CN220479844U - Constant-angle bending device for instrumentation tube - Google Patents
Constant-angle bending device for instrumentation tube Download PDFInfo
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- CN220479844U CN220479844U CN202321794153.9U CN202321794153U CN220479844U CN 220479844 U CN220479844 U CN 220479844U CN 202321794153 U CN202321794153 U CN 202321794153U CN 220479844 U CN220479844 U CN 220479844U
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- round steel
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- pipe body
- bent
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- 238000005452 bending Methods 0.000 title claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- 238000000034 method Methods 0.000 abstract description 18
- 230000007547 defect Effects 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 12
- 238000003754 machining Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a constant-angle bending device for an instrument pipe, which is characterized in that a bending part positioning round steel and a pipe body part positioning round steel are respectively and fixedly arranged on a bottom plate, the pipe body part positioning round steel is arranged on one side of the bending part positioning round steel, a first annular groove is formed in the bending part positioning round steel, a second annular groove is formed in the pipe body part positioning round steel, one end of a stress application rod is rotationally connected with the bending part positioning round steel, so that the stress application rod is driven to rotationally swing along the bending part positioning round steel, a movable round steel of the pipe body part is placed on the bottom plate and rotationally connected with one end of the stress application rod, which is far away from the bending part positioning round steel, the third annular groove is formed in the movable round steel of the pipe body part, and the third annular groove, the first annular groove, the second annular groove and the third annular groove are arranged in the bending process of a pipe to be bent, so that the surface stress of the pipe to be bent is uniform in the bending process is ensured, the cross-section deformation and the concave quality defect of the pipe body of the bending part of the pipe to be bent are reduced, and the bending quality and the qualification rate of the pipe to be bent are improved.
Description
Technical Field
The utility model relates to the technical field of instrument tube processing, in particular to an instrument tube fixed angle bending device.
Background
Along with the rapid development of technology, the industrial equipment installation industry gradually tends to be mechanized and intelligent, wherein the construction of the thermal instrument tube is particularly important, a large number of instrument tubes are required in the construction process of the thermal instrument, and a large number of instrument tubes are required to be installed after being bent, the existing pipe bender is divided into an automatic pipe bender and a manual pipe bender, the automatic pipe bender is large in size and inconvenient to carry and use during construction, and in addition, the automatic pipe bender is complex in structure and high in use cost and maintenance cost. In the field of large-scale industrial engineering thermal engineering construction, the laying workload of the instrumentation tube is large, the trend is complex and changeable, the laying process requirement is high, and the control of the bent tube of the instrumentation tube is important.
In the prior art, as disclosed in the patent "a tool device for manufacturing a buffer bend of a pressure gauge of a nuclear power plant" with publication number CN204262110U, this application discloses that a gauge pipe workpiece 8 is placed between a bending die 2 and a stop 4, an F-shaped wrench front shaft 5 is inserted into a wrench fixing shaft, an F-shaped wrench rear shaft 6 is tightly attached to the outer side of the gauge pipe workpiece 8, a handle 10 of the F-shaped wrench 1 is moved clockwise, the gauge pipe workpiece 8 is bent in a clockwise direction by taking the contact point between the gauge pipe workpiece and the stop 4 as a fulcrum under the acting force of the F-shaped wrench rear shaft 6, so as to realize bending of the gauge pipe workpiece 8, but the following defects exist in the use process:
firstly, quality problems such as cross section deformation, shrinkage and the like of a pipe body of a bending part easily occur in the process of bending the instrumentation pipe, so that the flow area is reduced, and the problems of inaccurate measurement, blockage of the elbow part caused by more impurities in a medium in the process of test operation and the like are easily caused;
secondly, laying is often planned in rows, monitoring is convenient, operation is reliable, the process is attractive, bending of the instrument pipe is guaranteed to be consistent, and large-scale machining of pipe fittings cannot be rapidly subjected to fixed-angle bending, so that inconvenience is caused in pipe fitting bending angle control machining operation, and bending fixed-angle machining efficiency of the pipe fittings is affected.
Disclosure of Invention
The utility model aims to provide a constant-angle bending device for an instrument pipe, which is used for solving the problems of section deformation and shrinkage quality of a pipe body of a bending part in the process of bending a pipe fitting in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
an instrumentation tube constant angle bending device comprising:
the pipe body positioning round steel is arranged on one side of the bending part positioning round steel, a first annular groove is formed in the bending part positioning round steel, and a second annular groove is formed in the pipe body positioning round steel;
one end of the stress application rod is rotationally connected with the bending part positioning round steel, so that the stress application rod is driven to rotate and swing in a positioning way along the bending part positioning round steel;
the movable round steel of the pipe body is placed on the bottom plate and is rotationally connected with one end of the stressing rod, which is far away from the positioning round steel of the bending part, and the movable round steel of the pipe body is provided with a ring groove III.
As a further scheme of the utility model: the stressing rod is an F-shaped rod piece, and the F-shaped stressing rod comprises a first supporting rod and a second supporting rod.
As a further scheme of the utility model: the jack is formed in the axis direction of the bending part positioning round steel, and the formed jack is rotationally connected with the first supporting rod.
As a further scheme of the utility model: and the tail end of the second supporting rod is sleeved with the movable round steel of the pipe body.
As a further scheme of the utility model: the widths of the notch of the first annular groove, the notch of the second annular groove and the notch of the third annular groove are consistent.
As a further scheme of the utility model: the surface of the bottom plate is respectively provided with a U-shaped fixed angle scale, a 90-degree fixed angle scale and a 45-degree fixed angle scale.
As a further scheme of the utility model: one end of the positioning steel tube is fixedly connected to the bottom wall of the bottom plate.
The utility model has the beneficial effects that:
(1) In the bending process of the pipe fitting to be bent, a first annular groove is formed in the positioning round steel of the bending part, a second annular groove is formed in the positioning round steel of the pipe body part, a third annular groove is formed in the movable round steel of the pipe body part, and the first annular groove, the second annular groove and the third annular groove are used for stabilizing bending stress of the pipe fitting to be bent, so that the surface stress of the pipe fitting to be bent is uniform in the bending process, the defects of section deformation and shrinkage quality of the pipe body of the bending part of the pipe fitting to be bent are reduced, and the bending quality and the qualification rate of the pipe fitting to be bent are improved;
(2) In the bending process of the pipe fitting to be bent, the movable round steel of the pipe body part rotates to rub against the pipe fitting to be bent, so that the surface of the pipe fitting to be bent is uniformly distributed under pressure, the friction force between the movable round steel of the pipe body part and a stressed surface of the pipe fitting to be bent can be reduced by rotating the movable round steel of the pipe body part, the labor intensity is reduced, the bending resistance is reduced, the bending construction work benefit of the pipe fitting to be bent is improved, and the construction period is shortened;
(3) The U-shaped fixed angle scale, the 90-degree fixed angle scale and the 45-degree fixed angle scale are arranged on the bottom plate in advance, the pipe fitting to be bent can be bent into a U shape or can be bent at 90 degrees or 45 degrees respectively, other fixed angle scales can be added according to requirements, the application range is wide, the pipe fitting to be bent can be bent according to the fixed angle scale, the bending angle accuracy of the pipe fitting to be bent can be controlled and improved, and the construction process and the construction efficiency are improved.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a movable round steel for a connecting pipe body of a stress application rod according to the present utility model;
FIG. 3 is a schematic view of the present utility model with a U-shaped angular scale, a 90 angular scale and a 45 angular scale disposed on the surface of the base plate.
In the figure: 1. a bottom plate; 2. positioning round steel at the bending part; 20. a jack; 21. a first ring groove; 3. positioning round steel at the pipe body part; 30. a second ring groove; 4. a stress application rod; 5. a movable round steel at the pipe body part; 50. a third ring groove; 6. a first supporting rod; 7. a second supporting rod; 8. positioning the steel pipe; 9. a pipe fitting to be bent; 10. u-shaped fixed angle scales; 11. a 90-degree fixed angle scale; 12. 45 degree fixed angle scale.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; in the description of the present utility model, "a plurality of" means at least two, for example, two, three, etc., unless explicitly defined otherwise.
Referring to fig. 1, the present utility model is a constant angle bending device for an instrument pipe, which includes a bending portion positioning round steel 2, a pipe body portion positioning round steel 3, a stress application rod 4, and a pipe body portion movable round steel 5, wherein the bending portion positioning round steel 2 and the pipe body portion positioning round steel 3 are respectively and fixedly installed on a bottom plate 1, the pipe body portion positioning round steel 3 is disposed on one side of the bending portion positioning round steel 2, a ring groove I21 is disposed on the bending portion positioning round steel 2, a ring groove II 30 is disposed on the pipe body portion positioning round steel 3, one end of the stress application rod 4 is rotationally connected with the bending portion positioning round steel 2, so that the stress application rod 4 is driven to rotationally swing along the bending portion positioning round steel 2, the pipe body portion movable round steel 5 is disposed on the bottom plate 1 and rotationally connected with one end of the stress application rod 4 away from the bending portion positioning round steel 2, and a ring groove III 50 is disposed on the pipe body portion movable round steel 5.
In the process of processing the pipe fitting 9 to be bent, the pipe fitting 9 to be bent is inserted between the bending part positioning round steel 2 and the pipe body part positioning round steel 3, the pipe fitting 9 to be bent enters the annular groove I21 and the annular groove II 30 to be clamped stably, the stress rod 4 is operated by holding the stress rod 4 to be positioned and rotated along the bending part positioning round steel 2, at the moment, one side of the pipe fitting 9 to be bent is limited and blocked and abutted through the pipe body part positioning round steel 3, the pipe body part movable round steel 5 which is rotated and abutted with the stress rod 4 is pressed and abutted against the pipe fitting 9 to be bent acts, so that the pipe fitting 9 to be bent is bent and deformed along the contour of the bending part positioning round steel 2, the pipe fitting 9 to be bent is bent and processed, the annular groove I21, the annular groove II 30 and the annular groove III 50 are used for stabilizing the bending stress of the pipe fitting 9 to be bent, so that the surface stress of the pipe fitting 9 to be bent is uniform in the bending process, and the cross-section deformation and concave quality defects of the pipe fitting 9 to be bent are reduced in the bending part of the pipe fitting 9 to be bent are further improved, and the bending quality and the qualification rate of the pipe fitting 9 to be bent are improved; in addition, when the pipe body part movable round steel 5 is tightly pressed against the pipe fitting 9 to be bent, the pipe body part movable round steel 5 rotates to rub against the pipe fitting 9 to be bent, so that the surface of the pipe fitting 9 to be bent is uniformly distributed under pressure, the friction force between the pipe body part movable round steel 5 and a stress surface between the pipe fitting 9 to be bent can be reduced, the bending resistance is reduced, the bending construction working benefit of the pipe fitting 9 to be bent is improved, and the construction period is saved.
In this embodiment, as shown in fig. 2, the force bar 4 is an "F-shaped" bar, and the F-shaped force bar 4 includes a first strut 6 and a second strut 7,F, where the force bar 4 is convenient for positioning, rotating and swinging operations, and is time-saving and labor-saving in operation.
Further, as shown in fig. 1, an insertion hole 20 is formed in the axial direction of the bending part positioning round steel 2, and the formed insertion hole 20 is rotationally connected with the first support rod 6, so that the F-shaped stress application rod 4 is rotationally connected with the bending part positioning round steel 2 through the first support rod 6, and the F-shaped stress application rod 4 can perform positioning, rotating and swinging operations along the bending part positioning round steel 2.
Further, as shown in fig. 2, the tail end of the second strut 7 is sleeved with the movable round steel 5 of the pipe body, and the movable round steel 5 of the pipe body is conveniently connected to the second strut 7 in a rotating manner, so that the movable round steel 5 of the pipe body can rotate, rub and conflict the pipe fitting 9 to be bent, the problem of singleness of stress points of the pipe fitting 9 to be bent is solved, the surface of the pipe fitting 9 to be bent is protected in the bending process, meanwhile, friction force with a stress surface between the pipe fitting 9 to be bent can be reduced, and bending resistance is reduced.
In this embodiment, as shown in fig. 1, the widths of the notches of the first ring groove 21, the second ring groove 30 and the third ring groove 50 are consistent, so that the pipe fitting 9 to be bent is convenient to buckle and stable, the surface stress of the pipe fitting 9 to be bent is uniform in the bending process, and therefore the defects of section deformation and shrinkage quality of the pipe body of the bent part of the pipe fitting 9 to be bent are reduced.
In this embodiment, as shown in fig. 3, the surface of the base plate 1 is respectively provided with a U-shaped fixed angle scale 10, a 90-degree fixed angle scale 11 and a 45-degree fixed angle scale 12, and positions of the U-shaped fixed angle scale 10, the 90-degree fixed angle scale 11 and the 45-degree fixed angle scale 12 are laid in advance, so that the pipe fitting 9 to be bent can be bent into a U shape or be adapted to 90 degrees or 45 degrees respectively, and other fixed angle scales can be added as required, so that the application range is wide, the pipe fitting 9 to be bent can be bent according to the fixed angle scale, the bending angle accuracy of the pipe fitting 9 to be bent can be controlled and improved, and the construction process and the construction efficiency are improved.
In this embodiment, as shown in fig. 1, one end of a positioning steel pipe 8 is fixedly connected to the bottom wall of the bottom plate 1, and the positioning steel pipe 8 is configured to be convenient for quickly fixing the bottom plate 1 at a processing position, so that the bending device is quickly fixed at a suitable position.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. An instrument tube constant angle bending device, comprising:
the pipe body positioning round steel (3) is fixedly arranged on the bottom plate (1), the pipe body positioning round steel (3) is arranged on one side of the bending part positioning round steel (2), a first annular groove (21) is formed in the bending part positioning round steel (2), and a second annular groove (30) is formed in the pipe body positioning round steel (3);
one end of the stressing rod (4) is rotationally connected with the bending part positioning round steel (2) so as to drive the stressing rod (4) to rotationally swing along the bending part positioning round steel (2);
the movable round steel (5) of the pipe body part is placed on the bottom plate (1) and is rotationally connected with one end of the stress application rod (4) away from the positioning round steel (2) of the bending part, and the movable round steel (5) of the pipe body part is provided with a third annular groove (50).
2. A constant angle bending apparatus for instrumentation tubes according to claim 1, wherein said force bar (4) is an "F-shaped" bar, and wherein said force bar (4) comprises a first strut (6) and a second strut (7).
3. The constant angle bending device of the instrumentation tube according to claim 2, wherein the bending part positioning round steel (2) is provided with an inserting hole (20) in the axial direction, and the inserting hole (20) is rotationally connected with the first supporting rod (6).
4. A constant angle bending apparatus for instrumentation tubes according to claim 3, wherein the tail end of the second strut (7) is sleeved with the movable round steel (5) of the tube body.
5. The constant angle bending device of the instrumentation tube according to claim 1, wherein the first ring groove (21), the second ring groove (30) and the third ring groove (50) are provided with the same notch width.
6. The constant angle bending device of the instrumentation tube according to claim 1, wherein the surface of the bottom plate (1) is respectively provided with a U-shaped constant angle scale (10), a 90-degree constant angle scale (11) and a 45-degree constant angle scale (12).
7. The constant angle bending device of the instrumentation tube according to claim 1, wherein one end of a positioning steel tube (8) is fixedly connected to the bottom wall of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794153.9U CN220479844U (en) | 2023-07-10 | 2023-07-10 | Constant-angle bending device for instrumentation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321794153.9U CN220479844U (en) | 2023-07-10 | 2023-07-10 | Constant-angle bending device for instrumentation tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220479844U true CN220479844U (en) | 2024-02-13 |
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ID=89827259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321794153.9U Active CN220479844U (en) | 2023-07-10 | 2023-07-10 | Constant-angle bending device for instrumentation tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220479844U (en) |
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2023
- 2023-07-10 CN CN202321794153.9U patent/CN220479844U/en active Active
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