CN207727563U - Pattern foundation pit supporting structure cement-soil stirring pile construction equipment - Google Patents
Pattern foundation pit supporting structure cement-soil stirring pile construction equipment Download PDFInfo
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- CN207727563U CN207727563U CN201721843772.7U CN201721843772U CN207727563U CN 207727563 U CN207727563 U CN 207727563U CN 201721843772 U CN201721843772 U CN 201721843772U CN 207727563 U CN207727563 U CN 207727563U
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- drilling rod
- locating part
- bearing
- supporting structure
- foundation pit
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The problem that the utility model causes pile precision low for drilling rod bounce, provides a kind of pattern foundation pit supporting structure cement-soil stirring pile construction equipment, can limit drilling rod bounce, improves drilling rod stability, and borehole accuracy is high, and the technical solution is as follows：The headstock including rack and being vertically slidably connected in rack and the drilling rod driven by headstock, the locating part for abutting construction ground is connected in rack, locating part runs through the bearing of locating part, drilling rod passes through bearing to be slidably connected with bearing and be rotatablely connected by bearing and locating part, the inner wall of bearing is equipped with sliding part, and the sliding slot being clamped for sliding part is provided in an axial direction on the side wall of drilling rod.Drilling rod is limited by locating part, it avoids drilling rod from beating, is connected in construction surface by locating part level to ensure that drilling rod vertically drills, is connected in sliding slot by sliding part to limit the sliding path of drilling rod, improve stability when drilling rod drilling so that borehole accuracy is higher.
Description
Technical field
The utility model is related to a kind of cement-soil stirring pile construction equipment, more specifically, it relates to a kind of pattern foundation pit supporting structure
With cement-soil stirring pile construction equipment.
Background technology
When carrying out reinforcing and pattern foundation pit supporting structure to Soft Soil Layer, the method for usually using cement mortar and soil shear failure forms water
Soil stirs pile body, and intensity and sealing to make soft foundation are greatly improved.Traditional uniaxial mixing pile and two axis
Mixing pile has the ratio of mud small in a certain range compared with three axes agitating pile, replaces soil less, cement mixing content is small, low cost
The advantages that.
Currently, disclosing a kind of foundation stabilization application No. is the Chinese patent of CN201210445578.9 or pattern foundation pit supporting structure is used
Six-axis cement soil mixing pile construction equipment, it includes rack, is provided with the headstock that can be slided up and down in rack, in headstock
Equipped with power head, power head connects six roots of sensation drilling rod, and six roots of sensation drilling rod is mutually parallel on same vertical plane on vertical direction, the six roots of sensation
The rotation direction of drilling rod is identical or part is different；Every drilling rod lower part is provided with stirring blade or blade, two neighboring drilling rod
Stirring blade or blade not on sustained height, stirring blade or blade radical length are d, and the spacing of adjacent drill pipes is D, d
＞ D/2；Also arranged for interval has three vertical hollow tubes, the opening of hollow bottom of the tube to be located between power lower box part six roots of sensation drilling rod
The top of drilling rod stirring blade or blade；The rotation of six roots of sensation drilling rod is formed simultaneously mutually overlapped six roots of sensation cement mixing method.
Although this foundation stabilization or pattern foundation pit supporting structure improve construction efficiency with Six-axis cement soil mixing pile construction equipment, by
Larger in the usual depth of mixing pile, the required run of steel that causes to construct is longer, and drilling rod is only fixed with headstock, and drilling rod exists
High speed rotation state is in work progress, in the case of drilling rod Mass Distribution non-absolute uniform, due to the effect of centrifugal force
To drilling rod be swung, especially end of the drilling rod far from headstock, in fact it could happen that larger bounce so that work progress
Middle borehole accuracy greatly declines, and may lead to pile accuracy decline, also improve space.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pattern foundation pit supporting structures to be stirred with soil cement
Pile driving construction equipment is mixed, has the advantages that borehole accuracy is high.
To achieve the above object, the utility model provides following technical solution：
A kind of pattern foundation pit supporting structure cement-soil stirring pile construction equipment, including rack and vertically it is slidably connected at machine
Headstock on frame and the drilling rod driven by headstock are connected with the locating part for abutting construction ground in the rack, described
Locating part includes the bearing through locating part, and the drilling rod passes through bearing to be slidably connected with bearing and turn by bearing and locating part
The inner wall of dynamic connection, the bearing is equipped with sliding part, and the cunning being clamped for sliding part is provided in an axial direction on the side wall of the drilling rod
Slot.
Using above-mentioned technical proposal, it is connect with drilling steel slip so that drilling rod is by headstock and locating part by locating part
Limit, avoid drilling rod from beating by 2 points of limits, improve drilling rod rotation when stability, construction surface is connected to by locating part
On, after ensureing locating part in being horizontally disposed with, you can ensure that drilling rod vertically drills, sliding slot is connected to by sliding part
It is interior to limit the sliding path of drilling rod, improve stability when drilling rod drilling so that borehole accuracy is higher, and then ensures mixing pile
Vertical degree, improve the stability of mixing pile, drilling rod is rotatablely connected by bearing and locating part, reduces mill when drilling rod rotation
Damage.
Preferably, the sliding slot has multiple and along drilling rod circumferencial direction distributions, the sliding part have it is multiple and with it is multiple
Sliding slot corresponds.
It using above-mentioned technical proposal, is clamped by multiple sliding slots and sliding part so that sliding part is limited from multiple directions and bored
Bar is beated, and is further increased position-limiting action of the locating part to drilling rod, is further increased borehole accuracy.
Preferably, multiple sliding slots are uniformly distributed along the circumferencial direction of drilling rod.
It is uniformly distributed along the circumferencial direction of drilling rod by sliding slot so that limit of the sliding part to drilling rod using above-mentioned technical proposal
Effect is evenly distributed, and further increases stability when drilling rod operation, to improve borehole accuracy.
Preferably, each sliding part includes the idler wheel that two length directions along sliding slot arrange, the rolling of the idler wheel
Dynamic direction is consistent with the length direction of sliding slot.
Using above-mentioned technical proposal, by idler wheel so that the sliding friction of sliding part and sliding slot is converted to rolling friction, into
One step reduces the abrasion of drilling rod.
Preferably, the rack is connect with rack by lead screw by being distributed in the pulley support of quadrangle, the pulley, institute
The rectangular box that locating part is bottom opening is stated, the top of the locating part is run through by bearing, and the locating part passes through elevator
Structure is connect with rack.
Using above-mentioned technical proposal, by lead screw adjustable pulley at a distance from rack, and then leveling operation is carried out to rack,
And then ensure the levelness of locating part, by elevating mechanism lifting locating part so that locating part is connected to construction surface in operation,
Frictional influence is avoided to transport when equipment conveying simultaneously.
Preferably, the locating part is equipped with level meter.
Using above-mentioned technical proposal, the levelness of locating part is preferably observed by level meter, facilitates adjusting.
Preferably, the locating part is equipped with sharp portion towards the end of construction surface.
Using above-mentioned technical proposal, construction surface is inserted by sharp portion so that locating part connect with construction surface it is more stable, into
And more stable limit effect is provided drilling rod.
Preferably, the sharp portion has multiple and circumferential directions along locating part uniformly distributed.
The connection of limiting plate and construction surface is further increased by multiple uniformly distributed sharp portions using above-mentioned technical proposal
Stability.
In conclusion the utility model has the advantages that：Drilling rod is limited by locating part, drilling rod is avoided to jump
It is dynamic, improve stability when drilling rod rotation, be connected in construction surface by locating part level with ensure drilling rod vertically into
Row drilling is connected in sliding slot stability when improving drilling rod drilling to limit the sliding path of drilling rod by sliding part so that
Borehole accuracy is higher, ensures the vertical degree of mixing pile, improves the stability of mixing pile；Drilling rod is connected by bearing and locating part rotation
It connects, while being rolled and being connected by idler wheel and sliding slot, reduce abrasion when drilling rod operation；Leveling work is carried out to holder by lead screw
Industry, and then ensure the levelness of locating part；Limiting plate is lifted by elevating mechanism to transport to avoid frictional influence；By uniformly distributed
Sharp portion is inserted into construction surface so that limiting plate connect more stable with construction surface, and then provides drilling rod more stable limit effect.
Description of the drawings
Fig. 1 is the overall structure diagram of pattern foundation pit supporting structure cement-soil stirring pile construction equipment in the utility model；
Fig. 2 shows for the internal structure for illustrating pattern foundation pit supporting structure cement-soil stirring pile construction equipment in the utility model
It is intended to；
Fig. 3 is the enlarged diagram in the portions A in Fig. 2.
In figure：1, rack；11, card slot；12, elevating mechanism；121, cylinder；2, headstock；21, hoisting ring；22, the first electricity
Machine；23, pulley；3, drilling rod；31, helical blade；32, drill bit；33, sliding slot；34, injected hole；4, locating part；41, sharp portion；
42, bearing；421, sliding part；422, idler wheel；5, level meter；6, runner；61, the second motor；62, wirerope；63, fixed pulley；7、
Traveling wheel；71, lead screw.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the utility model is described in detail.
A kind of pattern foundation pit supporting structure cement-soil stirring pile construction equipment, referring to Fig.1, including rack 1,1 upper edge of rack are square vertically
To headstock 2 is slidably connected, headstock 2 is connected with the drilling rod 3 driven by headstock 2, and rack 1, which is equipped with, abuts construction ground
Locating part 4, through locating part 4 and being slidably connected with locating part 4, locating part 4 slides axially drilling rod 3 along drilling rod 3.
With reference to Fig. 2, headstock 2 is rectangular box, sets that there are six first motor 22, six first motors 22 in headstock 2
Length direction along headstock 2 is linearly closely arranged, and the length direction both ends of headstock 2 are fixed with hoisting ring 21,1 liang of rack
Side is fixed with runner 6, and wirerope 62 is wound on runner 6, and the top of rack 1 is fixed with fixed pulley 63, and the end of wirerope 62 is crossed over
Fixed pulley 63 is simultaneously connect with hoisting ring 21, runner 6 be equipped with driving runner 6 rotate the second motor 61, by runner 6 rotate with
Headstock 2 is lifted by crane or put down using wirerope 62 to drive headstock 2 to lift.
The both ends of headstock 2 are fixed with pulley 23, and rack 1 is vertically extended with card slot 11, the notch court of card slot 11
To headstock 2, pulley 23 is connected to sliding in card slot 11.
Six first motors 22 are connect with six drilling rods 3 respectively, and six drilling rods 3 are driven by first motor 22 to rotate.
The elevating mechanism 12 that driving locating part 4 lifts is fixed in rack 1, elevating mechanism 12 is cylinder 121, cylinder 121
Extension bar vertically stretch out downward, the telescopic rod of cylinder 121 is fixedly connected with locating part 4.
Locating part 4 is rectangular box, and the bottom opening of locating part 4, the bottom of locating part 4 is evenly equipped with several along circumferential direction
Sharp portion 41, is further fixed on level meter 5 on locating part 4, and the top plate of locating part 4 is through being connected with bearing 42, totally six, bearing 42
And corresponded with drilling rod 3, drilling rod 3 is inserted into bearing 42 and is rotatablely connected by bearing 42 and locating part 4, and drilling rod 3 is along its axial direction
It is slidably connected with bearing 42.
With reference to Fig. 2 and Fig. 3, it is provided in the axial direction with sliding slot 33 on the side wall of drilling rod 3, sliding slot 33 totally two and along drilling rod 3
Circumferencial direction it is uniformly distributed, sliding part 421 is fixed on the inner wall of bearing 42, sliding part 421 includes multiple vertically uniformly distributed
Idler wheel 422, idler wheel 422 is connected in sliding slot 33 and is connected to the slot bottom of sliding slot 33 and roll.
The end of the side wall of drilling rod 3 towards drill bit 32 is connected with helical blade 31, the helical blade in adjacent drill pipes 3
31 height are staggered, and the diameter of helical blade 31 is more than the distance between 3 axial line of adjacent drill pipes, and helical blade 31 is located at locating part
4 inner space.
Drilling rod 3 is hollow structure, and 3 side wall of drilling rod is provided with several injected holes 34 close to one end of drill bit 32, and injected hole 34 divides
Upper and lower ends of the cloth in helical blade 31.
The quadrangle of 1 bottom of rack is equipped with traveling wheel 7, and traveling wheel 7 is connect with rack 1 by lead screw 71, revolved by lead screw 71
Turn to adjust the levelness of rack 1, and then adjusts the levelness of locating part 4.
The operating mode and principle of the present embodiment are as follows：
When operation, by observation level meter 5 and rotary screw 71 to adjust the levelness of rack 1, and then locating part 4 is adjusted
Levelness, then locating part 4 is dropped to by elevating mechanism 12 and is connected in construction surface, and sharp portion 41 is made to be inserted in construction
With fixation on face, then first motor 22 is to drive drilling rod 3 to rotate, and and then starting the second motor 61 makes runner 6 rotate, in turn
Loosen pulling force of the wirerope 62 to headstock 2, headstock 2 and drilling rod 3 decline by conducting oneself with dignity, and then drilling rod 3 pierces construction surface
In with drilling.
To after designated depth, then the slip casting toward drilling rod 3 in is expelled to by injected hole 34 in drilled for drilling, startup the
Two motors 61 drive drilling rod 3 to rise to drive wirerope 62 that headstock 2 is pulled to rise, and are mixed cement by helical blade 31
Slurry, then lifting drive case 2 back and forth, so that helical blade 31 mixes cement back and forth, slurry is with pile.
When being lifted due to headstock 2, it is clamped by pulley 23 and card slot 11, in the case where ensureing 1 levelness of rack, limit
It has made headstock 2 vertically to lift, and then drilling rod 3 is driven to lift in the vertical direction, simultaneously because locating part 4 is along drilling rod
3 axial direction is opposite with drilling rod 3 to be slided, and in the case where ensureing the levelness of locating part 4, passes through locating part 4 and headstock 2 from two
Point limitation drilling rod 3 vertically lifts, and drilling rod 3 is avoided to beat, and ensures 3 vertical drilling hole of drilling rod, improves steady when drilling rod 3 rotates
It is qualitative, and then borehole accuracy is improved, to improve pile precision, improve pile body stability.
Since drilling rod 3 is rotatablely connected by bearing 42 and locating part 4, reduces and damaged with the friction of locating part 4 when drilling rod 3 rotates
Consumption is connected to sliding in sliding slot 33 by idler wheel 422 when drilling rod 3 lifts, reduces drilling rod 3 and 42 frictional dissipation of bearing.
It is uniformly distributed along the circumferencial direction of drilling rod 3 by multiple sliding slots 33, while passing through vertically uniformly distributed multiple idler wheels
422 abut 33 slot bottom of sliding slot simultaneously, improve the clamping active area of bearing 42 and drilling rod 3, and then improve locating part 4 to drilling rod 3
Position-limiting action.
It is inserted into construction surface by the uniformly distributed sharp portion 41 of multiple circumferential directions along locating part 4, improves locating part 4 and construction
The connective stability in face improves 4 self stability of locating part, while improving the whole stability of rack 1, and then improves drilling and make
Industry stability.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of pattern foundation pit supporting structure cement-soil stirring pile construction equipment, including rack (1) and vertically it is slidably connected at
Headstock (2) in rack (1) and the drilling rod (3) by headstock (2) driving, it is characterized in that：It is connected on the rack (1)
The locating part (4) of construction ground is abutted, the locating part (4) includes the bearing (42) through locating part (4), the drilling rod (3)
It is slidably connected and is rotatablely connected by bearing (42) and locating part (4), the bearing (42) across bearing (42) and bearing (42)
Inner wall be equipped with sliding part (421), be provided with the sliding slot being clamped for sliding part (421) in an axial direction on the side wall of the drilling rod (3)
(33)。
2. pattern foundation pit supporting structure according to claim 1 cement-soil stirring pile construction equipment, it is characterized in that：The sliding slot (33)
Have multiple and be distributed along the circumferencial direction of drilling rod (3), the sliding part (421) has multiple and a pair of with multiple sliding slots (33) one
It answers.
3. pattern foundation pit supporting structure according to claim 2 cement-soil stirring pile construction equipment, it is characterized in that：Multiple sliding slots
(33) uniformly distributed along the circumferencial direction of drilling rod (3).
4. pattern foundation pit supporting structure according to claim 3 cement-soil stirring pile construction equipment, it is characterized in that：Each sliding
Part (421) include two along sliding slot (33) length direction arrange idler wheel (422), the rotating direction of the idler wheel (422) with
The length direction of sliding slot (33) is consistent.
5. pattern foundation pit supporting structure according to claim 1 cement-soil stirring pile construction equipment, it is characterized in that：The rack (1)
Pulley (23) by being distributed in quadrangle supports, and the pulley (23) is connect with rack (1) by lead screw (71), the locating part
(4) it is the rectangular box of bottom opening, the top of the locating part (4) is run through by bearing (42), and the locating part (4) passes through liter
Descending mechanism (12) is connect with rack (1).
6. pattern foundation pit supporting structure according to claim 5 cement-soil stirring pile construction equipment, it is characterized in that：The locating part
(4) it is equipped with level meter (5).
7. pattern foundation pit supporting structure according to claim 5 cement-soil stirring pile construction equipment, it is characterized in that：The locating part
(4) it is equipped with sharp portion (41) towards the end of construction surface.
8. pattern foundation pit supporting structure according to claim 7 cement-soil stirring pile construction equipment, it is characterized in that：The sharp portion
(41) have multiple and uniformly distributed along the circumferential direction of locating part (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843772.7U CN207727563U (en) | 2017-12-23 | 2017-12-23 | Pattern foundation pit supporting structure cement-soil stirring pile construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843772.7U CN207727563U (en) | 2017-12-23 | 2017-12-23 | Pattern foundation pit supporting structure cement-soil stirring pile construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207727563U true CN207727563U (en) | 2018-08-14 |
Family
ID=63086337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721843772.7U Active CN207727563U (en) | 2017-12-23 | 2017-12-23 | Pattern foundation pit supporting structure cement-soil stirring pile construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207727563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506531A (en) * | 2019-01-08 | 2019-03-22 | 贵州大学 | A kind of blast working drilling equipment with pre- anti-collapse effect |
-
2017
- 2017-12-23 CN CN201721843772.7U patent/CN207727563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506531A (en) * | 2019-01-08 | 2019-03-22 | 贵州大学 | A kind of blast working drilling equipment with pre- anti-collapse effect |
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