CN219293192U - Split type pipeline centering fixture - Google Patents

Abstract

The utility model discloses a split pipeline centering clamp, relates to the technical field of pipeline installation, and solves the technical problem that a pipeline is difficult to center on a ship. The axial tensioning and adjusting mechanism comprises at least two groups of slotted eye plates and tensioning screws, the notch of each slotted eye plate is away from the ring body, one end of each tensioning screw is rotatably connected to the outer periphery of the ring body, the tensioning screws are provided with tensioning nuts, the ring body is provided with a first axial section, and the arrangement positions of the tensioning screws and the slotted eye plates on the ring body in each group are symmetrical compared with the first axial section. The pipeline centering device is suitable for the pipeline size commonly used on a ship, can be quickly installed, can quickly adjust and fix the pipeline to be centered, reduces the site construction strength to the maximum extent, improves the pipeline installation efficiency, and has the advantages of stable work, excellent performance and simple maintenance.

Description

Split type pipeline centering fixture

Technical Field

The utility model relates to the technical field of pipeline installation, in particular to a split pipeline centering clamp.

Background

When the pipeline is manufactured in a workshop, the pipeline can be centered by means of tools such as a pipe calibrating platform, an X-shaped frame and the like, but when the pipeline is installed on a ship and needs centering, due to the limitation of construction environment, the pipeline auxiliary centering device is not needed, and the pipeline is required to be manually held or the pipeline is required to be positioned under the pipeline by a jack or a skid and other supporting objects to assist the pipeline positioning, so that the problems of complex operation, time and labor waste and poor centering precision exist, and the subsequent pipeline welding efficiency and welding quality are affected.

Disclosure of Invention

The application provides a split type pipeline centering anchor clamps to solve above-mentioned technical problem.

The application provides a split type pipeline centering anchor clamps, including the ring body and install in radial compression adjustment mechanism, the taut adjustment mechanism of axial, radial compression adjustment mechanism is so that the ring body is with wearing to locate the interior pipe fitting of ring in radial on relatively fixed, the taut adjustment mechanism of axial includes two sets of fluting eye plates and tensioning screw, the notch of fluting eye plate deviates from the ring body, tensioning screw one end rotatable coupling is in ring body periphery department, tensioning screw installs the tensioning nut, wherein, the ring body has first axial cross section, the arrangement position homogeneous phase of tensioning screw and fluting eye plate on the ring body in each group is than first axial cross section symmetry.

Optionally, the axial tensioning adjustment mechanism comprises two sets of slotted eye plates and tensioning screws, the two slotted eye plates and the two tensioning screws being arranged on the outer periphery of the ring body at intervals of 90 °.

Optionally, the radial compression adjustment mechanism is disposed on the ring body at a first axial cross section.

Optionally, the ring body comprises two half tile bodies, one ends of the two half tile bodies are rotatably connected, the other ends of the two half tile bodies are detachably connected, and the radial compression adjusting mechanism and the axial tensioning adjusting mechanism are arranged on the half tile bodies.

Optionally, one end of the two half-tiles is detachably connected, including: the ends of the two half-watt bodies are provided with eye rings, and locking bolts and locking nuts are arranged on the eye rings so as to realize the detachable connection of the two half-watt bodies.

Optionally, one end of the two half-tiles is rotatably connected, including: the two half-tiles are rotatably connected through a hinge.

Optionally, the channel of the slotted eye plate is a U-shaped slot, and the length direction of the U-shaped slot is the same as the axial direction of the ring body.

Optionally, radial compression adjustment mechanism includes lift type convex clamp plate and convex collet in ring body inner edge upper and lower side respectively, and lift type convex clamp plate includes:

the fixed internal thread sheath is fixedly arranged on the ring body;

the lifting screw rod penetrates through the fixed internal thread sheath and is in threaded connection with the fixed internal thread sheath; and

the circular arc-shaped pressing plate is arranged on the inner side of the ring body and is connected with one end of the lifting screw rod through a spherical hinge;

the circular arc pressing plate and the circular arc bottom support are respectively abutted against the pipe fitting penetrating through the ring body through the lifting screw, so that the ring body and the pipe fitting penetrating through the ring body are relatively fixed in the radial direction.

Optionally, rubber gaskets are respectively arranged on the inner side of the circular arc-shaped pressing plate and the inner side of the circular arc-shaped bottom support.

Optionally, the ring body is made of carbon steel.

The beneficial effects of the application are as follows: the split type pipeline centering clamp comprises a ring body, a radial compression adjusting mechanism and an axial tensioning adjusting mechanism, wherein the radial compression adjusting mechanism and the axial tensioning adjusting mechanism are arranged on the ring body, when the split type pipeline centering clamp is used, the two clamps are respectively sleeved at the end parts of two pipe fittings to be centered, the clamps are relatively fixed with the pipe fittings in the radial direction through the radial compression adjusting mechanism, the two pipe ports are aligned through the axial tensioning adjusting mechanism, the tensioning screw rod of one clamp is sleeved in the channel of the slotted eye plate of the other clamp, and the tensioning nut is screwed in to enable the tensioning nut to be in tight contact with the slotted eye plate, so that the clearance between the two pipe ports is tightened to meet the centering clearance requirement, and the pipeline centering is completed; the clamp is suitable for the pipeline size commonly used on a ship, is simple in structure and convenient to operate, can be quickly installed, can quickly adjust and fix pipelines to be centered, reduces the site construction intensity to the maximum extent, improves the pipeline installation efficiency, and has the advantages of being stable in work, excellent in performance and simple in maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present utility model.

Fig. 1 is a schematic structural view of a split pipeline centering fixture provided in the present application;

fig. 2 is a detailed schematic diagram of the structure shown in fig. 1.

The drawings are marked: 100-ring body, 110-first shaft section, 120-half-tile body, 130-eye ring, 131-locking bolt, 132-locking nut, 140-hinge, 200-radial compression adjustment mechanism, 210-arc-shaped bottom support, 220-lifting arc-shaped pressing plate, 221-fixed internal thread sheath, 222-lifting screw rod, 223-spherical hinge, 224-arc-shaped pressing plate, 300-axial tension adjustment mechanism, 310-slotted eye plate, 311-notch, 320-tension screw rod and 321-tension nut.

Detailed Description

The embodiment of the application solves the technical problem that the pipeline is difficult to center on a ship to influence subsequent welding in the related art by providing the split pipeline centering clamp.

The technical scheme in the embodiment of the application aims to solve the technical problems, and the overall thought is as follows:

the utility model provides a split type pipeline centering anchor clamps, including the ring body and install in radial compression adjustment mechanism, the taut adjustment mechanism of axial, radial compression adjustment mechanism is so that the ring body is fixed relatively in radial with wearing to locate the pipe fitting in the ring body, the taut adjustment mechanism of axial includes slotted eye board and the taut screw rod of two at least groups, the notch of slotted eye board deviates from the center of ring body, taut screw rod one end rotatable coupling is in ring body periphery department, the taut screw rod is installed and is strained the nut, wherein, the ring body has first axial cross section, the taut screw rod of each group and the arrangement position of slotted eye board on the ring body are all compared first axial cross section symmetry.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Referring to fig. 1, the embodiment discloses a split type pipeline centering fixture, which comprises a ring body 100, a radial compression adjusting mechanism 200 and an axial tensioning adjusting mechanism 300, wherein the radial compression adjusting mechanism 200 and the axial tensioning adjusting mechanism 300 are installed on the ring body 100.

Referring to fig. 1 and 2 in combination, the radial compression adjustment mechanism 200 is configured to fix the ring body 100 and a pipe fitting penetrating through the ring body 100 in a radial direction, the axial tensioning adjustment mechanism 300 includes at least two groups of slotted eye plates 310 and tensioning screws 320, the different groups are distributed at intervals in the circumferential direction of the ring body 100, the notches 311 of the slotted eye plates 310 are away from the ring body 100, one end of the tensioning screws 320 is rotatably connected to the outer periphery of the ring body 100, and the tensioning screws 320 are provided with tensioning nuts 321, wherein the ring body 100 has a first axial section 110, and the arrangement positions of the tensioning screws 320 and the slotted eye plates 310 in each group on the ring body 100 are symmetrical with respect to the first axial section 110. As shown in fig. 2, there is shown a version of an axial tensioning adjustment mechanism 300 comprising two sets of slotted eye plates 310 and tensioning screws 320, and showing the position of the first axial section 110.

In detail, a use method of the clamp is disclosed, so as to supplement and explain the technical characteristics of the clamp as follows: for two pipes to be centered, respectively sleeving the end parts of the pipes with the clamps, wherein the clamps are closer to the pipe ends by 30mm; the tightening screw 320 on the clamp is sleeved on the slotted eye plate 310 of the opposite clamp, and the tightening nut 321 is properly tightened to relatively fix the two clamps; by operating the radial compression adjustment mechanism 200, the pipe fitting and the ring body 100 of the clamp are relatively fixed in the radial direction, and a rubber hammer or manual shaking pipeline can be used for checking whether the pipeline is fixed in the radial direction; tightening the tightening nut 321 on the tightening screw 320 to tighten the gap between the two pipe ports to meet the requirement of centering the gap, and completing the pipeline centering.

The clamp is suitable for the pipeline size commonly used on a ship, is simple in structure and convenient to operate, can be quickly installed, can quickly adjust and fix pipelines to be centered, reduces the site construction intensity to the maximum extent, improves the pipeline installation efficiency, and has the advantages of being stable in work, excellent in performance and simple in maintenance.

The above method of operation involves the process of tightening the screws 320 of one clamp over the channels of the slotted eye 310 of the other clamp. When the axial tensioning adjustment mechanism 300 is provided with only one set of slotted eye 310 and tensioning screw 320, then the slotted eye 310 and tensioning screw 320 need to be spaced 180 ° apart in the circumferential direction of the ring body 100 to enable the two clamps to engage each other with the slotted eye 310 and tensioning screw 320. When the axial tensioning adjustment mechanism 300 is provided with two or more sets of slotted eye plates 310 and tensioning screws 320, it is also necessary to define the positions of the slotted eye plates 310 and the tensioning screws 320 so that the two clamps can cooperate with each other to achieve the cooperation of the slotted eye plates 310 and the tensioning screws 320.

Specifically, when the axial tensioning adjustment mechanism 300 is provided with two or more sets of slotted eye plates 310 and tensioning screws 320, the ring body 100 presents a first axial section 110, and the arrangement positions of the tensioning screws 320 and the slotted eye plates 310 on the ring body 100 in each set are symmetrical with respect to the first axial section 110. Wherein fig. 2 shows a first axial section 110 of the ring body 100.

Referring to fig. 2, in one embodiment, the axial tensioning adjustment mechanism 300 includes two sets of slotted eye plates 310 and tensioning screws 320, the two slotted eye plates 310 and the two tensioning screws 320 being disposed on the outer periphery of the ring body 100 at 90 ° intervals, the first axial section 110 is shown in fig. 2, the slotted eye plates 310 located at the upper left and the tensioning screws 320 located at the upper right in fig. 2 being in a set, and the tensioning screws 320 located at the lower left and the slotted eye plates 310 located at the lower right being in a set.

Alternatively, the channels of slotted eye 310 are provided in a U-shaped slot with the length of the U-shaped slot being the same as the axial direction of ring body 100, so that the cross-sectional profile of the channels of slotted eye 310 are provided in a U-shape to mate well with the shaft of the screw.

Regarding the split pipe centering clamp of the present embodiment, the main body structure may be made of high-quality carbon steel, including the main body, the tension screw 320, the slotted eye plate 310, etc., with excellent strength.

Referring to fig. 2, the tightening screw 320 is connected to the ring 100 by a bolt, so that the tip of the tightening screw 320 is swingably disposed.

To facilitate the fitting of the clamp ring to the pipe, as shown in fig. 1 and 2, the ring body 100 may alternatively include two half-segment bodies 120, one end of the two half-segment bodies 120 may be rotatably connected, and the other end may be detachably connected, and the radial compression adjustment mechanism 200 and the axial tension adjustment mechanism 300 may be mounted to the half-segment bodies 120. When the clamp ring is sleeved on the end of the pipe fitting, one end of the two half-tile bodies 120 is detached first, and the two half-tile bodies are connected after being sleeved.

Referring to fig. 2, one end of the two half-tiles 120 may be rotatably connected by a hinge 140.

Referring to fig. 2, one end of the two half-tile bodies 120 can be detachably connected by bolts and nuts, specifically, the end of the two half-tile bodies 120 are provided with eye rings 130, and locking bolts 131 and locking nuts 132 are installed in the eye rings 130 to realize the detachable connection of the two half-tile bodies 120.

Alternatively, referring to fig. 2, the radial compression adjustment mechanism 200 is disposed at the first axial section 110 of the ring body 100, and the slotted eye 310 and the tensioning screw 320 are disposed on two sides of the radial compression adjustment mechanism 200, respectively, so as to maintain symmetry of the structure.

Regarding the radial compression adjustment mechanism 200, the simplest manner of tightening the pipe with the bolt can be adopted, which is only slightly rough and has poor effect.

Referring to fig. 2, the radial compression adjustment mechanism 200 includes a lifting circular arc-shaped pressing plate 220 and a circular arc-shaped bottom bracket 210 on the upper and lower sides of the inner edge of the ring body 100, wherein the lifting circular arc-shaped pressing plate 220 includes a fixed internal thread sheath 221, a lifting screw 222 and a circular arc-shaped pressing plate 224, the fixed internal thread sheath 221 is fixedly mounted on the ring body 100, the lifting screw 222 is threaded through the fixed internal thread sheath 221 and is in threaded connection with the fixed internal thread sheath 221, the circular arc-shaped pressing plate 224 is disposed on the inner side of the ring body 100, and the circular arc-shaped pressing plate 224 is connected with one end of the lifting screw 222 through a spherical hinge 223.

In the above process of relatively fixing the pipe fitting and the ring body 100 of the fixture in the radial direction by operating the radial compression adjustment mechanism 200, specifically: the lifting screw 222 of the clamp is screwed, so that the circular arc-shaped pressing plate 224 presses the pipe fitting, the pipe fitting is attached to the circular arc-shaped collet 210, the circular arc-shaped pressing plate 224 and the circular arc-shaped collet 210 respectively abut against the pipe fitting penetrating through the ring body 100 through the lifting screw 222, and the ring body 100 and the pipe fitting penetrating through the ring body 100 are relatively fixed in the radial direction; after screwing, the pipe fitting can be manually shaken by using a rubber hammer to check whether the pipeline is well fixed in the radial direction.

The spherical hinge 223 is provided to avoid the disadvantage that the circular arc-shaped pressing plate 224 rotates with the lifting screw 222 when the lifting screw is screwed in or out.

After the above operation, it is also possible to perform: checking whether a gap exists among the circular arc-shaped pressing plate 224, the circular arc-shaped collet 210 and the pipe fitting, and if so, continuing to screw in the lifting screw 222 until the gap is eliminated.

Optionally, rubber gaskets are respectively mounted on the inner side of the circular arc-shaped pressing plate 224 and the inner side of the circular arc-shaped bottom bracket 210, so as to avoid direct contact with metal pieces.

To sum up, the split type pipeline centering fixture provided by the embodiment is used for centering two pipeline axes with the same diameter, is suitable for pipelines with various common specifications of ships, is an adjustable pipeline centering fixture capable of being quickly installed and operated on a ship, is suitable for pipelines with the outer diameter of 22-89 mm, and has centering accuracy which meets the requirement that the offset of the centering axes of the two pipelines is less than or equal to 1.5mm, thereby being beneficial to subsequent welding, welding efficiency and welding quality and improving pipeline installation efficiency.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (10)

1. A split pipeline centering fixture, comprising:

a ring body;

the radial compression adjusting mechanism is arranged on the ring body so that the ring body and the pipe fitting penetrating through the ring body are relatively fixed in the radial direction; and

the axial tensioning and adjusting mechanism comprises at least two groups of slotted eye plates and tensioning screws, the notch of each slotted eye plate is away from the ring body, one end of each tensioning screw is rotatably connected to the outer periphery of the ring body, each tensioning screw is provided with a tensioning nut, a first axial section exists in the ring body, and the arrangement positions of each tensioning screw and each slotted eye plate on the ring body are symmetrical compared with the first axial section.

2. The split line centering clamp of claim 1, wherein the axial tension adjustment mechanism includes two sets of the slotted eye plates and tension screws, the two slotted eye plates and the two tension screws being disposed on the outer periphery of the ring body at 90 ° intervals.

3. The split line-centering clamp of claim 2, wherein the radial compression adjustment mechanism is disposed on the ring body at the first axial cross-section.

4. The split pipeline centering fixture of claim 1, wherein the ring body comprises two half tile bodies, one ends of the two half tile bodies are rotatably connected, and the other ends of the two half tile bodies are detachably connected, and the radial compression adjustment mechanism and the axial tensioning adjustment mechanism are mounted on the half tile bodies.

5. The split line-centering fixture of claim 4, wherein two of said half-tile body ends are removably connected, comprising: the ends of the two half-tile bodies are provided with eye rings, and locking bolts and locking nuts are arranged on the eye rings so as to realize detachable connection of the two half-tile bodies.

6. The split line-centering fixture of claim 4, wherein two of said half-tile body ends are rotatably connected, comprising: the two half-tile bodies are rotatably connected through a hinge.

7. The split line-centering clamp of claim 1, wherein the channel of the slotted eye plate is a U-shaped slot, and the length direction of the U-shaped slot is the same as the axial direction of the ring body.

8. The split line-centering clamp as claimed in any one of claims 1-7, wherein the radial compression adjustment mechanism includes a lifting circular-arc-shaped pressing plate and a circular-arc-shaped shoe on upper and lower sides of an inner edge of the ring body, respectively, the lifting circular-arc-shaped pressing plate including:

the fixed internal thread sheath is fixedly arranged on the ring body;

the lifting screw rod penetrates through the fixed internal thread sheath and is in threaded connection with the fixed internal thread sheath; and

the circular arc-shaped pressing plate is arranged on the inner side of the ring body and is connected with one end of the lifting screw rod through a spherical hinge;

the lifting screw rod is used for enabling the circular arc-shaped pressing plate and the circular arc-shaped collet to respectively and tightly prop against the pipe fitting penetrating through the ring body, so that the ring body and the pipe fitting penetrating through the ring body are relatively fixed in the radial direction.

9. The split pipeline centering fixture of claim 8, wherein rubber gaskets are respectively mounted on the inner side of the circular arc-shaped pressing plate and the inner side of the circular arc-shaped bottom bracket.

10. The split line-centering fixture of claim 1, wherein the ring body is made of carbon steel.

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