CN206159357U - Dig rig soon and damper of unit head thereof - Google Patents
Dig rig soon and damper of unit head thereof Download PDFInfo
- Publication number
- CN206159357U CN206159357U CN201621085651.6U CN201621085651U CN206159357U CN 206159357 U CN206159357 U CN 206159357U CN 201621085651 U CN201621085651 U CN 201621085651U CN 206159357 U CN206159357 U CN 206159357U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- flange
- damping
- platen
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims abstract description 92
- 230000003139 buffering effect Effects 0.000 claims abstract description 60
- 238000005553 drilling Methods 0.000 claims description 42
- 229920001971 elastomer Polymers 0.000 claims description 23
- 239000005060 rubber Substances 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 6
- 238000005192 partition Methods 0.000 abstract 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 2
- 241001330002 Bambuseae Species 0.000 abstract 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 2
- 239000011425 bamboo Substances 0.000 abstract 2
- 230000006378 damage Effects 0.000 description 7
- 210000003746 feather Anatomy 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000009795 derivation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a damper of unit head, include the vibration damping mount of tube -shape and follow the buffering pressure disk that the vibration damping mount periphery was located to the endwise slip cover that be provided with a plurality of guide posts between vibration damping mount and the buffering pressure disk, guide post periphery cover is equipped with coil spring, the buffering pressure disk includes the pressure disk barrel and follows a plurality of limiting partition plate that are fixed in pressure disk barrel inner wall in the circumference interval through the baffle bolt, forms the spacing groove between the adjacent limiting partition plate, and the first flange below of pressure disk barrel periphery is equipped with extension direction section, vibration damping mount's base section of thick bamboo outer wall through the stopper bolt fastening have with spacing groove sliding fit's stopper, a base section of thick bamboo overlaps with extension direction section axial. This scheme increases the stability of buffering pressure disk through setting up effective deflection and the transverse force that is led to the fact by the unbalance loading that reduce of extension direction section. But limiting partition plate and stopper adopt convenient detachable design, can reduce maintenance duration and maintenance cost by a wide margin. The utility model also discloses an one kind is dug the rig soon.
Description
Technical field
This utility model is related to rotary drilling rig technical field, more particularly to the damping machine of a kind of rotary drilling rig and its unit head
Structure.
Background technology
Rotary drilling rig is a kind of main foundation engineering machinery for filling pile construction operation, is usually used in building construction, frame
Bridge, high-speed rail construction etc., efficiency of construction is high, applied range, and traction is high.Rotary drilling rig drives drilling rod rotation by unit head
Turn, the ground of underground is cut, collected, being extracted, unloading soil, pore-forming by the tubular drilling tool for being placed in drilling rod bottom.
As shown in figure 1, the complete machine structure of rotary drilling rig includes chassis 01, jib lubbing mechanism 03, mast 06, drilling rod 05, power
04, drilling tool 02 etc..Wherein, unit head 04 be drilling rod 05, drilling tool 02 provide rotary power output device, the structure bag of unit head 04
Motor 07, reductor 09, reduction box 010, damping 011 and balladeur train 08 are included, as shown in Figure 2.Drilling rod 05 is by radial multilayer set
Pipe is constituted, and has card key interlocking connection between per layer, and withdrawal can be pulled out relatively, and can transmit high torque, and drilling rod 05 is most interior
Layer top connection elevator, bottom connection drilling bucket, outermost layer contacts the transmission output of unit head 04 with the inside card key of unit head 04
Moment of torsion.
In practice of construction operation, because the restriction of operator's operation level or operational error can cause the outermost of drilling rod 05
Layer card key unblock is glided suddenly, and the outermost layer drilling rod top flange position of downslide can be pounded to the top of unit head 04, its collision impact
Power larger (according to different type of machines, impulsive force is generally tens tons), in order to prevent impulsive force from damaging unit head reducing gear, design
Dynamic head damping is alleviating impulsive force.The damping 011 of unit head as protect unit head 04 not by drilling rod 05 most
Outer layer pushes the critical component of impact force destruction, the working effect of rotary drilling rig is directly affected, it is therefore desirable to its work
Efficiently, reliable and stable, long service life and damping effect are obvious.
There are two kinds of forms in conventional base mechanism：Spring shock absorption and rubber shock-absorbing.As shown in figure 3, rubber shock-absorbing mechanism is by more
Layer rubber ring superposition is made, i.e. the superposition of multilamellar yielding rubber 012 is arranged and is connected to flange in the bottom 015 by fixing bolt 014,
Metal spacer ring 013, the simple structure of rubber shock-absorbing mechanism are provided between every layer of yielding rubber 012, but can not bear larger outer
Power, only uses for small-sized rotary drilling rig, and in the case where external impact force is larger, yielding rubber can be quickly damaged failure.Such as
Shown in Fig. 4, spring shock absorption mechanism mainly includes damping flange 016, flange in the bottom 015, lead column 017 and is set in lead column
Helical spring 018 on 017, the circumference of flange in the bottom 015 is additionally provided with multiple single position limiting structures, and position limiting structure includes limit
Position post 020 and spacing rubber 019, position limiting structure takes up room larger, increases physical dimension；Spring shock absorption mechanism use range
Relatively wide, bearing capacity is strong, but because impulsive force is larger, once in a while also unbalance loading is impacted, and lead column 017 can be caused to bend, spiral bullet
Spring 018 fractures, and later maintenance is cumbersome, not easy-maintaining if damaging in work progress, causes indirectly times over amortisseur valency
The economic loss of lattice.So, it is this area technical problem urgently to be resolved hurrily to manufacture and design a kind of reliable and stable damping.
The Chinese patent of Application No. 201410354506.2 disclose a kind of unit head buffer unit of rotary drilling rig and
Rotary drilling rig, as shown in Figs. 5 to 7, the unit head buffer unit of this rotary drilling rig, including key body 1 and with key body 1 on
Portion is slidably matched the buffering platen 2 of setting, and in buffering platen 2 multiple feather keys 21 are fixed with；The top of key body 1 is fixed with removable
The guide flange 3 for unloading；Wherein, the guide key groove 31 coordinated with feather key 21 is provided with outside guide flange 3；The unit head buffering dress
Putting makes key body 1 be oriented to by guide flange 3, and guide key groove 31 on guide flange 3 is when damaging, and to change guiding method
Blue 3.
As shown in Figs. 5 to 7, existing design limits the motion of buffering platen 2 using several feather keys 21, but in real work
The load that damping is subject to has been often accompanied by unbalance loading and impulsive force larger (up to tens tons), randomness are stronger, so carefully
The structure of feather key 21 of elongate in shape is easily hit damage, although it is contemplated that when guide key groove 31 is damaged more in design
Change, but rapid-maintenance is still unable to after feather key 21 is damaged, need to change integrated buffer platen 2, cost is of a relatively high, and need behaviour
Make to change part needed for personnel carry at any time, this is unpractical, it is impossible to which rapid repair will affect construction speed increase to be constructed into
This, economic loss is likely to be breached the several times of damping manufacturing cost.Applying working condition is disliked and omited during rotary drilling rig use, normal companion
There are the particulate matters such as silt, stone to adhere on drilling rod to be brought at unit head, once silt enters the friction for having relative motion connect
Quick-wearing can be added during contacting surface.So, weak, complicated, the open shock-damping structure of intensity does not adapt to rugged environment condition.
A kind of simple structure is needed, stable and reliable in work, later maintenance cost is low, operation easy to maintain unit head damping.
It can be seen that, there is following defect in the damping of the unit head of prior art：
(1) buffer unit in use for some time, after feather key or the increase of guide key groove wearing clearance, loses guiding work(
Energy；
(2) damping disc is short with damping base coincidence distance, and flange deflection can be caused to accelerate spline mill in the case of having unbalance loading
Damage, local damping spring can also be subject to bigger external force, and under repeated action spring fracture is caused；
(3) it is difficult to ensure machining accuracy in the case that spline is more, increase processing cost, later maintenance is also more difficult.
Therefore, how the damping of unit head that is a kind of stable and reliable in work and being easy to safeguard is provided, is this area skill
The current technical issues that need to address of art personnel.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of damping of unit head, the damping structure letter
It is single, stable and reliable in work, and it is easy to attended operation, later maintenance cost low, long service life.It is of the present utility model another
Purpose is to provide a kind of rotary drilling rig including above-mentioned damping.
In order to achieve the above object, this utility model provides following technical scheme：
A kind of damping of unit head, including tubular damping base and be axially slidably sheathed on described subtracting
The buffering platen of shake base outer perimeter, is provided with multiple lead columns, the guiding between the damping base and the buffering platen
Post periphery is arranged with helical spring；
The buffering platen includes：Platen cylinder and the circumferentially spaced multiple limits for being fixed on the platen cylinder inboard wall
Position dividing plate, the spacing dividing plate is fixed on the platen cylinder inboard wall, shape between the adjacent spacing dividing plate by dividing plate bolt
Into the stopper slot for axially extending, the platen cylinder periphery is fixed with first flange, and the platen cylinder is included positioned at described
Cylinder guide section above first flange and the lengthening guide section below the first flange, the first flange is provided with use
In the first installing hole being slidably matched with the lead column；
The damping base includes：Base cylinder and the second flange for being fixed on the base cylinder lower end, outside the base cylinder
Wall is circumferentially fixed with multiple limited blocks that correspond with the stopper slot and relative can be slidably matched, and the limited block is by limit
Position block bolt is fixed on the base drum outer wall, and the base cylinder is axially overlapped with the lengthening guide section, the lead column
Lower end be fixed on the second flange, the helical spring is located between the second flange and the first flange.
Preferably, in above-mentioned damping, the spacing dividing plate is provided with multiple correspondences and installs the dividing plate bolt
First screwed hole.
Preferably, in above-mentioned damping, the limited block is provided with multiple correspondences and installs the limited block bolt
Second screwed hole, the inwall of the base cylinder is provided with the bolt hole that correspondence installs the limited block bolt.
Preferably, in above-mentioned damping, the structure of multiple spacing dividing plates is identical and along the platen cylinder
Inwall be evenly arranged, the spacing dividing plate be fit with the platen cylinder inboard wall fixation arc, the spacing dividing plate
Number be 3～5.
Preferably, in above-mentioned damping, the second flange top is provided with around the slow of the base cylinder periphery
Rush rubber ring.
Preferably, in above-mentioned damping, the upper end of the platen cylinder is provided with the 3rd flange, the 3rd flange
Internal diameter less than the cylinder guide section internal diameter, be provided with positioned at the platen cylinder inner ring below the 3rd flange
And the buffering rubber ring relative with the top axial of the base cylinder.
Preferably, in above-mentioned damping, the second flange is fixedly arranged above multiple nitrogen springs.
Preferably, in above-mentioned damping, the periphery of the platen cylinder is circumferentially welded with multiple gussets.
Preferably, in above-mentioned damping, the base cylinder inwall is provided with peace in multiple keypad grooves, the keypad groove
Equipped with the keypad for coordinating with drilling rod.
A kind of rotary drilling rig, including unit head and the as above damping described in any one.
The damping of the unit head that this utility model is provided, including the damping base and axially slidably of tubular
The buffering platen of damping base periphery is sheathed on, multiple lead columns is provided between damping base and buffering platen, outside lead column
Week is arranged with helical spring；Wherein, buffering platen includes platen cylinder and is fixed on pressure by the way that dividing plate bolt is circumferentially spaced
The multiple spacing dividing plate of disk cylinder inboard wall, forms stopper slot, under the first flange of platen cylinder periphery between adjacent spacing dividing plate
Side is provided with lengthening guide section, and first flange is provided with the first installing hole coordinated with lead column；Damping base includes base cylinder and the
Two flanges, base drum outer wall is fixed with the limited block being slidably matched with stopper slot by limited block bolt, and base cylinder is led with lengthening
To section axial overlap.
This utility model has the advantage that：(1) it is provided with lengthening below the first flange of buffering platen in this programme to lead
To section, the overlap distance of buffering platen and damping base is increased, effectively reduces deflection and the cross force caused by unbalance loading, it is to avoid
The spring stress that caused due to unbalance loading is uneven and there is spring fracture and the problems such as lead column is damaged, not only can increase buffering
Platen push during stability, and righting performance of the unit head to drilling rod can be improved, extend helical spring and guiding
The service life of post.(2) limited block of the stopper slot inside buffering platen and damping base is worked in coordination motion, prevents from down moving past
Twist motion in journey, protects lead column not easy to wear with the first installing hole, increases the service life.(3) spacing dividing plate and limit
Position block adopts convenient design for disassembly, and maintenance time and maintenance cost can be greatly decreased.(4) simple structure, without complex component,
Break down a little few, it is good to adverse circumstances adaptability.(5) limited block and spacing dividing plate may be designed as larger width, and intensity is higher,
It is difficult the load damage that is hit.
This utility model additionally provides a kind of rotary drilling rig, including unit head and damping as above.The rotary digging
The derivation of the beneficial effect that rig is produced is substantially similar with the derivation of the beneficial effect that above-mentioned damping brings, therefore
Repeat no more herein.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of rotary drilling rig；
Fig. 2 is the structural representation of the unit head of rotary drilling rig；
Fig. 3 is existing rubber shock-absorbing mechanism structure schematic diagram；
Fig. 4 is existing spring shock absorption mechanism structural representation；
Fig. 5 is buffer unit structure schematic diagram in prior art；
Fig. 6 is A-A in Fig. 5 to sectional view；
Fig. 7 is the guide flange structural representation of the buffer unit in Fig. 5；
Fig. 8 is the damping structural representation in this utility model specific embodiment；
Fig. 9 is the front section view of the damping in this utility model specific embodiment；
Figure 10 is the B-B direction sectional view in Fig. 9；
Figure 11 is the structural representation of the buffering platen in this utility model specific embodiment；
Figure 12 is the front section view of the buffering platen in this utility model specific embodiment；
Figure 13 is the C-C of Figure 12 to sectional view；
Figure 14 is the damping base structural representation in this utility model specific embodiment；
Figure 15 is another kind of position limiting structure schematic diagram in this utility model specific embodiment；
Figure 16 is the buffering rubber ring structural representation in this utility model specific embodiment.
In Fig. 1 to Fig. 7：
01- chassis, 02- drilling tools, 03- jib lubbing mechanisms, 04- unit heads, 05- drilling rods, 06- masts, 07- motors, 08- are slided
Frame, 09- reductors, 010- reduction boxes, 011- dampings, 012- yielding rubbers, 013- metal spacer rings, 014- fixing bolts,
015- flange in the bottom, 016- damping flanges, 017- lead columns, 018- helical springs, the spacing rubber of 019-, 020- limited posts,
021- key bodies, 022- buffering platens, 023- feather keys, 024- guide flanges, 025- guide key grooves；
In Fig. 8 to Figure 16：
1- buffering platens, 2- nitrogen springs, 3- damping bases, 4- split pins, 5- lead column nuts, 6- lead columns, 7- spiral shells
Rotation spring, 8- keypad bolts, 9- keypads, 10- limited blocks, 11- stopper slots, the spacing dividing plates of 12-, 13- gussets, 14- first are installed
Hole, 15- first flanges, the contact surfaces of 16- second, 17- platen cylinders, the flanges of 18- the 3rd, 19- lengthen guide section, 20- first and connect
Contacting surface, 21- dividing plate bolts, 31- keypad grooves, the contact surfaces of 32- the 3rd, 33- lead column fixing holes, 34- base cylinders, 35- the 4th connect
Contacting surface, 36- second flanges, 37- limited block bolts, 38- buffering rubber rings.
Specific embodiment
Core of the present utility model is to provide a kind of damping of unit head, the damping simple structure, work
It is reliable and stable, and it is easy to attended operation, later maintenance cost low, long service life.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 8 to Figure 14 is refer to, Fig. 8 is the damping structural representation in this utility model specific embodiment, and Fig. 9 is
The front section view of the damping in this utility model specific embodiment, Figure 10 is the B-B direction sectional view in Fig. 9, Tu11Wei
The structural representation of the buffering platen in this utility model specific embodiment, Figure 12 is slow in this utility model specific embodiment
The front section view of punching press disk, Figure 13 for Figure 12 C-C to sectional view, Figure 14 is the damping in this utility model specific embodiment
Understructure schematic diagram.
In a kind of specific embodiment scheme, this utility model provides a kind of damping of unit head, is applied to rotation
Dig rig, including tubular damping base 3 and be axially slidably sheathed on the buffering platen 1 of the periphery of damping base 3, subtract
Multiple lead columns 6 are provided between shake base 3 and buffering platen 1, the periphery of lead column 6 is arranged with helical spring 7.
Wherein, buffering platen 1 includes：Platen cylinder 17 and circumferentially spaced it is fixed on the multiple of the inwall of platen cylinder 17
Spacing dividing plate 12, spacing dividing plate 12 is fixed on the inwall of platen cylinder 17 by dividing plate bolt 21, between adjacent spacing dividing plate 12
The stopper slot 11 that shape is axially extended, i.e. stopper slot 11 extend along the axial direction parallel to platen cylinder 17, platen cylinder 17
Periphery is fixed with first flange 15, and first flange 15 is arranged at the stage casing of platen cylinder 17, and platen cylinder 17 includes being located at first
The cylinder guide section and the lengthening guide section 19 positioned at the lower section of first flange 15 of the top of flange 15, first flange 15 is provided with the first peace
Dress hole 14, the first installing hole 14 is used to be slidably matched with the epimere of lead column 6, the extreme position compressed by helical spring 7 come
Limit the operating position of buffering platen 1.
It should be noted that in order to ensure that spacing dividing plate 12 and platen cylinder 17 have enough bonding strengths, it is general logical
Cross multiple dividing plate bolts 21 to fix spacing dividing plate 12 and platen cylinder 17, as is illustrated by figs. 11 and 12, multiple dividing plate bolts 21
Can evenly or unevenly be arranged on spacing dividing plate 12.Preferably, spacing dividing plate 12 is provided with multiple correspondences and installs dividing plate
First screwed hole of bolt 21, by the way that screwed hole is arranged on spacing dividing plate 12, even if thread damage, buffering platen 1 also may be used
It is continuing with.When stopper slot 11 is unusable due to service wear, the spacing dividing plate 12 for more renewing is capable of achieving maintenance.Separately
Outward, fixation is bolted, while bonding strength is ensured, processing and manufacturing is also easily facilitated.
For the ease of assembling, it is preferable that the structure of multiple spacing dividing plates 12 is identical and along platen cylinder 17 in this programme
Inwall be evenly arranged, be arranged such, the width of each stopper slot 11 is equal, is easy to coordinate with the limited block 10 of damping base 3
Install, specifically, spacing dividing plate 12 is fixed arc of fitting with the inwall of platen cylinder 17, as shown in figure 13.
Specifically, the inner side of buffering platen 1 is provided with three spacing dividing plates 12 in this programme, constitutes three stopper slots 11, spacing
The width of groove 11 is about 1/3rd of spacing dividing plate 12, and the epimere periphery of damping base 3 is fixed with three limited blocks 10, it is clear that
The quantity of stopper slot 11 and limited block 10 can be adjusted according to practical situation, and both quantity are equal.Preferably, it is spacing
The quantity of dividing plate 12 is 3～5, to ensure that spacing dividing plate 12 and limited block 10 have enough width and intensity.Wherein, it is spacing
Block 10 will have certain required precision with the cooperation of stopper slot 11, to ensure that both smoothly relative can slide.
Preferably, the periphery of platen cylinder 17 is circumferentially welded with multiple gussets 13, and the position of gusset 13 and quantity need root
It is arranged according to the stressing conditions of buffering platen 1.
Buffering platen 1 in this programme is with the difference of conventional buffer platen：(1) it is made up of dismountable spacing dividing plate 12
Stopper slot 11, limits buffering platen 1 and the relative of single direction (along the axis direction of buffering platen 1) occurs 3 with damping base
Slide, without torsion；(2) lengthening guide section 19 is provided with, lengthening guide section 19 can increase steady during buffering platen 1 is pushed
It is qualitative, reduce the deflection and cross force caused by unbalance loading；(3) without the need for integral replacing buffering platen 1 after parts depreciation, only need to change
Spacing dividing plate 12, it is easy to maintenance and maintenance cost is low.
Specifically, damping base 3 includes：Base cylinder 34 and the second flange 36 for being fixed on the lower end of base cylinder 34, the second method
Blue 36 are used to that damping to be connected with unit head.Wherein, the outer wall of base cylinder 34 is circumferentially fixed with multiple and stopper slot
11 correspond the limited block 10 that relative can be slidably matched, and limited block 10 is fixed on outside base cylinder 34 by limited block bolt 37
Wall, base cylinder 34 is axially overlapped with guide section 19 is lengthened, and second flange 36, helical spring 7 are fixed in the lower end of lead column 6
Between second flange 36 and first flange 15, helical spring 7 is used to slow down impulsive force.Preferably, the inwall of base cylinder 34 is arranged
Have in multiple keypad grooves 31, keypad groove 31 and keypad 9 is installed by multiple keypad bolts 8, keypad 9 merges drive for matching somebody with somebody with drilling rod
Dynamic drilling rod spinning movement.Preferably, the top of second flange 36 is further fixed on multiple nitrogen springs 2, as shown in Fig. 8 to Figure 10.
It should be noted that in order to ensure that limited block 10 and base cylinder 34 have enough bonding strengths, typically by many
Individual limited block bolt 37 fixing limited block 10 and base cylinder 34, as shown in figure 14, multiple limited block bolts 37 can uniformly or
Unevenly it is arranged on limited block 10.Preferably, limited block 10 is provided with multiple correspondences and installs the second of limited block bolt 37
Screwed hole, the inwall of base cylinder 34 is provided with the bolt hole that correspondence installs limited block bolt 37.By setting on limited block 10
Screwed hole is put, when limited block 10 weares and teares unusable, quick reparation can be realized by changing limited block 10.Screwed hole is arranged on
Can ensure that damping base 3 overall because of thread damage will not be scrapped on limited block 10, only need to change limited block 10.In addition,
Fixation is bolted, while bonding strength is ensured, processing and manufacturing is also easily facilitated.
The damping base 3 of this programme increased base cylinder 34 and the internal keypad 9 installed compared with the common base of tradition,
Lengthening guide section 19 in buffering platen 1 is lengthened with the overlap distance of base cylinder 34, not only increases the stability of buffering platen 1,
Also improve righting performance of the unit head to drilling rod.
The assembly relation and operation principle of the damping that this programme is provided is as follows：The lower end of lead column 6 and damping base 3
Lead column fixing hole 33 according to predeterminated position by being welded and fixed；First method of the epimere of lead column 6 through the outside of buffering platen 1
The first installing hole 14 on blue 15, is then connected using lead column nut 5, and lead column nut 5 fixes anti-by split pin 4
Pine；The periphery of lead column 6 is arranged with helical spring 7, and under off working state, helical spring 7 is completely in elongation state and will buffer
Platen 1 is pushed up to the top of lead column 6.When buffering platen 1 is moved down by external force, first helical spring 7 provides counter-force and delays
Punching, after helical spring 7 is compressed to set amount, buffering platen 1 can be contacted with nitrogen spring 2, now, by helical spring 7 and nitrogen
Gas spring 2 provides buffering counter-force simultaneously.
In order to the external force for protecting helical spring 7 not to be exceeded setting load is damaged by pressure, this utility model is also provided with one kind can
To protect the position limiting structure of helical spring 7.As shown in Figure 15 and Figure 16, this programme damping base 3 second flange 36 it is upper
Square contact surface (the 4th contact surface 35 i.e. in Figure 14 and Figure 15) is provided with the buffering rubber ring 38 around the periphery of base cylinder 34, when
When helical spring 7 is all compressed to preset value, the lower surface (i.e. the second contact surface 16) of buffering rubber ring 38 and buffering platen 1
Contact to realize the buffering of extreme position, helical spring 7 is not recompressed, so as to protect helical spring 7 not to be subject to crushing.
Preferably, the upper end of platen cylinder 17 is additionally provided with the 3rd flange 18, and previously described gusset 13 just can be welded
Between the flange 18 of first flange 15 and the 3rd.The internal diameter of the 3rd flange 18 can be less than or equal to the internal diameter of cylinder guide section,
Preferably, the internal diameter of the 3rd flange 18 is less than the internal diameter of cylinder guide section in this programme, and the 3rd flange 18 is located at platen cylinder 17
The lower section (at the first contact surface 20 i.e. in Figure 12 and Figure 15) of inner ring is also equipped with buffering rubber ring 38, the buffering rubber ring 38
With upper end (i.e. at the 3rd contact surface 32 in Figure 14 and 15) the axially opposed arrangement of base cylinder 34.When the whole of helical spring 7
When being compressed to preset value, due to the setting of buffering rubber ring 38 so that the 3rd contact surface 32 will not be with the first contact surface 20
Raw contact-impact.It can be seen that, this programme preferably between the 4th contact surface 35 and the second contact surface 16 and the first contact surface 20 with
Buffering rubber ring 38 is set between the 3rd contact surface 32, it is possible to increase spacing contact area, reduces pressure, mechanical position limitation knot can be improved
The service life of structure.If position limiting structure is arranged at reducing of the first installing hole 14 of buffering platen 1 with lead column 6, can be because
Under for Reusability state, the diameter for being easily caused the first installing hole 14 is constantly expanded, or even is damaged, and affects overall operation
Stability.
The damping of the unit head that this utility model is provided has the advantage that：
(1) simple structure, without complex component, breaks down a little few, good to adverse circumstances adaptability；
(2) lengthening guide section 19 is arranged at the bottom of buffering platen 1, buffering platen 1 is increased with the overlap distance of damping base 3,
Coincidence face counteracts a part of load, is effectively reduced deflection and cross force that unbalance loading is caused, reduces what is caused due to unbalance loading
The unbalance stress of helical spring 7 and the problems such as the helical spring 7 that occurs fractures and lead column 6 is damaged, so as to extend helical spring 7 and
The working life of lead column 6；
(3) limited block 10 of the stopper slot 11 inside buffering platen 1 and damping base 3 is worked in coordination motion, prevents from moving down
During twist motion, the abrasion for reversing the installing hole 14 of lead column 6 and first for causing can be reduced, increase the service life；
(4) limited block 10 and the width of spacing dividing plate 12 are larger, and intensity is higher, are difficult the load damage that is hit；
(5) when position limiting structure is damaged, spacing dividing plate 12 and limited block 10, convenient disassembly, without the need for inciting somebody to action need to only be changed
Damping integral replacing, can be greatly decreased maintenance time and maintenance cost, and extend the service life of whole damping, together
When, spacing dividing plate 12 and the simple structure of limited block 10, low cost of manufacture.
This utility model additionally provides a kind of rotary drilling rig, including unit head and damping as above.Wherein, subtract
Shake mechanism is connected by the second flange 36 of damping base 3 with unit head.Beneficial effect that the rotary drilling rig is produced is pushed away
Lead process substantially similar with the derivation of the beneficial effect that above-mentioned damping brings, therefore repeat no more herein.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case of without departing from spirit or scope of the present utility model.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of damping of unit head, it is characterised in that damping base (3) including tubular and axially slidably
The buffering platen (1) of the damping base (3) periphery is sheathed on, is set between the damping base (3) and the buffering platen (1)
Multiple lead columns (6) are equipped with, lead column (6) periphery is arranged with helical spring (7)；
The buffering platen (1) includes：Platen cylinder (17) and circumferentially spaced it is fixed on platen cylinder (17) inwall
Multiple spacing dividing plate (12), the spacing dividing plate (12) is fixed in the platen cylinder (17) by dividing plate bolt (21)
Wall, forms the stopper slot (11) for axially extending between the adjacent spacing dividing plate (12), platen cylinder (17) periphery is solid
Surely there is first flange (15), the platen cylinder (17) includes being located at the cylinder guide section above the first flange (15) and position
Lengthening guide section (19) below the first flange (15), the first flange (15) be provided with for the lead column
(6) the first installing hole (14) being slidably matched；
The damping base (3) includes：Base cylinder (34) and the second flange (36) of base cylinder (34) lower end is fixed on, institute
State base cylinder (34) outer wall and be circumferentially fixed with and multiple relative can be slidably matched spacing is corresponded with the stopper slot (11)
Block (10), the limited block (10) is fixed on base cylinder (34) outer wall, the base cylinder by limited block bolt (37)
(34) axially overlap with lengthening guide section (19), the second flange (36) is fixed in the lower end of the lead column (6),
The helical spring (7) is between the second flange (36) and the first flange (15).
2. damping according to claim 1, it is characterised in that the spacing dividing plate (12) is provided with multiple correspondence peaces
Fill the first screwed hole of the dividing plate bolt (21).
3. damping according to claim 1, it is characterised in that the limited block (10) is provided with multiple correspondences and installs
Second screwed hole of the limited block bolt (37), the inwall of the base cylinder (34) is provided with correspondence and installs the limited block spiral shell
The bolt hole of bolt (37).
4. damping according to claim 1, it is characterised in that the structure of multiple spacing dividing plates (12) is identical simultaneously
And the inwall along the platen cylinder (17) is evenly arranged, the spacing dividing plate (12) is and platen cylinder (17) inwall patch
Fixed arc is closed, the number of the spacing dividing plate (12) is 3～5.
5. damping according to claim 1, it is characterised in that second flange (36) top is provided with around institute
State the buffering rubber ring (38) of base cylinder (34) periphery.
6. damping according to claim 5, it is characterised in that the upper end of the platen cylinder (17) is provided with the 3rd
Flange (18), the internal diameter of the 3rd flange (18) is less than the internal diameter of the cylinder guide section, under the 3rd flange (18)
Side is provided with positioned at platen cylinder (17) inner ring and relative with the top axial of the base cylinder (34) described slow
Rush rubber ring (38).
7. damping according to claim 1, it is characterised in that the second flange (36) is fixedly arranged above multiple nitrogen
Gas spring (2).
8. damping according to claim 1, it is characterised in that circumferentially weld the periphery of the platen cylinder (17)
There are multiple gussets (13).
9. damping according to any one of claim 1 to 8, it is characterised in that base cylinder (34) inwall sets
The keypad (9) being provided with for coordinating with drilling rod is equipped with multiple keypad grooves (31), the keypad groove (31).
10. a kind of rotary drilling rig, it is characterised in that including unit head and damping as claimed in any one of claims 1-9 wherein
Mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085651.6U CN206159357U (en) | 2016-09-27 | 2016-09-27 | Dig rig soon and damper of unit head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085651.6U CN206159357U (en) | 2016-09-27 | 2016-09-27 | Dig rig soon and damper of unit head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159357U true CN206159357U (en) | 2017-05-10 |
Family
ID=58653359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621085651.6U Expired - Fee Related CN206159357U (en) | 2016-09-27 | 2016-09-27 | Dig rig soon and damper of unit head thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159357U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777661A (en) * | 2019-10-29 | 2020-02-11 | 北京交通大学 | Flange connection prefabricated assembly pier structure and construction method thereof |
| CN110847806A (en) * | 2019-11-15 | 2020-02-28 | 徐州健川机械制造有限公司 | Power head buffering device of rotary drilling rig |
| CN113216831A (en) * | 2021-06-03 | 2021-08-06 | 江西东锐机械有限公司 | Integrated rotary head mechanism for drilling machine |
| CN114016895A (en) * | 2021-11-19 | 2022-02-08 | 国网四川省电力公司达州供电公司 | Modular assembly type drilling machine for forming hole in miniature pile |
| CN115288602A (en) * | 2022-10-09 | 2022-11-04 | 徐州景云祥机械制造有限公司 | Rotary excavating machine power head structure for silty rock stratum |
-
2016
- 2016-09-27 CN CN201621085651.6U patent/CN206159357U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110777661A (en) * | 2019-10-29 | 2020-02-11 | 北京交通大学 | Flange connection prefabricated assembly pier structure and construction method thereof |
| CN110847806A (en) * | 2019-11-15 | 2020-02-28 | 徐州健川机械制造有限公司 | Power head buffering device of rotary drilling rig |
| CN110847806B (en) * | 2019-11-15 | 2021-02-09 | 徐州健川机械制造有限公司 | Power head buffering device of rotary drilling rig |
| CN113216831A (en) * | 2021-06-03 | 2021-08-06 | 江西东锐机械有限公司 | Integrated rotary head mechanism for drilling machine |
| CN114016895A (en) * | 2021-11-19 | 2022-02-08 | 国网四川省电力公司达州供电公司 | Modular assembly type drilling machine for forming hole in miniature pile |
| CN114016895B (en) * | 2021-11-19 | 2024-01-09 | 国网四川省电力公司达州供电公司 | Modular assembly type drilling machine for micro pile hole forming |
| CN115288602A (en) * | 2022-10-09 | 2022-11-04 | 徐州景云祥机械制造有限公司 | Rotary excavating machine power head structure for silty rock stratum |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206159357U (en) | Dig rig soon and damper of unit head thereof | |
| CN104832080B (en) | A kind of light-duty all-hydraulic drill of coal mine down-hole drilling | |
| CN106930267A (en) | Hydraulic pressure tamping unit and hydraulic pressure beater | |
| CN103726785B (en) | Rotary drilling rig with hydraulic breaking hammer device | |
| CN214530675U (en) | Protective device for cast-in-situ bored pile | |
| CN105909177A (en) | Vibrating and twisting combined impact speeding-up drill | |
| CN208089847U (en) | A kind of rotary digging drill power head shock absorber structure and rotary drilling rig | |
| CN203626843U (en) | Heading machine suitable for drilling shaft with pilot shaft | |
| CN106988673B (en) | A kind of damping type air inlet revolving gear | |
| CN114893182B (en) | Mechanical mining equipment and process based on hard rock hole array mutation fracture modification | |
| CN104196445A (en) | Deflection-swinging type semi-automatic rod replacing hydraulic rock drilling machine | |
| CN201065741Y (en) | Rotary drill rod damage-proof device | |
| CN204646085U (en) | Colliery light hydraulic rig | |
| CN204283251U (en) | Elevator and rotary drilling rig | |
| CN112696149A (en) | Down-the-hole coring hammer head and annular down-the-hole hammer | |
| CN206438378U (en) | A kind of overload protection arrangement for milling machine milling assembly | |
| CN205778553U (en) | Shake torsion composite impact speed-raising drill bit | |
| CN214659921U (en) | Down-the-hole coring hammer head and annular down-the-hole hammer | |
| CN104555153B (en) | Turn round direct acting arch breaking apparatus | |
| CN209244501U (en) | A kind of piling machine for building with anti-fracture function | |
| CN207332839U (en) | A kind of coiling pipe bender and drill jumbo | |
| CN206513317U (en) | A kind of oil-gas mining drilling well damper | |
| CN104895487B (en) | Combinationdrill | |
| CN110424909A (en) | A kind of new drilling tool spinner assembly | |
| CN211819268U (en) | Drill rod for long spiral drilling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |