching of high-pressure fluid drive-type.In addition, shake block stamp through hole and power transmission shaft between leave supply water through clearance channel 7-1, shake drill is cut device and is provided with the side shield (not shown) being positioned at outside shake block stamp in shake block stamp range of activity, so can reduce impact the produced water attack impact on slurry trench stability.
Running gear 1 has column 1-2, column 1-2 and is provided with fixed pulley group 1-3;Hoisting equipment includes hoist engine 1-4 and pull rope 1-5 (can be selected for steel wire rope etc.), and the suspension crossbeam 2-3 at guide frame 2-1 top has lifting assembly pulley 1-6;Hoist engine 1-4 is connected through the lifting assembly pulley 1-6 of pull rope 1-5 and guide frame 2-1 through fixed pulley group 1-3.Hoist engine can use frequency modulation motor speed change system, or the tackling system being made up of planet-cycloid reducer.
Additionally, guide frame 2-1 has deviation correcting device, deviation correcting device includes gravity Deviation rectifier, push pedal Deviation rectifier, rotary deviation-rectifying device;Guide frame 2-1 has self-operated measuring unit and detection device;Guide frame 2-1 top has blade row (not shown) upward.
Specifically, the caterpillar band traveling chassis of running gear 1 is by fluid motor-driven;It is additionally provided with on running gear 1: the power being made up of diesel engine, motor, Hydraulic Station, cooling system etc. and hydraulic assembly 1-7, operation driver's cabin 1-8, hydraulic oil pipe automatic hose reel 1-9, upright supports and retract cylinder 1-10, mud tube automatic hose reel 1-11.
The present embodiment groover utilizes many drill bits and shake block stamp, carry out drilling simultaneously, impact and rammer is pounded, can be according to the mechanical property of stratum ground, adjust working operating mode: to soft stratum based on cutting, hardpan is based on impact, ultrahard stratum is pounded to ram, thus is done directly fluting efficiently on bad ground.Wherein, drill bit can expand impact drilling area as far as possible, makes remaining part separate, it is easy to broken;On grooving projection plane, remaining ground is then crushed under shake block stamp impulsive force by blade row.
Additionally, in the case of the suspension degree of depth is less, rigid bar can be used to substitute steel wire rope, and impact is directly applied on ground the tray fixedly connected with rigid bar, rush, to exempt, the energy loss that when the drilling device that shakes impacts in mud up and down, slurry resistance causes.
In addition to the implementation, the present invention can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of application claims.