CN208024284U

CN208024284U - It is sufficiently stirred type chain broaching

Info

Publication number: CN208024284U
Application number: CN201820105515.1U
Authority: CN
Inventors: 周兆弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-12
Filing date: 2018-01-22
Publication date: 2018-10-30
Anticipated expiration: 2028-01-22
Also published as: CN108868642A; CN210217634U; CN108868646A; CN208024286U; CN109138849A; CN207905714U; CN108868636A; CN208024282U; CN207905718U; CN208024291U; CN108868643A; CN108868646B; CN208024289U; CN108868637A; CN207905719U; CN108868640A; CN207905716U; CN108868644A; CN208024287U; CN108868648A

Abstract

The utility model discloses one kind being sufficiently stirred type chain broaching, the chain broaching includes the chain type carrier positioned at drilling rod lower part, chain type carrier is driven by chain-drive mechanism carries out circumferential revolution or reciprocally swinging, and the surface of chain type carrier is fixedly connected with or is removably connected with cutting teeth and cutting teeth protrudes from the surface of chain type carrier；The different direction of cutting teeth directional on chain type carrier tilts that the projection of the cutting teeth on the chain type carrier in the vertical direction is made to form a sector.In the drill bit, the cutting teeth on each chain type carrier can form fan-shaped cut surface, and the excavation efficiency of chain type carrier greatly improves；And fan-shaped cut surface is collectively formed by multiple cutting teeths with differing tilt angles or inclined direction, front end, which is run, from chain type carrier runs rear end to chain type carrier, each cutting teeth successively cuts the soil body, the area of cut surface is gradually expanded, while to expand cut surface, the utilization rate of each cutting teeth is improved.

Description

It is sufficiently stirred type chain broaching

The requires of the utility model applying date is that " on May 12nd, 2017 ", application No. is " 2017205251560 ", entitled The priority of the Chinese utility model patent application of " soil body is sufficiently stirred type chain broaching ", while it is " 2017 to require the applying date On December 12, in ", application No. is " 2017113202359 ", the Chinese invention patent Shens of entitled " stake machine chain broaching and stake machine " Priority please, entire contents are incorporated among the application.

Technical field

The utility model belongs to pile machine equipment technical field, is related to cement mixing pile-forming equipment, more particularly, to a kind of stake Machine and its chain broaching and related component or component, and in particular to one kind being sufficiently stirred type chain broaching.

Background technology

Cement mixing pile foundation is a kind of effective treatment of soft foundation form, usually using cement as the host agent of curing agent, profit Cement jet is entered into the soil body with mixing pile machine and is sufficiently stirred, makes cement that a series of physical chemical reaction occur with soil, to make weak soil It hardens and improves foundation strength.

The prior art carrys out pore-forming usually using rotary pile-digging machine, sprays curing agent by the shotcrete pipe on drill bit, rotary digging at The hole soil body is broken, and soil cement reinforcing body is formed after being stirred with curing agent.This drill bit of pile machine cuts powder using screw blade Hack body, blade or tip size are bigger, and the ground size being cut is larger, or even will appear blocky phenomenon, this It can lead to following problems：1. in cement-soil-stirred pile manufacturing process, cement mortar cannot be introduced into " blocking ground ", lead to coagulation There is blocky ground in native mixing pile, cement-soil-stirred pile resistance to compression, carrying stress performance is caused to be substantially reduced；2. digging silt when boring Layer and when making cement-soil-stirred pile, in fact it could happen that soil compaction effect makes cement-soil-stirred pile lower hollow, and it is existing " floating stake " occur As causing Soil-cement pile foundation unstable.This can undoubtedly influence pile quality.

A kind of chain cutter type mixing pile wall forming equipment is also disclosed in the prior art, there are two chain knives to cut box assembly for tool, Chain knife cutting box assembly is provided with drive sprocket, idle wheel and chain rail, and several groups wherein are fixedly mounted by toolframe on chain rail Spaced transverse direction cutter, the rotation of drive sprocket and idle wheel drive chain rail to be rotated with cutter thereon, are achieved in pair The cutting of the soil body is stirred.This chain cutter type mixing pile wall forming equipment is mostly used excavating slot type basis, and chain knife cuts box assembly Sufficiently bulky, driving power is big, high energy consumption, and its power is arranged on the sub- top of stake rack, this results in transmission chain longer, not only So that dynamic efficiency is low, and it is susceptible to failure.In addition, arranged on chain rail be larger width lateral cutter, still deposit Ineffective technical problem is smashed in the soil body.

In view of this, it is necessary to propose a kind of new stake machine scheme, and accordingly optimization and building block or modular construction.

Utility model content

To solve the above-mentioned problems, this application provides one kind being sufficiently stirred type chain broaching.

One kind being sufficiently stirred type chain broaching, includes the chain type carrier positioned at drilling rod lower part, the chain type carrier is by chain Transmission mechanism drives the circumferential revolution of progress or reciprocally swinging, the surface of the chain type carrier to be fixedly connected or be removably connected with Cutting teeth and cutting teeth protrude from the surface of chain type carrier；The different direction of cutting teeth directional on the chain type carrier tilt from And the projection of cutting teeth in the vertical direction on the chain type carrier is made to form a sector.

It is sufficiently stirred in type chain broaching in above-mentioned, the cutting teeth is arranged at equal intervals on chain type carrier, cutting A chain type carrier surface is tilted to another chain type carrier direction tooth successively wherein.

It is sufficiently stirred in type chain broaching in above-mentioned, the cutting teeth on two adjacent chain type carriers is interlaced.

It is sufficiently stirred in type chain broaching in above-mentioned, the cutting teeth angularly tilts to 45 degree, cutting teeth isogonism Inclined be distributed on a chain type carrier is spent to repeat.

It being sufficiently stirred in type chain broaching in above-mentioned, the height of the cutting teeth on the chain type carrier differs, and The cutting tooth surface concave-convex surface.

It is sufficiently stirred in type chain broaching in above-mentioned, described cutting teeth itself forms saw-like structure, and described cuts Cutting tooth surface has the small tooth of cutting.

It is sufficiently stirred in type chain broaching in above-mentioned, the chain type carrier has two, and two chain type carriers are not same In one plane, the auxiliary cutting assembly that can circumferentially rotate is equipped with two chain type carrier ends, in two chain type carriers Between be equipped with and can convey the conveying tube assembly of slurry and/or compressed air.

It is sufficiently stirred in type chain broaching in above-mentioned, the auxiliary cutting assembly includes auxiliary chain and is fixed on auxiliary The assist tooth on chain, the assist tooth is helped to protrude from the surface of auxiliary chain.

It is sufficiently stirred in type chain broaching in above-mentioned, the conveying tube assembly includes feed pipe for mortar and/or appendix, institute The nozzle of the feed pipe for mortar and/or appendix stated extends to the middle part of chain type carrier.

It is sufficiently stirred in type chain broaching in above-mentioned, the chain type carrier can be driven by driving mechanism and carry out circumferential turn The dynamic and driving structure is located at drilling rod lower part.

Compared with prior art, the application has the beneficial effect that：

In the drill bit of the utility model, the cutting teeth on each chain type carrier can form fan-shaped cut surface, chain type carrier Excavation efficiency greatly improve；And fan-shaped cut surface is by multiple cutting teeths with differing tilt angles or inclined direction It is collectively formed, run front end from chain type carrier runs rear end to chain type carrier, and each cutting teeth successively cuts the soil body, The area of cut surface is gradually expanded, cut surface is finally made to become sector；While to expand cut surface, each cutting is improved The utilization rate of tooth, and for individual cutting teeth, the fineness of the soil body cut down is higher so that and chain type carries The cutting fineness of body is also higher.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model stake machine chain broaching；

Fig. 2 is schematic diagram of the utility model stake machine chain broaching under another visual angle；

Fig. 3 is the structural schematic diagram of Fig. 2 other directions；

Fig. 4 is the enlarged drawing of part A in Fig. 1；

Fig. 5 is the enlarged drawing of part B in Fig. 2；

Fig. 6 is the first arrangement side in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Formula schematic diagram；

Fig. 7 is second of arrangement side in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Formula schematic diagram；

Fig. 8 is the third arrangement side in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Formula schematic diagram；

Fig. 9 is the 4th kind of arrangement side in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Formula schematic diagram；

Figure 10 is the 5th kind of arrangement in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Mode schematic diagram；

Figure 11 is the 6th kind of arrangement in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Mode schematic diagram；

Figure 12 is the 7th kind of arrangement in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Mode schematic diagram；

Figure 13 is the 8th kind of arrangement in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Mode schematic diagram；

Figure 14 is the 9th kind of arrangement in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Mode schematic diagram；

Figure 15 is the tenth kind of arrangement in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Mode schematic diagram；

Figure 16 is the tenth a kind of cloth in chain rack applied to the chain type carrier in the utility model stake machine chain broaching Set mode schematic diagram；

Figure 17 is that the soil body of embodiment 1 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 18 is that the soil body of Figure 17 is sufficiently stirred structural schematic diagram of the type chain broaching under another visual angle；

Figure 19 is that structural schematic diagram of the cutting assembly under another visual angle is assisted in Figure 17；

Figure 20 is that the soil body of embodiment 2 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 21 is that the soil body of Figure 20 is sufficiently stirred structural schematic diagram of the type chain broaching under another visual angle；

Figure 22 is that the soil body of embodiment 3 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 23 is that the soil body of Figure 22 is sufficiently stirred structural schematic diagram of the type chain broaching under another visual angle；

Figure 24 is that the soil body of embodiment 4 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 25 is that the soil body of Figure 24 is sufficiently stirred structural schematic diagram of the type chain broaching under another visual angle；

Figure 26 is that the soil body of embodiment 5 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 27 is that the soil body of embodiment 6 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 28 is that the soil body of embodiment 7 is sufficiently stirred the structural schematic diagram of type chain broaching；

Figure 29 is the structural schematic diagram that second of soil body is sufficiently stirred type chain broaching in embodiment 7；

Figure 30 is that the soil body of Figure 29 is sufficiently stirred structural schematic diagram of the type chain broaching under another visual angle；

Figure 31 is the structural schematic diagram that the ring chain in type chain broaching is sufficiently stirred applied to the soil body of embodiment 8；

Figure 32 is to be sufficiently stirred another form of ring chain in type chain broaching applied to the soil body of embodiment 8 Structural schematic diagram；

Figure 33 is the first distribution side that the cut vector in type chain broaching is sufficiently stirred applied to the soil body of embodiment 9 Formula schematic diagram；

Figure 34 is Figure 33 vertical direction perspective views；

Figure 35 is second of distribution side that the cut vector in type chain broaching is sufficiently stirred applied to the soil body of embodiment 9 Formula schematic diagram；

Figure 36 is Figure 35 vertical direction perspective views；

Figure 37 is second of distribution side that the cut vector in type chain broaching is sufficiently stirred applied to the soil body of embodiment 9 Formula schematic diagram；

Figure 38 is Figure 37 vertical direction perspective views；

Figure 39 is the third distribution side that the cut vector in type chain broaching is sufficiently stirred applied to the soil body of embodiment 9 Formula schematic diagram；

Figure 40 is Figure 39 vertical direction perspective views；

Figure 41 is the 4th kind of distribution side that the cut vector in type chain broaching is sufficiently stirred applied to the soil body of embodiment 9 Formula schematic diagram；

Figure 42 is Figure 41 vertical direction perspective views；

Figure 43 is the 5th kind of distribution side that the cut vector in type chain broaching is sufficiently stirred applied to the soil body of embodiment 9 Formula schematic diagram；

Figure 44 is Figure 43 vertical direction perspective views；

Figure 45 is Figure 31 vertical direction perspective views；

Figure 46 is another perspective view of Figure 31 vertical directions；

Figure 47 is the structural schematic diagram for being applied to the ring chain that the soil body is sufficiently stirred in type chain broaching；

Figure 48 is enlarged drawing at the C of Figure 47；

Figure 49 is another knot that the ring chain in type chain broaching is sufficiently stirred applied to the soil body of Figure 17~Figure 32 Structure schematic diagram；

Figure 50 is the structural schematic diagram of the first cutting teeth in the drill bit of pile machine applied to Fig. 1~Fig. 3；

Figure 51 is the structural schematic diagram of second of cutting teeth in the drill bit of pile machine applied to Fig. 1~Fig. 3；

Figure 52 is the structural schematic diagram of the third cutting teeth in the drill bit of pile machine applied to Fig. 1~Fig. 3；

Figure 53 is the structural schematic diagram of the 4th kind of cutting teeth in the drill bit of pile machine applied to Fig. 1~Fig. 3；

Figure 54 is the structural schematic diagram of the 5th kind of cutting teeth in the drill bit of pile machine applied to Fig. 1~Fig. 3；

Figure 55 is structural schematic diagrams of the Figure 51 under another visual angle；

Figure 56 is the structural schematic diagram of the power plant sealing structure applied to the utility model drill bit of pile machine；

Figure 57 is the structural schematic diagram at sealing ring in Figure 56；

Figure 58 is the enlarged drawing of sealing ring in Figure 57；

Figure 59 is the enlarged drawing of the parts D in Figure 56；

Figure 60 is the enlarged drawing of the parts E in Figure 56.

In figure：Ring chain 1, chain rack 1a, rod babinet 1aa, bending part 1ab, outer inclined-plane 1ac, outer inclined-plane 1ad, master Movable sprocket 1b, axle sleeve 1ba, ring-shaped step 1bb, the first mounting hole 1bc, guide surface 1bd, driven sprocket 1c, carrier bar 1d, interior hexagonal Fillister head screw 1e, spring washer 1f, bulge-structure 2, cutting teeth 3, cutting portion 31, notch 32, mounting hole 33, interconnecting piece 34, It is work department 35, casting face 36, auxiliary cutting assembly 4, conveying tube assembly 5, chain type cutting assembly 6, feed pipe for mortar 7, appendix 8, auxiliary Help chain 9, assist tooth 10, driving mechanism 11, transmission component 11a, protective cover 11b, output main shaft 11c, driving mechanism body 11d, ring flange 11e, cover 11f, ontology 11g, the 4th mounting hole 11h, drilling rod 100, cut vector 101, chain link inner panel 201, Chain link outside plate 202, chain link axis pin 203, chain-drive mechanism 204, power plant 205, seal closure 300, annular in stop circle 301, First end 302, second end 303, first annular end face 304, the second annular end face 305, joint face 306, third mounting hole 307, The outer stop circle 400 of annular, lid 401, extension 402, fastening bolt 403, sealing ring 500, annular notch 501, annular groove 502, annular sealing surface 503, elastic ring 600, shading ring 700.

Specific implementation mode

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

As shown in Fig. 1~Fig. 3, Figure 17~Figure 23, the stake machine chain broaching of the present embodiment is that a kind of soil body is sufficiently stirred type Chain broaching comprising chain rack 1a, chain rack 1a are connected with drilling rod 100, are located at 100 lower part of drilling rod, drilling rod 100 therein can For single-unit or Multi-section retractable structure；Chain rack 1a is equipped at least one chain type carrier, and chain type carrier is equipped with several be used for The bulge-structure of cutting soil, concretely cutting teeth 3, the outer end of cutting teeth 3 protrude from chain type carrier；It is set on chain rack 1a Dynamic device 205, wherein power plant 205 are connected with chain-drive mechanism 204, and chain-drive mechanism 204 is for driving chain type to carry Body is circumferentially turned round on chain rack 1a or reciprocally swinging.

The drill bit of the present embodiment is located at 100 lower part of drilling rod, and (power plant is set up directly on brill using underlying power drive On head), the underlying power that thoroughly solves of power is arranged in the brought security risk in the sub- top end part of stake rack, especially drill bit torsion Requirement to shelf intensity and drilling rod bending strength；The diameter for reducing drilling rod, can drill out the stake of small-bore in this way；Using power Underlying drill bit can more effectively transmit torque, reduce power loss；The power demand change to power plant 205 is postponed under power It is small, even if only existing dynamic 1/50th also can easily drive；The cutting of power underlying cooperation chain type can effective handle The soil body shreds so that cement can more fully be blended in one with the soil body, improve the performance of mixing pile；Using power is underlying can be with With the use of telescopic drill rod, stacks can not had in this way, greatly improve drilling efficiency.

In the present embodiment, chain type carrier can be chain, can also crawler belt, the isostructural other chain type carriers of chain replace Generation；In addition to annular, chain type carrier can also be bar shaped.Wherein, when chain type carrier is annular or bar shaped chain, structure and function For：For ring chain 1 when, around being supported on corresponding drive sprocket 1b and driven gear 1c, action can be turned round, time Rotation drives cutting teeth 3 to act during making, and realizes and excavates；For bar shaped chain when, both ends are fixed respectively and are wound on corresponding master Folding and unfolding, or connection cam structure are carried out on movable sprocket 1b or driven sprocket 1c, it is possible thereby to reciprocating action, in reciprocating action It drives cutting teeth 3 to act in the process, realizes and excavate.

Cutting teeth 3 in the present embodiment can be the multiple tooth structure of saw blade-shaped, can also be the anodontia of blade-shaped or few tooth Structure (for ease of description, in this application uses the latter " cutter " this nickname) sometimes, the cutting of both structures Tooth 3 can bend or reverse to the side of chain type carrier traffic direction, thus increase the equivalent cutting width of cutting teeth 3.

Without loss of generality, in following contents, the present embodiment carries out stake machine chain broaching by taking ring chain 1 as an example It introduces.

The chain-drive mechanism 204 of the present embodiment includes the drive sprocket 1b being set on chain rack 1a and driven sprocket 1c, ring Shape chain 1 is set around on drive sprocket 1b and driven sprocket 1c.Herein, drive sprocket 1b and driven sprocket 1c is on chain rack 1a Installation site do not limit, such as：Drive sprocket 1b may be above driven sprocket 1c, can also be under driven sprocket 1c Side.Further, it is also possible to which two drive sprocket 1b are arranged simultaneously, when two drive sprocket 1b are arranged, need to use differential mechanism, it is poor Fast device is arranged between two drive sprocket 1b.

In the present embodiment, chain rack 1a is to play a role as the load bearing component of ring chain 1, therefore its form can Can be specifically connecting seat, flange, connection frame etc. to be various.For example, chain rack 1a can be as shown in Figure 1 to Figure 3 It is wholely set, the rod chair mechanisms of multistage bending (for simplicity, arrive this chain rack 1a forms involved in following the description When, also use the abbreviation of " drill headstock "), drill headstock is advantageous in that convenient for the layout of a plurality of ring chain 1, avoids generating dry It relates to；It can certainly be other structures form, be subject to and be suitble to arrangement ring chain 1.

(it is preferably using several ring chains 1 when chain rack 1a structures, are equipped with shown in Fig. 1~3 on chain rack 1a It is multiple), power plant 205 can be arranged directly in the babinet of chain rack 1a.The drive scheme for using power underlying, at this time It is necessary to be optimized to sealing, particular content can be with further reference to the description hereafter to power plant sealing structure.

As shown in Figures 1 to 3, power plant 205 includes multiple driving mechanisms 11 (can be hydraulic motor or motor etc.), is driven Motivation structure 11 is arranged in a one-to-one correspondence with the drive sprocket 1b of each ring chain 1 to be connected, and is mounted in each driving mechanism 11 One drive sprocket 1b, for driving a ring chain 1；And driving mechanism 11 is from top to bottom set successively on chain rack 1a It sets, is convenient for meeting the space layout requirement on chain rack 1a in this way.Multiple driving mechanisms 11 are configured in this power plant 205, Traffic direction, speed convenient for each ring chain of independent control 1.

It herein, it will be appreciated by those skilled in the art that should there are certain intervals between different driving mechanism 11.Specifically Ground, each driving mechanism 11 are from top to bottom set gradually on chain rack 1a, this allows for each driving mechanism 11 can be in longitudinal direction Layout, advantageously reduces the lateral dimension of entire drill bit.

Using when chain rack 1a structures, chain rack 1a includes that at least two sections of rod babinets are (as shown in Figure 2 shown in Fig. 1~3 Chain rack 1a include four sections), each rod babinet 1aa can be in Different Plane, two be disposed adjacent section rod case It is connected by bending part 1ab between body 1aa；The overbending direction of adjacent bend 1ab can be identical, can also part is identical, portion Split-phase is anti-(for example, in Fig. 1, first, second and third section is rolled over to the first lateral bending respectively, and the 4th section reversely bends to the other side), each to drive Mechanism 11 is separately positioned in different sections of rod babinet 1aa；Each bending part 1ab can with adjacent rod babinet 1aa at Obtuse angle is arranged, and each bending part 1ab all has towards the outer inclined-plane 1ac in drilling rod direction and towards chain rack extending direction Outer inclined-plane 1ad, the outer inclined-plane 1ad of the top of each ring chain 1 respectively close to corresponding bending part 1ab.

In fig. 2, chain rack 1a is four sections of bendings, and wherein first three section is bent in the same direction, and the 4th section towards other direction Reversed bending, therefore it is drive sprocket 1b that can driving mechanism 11 be arranged on one~tetra- section of rod case respectively, and the 4th Shared driven sprocket 1c is set in section, interference will not be formed when being arranged so ring chain 1.Certainly, this multistage is bent The hop count of chain rack 1a can be adjusted with chain number, be subject to and ring chain 1 is not caused to interfere.

In Fig. 1~Fig. 3, driving mechanism 11 is multiple, and drive sprocket 1b or driven sprocket 1c are also multiple, they distinguish It is correspondingly arranged with corresponding ring chain 1.It is understood that the driving mechanism 11 of each ring chain 1, drive sprocket 1b or Driven sprocket 1c can also be shared, and need the drive sprocket 1b that will be shared or driven sprocket 1c coaxial arrangements at this time, this mode can To save equipment cost, but it can only realize in the same direction, synchronized, the synchronous driving of each chain；In order to realize torque payment or portion Divide payment, shared driving mechanism 11, drive sprocket 1b or driven sprocket 1c there should be at least two sets.

In addition, chain rack 1a can also be and connect frame as shown in Figure 17 to Figure 27, a chain rack 1a is for installing one A ring chain 1 can be connected with each other between the chain rack 1a corresponding to different ring chains 1；Using the chain machine of this form When frame 1a, driving mechanism 11 can be arranged in the top of each ring chain 1 and by transmission component and ring chain 1 phase one by one Even；Driving mechanism 11 can also be arranged in the gap between adjacent annular chain 1.

Certainly, chain rack 1a, ring chain 1 can also use other usual manners outside the present embodiment to substitute.In addition, ring Shape chain 1 and the set-up mode of the connection of driving mechanism 11, the connection type of chain rack 1a and drilling rod, driving mechanism 11 can also be adopted With other usual manners outside the present embodiment.

Similarly, it should be readily apparent to one skilled in the art that chain rack 1a is when using the connection mount structure of Figure 17~Figure 27, Driving mechanism 11, drive sprocket 1b or the driven sprocket 1c of each ring chain 1 equally can be shared or are separately provided, no longer superfluous It states.

In the present embodiment, ring chain 1 should have at least one, be mounted to the cutting teeth 3 of array distribution above, thus Constitute a plurality of cutting body units.In this way, ring chain 1 rotate when, these cutting body units realization the soil body is cut, It crushes and stirs.

Chain type carrier is in circumferentially revolution or during reciprocally swinging (i.e. in digging process) on drill headstock, by excavation object It will produce reaction torque and act on chain type carrier, and this reaction force is transmitted on drill headstock by chain type carrier.If no It takes measures to be balanced, this reaction force can be such that drill headstock moves against the direction of motion of chain type carrier.Therefore the present embodiment In, ring chain 1 preferably has at least two, and the direction phase that at least two ring chains 1 circumferentially turn round on chain rack 1a Instead, and the torque of the circumferential revolution generation of each ring chain 1 is repealed by implication or is at least partly offseted.Adjacent two ring chains 1 it Between distance can reduce as much as possible to ensure to excavate efficiency, only it is noted that not allowing cutting on adjacent two ring chains 1 Tooth 3 is encountered.

When using previous bit seat as chain rack 1a, since driving mechanism 11 is the different height in chain rack 1a On position, it will be appreciated by those skilled in the art that height herein refers to the drill bit driving mechanism 11 in a state of use Relative position where center, therefore in the same side of chain rack 1a, the chain lengths of different ring chains 1 be it is different, In order to ensure that torque payment is balanced, need installation direction by each driving mechanism 11 and drive sprocket 1b on chain rack 1a and Installation site is well-designed according to the length of ring chain 1.Four annulars are provided in drill bit of pile machine as shown in FIG. 1 to 3 Chain 1, the present embodiment is by longest ring chain 1 and shortest ring chain 1 mounted on the same side of chain rack 1a and in chain The direction circumferentially turned round on rack 1a is identical, in remaining two long ring chain 1 be then mounted on chain rack 1a the other side and The direction circumferentially turned round on chain rack 1a is identical, but the ring chain 1 in chain rack 1a opposite sides is on chain rack 1a The direction circumferentially turned round is balance opposite, that so certifiable chain rack 1a is subject to.

Arrangement form of the ring chain 1 on chain rack 1a is diversified, and the layout of ring chain 1 determines cutting The distribution mode of tooth 3, and then determine digging mode of the drill bit to the soil body.To endless chain in the stake machine chain broaching of the present embodiment 1 arrangement form of item describes in detail.

As shown in Fig. 1, Figure 18, Figure 21 and Figure 23, in the present embodiment, 1 place plane of each ring chain is mutually parallel, each ring Projection overlapping of the moiety segments of shape chain 1 in a plane parallel with 1 place plane of ring chain, the moiety segments are perpendicular Straight setting, the cutting teeth 3 on the moiety segments is to form facing tool battle array at this time.Fig. 6 also illustrates moiety segments inclination The embodiment of setting.

In addition, as shown in Fig. 7~Fig. 8, the moiety segments of plane ring chain 1 arranged in parallel where can also making Projection in a plane parallel with 1 place plane of ring chain is parallel or is distributed at angle.

In addition, as shown in Figure 10, Figure 17, the plane where a plurality of ring chain 1 can also be arranged to overlap.Extremely The moiety segments of few two ring chains 1 are planar located at same straight line or parallel in ring chain 1.It can also be arranged For at least the moiety segments of two ring chains 1 are planar arranged at angle in 1 institute of ring chain.Preferably, angle is set Setting can planar be distributed the moiety segments of each ring chain 1 at sector diverging in 2 institute of chain type serobila.

In addition, as shown in Fig. 9, Figure 12-16, each ring chain 1 can also be arranged to at least two 1 institutes of ring chain Plane intersect.Wherein, the friendship of the moiety segments of at least one ring chain 1 and two 1 place planes of ring chain Line overlap is parallel；Or, at least partly segment of each ring chain 1 and the intersection of two 1 place planes of ring chain are at folder Angle is distributed.It can also be arranged to, each 1 place plane of ring chain has common intersection, and each ring chain 1 is at least partly Segment is distributed with the common intersection at angle.Wherein, at least partly segment of each ring chain 1 and the one of the common intersection excessively Fan-shaped diverging distribution is projected into a plane.As shown in Figure 24, Figure 26, Figure 27, at least two endless chains are may be arranged as 1 place plane of item is mutually perpendicular to, and forms cross or T font structures.Further, it is also possible to be set as, each ring chain 1 is extremely Small part segment is relative to the common tapered distribution of intersection.It is close thin under 3 density of cutting teeth in the cutter battle array of this structure, Convenient for lower digging and casting.Further, it is also possible to be set as, the intersection of 1 place plane of each two ring chain is parallel to reference line, And at least partly segment of each ring chain 1 is distributed with the reference line at angle.Preferably, reference line is vertically arranged. Wherein, at least partly segment of a plurality of ring chain 1 projects into fan-shaped diverging point in a plane for crossing the reference line Cloth；Or, at least partly segment of a plurality of ring chain 1 is relative to the tapered distribution of the reference line.The cutter battle array of this structure In 3 density of cutting teeth under it is close it is upper dredge, be convenient for lower digging and casting.

To those skilled in the art, as shown in figure 11, the arrangement of above ring chain 1 can carry out group It closes, to form the different cutting effects to soil, meets the needs of different.

For those skilled in the art, with bar shaped chain come when substituting ring chain 1, between multiple bar shaped chains Space layout can also be using the above structure.Certainly, when chain is substituted with crawler belt, chain, same sky may be used in they Between layout type.For ring chain 1, " 1 place plane of ring chain " refers to the plane that chain is formed by where ring；This is fixed Justice is also applied for the chain type carrier of other annulars, i.e.,：For the chain type carrier of annular, " plane where chain type carrier " refers to chain type Carrier is formed by the plane where ring；And for the chain type carrier of bar shaped, " plane where chain type carrier " refers to chain link row Cloth direction is formed by plane.

As shown in Fig. 1, Figure 17, several cutting teeths 3 are equipped on ring chain 1, the outer end of wherein cutting teeth 3 protrudes from ring Shape chain 1 and towards the outside of ring chain 1, cutting teeth 3 is spaced apart along ring chain 1 to form cutter battle array.This field skill Art personnel should be appreciated that in a further embodiment cutting teeth 3, but the position being arranged can be equally arranged in the inside of ring chain 1 The corresponding position for needing to avoid drive sprocket 1b and driven sprocket 1c is set to avoid interference with.It is arranged in the inside of ring chain 1 Cutting teeth 3 is conducive to further refine the soil body that the cutting teeth 3 in the outside of ring chain 1 is cut down.

It should be pointed out that the cutting teeth 3 of the present embodiment can have different structure type, cutting teeth 3 that can directly fill In on the chain link of chain, it also can be directly loaded on the chain link of ring chain 1 by carrier bar, can also be integrally formed with carrier bar Structure.Cutting teeth can make multiple tooth saw-like structure, or the cutter shape of anodontia or few tooth form (three teeth are following)；Under The drill bit of pile machine of the face cutting teeth to configuring both forms respectively is described in detail.

One, the drill bit of pile machine with saw-like structure cutting teeth (referring to Figure 17~49)

Embodiment 1

As shown in figure 17, a kind of soil body is sufficiently stirred type chain broaching, including is located at drilling rod lower part and can circumferentially rotate Cut vector 101 in head and the tail connection (it is apparent that cut vector 101 is a kind of more specific form of chain type carrier, works as chain Formula carrier is in a ring and working method is when circumferentially rotating, and chain type carrier is above-mentioned cut vector 101；Hereafter not to this Repeat again), it includes that connection is dynamic that the surface of the cut vector 101, which has bulge-structure 2, the cut vector 101, The ring chain 1 of mechanism, it is underlying to form power that the actuating unit that ring chain 1 is connected is located at drilling rod lower part, described The surface of ring chain 1 has bulge-structure 2.Preferably, when ring chain 1 is connect with drilling rod 100, ring chain 1 is in vertical It is the depth rotation toward soil layer so that soil is stirred pine to setting namely ring chain 1 in rotation.Bulge-structure 2 can be Blade or cutter tooth can be integrally formed with ring chain 1, can be detachably mounted on ring chain 1.

It will be appreciated by those skilled in the art that cut vector 101 is for carrying bulge-structure 2, bulge-structure 2 is for cutting Soil, cut vector 101 can be the ring chains such as chain, belt pulley 1.

Ring chain 1 can be the prior art with jointed rod 100, drilling rod 100, can be telescopic drill rod or extension drilling rod Or individual pole etc..After drilling rod 100 connects ring chain 1, due to the rotation of ring chain 1, bulge-structure 2 is right The soil on periphery forms cutting and stirring action, and soil is fully blended, if cut to soil and stirred in ring chain 1 Cement mortar or concrete grout are added in journey, then cement mortar and soil can be stirred, the cement of high intensity can be made Native mixing pile.

The underlying power head that thoroughly solves of power is arranged in the brought security risk in shelf top end part, especially drill bit torsion Requirement to shelf intensity and drilling rod bending strength, such as stake is 50 meters long, 1 meter of diameter, the sub- requirement for height of pile frame reaches 20 layers The height of building, if drill pipe diameter expands 2 meters, which is only used for 200 floor height buildings.

Using the underlying diameter that can reduce drilling rod of power, the stake of small-bore can be drilled out in this way.The underlying brill of power head Minimum 0.2 meter of shank diameter, minimum can be used for 2 floor rooms, namely meet the minimum of building piling and require.

The Double-wheel milling grooving machine of the prior art is only used for the campshed of going along with sb. to guard him that moisture content is up to 70% or more, and depth can not More than 30 meters, (under construction, if engineering pile moisture content is so high, quality is difficult to ensure, does not also meet the mark of energy-saving and environmental protection Alignment request)

Necessarily have among two wheels of Double-wheel milling the soil body can not greatly be dug it is flat, it should have 50% stake end without Method enters cement concrete, then bearing capacity of pile tip directly reduces 50%, can more frighteningly cause the stability of an end, institute To be not used to carrying compressive pile, it is only used for going along with sb. to guard him.

Torque can more effectively be transmitted using the underlying drill bit of power, reduce power loss.

It can be used cooperatively telescopic drill rod using power is underlying, stacks can not had in this way, greatly improve drilling efficiency.

The underlying cooperation chain type cutting of power can effectively shred the soil body so that cement can be mixed more fully with the soil body In one, the performance of mixing pile is improved.

The effective area that drill bit enters the soil body is reduced using chain type stirring power, it is possible to reduce the replacement rate of original soil body, effectively Reduce pollution caused by displacement mud.

Pass through repetition test in order to achieve the above objectives to improve using water and the motor of good seal performance can be entered, preferentially selects liquid Pressure motor, for example, Double-wheel milling motor, but such motor directly band cutter be operated in into the soil body after inside it Sealing element it is easy to wear, maintenance cost is high, and the time is long, therefore using expensive.And general chain broaching is dynamic due to it Power source is on ground level, and chain is very inconvenient again for drilling deep hole for chain structure complexity, once power failure or electricity occurs One reel chain of road fault time stuck will cause complete machine to be buried, the utility model be in order to solve it is a kind of can make motor for a long time Method easy to wear and to soil shear failure evenly is not allowed in work.

The ring chain 1 is connected with driving mechanism 11 and the driving structure 11 is located at 100 lower part of drilling rod, the driving machine Structure 11 can drive ring chain 1 to circumferentially rotate.Driving mechanism 11 can be motor or hydraulic motor.

Connection for drilling rod 100 and ring chain 1 can use connecting seat, flange, connection frame etc..In this implementation In example, as shown in figure 17, drilling rod 100 passes through transmission component 11a connection rings by flanged joint driving mechanism 11, driving mechanism 11 Shape chain 1, to realize the connection of drilling rod 100 and ring chain 1.Driving mechanism 11 can be motor or hydraulic motor, transmission Component 11a can be gear driving member or pulley drive part.

Ring chain 1 is equipped with chain rack 1a, and chain rack 1a is equipped with drive sprocket 1b and driven sprocket 1c, drive sprocket 1b connections driving mechanism 11.Chain rack 1a, drive sprocket 1b and driven sprocket 1c are that chain rotates required supplementary structure, For the prior art, details are not described herein again.

It will be appreciated by those skilled in the art that the bulge-structure 2 on the surface of ring chain 1, can be depressed in annular Chain 1 can also be to protrude from ring chain 1, which can be fixedly connected with ring chain 1, and can also be can The connection of dismounting.

In the present embodiment, as a preferred option, bulge-structure 2 include be fixed on cutting teeth 3 on ring chain 1 and Cutting teeth 3 protrudes from the surface of ring chain 1.Cutting teeth 3 is arranged at equal intervals on ring chain 1, and the width of cutting teeth 3 can be with More than the width of ring chain 1, the width of ring chain 1, or the width equal to ring chain 1 might be less that.Certainly, As a preferred option, the both ends of cutting teeth 3 extend the side 2-5cm of ring chain 1 and are advisable.

Bulge-structure 2 can also be the outer surface of ring chain 1 is designed to it is rugged concavo-convex, namely group chaining The height of the chain link of item is different, to keep 1 outer surface self-assembling formation of ring chain concavo-convex.

One ring chain 1 can form soil cutting and stirring, but be easy between cutting teeth 3 glutinous in rotation Firmly soil causes cutting power to decline, and as a preferred option, in the present embodiment, ring chain 1 has two and two annulars Plane residing for chain 1 is in the same plane, and described two ring chains 1 form a chain type cutting assembly 6, two rings Cutting teeth 3 on shape chain 1 is interlaced, when two ring chains 1 rotate, the cutting teeth 3 on one of ring chain 1 It is inserted among two cutting teeths 3 of another ring chain 1, the soil among cutting teeth 3 is struck off or removed, is remained It is not filled up by soil among two cutting teeths 3, to ensure cutting effect of the cutting teeth to soil.

It is apparent that due to the cutting teeth 3 in a chain type cutting assembly 6 on two ring chains 1 be it is interlaced, because This interlaced cutting teeth 3 must be run to the same direction, and this requires the sides of rotating in a circumferential direction of two ring chains 1 To opposite；Therefore this two ring chains 1 should be driven by respective driving mechanism 11 by independent transmission component 11a , i.e., for two ring chains 1 for belonging to a chain type cutting assembly 6, driving mechanism 11 is not shared.

Above-mentioned chain type cutting assembly 6 can form plane cutting effect, and cut coverage is larger.More preferably scheme, chain type Cutting assembly 6 has two groups and two groups of chain type cutting assemblies 6 are mutually parallel, and two groups of chain type cutting assemblies 6 form solid cutting problem effect, Cutting and mixing speed significantly improve.Although present embodiment illustrates the schemes of two groups of chain type cutting assemblies 6, it is not intended that Two groups of chain type cutting assemblies 6 can only be used, it is clear that under the introduction of the program, those skilled in the art can be designed that three groups, four The scheme that the chain type cutting assembly 6 of group or more combines.

The conveying pipeline group of slurry and/or compressed air can be conveyed by being equipped in gap between two groups of chain type cutting assemblies 6 Part 5.Conveying tube assembly 5 includes feed pipe for mortar 7 and appendix 8, and the nozzle of the feed pipe for mortar 7 and appendix 8 extends to endless chain The middle part of item 1.In the present embodiment, the middle part that the nozzle of feed pipe for mortar 7 and appendix 8 extends to ring chain 1 refers to feed pipe for mortar 7 and the nozzle of appendix 8 do not extend out outside ring chain 1, and in 1 cutting process of ring chain, feed pipe for mortar 7 inputs cement mortar Or concrete material, appendix 8 input compressed air, are carried out while realizing cutting, stirring, can greatly improve making soil cement The speed and efficiency of mixing pile.

In conjunction with shown in Figure 18 and Figure 19, chain type cutting assembly 6 has two groups, among two groups of chain type cutting assemblies 6 and close The end of chain type cutting assembly 6 is equipped with the auxiliary cutting assembly 4 that can circumferentially rotate.When chain type cutting assembly 6 has two groups When, centre can have gap, and gap is easily accessible soil, especially after the end of chain type cutting assembly 6 is by soil adhesion, The power that rotation needs can greatly improve, and two groups of auxiliary 6 gap locations of chain type cutting assembly can not form soil and cut, this When, auxiliary cutting assembly 4 rotates, and is formed to the soil of gap location and cuts and eliminate the soil adhesion between chain type cutting assembly 6.

Auxiliary cutting assembly 4 can be the sprocket wheel being located among two groups of chain type cutting assemblies 6, sprocket wheel and chain type cutting assembly Drive sprocket 1b on 6 or driven sprocket 1c connections are rotated synchronously with drive sprocket 1b or driven sprocket 1c, in the present embodiment, In conjunction with shown in Figure 19, auxiliary cutting assembly 4 includes auxiliary chain 9 and the assist tooth 10 being fixed on auxiliary chain 9, and described is auxiliary Tooth 10 is helped to protrude from the surface of auxiliary chain 9.

Chain rack 1a, drive sprocket 1b, driven sprocket 1c also are provided on auxiliary chain 9.When drilling rod 100 and chain rack 1a connect When connecing, you can realize that the connection with ring chain 1 certainly can also be mutual between the chain rack 1a on different ring chains 1 Connection.

It is apparent that as shown in figure 17, assisting two sprocket wheels driven chain with two ring chains 1 respectively of cutting assembly 4 1c is taken turns by being driven axis connection, but since the steering of the driven sprocket 1c on this two ring chains 1 is opposite, auxiliary Two sprocket wheels of cutting assembly 4 can not possibly be rotated synchronously with the driven sprocket 1c being respectively connected.One of sprocket wheel and annular The driven sprocket 1c of chain 1 is rotated synchronously, which is fixedly connected with corresponding transmission shaft, and circumferential turn will not occur for the two It is dynamic；And another sprocket wheel is slidably matched with corresponding transmission shaft, it, should to which driven sprocket 1c will not drive the sprocket wheel to rotate Sprocket wheel only can be with another sprocket wheel (the i.e. above-mentioned sprocket wheel driven by the driven sprocket 1c of ring chain 1) on auxiliary cutting assembly 4 It rotates synchronously.

Embodiment 2

The present embodiment and the structure and working principle of embodiment 1 are essentially identical, the difference is that, in conjunction with Figure 20 and Figure 21 Shown, ring chain 1 has two and is mutually parallel, and two ring chains 1 are not in the same plane namely two ring chains 1 Between have gap, be equipped with the auxiliary cutting assembly 4 that can circumferentially rotate two 1 ends of ring chain.Obviously, in the party Under the introduction of case, those skilled in the art can be designed that three groups, the scheme that combines of four groups or more of ring chain 1.This reality The essentially identical of auxiliary cutting assembly 4 and the embodiment 1 of example is applied, auxiliary chain 9 is in laterally setting, the width with ring chain 1 With suitable.

In the present embodiment, ring chain 1 is rectangular, is all provided on each angle there are one sprocket wheel, wherein one or two is Drive sprocket 1b, it is added that driven sprocket 1c, when drive sprocket 1b there are two when, differential mechanism should be used.

It will be appreciated by those skilled in the art that after driving mechanism 11 connects drive sprocket 1b, gear or chain can be passed through The common drive mechanism such as wheel or belt pulley, in conjunction with shown in Figure 21, being equipped among two ring chains 1 of the present embodiment can convey The conveying tube assembly 5 of slurry and/or compressed air.In the present embodiment, conveying tube assembly 5 includes feed pipe for mortar 7 and appendix 8, defeated It starches pipe 7 and appendix 8 is located at the gap of two 1 centres of ring chain, nozzle extends after wherein feed pipe for mortar 7 is divided into several bifurcateds To the bottom and side wall of ring chain 1.

In the present embodiment, 11 outer cover of driving mechanism is equipped with protective cover 11b, plays a protective role to driving mechanism 11. The present embodiment can widen the width of ring chain 1.

Embodiment 3

The present embodiment and the structure and the course of work of embodiment 2 are essentially identical, the difference is that, such as Figure 22 and Figure 23 institutes Show, the gap between two ring chains 1 is arranged in the driving mechanism 11 in the present embodiment, and the output end of driving mechanism 11 is straight The drive sprocket 1b on annular disjunctor is met in succession.Drilling rod 100 is directly connected to driving mechanism 11.

Embodiment 4

The present embodiment and the structure and the course of work of embodiment 1 are essentially identical, the difference is that, such as Figure 24 and Figure 25 institutes Show, the ring chain 1 at least two, and the axial line of at least two ring chains 1 is mutually perpendicular to.

Specifically, in the present embodiment, two of which ring chain 1 is mutually parallel, and forms a chain type cutting assembly 6, Two other ring chain 1 is mutually parallel, and forms another chain type cutting assembly 6, and two chain type cutting assemblies 6 are mutually perpendicular to, Form T font structures.

The structure of the ring chain 1 of the present embodiment is same as Example 1, and can also be arranged in chain type cutting assembly 6 Conveying tube assembly 5.

The T-shaped structure of the present embodiment, can be used directly to make T-type mixing pile, without more drill bits be connected with each other from And T-type structure is formed, when making T shape stakes with the drill bit of the present embodiment, effect is good, and mixing effect further increases.

Embodiment 5

The present embodiment and the structure and the course of work of embodiment 4 are essentially identical, the difference is that, as shown in figure 26, this There are two ring chains 1 for embodiment, and the structure of one of ring chain 1 is the same as embodiment 1, the structure of another ring chain 1 With embodiment 2, two ring chains 1 are mutually perpendicular to, and form decussate texture.

Embodiment 6

The present embodiment and the structure and the course of work of embodiment 4 are essentially identical, the difference is that, as shown in figure 27, this There are two ring chains 1 for embodiment, and with embodiment 1, two ring chains 1 are mutually perpendicular to the structure of two ring chains 1, are formed Decussate texture.

Embodiment 7

In conjunction with shown in Figure 28-30, the cut vector 101 has several and every two adjacent cut vector vertical The end of projection on direction overlaps, and the center line of the end of the projection of every two adjacent cut vector in the vertical direction Triangle can be linked to be.

Every two adjacent cut vector 101 form the effect of triangle cutting and stirring, cutting effect, that is, mixing effect It is substantially better than the combination of the cut vector of other forms.

Cut vector 101 and remaining structure in the present embodiment is identical as the above embodiments.

Embodiment 8

The present embodiment is essentially identical with embodiment, the difference is that the structure of ring chain 1 and cutting teeth 3.In conjunction with figure Shown in 31, the height of the cutting teeth on ring chain 1 differs, and cutting teeth 3 itself forms saw-like structure, and the cutting teeth 3 surfaces, which have, cuts small tooth (not shown).In the present embodiment, bulge-structure 2 includes being fixed on cutting on ring chain 1 It cuts tooth 3 and cutting teeth 3 protrudes from the surface of ring chain 1.Cutting teeth 3 is arranged at equal intervals on ring chain 1, is set on cutting teeth It is equipped with the small tooth of cutting similar to saw blade.

Shown in Figure 45 and Figure 46, the plane and the ring chain 1 residing for part cutting teeth 3 on ring chain 1 Residing plane has angle.

Ring chain 1 at least two, in conjunction with shown in Figure 47 and Figure 48, the part on an at least ring chain 1 is cut It cuts tooth and the ring chain 1 and forms the angle of different angle to make the cutting teeth on the ring chain 1 in the ring chain 1 week To the cut surface for forming sector when rotation.

In conjunction with shown in Figure 45 and Figure 46, the different direction of cutting teeth directional on ring chain 1 tilts to make the endless chain The projection of cutting teeth in the vertical direction on item 1 forms a sector.

The conveying tube assembly of slurry and/or compressed air can be conveyed by being equipped in the gap of two adjacent ring chains 1 5。

Embodiment 9

The present embodiment rest part is identical as the above embodiments, the difference is that, it is described in conjunction with shown in Figure 33-44 Cut vector 101 have several, projection in the vertical direction has a row or a row or more, often row there are one or one with Upper cut vector 101.

Embodiment 10

As shown in figure 32, in the present embodiment, bulge-structure 2 includes the cutting teeth 3 being fixed on ring chain 1 and cuts Tooth 3 protrudes from the surface of ring chain 1.Cutting teeth 3 is arranged at equal intervals on ring chain 1, the annular wherein of cutting teeth 3 1 surface of chain is tilted to another 1 direction of ring chain successively, in conjunction with shown in Figure 47-48, on two adjacent ring chains 1 Cutting teeth 3 it is interlaced, preferably angularly tilt to 45 degree, angularly inclined distribution can be in an annular for cutting teeth 3 It repeats to be distributed on chain 1.Cutting teeth 3 in this way is arranged, and the soil body in the present embodiment can be made to be sufficiently stirred type chain type Drill bit can also cut rock other than it can cut soil, further expand the application scenario of drill bit.Cutting teeth 3 can be with It is formed directly into the surface of ring chain 1.

Embodiment 11

The structure of the present embodiment and other embodiment is essentially identical, the difference is that, scheme as shown in 49, ring chain 1 The bulge-structure 2 on surface includes the carrier bar 1d being fixed on ring chain 1, and the cutting teeth 3 being fixed on carrier bar 1d.

The advantage of chain broaching shown in embodiment 1~11 is that ring chain can be formed directly with drilling rod and be connected, just In replacement, the rotation direction of ring chain is the rotation of vertical direction, is formed after fitting projection structure or cutting teeth a kind of vertical Parallel with the axial direction for the pile body that needs make to the effect of cutting namely the rotation direction of ring chain, stake speed processed obtains bright It is aobvious to improve, in cutting teeth in the cutting process of soil, soil is stirred along the circumferential direction of ring chain, namely to upper under completing, Circulation stirring from top to bottom again, stirring is highly uniform, is conducive to make the uniformly mixed cement mixing method of high intensity.

Unlike this, the prior art then has apparent insufficient.Traditional cement mixing method is special using deep-mixed pile With drilling machine, deeply regard cement injection ground as curing agent, weak soil and curing agent forced into mix on the spot, using curing agent with it is soft Native that a series of physical, chemical reaction occurs, so that its condensation is become has globality, water stability good and the cement stabilization of higher-strength Body forms the high-quality composite foundation with certain bearing capacity with subsoil.Fast with pile-forming speed, efficient, at low cost, nothing Vibration, noise, it is pollution-free the advantages that.The state that reinforcement material is used by it, is divided into slurries paddling process wet method and powder paddling process Two kinds of construction types of dry method, wet method is uniform relative to dry stirring based on cement mortar, is easy to smash again.In this stake mode processed, The intensity of cement mixing method relies primarily on slurry and the combination degree of ambient earth determines, as slurry mixes unevenness with soil Even, the intensity of cement mixing method can be reduced by extreme influence namely intensity.Pile body uniformity be cement mixing method at One key index of quality of pile, but still remain the problem of being uniformly mixed in wet construction.Therefore how to bore Realize that the effect that slurry is uniformly mixed with soil becomes the key studied at present during hole.

Movable drilling rod of the applicant in the patent cement mixing method piling machine applied before [201510417309.5], include the drive case with inner cavity, drive case, which is equipped with, at least one axially penetrates through entire drive The through-hole of dynamic babinet, being equipped in through-hole can circumferentially rotate and tubular guide sleeve, be equipped with through entire driving in guide sleeve The drilling rod of babinet, and axial guiding structure is equipped between drilling rod and guide sleeve, guide sleeve is connected with circumferential turn of energy band action-oriented set Dynamic circumferentially rotates mechanism, and drilling rod is connected with the axial actuating mechanism 11 that drilling rod axial reciprocating can be driven to slide.The brill of the program The body of rod can slide axially with axial stretching and while circumferentially rotating, and be not easy to encounter the phenomenon that can not be bored, increase The perimeter of cement mixing method cross section after big construction, improves the breakout capacity of cement mixing method.But the program In drill bit structure, this block does not make creative improvement, and drill bit needs to be further increased to the mixing evenness of soil.This reality It is then improved a lot on mixing evenness with novel chain broaching, solves problems of the prior art.

Two, the drill bit of pile machine of band blade shape cutting teeth (referring to Fig. 1~5 and Figure 50~55)

Embodiment 12

As shown in Figure 4 and Figure 5, in conjunction with Fig. 1~Fig. 3 as it can be seen that at least one row are arranged on ring chain 1 along ring chain 1 The cutting teeth 3 of length direction distribution, there are casting gaps between the adjacent cutting teeth 3 respectively arranged.The columns of cutting teeth 3 can regard tool Body it needs to be determined that.Cutting teeth 3 includes interconnecting piece 34 and the work department 35 on interconnecting piece 34.In the present embodiment, work department 35 It is integrally connected with interconnecting piece 35, and carries mounting hole 33 on interconnecting piece 35, be fixedly installed to cutting teeth 3 by mounting hole 33 On ring chain 1；Wherein, chain link inner panel 201, chain link outside plate 202, pintle in ring chain 1 can also be arranged in cutting teeth 3 In any one or more in the parts such as axis 203.The adjacent cutting teeth 3 respectively arranged should not be excessively close, is caused to avoid to casting It influences.But it should not also dredge excessively, in order to avoid influence to excavate efficiency or influence lateral dimension.After being installed on ring chain 1, work department 35 protrude from ring chain 1 and towards the outside of ring chain 1.

As shown in Figure 5, in conjunction with Fig. 1 and Fig. 2 as it can be seen that each cutting teeth 3 in adjacent each row cutting teeth 3 is also face setting , can also be to shift to install；Also, the bending and/or torsion of 3 outer end of each cutting teeth in adjacent each row cutting teeth 3 can Can also be incorgruous, these can need specific setting according to specific casting to be in the same direction.

As shown in figure 5, in conjunction with Figure 50-Figure 54 as it can be seen that in the present embodiment, cutting teeth 3 but is cut made of flaky material The equivalent cutting width for cutting tooth 3 is more than the thickness of cutting teeth 3.Equivalent cutting width refers to cutting teeth 3 in cutting by excavation portion The summation of the practical excavation width of position.If the position of being excavated that cutting teeth 3 is formed is continuous, equivalent cutting width is to be opened Dig the width at position；If it is discrete that cutting teeth 3 was formed, which is excavated position, equivalent cutting width is to be excavated position The sum of width of each section.

Realize that the mode of " thickness that the equivalent cutting width of cutting teeth 3 is more than cutting teeth 3 " has：(1) cutting teeth 3 is tilted It is arranged in 3 traffic direction of cutting teeth；(2) the extension direction of work department 35 is parallel or at an acute angle with the traffic direction of cutting teeth 3 Setting, and relative to 3 traffic direction of cutting teeth, laterally bending and/or torsional mode extend work department 35.

(2) kind mode is more preferably, because bending and/or torsion can not only effectively promote the excavation ruler of single cutter It is very little, moreover it is possible to form casting face 36 in work department 35, be conducive to casting, be refined convenient for the soil body, the two is combined and further increased out Dig efficiency；In addition, also help follow-up stirring operation is carried out by Figure 55 to the soil body that digs down as it can be seen that the bending of work department 35 and/ Or the angle that torsional mode extends is at an acute angle relative to 3 traffic direction of cutting teeth, this acute angle (α) can be 30 °~60 °.At this Under a bending and/or windup-degree, not only the structure of cutting teeth 3 is more firm, reasonable stress, and casting is efficient.

As shown in Figure 50 and Figure 51,3 outer end of cutting teeth can be tack, can also be tip；Such as Figure 52, Tu53He Shown in Figure 54, at least one notch 32 can also be arranged in work department 35, to make 3 outer end of cutting teeth be divided at least two cutting portions 31, and at least there are two cutting portions 31 not in same plane.Each cutting portion 31 is laterally bent relative to 3 traffic direction of cutting teeth And/or torsional mode extends.At least there are two the extension direction of cutting portion 31 difference or angle are different.The quantity of notch 32 can root Specific design is needed according to specific.After notch 32 is arranged, the ground excavated can scatter from notch 32, not only extend cutting The cut lengths of tooth 3 are conducive to further refine ground, and casting efficiency also further increases.

In the application, cutting teeth 3 can be fixedly mounted at the seperated cutter on ring chain 1；It can also be and constitute The integrally formed integrated cutter of component of ring chain 1.As shown in Figure 50~Figure 54, when using seperated cutter, it can cut The mounting hole 33 for being installed to cutting teeth 3 on ring chain 1 is opened up on tooth 3.

As shown in Fig. 2, in the present embodiment, conveying tube assembly is additionally provided on chain rack 1a.Conveying tube assembly is arranged adjacent Between two ring chains 1 being arranged.To which during ring chain 1 cuts ground, conveying tube assembly can be to ground Middle whitewashing or jet are realized and are stirred when excavating.

The composition and arrangement of conveying tube assembly are identical with embodiment 1~11 in the present embodiment.

The advantage of drill bit of pile machine shown in embodiment 12 is：(1) cutting teeth is reasonably distributed, and is conducive to the refinement of ground, is carried The structural strength of high cement mixing pile avoids the occurrence of floating stake and significantly reduces the extruding to periphery ground；(2) outside cutting teeth End bending or torsion so that the equivalent cutting width of cutting teeth is more than the thickness of cutting teeth, can not only effectively be promoted and individually be cut The excavation size of tooth is cut, and is conducive to casting, is refined convenient for the soil body；The soil body dug down is carried out subsequently in addition, also helping Stir operation；(3) work department of cutting teeth has at least one notch, and it is at least two cutting portions that this, which allows for working portion, The ground so excavated can scatter from incision, not only extend the cut lengths of cutting teeth, be conducive to further refine Ground, and casting efficiency also further increases；(4) casting face is arranged in cutting teeth in work department so that is cut by work department Under ground can be tossed along casting face to the side rear of work department, both avoided be cut rear ground because be deposited in cutting It influences cutting process at tooth ontology, cause power loss, soil again hardened blocking, refined convenient for the soil body, ground crushes effect Rate is improved, and convenient for carrying out follow-up stirring operation to the soil body dug down；(5) cutting teeth is in prolate type, by flaky material system At, this enable cutting teeth outer end more rapidly, be more successfully cut into soil layer, to the good crushing effect of ground.

Embodiment 13

A kind of machine, including it is connected with the drilling rod for pushing power plant 205, drilling rod lower end is equipped with multiple as in embodiment 12 Stake machine chain broaching.Preferably, chain rack 1a has multiple, and each chain rack 1a is spaced setting successively in drilling rod extending direction. Connection type between each chain rack 1a can be that the connection type securely connected may be implemented in welding, clamping, snapping etc..

Embodiment 14

A kind of machine, including it is connected with the drilling rod 100 for pushing power plant 205,100 lower end of drilling rod is equipped with such as embodiment 1 The soil body in~11 is sufficiently stirred type chain broaching.

Drill bit is arranged in embodiment 13 and 14 and is being connected with 100 lower end of drilling rod for pushing power plant 205, when being opened When digging, the excavation ability of cutter can be obviously improved by pushing power plant 205, the excavation for playing similar milling, cutting out, cutting.

Above-mentioned in the drill bit of pile machine structure of two types cutting teeth, other than cutting teeth 3, also other one A little differences.It is understood that these differences can be interchangeable as needed.For example, " the drill bit used in Fig. 1~3 Seat " formula chain rack can also be loaded in Figure 17~24；For another example, the auxiliary cutting assembly used in Figure 17~24 is when needed The bottom end of chain type carrier in Fig. 1~3 can be loaded on.Such replacement, it is numerous, explanation is not developed in details herein.

Preferably by the mode that power is underlying in above example, it's not necessary certainly.It is worth noting that, When using power underlying mode, driving mechanism 11 such as motor can be loaded in drill headstock, in order to prevent the foreign matters such as water, mud into Enter, power down-set portion should use reliable sealing mechanism, hereby be exemplified below.

As shown in figure 56, the power plant sealing structure of the present embodiment is configured in driving mechanism 11 (such as hydraulic motor, electricity Machine etc.) between drive sprocket 1b.

As shown in Figure 56 and Figure 59, drive sprocket 1b is installed on the output main shaft 11c of driving mechanism 11, wherein The axle sleeve 1ba of drive sprocket 1b is set in output main shaft 11c peripheral surfaces；It is fixedly mounted and is sealed on output main shaft 11c Ring flange 11e, in the end towards the one end driving mechanism body 11d, axle sleeve 1ba inner circumferentials are equipped with ring-shaped step 1bb, the annular table Rank 1bb is resisted against on ring flange 11e；Several first mounting hole 1bc through axle sleeve 1ba, the first mounting hole are equipped in axle sleeve 1ba 1bc then offers position and aperture with each first mounting hole 1bc in bar shaped and axially extending along axle sleeve 1ba on ring flange 11e One-to-one second mounting hole, is equipped with interior hexagonal cylindrical head in the first mating mounting hole 1bc and the second mounting hole Screw 1e；To which drive sprocket 1b is fixedly installed on the output main shaft 11c of driving mechanism 11.

For ease of installing and dismounting, in the present embodiment, hexagon socket cap head screw 1e is from axle sleeve 1ba far from driving mechanism machine The end of the one end body 11d is installed on axle sleeve 1ba, and bullet is equipped between hexagon socket cap head screw 1e and the end faces axle sleeve 1ba Spring washer 1f.In addition, the position can also install gasket seal additional；It is connected through a screw thread sealing and gasket seal sealing in this way, it is real Existing better seal effect.

Certainly, in addition to hexagon socket cap head screw 1e, the screw-type of other routines can also be selected；In addition to spring washer 1f, the elastomeric pad that other can also be selected conventional.

Gasket seal may be used between ring flange 11e and output main shaft 11c or oil sealing realizes static seal.

As shown in figure 56, the sealing mechanism of the present embodiment includes seal closure 300, and seal closure 300 includes the be wholely set One end 302 and second end 303.The seal closure 300 can be the tubular in Figure 56, and the second end opening of cylinder, first end is Cylinder bottom with centre bore.Certainly, seal closure 300 can also use the structures such as hemispherical caps, as long as being easy to implement sealing.

As shown in Figure 56 and Figure 60, wherein the first end 302 of seal closure 300 is fixedly installed in driving mechanism body 11d On, first end 302 have the first annular end face 304 fitted closely with the cover 11f peripheral surfaces of driving mechanism body 11d, with And the second annular end face 305 fitted closely with the ontology 11g peripheral surfaces of driving mechanism body 11d, 304 He of first annular end face The joint face 306 of second annular end face 305 is to fit with the outer end face of cover 11f, in the location of the joint face 306, Several third mounting holes 307 are opened up in first end 302, are offered on cover 11f a pair of with the position of each third mounting hole 307 one Fastening spiral shell can be arranged between mating third mounting hole 307 and the 4th mounting hole 11h in several 4th mounting hole 11h answered Bolt；It simultaneously can also be between first annular end face 304 and cover 11f peripheral surfaces, outside the second annular end face 305 and ontology 11g Gasket seal is set between circumferential surface and between joint face 306 and cover 11f outer end faces to form static seal.In the present embodiment, The aperture of third mounting hole 307 is more than the aperture of the 4th mounting hole 11h, to which the nut of fastening bolt can be resisted against the 4th peace Fill the rims of hole 11h.

As shown in figure 57, the second end 303 of seal closure 300 is then set in axle sleeve 1ba；In axle sleeve 1ba towards driving mechanism The end of the one end body 11d, the peripheries axle sleeve 1ba are equipped with guide surface 1bd, when seal closure 300 is installed on axle sleeve 1ba, Guide surface 1bd can form seal closure 300 and guide.Certainly, guide surface 1bd can be plane or arcwall face.

As shown in Figure 57 and Figure 58, it is provided with moving sealing element between the second end 303 and axle sleeve 1ba of seal closure 300, it is close Be equipped with the interior stop circle 301 to moving sealing element axial limiting in sealing cover 300, and 300 end of seal closure be then fixedly mounted it is useful Make the seal closure end cap 400 of outer stop circle.In the present embodiment, seal closure end cap 400 includes passing through fastening bolt 403 and seal closure The lid 401 that 300 end faces are fastenedly connected, lid 401 carry between seal closure 300 and axle sleeve 1ba and respectively with seal closure The extension 402 of 300 and axle sleeve 1ba sealing cooperations, extension 402 is oppositely arranged with interior stop circle 301, it is dynamic for accommodating to be formed The annular accommodating space of sealing element.It is understood that can also directly be set between seal closure end cap 400 and seal closure 300 It is set to screw-thread fit (i.e. extension 402 carries external screw thread, and seal closure carries and the matched internal thread of the external screw thread), in this way The fixation of the two can be realized by rotatory sealing cover end cap 400.

In the present embodiment, moving sealing element includes sealing ring 500, and sealing ring 500 is positioned at 300 inside of seal closure, and close Seal 500 is fitted closely with the inner peripheral surface and axle sleeve 1ba peripheral surfaces of seal closure 300 simultaneously.500 sliding sleeve of sealing ring is loaded on axle sleeve 1ba is provided with several annular grooves 502 on the annular sealing surface 503 of 500 inner circumferential of sealing ring, and each annular groove 502 is along axle sleeve 1ba axially spaced-aparts are distributed；And the end set of the periphery of sealing ring 500 has an annular notch 501, in the annular notch 501 It is embedded with the elastic ring 600 in pressured state.When not being pressurized, elastic ring 600 is more than ring in the size of sealing ring 500 radially Size of the v notch v 501 in sealing ring 500 radially, therefore elastic ring 600 can protrude from annular towards 300 direction of seal closure and lack The outside of mouth 501 squeezes so that seal closure 300 forms elastic ring 600；Elastic ring 600 under pressured state can respectively with Sealing ring 500 and seal closure 300 fit closely.

In the present embodiment, the cross section of annular groove 502 can be rectangular, arc or wedge shape, and the application does not have this It is restricted.But, it is preferably wedge shaped close to the cross section of the annular groove 502 of the sides driving mechanism body 11d, and wedge shape Depth gradually increase from being laterally away from the sides driving mechanism body 11d close to driving mechanism 11.This is because cross section is in The annular groove 502 of wedge shape can not only deform upon rapidly, and lozenges can also as early as possible and farthest with axle sleeve 1ba Peripheral surface is in sealing contact；The depth of wedge shape is smaller in the close sides driving mechanism body 11d, then close to driving mechanism body The sides 11d are more easy to realize sealing between axle sleeve 1ba peripheral surfaces and sealing ring 500, ensure drive sprocket 1b and driving mechanism 11 The connecting portion between connecting portion, output main shaft 11c and driving mechanism body 11d between output main shaft 11c obtains preferentially Seal protection.

In the present embodiment, moving sealing element at least there are two, be provided between adjacent moving sealing element and be set in axle sleeve The shading ring 700 of 1ba.Sealing ring 500 and shading ring 700 are used made of hard nonmetallic wear-resistant material, wherein high score Sub- wear-resistant material can be ceramic composite, silicon carbide (SiC), silicon nitride (Si₃N₄), toughened zirconium oxide (Y₂O₃+ZrO₂), increase Tough alundum (Al2O3) (Al₂O₃/ZrO₂) etc..

The operation principle of the present embodiment power plant sealing structure is：

After the completion of assembly, interior stop circle 301 and seal closure end cap 400 are played to the equal moving sealing elements positioning of sealing ring 500 Effect, wherein sealing ring 500 is adjacent to 300 madial wall of seal closure and axle sleeve 1ba peripheral surfaces, and elastic ring 600 is squeezed and occurs Elastic deformation, swelling further make 500 deformation of sealing ring, thus between the annular notch and seal closure 300 of sealing ring 500 It realizes self-tightening, thus plays the role of better seal.Its annular recess 502 is convenient for 500 deformation of sealing ring, to improve sealing effect Fruit.Just in case when having the gap that foreign matter enters seal closure end cap 400 and seal closure 300, elastic ring 600 is further pressurized so that close Seal 500 follows deformation so that sealing ring 500 is bonded closer with axle sleeve 1ba and seal closure 300, to effectively improve Sealing effect.

Claims

1. one kind being sufficiently stirred type chain broaching, which is characterized in that include the chain type carrier positioned at drilling rod lower part, the chain type Carrier drives the circumferential revolution of progress or reciprocally swinging, the surface of the chain type carrier to be fixedly connected by chain-drive mechanism (204) Or it is removably connected with cutting teeth (3) and cutting teeth (3) protrudes from the surface of chain type carrier；Cutting on the chain type carrier Tooth (3) tilts that the projection of the cutting teeth (3) on the chain type carrier in the vertical direction is made to form one to different directions It is fan-shaped.

2. according to claim 1 be sufficiently stirred type chain broaching, which is characterized in that the cutting teeth (3) is at equal intervals It is arranged on chain type carrier, a chain type carrier surface is tilted to another chain type carrier direction cutting teeth (3) successively wherein.

3. according to claim 2 be sufficiently stirred type chain broaching, which is characterized in that on two adjacent chain type carriers Cutting teeth (3) is interlaced.

4. according to claim 2 be sufficiently stirred type chain broaching, which is characterized in that the cutting teeth (3) is angularly 45 degree are tilted to, cutting teeth (3) angularly repeat by inclined be distributed on a chain type carrier.

5. being sufficiently stirred type chain broaching according to any one of claim 1-4, which is characterized in that the chain type The height of cutting teeth (3) on carrier differs, and cutting teeth (3) surface concave-convex surface.

6. according to claim 5 be sufficiently stirred type chain broaching, which is characterized in that described cutting teeth (3) this figure At saw-like structure, and described cutting teeth (3) surface has the small tooth of cutting.

7. being sufficiently stirred type chain broaching according to any one of claim 1-4, which is characterized in that the chain type Carrier has two, and two chain type carriers in the same plane, are not equipped with two chain type carrier ends and can circumferentially rotate Auxiliary cutting assembly (4), be equipped with the conveying tube assembly (5) that can convey slurry and/or compressed air among two chain type carriers.

8. according to claim 7 be sufficiently stirred type chain broaching, which is characterized in that the auxiliary cutting assembly (4) Auxiliary chain is protruded from including auxiliary chain (9) and the assist tooth (10) being fixed on auxiliary chain (9), the assist tooth (10) The surface of item (9).

9. according to claim 7 be sufficiently stirred type chain broaching, which is characterized in that conveying tube assembly (5) packet Include feed pipe for mortar (7) and/or appendix (8), the nozzle of the feed pipe for mortar (7) and/or appendix (8) extends to chain type carrier Middle part.

10. being sufficiently stirred type chain broaching according to any one of claim 1-4, which is characterized in that the chain Formula carrier can be circumferentially rotated by driving mechanism (11) driving and the driving mechanism (11) is located at drilling rod (100) lower part.