CN206748107U - Pipe with small pipe diameter welded still pipe pipe end reconditioning head - Google Patents
Pipe with small pipe diameter welded still pipe pipe end reconditioning head Download PDFInfo
- Publication number
- CN206748107U CN206748107U CN201720382557.5U CN201720382557U CN206748107U CN 206748107 U CN206748107 U CN 206748107U CN 201720382557 U CN201720382557 U CN 201720382557U CN 206748107 U CN206748107 U CN 206748107U
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- Prior art keywords
- pipe
- dressing
- wheel rim
- wheel
- welded still
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Abstract
The utility model belongs to oil-gas transportation welded still pipe manufacturing equipment field, and in particular to a kind of pipe with small pipe diameter welded still pipe pipe end reconditioning head, including the drive mechanism that position-limit mechanism, the certainly dressing of tensioning and driving dressing rotate；Dressing is made up of interior hub, wheel rim and abrasive band, wheel rim is made up of elastic polymer material, wheel rim is sleeved on interior hub and is synchronized with the movement with interior hub, along the rotation direction of dressing, regular arrangement has some strip holes on wheel rim, each strip hole runs through the front/rear end of wheel rim, and a circle abrasive band is cased with outside wheel rim；Position-limit mechanism and drive mechanism are fixed on the connecting plate above the two.The utility model is redesigned traditional sharpening machine bistrique, two wheel constructions are changed to single-wheel, and dressing is set to have from tensioning function, whole reconditioning head is set to can adapt to the inside weld reconditioning of pipe with small pipe diameter pipe end, the reconditioning scope of sharpening machine bistrique is expanded, solves the problems, such as that current pipe with small pipe diameter steel pipe inside weld is difficult to reconditioning.
Description
Technical field
A kind of pipe with small pipe diameter welded still pipe pipe end reconditioning head is the utility model is related to, belongs to the manufacture of oil-gas transportation welded still pipe
Apparatus field, it is related to pipe end inside weld reconditioning technology in steel pipe manufacturing process, the following pipe with small pipe diameter oil of the diameter 508mm that is particularly suitable for use in
Gas conveys the pipe end inside weld reconditioning of welded still pipe.
Background technology
It is domestic at present and transportation pipe uses straight-line joint submerged arc welding tube (SAWL) and spiral submerged welded pipe substantially in the world
(SAWH).Steel pipe's production process can form high 0.5-3mm inner and outer welding.In order to construct and using needs, away from pipe end
100-250mm inside weld needs to be polished in the range of 0-0.5mm (outside weld also requires).
At present, pipe end grinding is carried out using two-wheeled or three-wheel abrasive band sharpening machine mostly in industry.
During reconditioning machine operation, the height of the position-limited wheel of regulation limiting device, its extreme lower position and contact wheel is set to dispatch workers to do on-site repairs frosted
The extreme lower position of band contacts the inwall of steel pipe simultaneously, and adjusts the rotation direction of position-limited wheel, makes the spiral shell of position-limited wheel end face and steel pipe seam
Spin line is parallel.Tensioning wheel is tensioned reconditioning abrasive band by adjusting spring tensioning mechanism.Regulation deflection mechanism can make reconditioning abrasive band in height
Swung back and forth in fast operation process along contact wheel width, ensure that abrasive particle uniformly participates in being ground, made so as to reach extension abrasive band
With the effect in life-span.After grinding head mechanism enters steel duct to be grinding, contact wheel is driven to rotate together by drive mechanism, realization is repaiied
Grind the function of pipe end inside weld.
But there is problems with current this sharpening machine in practical application：
For inside weld reconditioning, reconditioning head, which has to enter into steel duct, could carry out reconditioning.But due to size too
Greatly, existing reconditioning head cannot be introduced into pipe with small pipe diameter pipe end, and the reconditioning head of prior art is mainly due to cost and effect
The reasons such as rate can not be reduced again.
Utility model content
The technical problems to be solved in the utility model is：Overcome deficiency of the prior art, there is provided one kind can probe into small
Caliber steel duct simultaneously adapts to the pipe with small pipe diameter welded still pipe pipe end reconditioning head in the normal reconditioning of pipe end inside weld of pipe with small pipe diameter.
Pipe with small pipe diameter welded still pipe pipe end reconditioning head described in the utility model, including position-limit mechanism, the reconditioning from tensioning
The drive mechanism that wheel and driving dressing rotate；Dressing is made up of interior hub, wheel rim and abrasive band, and wheel rim is by elastic polymer material
It is made, wheel rim is sleeved on interior hub and is synchronized with the movement with interior hub, if regular arrangement has on wheel rim along the rotation direction of dressing
Dry strip hole (illustrates：If dressing rotates clockwise, strip hole is arranged on wheel rim along clockwise direction), each strip
Kong Jun runs through the front/rear end of wheel rim, and a circle abrasive band is cased with outside wheel rim；Position-limit mechanism and drive mechanism are fixed on above the two
On connecting plate.Wherein, elastic polymer material preferred rubber.
In the utility model, because having strip hole in the wheel rim of dressing, such drive mechanism drives dressing to rotate
When, wheel rim can be made wheel rim be integrated with the effect of tensioning by the reaction force of abrasive band opposite direction, i.e. dressing has from tensioning property
Can, so as to reach the effect for preventing abrasive band from coming off.This design poroid with strip of wheel rim, be on the one hand advantageous to the peace in abrasive band
Dress, on the other hand there is the effect for preventing that abrasive band from skidding, while also have the effect of radiating, it is big so as to solve the three of dressing design
Difficult contradiction point.
Also there is skill when assembling dressing,, only need to be by wheel rim by length when installing abrasive band first by wheel rim on interior hub
The arranged direction extruding in bar hole is (i.e.：If the strip hole in wheel rim is set in the direction of the clock, extrude in the direction of the clock
Wheel rim), wheel rim deformation, you can load onto abrasive band.
The utility model is in practical application, the bottom surface (i.e. reconditioning face) for ensuring dressing is the minimum of whole reconditioning head
Position, its basic operation method and former sharpening machine are all identical, and specific operation process is as follows：
Before use, dressing and position-limit mechanism to be put into steel duct to be grinding, then adjusted and limited by position-limit mechanism
The height and angle of position wheel, make position-limited wheel end face parallel with the helix of steel pipe seam, and ensure the extreme lower position of position-limited wheel with
The extreme lower position of dressing is located at same level, starts drive mechanism afterwards, drives dressing rotation, realizes in pipe end
Reconditioning function.
Preferably, described position-limit mechanism includes lifting structure, spacing wheel seat and position-limited wheel, and the upper end of lifting structure has
Thread segment, corresponding lifting structure set mounting hole on connecting plate, and the thread segment of lifting structure is through mounting hole, on thread segment
Two clamp nuts are installed, respectively positioned at the upper and lower side of connecting plate and relative, the two is pressed from both sides two clamp nuts to connecting plate jointly
Fasten, the lower end of lifting structure is fixedly connected with spacing wheel seat, and position-limited wheel is arranged on spacing wheel seat.By rotating lift
Structure can adjust the rotation direction of position-limited wheel, make position-limited wheel end face parallel with the helix of steel pipe seam；Afterwards can by elevating mechanism
To adjust the height of position-limited wheel, the extreme lower position of position-limited wheel and the extreme lower position of dressing is set to be located at same level.Further
Preferably, described lifting structure uses telescopic supporting rod, and position-limited wheel height is adjusted by telescopic supporting rod.
Preferably, described drive mechanism includes motor, pulley transmission mechanism and shaft transmission, the output shaft of motor
Linked by one end of power transmission shaft in pulley transmission mechanism and shaft transmission, the interior hub of dressing is arranged on the power transmission shaft
On the other end.During installation, it is ensured that the rotation side of its output shaft when the arranged direction of strip hole works with motor on reconditioning rim of wheel
To identical.It is further preferred that described shaft transmission is connected by the first connection plate with connecting plate；Motor is located at axle biography
The top of motivation structure, the two is connected by the second connection plate, makes reconditioning head compact overall structure, so as to save larger sky
Between, reconditioning head is adapted to the pipe end inside weld reconditioning in pipe with small pipe diameter.
Preferably, the center line of each strip hole and the inner periphery of wheel rim are tangent, and so, wheel rim is more easy to when being squeezed power
Deform, be easy to the installation in abrasive band.
Preferably, a diameter of 110~160mm of dressing.When a diameter of 120mm of dressing is (more straight than conventional contacts wheel
Footpath 140mm is smaller) when, it can be ensured that dressing and position-limit mechanism smoothly enter φ 219mm steel pipe (transportation pipe are most
Pipe with small pipe diameter) it is internal, carry out normal reconditioning；The width of dressing is 40~80mm simultaneously, ensures the reconditioning effect to steel pipe inside weld
Fruit.
Preferably, the interior hub of dressing is made of 45# steel.
Possessed beneficial effect is the utility model compared with prior art：
The utility model is redesigned traditional sharpening machine bistrique, two wheel constructions is changed into single-wheel, and consider
The factor such as grinding efficiency, installation and fixation, radiating, reconditioning wheel construction is changed, and is made it have from tensioning function, simultaneously
Larger space is saved, can adapt to the inside weld reconditioning of pipe with small pipe diameter pipe end, expands the reconditioning scope of sharpening machine bistrique,
Solve the problems, such as that current pipe with small pipe diameter steel pipe inside weld is difficult to reconditioning.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is to leave out the right view of the present utility model of drive mechanism；
Fig. 3 is the structural representation of dressing.
In figure：1st, pulley transmission mechanism；2nd, motor；3rd, the second connection plate；4th, shaft transmission；5th, connecting plate；6、
First connection plate；7th, power transmission shaft；8th, dressing；9th, clamp nut；10th, lifting structure；11st, spacing wheel seat；12nd, position-limited wheel；
13rd, abrasive band；14th, wheel rim；15th, strip hole；16th, interior hub.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figures 1 to 3, pipe with small pipe diameter welded still pipe pipe end reconditioning head described in the utility model, including position-limit mechanism,
The drive mechanism rotated from the dressing 8 and driving dressing 8 of tensioning；
Drive mechanism includes motor 2, pulley transmission mechanism 1 and shaft transmission 4, and the output shaft of motor 2 passes through belt
The power transmission shaft 7 of wheel drive mechanism 1 and shaft transmission 4 is linked, and shaft transmission 4 is connected by the first connection plate 6 with connecting plate 5
Connect, motor 2 is located at the top of shaft transmission 4 and the two is connected by the second connection plate 3；
Dressing 8 is made up of interior hub 16, wheel rim 14 and abrasive band 13, in the present embodiment, a diameter of 120mm (ratios of dressing 8
The diameter 140mm of conventional contacts wheel is smaller), dressing 8 and position-limit mechanism can be made to smoothly enter φ 219mm steel pipe
(transportation pipe minimum pipe) is internal, realizes reconditioning in the pipe end to φ 219mm above calibers, has reached design requirement, together
When dressing 8 width be 50mm, ensure the reconditioning effect to steel pipe inside weld；Interior hub 16 be 45# steel through over mechanical processing and
Into wheel rim 14 and interior hub 16 are made by forcing press pressure and formed, and interior hub 16 is arranged on the power transmission shaft 7 of shaft transmission 4, wheel rim 14
Be made up of elastic polymer material and (wheel rim 14 made using elastomeric material in the present embodiment), wheel rim 14 be sleeved on interior hub 16 and
It is synchronized with the movement with interior hub 16, along the rotation direction of dressing 8, regular arrangement has 20 strip holes 15, each strip hole on wheel rim 14
15 run through the front/rear end of wheel rim 14, and the inner periphery of the center line of each strip hole 15 and wheel rim 14 is tangent, the overcoat of wheel rim 14
There is a circle abrasive band 13；
Position-limit mechanism includes lifting structure 10 (telescopic supporting rod is used in the present embodiment), spacing wheel seat 11 and position-limited wheel
12, the upper end of lifting structure 10 has thread segment, and corresponding lifting structure 10 sets mounting hole, lifting structure 10 on connecting plate 5
Thread segment through mounting hole, be threaded with two clamp nuts 9 on thread segment, two clamp nuts 9 are located at connecting plate 5 respectively
Upper and lower side and relative, the two is clamped fixation to connecting plate 5 jointly, and the lower end of lifting structure 10 is solid with spacing wheel seat 11
Fixed connection, position-limited wheel 12 are arranged on spacing wheel seat 11.The rotation direction of position-limited wheel 12 can be adjusted by rotating elevating mechanism, makes limit
Position 12 end faces of wheel are parallel with the helix of steel pipe seam；The height of position-limited wheel 12 can be adjusted by elevating mechanism afterwards, makes limit
The extreme lower position and the extreme lower position of dressing 8 of position wheel 12 are located at same level.
In the present embodiment, the direction of rotation of the output shaft of motor 2 is clockwise, then along clockwise on the wheel rim 14 of dressing 8
Direction rule is disposed with strip hole 15, when installing dressing 8, must in the direction of the clock assemble, so, work as motor
When 2, dressing 8 rotates clockwise, and wheel rim 14 can be made wheel rim 14 be integrated with opening by 13 anticlockwise reaction force of abrasive band
Tight effect, so as to reach the effect for preventing that abrasive band 13 from coming off.On the wheel rim 14 of dressing 8 install abrasive band 13 when, only need by
Wheel rim 14 extrudes in the direction of the clock, and wheel rim 14 deforms, you can loads onto abrasive band 13.
This design of strip hole 15 ensure that several basic demands of dressing 8 on dressing 8：1) reconditioning process is soft
Contact；2) abrasive band 13 is convenient installs；3) from tensioning function；4) excellent radiating effect.
The utility model is in practical application, basic operation method and former sharpening machine are all identical, while ensure dressing 8
Bottom surface (i.e. reconditioning face) is the extreme lower position of whole reconditioning head, and specific operation process is as follows：
Before use, dressing 8 and position-limit mechanism to be put into steel duct to be grinding, then adjusted and limited by position-limit mechanism
The height and angle of position wheel 12, make the end face of position-limited wheel 12 parallel with the helix of steel pipe seam, and ensure the minimum of position-limited wheel 12
Position and the extreme lower position of dressing 8 are located at same level, start motor 2 afterwards, are driven through pulley transmission mechanism 1, axle
Mechanism 4 drives dressing 8 to rotate, and realizes reconditioning function in pipe end.
Claims (10)
- A kind of 1. pipe with small pipe diameter welded still pipe pipe end reconditioning head, it is characterised in that：Dressing including position-limit mechanism, tensioning certainly (8) and driving dressing (8) rotate drive mechanism；Dressing (8) is made up of interior hub (16), wheel rim (14) and abrasive band (13), Wheel rim (14) is made up of elastic polymer material, and wheel rim (14) is sleeved on interior hub (16) and is synchronized with the movement with interior hub (16), edge The rotation direction of dressing (8) regular arrangement on wheel rim (14) has some strip holes (15), and each strip hole (15) is through wheel The front/rear end of (14) is enclosed, a circle abrasive band (13) is cased with outside wheel rim (14)；Position-limit mechanism and drive mechanism are fixed on the two top Connecting plate (5) on.
- 2. pipe with small pipe diameter welded still pipe pipe end reconditioning head according to claim 1, it is characterised in that：Described elastic high score Sub- material is rubber.
- 3. pipe with small pipe diameter welded still pipe pipe end reconditioning head according to claim 1, it is characterised in that：Described position-limit mechanism Including lifting structure (10), spacing wheel seat (11) and position-limited wheel (12), the upper end of lifting structure (10) has thread segment, corresponding to rise Drop structure (10) sets mounting hole on connecting plate (5), and the thread segment of lifting structure (10) is pacified on thread segment through mounting hole Fill two clamp nuts (9), two clamp nuts (9) are respectively positioned at the upper and lower side of connecting plate (5) and relative, and the two is jointly to connection Plate (5) is clamped fixation, and the lower end of lifting structure (10) is fixedly connected with spacing wheel seat (11), and position-limited wheel (12) is arranged on limit On position wheel seat (11).
- 4. pipe with small pipe diameter welded still pipe pipe end reconditioning head according to claim 3, it is characterised in that：Described lifting structure (10) telescopic supporting rod is used.
- 5. pipe with small pipe diameter welded still pipe pipe end reconditioning head according to claim 1, it is characterised in that：Described drive mechanism Including motor (2), pulley transmission mechanism (1) and shaft transmission (4), the output shaft of motor (2) passes through pulley drive machine One end of structure (1) and power transmission shaft (7) in shaft transmission (4) is linked, and the interior hub (16) of dressing (8) is arranged on the power transmission shaft (7) on the other end.
- 6. pipe with small pipe diameter welded still pipe pipe end reconditioning head according to claim 5, it is characterised in that：Described axle driver Structure (4) is connected by the first connection plate (6) with connecting plate (5)；Motor (2) is located at the top of shaft transmission (4), and the two is logical Cross the second connection plate (3) connection.
- 7. according to any described pipe with small pipe diameter welded still pipe pipe end reconditioning head in claim 1~6, it is characterised in that：Each length The inner periphery of the center line in bar hole (15) and wheel rim (14) is tangent.
- 8. according to any described pipe with small pipe diameter welded still pipe pipe end reconditioning head in claim 1~6, it is characterised in that：It is described The width of dressing (8) be 40~80mm.
- 9. according to any described pipe with small pipe diameter welded still pipe pipe end reconditioning head in claim 1~6, it is characterised in that：It is described Dressing (8) a diameter of 110~160mm.
- 10. according to any described pipe with small pipe diameter welded still pipe pipe end reconditioning head in claim 1~6, it is characterised in that：It is described Interior hub (16) be made of 45# steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382557.5U CN206748107U (en) | 2017-04-12 | 2017-04-12 | Pipe with small pipe diameter welded still pipe pipe end reconditioning head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382557.5U CN206748107U (en) | 2017-04-12 | 2017-04-12 | Pipe with small pipe diameter welded still pipe pipe end reconditioning head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206748107U true CN206748107U (en) | 2017-12-15 |
Family
ID=60613919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720382557.5U Expired - Fee Related CN206748107U (en) | 2017-04-12 | 2017-04-12 | Pipe with small pipe diameter welded still pipe pipe end reconditioning head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206748107U (en) |
-
2017
- 2017-04-12 CN CN201720382557.5U patent/CN206748107U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210412 |