CN208089876U - A kind of rotary drilling rig and its power head torsion increasing device - Google Patents
A kind of rotary drilling rig and its power head torsion increasing device Download PDFInfo
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- CN208089876U CN208089876U CN201820276720.4U CN201820276720U CN208089876U CN 208089876 U CN208089876 U CN 208089876U CN 201820276720 U CN201820276720 U CN 201820276720U CN 208089876 U CN208089876 U CN 208089876U
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- power head
- planetary gear
- increasing device
- wheel shaft
- sun wheel
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Abstract
The utility model discloses a kind of power head torsion increasing devices, including torque case and bracket, bracket one end is connect with torque case, and the other end is extended with the claw that may be stuck on mast；Torque case includes：The upper box and lower box for being engaged the planetary gear speed reducing mechanism formed by gear by sun wheel shaft, the planetary gear on planet carrier with gear ring and being gripped planetary gear speed reducing mechanism, planetary gear speed reducing mechanism are fastened on by upper box and lower box on bracket；Sun wheel shaft upper end with power head output end for connecting；Gear ring upper end is connect with upper box, and gear ring lower end is connect with lower box；Lower connecting pin of the planet carrier lower end setting one for being attached with the inbuilt casing of needs.The power head torsion increasing device of the utility model may be provided on rotary drilling rig, can casing be transferred to designated position, and the casing that can meet larger diameter and bigger depth buries demand, have the characteristics that simple in structure, stable and reliable in work, dismounting is convenient.
Description
Technical field
The utility model is related to surface in basic engineering construction or the drilling equipments of underground hole-forming, more particularly to a kind of
Rotary drilling rig.
Background technology
Rotary drilling rig is a kind of boring machine for Concrete Grouting Pale in pile foundation engineering.In recent years, with
Economic construction of China rapidly develop and the Belt and Road strategy propulsion, rotary drilling rig at home and abroad highway, railway, across river
Using increasingly extensive in the engineerings such as bridge spanning the sea, urban track traffic.
Under normal conditions, wet type rotary digging engineering method of the rotary drilling rig using static mud protecting wall or the dry type without stabilizing solution are revolved
Engineering method is dug, different drilling tools is coordinated, can adapt to soil layer and the construction of soft or hard layer of most area.But it in mud, quicksand, returns
Fill out, the caving grounds such as solution cavity, or it is American-European it is equal some do not allow to construct using the area of mud when, generally require additionally to adopt
A full set of pipe construction is carried out with vibration hammer with full-rotating drill, pipe rubbing machine or crawler crane, while increasing a large amount of extras, to existing
The problems such as field brings huge assembly and disassembly workload, and it is high that there are construction costs, and efficiency is low.Full-sleeve rotary digging engineering method and wet type rotary digging
Engineering method and dry type churning driven engineering method are the difference is that full-sleeve rotary digging engineering method has buried part or full brill using ancillary equipment
The Steel Casing of hole depth carries out retaining wall, therefore improves adaptability of the rotary drilling rig to stratum.As can motor-driven using churning driven
Power head carries out a full set of pipe construction, then can reduce a large amount of ancillary equipments and on-site installation work amount, and construction efficiency is high and economical, just
It is prompt.
The power head torque of existing rotary drilling rig can only meet minor diameter or the casing of slight depth is embedded, cannot be satisfied big
Part engineering demand.In practice of construction, that there are construction efficiency is undesirable, equipment damage degree is larger, or even cannot achieve casing
The problem of driving.
Utility model content
For current engineering construction there are the problem of, the utility model provides a kind of rotary digging drill power head torque dress
It sets, solves and bury the casing caused by torque deficiency in steel casing currently with rotary drilling rig and can not transfer to designated position
Problem, and the device can be dismounted directly on rotary drilling rig, and original function is not influenced, and have simple in structure, work
It is reliable and stable, dismounting it is convenient the features such as.
To achieve the goals above, the utility model provides a kind of rotary drilling rig and its power head torsion increasing device.
A kind of power head torsion increasing device, which is characterized in that include torque case and bracket, bracket one end is connect with torque case,
The other end is extended with the claw that may be stuck on mast, makes bracket can be along mast vertical sliding motion by claw；
The torque case includes：Group is engaged by gear with gear ring by sun wheel shaft, the planetary gear on planet carrier
At planetary gear speed reducing mechanism and grip the upper box and lower box of planetary gear speed reducing mechanism, planetary gear speed reducing mechanism passes through upper box
It is fastened on bracket with lower box；
Sun wheel shaft is hollow shaft, and formation can accommodate the space that drilling rod passes perpendicularly through；Sun wheel shaft upper end is used for and power
Head output end connection；Gear ring upper end is connect with upper box, and gear ring lower end is connect with lower box；Planet carrier lower end setting one for
Need the lower connecting pin that inbuilt casing is attached；
Further, connecting pin in planet carrier upper surface setting one, the inside and the sun of upper connecting pin and/or lower connecting pin
Clamping setting one is placed on inner bearing in sun wheel shaft respectively between wheel shaft, inner bearing by be connected to upper connecting pin and/or under
The interior sealing seat of connecting pin carries out axial restraint.
Further, connecting pin in planet carrier upper surface setting one, the outside and top box of upper connecting pin and/or lower connecting pin
Clamping setting one is placed on the outer bearing on connecting pin and/or lower connecting pin respectively between body and/or lower box, and outer bearing passes through
The external seal seat being connected on upper box and/or lower box carries out axial restraint.
Further, it is also fixed in planet carrier by limiting device positioned at the inner bearing of lower end, the limiting device is
Circumferentially spaced segmentation structure.
Further, planet carrier is separate structure, including upper frame, lower frame and connection upper frame and lower frame is multiple
Connecting shaft；The space formed between adjacent connecting shaft is for accommodating installation planetary gear.
Further, it is separately provided for accommodating the mounting hole of planetary gear axis pin, planetary gear on upper frame and lower frame
It is installed on by planetary gear axis pin in the space formed between adjacent connecting shaft.
Further, a strengthening segment is arranged in the inner wall of sun wheel shaft, and the wall thickness at strengthening segment is more than the inner wall of other positions
Thickness, strengthening segment are located at planet carrier and the matched position of gear ring.
Further, the hollow shaft interior diameter of sun wheel shaft is ranging between 300 millimeters to 800 millimeters.
Further, sun wheel shaft upper end is connect with power head output end by several axis pins, and axis pin axis direction with
The power head centre of gyration is vertical.
A kind of rotary drilling rig, including rotary digging host, mast, drilling rod and being fixed on mast and drilling rod can be driven to be bored
The power head in hole, which is characterized in that further include the above-mentioned arbitrary power head torsion increasing device.
The advantageous effect that the utility model is reached：
The power head torsion increasing device of the utility model is arranged on rotary drilling rig, and the output torque of power head passes through torque
After device, final output torque gets a promotion, and plays torque amplification, when rotary drilling rig buries steel casing, can incite somebody to action
Casing transfers to designated position, and the casing that can meet larger diameter and bigger depth buries demand, and the power head torsion increasing device
Directly it can be dismounted and be installed and used on existing rotary drilling rig, not influence the function of original rotary drilling rig, there is structure
Simply, stable and reliable in work, dismounting it is convenient the features such as.
Description of the drawings
Fig. 1 churning driven overall structure diagrams；
Fig. 2 torsion increasing device overall schematics；
Fig. 3 torsion increasing devices and power head connection diagram；
The front view of Fig. 4 Fig. 2 torsion increasing devices；
The vertical view of Fig. 5 Fig. 2 torsion increasing devices；
The longitudinal sectional view of Fig. 6 Fig. 4 torsion increasing devices；
The transverse sectional view of Fig. 7 Fig. 6；
Fig. 8 planet carrier schematic diagrames；
In figure, 1- rotary digging host 2- mast 3- drilling rod 4- power head 5- torsion increasing device 6- axis pin 7- torque casees 8-
Connecting pin 14- on the 132- of connecting pin under axis pin 9- bracket 10- bolt 11- snap-gauge 12- upper box 13- planet carriers 131-
Gear ring 15- lower box 16- seal receptacles 17- sealing 18- limiting device 19- seal receptacles 20- sealing 21- bearing 22- bearings 23-
Planet wheel bearing 24- planetary gear axis pin 25- seal receptacle 26- sun wheel shaft 261- strengthening segment 27- planetary gears.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and the scope of protection of the utility model cannot be limited with this.
A kind of churning driven, including rotary digging host 1, mast 2, drilling rod 3 and the power head 4 being supported and fixed on mast and increasing
Device 5 is turned round, power head 4 and torsion increasing device 5 can move up and down along mast 2, and power head 4 drives drilling rod 3 to drill, while power
First 4 output end is connected by axis pin 6 with torsion increasing device 5, and power head 4 is increased final torque by torsion increasing device 5, and torque is made to fill
Set 5 output ends can meet major diameter or depth casing it is embedded.
In conjunction with Fig. 2-Fig. 7, torsion increasing device 5 includes torque case 7, bracket 9 and the pin for being connected and fixed torque case 7 and bracket 9
During axis 8, bolt 10 and snap-gauge 11, torque case 7 are connect with bracket 9 by axis pin 8, and 6 axis direction of axis pin is turned round with power head 4
The heart is parallel.9 one end of bracket is connect with torque case 7, and the other end stretches out two claws and is stuck on mast 2, makes bracket 9 can be along mast 2
Vertical sliding motion.Torque case 7 is attached to by bracket 9 on mast 2, its stability and reliability can be increased, and reduces it to the greatest extent certainly
Again on influence caused by power head 4.But since the distance between mast 2 and drilling rod 3 are limited, the structure inside torque case 7
Design should meet the assembly, construction and production cost demand of the confined space, meet torque output, intensity, rigidity again and match
The demand of precision is closed, and reduces its dead weight as far as possible, therefore, the structure design needs inside torque case 7 consider each
Aspect factor, final design go out can meet demand torque case.
In torque case 7,4 output torque of power head is transferred to sun wheel shaft 26, sun wheel shaft 26, planetary gear by axis pin 6
27 constitute a kind of planetary gear speed reducing mechanism with gear ring 14, and sun wheel shaft 26 is hollow shaft, and formation can accommodate what drilling rod 3 passed perpendicularly through
Space makes torque case 7 that can move up and down along mast 2 with power head 4, does not influence the movement of drilling rod 3.26 upper end of sun wheel shaft
It is connect with 4 output end of power head by axis pin 6.Sun wheel shaft 26 is the input terminal of planetary gear speed reducing mechanism, and gear ring 14 subtracts for planet
The fixing end of fast mechanism, 14 upper end of gear ring are connect by bolt with upper box 12, and 14 lower end of gear ring passes through bolt and lower box 15
Connection is finally exported by the torque that planet carrier 13 is output end progress planetary gear speed reducing mechanism.The lower connecting pin of 13 lower end of planet carrier
131 can be attached with inbuilt casing is needed, and be sequentially sent to be formed after drilling rod 3 is applied and bored for the section of casing one one to save land
Deeper drill hole.Upper box 12 and lower box 15 are connected and fixed with 9 one end of bracket, are kept its stress big, be ensure that using the longevity
Life.
A strengthening segment 261 is arranged in the inner wall of sun wheel shaft 26, and the wall thickness at strengthening segment 261 is more than the interior wall thickness of other positions
Degree, strengthening segment 261 are located at planet carrier 13 and 14 matched position of gear ring, hollow sun wheel shaft 26 are enable more reliably to carry
With transmission torque.It is used between strengthening segment 261 and the inner wall on periphery and seamlessly transits to form integrally connected.Sun wheel shaft 26 it is hollow
Axis interior diameter is ranging between 300 millimeters to 800 millimeters.
Since 7 inner space of torque case is limited, intensity, the use demand in service life should be met in torque case 7, is made again
Standard component bearing can form good cooperation with internal structural space, and therefore, the structure type of transmission cannot be satisfied.Planetary gear
27 are fixed on by planetary gear axis pin 24 and planet wheel bearing 23 on planet carrier 13, the upper company of 13 upper surface of planet carrier and lower face
It connects and the bearing that setting one is placed in sun wheel shaft 26 is clamped between end 132, the inside of lower connecting pin 131 and sun wheel shaft 26 respectively
21, clamping setting one is placed on respectively between upper connecting pin 132, the outside of lower connecting pin 131 and upper box 12 and lower box 12
Bearing 22 on connecting pin 132, lower connecting pin 131 is fixed planet carrier 13 by bearing 21, bearing 22, upper and lower ends
Bearing 22 axial restraint is carried out by seal receptacle 16, the seal receptacle 16 of upper and lower ends is separately fixed at upper box 12 and nowel
On body 15, it is sealed using sealing 17 between the upper connecting pin 132 of seal receptacle 16 and planet carrier 13, lower connecting pin 131；Upper end
Bearing 21 axial restraint is carried out by seal receptacle 25, seal receptacle 25 is fixed on connecting pin 132, seal receptacle 25 and sun gear
It is sealed by sealing between axis 26；The bearing 21 of lower end carries out axial restraint by seal receptacle 19, wherein positioned at lower end
Bearing 21 is also fixed on by limiting device 18 in planet carrier 13, and limiting device 18 is sectional design, by being arranged in lower company
Connect end 131 madial walls on seal receptacle 19 carry out it is radially fixed.Seal receptacle 19 can be connected on limiting device 18.Seal receptacle 19
It is sealed by sealing 20 between sun wheel shaft 26.To being realized to bearing 21 by the shearing resistance of structural member in this programme
Axially position could be installed only when limiting device 18 makes sectional design.
Upper connecting pin 132, lower connecting pin 131 can be integrally formed with upper surface, the lower face of planet carrier 13 or be independent
Component, connect, be assembled into one with the upper surface of planet carrier 13, lower face.
In the application, preferably, planet carrier 13 is separate structure by traditional structure design, as shown in figure 8, by upper frame
133, lower frame 134 and multiple connecting shafts 135 of connection upper frame 133 and lower frame 134 are constituted；Upper frame 133 and lower frame 134
Center has a centre bore, and the centre bore is for accommodating sun wheel shaft 26；The space 137 formed between adjacent connecting shaft 135 can
Planetary gear is installed for accommodating.This structure not only alleviates the weight of planet carrier, and avoids and open up use on planet carrier
In the mounting hole for accommodating planetary gear, difficulty of processing and production cost are reduced, makes the mounting hole 136 of fixed planetary gear axis pin more
Facilitate processing, ensure that the control of the fit tolerance, gap and assembly precision of mounting hole.
After the output torque of power head is by torsion increasing device, final output torque gets a promotion, and plays torque amplification and makees
With so that the power head of rotary drilling rig can meet larger diameter and the casing of bigger depth is embedded.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (10)
1. a kind of power head torsion increasing device, which is characterized in that include torque case and bracket, bracket one end is connect with torque case, separately
One end is extended with the claw that may be stuck on mast, makes bracket can be along mast vertical sliding motion by claw；
The torque case includes：It is engaged by sun wheel shaft, the planetary gear on planet carrier and to be formed by gear with gear ring
Planetary gear speed reducing mechanism and the upper box and lower box for gripping planetary gear speed reducing mechanism, planetary gear speed reducing mechanism is by upper box under
Babinet is fastened on bracket；
Sun wheel shaft is hollow shaft, and formation can accommodate the space that drilling rod passes perpendicularly through；Sun wheel shaft upper end is used for defeated with power head
Outlet connects；Gear ring upper end is connect with upper box, and gear ring lower end is connect with lower box；Planet carrier lower end setting one is used for and needs
The lower connecting pin that inbuilt casing is attached.
2. power head torsion increasing device according to claim 1, which is characterized in that connected in planet carrier upper surface setting one
End, between upper connecting pin and/or the inside and sun wheel shaft of lower connecting pin respectively clamping setting one be placed on it is interior in sun wheel shaft
Bearing, inner bearing carry out axial restraint by being connected to the interior sealing seat of upper connecting pin and/or lower connecting pin.
3. power head torsion increasing device according to claim 1 or 2, which is characterized in that connect in planet carrier upper surface setting one
End is connect, the company of being placed on is arranged in clamping respectively between upper connecting pin and/or the outside and upper box and/or lower box of lower connecting pin
The outer bearing on end and/or lower connecting pin is connect, outer bearing is carried out by the external seal seat being connected on upper box and/or lower box
Axial restraint.
4. power head torsion increasing device according to claim 3, which is characterized in that the inner bearing positioned at lower end also passes through limit
Device is fixed in planet carrier, and the limiting device is circumferentially spaced segmentation structure.
5. power head torsion increasing device according to claim 1, which is characterized in that planet carrier is separate structure, including restocking
Body, lower frame and the multiple connecting shafts for connecting upper frame and lower frame；It is installed for accommodating in the space formed between adjacent connecting shaft
Planetary gear.
6. power head torsion increasing device according to claim 2, which is characterized in that be respectively arranged on upper frame and lower frame
Mounting hole for accommodating planetary gear axis pin, planetary gear are installed on the space formed between adjacent connecting shaft by planetary gear axis pin
In.
7. power head torsion increasing device according to claim 1, which is characterized in that the inner wall setting one of sun wheel shaft is reinforced
Section, the wall thickness at strengthening segment is more than the inner wall thickness of other positions, and strengthening segment is located at planet carrier and the matched position of gear ring.
8. power head torsion increasing device according to claim 7, which is characterized in that the hollow shaft interior diameter range of sun wheel shaft
Between 300 millimeters to 800 millimeters.
9. power head torsion increasing device according to claim 1, which is characterized in that sun wheel shaft upper end and power head output end
It is connected by several axis pins, and axis pin axis direction is vertical with the power head centre of gyration.
10. a kind of rotary drilling rig, including rotary digging host, mast, drilling rod and being fixed on mast and drilling rod can be driven to drill
Power head, which is characterized in that further include the power head described in any one of claim 1- claims 9 claim
Torsion increasing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276720.4U CN208089876U (en) | 2018-02-27 | 2018-02-27 | A kind of rotary drilling rig and its power head torsion increasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276720.4U CN208089876U (en) | 2018-02-27 | 2018-02-27 | A kind of rotary drilling rig and its power head torsion increasing device |
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| Publication Number | Publication Date |
|---|---|
| CN208089876U true CN208089876U (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820276720.4U Active CN208089876U (en) | 2018-02-27 | 2018-02-27 | A kind of rotary drilling rig and its power head torsion increasing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180260A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of rotary drilling rig and its power head torsion increasing device |
-
2018
- 2018-02-27 CN CN201820276720.4U patent/CN208089876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180260A (en) * | 2018-02-27 | 2018-06-19 | 徐州徐工基础工程机械有限公司 | A kind of rotary drilling rig and its power head torsion increasing device |
| CN108180260B (en) * | 2018-02-27 | 2024-03-08 | 徐州徐工基础工程机械有限公司 | Rotary drilling rig and power head torque increasing device thereof |
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