CN111043424A

CN111043424A - Large-sized plastic pipeline butt joint installation device

Info

Publication number: CN111043424A
Application number: CN201811182086.9A
Authority: CN
Inventors: 隽凤辉
Original assignee: Shiyan Junye Trade Co Ltd
Current assignee: Shiyan Junye Trade Co Ltd
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2020-04-21

Abstract

A large plastic pipeline butt joint installation device relates to pipeline installation equipment and comprises two pairs of semicircular ring pairs, two swinging rods and two diagonal draw rods; the semicircular ring pairs are two semicircular rings which can be butted, and the two semicircular ring pairs are sleeved on the excircle of the two pipelines to be installed and then are butted and fastened; the pair of semicircular ring pairs is provided with a swing rod structure, the swing rod structure is characterized in that a circular hole at one end is sleeved on a radial pin shaft of the semicircular ring in a movable fit manner, a diagonal draw bar is also arranged in the middle of the swing rod, a relay circular hole corresponding to a tension circular hole of the swing rod is arranged at one end, and the two circular holes are hinged through bolts; the middle part and the other end of each diagonal draw bar are uniformly distributed with a plurality of U-shaped grooves, and one groove corresponding to each diagonal draw bar is respectively sleeved on the radial pin shaft symmetrical with the other pair of the half circular ring pairs. Has the advantages that: after the two pairs of semi-circular rings are respectively installed on the two pipes to be connected, the two pipes are uniformly stressed to make translational displacement insertion when the swinging rod is rotated, and the operation is convenient and the efficiency is high.

Description

Large-sized plastic pipeline butt joint installation device

Technical Field

The invention relates to pipeline installation equipment, in particular to a pipeline butt joint installation device.

Background

The large-scale plastic pipeline one end is the pipe orifice of pipe diameter such as, and the other end is to the interface, and the interface structure is the step pipeline section, and step pipeline section structure internal diameter is slightly bigger than the pipe diameter, and the inner wall has a groove to be used for installing the rubber circle, and the rubber circle is ring shape barb form, inserts back rubber circle and laminates with it when another pipeline, and the barb effect lies in receiving water pressure more its sealing performance better.

When the large-sized pipeline is installed, the large-sized pipeline cannot be manually inserted due to heavy weight. The pipe to be installed is placed at one end of the installed pipe by a crane, then two steel wire ropes are respectively tied to an outer ring at the outer diameters of the two pipes, then the steel wire ropes led out from the locking points of the outer ring are respectively tied to two ends of a chain block, then the chain block acts to reduce the distance between the two locking points, and one pipe is forced to be inserted into the step pipe section of the other pipe. The installation method has the following problems that the pipeline bears opposite pulling force in the direction of the steel wire rope due to the opposite pulling of the two locking points, the pipeline is inclined towards one side of the locking points instead of the uniform stress on the periphery of the whole pipeline, two pipe orifices are crossed at a small angle, the opposite joint ports need to be supported manually, and the construction difficulty is high.

Disclosure of Invention

The invention aims to overcome the defects and provide a large plastic pipeline butt joint installation device.

The scheme of the invention is as follows: the device comprises two pairs of semi-circular ring pairs, two swinging arms and two diagonal draw bars, and is characterized in that: the semicircular ring pairs are two semicircular rings which can be butted, the inner diameter of each semicircular ring is slightly smaller than the outer diameter of the pipe to be installed, the two ends of each semicircular ring are provided with butt joint fastening devices, and the two pairs of semicircular ring pairs are sleeved on the outer circles of the two pipes to be installed and then fastened by the butt joint fastening devices; a radial pin shaft is fixed in the middle of the excircle of each semicircular ring; the pair of semicircular ring pairs is provided with a swing rod structure, one end of the swing rod structure is provided with a round hole, the round hole is sleeved on a radial pin shaft of the semicircular ring in a movable fit manner, and the middle part of the swing rod is also provided with a pull round hole; the diagonal draw bar structure is characterized in that one end of the diagonal draw bar structure is provided with a relay round hole corresponding to the tension round hole of the oscillating bar, a relay bolt with a cylindrical lower part and a threaded end penetrates through the relay round hole of the oscillating bar and the relay round hole of the diagonal draw bar in a movable fit mode and is locked by a nut, a plurality of U-shaped grooves are uniformly distributed in the middle of the diagonal draw bar and the other end of the diagonal draw bar, the width of each U-shaped groove is slightly larger than the outer diameter of a radial pin shaft on the semicircular ring, and one groove corresponding to the two diagonal draw bars is respectively sleeved on the radial.

The invention has the advantages that after the two pairs of semi-circular ring pairs are respectively arranged on the two pipes to be connected, the circumference of the outer wall of the two pipes is uniformly stressed to perform translational displacement and insertion when the swinging rod is rotated, the operation is convenient and the efficiency is high, and simultaneously, the separation and the translational movement of the two pipes can be realized according to the requirements in the installation process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the butt-joint fastening device;

fig. 3 is a sectional view a-a of fig. 2.

Detailed Description

The structure of the invention consists of two pairs of half circular ring pairs 11, two swinging rods 6 and two diagonal draw rods 9, and is characterized in that: the semicircular ring pairs 11 are two semicircular rings which can be butted, the inner diameter of each semicircular ring is slightly smaller than the outer diameter of the pipe to be installed, the two ends of each semicircular ring are provided with butt joint fastening devices, and the two semicircular ring pairs 11 are sleeved on the outer circles of the two pipes to be installed and then fastened by the butt joint fastening devices; a radial pin shaft 8 is fixed in the middle of the excircle of each semicircular ring; the pair of semicircular ring pairs 11 is provided with a swing rod 6 structure, one end of the swing rod 6 structure is provided with a round hole, the round hole is sleeved on a radial pin shaft 8 of the semicircular ring in a movable fit manner, and the middle part of the swing rod 6 is also provided with a pull round hole; the diagonal draw bar 9 is structurally characterized in that one end of the diagonal draw bar 9 is provided with a relay round hole corresponding to a tension round hole of the oscillating bar 6, a relay bolt 7 with a cylindrical lower part and a threaded end penetrates through the relay round hole of the oscillating bar 6 and the relay round hole of the diagonal draw bar 9 in a movable fit mode and is locked by a nut, a plurality of U-shaped grooves are uniformly distributed in the middle of the diagonal draw bar 9 and at the other end of the diagonal draw bar 9, the width of each U-shaped groove is slightly larger than the outer diameter of a radial pin shaft 8 on the semicircular ring, and one groove corresponding to each of the two diagonal draw bars 9 is respectively sleeved on the radial.

The butt-joint fastening device is a platform with the tail end of each semicircular ring bent and extended to be parallel to the axial lead of the pipeline, a circular hole is formed in the center of the platform, and a bolt penetrates through the central holes of the platforms corresponding to the two corresponding semicircular rings and then is fastened by a nut.

Above-mentioned butt joint fastener weak point lies in screwing up when every installation and unloads the operation process and take time and loaded down with trivial details, and another withhold formula butt joint fastener structure is: the corresponding position of one side of each pair of semi-circular ring pairs 11 extends out of a platform respectively, the platform is vertical to the central line of the pipeline, the two platforms are staggered and mutually attached in a plane, and a pin shaft is sleeved in the central holes of the two platforms to form a hinged shape; a platform with a central hole is respectively extended from the tail ends of two semicircular rings at the other side of the semicircular ring pair 11, one platform is used as a fulcrum platform 2, the plane of the platform is perpendicular to the central line of the pipeline, the other platform is used as a tightening platform 5, the plane of the platform is parallel to the central line of the pipeline, the front end of a fastening rod 1 is a U-shaped plate, the front end space of the U-shaped plate is inserted into the inner wall of the fulcrum platform 2 and is attached to the two side surfaces of the fulcrum platform 2, a pin shaft penetrates through a corresponding hole at the front end of the U-shaped plate and the central hole of the fulcrum platform 2 in a movable fit manner and is fixed, two sides of the U-shaped plate of the fastening rod 1 are respectively attached to an arm connecting plate 3, a bolt penetrates through corresponding holes at the end; the cuboid at the rear part of the tension block 4 is clamped between the other ends of the two arm connecting plates 3, the two arm connecting plates 3 and the corresponding holes of the tension block 4 are rotatably connected and fixed by bolts and nuts, and the threaded rod at the front part of the tension block 4 penetrates through the central hole of the tightening platform 5 on the other semicircular ring and then is sleeved with a lock nut.

When the buckling-pressing type semicircular ring fastening method is used, the two pairs of semicircular ring pairs 11 are respectively installed at the corresponding end parts of two pipes to be connected for fastening, the latter buckling-pressing type semicircular ring fastening method is that after the two semicircular rings are sleeved on the excircle of a pipeline, one ends of the two semicircular rings are sleeved by using pin shafts, the other ends of the two semicircular rings firstly rotate the buckling rod 1 to enable the connecting arm plate 3 to move forwards, the forward extension amount of a threaded rod at the front part of the tension block 4 from a central hole of the tightening platform 5 is increased, then a nut is screwed to enable the threaded rod to move backwards and be attached to the tightening platform 5, then the buckling rod 1 is forcibly rotated and pressed down, the buckling rod 1 pulls the connecting arm plate 3 backwards while rotating around the pin shaft of the central hole of the fulcrum platform 2, the tightening platform 5 is pulled backwards through the tension block 4, and the side of.

After the two pairs of semi-circular pairs are installed and fixed, the U-shaped grooves on the two symmetrical diagonal draw bars 9 are buckled and sleeved on the excircle radial pin shafts 8 at the middle parts of the semi-circular pairs on the two sides of the pipeline on the other side, the swinging rod 6 is rotated backwards, the tail ends of the diagonal draw bars 9 are rotated around the radial pin shafts 8 under the action of the relay bolts 7, the two pipes are also pulled to be relatively close to each other to achieve the effect of translational uniform stress sleeve, and the reverse movement can also be used for pipe withdrawing operation. The single U-shaped groove only enables the pipeline to move for a certain distance, and the swinging rod 6 is turned and then buckled with the other U-shaped groove, so that the pipeline can move horizontally in a relaying way for two times. And after the opening of the pipe at the flat end extends into and exceeds the sealing ring 10 of the step pipe section, the installation is finished.

Claims

1. The large plastic pipeline butt joint installation device consists of two pairs of semicircular ring pairs (11), two swinging rods (6) and two diagonal draw rods (9); the method is characterized in that: the semicircular ring pairs (11) are two semicircular rings which can be butted, the inner diameter of each semicircular ring is slightly smaller than the outer diameter of the pipe to be installed, the two ends of each semicircular ring are provided with butting and fastening devices, and the two pairs of semicircular ring pairs (11) are sleeved on the outer circles of the two pipes to be installed and fastened by the butting and fastening devices; a radial pin shaft (8) is fixed in the middle of the excircle of each semicircular ring; the pair of semicircular ring pairs (11) is provided with a swing rod (6) structure, one end of the swing rod (6) structure is provided with a round hole, the round hole is sleeved on a radial pin shaft (8) of the semicircular ring in a movable fit manner, and the middle part of the swing rod (6) is also provided with a pull round hole; the diagonal draw bar (9) is structurally characterized in that one end of the diagonal draw bar (9) is provided with a relay round hole corresponding to a tension round hole of the swing rod (6), a relay bolt (7) with a cylindrical lower part and a threaded end penetrates through the relay round hole of the swing rod (6) and the relay round hole of the diagonal draw bar (9) in a movable fit mode and is locked by a nut, a plurality of U-shaped grooves are uniformly distributed in the middle of the diagonal draw bar (9) and the other end of the diagonal draw bar, the width of each U-shaped groove is slightly larger than the outer diameter of a radial pin shaft (8) on the semicircular ring, and one groove corresponding to each diagonal draw bar (9) is respectively sleeved on the radial pin shafts (8) symmetrical.

2. The large plastic pipe butt joint installation device according to claim 1, wherein: the butt-joint fastening device is a platform with the tail end of each semicircular ring bent and extended to be parallel to the axial lead of the pipeline, a circular hole is formed in the center of the platform, and a bolt penetrates through the central holes of the platforms corresponding to the two corresponding semicircular rings and then is fastened by a nut.

3. The large plastic pipe butt joint installation device according to claim 1, wherein: platforms respectively extend from the corresponding positions of one side of each pair of semi-circular ring pairs (11), the platforms are vertical to the central line of the pipeline, the two platforms are staggered and mutually attached to form a plane, and a pin shaft is sleeved in central holes of the two platforms; the tail ends of the two semicircular rings at the other side of the semicircular ring pair (11) are respectively extended to form a platform with a central hole, one platform is used as a fulcrum platform (2), the plane of the U-shaped plate is perpendicular to the central line of the pipeline, the other platform is used as a tightening platform (5), the plane of the U-shaped plate is parallel to the central line of the pipeline, the front end of a tightening rod (1) is a U-shaped plate, the space of the front end of the U-shaped plate is inserted into the inner wall of a fulcrum platform (2) and is attached to the two side surfaces of the fulcrum platform (2), a pin shaft penetrates through a corresponding hole at the front end of the U-shaped plate and a central hole of the fulcrum platform (2) in a movable fit manner and then is fixed, two sides of the U-shaped plate of the tightening rod (1) are respectively attached to an arm connecting plate (3), the two sides of the U-shaped plate of the; the other end of the two arm connecting plates (3) clamps the cuboid at the rear part of the tension block (4) between the two arm connecting plates, bolts and nuts pass through the two arm connecting plates (3) and the corresponding holes of the tension block (4) to be rotatably connected and fixed, and a threaded rod at the front part of the tension block (4) passes through a central hole of the tightening platform (5) on the other semicircular ring and then is sleeved with a lock nut.