CN106285629B - Cased well tractor crawling device - Google Patents
Cased well tractor crawling device Download PDFInfo
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- CN106285629B CN106285629B CN201610841519.1A CN201610841519A CN106285629B CN 106285629 B CN106285629 B CN 106285629B CN 201610841519 A CN201610841519 A CN 201610841519A CN 106285629 B CN106285629 B CN 106285629B
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- 230000009193 crawling Effects 0.000 title claims abstract description 135
- 230000005540 biological transmission Effects 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 210000004907 gland Anatomy 0.000 claims description 71
- 230000004308 accommodation Effects 0.000 claims description 10
- 230000008450 motivation Effects 0.000 claims description 2
- 239000003129 oil well Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/14—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of cased well tractor crawling devices, for creeping in casing, it include: geared sleeve component comprising drive bevel gear, the first driven wheel of differential for being engaged in drive bevel gear side and the second driven wheel of differential for being engaged in the drive bevel gear other side；The driving arm component being connected with geared sleeve component, driving arm component includes the first transmission mechanism, the second transmission mechanism, the first crawling device and the second crawling device, first transmission mechanism connects the first driven wheel of differential and the first crawling device, second transmission mechanism connects the second driven wheel of differential and the second crawling device, first crawling device and the second crawling device are oppositely arranged, the revolving speed of first crawling device and the second crawling device is identical, turns on the contrary, the first crawling device and the second crawling device are used to firmly grasp or unclamp with internal surface of sleeve pipe；The strut component being connected with driving arm component, strut component slide axially along casing, drive the first crawling device and the second crawling device relative misalignment or close up.
Description
Technical field
The present invention relates to horizontal wellbore logging Instrument technology fields, and in particular to a kind of cased well tractor crawling device.
Background technique
With the rapid development of horizontal well drilling technology, horizontal well completion quantity is sharply increased, in recent years national shale gas
Large-scale development further pushed the development of horizontal well technology, logger or downhole tool are in shale gas horizontal well
Conveying becomes a technical problem in the urgent need to address in oil reservoir logging field.
Cased well tractor is as a kind of novel logger means of delivery, compared with conventional conveying technology, it
Overcome wellbore be bent make logger be difficult to transfer difficulty, and greatly improve well logging quality and well logging it is reliable
Property, therefore the research and development of cased well tractor have wide practical use.Wherein, crawling device is as cased well tractor
A particularly important link, it is the power resources that down-hole casing middle sleeve well tractor is moved forward and backward, its property
The quality of energy directly influences the performance of cased well tractor.
The crawling device of cased well tractor has the following problems at present:
1, it since cased well tractor works under rugged environment in horizontal well for a long time, and in the prior art climbs
The high temperature high voltage resistant performance that luggage is set is bad, and can not bear the long-term corrosion of underground strong corrosive mud；
2, the underground work having needs to convey very heavy very long logging instrument or downhole tool such as perforating gun, underground work
The cable of dragging, and the feelings such as that there are the horizontal segment internal surface of sleeve pipe of oil well is very dirty, oil well mud is too thick, oil well casing deformation
Condition, as means of delivery, the load of cased well tractor is very big, and crawling device often can not provide enough driving forces；
When oil well horizontal section hole deviation is especially as large as more than 105 °, crawling device can not provide enough driving forces, and transmission system
Transmission efficiency is not also high；
3, the especially long distance of creeping of the oil well horizontal section having is more than 2000 meters, and sometimes for repeatedly creeping back and forth, and
The reliability of crawling device is not high, wearability is also bad, can not be applicable in requirement of repeatedly back and forth creeping over long distances；
4, the smaller space that cased well tractor is worked in horizontal well space is also limited, and crawling device in the prior art
Volume it is larger, restricted application.
Summary of the invention
In view of the deficiencies in the prior art, it creeps dress the purpose of the present invention is to provide a kind of cased well tractor
It sets, can adapt to the adverse circumstances of underground work, have the advantages that structure is simple, small in size, power of creeping is strong and efficient stable.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of cased well tractor crawling device, for creeping in casing characterized by comprising
Geared sleeve component comprising drive bevel gear is engaged in the first driven wheel of differential of drive bevel gear side and nibbles
Together in the second driven wheel of differential of the drive bevel gear other side；
The driving arm component being connected with the geared sleeve component, the driving arm component include the first transmission mechanism, second
Transmission mechanism, the first crawling device and the second crawling device, first transmission mechanism connect first driven wheel of differential and
First crawling device, second transmission mechanism connect second driven wheel of differential and second crawling device, and described the
One crawling device and the second crawling device are oppositely arranged, and the revolving speed of first crawling device and the second crawling device is identical, turns
To on the contrary, first crawling device and the second crawling device are used to firmly grasp or unclamp with internal surface of sleeve pipe；
The strut component being connected with the driving arm component, driving device are continuously applied external force to the strut component, drive
Move first crawling device and the second crawling device relative misalignment.
Based on the above technical solution, the driving arm component includes the first arm gland and the second arm gland, described
First arm gland and the second arm gland along described sleeve pipe axis direction it is opposite be arranged in parallel, and the strut component respectively with institute
It states the first arm gland and the second arm gland is hinged, the strut component slides axially along casing, to drive the first arm pressure
Lid and the relative movement of the second arm gland are staggered or close up；
First driven wheel of differential and the first arm gland are transferred, and the first transmission mechanism and the first arm gland are solid
Fixed connection, second driven wheel of differential and the second arm gland are transferred, and the second transmission mechanism and the second arm gland are solid
Fixed connection.
Based on the above technical solution, the strut component include push rod, the strut that is connected with the push rod, it is described
Strut is hinged with two connecting rods far from one end of the push rod, and the strut is in along described sleeve pipe axis direction with two connecting rods
Y-type layout, wherein a connecting rod connects the first arm gland, another connecting rod connects the second arm gland.
Based on the above technical solution, the first arm gland, which is equipped with, accommodates first driven wheel of differential and described
The accommodation space of first transmission mechanism, the second arm gland, which is equipped with, accommodates second driven wheel of differential and second driver
The accommodation space of structure, and a center protrusion is equipped at the middle part relative position of the first arm gland and the second arm gland；
The center protrusion is equipped with the pin hole hinged with the connecting rod close to edge, and two center protrusions is described
Pin hole is located at both sides of the edge.
Based on the above technical solution, geared sleeve component further includes geared sleeve, vertical pivot and horizontal axis, the geared sleeve set
On the vertical pivot, the axis of the vertical pivot and the axis of described sleeve pipe are parallel, and described in the output end connection of the vertical pivot
Drive bevel gear；
The horizontal axis is vertically arranged with the vertical pivot, and first driven wheel of differential and second driven wheel of differential are symmetrical
The vertical pivot is installed at two close end.
Based on the above technical solution, which further includes the driving device being connected with the strut component, described
Driving device can be continuously applied external force to the strut component.
Based on the above technical solution, first transmission mechanism includes the first roller gear of engagement, the first biography
Moving gear, first roller gear are engaged with first driven wheel of differential, and first transmission gear is climbed with described first
Luggage, which is set, to be fixedly connected；
Second transmission mechanism includes the second roller gear of engagement, the second transmission gear, second roller gear
It is engaged with second driven wheel of differential, second transmission gear is fixedly connected with second crawling device；
First roller gear is opposite with second roller gear to be arranged in parallel, first transmission gear with it is described
Second transmission gear is opposite to be arranged in parallel.
Based on the above technical solution, first crawling device includes the first crawling gears, and described first creeps
Gear and the first transmission mechanism are fixedly connected；
Second crawling device includes the second crawling gears, second crawling gears and the fixed company of second transmission mechanism
It connects；
First crawling gears are opposite with the second crawling gears to be arranged in parallel, and first crawling gears are climbed with second
The steering of row gear is opposite.
Based on the above technical solution, first transmission mechanism includes the first roller gear of engagement, the first biography
Moving gear, first roller gear are engaged with first driven wheel of differential, and first transmission gear is climbed with described first
Row gear is affixed；
Second transmission mechanism includes the second roller gear of engagement, the second transmission gear, second roller gear
It is engaged with second driven wheel of differential, second crawling gears and second transmission gear are affixed.
Based on the above technical solution, it is set on first transmission gear and the joint face of first crawling gears
Be equipped with groove, the joint face of first crawling gears and first transmission gear is equipped with protrusion, the groove with it is described
Protrusion matching.
Compared with the prior art, the advantages of the present invention are as follows:
(1) a kind of cased well tractor crawling device of the invention, it is interior in a limited space, it is very high using reliability
Gear is driven, and replaces the chain drive of the prior art, so that it transmits torque big, high reliablity, and substantially reduce rotation
Frictional force improves transmission efficiency.
(2) a kind of cased well tractor crawling device of the invention, since situation is extremely complex under cased well, such as casing
Deformation, internal surface of sleeve pipe contain cement block etc. so that the conventional distracted driving arm component in crawling device both sides in underground work by
Power is uneven, and causing to creep, even there was a mechanical failure for efficiency decline, and strut component of the invention is opposite to be strutted and state first and creep dress
Set with the second crawling device, the consistent stress of distracted angle is equal, so that reliability of its walking is higher.
(3) a kind of cased well tractor crawling device of the invention, cased well tractor can install more sets as needed
Crawling device between multiple cased well tractor crawling devices is mutually solely in the present invention compared with conventional cannula well tractor
It is vertical, thus two of each group crawling device distracted sizes of driving arm component be also it is independent, it is with casing inner diameter around
Size and change so that its adaptive casing inner diameter, obstacle climbing ability is strong.
(4) a kind of cased well tractor crawling device of the invention, the present invention in strut the external force such as hydraulic coupling effect
Lower to strut driving arm component, compared with prior art, external force is the power being continuously applied, and finally transfers force to crawling wheel,
So that it is walked along internal surface of sleeve pipe, arm component will be driven to strut the external force on certain size rear pole compared to conventional crawling device
It disappears, only makes its crawling wheel clamp sleeve inner wall by the strength of reset spring.Crawling device of the invention is creeped more when working
Steadily, and the normal pressure of clamp sleeve inner wall is easier to control, and strength of creeping is big, and obstacle climbing ability is strong.
Detailed description of the invention
Fig. 1 is the main view of the embodiment of the present invention；
Fig. 2 is the top view of the embodiment of the present invention；
Fig. 3 is the axis side explosive view of the embodiment of the present invention；
Fig. 4 is the usage state diagram of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of transmission gear in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of crawling gears in the embodiment of the present invention；
Fig. 7 is the driving principle figure of the embodiment of the present invention；
Fig. 8 struts schematic diagram for the embodiment of the present invention.
In figure: 1- geared sleeve component, 10- drive bevel gear, 11- screwed ring, the first driven wheel of differential of 12a-, 12b- second
Driven wheel of differential, 13- geared sleeve, 14- vertical pivot, 15- horizontal axis, 2- drive arm component, the first transmission mechanism of 20a-, and 20b- second is passed
Motivation structure, the first crawling device of 21a-, the second crawling device of 21b-, 22a- first gear axis, 22b- second gear axis, 23a-
One arm gland, 23b- the second arm gland, 231- accommodation space, 232- center protrusion, 233- pin hole, the first roller gear of 24a-,
The second roller gear of 24b-, the first transmission gear of 25a-, the second transmission gear of 25b-, 251- groove, the first crawling gears of 26a-,
261- protrusion, the second crawling gears of 26b-, 3- strut component, 30- push rod, 31- strut, 32- connecting rod, 4- needle bearing, the angle 5-
Contact ball bearing, 6- casing, 7- motor, 8- retarder, 9- spring.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to shown in Fig. 1 to Fig. 8, the embodiment of the present invention provides a kind of cased well tractor crawling device, in casing 6
Inside creep, comprising:
Geared sleeve component 1 comprising drive bevel gear 10, geared sleeve 13, vertical pivot 14, horizontal axis 15, the first driven wheel of differential
12a and the second driven wheel of differential 12b, geared sleeve 13 are sheathed on vertical pivot 14, are provided with corner connection between vertical pivot 14 and geared sleeve 13
Ball bearing 5 is touched, the axis of vertical pivot 14 is parallel with the axis of casing 6, and the input terminal of vertical pivot 14 connects motor 7, vertical pivot through retarder 8
14 output end connects drive bevel gear 10, and vertical pivot 14 is equipped with a pair of of size screwed ring 11 far from the tail end of drive bevel gear 10.
Horizontal axis 15 is vertically arranged with vertical pivot 14, and the first driven wheel of differential 12a and the second driven wheel of differential 12b are symmetrically arranged on
Vertical pivot 14 is at two close end, and the first driven wheel of differential 12a and the second driven wheel of differential 12b are relatively independent, drive bevel gear 10
Two sides are engaged with the first driven wheel of differential 12a and the second driven wheel of differential 12b respectively, and the first driven wheel of differential 12a and second
The steering of driven wheel of differential 12b is opposite；
It is provided with angular contact ball bearing between first driven wheel of differential 12a and the second driven wheel of differential 12b and horizontal axis 15,
The inner ring of first driven wheel of differential 12a and the second driven wheel of differential 12b are provided with a thrust step, the two sides point of thrust step
Angular contact ball bearing is not supported.
Drive arm component 2 comprising the first arm gland 23a and the second arm gland 23b, the first arm gland 23a and the second arm
Gland 23b is arranged in parallel relatively along the axis direction of casing 6, and the first arm gland 23a is equipped with accommodation space 231, the second arm gland
23b is equipped with accommodation space 231, and is equipped in one at the middle part relative position of the first arm gland 23a and the second arm gland 23b
Between protrusion 232, center protrusion 232 is equipped with the pin hole 233 hinged with connecting rod 32, and the pin of two center protrusions 232 close to edge
Hole 233 is located at both sides of the edge.First arm gland 23a and the second arm gland 23b are located at the first driven wheel of differential 12a
With the side of the second driven wheel of differential 12b, and the both ends end of horizontal axis 15 be equipped with end nut, the first arm gland 23a and second
Arm gland 23b is rotated rotating around end nut.
Further include the first transmission mechanism 20a and the second transmission mechanism 20b, the first transmission mechanism 20a include engagement first
Roller gear 24a and the first transmission gear 25a, with the first roller gear 24a first gear axis 22a being connected and the first arm gland
23a is fixedly connected, and is connected between the first roller gear 24a and first gear axis 22a by deep groove ball bearing, the first roller gear
24a is engaged with the first driven wheel of differential 12a, and the first roller gear 24a and the first driven wheel of differential 12a are located at the first arm gland
In the accommodation space 231 of 23a, the first transmission gear 25a is empty by the receiving that angular contact ball bearing is mounted on the first arm gland 23a
Between in 231, the first transmission gear 25a is fixedly connected with the first crawling device 21a；Second transmission mechanism 20b includes the of engagement
Two roller gear 24b and the second transmission gear 25b, with the second roller gear 24b second gear axis 22b being connected and the second arm pressure
It covers 23b to be connected, be connected between the second roller gear 24b and second gear axis 22b by deep groove ball bearing, the second roller gear
24b is engaged with the second driven wheel of differential 12b, and the second roller gear 24b and the second driven wheel of differential 12b are located at the second arm gland
In 23b accommodation space 231, the second transmission gear 25b is mounted on the accommodation space of the second arm gland 23b by angular contact ball bearing
In 231, the second transmission gear 25b is fixedly connected with the second crawling device 21b；Wherein the first roller gear 24a and the second cylinder
The installation site of gear 24b is oppositely arranged, and the installation site of the first transmission gear 25a and the second transmission gear 25b are oppositely arranged.
In the present embodiment the first transmission mechanism 20a and the second transmission mechanism 20b be individually enclosed in the first arm gland 23a and
In the accommodation space 231 of second arm gland 23b, the first transmission mechanism 20a and the second transmission mechanism 20b not with the corruption in casing 6
Corrosion mud directly contacts, and can adapt to severe working environment, has preferable high temperature resistant, high pressure resistant and corrosion resistant property
Energy.First gear axis 22a and the position of second gear axis 22b are oppositely arranged in the transmittance process of power, the first roller gear 24a
It is oppositely arranged with the installation site of the second roller gear 24b, the installation position of the first transmission gear 25a and the second transmission gear 25b
It sets to be oppositely arranged and guarantees to have passed through the in the same size of two-way transmission power, so that its reliability is higher, and pass through tooth in the present embodiment
Wheel set replaces traditional chain conveyer, so that its transmitting torque is big, further increases operational reliability height.
It further include the first crawling device 21a and the second crawling device 21b, the first crawling device 21a includes first creeping tooth
26a is taken turns, the first crawling gears 26a is fixedly and coaxially connected with the first transmission gear 25a, the first crawling gears 26a and the first arm pressure
A needle bearing 4 is set between lid 23a, reduces the rotation friction of the first crawling gears 26a；Second crawling device 21b includes
Second crawling gears 26b, the second crawling gears 26b are fixedly and coaxially connected with the second transmission gear 25b, the second crawling gears 26b
One needle bearing 4 is set between the second arm gland 23b, reduces the rotation friction of the second crawling gears 26b；First creeps tooth
26a is opposite with the second crawling gears 26b is arranged in parallel for wheel, and the steering phase of the first crawling gears 26a and the second crawling gears 26b
Instead；Cross groove 251, the first crawling gears are provided on the joint face of first transmission gear 25a and the first crawling gears 26a
The joint face of 26a and the first transmission gear 25a are equipped with cross protrusion 261, and groove 251 matches locking with protrusion 261.
The strut 31 that strut component 3 includes push rod 30, is connected with push rod 30, strut 31 are equipped with U far from one end of push rod 30
Type connecting pin is equipped with two connecting holes on the connecting pin side by side, and connecting pin has been respectively articulated with two connecting rods 32, and strut by connecting hole
31 and two connecting rod 32 along 6 axis direction of casing be in Y-type layout, wherein a connecting rod 32 passes through the first arm gland 23a of pin shaft connection
Pin hole 233, another connecting rod 32 connect the pin hole 233 of the second arm gland 23b by pin shaft, and the one end of push rod 30 far from strut 31 is logical
It crosses spring 9 and connects driving device, driving device can be continuously applied external force to push rod 30, so that push rod 30 is sliding along the axial direction of casing 6
It is dynamic, so that driving the first arm gland 23a and the second arm gland 23b is fulcrum rotation relative misalignment with horizontal axis 15 or closes up, first
Arm gland 23a and the second arm gland 23b drives the first crawling gears 26a and the second crawling gears 26b relative misalignment or closes up.
Referring to Fig. 7, the output end of motor 7 connects the vertical pivot 14 of drive bevel gear 10 through retarder 8, drives drive bevel gear
10 rotations, drive bevel gear 10 engage with the first driven wheel of differential 12a and the second driven wheel of differential 12b respectively, and then drive the
One driven wheel of differential 12a and the second driven wheel of differential 12b rotation, and the first driven wheel of differential 12a and the second driven wheel of differential 12b
Steering on the contrary, wherein the first driven wheel of differential 12a is engaged with the first roller gear 24a, the first roller gear 24a and first is passed
Moving gear 25a engagement, so that the driving force of motor 7 is all the way through the first driven wheel of differential 12a, the first roller gear 24a and first
Transmission gear 25a is handed on to the first crawling gears 26a being connected with the first transmission gear 25a, drives the first crawling gears
26a rotation；Wherein the second driven wheel of differential 12b is engaged with the second roller gear 24b, the transmission of the second roller gear 24b and second
Gear 25b engagement, so that two tunnel the second driven wheel of differential 12b of driving force, the second roller gear 24b of motor 7 and second are passed
Moving gear 25b is handed on to the second crawling gears 26b being connected with the second transmission gear 25b, drives the second crawling gears 26b
Rotation, the first crawling gears 26a and the second crawling gears 26b are by the identical driving force of size, so that the first crawling gears 26a
It is identical as the revolving speed of the second crawling gears 26b, it turns to opposite.
Shown in Figure 8, driving device persistently pushes push rod 30 through spring 9, and driving device applies external force compressed spring 9,
And the sliding axially along casing 6 of driving push rod 30, push rod 30 push coupled strut 31, strut 31 far from push rod 30 one
Hinged two connecting rod 32 is held, external force is divided into two-way with the active force relative misalignment of strut 31 by two connecting rods 32, wherein 32 band of a connecting rod
The first coupled arm gland 23a is moved, another connecting rod 32 drives the second coupled arm gland 23b, thus driving first
Arm gland 23a and the second arm gland 23b relative misalignment, so that being individually fixed on the first arm gland 23a and the second arm gland 23b
The inner wall of the first crawling gears 26a and the second crawling gears 26b relative misalignment and casing 6 firmly grasp, realize the first crawling gears
The inner wall locking of 26a and the second crawling gears 26b facing sleeve 6 are creeped.After the external force that driving device applies disappears, compress
Spring 9 reversed the sliding axially along casing 6 of elastic restoring force driving push rod 30, two connecting rods 32 with strut 31 active force phase
To closing up, drive the first arm gland 23a and the second arm gland 23b is opposite to close up, so that the first crawling gears 26a creeps with second
Gear 26b is opposite to be closed up and the release of the inner wall of casing 6.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of cased well tractor crawling device, for creeping in casing (6) characterized by comprising
Geared sleeve component (1) comprising drive bevel gear (10) is engaged in the first of drive bevel gear (10) side from mantle tooth
Wheel (12a) and the second driven wheel of differential (12b) for being engaged in drive bevel gear (10) other side；
The driving arm component (2) being connected with the geared sleeve component (1), the driving arm component (2) include the first transmission mechanism
(20a), the second transmission mechanism (20b), the first crawling device (21a) and the second crawling device (21b), first transmission mechanism
(20a) connects first driven wheel of differential (12a) and the first crawling device (21a), the second transmission mechanism (20b) connection
Second driven wheel of differential (12b) and second crawling device (21b), first crawling device (21a) and second are climbed
Luggage is set (21b) and is oppositely arranged, and first crawling device (21a) is identical with the revolving speed of the second crawling device (21b), turns to phase
Instead, first crawling device (21a) and the second crawling device (21b) are used to firmly grasp or unclamp with casing (6) inner wall；
First transmission mechanism (20a) includes the first roller gear (24a) of engagement, the first transmission gear (25a), and described the
One roller gear (24a) is engaged with first driven wheel of differential (12a), first transmission gear (25a) and described first
Crawling device (21a) is fixedly connected；
Second transmission mechanism (20b) includes the second roller gear (24b) of engagement, the second transmission gear (25b), and described the
Two roller gears (24b) are engaged with second driven wheel of differential (12b), second transmission gear (25b) and described second
Crawling device (21b) is fixedly connected；
First roller gear (24a) is opposite with second roller gear (24b) to be arranged in parallel, first transmission gear
(25a) is opposite with second transmission gear (25b) to be arranged in parallel；
The strut component (3) being connected with driving arm component (2), the strut component (3) slide axially along casing (6), drive
It moves first crawling device (21a) and the second crawling device (21b) relative misalignment or closes up；
The strut component (3) includes push rod (30), the strut (31) being connected with the push rod (30), and the strut (31) is separate
One end of the push rod (30) is hinged with two connecting rods (32), and the strut (31) and two connecting rods (32) are along described sleeve pipe
(6) axis direction is in Y-type layout；
The driving arm component (2) includes the first arm gland (23a) and the second arm gland (23b), wherein a connecting rod (32)
The first arm gland (23a) is connected, another connecting rod (32) connects the second arm gland (23b).
2. a kind of cased well tractor crawling device as described in claim 1, it is characterised in that: the first arm gland
(23a) and the second arm gland (23b) are arranged in parallel relatively along the axis direction of described sleeve pipe (6), and the strut component (3) point
Not hingedly with the first arm gland (23a) and the second arm gland (23b), the strut component (3) is axially sliding along casing (6)
It is dynamic, it is staggered or closes up so that the first arm gland (23a) and the second arm gland (23b) be driven to relatively move；
First driven wheel of differential (12a) and the first arm gland (23a) are transferred, the first transmission mechanism (20a) with it is described
First arm gland (23a) is fixedly connected, and second driven wheel of differential (12b) and the second arm gland (23b) are transferred, and second
Transmission mechanism (20b) is fixedly connected with the second arm gland (23b).
3. a kind of cased well tractor crawling device as described in claim 1, it is characterised in that: the first arm gland
(23a) is equipped with the accommodation space (231) for accommodating first driven wheel of differential (12a) and first transmission mechanism (20a), the
Two arm glands (23b) are equipped with the receiving sky for accommodating second driven wheel of differential (12b) and second transmission mechanism (20b)
Between (231), and be equipped at the middle part relative position of the first arm gland (23a) and the second arm gland (23b) among one prominent
It rises (232)；
The center protrusion (232) is equipped with the pin hole (233) hinged with the connecting rod (32), and two centres close to edge
The pin hole (233) of protrusion (232) is located at both sides of the edge.
4. a kind of cased well tractor crawling device as described in claim 1, it is characterised in that: geared sleeve component (1) also wraps
Geared sleeve (13), vertical pivot (14) and horizontal axis (15) are included, the geared sleeve (13) is sheathed on the vertical pivot (14), the vertical pivot
(14) axis is parallel with the axis of described sleeve pipe, and the output end of the vertical pivot (14) connects the drive bevel gear (10)；
The horizontal axis (15) is vertically arranged with the vertical pivot (14), first driven wheel of differential (12a) and described second driven
Bevel gear (12b) is symmetrically arranged on the vertical pivot (14) at two close end.
5. a kind of cased well tractor crawling device as described in claim 1, it is characterised in that: the device further include with it is described
The connected driving device of strut component (3), driving device are continuously applied external force, driving described first to the strut component (3)
Crawling device (21a) and the second crawling device (21b) relative misalignment.
6. a kind of cased well tractor crawling device as described in claim 1, it is characterised in that: first crawling device
(21a) includes the first crawling gears (26a), and first crawling gears (26a) are fixedly connected with the first transmission mechanism (20a)；
Second crawling device (21b) includes the second crawling gears (26b), and second crawling gears (26b) and described second pass
Motivation structure (20b) is fixedly connected；
First crawling gears (26a) are opposite with the second crawling gears (26b) to be arranged in parallel, and first crawling gears
(26a) is opposite with the steering of the second crawling gears (26b).
7. a kind of cased well tractor crawling device as claimed in claim 6, it is characterised in that: second crawling gears
(26b) and second transmission gear (25b) are affixed.
8. a kind of cased well tractor crawling device as claimed in claim 6, it is characterised in that: first transmission gear
Be arranged fluted (251) on the joint face of (25a) and first crawling gears (26a), first crawling gears (26a) with
The joint face of first transmission gear (25a) is equipped with protrusion (261), the groove (251) and the protrusion (261)
Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841519.1A CN106285629B (en) | 2016-09-22 | 2016-09-22 | Cased well tractor crawling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610841519.1A CN106285629B (en) | 2016-09-22 | 2016-09-22 | Cased well tractor crawling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106285629A CN106285629A (en) | 2017-01-04 |
| CN106285629B true CN106285629B (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610841519.1A Active CN106285629B (en) | 2016-09-22 | 2016-09-22 | Cased well tractor crawling device |
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| Country | Link |
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| CN (1) | CN106285629B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894503B (en) * | 2020-08-31 | 2021-05-14 | 西华大学 | Shale gas drilling type coring crawling mechanism |
| CN113216746B (en) * | 2021-05-07 | 2022-03-18 | 中山市基信锁芯有限公司 | Protective shell for intelligent electronic lock |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202249866U (en) * | 2011-04-20 | 2012-05-30 | 中国石油大学(北京) | Underground differential-speed cable traction device |
| CN202733328U (en) * | 2012-04-26 | 2013-02-13 | 北京华瑞九州能源科技有限公司 | Horizontal underground wheel type self-adaption pipeline crawl device |
| CN104060960A (en) * | 2014-06-25 | 2014-09-24 | 中国石油大学(北京) | Self-straightening type underground drawing device |
| CN204627481U (en) * | 2015-03-17 | 2015-09-09 | 中国石油天然气股份有限公司 | The formula that is flexible coupling downhole instrument tractor |
| CN105003791B (en) * | 2015-06-16 | 2017-06-23 | 北京石油化工学院 | A kind of support wheel type pipe robot drive device |
| CN105952403B (en) * | 2016-06-27 | 2018-10-02 | 清华大学 | Oil well cable tractor |
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2016
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Address after: 430000 No. 450, Zhongshan Road, Wuchang, Wuhan, Hubei Patentee after: WUHAN HAIWANG ELECTROMECHANICAL ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 430064 No. 450, Wuchang, Wuhan District, Hubei, Zhongshan Road Patentee before: WUHAN HAIWANG MECHANICAL & ELECTRICAL ENGINEERING TECHNOLOGY Co.,Ltd. |