CN105019441A - Axial lifting driving structure for drill rods of pile driver for cement mixing piles - Google Patents
Axial lifting driving structure for drill rods of pile driver for cement mixing piles Download PDFInfo
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- CN105019441A CN105019441A CN201510415164.5A CN201510415164A CN105019441A CN 105019441 A CN105019441 A CN 105019441A CN 201510415164 A CN201510415164 A CN 201510415164A CN 105019441 A CN105019441 A CN 105019441A
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- drilling rod
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- cement mixing
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- pile driver
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Abstract
The invention belongs to the technical field of building equipment, and particularly relates to an axial lifting driving structure for drill rods of a pile driver for cement mixing piles. The problem that an existing pile driver for cement mixing piles cannot achieve drilling properly is solved. The axial lifting driving structure comprises a driving box body with an inner cavity. The driving box body is provided with at least one drill rod body which is arranged in the vertical direction and can rotate circumferentially. One end of the drill rod body penetrates in the driving box body. An axial driving mechanism is arranged between the drill rod body and the driving box body, wherein the axial driving mechanism can drive the drill rod body to vertically slide in a reciprocating mode when the drill rod body is in a circumferentially-rotary state or in a circumferentially-stationary state. The axial lifting driving structure for the drill rods of the pile driver for the cement mixing piles has the advantages that the drill rod body can be stretched in the axial direction and also can slide in the axial direction during circumferential rotation, and the phenomenon that drilling cannot be achieved tends not to happen; drilling efficiency is improved, the perimeter of the cross section of each cement mixing pile is increased after construction, the pull-out capacity of the cement mixing piles is improved, and the mixing homogeneity is improved as well.
Description
Technical field
The invention belongs to building implements technical field, the drilling rod especially relating to a kind of cement mixing method pile driver is axially elevated drives structure.
Background technology
Cement mixing method is a kind of method for reinforcing the low ground of saturated soft clay, it utilizes cement as curing compound, by special Mixing Machine, in ground depths by weak soil and curing compound action of forced stirring, utilize the series of physical chemical reaction produced between curing compound and weak soil, weak soil is hardened into have the high-quality ground of globality, water stability and some strength.Many simultaneously the work by multiple drilling rod of the pile driver of common cement mixing method gets out boring, but when practice of construction due to soil hardness or when running into the hard object such as stone, easily there is the phenomenon that drilling rod cannot bore, which decrease efficiency during drilling rod construction, length consuming time, and need Integral lifting cement-soil mixing pile machine in order to continuing of constructing, add the cost of construction so undoubtedly.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of five axle cement-soil mixing pile devices and construction method [application number: 201210014492.0], this device comprises walking and crawler type main frame, hoist engine, guide rod, wire rope, stock inlet, unit head, gearbox, reductor, drilling rod, intermediate support frame, lower support frame, band wing drilling rod, anchor ear, Multifunctional drill, mouth spray, backstage cement paste stirring system, described hoist engine and guide rod are fixed on main frame, described unit head connects guide rod top pulley by wire rope, wire rope drives unit head oscilaltion, described unit head is connected five drilling rods by gearbox with reductor successively, intermediate support frame is provided with in the middle part of five drilling rods, bottom is provided with lower support frame, each drilling rod lower end is all connected with band wing drilling rod, described band wing drilling rod is provided with anchor ear, band wing drilling rod lower end connects Multifunctional drill, Multifunctional drill is provided with mouth spray.Such scheme to some extent solves the low problem of existing cement-soil mixing pile machine drilling efficiency, but the program still also exists: easily occur that drilling rod cannot bore, and boring difficulty is large, the problem of poor stability.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of simple and reasonable, the drilling rod that can prevent the cement mixing method pile driver that drilling rod cannot bore is axially elevated drives structure.
For achieving the above object, present invention employs following technical proposal: the drilling rod of this cement mixing method pile driver is axially elevated drives structure, comprise the drive case with inner chamber, described drive case is provided with at least one and arranges and the drilling rod body of energy circumference rotation in vertical direction, described drilling rod body one end is through in drive case, it is characterized in that, between described drilling rod body and drive case, be provided with the axial actuating mechanism that drilling rod body all can be driven vertically to reciprocatingly slide when drilling rod body is in circumferential rotary state or is in circumferential inactive state.When running into comparatively hard soil layer or stone when holing, drilling rod body is driven by axial actuating mechanism can axial stretching, not easily runs into the phenomenon that cannot bore, boring is more prone to, improve the efficiency of boring.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described axial actuating mechanism comprises the through hole be arranged in drive case, described drilling rod body in through hole and drilling rod body be provided with the axially directed assembly that drilling rod body and through hole can be made to slide axially be connected between through hole, described drilling rod end of body is connected with the axial driven unit that drilling rod body can be driven to slide along through hole axial reciprocating.Namely drive drilling rod body to slide axially by axial driven unit and realize the flexible of drilling rod body.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described axially directed assembly comprises the spline housing be arranged on by circumferential rotation connection structure in through hole, described spline housing week has some axially extended gathering sills to the inside, described drilling rod body outer circumferential is provided with some axially extended guiding raised lines, and described guiding raised line and gathering sill are slidably matched.Owing to being provided with circumferential rotation connection structure between spline housing and through hole, drilling rod body circumference can being rotated but also can slide axially not only, do not interfere with each other between the two.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described circumferential rotation connection structure comprises some bearings be arranged between spline housing and through hole.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, the quantity of described bearing is two and correspondence is arranged on the two ends of spline housing respectively.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described spline housing cylindrically and described spline housing one end has annular boss, and described annular boss one end is against being arranged on one of them bearing, the other end is arranged with locking nut, and this locking nut is against being arranged on residue bearing.By spline housing one end to be inserted in bearing inner race and by locking nut, spline housing to be arranged on bearing inner race during installation.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described axial driven unit comprises the supporting frame be arranged in drive case, described supporting frame is provided with lift actuator, and is provided with the rotation connection structure that drilling rod body can be made to rotate relative to the output shaft circumference of lift actuator between the output shaft of described lift actuator and drilling rod body.Preferably, the output shaft of lift actuator is here connected by rotation connection structure with between drilling rod body, when making drilling rod body circumference rotate like this, lift actuator can not rotate together along with drilling rod body, and drilling rod body slides axially thus realizes flexible in spline housing under the driving of lift actuator.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described rotation connection structure comprises the bearing support between output shaft and drilling rod body being arranged on lift actuator, and the output shaft of described bearing support one end and lift actuator is fixedly linked, the other end is fixedly installed on drilling rod body.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, described supporting frame comprises driver installing plate and the retainer ring of corresponding setting mutually, the output shaft of described lift actuator is through driver installing plate, described retainer ring and through hole be concentric to be arranged and retainer ring is arranged in drive case, and driver installing plate is connected by some circumferences connection strap arranged that distributes with between retainer ring.
Axially be elevated in drives structure at the drilling rod of above-mentioned cement mixing method pile driver, the quantity of described drilling rod body is one and through the center of drive case, described drilling rod body outer circumferential be provided with some can with drilling rod body in the same way and/or counter-rotational driven drilling rod.Preferably, here drilling rod body and driven drilling rod in the vertical direction shift to install, and the center line of drilling rod body and driven drilling rod is not located along the same line in the projection of vertical direction, the center line of drilling rod body and driven drilling rod is connected to form triangular structure successively at the center line of the drilling rod body that the projection of vertical direction is not located along the same line, which increase the girth of the cement mixing method cross section after construction, improve the breakout capacity of cement mixing method, and each drilling rod body vertical direction shifts to install, uniformity during stirring can be improved on the one hand, the difficulty of holing when other direction also reduces construction, here drive case is provided with drilling rod driver, drilling rod driver is rotated by driving gear drives drilling rod body circumference, drilling rod body is connected with the driven drilling rod of part by the first travelling gear, make these driven drilling rods can rotate with drilling rod body synchronous backward like this, remaining driven drilling rod is connected with drilling rod body with carrier gear by the second travelling gear, make the driven drilling rod be left can rotate with drilling rod body synchronous forward like this, make stirring more even like this, and minimizing boring makes reaction force.
Compared with prior art, the advantage of the drilling rod axial lifting drives structure of this cement mixing method pile driver is: when running into comparatively hard soil layer or stone during boring, drilling rod body can axial stretching and can circumference rotate while slide axially, not easily run into the phenomenon that cannot bore, boring is more prone to, improve the efficiency of boring, increase the girth of the cement mixing method cross section after construction, improve the breakout capacity of cement mixing method, improve uniformity when stirring.
Accompanying drawing explanation
Fig. 1 is the structural representation in the present invention.
Fig. 2 is the partial structurtes schematic diagram in the present invention.
Fig. 3 is the structural representation of drilling rod driver connection status in the present invention.
Fig. 4 is the structural representation of spline housing in the present invention.
Fig. 5 is the structural representation that in the present invention, drilling rod body and driven drilling rod distribute.
Fig. 6 is another structural representation that in the present invention, drilling rod body and driven drilling rod distribute.
In figure, drive case 1, drilling rod body 2, axial actuating mechanism 3, through hole 31, spline housing 32, gathering sill 321, guiding raised line 33, bearing 34, annular boss 35, locking nut 36, supporting frame 37, driver installing plate 371, retainer ring 372, connection strap 373, lift actuator 38, bearing support 39, driven drilling rod 4, drilling rod driver 5, driven wheel 51, duplicate gear 52, first travelling gear 53, second travelling gear 54, carrier gear 55.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Figure 1-3, the drilling rod of this cement mixing method pile driver is axially elevated drives structure, comprise the drive case 1 with inner chamber, drive case 1 is provided with at least one and arranges and the drilling rod body 2 of energy circumference rotation in vertical direction, drilling rod body 2 one end is through in drive case 1, the axial actuating mechanism 3 that drilling rod body 2 all can be driven vertically to reciprocatingly slide when drilling rod body 2 is in circumferential rotary state or is in circumferential inactive state is provided with between drilling rod body 2 and drive case 1, when running into comparatively hard soil layer or stone when holing, drilling rod body 2 is driven by axial actuating mechanism 3 can axial stretching, not easily run into the phenomenon that cannot bore, boring is more prone to, improve the efficiency of boring.
Particularly, axial actuating mechanism 3 in the present embodiment comprises the through hole 31 be arranged in drive case 1, drilling rod body 2 is in through hole 31 and be provided with between drilling rod body 2 with through hole 31 drilling rod body 2 and through hole 31 can be made to slide axially the axially directed assembly be connected, drilling rod body 2 end is connected with the axial driven unit that drilling rod body 2 can be driven to slide along through hole 31 axial reciprocating, namely drives drilling rod body 2 to slide axially by axial driven unit and realizes the flexible of drilling rod body 2.Wherein, here axially directed assembly comprises the spline housing 32 be arranged on by circumferential rotation connection structure in through hole 31, spline housing has some axially extended gathering sills 321 for 32 weeks to the inside, drilling rod body 2 outer circumferential is provided with some axially extended guiding raised lines 33, and guiding raised line 33 is slidably matched with gathering sill 321, owing to being provided with circumferential rotation connection structure between spline housing 32 and through hole 31, drilling rod body 2 circumference can being rotated but also can slide axially not only, do not interfere with each other between the two.Such as, circumferential rotation connection structure here can comprise two and to be arranged between spline housing 32 with through hole 31 and the corresponding bearing 34 being arranged on the two ends of spline housing 32 respectively.
Further, axial driven unit in the present embodiment comprises the supporting frame 37 be arranged in drive case 1, supporting frame 37 is provided with lift actuator 38, and between the output shaft of lift actuator 38 and drilling rod body 2, be provided with the rotation connection structure that drilling rod body 2 can be made to rotate relative to the output shaft circumference of lift actuator 38, preferably, the output shaft of lift actuator 38 is here connected by rotation connection structure with between drilling rod body 32, when making drilling rod body 2 circumference rotate like this, lift actuator 38 can not rotate together along with drilling rod body 2, and drilling rod body 2 slides axially thus realizes flexible in spline housing 32 under the driving of lift actuator 38.Preferably, rotation connection structure here comprises the bearing support 39 between output shaft and drilling rod body 2 being arranged on lift actuator 38, and the output shaft of bearing support 39 one end and lift actuator 38 is fixedly linked, and the other end is fixedly installed on drilling rod body 2.
Wherein, here supporting frame 37 comprises driver installing plate 371 and the retainer ring 372 of corresponding setting mutually, the output shaft of lift actuator 38 is through driver installing plate 371, retainer ring 372 and through hole 31 be concentric to be arranged and retainer ring 372 is arranged in drive case 1, and is connected by some circumferences connection strap 373 arranged that distributes between driver installing plate 371 with retainer ring 372.
As shown in Figure 4, here spline housing 32 cylindrically and spline housing 32 one end has annular boss 35, and annular boss 35 one end is against being arranged on one of them bearing 34, the other end is arranged with locking nut 36, and this locking nut 36 is against being arranged on residue bearing 34, by spline housing 32 one end to be inserted in bearing 34 inner ring and by locking nut 36, spline housing 32 to be arranged on bearing 34 inner ring during installation.
As shown in Fig. 2 and Fig. 5-6, the quantity of the drilling rod body 2 in the present embodiment is one and through the center of drive case 1, drilling rod body 2 outer circumferential be provided with some can with drilling rod body 2 in the same way and/or counter-rotational driven drilling rod 4, preferably, here drilling rod body 2 shifts to install with driven drilling rod 4 in the vertical direction, and drilling rod body 2 is not located along the same line in the projection of vertical direction with the center line of driven drilling rod 4, the center line of drilling rod body 2 and driven drilling rod 4 is connected to form triangular structure successively at the center line of the drilling rod body that the projection of vertical direction is not located along the same line, which increase the girth of the cement mixing method cross section after construction, improve the breakout capacity of cement mixing method, and each drilling rod body 2 vertical direction shifts to install, uniformity during stirring can be improved on the one hand, the difficulty of holing when other direction also reduces construction, here drive case 1 is provided with drilling rod driver 5, drilling rod driver 5 drives drilling rod body 2 circumference to rotate by driven wheel 51, such as, can on drilling rod body 2 sheathed duplicate gear 52, driven wheel 51 is meshed with duplicate gear 52, duplicate gear 52 is connected with the driven drilling rod 4 of part by the first travelling gear 53, make these driven drilling rods 4 can rotate with drilling rod body 2 synchronous backward like this, remaining driven drilling rod 4 is connected with duplicate gear 52 with carrier gear 55 by the second travelling gear 54, make the driven drilling rod 4 be left can rotate with drilling rod body 2 synchronous forward like this, make stirring more even like this, and minimizing boring makes reaction force.
The principle of the present embodiment is: a drilling rod body 2 is arranged on middle part, in its outer circumferential, some driven drilling rods 4 are set, and drilling rod body 2 and each driven drilling rod 4 in the vertical direction shift to install, more even when making like this to stir, the center line of drilling rod body 2 and driven drilling rod 4 is connected to form triangular structure successively at the center line of the drilling rod body that the projection of vertical direction is not located along the same line, which increase the girth of the cement mixing method cross section after construction, improve the breakout capacity of cement mixing method, drilling rod driver 5 drives drilling rod body 2 circumference to rotate by driven wheel 51, duplicate gear 52 is connected with the driven drilling rod 4 of part by the first travelling gear 53, make these driven drilling rods 4 can rotate with drilling rod body 2 synchronous backward like this, remaining driven drilling rod 4 is connected with duplicate gear 52 with carrier gear 55 by the second travelling gear 54, make the driven drilling rod 4 be left can rotate with drilling rod body 2 synchronous forward like this, make stirring more even like this, and minimizing boring makes reaction force, and when running into comparatively hard soil layer or stone when holing, drilling rod body 2 is driven by lift actuator 38 can axial stretching, boring is more prone to, improve the efficiency of boring, not easily run into the phenomenon that cannot bore.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the term such as drive case 1, drilling rod body 2, axial actuating mechanism 3, through hole 31, spline housing 32, gathering sill 321, guiding raised line 33, bearing 34, annular boss 35, locking nut 36, supporting frame 37, driver installing plate 371, retainer ring 372, connection strap 373, lift actuator 38, bearing support 39, driven drilling rod 4, drilling rod driver 5, driven wheel 51, duplicate gear 52, first travelling gear 53, second travelling gear 54, carrier gear 55 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. the drilling rod of a cement mixing method pile driver is axially elevated drives structure, comprise the drive case (1) with inner chamber, described drive case (1) is provided with at least one and arranges and the drilling rod body (2) of energy circumference rotation in vertical direction, described drilling rod body (2) one end is through in drive case (1), it is characterized in that, the axial actuating mechanism (3) that drilling rod body (2) all can be driven vertically to reciprocatingly slide when drilling rod body (2) is in circumferential rotary state or is in circumferential inactive state is provided with between described drilling rod body (2) and drive case (1).
2. the drilling rod of cement mixing method pile driver according to claim 1 is axially elevated drives structure, it is characterized in that, described axial actuating mechanism (3) comprises the through hole (31) be arranged in drive case (1), described drilling rod body (2) is through being provided with between drilling rod body (2) with through hole (31) drilling rod body (2) and through hole (31) can be made to slide axially the axially directed assembly be connected in through hole (31), described drilling rod body (2) end is connected with the axial driven unit that drilling rod body (2) can be driven to slide along through hole (31) axial reciprocating.
3. the drilling rod of cement mixing method pile driver according to claim 2 is axially elevated drives structure, it is characterized in that, described axially directed assembly comprises the spline housing (32) be arranged on by circumferential rotation connection structure in through hole (31), described spline housing (32) week has some axially extended gathering sills (321) to the inside, described drilling rod body (2) outer circumferential is provided with some axially extended guiding raised lines (33), and described guiding raised line (33) and gathering sill (321) are slidably matched.
4. the drilling rod of cement mixing method pile driver according to claim 3 is axially elevated drives structure, it is characterized in that, described circumferential rotation connection structure comprises some bearings (34) be arranged between spline housing (32) and through hole (31).
5. the drilling rod of cement mixing method pile driver according to claim 3 is axially elevated drives structure, and it is characterized in that, the quantity of described bearing (34) is two and correspondence is arranged on the two ends of spline housing (32) respectively.
6. the drilling rod of cement mixing method pile driver according to claim 5 is axially elevated drives structure, it is characterized in that, described spline housing (32) cylindrically and described spline housing (32) one end has annular boss (35), and described annular boss (35) one end is against being arranged on one of them bearing (34), the other end is arranged with locking nut (36), and this locking nut (36) is against being arranged on residue bearing (34).
7. the drilling rod of the cement mixing method pile driver according to Claims 2 or 3 or 4 or 5 or 6 is axially elevated drives structure, it is characterized in that, described axial driven unit comprises the supporting frame (37) be arranged in drive case (1), described supporting frame (37) is provided with lift actuator (38), and is provided with the rotation connection structure that drilling rod body (2) can be made to rotate relative to the output shaft circumference of lift actuator (38) between the output shaft of described lift actuator (38) and drilling rod body (2).
8. the drilling rod of cement mixing method pile driver according to claim 7 is axially elevated drives structure, it is characterized in that, described rotation connection structure comprises the bearing support (39) between output shaft and drilling rod body (2) being arranged on lift actuator (38), and the output shaft of described bearing support (39) one end and lift actuator (38) is fixedly linked, the other end is fixedly installed on drilling rod body (2).
9. the drilling rod of cement mixing method pile driver according to claim 7 is axially elevated drives structure, it is characterized in that, described supporting frame (37) comprises the corresponding driver installing plate (371) arranged and retainer ring (372) mutually, the output shaft of described lift actuator (38) is through driver installing plate (371), described retainer ring (372) and through hole (31) be concentric to be arranged and retainer ring (372) is arranged in drive case (1), and be connected by some circumferences connection strap (373) arranged that distributes between driver installing plate (371) with retainer ring (372).
10. the drilling rod of cement mixing method pile driver according to claim 1 is axially elevated drives structure, it is characterized in that, the quantity of described drilling rod body (2) is one and through the center of drive case (1), described drilling rod body (2) outer circumferential be provided with some can with drilling rod body (2) in the same way and/or counter-rotational driven drilling rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415164.5A CN105019441B (en) | 2015-07-15 | 2015-07-15 | Axial lifting driving structure for drill rods of pile driver for cement mixing piles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415164.5A CN105019441B (en) | 2015-07-15 | 2015-07-15 | Axial lifting driving structure for drill rods of pile driver for cement mixing piles |
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| CN105019441A true CN105019441A (en) | 2015-11-04 |
| CN105019441B CN105019441B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510415164.5A Active CN105019441B (en) | 2015-07-15 | 2015-07-15 | Axial lifting driving structure for drill rods of pile driver for cement mixing piles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545226A (en) * | 2016-01-30 | 2016-05-04 | 周兆弟 | Lifting device for drill rods of piling machine |
| WO2017008469A1 (en) * | 2015-07-15 | 2017-01-19 | 周兆弟 | Movable drill pile of pile driver for cement-soil mixing pile |
| CN113443591A (en) * | 2021-07-19 | 2021-09-28 | 淮北民生矿山机器有限公司 | Rapid installation assembly and method suitable for stirrer of large-diameter stirring tank |
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