CN202317097U - Internal expansion-type tensioning mechanism of pipeline beveling machine - Google Patents
Internal expansion-type tensioning mechanism of pipeline beveling machine Download PDFInfo
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- CN202317097U CN202317097U CN2011203433139U CN201120343313U CN202317097U CN 202317097 U CN202317097 U CN 202317097U CN 2011203433139 U CN2011203433139 U CN 2011203433139U CN 201120343313 U CN201120343313 U CN 201120343313U CN 202317097 U CN202317097 U CN 202317097U
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Abstract
The utility model belongs to the field of petrochemical pipelines, power pipelines, coal pipelines, water pipelines and the like and provides an internal expansion-type tensioning mechanism of a pipeline beveling machine. The internal expansion-type tensioning mechanism of the pipeline beveling machine comprises a long shaft (13), an oil cylinder I (20), an oil cylinder II (21), a tensioning wedge block I (2) and a tensioning wedge block II (22), wherein the interior of the long shaft (13) is provided with axial oil ducts and radial oil ducts; an element I (1) and an element II (11) which are matched with the tensioning wedge blocks are fixedly arranged on the long shaft (13); all elements are arranged respectively corresponding to a set of oil cylinders; pistons of the oil cylinders are fixedly arranged on the long shaft and do not move relative to the long shaft; cylinder blocks of the oil cylinders respectively do an axial motion of the opposite direction relative to the long shaft under the action of pressure oil; and both ends of each tensioning wedge block are respectively located a cylinder cover of the corresponding oil cylinder and chutes of the elements. According to the internal expansion-type tensioning mechanism of the pipeline beveling machine, through adopting a mode of respectively tensioning two tensioning points, the defect that positioning and expanding clamping on the inner diameter of an internal expansion-type beveling machine is effectively overcome, the quality of a groove is increased, and the service lives of a blade and the beveling machine are prolonged.
Description
Technical field
The utility model belongs to pipe-line construction fields such as petrochemical industry, electric power, coal, water delivery, relates to a kind of end face shaping processing and groove process equipment of the metal tube mouth of pipe, relates generally to a kind of internal expansion type tension mechanism of tube groove machine.
Background technology
In pipeline (metal tube) construction according to the technological requirement of welding, need be with the end face of pipe finished edge at the construction field (site), for raising the efficiency, normally adopt internal expansion type promptly with the hydraulic pressure beveling machine of ips centering and tensioner.As shown in Figure 1, beveling machine mainly is made up of propulsion system A, dynamical system B, frame C, knife rest D, the E of head system.The effect of propulsion system is axially to push away (drawing) dynamical system with hydraulic cylinder to axially move, cutterhead axial feed during in order to cutting and withdrawing motion; Dynamical system is to drive the cutterhead rotation by hydraulic motor through set of gears mechanism; Knife rest on the cutterhead is equipped with cutter, and the head system is a cover internal expansion type tension mechanism that extend into tube interior, and it must be to tube wall tensioner firmly; Make whole beveling machine and pipe form a rigid unitary; And the axial line that guarantees beveling machine overlaps with the axial line of pipe, that is to say cutterhead and pipe maintenance plumbness, so just can cut qualified beveling machine.Must there be two tensioner points in the head system of beveling machine; Could guarantee the axle center of equipment and the axis coinciding of pipe; The groove that processes so just can be ensured the quality of products, and these of two tensioner points are near the mouth of pipe, and another is with the mouth of pipe pipe the inside of certain distance to be arranged.Whether the tensioner mode of these two tensioner points is reasonable, directly has influence on groove quality and working (machining) efficiency.The tensioner mode of two tensioner points of existing beveling machine is: by a Driven by Hydraulic Cylinder at equipment rear portion; Reach the tensioner point of pipe the inside through a stock; Oil cylinder shrinks a cover voussoir tensioner tube wall at tensioner point place, stock pulling the inside; Here the movable part of voussoir overcomes the movable part that frictional resistance promotes a cover voussoir of mouth of pipe place tensioner point through a connecting rod again, is able to the inwall at tensioner mouth of pipe place.The shortcoming of this tension mechanism is, the tensioner point of pipe the inside can tensioner, and the tensioner at mouth of pipe place point is difficult to effective tensioner, and this has just caused beveling machine vibrations when work, makes that the roughness of groove and dimensional accuracy are bad, also damages blade easily.
Summary of the invention
The purpose of the utility model promptly is the internal expansion type tension mechanism that proposes a kind of tube groove machine, and through adopting two tensioner points mode of tensioner respectively, solution mouth of pipe tensioner point rises and presss from both sides not tight defective.
For accomplishing the foregoing invention purpose, the utility model adopts following technical scheme:
A kind of internal expansion type tension mechanism of tube groove machine, described internal expansion type tension mechanism comprise has major axis oil cylinder and the two cover tensioner voussoirs opposite with the two cover directions of motion that axially reach radial direction oil in one; Described internal expansion type tension mechanism is prepended in the processed pipe in the operation of pipeline cut; Be equipped with the element that cooperates with the tensioner voussoir on the major axis of described internal expansion type tension mechanism; Described element is two, each element corresponding respectively wherein a cover oil cylinder setting and be fixedly connected with major axis; Have some skewed slots that cooperate with the tensioner voussoir on the described element; Major axis is provided with two cover oil cylinders and makes and is positioned at nozzle position and the tube interior that the cover of two on major axis oil cylinder lays respectively at institute's pipe processing; The piston of said two cover oil cylinders is fixed on the major axis and does not do relative motion between the major axis, and cylinder body relative major axis under the effect of pressure oil of described two cover oil cylinders is done the opposite axially-movable of the direction of motion; Have some skewed slots that cooperate with the tensioner voussoir on the described oil cylinder cylinder cap; Corresponding respectively oil cylinder of every cover tensioner voussoir and element setting; Every cover tensioner voussoir is several tensioner voussoirs, the two ends of said tensioner voussoir have respectively with element, cylinder cap on the skewed slot kiss inclined-plane of joining; The two ends of each tensioner voussoir lay respectively in the skewed slot of oil cylinder cylinder cap and element, and the inclined-plane at tensioner voussoir two ends and the skewed slot of oil cylinder cylinder cap and element kiss association close; Link to each other through elastic component between the some tensioner voussoirs of corresponding with an an oil cylinder and element cover and elasticity be pressed against on the skewed slot of cylinder cap and element of corresponding oil cylinder; It is axial oil duct and the radial direction oil that two cover oil cylinders provide pressure oil that the major axis of said tensioner clamping mechanism has.
[0005]Described element I 1, element II are a cylinder, be nested with on major axis and relatively major axis fix, on cylinder, have three skewed slots that cooperate with the tensioner voussoir, the inclined-plane that described skewed slot and tensioner voussoir one end are had is kissed and is joined; Three skewed slots that have on the cylinder are along 120 ° of distributions of circumference.
Described element I 1, element II are a gengon.
The internal expansion type tension mechanism of the tube groove machine that the utility model proposes; Through adopting two tensioner points mode of tensioner respectively; Overcome internal expansion type beveling machine internal diameter effectively and located the not tight defective of folder that rises, improved the quality of groove, prolonged the service life of blade and beveling machine.
Description of drawings
Fig. 1 is the user mode sketch map of the utility model.
Fig. 2 is the structural representation of element I.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural representation of element II.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural representation of tensioner voussoir.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the left view of Fig. 6.
Fig. 9 is the structural representation of cylinder cap I.
Figure 10 is the A-A profile of Fig. 9.
Figure 11 is the structural representation of cylinder cap II.
Figure 12 is the B-B profile of Figure 11.
Among the figure, A, propulsion system, B, dynamical system, C, frame, D, knife rest, E, head system; 1, element I, 2, tensioner voussoir I, 3, the cylinder cap I, 4, the cylinder barrel I, 5, the piston I, 6, the cylinder bottom I; 7, cylinder bottom II, 8, the piston II, 9, the cylinder barrel II, 10, the cylinder cap II, 11, the element II, 12, guide housing; 13, major axis, 14, the radial direction oil I, 15, the radial direction oil II, 16, axial oil duct I, 17, axial oil duct II; 18, pipe, 19, spring, 20, the oil cylinder I, 21, the oil cylinder II, 22, tensioner voussoir II.
The specific embodiment
In conjunction with accompanying drawing and embodiment the utility model is explained:
As shown in Figure 1, a kind of internal expansion type tension mechanism of tube groove machine, described internal expansion type tension mechanism comprise has the major axis 13 and two that axially reaches radial direction oil to overlap the oil cylinder and the two cover tensioner voussoirs of move toward one another in one; Described internal expansion type tension mechanism is equipped with the element that cooperates with the tensioner voussoir on the major axis 13 of described internal expansion type tension mechanism in the tube groove operation is prepended to processed pipe 18, it is element I 1, element II 11 that described element is two; Each element is distinguished a corresponding cover oil cylinder setting wherein, and is positioned at the front end of oil cylinder moving direction when the tensioner operation; Have some skewed slots that cooperate with the tensioner voussoir on described element I 1, the element II 11; Among this embodiment, element I 1, element II 11 are a cylinder, are nested with at major axis 13 and relative major axis to fix, and on cylinder, have three skewed slots that cooperate with the tensioner voussoir, and the inclined-plane kiss that described skewed slot and tensioner voussoir one end are had is joined; Three skewed slots that have on the cylinder are along 120 ° of distributions of circumference; Described element I 1, element II 11 also can be gengon.It is oil cylinder I 20, oil cylinder II 21 and nozzle position and the tube interior that lays respectively at institute's pipe processing that major axis 13 is provided with two cover oil cylinders, and wherein, oil cylinder I 20 comprises cylinder cap I 3, cylinder barrel I 4, piston I 5, cylinder bottom I 6; Oil cylinder II 21 comprises cylinder cap II 10, cylinder barrel II 9, piston II 8, cylinder bottom II 7; Piston I 5, the piston II 8 of said two cover oil cylinders are fixed on the major axis 13 and do not do relative motion between the major axis, and cylinder body relative major axis 13 under the effect of pressure oil of described oil cylinder I 20, oil cylinder II 21 is done axially-movable in the opposite direction; Have some skewed slots that cooperate with the tensioner voussoir on the described oil cylinder cylinder cap; Among this embodiment, on the oil cylinder cylinder cap, have three skewed slots that cooperate with the tensioner voussoir, the inclined-plane kiss that described skewed slot and tensioner voussoir one end are had is joined; Three skewed slots that have on the oil cylinder cylinder cap are along 120 ° of distributions of circumference; Corresponding respectively oil cylinder of every cover tensioner voussoir and element setting, wherein, tensioner voussoir I 2 corresponding oil cylinder I 20 are provided with element I 1, and tensioner voussoir II 22 is corresponding with oil cylinder II 21 and element II 11.Every cover tensioner voussoir has several tensioner voussoirs, and every cover tensioner voussoir has three tensioner voussoirs among this embodiment, the two ends of said tensioner voussoir have respectively with institute counter element, cylinder cap on the skewed slot kiss inclined-plane of joining; The two ends of each tensioner voussoir lay respectively in the skewed slot of oil cylinder cylinder cap and element, and the inclined-plane at tensioner voussoir two ends and the skewed slot of oil cylinder cylinder cap and element kiss association close; Linking to each other also through elastic component between three tensioner voussoirs of a cover corresponding with an oil cylinder and element, elasticity is pressed against on the skewed slot of institute's counter element and oil cylinder cylinder cap; Among this embodiment, elastic component adopts spring 19; It is axial oil duct I 16, axial oil duct II 17 and radial direction oil I 14, the radial direction oil II 15 that two cover oil cylinders provide hydraulic oil that the major axis 13 of said internal expansion type tension mechanism has; Wherein, Pressure oil is given oil cylinder I 20, oil cylinder II 21 fuel feeding respectively through axial oil duct I 16, radial direction oil I 14, and oil cylinder I 20 moves backward, makes tensioner voussoir I 2 move and upwards rise along the skewed slot of element I 1 backward; Oil cylinder II 21 moves forward; Make tensioner voussoir II 22 move and upwards rise to the skewed slot of forward position element II 11, the upper surface of tensioner voussoir I 2, tensioner voussoir II 22 closely contacts on tube inner wall, and pipe is located by tensioner.After the groove operation of pipe was accomplished, pressure oil was given oil cylinder I 20, oil cylinder II 21 fuel feeding respectively, axial oil duct I 16,14 oil returns of radial direction oil I through axial oil duct II 17, radial direction oil II 15; Oil cylinder I 20 moves forward, and oil cylinder II 21 moves backward, and tensioner voussoir I 2, tensioner voussoir II 22 be return under oil cylinder I 20, oil cylinder II 21 and spring 19 effects respectively.
Claims (3)
1. the internal expansion type tension mechanism of a tube groove machine is characterized in that: described internal expansion type tension mechanism comprises to be had in one axially and the major axis (13) of radial direction oil and oil cylinder I (20), oil cylinder II (21), tensioner voussoir I (2), tensioner voussoir II (22); Described internal expansion type tension mechanism is prepended in the processed pipe in the operation of pipeline cut; Be fixed with the element I (1), the element II (11) that cooperate with the tensioner voussoir on the major axis of described internal expansion type tension mechanism (13), the corresponding respectively cover oil cylinder setting wherein of each element; Have some skewed slots that cooperate with the tensioner voussoir on described element I (1), the element II (11); Major axis is provided with oil cylinder I (20), oil cylinder II (21) and makes and is positioned at nozzle position and the tube interior that the cover of two on the major axis (13) oil cylinder lays respectively at institute's pipe processing; The piston of said oil cylinder I (20), oil cylinder II (21) is fixed on the major axis and does not do relative motion between the major axis, and cylinder body relative major axis under the effect of pressure oil of said oil cylinder I (20), oil cylinder II (21) is done axially-movable in the opposite direction; Have some skewed slots that cooperate with the tensioner voussoir on the cylinder cap of said oil cylinder I (20), oil cylinder II (21); Corresponding respectively oil cylinder of every cover tensioner voussoir and element setting, every cover tensioner voussoir is several tensioner voussoirs, the two ends of said tensioner voussoir I (2), tensioner voussoir II (22) have respectively with element, cylinder cap on skewed slot kiss the inclined-plane of joining; The two ends of each tensioner voussoir lay respectively in the skewed slot of oil cylinder cylinder cap and element, and the inclined-plane at tensioner voussoir two ends and the skewed slot of oil cylinder cylinder cap and element kiss association close; Link to each other through elastic component between the some tensioner voussoirs of corresponding with an an oil cylinder and element cover and elasticity be pressed against on the skewed slot of cylinder cap and element of corresponding oil cylinder; It is axial oil duct and the radial direction oil that two cover oil cylinders provide hydraulic oil that the major axis of said internal expansion type tension mechanism has.
2. according to the internal expansion type tension mechanism of the described a kind of tube groove machine of claim 1; It is characterized in that: described element I (1), element II (11) are a cylinder; Be nested with at the upward also relative major axis of major axis (13) and fix; On cylinder, have three skewed slots that cooperate with the tensioner voussoir, the inclined-plane kiss that described skewed slot and tensioner voussoir one end are had is joined; Three skewed slots that have on the cylinder are along 120 ° of distributions of circumference.
3. according to the internal expansion type tension mechanism of the described a kind of tube groove machine of claim 1, it is characterized in that: described element I (1), element II (11) are a gengon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203433139U CN202317097U (en) | 2011-09-14 | 2011-09-14 | Internal expansion-type tensioning mechanism of pipeline beveling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203433139U CN202317097U (en) | 2011-09-14 | 2011-09-14 | Internal expansion-type tensioning mechanism of pipeline beveling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202317097U true CN202317097U (en) | 2012-07-11 |
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ID=46429094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203433139U Withdrawn - After Issue CN202317097U (en) | 2011-09-14 | 2011-09-14 | Internal expansion-type tensioning mechanism of pipeline beveling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202317097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371375A (en) * | 2011-09-14 | 2012-03-14 | 洛阳德平机械设备有限公司 | Internal expanding tensioning mechanism of pipeline facing machine |
| CN103223506A (en) * | 2013-04-08 | 2013-07-31 | 苏州市亿特隆电器有限公司 | Clamp for processing thin-walled steel tubes |
-
2011
- 2011-09-14 CN CN2011203433139U patent/CN202317097U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371375A (en) * | 2011-09-14 | 2012-03-14 | 洛阳德平机械设备有限公司 | Internal expanding tensioning mechanism of pipeline facing machine |
| CN102371375B (en) * | 2011-09-14 | 2013-04-24 | 洛阳德平机械设备有限公司 | Internal expanding tensioning mechanism of pipeline facing machine |
| CN103223506A (en) * | 2013-04-08 | 2013-07-31 | 苏州市亿特隆电器有限公司 | Clamp for processing thin-walled steel tubes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130424 |
|
| RGAV | Abandon patent right to avoid regrant |