CN107756003B - A kind of pipe lining draw-off gear - Google Patents
A kind of pipe lining draw-off gear Download PDFInfo
- Publication number
- CN107756003B CN107756003B CN201610709862.0A CN201610709862A CN107756003B CN 107756003 B CN107756003 B CN 107756003B CN 201610709862 A CN201610709862 A CN 201610709862A CN 107756003 B CN107756003 B CN 107756003B
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- transmission shaft
- main body
- arrying main
- rotary table
- extensible member
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/022—Extracting or inserting relatively long parts
- B23P19/024—Extracting or inserting relatively long parts tube bundles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/025—For detaching only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of pipe lining draw-off gears, belong to petroleum works technical field.Pipe lining draw-off gear includes: arrying main body, driving assembly, first telescopic component and jaw components, driving assembly is arranged in arrying main body, first telescopic component includes transmission shaft and the first extensible member, first extensible member is mounted in arrying main body, transmission shaft is slideably inserted into arrying main body, and one end of transmission shaft is fixedly connected with the telescopic end of the first extensible member, jaw components include mandrel, rotary table, slips and stop collar, the other end of transmission shaft passes through arrying main body and is fixedly connected with one end of mandrel, the other end of mandrel is slideably inserted into one end of rotary table, slips is slidably mounted on rotary table, one end of stop collar is fixedly connected with one end of transmission shaft, one end of slips is equipped with sliding block, the other end of stop collar is equipped with sliding slot, sliding block is connected in sliding slot and glide direction of the sliding block in sliding slot and transmission shaft hang down Directly.The invention avoids the wastes of oil pipe.
Description
Technical field
The invention belongs to petroleum works technical field, in particular to a kind of pipe lining draw-off gear.
Background technique
In order to improve the corrosion resistance of oil pipe, usually add on the internal perisporium of oil pipe using high density polyethylene (HDPE)
(HDPE) or liner made of ultra-high molecular weight polyethylene (UHMWPE).
The manufacturing process of existing frequently-used combination liner and oil pipe are as follows: first the liner being inserted into oil pipe is heated and softened,
Then the both ends of liner are cooled and shaped by overturning process again, finally reach the mesh by liner together with oil pipe fixed bonding
's.
As oil pipe is in the growth of underground work time, be fixed on liner in oil pipe will gradually corrosion and ageing, at this time
Just need replacing new liner.However, due to when combining liner and oil pipe, in order to guarantee that liner will not fall off out of oil pipe,
So would generally by liner in conjunction with oil pipe closely, cause liner extremely difficult by manually pulling out out of oil pipe, therefore logical
It can often select to replace entire oil pipe, and replaced oil pipe can only then do and scrap processing, cause very big waste.
Summary of the invention
In order to solve the problems, such as that liner is extremely difficult by manually pulling out out of oil pipe, the embodiment of the invention provides a kind of pipelines
Liner draw-off gear.The technical solution is as follows:
The embodiment of the invention provides a kind of pipe lining draw-off gear, the pipe lining draw-off gear includes: carrying
Main body, driving assembly, the first telescopic component and jaw components,
The driving component is arranged in the arrying main body, and the driving component is for driving the arrying main body to transport
It is dynamic,
First telescopic component is arranged in one end of the arrying main body, first telescopic component include transmission shaft and
At least one first extensible member, first extensible member are fixedly mounted in the arrying main body, and the transmission shaft is slideably
It is inserted into the arrying main body, and one end of the transmission shaft is fixedly connected with the telescopic end of first extensible member, it is described
First extensible member is used to that the transmission shaft to be driven to carry out axially reciprocating,
The other end of the arrying main body is arranged in the jaw components, and the jaw components include mandrel, rotary table, slips
And stop collar, the other end of the transmission shaft passes through the arrying main body and is fixedly connected with one end of the mandrel, and the core
Axis and the transmission shaft are coaxially arranged, and the other end of the mandrel is slideably inserted into one end of the rotary table, the rotary table
The end face for being fitted with the mandrel diameter be less than the rotary table other end diameter, the slips is along the rotary table
Stringcourse be slidably mounted on the conical surface of the rotary table, being connected with for one end of the stop collar and the transmission shaft is described
One end of mandrel is fixedly connected, and one end towards the stop collar of the slips is equipped with sliding block, the other end of the stop collar
Equipped with the sliding slot to match with the sliding block, the sliding block is connected in the sliding slot and cunning of the sliding block in the sliding slot
Dynamic direction is vertical with the glide direction of the transmission shaft.
In a kind of implementation of the invention, the pipe lining draw-off gear further includes mounting base and at least two folders
Tight component, the mounting base are fixedly mounted on one end that the jaw components are corresponded in the arrying main body, and the transmission shaft can
Slidably be inserted into the mounting base, the clamping component include swing rest shoe and for stir it is described swing rest shoe second
Telescopic component, the middle part for swinging rest shoe are rotatably mounted in the mounting base, the first end position for swinging rest shoe
In the position of the periphery wall of the correspondence stop collar, described the of rest shoe is swung when the telescopic end of second telescopic component is located at
When one end, the spacing of the first end for swinging rest shoe and the stop collar is minimum.
In another implementation of the invention, the second telescopic component setting corresponds to institute in the arrying main body
One end of jaw components is stated, second telescopic component includes the second extensible member and shifting block, and second extensible member is fixedly mounted
In the arrying main body, one end of the shifting block is fixedly connected with the telescopic end of second extensible member, and described second is flexible
Part is for driving the other end of the shifting block to stir the swing rest shoe.
In another implementation of the invention, at least two clamping component is with the central axes of the transmission shaft
The circumferentially equidistant arranged for interval of axis.
In another implementation of the invention, first telescopic component further includes connector, and described first is flexible
Part is separately positioned on the two sides of the transmission shaft, and the both ends of the connector are stretched with positioned at the first of the transmission shaft two sides respectively
The telescopic end of contracting part is fixedly connected, and the transmission shaft is fixedly mounted on the middle part of the connector.
In another implementation of the invention, supporting sleeve is equipped in the arrying main body, the transmission shaft can be slided
It is inserted into the supporting sleeve dynamicly.
In another implementation of the invention, the conical surface of the rotary table is equipped with dovetail groove, and the slips bottom is set
There is the slide unit to match with the dovetail groove, the slips is slidably installed by the cooperation of the slide unit and the dovetail groove
On the rotary table.
In another implementation of the invention, the driving component includes power device and guide wheel group, the power
Device and the guide wheel group are respectively and fixedly installed in the arrying main body, and the power device and guide wheel group transmission connect
It connects.
In another implementation of the invention, the power device includes motor and the first sprocket wheel, first chain
Wheel is coaxially mounted on the output shaft of the motor, and the guide wheel group includes guide wheel and the second sprocket wheel, second sprocket coaxiality
It is mounted on the guide wheel, first sprocket wheel and second sprocket wheel pass through chain connection.
In another implementation of the invention, one end far from the transmission shaft of the rotary table is equipped with starting taper, institute
The bottom surface for stating starting taper is fixedly connected with the rotary table.
Technical solution provided in an embodiment of the present invention has the benefit that
When the pipe lining draw-off gear provided by the embodiment of the present invention works, firstly, the circle that will be inserted on mandrel
Platform is directed at pipeline to be onstructed, and driving assembly drives arrying main body towards pipe motion to be onstructed, until rotary table is inserted into pipe to be onstructed
In road, then, the first extensible member drives transmission shaft, so that transmission shaft pushes slips to transport along the conical surface of rotary table by stop collar
It is dynamic, due to can produce the relative motion in vertical-transmission axis direction between slips and stop collar, so working as stop collar push card
Watt movement when, slips offsets and stuck under the action of the conical surface of rotary table with the inner wall of the liner of pipeline to be onstructed, then, drive
Dynamic Component driver arrying main body deviates from pipe motion to be onstructed, until liner is extracted pipeline pipeline to be onstructed, last first stretches
Contracting part drives transmission shaft, so that transmission shaft pulls slips to move along the conical surface of rotary table by stop collar, until slips and limit
Again return is operated with achieving the purpose that unclamp slips and liner to complete entire pipe lining drawing ring, and remaining pipe
Road can then continue with, and then avoid the waste of pipeline.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that pipe lining draw-off gear provided in an embodiment of the present invention faces partial sectional view;
Fig. 2 is the vertical view assembling schematic diagram of stop collar and slips provided in an embodiment of the present invention;
Fig. 3 is the overhead, partial cut-away view of pipe lining draw-off gear provided in an embodiment of the present invention;
Each symbol indicates that meaning is as follows in figure:
1- arrying main body, 2- driving assembly, 21- power device, 211- motor, the first sprocket wheel of 212-, 22- guide wheel group,
221- guide wheel, the second sprocket wheel of 222-, 23- chain, the first telescopic component of 3-, the first extensible member of 31-, the first extensible member of 31a- are stretched
Contracting end, 32- transmission shaft, 33- connector, 4- jaw components, 41- mounting base, 42- mandrel, 43- slips, 431- sliding block, 44- limit
Position ring, 45- starting taper, 46- rotary table, 5- clamping component, 51- swing rest shoe, and 51a- swings the first end of rest shoe, and 51b- swings rest shoe
Second end, the second telescopic component of 52-, the second extensible member of 521-, 522- shifting block, the telescopic end of the second telescopic component of 52a-, 6-
Supporting sleeve.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
The embodiment of the invention provides a kind of pipe lining draw-off gears, as shown in Figure 1, the pipe lining draw-off gear packet
It includes: arrying main body 1, driving assembly 2, the first telescopic component 3 and jaw components 4,
Driving assembly 2 is arranged in arrying main body, and driving assembly 2 is used to that arrying main body to be driven to move,
One end of arrying main body 1 is arranged in first telescopic component 3, and the first telescopic component 3 includes transmission shaft 32 and at least one
A first extensible member 31, the first extensible member 31 are fixedly mounted in arrying main body 1, and transmission shaft 32 is slideably inserted into carrying master
On body 1, and one end of transmission shaft 32 is fixedly connected with the telescopic end 31a of the first extensible member 31, and the first extensible member 31 is for driving
Transmission shaft 32 carries out axially reciprocating,
The other end of arrying main body 1 is arranged in jaw components 4, and jaw components 4 include mandrel 42, rotary table 46,43 and of slips
Stop collar 44, the other end of transmission shaft 32 passes through arrying main body 1 and is fixedly connected with one end of mandrel 42, and mandrel 42 and transmission shaft
32 is coaxially arranged, and the other end of mandrel 42 is slideably inserted into one end of rotary table 46, be fitted with mandrel 42 one of rotary table 46
The diameter of end face is less than the diameter of the other end of rotary table 46, and slips 43 is slidably mounted in the cone of rotary table along the stringcourse of rotary table 46
On face, one end of stop collar 44 is fixedly connected with one end for being connected with mandrel 42 of transmission shaft 32, slips 43 towards stop collar
44 one end is equipped with sliding block 431, and the other end of stop collar 44 is equipped with the sliding slot to match with sliding block 431, and sliding block 431 is connected in cunning
In slot and glide direction of the sliding block 431 in sliding slot is vertical with the activity direction of transmission shaft 32 (being detailed in Fig. 2).
When the pipe lining draw-off gear provided by the embodiment of the present invention works, firstly, will be inserted on mandrel 42
Rotary table 46 is directed at pipeline to be onstructed, and driving assembly 2 drives arrying main body towards pipe motion to be onstructed, until the insertion of rotary table 46 to
It constructs in pipeline, then, the first extensible member 31 drives transmission shaft 32, so that transmission shaft 32 pushes 43 edge of slips by stop collar 44
The conical surface movement of rotary table 46, due to can produce the opposite fortune on 32 direction of vertical drive shaft between slips 43 and stop collar 44
It is dynamic, so slips 43 is under the action of the conical surface of rotary table 46, with pipeline to be onstructed when stop collar 44 pushes slips 43 to move
The inner wall of liner offsets and stuck, and then, driving assembly 2 drives arrying main body to deviate from pipe motion to be onstructed, until by liner
Pipeline pipeline to be onstructed is extracted, last first extensible member 31 drives transmission shaft 32, so that transmission shaft 32 is pulled by stop collar 44
Slips 43 is moved along the conical surface of rotary table 46, until slips 43 and stop collar 44 return again, unclamps slips 43 and interior to reach
The purpose of lining, so that entire pipe lining drawing operation is completed, and remaining pipeline can then continue with, and then avoid pipe
The waste in road.
Specifically, mandrel 42 is inserted into transmission shaft 32, and mandrel 42 is threadedly coupled with transmission shaft 32.
In the present embodiment, one end of the separate transmission shaft 32 of rotary table 46 is equipped with starting taper 45, the bottom surface of starting taper 45 and rotary table
46 are fixedly connected, consequently facilitating mandrel 42 is inserted into pipeline to be onstructed.
In the present embodiment, pipe lining draw-off gear further includes mounting base 41 and at least two clamping components 5, mounting base
41 are fixedly mounted on one end that jaw components 4 are corresponded in arrying main body 1, and transmission shaft 32 is slideably inserted into mounting base 41,
Clamping component 5 includes swinging rest shoe 51 and for stirring the second telescopic component 52 for swinging rest shoe 51, swinging the middle part of rest shoe 51
Rotatably it is mounted in mounting base 41, the first end for swinging rest shoe 51 is located at the position for corresponding to the periphery wall of stop collar 44, when
The telescopic end 52a of second telescopic component 52 be located at swing rest shoe 51 first end 51a when, swing rest shoe 51 first end 51a with
The spacing of stop collar 44 is minimum, so as to which liner is clamped by the first end 51a for swinging rest shoe 51 and stop collar 44, thus
It further ensure that liner can be extracted smoothly.
Specifically, swinging rest shoe 51 further includes second end 51b, swings first end 51a and second end the 51b difference of rest shoe 51
Positioned at the opposite end for swinging rest shoe 51, when the telescopic end 52a of the second telescopic component 52 is located at the second end 51b of swing rest shoe 51
When, swing rest shoe 51 first end 51a tilt outward, at this time swing rest shoe 51 first end 51a at a distance from stop collar 44 most
Greatly, it is swung between rest shoe 51 and stop collar 44 in order to which liner is inserted into;It is swung when the telescopic end 52a of the second telescopic component 52 is located at
When the first end 51a of rest shoe 51, swing rest shoe 51 second end 51b tilt outward, at this time swing rest shoe 51 first end 51a with
The distance of stop collar 44 is minimum, to clamp liner.
It following is a brief introduction of the fit system swung between rest shoe 51 and jaw components 4:
When driving assembly 2 is by driving arrying main body 1, so that second is flexible after liner is extracted a part by jaw components 4
The telescopic end 52a of component 52 moves to the first end for swinging rest shoe 51, and will swing the first end 51a of rest shoe 51 to stop collar 44
Direction push so that swinging rest shoe 51 and stop collar 44 can be by the grips of liner being pulled out.
Specifically, the second telescopic component 52 is arranged in one end that jaw components 4 are corresponded in arrying main body 1, and second flexible group
Part 52 includes the second extensible member 521 and shifting block 522, and the second extensible member 521 is fixedly mounted in arrying main body 1, and the one of shifting block 522
End is fixedly connected with the telescopic end of the second extensible member 521, and the second extensible member 521 is for driving the other end of shifting block 522 to stir pendulum
Pawl block 51.The second extensible member 521 is used to that shifting block 522 to be driven to stir the first end for swinging rest shoe 51 in above-mentioned implementation
51a and second end 51b enables the second telescopic component 52 accurately to stir the first end 51a and second end for swinging rest shoe 51
51b,.
More specifically, shifting block 522 can be mounted by means of bolts on the telescopic end of the second extensible member 521.
Specifically, at least two clamping components 5 are using the central axes of transmission shaft 32 as the circumferentially equidistant arranged for interval of axis, so as to
Enough more stable clamping liners.
In the present embodiment, the first telescopic component 3 further includes connector 33, and the first extensible member 31 is separately positioned on transmission shaft
32 two sides, the both ends of connector 33 are fixed with the telescopic end 31a for the first extensible member 31 for being located at 32 two sides of transmission shaft respectively to be connected
It connects, transmission shaft 32 is fixedly mounted on the middle part of connector 33.It is respectively arranged the first extensible member 31 in the two sides of transmission shaft 32, and is led to
It crosses connector 33 and the active force of first extensible member 31 is transferred to transmission shaft 32, so as to improve pipe lining draw-off gear
Stability.
In the present embodiment, supporting sleeve 6 is equipped in arrying main body 1, transmission shaft 32 is slideably inserted into supporting sleeve 6
It is interior, unnecessary shaking is generated in arrying main body 1 so as to avoid transmission shaft 32, and then improve pipe lining draw-off gear
Reliability.
In the present embodiment, the conical surface of rotary table is equipped with dovetail groove, and 43 bottom of slips is equipped with the cunning to match with dovetail groove
Platform, slips 43 are slidably mounted on rotary table by the cooperation of slide unit and dovetail groove.In above-mentioned implementation, pass through dovetail
The cooperation of slot and slide unit, so that slips 43 is slidably mounted on rotary table, and ensure that slips 43 will not skid off rotary table, into one
Improve to step the reliability of pipe lining draw-off gear.
Fig. 3 is the overhead, partial cut-away view of pipe lining draw-off gear, and in the present embodiment, driving assembly 2 includes power
Device 21 and guide wheel group 22, power device 21 and guide wheel group 22 are respectively and fixedly installed in arrying main body 1, power device 21 with lead
Wheel group 22 is sequentially connected.In above-mentioned implementation, power device 21 drives guide wheel group 22 to work, to drive arrying main body 1
Movement.
Specifically, power device 21 includes motor 211 and the first sprocket wheel 212, and the first sprocket wheel 212 is coaxially mounted to motor
On 211 output shaft, guide wheel group 22 includes guide wheel 221 and the second sprocket wheel 222, and the second sprocket wheel 222 is coaxially mounted to guide wheel 221
On, the first sprocket wheel 212 and the second sprocket wheel 222 are linked by chain 23.In above-mentioned implementation, motor 211 drives the first chain
212 rotation of wheel, the first sprocket wheel 212 drives the rotation of the second sprocket wheel 222 by chain 23, to drive guide wheel 221 to rotate, and then realizes
The movement of arrying main body 1.
In the present embodiment, the guide rail (not shown) to match with guide wheel 221 can be set, guide wheel 221 is existed
It is moved on guide rail, so as to limit the motion profile of pipe lining draw-off gear by guide rail.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pipe lining draw-off gear, which is characterized in that the pipe lining draw-off gear includes: arrying main body, driving
Component, the first telescopic component and jaw components,
The driving component is arranged in the arrying main body, and the driving component is used to that the arrying main body to be driven to move,
First telescopic component is arranged in one end of the arrying main body, and first telescopic component includes transmission shaft and at least
One the first extensible member, first extensible member are fixedly mounted in the arrying main body, and the transmission shaft slideably inserts
In the arrying main body, and one end of the transmission shaft is fixedly connected with the telescopic end of first extensible member, and described first
Extensible member is used to that the transmission shaft to be driven to carry out axially reciprocating,
The other end of the arrying main body is arranged in the jaw components, and the jaw components include mandrel, rotary table, slips and limit
Position ring, the other end of the transmission shaft pass through the arrying main body and are fixedly connected with one end of the mandrel, and the mandrel and
The transmission shaft is coaxially arranged, and the other end of the mandrel is slideably inserted into one end of the rotary table, and the rotary table is inserted
The diameter of an end face equipped with the mandrel is less than the diameter of the other end of the rotary table, waist of the slips along the rotary table
Line is slidably mounted on the conical surface of the rotary table, and one end of the stop collar is connected with the mandrel with the transmission shaft
One end be fixedly connected, one end towards the stop collar of the slips is equipped with sliding block, and the other end of the stop collar is equipped with
The sliding slot to match with the sliding block, the sliding block is connected in the sliding slot and sliding side of the sliding block in the sliding slot
To vertical with the glide direction of the transmission shaft.
2. pipe lining draw-off gear according to claim 1, which is characterized in that the pipe lining draw-off gear also wraps
Mounting base and at least two clamping components are included, the mounting base, which is fixedly mounted in the arrying main body, corresponds to the jaw components
One end, the transmission shaft is slideably inserted into the mounting base, and the clamping component includes swinging rest shoe and for dialling
Second telescopic component for swinging rest shoe is moved, the middle part for swinging rest shoe is rotatably mounted in the mounting base, institute
The first end for swinging rest shoe is stated positioned at the position for the periphery wall for corresponding to the stop collar, when the telescopic end of second telescopic component
When positioned at the first end for swinging rest shoe, the spacing of the first end for swinging rest shoe and the stop collar is minimum.
3. pipe lining draw-off gear according to claim 2, which is characterized in that second telescopic component is arranged in institute
One end that the jaw components are corresponded in arrying main body is stated, second telescopic component includes the second extensible member and shifting block, described
Second extensible member is fixedly mounted in the arrying main body, and one end of the shifting block and the telescopic end of second extensible member are fixed
Connection, second extensible member is for driving the other end of the shifting block to stir the swing rest shoe.
4. pipe lining draw-off gear according to claim 2, which is characterized in that at least two clamping component is with institute
The central axes for stating transmission shaft are the circumferentially equidistant arranged for interval of axis.
5. pipe lining draw-off gear according to claim 1, which is characterized in that first telescopic component further includes connecting
Fitting, first extensible member are separately positioned on the two sides of the transmission shaft, and the both ends of the connector are respectively and positioned at described
The telescopic end of first extensible member of transmission shaft two sides is fixedly connected, and the transmission shaft is fixedly mounted on the middle part of the connector.
6. pipe lining draw-off gear according to claim 1, which is characterized in that be equipped with support sleeve in the arrying main body
Pipe, the transmission shaft are slideably inserted into the supporting sleeve.
7. pipe lining draw-off gear according to claim 1, which is characterized in that the conical surface of the rotary table is equipped with dovetail
Slot, the slips bottom are equipped with the slide unit to match with the dovetail groove, and the slips passes through the slide unit and the dovetail groove
Cooperation be slidably mounted on the rotary table.
8. pipe lining draw-off gear according to claim 1, which is characterized in that the driving component includes power device
And guide wheel group, the power device and the guide wheel group are respectively and fixedly installed in the arrying main body, the power device with
The guide wheel group transmission connection.
9. pipe lining draw-off gear according to claim 8, which is characterized in that the power device includes motor and
One sprocket wheel, first sprocket coaxiality are mounted on the output shaft of the motor, and the guide wheel group includes guide wheel and the second sprocket wheel,
Second sprocket coaxiality is mounted on the guide wheel, and first sprocket wheel and second sprocket wheel pass through chain connection.
10. pipe lining draw-off gear according to claim 1, which is characterized in that the separate transmission of the rotary table
One end of axis is equipped with starting taper, and the bottom surface of the starting taper is fixedly connected with the rotary table.
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CN201610709862.0A CN107756003B (en) | 2016-08-23 | 2016-08-23 | A kind of pipe lining draw-off gear |
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CN201610709862.0A CN107756003B (en) | 2016-08-23 | 2016-08-23 | A kind of pipe lining draw-off gear |
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CN107756003B true CN107756003B (en) | 2019-05-07 |
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CN111015168B (en) * | 2018-09-22 | 2021-04-09 | 温岭市鼎工自动化设备科技有限公司 | Internal expanding type pipe clamping mechanism of hose assembling machine and inner pipe inserting device |
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CN103707038A (en) * | 2013-12-10 | 2014-04-09 | 中国航空工业集团公司北京航空材料研究院 | Device for maintaining and interfering joint |
CN104551605A (en) * | 2015-01-08 | 2015-04-29 | 杭州科技职业技术学院 | Valve element drawing mechanism |
CN206071540U (en) * | 2016-07-15 | 2017-04-05 | 中石油煤层气有限责任公司陕西技术服务分公司 | The expansion apparatuss that a kind of oil tube inner lining pipe orcible entry is used |
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