CN217595588U - Straight pipe accurate leveling device with integrated inclined branch pipe - Google Patents
Straight pipe accurate leveling device with integrated inclined branch pipe Download PDFInfo
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- CN217595588U CN217595588U CN202221105218.XU CN202221105218U CN217595588U CN 217595588 U CN217595588 U CN 217595588U CN 202221105218 U CN202221105218 U CN 202221105218U CN 217595588 U CN217595588 U CN 217595588U
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Abstract
The utility model provides a straight pipe accurate leveling device with an integrated inclined branch pipe, wherein an upper gland and a lower gland of a gland component are mutually buckled through nuts and bolts, one side of the gland component extends outwards to form a circular ring for assembling a rotating pipe ring, and the gland component fixedly connected with the straight pipe rotates relative to the rotating pipe ring through a fine adjustment screw; the upper half ring and the lower half ring of the rotating pipe ring are mutually buckled through bolts II, a supporting plate is clamped between the upper half ring and the lower half ring, and the supporting plate can rotate to the lower end of the gland assembly to be matched and linked with the gland assembly. The utility model discloses a rotatory pipe ring links with the cooperation of gland subassembly, realizes two stringways of weight straight tube and only bears positive pressure for the high quick accurate regulation such as horizontal table, has guaranteed that the built-in steel core of initial condition straight tube only bears the normal pressure, and the cast is bent system shaping is effectual, and the curved system in-process of effectual control is responsible for the emergence of taking place torsion phenomenon. The device is suitable for being used as a straight pipe precise leveling device with an integrated inclined branch pipe.
Description
Technical Field
The utility model belongs to nuclear power trunk line makes the field, involves the straight tube before the pipeline is bent and adjusts, especially relates to the device of the accurate leveling of waist line according to before the straight tube of taking integration lateral tube is bent.
Background
The nuclear power is rapidly developed due to the huge advantages, is called three main pillars of electric power energy sources together with thermal power and hydropower at present, and has continuously prominent importance along with the increasing reduction of the reserves of fossil energy sources such as coal, petroleum and the like, while the main pipeline of the nuclear power station is a first-level component of the nuclear power station, and has self-evident importance.
A rigid support is assembled in a straight pipe of a nuclear power main pipeline, when an internal steel core only bears positive pressure, the pipe type state is best, in order to control a bending forming main pipe not to generate a torsion phenomenon, the assembling position of the steel core needs to be strictly controlled before bending, a waist line is marked on the outer wall of the main pipe to serve as a position reference for straight pipe state alignment, the straight pipe before bending is required to fall on a pipe support clamping fixture, and two waist lines of the straight pipe are enabled to be horizontal, namely, the distance from the straight pipe to a working platform of an oil press is equal in height. But owing to receive the influence of integration lateral diagonal, make the straight tube overweight, must take place to deflect with the strap locking handling straight tube, and the conduit saddle is whole foundry goods, can swing along the axle and belong to the moving part, can't restrict the straight tube at the conduit saddle internal rotation, because the angle tolerance that final curved system takes shape is 0.25, the horizontality of two waistlines of initial condition straight tube is vital, so need urgent to study out a frock that can accomplish the accurate regulation of two waistline height differences.
Disclosure of Invention
In order to assist the installation of nuclear power trunk line, the utility model provides a take accurate levelling device of straight tube of integration lateral tube, the device passes through the cooperation linkage of gland subassembly and rotatory collar, solves the straight tube of taking the lateral tube and adjusts the technical problem of installation.
The utility model provides a scheme that technical problem adopted is:
the gland assembly consists of a fine adjustment screw rod, an upper gland, a lower gland, a nut and a bolt, the upper gland and the lower gland are mutually buckled through the nut and the bolt, one side of the gland assembly extends outwards to form a circular ring for assembling the rotary pipe ring, and the gland assembly fixedly connected with the straight pipe rotates relative to the rotary pipe ring through the fine adjustment screw;
the rotary pipe ring mainly comprises a supporting plate, a cushion block, an upper half ring, a lower half ring and a bolt II, wherein the upper half ring and the lower half ring are mutually buckled through the bolt II, the supporting plate is clamped between the upper half ring and the lower half ring, and the supporting plate can rotate to the lower end of the gland assembly to be matched and linked with the gland assembly.
Positive effect, the utility model discloses a rotatory pipe ring links with gland subassembly's cooperation, realizes two stringways of weight straight tube and for the high quick accurate regulation such as horizontal table, has guaranteed that the built-in steel core of initial condition straight tube only bears the normal pressure, and the cast is bent and is made effectually, and the effectual curved in-process of control is responsible for the emergence of taking place torsion phenomenon. The device is suitable for being used as a straight pipe precise leveling device with an integrated inclined branch pipe.
Drawings
FIG. 1 is a schematic diagram of the operation of a straight pipe precise leveling device;
FIG. 2 is a partially enlarged view of an operation schematic diagram of a straight pipe precise leveling device;
FIG. 3 is a front view of the straight tube precise leveling device;
FIG. 4 is a side view of the precise level-adjusting device for the straight pipe;
FIG. 5 is a top view of the precise leveling device for straight pipes;
FIG. 6 is a schematic view of a rotating pipe ring;
FIG. 7 is a side view of a rotating pipe ring;
FIG. 8 is a top view of a rotating pipe ring;
figure 9 is a schematic view of a gland assembly;
figure 10 is a side view of the gland assembly;
figure 11 is a top view of the gland assembly.
In the figure: 1. a support plate; 2. a cushion block; 3. an upper half ring; 4. a lower half ring; 5. a bolt II; 6. fine adjustment of the screw rod; 7. a gland is arranged; 8. a rubber plate; 9. a lower gland; 10. a nut; 11. and (4) bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, all the embodiments, implementations and features of the present invention can be combined with each other without contradiction or conflict. In the utility model, conventional equipment, devices, parts and the like can be purchased commercially or can be self-made according to the content disclosed by the utility model. In the present invention, in order to highlight the emphasis of the present invention, some conventional operations and devices, apparatuses, and components are omitted or only described briefly.
The to-be-solved technical problem of the utility model is under the state that the straight tube lopsided is caused at integration lateral tube to hydraulic press work platform is the benchmark, and the diameter is phi 350mm, and length is 3800mm, takes 1 axis and curved system plane to become the integration nozzle of 45 contained angles, realizes the straight tube around the accurate regulation of axial rotation, makes two stringways that the straight tube outer wall was drawn equal for the height of hydraulic press work platform's distance etc. as the example:
a straight pipe accurate leveling device with an integrated inclined branch pipe comprises a rotating pipe ring and a gland assembly,
the gland assembly is composed of a fine adjustment screw rod 6, an upper gland 7, a lower gland 9, a nut 10 and a bolt 11, the upper gland 7 and the lower gland 9 are mutually buckled through the nut 10 and the bolt 11, the upper gland 7 and the lower gland 9 are both semicircular arc plates with extended edges at two ends, a plurality of through holes are formed in the extended edges, the nut 10 is welded in the through hole at the outer side, other through holes are fixedly connected with the two glands through the bolt, the fine adjustment screw rod 6 is screwed with the upper gland 7 and the lower gland 9 through the nut 10, and the gland assembly fixedly connected with the straight pipe rotates relative to the rotary pipe ring through the fine adjustment screw rod 6; one side of the gland component extends outwards to form a circular ring for assembling the rotary pipe ring;
the gland assembly is also internally sleeved with a rubber plate 8 to protect the straight pipe from scratching the straight pipe.
The rotating pipe ring mainly comprises a supporting plate 1, a cushion block 2, an upper semi-ring 3, a lower semi-ring 4 and a bolt II 5, wherein the upper semi-ring 3 and the lower semi-ring 4 are mutually buckled through the bolt II 5, the supporting plate 1 is clamped between the upper semi-ring 3 and the lower semi-ring 4, and the supporting plate 1 can rotate to the lower end of the gland component and is in linkage with the gland component in a matched mode.
The upper half ring 3 and the lower half ring 4 are both semicircular arc plates with extending parts at two ends, the extending parts are provided with a plurality of corresponding through holes for mutually fastening bolts and clamping the straight pipe, a supporting plate 1 is arranged between bolts II 5 at the tail ends of the extending parts of the upper half ring 3 and the lower half ring 4, a cushion block 2 is arranged between other bolts II 5, the supporting plate 1 is arranged between the extending parts of the upper half ring and the lower half ring in a limiting mode through rotating clamping and sleeving between the bolts II at the tail ends, and the supporting plate 1 can rotate to the lower end of the extending part of the gland component and is matched and linked with the gland component.
The utility model discloses an installation and use:
referring to fig. 1-11, the straight pipe precise leveling device with the integrated inclined branch pipe comprises a gland assembly and a rotating pipe ring, wherein the gland assembly comprises two semicircular arc plate glands with straight extended sides at two ends, nuts 10 are welded at through holes on the outer sides of the left side and the right side of an upper gland 7, and a fine adjustment screw 6 is screwed in. A circular ring is processed on one side of the gland component and used for assembling the rotating pipe ring. In order to realize forward and reverse rotation conveniently, two supporting plates 1 which can be fixed by rotary clamping are respectively arranged on long straight edges on two sides of a rotary pipe ring, one supporting plate 1 is rotated to the position below a gland end plate to be closely attached to the lower portion of the gland end plate according to needs, the rotary pipe ring can drive a gland component to rotate together to finish coarse adjustment of the horizontal position of a straight pipe under the action of external force, and a fine adjustment screw rod 6 is rotated under the condition that the external force is not removed, so that the gland component fixedly connected with the straight pipe can rotate relative to the rotary pipe ring, and fine adjustment is realized.
In the space range of the straight pipe section between the pipe bracket and the pressure head, a rubber plate 8 is laid on the surface of the straight pipe, an upper gland 7 and a lower gland 9 are clamped on the position of the rubber plate 8, pre-tightening force is added through connection of a bolt 11, assembly of a gland assembly is completed at the moment, the farthest end of the extension straight edge section of the gland assembly is arranged in the adjusting stroke range of the jack, the bolt 11 is tightened, and the gland assembly is tightly connected with the straight pipe.
When the rotary pipe ring is assembled, the rotary upper half ring 3 and the rotary lower half ring 4 are oppositely arranged on the matched outer ring of the gland component, the cushion block 2 and the supporting plate 1 are placed between the extended straight edge sections of the upper half ring and the lower half ring, the screw holes are in position correspondence, the straight edges are aligned, and the screw holes are connected through the bolts 5 and pre-tightening force is added. The supporting plate 1 at one side with the lower straight pipe waist line is rotated to the position below the end plate of the gland assembly and is tightly attached, the long edge of the supporting plate 1 at the other side is consistent with the radial direction of the rotating pipe ring, and the bolt 5 of the rotating pipe ring is tightly screwed, so that the relative motion of the rotating pipe ring and the gland assembly is realized, and the technical requirement is met.
The utility model discloses before the installation, need accomplish the handling of straight tube. Before lifting, a polytetrafluoroethylene sheet needs to be padded on the pipe support, the straight pipe is lifted to the pipe support to be placed in a stable state, and the axis of the straight pipe in the pipe support is horizontal to the workbench. In the space range of the straight pipe section between the pipe bracket and the pressure head, two pressure covers are clamped on the straight pipe and connected through a bolt 11, in order to ensure that the pressure cover assembly and the straight pipe do not rotate relatively and protect the surface of the main pipe from scratches, a rubber plate 8 can be padded between the pressure cover assembly and the straight pipe, wherein the size of the rubber plate 8 is reserved for assembling the pressure covers during manufacturing.
During rough adjustment, a manual oil jack is placed on an angle steel welding support, the farthest end of the extended straight edge section of the gland assembly is arranged in the jack adjusting stroke range, a pressing cover bolt 11 is pressed to enable the gland to be tightly connected with a straight pipe, then a rotating pipe ring is assembled, a needed supporting plate 1 is kept to rotate to the position below a gland end plate to be tightly attached to the position, and a bolt II 5 tightly pressing the rotating pipe ring meets the tolerance requirement of relative movement with the gland assembly.
The bottom of the supporting plate 1 of the rotating pipe ring of the jack is used, the rotating pipe ring is made to push the pressing cover assembly to further drive the straight pipe to rotate, the straight pipe can be prevented from rotating heavier during the process of lightly pressing by the aid of an upper pressing head, the jack is adjusted to continuously supplement the stroke in a matched mode through adding a base plate or assembling an angle steel support and the like, the two waist lines of the straight pipe are observed to be approximately the same relative to the height difference of a workbench of an oil press through a plumb hammer in a visual mode until the two waist lines of the straight pipe are observed to be approximately the same, the waist line which is continuously raised is better relatively low, and the external force of the manual jack keeps supporting at the moment.
The height difference of the two waist lines is accurately measured by using the laser tracker and taking the hydraulic press platform as a reference, then the fine adjustment screw 6 is rotated to perform fine adjustment by referring to the graduated scale, and the check is performed by matching with the laser tracker until the horizontal water level of the two waist lines of the straight pipe is equal to the height. If the pipe needs to rotate in the opposite direction, only the bolts II 5 of the rotary pipe ring need to be loosened, the supporting plate 1 is folded, the other supporting plate 1 is screwed out to be tightly attached to the lower part of the gland end plate, the bolts II 5 are tightened, and the other bolts II 5 are tightened according to the requirement of the matching tolerance of the gland assembly. The above-described operation of the adjustment or fine adjustment screw 6 of the hand jack is then repeated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A straight pipe accurate leveling device with an integrated inclined branch pipe is characterized by comprising a rotary pipe ring and a gland assembly,
the gland component consists of a fine adjustment screw rod (6), an upper gland (7), a lower gland (9), a nut (10) and a bolt (11), the upper gland (7) and the lower gland (9) are mutually buckled through the nut (10) and the bolt (11), one side of the gland component extends outwards to form a circular ring for assembling a rotary pipe ring, and the gland component fixedly connected with the straight pipe rotates relative to the rotary pipe ring through the fine adjustment screw rod (6);
the rotating pipe ring mainly comprises a supporting plate (1), a cushion block (2), an upper half ring (3), a lower half ring (4) and a bolt II (5), wherein the upper half ring (3) and the lower half ring (4) are mutually buckled through the bolt II (5), the supporting plate (1) is clamped between the upper half ring (3) and the lower half ring (4), and the supporting plate (1) can rotate to the lower end of a gland component and is matched with the gland component for linkage.
2. The precise leveling device for a straight pipe with an integrated inclined branch pipe according to claim 1,
the upper gland (7) and the lower gland (9) are both semicircular arc plates with extending edges at two ends.
3. The straight pipe accurate leveling device with integral diagonal branch pipe according to claim 2,
go up gland (7) and lower gland (9) extension limit and seted up a plurality of through-holes, the outside through-hole welding has nut (10), and other through-holes pass through two glands of bolt fixed connection, and gland (7) and lower gland (9) are connected soon through nut (10) in fine setting screw rod (6).
4. The precise leveling device for a straight pipe with an integrated inclined branch pipe according to claim 1,
the upper half ring (3) and the lower half ring (4) are both semicircular arc plates with extending parts at two ends.
5. The precise leveling device for the straight pipe with the integrated inclined branch pipe as claimed in claim 4,
the extension part is provided with a plurality of corresponding through holes for mutually buckling bolts and fastening and fixing the straight pipe clamp,
a supporting plate (1) is arranged between bolts II (5) at the tail ends of the extension parts of the upper half ring (3) and the lower half ring (4), and a cushion block (2) is arranged between other bolts II (5).
6. The precise leveling device for the straight pipe with the integrated inclined branch pipe as claimed in claim 5,
the supporting plate (1) is limited and installed between the extending parts of the upper and lower semi-rings by a rotary clamping device sleeved between the tail end bolts II, so that the supporting plate (1) can rotate to the lower end of the extending part of the gland component and is matched and linked with the gland component.
7. The precise leveling device for the straight pipe with the integrated inclined branch pipe according to claim 1, wherein a rubber plate (8) is further sleeved in the gland assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105218.XU CN217595588U (en) | 2022-05-10 | 2022-05-10 | Straight pipe accurate leveling device with integrated inclined branch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221105218.XU CN217595588U (en) | 2022-05-10 | 2022-05-10 | Straight pipe accurate leveling device with integrated inclined branch pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217595588U true CN217595588U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221105218.XU Active CN217595588U (en) | 2022-05-10 | 2022-05-10 | Straight pipe accurate leveling device with integrated inclined branch pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217595588U (en) |
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2022
- 2022-05-10 CN CN202221105218.XU patent/CN217595588U/en active Active
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