CN204098784U - Drive cylinder and rotary drilling rig - Google Patents
Drive cylinder and rotary drilling rig Download PDFInfo
- Publication number
- CN204098784U CN204098784U CN201420499981.4U CN201420499981U CN204098784U CN 204098784 U CN204098784 U CN 204098784U CN 201420499981 U CN201420499981 U CN 201420499981U CN 204098784 U CN204098784 U CN 204098784U
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- cylinder portion
- torsion pass
- driver slot
- hole
- drive division
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Abstract
The utility model discloses a kind of driving cylinder and rotary drilling rig.Driving cylinder comprises: outer cylindrical portion, middle cylinder portion and inner cylinder portion; Outer cylindrical portion, middle cylinder portion and inner cylinder portion are respectively arranged with torsion pass axle, the first torsion pass hole and the second torsion pass hole; Torsion pass axle is successively through the first torsion pass hole and the second torsion pass hole, and torsion pass axle can rotate in the second torsion pass hole inner circumferential; Middle cylinder portion is provided with driver slot; Driver slot at least comprises outer end and first the inner, and first the inner is less than the distance of outer end to axis to the distance of middle cylinder portion axis; Inner cylinder portion is provided with bushing connection and lock connects drive division; Lock connects driving part in driver slot, and lock connect the position of drive division in driver slot by outer end to the first inner change time, driver slot promotes lock and connects drive division and move to inner cylinder portion axis direction together with bushing connection; Axial limiting mechanism is provided with between middle cylinder portion and inner cylinder portion.This driving cylinder can realize automatic unlocking by rotating drive head and lock, and labour intensity is low and operating efficiency is high.
Description
Technical field
The utility model relates to engineering machinery field, and particularly one drives cylinder and rotary drilling rig.
Background technology
Rotary drilling rig is a kind of construction machinery for pore-forming operation in building foundation engineering, and it is mainly suitable for the construction of the soil layers such as sand, cohesive soil, slity soil, extensive application in the multiple foundation basic constructions such as castinplace pile, diaphragm wall, underpin.In recent years, along with the quickening of engineering construction step, the application that rotary drilling rig is constructed at pile foundation pore-forming is further extensive, and the improvement for rotary drilling rig performance is also more and more subject to people's attention.
In recent years, along with the raising of environmental protection requirement, rotary drilling rig uses full-sleeve construction technology usually.Full-sleeve construction technology soil taking hole forming in sleeve pipe, pollutes little than traditional mud off; Fetch earth few, little to surrounding environment influence; And the scarfing cinder of whole hole is fast, and hole quality is high; This construction technology is made to be developed rapidly and extensive use thus.
To the rotary drilling rig using full-sleeve construction, it needs to be provided with sleeve pipe, but cannot directly be connected with unit head due to existing sleeve pipe, and therefore sleeve pipe is connected to unit head, so that the driving force of unit head and pressure are passed to sleeve pipe by employing driving cylinder usually.Specifically, the unit head of rotary drilling rig connects device by lock and is in transmission connection with driving cylinder upper end, drives cylinder lower end and sleeve pipe to pass through pinned connection.The defect of this kind of mode is to need operative employee, manually connects, and cause efficiency of construction low, labour intensity is large.
Utility model content
In view of this, the utility model proposes a kind of driving cylinder without the need to artificial dismounting sleeve pipe and rotary drilling rig.For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of driving cylinder, comprising: outer cylindrical portion, middle cylinder portion and inner cylinder portion; Wherein, described outer cylindrical portion, middle cylinder portion and inner cylinder portion are respectively arranged with torsion pass axle, the first torsion pass hole and the second torsion pass hole; Described torsion pass axle is successively through described first torsion pass hole and the second torsion pass hole, and described torsion pass axle can rotate in described second torsion pass hole inner circumferential; Described middle cylinder portion is provided with driver slot; Described driver slot at least comprises outer end and first the inner, and described first the inner is less than the distance of outer end to described axis to the distance of middle cylinder portion axis; Described inner cylinder portion is provided with bushing connection, and the lock be connected with described bushing connection connects drive division; Described lock connects driving part in described driver slot, and described lock connect the position of drive division in driver slot by outer end to the first inner change time, described driver slot promotes lock and connects drive division and move to inner cylinder portion axis direction together with bushing connection; Described lock connects the position of drive division in driver slot when being changed outward by first the inner, and described driver slot promotes lock and connects drive division and drive bushing connection to move to deviating from inner cylinder portion axis direction; Axial limiting mechanism is provided with between described middle cylinder portion and inner cylinder portion.
Further, described driver slot also comprises second the inner, and described first the inner and second the inner lay respectively at the both sides of described the inner along inner cylinder portion circumference; Further, described lock connect the position of drive division in driver slot by outer end to the second inner change time, described driver slot promotes described lock and connects drive division drive bushing connection and move to inner cylinder portion axis direction; Described lock connects the position of drive division in driver slot when being changed outward by second the inner, and described driver slot promotes lock and connects drive division and drive bushing connection to move to deviating from inner cylinder portion axis direction.
Further, described driver slot is V-type groove.
Further, described torsion pass axle can move vertically in described first torsion pass hole and the second torsion pass hole; Described second torsion pass hole comprises along described inner cylinder portion the first hole portion circumferentially, and arrange vertically, the second hole portion and the 3rd hole portion that lay respectively at described first circumference two ends, hole portion.
Further, described second torsion pass hole also comprises: the 4th hole portion that be connected with in the middle part of described first hole portion, that arrange vertically.
Further, described middle cylinder portion comprises middle cylinder body, and is arranged at the flange bottom described middle cylinder body; Described first torsion pass hole is arranged at described middle cylinder body, and described driver slot is arranged at described flange.
Further, described axial limiting mechanism comprises: the spacing bearing pin being arranged at described middle cylinder portion, and is arranged at the limited impression of described inner cylinder portion, and described spacing bearing pin is corresponding with described limited impression position.
Further, communicating pipe is provided with bottom described inner cylinder portion; Described bushing connection was arranged in described communicating pipe, and can move radially along inner cylinder portion within described communicating pipe; Be provided with the hole that can move radially along inner cylinder portion for lock even drive division described communicating pipe.
Further, the keyway suitable with the key of sleeve pipe is provided with bottom described inner cylinder portion.
On the other hand, the utility model also provides a kind of rotary drilling rig, is provided with the driving cylinder described in above-mentioned any one.
The driving cylinder that the utility model provides by being positioned at outermost outer cylindrical portion, being positioned at the inner cylinder portion of innermost layer, and between outer cylindrical portion and inner cylinder portion in cylinder portion form.Wherein, outer cylindrical portion is used for being connected with unit head, for transmitting torque and pressure.Inner cylinder portion is used for optionally connecting with cannula lock or unlocking, and namely lock is even that the bushing connection of inner cylinder portion inserts in the connecting hole of sleeve pipe, and the bushing connection of unblock and inner cylinder portion departs from the connecting hole of sleeve pipe.Middle cylinder portion is used for arranging driver slot, because driver slot is obliquely installed, therefore driver slot is when middle cylinder portion and inner cylinder portion relatively rotate, can promote to lock even drive division inwardly or outwards to move, locking drive division thus drives bushing connection also inwardly or outwards to move accordingly, and then realizes driving the automatic locking of cylinder and sleeve pipe connect and unlock.
The operating principle of this driving cylinder is: lock connects driving part when the outer end of driver slot, and bushing connection is positioned at the outside of sleeve pipe connecting hole, drives cylinder and sleeve pipe to be under released state; When needs drive sleeve and inner cylinder portion are locked even, unit head is driven to drive outer cylindrical portion to rotate (clockwise or rotate counterclockwise) towards first direction, the relative inner cylinder portion in middle cylinder portion is made to have relatively rotating of circumference, in rotation process, driver slot promotes to lock even drive division and moves to first the inner by its outer end, lock connects drive division and drives bushing connection to move towards inner cylinder portion axis direction, bushing connection inserts in sleeve pipe connecting hole, realizes automatic locking and connects; When needs drive sleeve and inner cylinder portion are separated, unit head is driven to drive outer cylindrical portion towards rotating in the opposite direction with above-mentioned first party, in rotation process, driver slot promotes to lock even drive division and moves to outer end by its first the inner, lock connects drive division and drives bushing connection to move towards deviating from inner cylinder portion axis direction, extract in bushing connection sleeve pipe connecting hole, realize automatic unlocking.Relative to prior art, the driving cylinder that the utility model provides can realize automatic unlocking by rotating drive head and lock, and without the need to artificial connection, greatly reduces labour intensity, contributes to increasing work efficiency.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The STRUCTURE DECOMPOSITION schematic diagram of the driving cylinder that Fig. 1 provides for the utility model embodiment;
The generalized section of the driving cylinder that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2;
The structural representation of driver slot in the driving barrel structure that Fig. 4 provides for the utility model embodiment;
The structural representation in the second torsion pass hole in the driving barrel structure that Fig. 5 provides for the utility model embodiment;
The driving cylinder that Fig. 6 provides for the utility model embodiment in an initial condition, the displacement relation schematic diagram in torsion pass axle and the first torsion pass hole and the second torsion pass hole;
The driving cylinder that Fig. 7 provides for the utility model embodiment is being locked under company's state, the displacement relation schematic diagram in torsion pass axle and the first torsion pass hole and the second torsion pass hole;
The driving cylinder that Fig. 8 provides for the utility model embodiment upper pull out state under, the displacement relation schematic diagram in torsion pass axle and the first torsion pass hole and the second torsion pass hole.
Description of reference numerals:
1 outer cylindrical portion 11 torsion pass axle
12 connect cylinder portion in otic placode 2
21 middle cylinder body 22 flanges
23 first torsion pass hole 24 driver slots
25 spacing bearing pins 241 first are inner
242 second inner 243 outer ends
3 inner cylinder portion 31 second torsion pass holes
32 bushing connection 33 are locked and are connected drive division
34 limited impression 35 keyways
36 communicating pipe 311 first hole portion
312 second hole portion, portion 313, holes the 3rd
314 the 4th hole portions
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present utility model is described further:
Refer to Fig. 1 to Fig. 2, the figure shows the structure of the driving cylinder that the utility model embodiment provides.This driving cylinder comprises: outer cylindrical portion 1, middle cylinder portion 2 and inner cylinder portion 3; Wherein,
Outer cylindrical portion 1, middle cylinder portion 2 and inner cylinder portion 3 are respectively arranged with torsion pass axle 11, first torsion pass hole 23 and the second torsion pass hole 31; Torsion pass axle 11 is successively through the first torsion pass hole 23 and the second torsion pass hole 31, and torsion pass axle 11 can rotate in the second torsion pass hole 31 inner circumferential.
Middle cylinder portion 2 is provided with driver slot 24 (incorporated by reference to Fig. 4); Driver slot 24 at least comprises outer end 243 and first the inner 241, the inner 241, first and is less than the distance of outer end 243 to axis to the distance of middle cylinder portion 2 axis.
Inner cylinder portion 3 is provided with bushing connection 32, and the lock be connected with bushing connection 32 connects drive division 33.
Lock connects drive division 33 and is positioned at above-mentioned driver slot 24, and lock connect the position of drive division 33 in driver slot 24 by outer end 243 to the first inner 241 change time, driver slot 24 promotes lock and connects drive division 33 and move to inner cylinder portion 3 axis direction together with bushing connection 32; When lock connects the position of drive division 33 in driver slot 24 by 243 change outward of first the inner 241, driver slot 24 promotion lock connects drive division 33 and moves to deviating from inner cylinder portion axis direction together with bushing connection 32;
Axial limiting mechanism is provided with between middle cylinder portion 2 and inner cylinder portion 3.
The driving cylinder that the present embodiment provides is made up of three layers of tubular construction, is respectively: be positioned at outermost outer cylindrical portion 1, be positioned at the inner cylinder portion 3 of innermost layer, and between outer cylindrical portion 1 and inner cylinder portion 3 in cylinder portion 2.Wherein, outer cylindrical portion 1 for being connected with unit head, for transmitting torque and pressure.Inner cylinder portion 3 is for optionally connecting with cannula lock or unlocking, and namely lock is even that the bushing connection 32 of inner cylinder portion 3 inserts in sleeve pipe connecting hole (not shown), and the bushing connection 32 of unblock and inner cylinder portion 3 departs from sleeve pipe connecting hole.Middle cylinder portion 2 is for arranging driver slot 24, because driver slot 24 is obliquely installed, therefore driver slot 24 is when middle cylinder portion 2 and inner cylinder portion 3 relatively rotate, lock can be promoted and connect drive division 33 inwardly (near cylinder axis) or outwards motion (away from cylinder axis), locking drive division 33 thus drives bushing connection 32 also can radially-inwardly or outwards move accordingly, and then realizes driving the automatic locking of cylinder and sleeve pipe connect and unlock.Above-mentioned torsion pass axle 11 is fed through the first torsion pass hole 23 and the second torsion pass hole 31 to realize torsion pass, torsion pass axle 11 can rotate in the second torsion pass hole 31 inner circumferential (torsion pass axle 11 can not rotate in the first torsion pass hole 23 inner circumferential), just in realizing thus, cylinder portion 2 and inner cylinder portion 3 can relatively rotate, and then ensure that in above-mentioned relative rotational motion, driver slot 24 connects the impetus of drive division 33 to lock.
The operating principle of the driving cylinder that the present embodiment provides is as follows: lock connects the outer end 243 that drive division 33 is positioned at driver slot 24, and now bushing connection 32 is positioned at the outside of sleeve pipe connecting hole, drives cylinder and sleeve pipe to be under released state; When needs drive cylinder and cannula lock to connect, unit head is driven to drive outer cylindrical portion 1 to rotate (clockwise or rotate counterclockwise) towards first direction, the relative inner cylinder portion 3 in middle cylinder portion 2 is made to have relatively rotating of circumference, in rotation process, driver slot 24 promotes to lock even drive division 33 and moves to first the inner 241 by its outer end 243, lock connects drive division 33 and drives bushing connection 32 to move towards inner cylinder portion axis direction, bushing connection 32 inserts in sleeve pipe connecting hole, realizes automatic locking and connects; When needs drive cylinder and sleeve pipe to be separated, unit head is driven to drive outer cylindrical portion 1 to rotate in the opposite direction towards with above-mentioned first party, in rotation process, driver slot 24 promotes to lock even drive division 33 and moves to outer end 243 by its first the inner 241, lock connects drive division 33 and drives bushing connection 32 to move towards deviating from inner cylinder portion axis direction, bushing connection 32 is extracted in sleeve pipe connecting hole, realizes automatic unlocking.Therefore, the driving cylinder that the present embodiment provides can realize automatic unlocking by rotational power head and lock, and without the need to artificial connection, greatly reduces labour intensity, contributes to increasing work efficiency.
Refer to Fig. 3, above-mentioned lock connects drive division 33 and bushing connection 32 can be arranged in the following manner:
Be provided with communicating pipe 36 bottom inner cylinder portion 3, bushing connection 32 was arranged in this communicating pipe 36, and can move radially along inner cylinder portion 3 within this communicating pipe 36; Be provided with the hole that can move radially along inner cylinder portion 3 for lock even drive division 33 this communicating pipe 36.Thus, lock even drive division 33 and enter driver slot 24 after stretching out from this hole after being connected with bushing connection 32.Above-mentioned bushing connection 32 can be the first bearing pin, and this first bearing pin is along inner cylinder portion 3 radial arrangement; It can be the second bearing pin that lock connects drive division 33, is connected with bushing connection 32 is vertical.
No matter to rotate forward or reversion can both realize driving the automatic locking of cylinder to connect to make unit head, above-mentioned driver slot 24 also comprises second the inner 242 (referring to Fig. 4), and first inner 241 and second the inner 242 of driver slot 24 lays respectively at the both sides of the inner 243 along inner cylinder portion circumference; Further, lock connect the position of drive division 33 in driver slot 24 by outer end 243 to the second inner 242 change time, driver slot 24 promotes lock and connects drive division 33 and drive bushing connection 32 to move to inner cylinder portion axis; When lock connects the position of drive division 33 in driver slot 24 by 243 change outward of second the inner 242, driver slot 24 promotion lock connects drive division 33 and drives bushing connection 32 to move to deviating from inner cylinder portion axis direction.Especially for the rotary drilling rig of machine locking bar, the lock and unlock of drilling rod needs unit head to drive towards different directions to rotate, and makes thus to drive drilling rod to unlock or in the process of locking at unit head, just achieves and drives the lock of cylinder and sleeve pipe even or unlock.Above-mentioned driver slot 24 can be V-type groove.
Further, rotary drilling rig normally carries out the work of dismantling sleeve pipe again after carrying brill.In order to prevent in the process carrying brill, there is relatively rotating of unlocking direction in middle cylinder portion 2 with inner cylinder portion 3, causing to carry in drill-through journey drives cylinder and sleeve pipe to unlock in advance, sleeve pipe comes off this problem, at the utility model in further preferred embodiment, the second torsion pass hole 31 (Fig. 5) and the first torsion pass hole 23 are set in the following manner:
Torsion pass axle 11 can move vertically in the first torsion pass hole 23 and the second torsion pass hole 31, second torsion pass hole 31 comprises along inner cylinder portion 3 the first hole portion 311 circumferentially, and arrange vertically, the second hole portion 312 and the 3rd hole portion 313 that lay respectively at the first circumferential two ends, hole portion 311.Above-mentioned second hole portion 312 and the 3rd hole portion 313 are for carrying in drill-through journey, and in restriction, cylinder portion 2 and inner cylinder portion 3 relatively rotates.Specifically, when driving cylinder and sleeve pipe connection status, driving shaft 11 is positioned at the end side circumferentially in the first hole portion 311, carry in drill-through journey, unit head is carried, drive in outer cylindrical portion 1 and carry, torsion pass axle 11 also on carry, on carry in process, torsion pass axle 11 is positioned at the top in the first torsion pass hole 23, also be positioned at the second hole portion 312 in the second torsion pass hole 31 or the top in the 3rd hole portion 313 simultaneously, the circumference that second hole portion 312 and the 3rd hole portion 313 limit torsion pass axle 11 is rotated, and then prevent from carrying in drill-through journey, middle cylinder portion 2 and inner cylinder portion 3 relatively rotate, prevent from proposing the unblock driving cylinder and sleeve pipe in drill-through journey.Above-mentioned second hole portion 312 and the 3rd hole portion 313 respectively can with first of driver slot 24 inner 241 and second the inner 242 be corresponding vertically arranges.
Above-mentioned second torsion pass hole 31 also comprises: the 4th hole portion 314 that be connected with in the middle part of the first hole portion 311, that arrange vertically.The effect arranging this first hole portion 311 is: be convenient to unit head is carried on limit, limit dismounting sleeve pipe.Specifically, after carrying brill, make after now pressing down unit head that power is carried in unit head rotation movement angle back to rotate in front, in the process, torsion pass axle 11 is introduced into the first hole portion 311 from the second hole portion 312 or the 3rd hole portion 313, then moves in the middle part of the first hole 311, finally falls into the 4th hole portion 314, now lock connects the outer end 243 that drive division 33 is arranged in driver slot 24 accordingly, namely achieves the disengaging of driving tube and sleeve pipe.Outer end 243 that is preferred and driver slot 24, above-mentioned 4th hole portion 314 is oppositely arranged vertically.4th hole portion 314 preferably seamlessly transits with the first hole portion 311.It will be understood by those skilled in the art that above-mentioned second hole portion 312, the 3rd hole portion 313 and the 4th hole portion 314 all should be positioned at the top in the first hole portion 311.
In the driving barrel structure that above-described embodiment provides, middle cylinder portion 2 can comprise middle cylinder body 21, and is arranged at the flange 22 bottom middle cylinder body 21; First torsion pass hole 23 is arranged at middle cylinder body 21, and driver slot 24 is arranged at flange 22.Axial limiting mechanism between middle cylinder portion 2 and inner cylinder portion 3 does not have axial displacement between cylinder portion 2 and inner cylinder portion 3 in ensureing, and then ensures driver slot 24 and lock even drive division 33 not have relative movement axially.This axial limit structure can comprise: the spacing bearing pin 25 being arranged at middle cylinder portion 2, and the limited impression 34 being arranged at inner cylinder portion 3, and spacing bearing pin 25 is corresponding with limited impression 34 position.
In addition, it will be appreciated by persons skilled in the art that inner cylinder portion 3 and sleeve pipe in the pre-connection, bushing connection 32 and the sleeve pipe connecting hole of inner cylinder portion 3 need to carry out pre-aligned, are positioned to bushing connection 32 corresponding with sleeve pipe connecting hole, can carry out lock company and operate.In order to prevent in drilling process, inner cylinder portion 3 and the sleeve pipe generation relative displacement of having good positioning, be preferably provided with the keyway 35 suitable with the key of sleeve pipe bottom inner cylinder portion 3.The two determines relative position relation by key connection in advance thus.
In above-described embodiment, for the ease of the connection of outer cylindrical portion 1 with unit head, the top of outer cylindrical portion 1 can be provided with and connect otic placode 12.When driving cylinder to install, connection otic placode 12 is connected to unit head.In order to increase torsion pass efficiency, above-mentioned torsion pass axle 11 is preferably square shaft, and square shaft contributes to increasing the contact area in itself and the first torsion pass hole and the second torsion pass hole.
The course of work of the driving cylinder shown in Fig. 1 is as follows:
Original state: after driving the outer cylindrical portion 1 of cylinder to connect unit head, whole driving cylinder is suspended on below drill power head, torsion pass axle 11 is on the top in the first torsion pass hole 23, and the top in the 4th hole portion 314 in the second torsion pass hole 31, lock connects the outer end 243 that drive division 33 is positioned at driver slot 24, and bushing connection 32 is positioned at outside sleeve pipe connecting hole.Cylinder and sleeve pipe is driven to be released state.The state of torsion pass axle 11 in the first torsion pass hole 23 and the second torsion pass hole 31 as shown in Figure 6.
Lock connects state: unit head presses down, torsion pass axle 11 moves to the lower end in the first hole portion 311 in the first torsion pass hole 23 and the second torsion pass hole 31, unit head drives outer cylindrical portion 1 to rotate towards first direction, in drive, cylinder portion 2 rotates relative to inner cylinder portion 3, lock connects first the inner 241 that drive division 33 is pulled to driver slot 24, lock connects drive division 33 and moves in cylinder together with bushing connection 32, and bushing connection 32 inserts sleeve pipe connecting hole, realizes sleeve pipe (not shown) and connects with driving the automatic locking of cylinder.The state of torsion pass axle 11 in the first torsion pass hole 23 and the second torsion pass hole 31 as shown in Figure 7.
On pull out state: connect on the basis of state at above-mentioned lock, on carry unit head, torsion pass axle 11 enters the top in the first torsion pass hole 23, and the top in the 4th hole portion 314 in the second torsion pass hole 31, now inner cylinder portion 3 and sleeve pipe keep locking even state, and torsion pass axle 11 chute can not occur.The state of torsion pass axle 11 in the first torsion pass hole 23 and the second torsion pass hole 31 as shown in Figure 8.
Disengaged position: after above having pulled out, pressing down unit head makes torsion pass axle 11 enter the bottom in the first torsion pass hole 23 and the second torsion pass hole 31, then after rotary power head simultaneously rotate and on carry unit head, torsion pass axle 11 is made to slide into the 4th top, torsion pass hole 314 in the second torsion pass hole 31, at this moment get back to original state, bushing connection 32 and sleeve pipe are separated.
As shown in the above, the driving cylinder that the utility model provides, under the driving of unit head is rotated, can realize connecting with the automatic locking of sleeve pipe and unlocking, save the operation of artificial dismounting, not only reduce labour intensity, also improve efficiency of construction.
The utility model embodiment still provides a kind of rotary drilling rig, and this rotary drilling rig is provided with any one driving cylinder above-mentioned.The outer cylindrical portion 1 of cylinder is driven to be connected with the unit head of rotary drilling rig.This rotary drilling rig can be machine locking bar rotary drilling rig, also can be friction lever rotary drilling rig.
Because any one driving cylinder above-mentioned has above-mentioned technique effect, therefore, the rotary drilling rig being provided with this driving cylinder also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. drive a cylinder, it is characterized in that, comprising: outer cylindrical portion (1), middle cylinder portion (2) and inner cylinder portion (3); Wherein,
Described outer cylindrical portion (1), middle cylinder portion (2) and inner cylinder portion (3) are respectively arranged with torsion pass axle (11), the first torsion pass hole (23) and the second torsion pass hole (31); Described torsion pass axle (11) is successively through described first torsion pass hole (23) and the second torsion pass hole (31), and described torsion pass axle (11) can rotate in described second torsion pass hole (31) inner circumferential;
Described middle cylinder portion (2) is provided with driver slot (24); Described driver slot (24) at least comprises outer end (243) and first the inner (241), and described first the inner (241) is less than the distance of outer end (243) to described axis to the distance of middle cylinder portion (2) axis;
Described inner cylinder portion (3) is provided with bushing connection (32), and the lock be connected with described bushing connection (32) connects drive division (33);
Described lock connects drive division (33) and is positioned at described driver slot (24), and described lock connects drive division (33) position in driver slot (24) when change by outer end (243) to first the inner (241), described driver slot (24) promotes lock company's drive division (33) and moves to inner cylinder portion axis direction together with bushing connection (32); When described lock connects the position of drive division (33) in driver slot (24) by first the inner (241) (243) change outward, described driver slot (24) promotion lock connects drive division (33) and drives bushing connection (32) to move to deviating from inner cylinder portion axis direction;
Axial limiting mechanism is provided with between described middle cylinder portion (2) and inner cylinder portion (3).
2. driving cylinder according to claim 1, it is characterized in that, described driver slot (24) also comprises second the inner (242), and described first the inner (241) and second the inner (242) lay respectively at the both sides of described the inner along inner cylinder portion (3) circumference;
And, when described lock company drive division (33) position in driver slot (24) is changed by outer end (243) to second the inner (242), described driver slot (24) promotes described lock company's drive division (33) and drives bushing connection (32) to move to inner cylinder portion axis direction; When described lock connects the position of drive division (33) in driver slot (24) by second the inner (242) (243) change outward, described driver slot (24) promotion lock connects drive division (33) and drives bushing connection (32) to move to deviating from inner cylinder portion axis direction.
3. driving cylinder according to claim 2, is characterized in that, described driver slot (24) is V-type groove.
4. driving cylinder according to claim 2, is characterized in that, described torsion pass axle (11) can be moved vertically in described first torsion pass hole (23) and the second torsion pass hole (31); Described second torsion pass hole (31) comprises along described inner cylinder portion (3) the first hole portion (311) circumferentially, and arrange vertically, the second hole portion (312) and the 3rd hole portion (313) that lay respectively at described first hole portion (311) circumferential two ends.
5. driving cylinder according to claim 4, is characterized in that, described second torsion pass hole (31) also comprises: the 4th hole portion (314) that be connected with described first middle part, hole portion (311), that arrange vertically.
6. the driving cylinder according to claim 1 to 5 any one, is characterized in that, described middle cylinder portion (2) comprises middle cylinder body (21), and is arranged at the flange (22) of described middle cylinder body (21) bottom; Described first torsion pass hole (23) is arranged at described middle cylinder body (21), and described driver slot (24) is arranged at described flange (22).
7. the driving cylinder according to claim 1 to 5 any one, it is characterized in that, described axial limiting mechanism comprises: the spacing bearing pin (25) being arranged at described middle cylinder portion (2), and being arranged at the limited impression (34) of described inner cylinder portion (3), described spacing bearing pin (25) is corresponding with described limited impression (34) position.
8. the driving cylinder according to claim 1 to 5 any one, is characterized in that, described inner cylinder portion (3) bottom is provided with communicating pipe (36); Described bushing connection (32) was arranged in described communicating pipe (36), and can move radially along inner cylinder portion (3) within described communicating pipe (36); Be provided with the hole that can move radially along inner cylinder portion for lock even drive division (33) described communicating pipe (36).
9. the driving cylinder according to claim 1 to 5 any one, is characterized in that, described inner cylinder portion (3) bottom is provided with the keyway (35) suitable with the key of sleeve pipe.
10. a rotary drilling rig, is characterized in that, is provided with the driving cylinder described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499981.4U CN204098784U (en) | 2014-09-01 | 2014-09-01 | Drive cylinder and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420499981.4U CN204098784U (en) | 2014-09-01 | 2014-09-01 | Drive cylinder and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204098784U true CN204098784U (en) | 2015-01-14 |
Family
ID=52267221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420499981.4U Expired - Fee Related CN204098784U (en) | 2014-09-01 | 2014-09-01 | Drive cylinder and rotary drilling rig |
Country Status (1)
| Country | Link |
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| CN (1) | CN204098784U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213837A (en) * | 2014-09-01 | 2014-12-17 | 北京市三一重机有限公司 | Drive barrel and rotary drilling rig |
| CN105041216A (en) * | 2015-08-19 | 2015-11-11 | 上海中联重科桩工机械有限公司 | Rotary drilling rig on which protective casing can be installed |
| WO2016179774A1 (en) * | 2015-05-11 | 2016-11-17 | 徐州徐工基础工程机械有限公司 | Power head of rotary drilling rig and rotary drilling rig |
-
2014
- 2014-09-01 CN CN201420499981.4U patent/CN204098784U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213837A (en) * | 2014-09-01 | 2014-12-17 | 北京市三一重机有限公司 | Drive barrel and rotary drilling rig |
| WO2016179774A1 (en) * | 2015-05-11 | 2016-11-17 | 徐州徐工基础工程机械有限公司 | Power head of rotary drilling rig and rotary drilling rig |
| CN105041216A (en) * | 2015-08-19 | 2015-11-11 | 上海中联重科桩工机械有限公司 | Rotary drilling rig on which protective casing can be installed |
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