Disclosure of Invention
In order to solve the problems, the invention provides a device and a method for centering and positioning a sleeve and fixing a pipeline, which have the advantages of simple structure and convenience in operation, are suitable for combining pipelines and sleeves with different pipe diameters and are convenient to use in a turnover manner.
The invention is realized by the following scheme: a bushing centering and pipe securing device comprising:
the first frame is fixedly provided with a circular ring matched with the outer diameter of the pipeline in the middle;
the second frame is used for positioning a sleeve in the center, the center of the second frame is opposite to the center of the circular ring, at least three top supporting rods with adjustable lengths in the direction pointing to the center of the second frame are arranged on the second frame at intervals in the circumferential direction, and all the top supporting rods are abutted to the outer wall of the sleeve in the state that the sleeve is positioned in the second frame;
and the connecting rods are connected between the first frame and the second frame and are arranged at intervals.
The sleeve centering positioning and pipeline fixing device is further improved in that the top support rods are provided with external threads, and internal thread holes matched with the external threads are formed in positions, corresponding to each top support rod, on the second frame.
The sleeve centering positioning and pipeline fixing device is further improved in that the rod body of the top support rod is in a rectangular column shape and comprises two parallel and opposite tangent planes and two arc-shaped planes arranged between the two tangent planes, scales used for marking the length of the top support rod are arranged on the two tangent planes, and the external threads are arranged on the two arc-shaped planes.
The sleeve centering positioning and pipeline fixing device is further improved in that the top support rods comprise core rods, sleeves for sleeving the core rods and bolts for fixing the core rods and the sleeves, bolt holes for the bolts to insert are formed in the core rods and the sleeves at intervals along the length direction, and limiting holes for the core rods to penetrate through are formed in positions, corresponding to the top support rods, of the second frame.
The sleeve centering positioning and pipeline fixing device is further improved in that one end, facing the center of the second frame, of the top supporting rod is provided with a propping gasket.
The sleeve centering positioning and pipeline fixing device is further improved in that the connecting rods are fixed on the second frame, and sleeves for inserting the corresponding connecting rods are fixed on the first frame corresponding to the connecting positions of the connecting rods.
The casing pipe centering positioning and pipeline fixing device is further improved in that the first frame and the second frame are both equilateral triangles, the number of the top support rods is three, the three top support rods are respectively arranged along the middle lines of three side lengths of the second frame, the number of the connecting rods is three, and the three connecting rods are respectively connected between three vertexes of the first frame and three vertexes of the second frame.
The sleeve centering positioning and pipeline fixing device is further improved in that splayed angle braces are fixed at three vertexes of the second frame.
The invention also provides a method for centering, positioning and fixing the sleeve and the pipeline, which comprises the following steps:
providing the sleeve centering and positioning and pipeline fixing device;
placing a sleeve into a second frame, synchronously adjusting the length of each supporting rod, and driving the sleeve to move so that the center of the sleeve is superposed with the center of the second frame;
the pipe is passed through the ring of the first frame.
The further improvement of the method for centering and positioning the sleeve and fixing the pipeline of the invention is that:
marking the current position of the second frame after the center of the sleeve is overlapped with the center of the second frame;
maintaining the second frame at the marked position during the passage of the pipe through the annulus of the first frame.
The present invention includes but is not limited to the following benefits:
1. through the setting of length adjustable top stay bar for the second frame is applicable to and carries out location placed in the middle to the sleeve pipe of different pipe diameters.
2. Through the setting of first frame and ring for can fix the pipeline when passing the pipeline, guarantee that sleeve pipe and pipeline remain coaxial throughout. Further, through the dismantled connection of first frame and connecting rod for first frame is convenient for change, so that fix the pipeline of different pipe diameters.
3. The first frame and the second frame of the triangular structure and the reinforcing arrangement of the splayed angle brace ensure the stability of the device, so that the device can bear the stress from the horizontal direction of the pipeline to a certain extent.
Detailed Description
In order to solve the problems that the sleeve is not easy to center in the construction process and the pipeline still deviates from the center of the sleeve during pipeline construction after centering, the invention provides the device and the method for centering and positioning the sleeve and fixing the pipeline, which have the advantages of simple structure and convenient operation, are suitable for the combination of pipelines and sleeves with different pipe diameters and are convenient for turnover use.
The sleeve centering and conduit securing apparatus and method are further described in the following with reference to the accompanying drawings.
Referring to fig. 1, a bushing centering and positioning and pipe fixing device includes:
the pipeline comprises a first frame 1, wherein a circular ring 11 matched with the outer diameter of a pipeline is fixed in the center of the first frame 1;
the second frame 2 is used for positioning the sleeve 3 in the middle, the center of the second frame 2 is opposite to the center of the circular ring 11, at least three top support rods 22 with adjustable lengths in the direction pointing to the center of the second frame 2 are arranged on the second frame 2 at intervals along the circumferential direction, and all the top support rods 22 are propped against the outer wall of the sleeve 3 in the state that the sleeve 3 is positioned in the second frame 2;
at least two connecting rods 4 connected between the first frame 1 and the second frame 2, wherein at least two connecting rods 4 are arranged at intervals.
Specifically, in the present embodiment, the first frame 1 and the second frame 2 are both equilateral triangles, the number of the top support rods 22 is three, three top support rods 22 are respectively disposed along the center lines of three side lengths of the second frame 2, the number of the connecting rods 4 is three, and three connecting rods 4 are respectively connected between three vertices of the first frame 1 and three vertices of the second frame 2. The internal diameter of this ring 11 equals with the pipeline external diameter, and the internal diameter of this sleeve pipe 3 is greater than the external diameter of this pipeline, and three this top vaulting pole 22 wears to locate the three length of side of this second frame 2 perpendicularly respectively, and when the length of adjustment top vaulting pole 22, the length that makes three top vaulting pole stretch into corresponding length of side equals to guarantee the center of this sleeve pipe 3 and the center coincidence of this second frame 2, and then when guaranteeing to pass this ring 11 with the pipeline, this sleeve pipe 3 and this pipeline are on same axis, in order to realize the sheathed tube location placed in the middle.
The second frame 2 can be suitable for centering the sleeves 3 with different pipe diameters by arranging the top support rod 22 with adjustable length, the pipeline can be fixed when the pipeline passes through the first frame 1 and the circular ring 11, and the sleeves 3 and the pipeline are ensured to be coaxial all the time.
In a preferred embodiment, the top supporting rod 22 is provided with an external thread, and the second frame 2 is provided with an internal thread hole 23 corresponding to each top supporting rod 22.
Specifically, a connecting plate is fixed to each side of the second frame 2, and the internal threaded hole 23 is opened in the corresponding connecting plate. The purpose that the lengths of the three top support rods 22 extending into the corresponding side lengths are equal is achieved by adjusting the screwing depth of the top support rods 22. Preferably, in order to better observe and control the length of the top support rod 22 extending into the corresponding side length, in this embodiment, the rod body of the top support rod is in a rectangular column shape, and includes two parallel and opposite tangent planes and two arc-shaped surfaces arranged between the two tangent planes, the two tangent planes are provided with scales M for identifying the length of the top support rod 22, the two arc-shaped surfaces are provided with the external threads, specifically, the common screw rod can be cut, and the scales M are arranged on the cut surfaces.
The length-adjustable structure of the top stay 22 is not limited to the above-mentioned embodiment, and other structures capable of realizing corresponding functions may be adopted, for example, the present invention further provides a structure of the top stay 22: the top support rod comprises a core rod, a sleeve for sleeving the core rod and a bolt for fixing the core rod and the sleeve, bolt holes for the bolt to insert are formed in the core rod and the sleeve at intervals along the length direction, and a limiting hole for the core rod to pass through is formed in the position, corresponding to each top support rod, of the second frame.
In a preferred embodiment, the end of the top stay 22 facing the center of the second frame 2 is provided with a top pad 24. Specifically, this support gasket 24 can adopt the rubber gasket, increases the support area on the one hand, guarantees the reliability of supporting, and on the other hand adopts soft rubber material, when increasing frictional force, can also protect casing 3 not worn and torn.
As a preferred embodiment, the connecting rods 4 are fixed on the second frame 2, and a sleeve 12 for inserting the corresponding connecting rod 4 is fixed on the first frame 1 at a position corresponding to the connecting position of each connecting rod 4. Through the first frame 1 and the connecting rod 4 can dismantle the connection form, be convenient for change this first frame 1, change into the first frame 1 that has different radius rings 11 to be applicable to the fixed to the pipeline of different pipe diameters. When the size of the first frame 1 is less than that of the second frame 2, the diameter of the sleeve 12 can be set to be the same as that of the connecting pipe 4, and then the first frame 1 and the connecting rod 4 are connected by adopting a connecting piece, specifically, the connecting piece is in a strip plate shape, a plurality of jacks for plugging the sleeve 12 and the connecting rod 4 are arranged at intervals along the length direction, and the sleeve 12 and the connecting rod 4 are respectively plugged by selecting suitable jacks, so that the connecting rod 4 is kept in a state of being vertical to the first frame 1 and the second frame 2 at the same time, and the sleeve 3 is further ensured to be coaxial with a pipeline, and the purpose of centering positioning is achieved.
In a preferred embodiment, splayed gussets 21 are fixed to three apexes of the second frame 2. The angle support 21 is arranged to ensure the stability of the device when in use. In addition, the device in the embodiment is preferably made of a steel structure, and the structural strength of the device is further enhanced, so that the device can bear the stress in the horizontal direction of the pipeline when in use.
The invention also provides a method for centering, positioning and fixing the sleeve and the pipeline, which comprises the following steps:
providing the sleeve centering and positioning and pipeline fixing device;
placing the sleeve 3 into the second frame 2, synchronously adjusting the length of each top brace 22, and driving the sleeve 3 to move, so that the center of the sleeve 3 is superposed with the center of the second frame 2;
the pipe is passed through the ring 11 of the first frame 1. And finishing the centering positioning.
As a preferred embodiment:
marking the current position of the second frame 2 after the center of the sleeve 3 is overlapped with the center of the second frame 2;
the second frame 2 is kept in the marked position during the passage of the pipe through the circular ring 11 of the first frame 1.
The method does not need to fix the device, is convenient and quick to operate and is convenient to use in a turnover mode.
While the present invention has been described in detail and with reference to the embodiments thereof as shown in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.