CN219325548U

CN219325548U - Device for large-caliber HDPE pipeline assembly

Info

Publication number: CN219325548U
Application number: CN202223400625.6U
Authority: CN
Inventors: 臧明明; 郑文臣; 王东方
Original assignee: SEPCO3 Electric Power Construction Co Ltd
Current assignee: SEPCO3 Electric Power Construction Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-07-11
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a device for large-caliber HDPE pipeline pairing, which comprises an upper structure frame for supporting a large-caliber HDPE pipeline to be connected, and further comprises: the four travelling mechanisms are respectively positioned at the bottom of the upper structure frame and close to corners and used for supporting the upper structure frame and driving the upper structure frame to move; the guide rail is positioned below the travelling mechanism and is arranged in parallel and used for guiding and limiting the movement track of the travelling mechanism. According to the utility model, the HDPE pipes to be welded are supported by the upper structure frame, and then the two pipes are moved in opposite directions by the cooperation of the travelling mechanism and the guide rail, so that the time consumed in assembly is reduced, the problem that the flatness adjustment of the interface position is unqualified and the subsequent welding quality is influenced due to the traditional assembly mode is avoided, and the qualification rate and the efficiency of the HDPE pipes are improved.

Description

Device for large-caliber HDPE pipeline assembly

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a device for large-caliber HDPE pipeline pairing.

Background

The high-density polyethylene (HDPE) pipeline has good heat resistance, cold resistance, good chemical stability, higher rigidity and toughness, good mechanical strength, better dielectric property and environmental stress cracking resistance, is insoluble in any organic solvent, resistant to corrosion by acid, alkali and various salts, is widely applied to projects such as urban construction, power plant construction and the like, and is widely popularized and applied to large-caliber HDPE winding structure wall pipes.

The welding mode of heavy-calibre HDPE pipeline all adopts convenient operation, the controllable socket joint formula welding of quality, and socket joint formula welding is comparatively high to the group of HDPE pipeline to the requirement, because the pipe diameter is great, the pipeline straightness near the bell and spigot can directly be to the pairing of bellmouth and spigot and influence to the group of seriously influencing the pipeline is to efficiency.

The current large-caliber HDPE pipeline assembly mode mainly realizes the adjustment of the flatness of the welded junction position by plugging the cushion blocks into the lower parts of two sides of the HDPE pipeline to be assembled, and because staff needs to continuously adjust the overall height of the cushion blocks according to the flatness of the welded junction position, the assembly efficiency is reduced, and meanwhile, the labor and the mechanical cost input in the process of adjusting the flatness of the welded junction position are higher, in addition, the disqualification of the flatness adjustment of the welded junction position of the HDPE pipeline can lead to the overlarge assembly gap of the faucet of the HDPE pipeline to influence the welding quality of the welded junction, so that the welded HDPE pipeline has certain quality hidden danger, and the safety and the stable operation of a project can be directly influenced after long-term use. In view of this, we propose an apparatus for large caliber HDPE pipe pairing.

Disclosure of Invention

In order to overcome the defects, the utility model provides a device for large-caliber HDPE pipeline pairing.

The technical scheme of the utility model is as follows:

a device for large-caliber HDPE pipe group pairs, comprising a superstructure frame for supporting large-caliber HDPE pipes to be connected, further comprising:

the four travelling mechanisms are respectively positioned at the bottom of the upper structure frame and close to corners and used for supporting the upper structure frame and driving the upper structure frame to move;

the guide rail is positioned below the travelling mechanism and is arranged in parallel and used for guiding and limiting the movement track of the travelling mechanism.

As the preferable technical scheme, the upper structure frame consists of seven frame beams and two steel bars, and specifically comprises two first frame beams which are transversely arranged in parallel, and five second frame beams which are distributed at equal intervals are arranged between the two first frame beams.

As the preferable technical scheme, the steel bars are parallel to the second frame beams, the two steel bars are symmetrically distributed on the left side and the right side of the first frame beams, and the end parts of the two first frame beams are fixedly connected through the steel bars.

As a preferable technical scheme, the length of the upper structure frame is 3039-3041mm, the width is 499-501mm, and the height is 99-101mm.

As the preferable technical scheme, the travelling mechanism comprises a U-shaped mounting plate with a downward opening and a steel roller, and the steel roller is connected with the mounting plate through a roller.

As a preferable technical scheme, the roller is connected with the steel roller through a bearing, and the diameter of the steel roller is 149-151mm.

As a preferable technical scheme, the outer wall spacing of the guide rails is gradually increased from top to bottom, and the guide rail spacing in parallel arrangement is 2519-2521mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the HDPE pipes to be welded are supported through the upper structure frame, and then the two pipes are moved in opposite directions through the cooperation of the travelling mechanism and the guide rail, so that the time consumed in assembly is reduced, the problem that the flatness adjustment of the interface position is unqualified and the subsequent welding quality is influenced due to the traditional assembly mode is avoided, and the qualification rate and the efficiency of the HDPE pipe alignment are improved;

2. the travelling mechanism moves above the guide rail to move the HDPE pipe supported by the upper structure frame and the top of the upper structure frame, and then the quantity of the devices is adjusted according to actual needs, so that the travelling mechanism is convenient for carrying out pipelining operation, has high reusability and is flexible to operate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

FIG. 3 is a front view of a portion of the structure of the present utility model;

FIG. 4 is a side view of a portion of the structure of the present utility model;

FIG. 5 is a second schematic diagram of a portion of the structure of the present utility model;

FIG. 6 is a schematic view of the running gear of the present utility model with the mounting plate cut away;

fig. 7 is a schematic diagram showing the structural disassembly of the walking mechanism in the utility model.

The meaning of each reference numeral in the figures is:

1. a superstructure frame; 11. a first frame beam; 12. a second frame beam; 13. a steel bar;

2. a walking mechanism; 21. a mounting plate; 22. a steel roller; 23. a roller; 24. a bearing;

3. a guide rail;

4. and a supporting seat.

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.

Referring to fig. 1-7, the present utility model provides a technical solution:

the utility model provides a device for large-caliber HDPE pipe line group is to, including being used for treating the upper structure frame 1 that connects heavy-calibre HDPE pipe line to support, upper structure frame 1 comprises seven frame roof beams and two steel bars 13 jointly, specifically include two horizontal parallel arrangement's first frame roof beams 11, be equipped with five equidistant second frame roof beams 12 that distribute between two first frame roof beams 11, first frame roof beams 11 and second frame roof beams 12 all adopt 10 channel-section steel, steel bar 13 and second frame roof beams 12 are parallel, two steel bars 13 symmetric distribution are in the left and right sides of first frame roof beams 11, the tip of two first frame roof beams 11 passes through steel bar 13 fixed connection, upper structure frame 1's length is 3039-3041mm, width is 499-501mm, the height is 99-101mm, still include:

the four travelling mechanisms 2 are respectively positioned at the bottom of the upper structure frame 1 and close to corners, the centers of the front travelling mechanism 2 and the rear travelling mechanism 2 correspond to each other and are used for supporting the upper structure frame 1 and driving the upper structure frame 1 to move, each travelling mechanism 2 comprises a U-shaped mounting plate 21 with a downward opening and steel rollers 22, the steel rollers 22 are fixedly connected with the mounting plate 21 through rollers 23, and a single steel roller 22 can bear at least 1 ton of weight, so that each set of paired devices can bear at least 4 tons of weight;

the roller 23 is connected with the steel roller 22 through the bearing 24, and the roller 23 is connected with the steel roller 22 through the bearing 24 for reducing the friction resistance born by the steel roller 22 during rolling, so that the travelling mechanism can move rapidly, the diameter of the steel roller 22 is 149-151mm, and the bearing 24 is required to be smeared with butter for maintenance when the steel roller is particularly used, so that the service life of the bearing 24 is prolonged.

The guide rails 3 are located below the travelling mechanism 2 and are arranged in parallel, and are used for guiding and limiting the movement track of the travelling mechanism 2, the outer wall spacing of the guide rails 3 is gradually increased from top to bottom, the spacing of the guide rails 3 arranged in parallel is 2519-2521mm, and specifically, the error of the guide rails 3 during laying is controlled within 1.9-2.1mm/m, so that the travelling mechanism 2 above the guide rails 3 can normally move.

Furthermore, grease needs to be smeared regularly between the guide rail 3 and the travelling mechanism 2 for maintenance, so that the situation that the travelling mechanism 2 is blocked when moving due to corrosion of the guide rail 3 is prevented, and in addition, different selections can be made on the replacement and filling of graded sand according to different geological conditions below the guide rail 3, so that the situation that foundation subsidence occurs to the guide rail 3 when large-caliber HDPE pipes are assembled is avoided, and the straightness of the large-caliber HDPE pipes is further influenced.

It is to be added that the distance between the steel rollers 22 of the left and right travelling mechanisms 2 is matched with the distance between the parallel guide rails 3, the distance between the steel rollers 22 of the front and rear travelling mechanisms 2 is 449-451mm, and the distance between the steel rollers 22 needs to be controlled during installation, so that the steel rollers 22 of the travelling mechanisms 2 can be completely matched with the guide rails 3 corresponding to the lower parts of the steel rollers 22, and the condition of rail biting is avoided.

It is worth noting that, the top of superstructure frame 1 is equipped with supporting seat 4, and the arc wall has been seted up at the top of supporting seat 4, and the inner wall in arc wall is equipped with the rubber layer, when specifically using, will need to organize the heavy-calibre HDPE pipe that is to be organized to the top of supporting seat 4, then make the bottom and the arc wall of heavy-calibre HDPE pipe contact for support heavy-calibre HDPE pipe, through setting up the rubber layer, be used for reducing the wearing and tearing that cause heavy-calibre HDPE pipe outer wall.

When the device for assembling the large-caliber HDPE pipes is used, two corresponding assembling devices are arranged below two large-caliber HDPE pipes needing to be assembled, then the large-caliber HDPE pipes needing to be assembled are hoisted to the upper parts of the two assembling devices, so that the upper structural frames 1 in the two assembling devices support the large-caliber HDPE pipes corresponding to the large-caliber HDPE pipes needing to be assembled together, then the two pipes are moved in opposite directions by using the travelling mechanism 2 in the assembling device, meanwhile, auxiliary butt joint is carried out on two sides of the two HDPE pipes needing to be assembled by using external slings and chain blocks, hot-melt welding is carried out on the two HDPE pipes by using an external tool after butt joint is completed, after a welded joint of the large-caliber HDPE pipes is naturally cooled, then the external slings and the chain blocks are loosened, one end of each HDPE pipe is hoisted continuously to be welded after welding is completed, and then the steps are repeated to assemble the length of each HDPE pipe according to the actual requirements of installation.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A device for large caliber HDPE pipe group pairs, characterized in that: including being used for treating the superstructure frame (1) that connects heavy-calibre HDPE pipeline supports, still include:

the four travelling mechanisms (2) are respectively positioned at the bottom of the upper structure frame (1) and close to corners and are used for supporting the upper structure frame (1) and driving the upper structure frame (1) to move;

the guide rail (3) is positioned below the travelling mechanism (2) and is arranged in parallel and used for guiding and limiting the movement track of the travelling mechanism (2).

2. The apparatus for large caliber HDPE pipe pairing of claim 1, wherein: the upper structure frame (1) consists of seven frame beams and two steel bars (13) together, and specifically comprises two first frame beams (11) which are transversely arranged in parallel, and five second frame beams (12) which are distributed at equal intervals are arranged between the first frame beams (11).

3. The apparatus for large caliber HDPE pipe pairing of claim 2, wherein: the steel bars (13) are parallel to the second frame beams (12), the two steel bars (13) are symmetrically distributed on the left side and the right side of the first frame beams (11), and the end parts of the two first frame beams (11) are fixedly connected through the steel bars (13).

4. The apparatus for large caliber HDPE pipe pairing of claim 2, wherein: the upper structure frame (1) has a length of 3039-3041mm, a width of 499-501mm and a height of 99-101mm.

5. The apparatus for large caliber HDPE pipe pairing of claim 1, wherein: the walking mechanism (2) comprises a U-shaped mounting plate (21) with a downward opening and a steel roller (22), and the steel roller (22) is connected with the mounting plate (21) through a roller (23).

6. The apparatus for large caliber HDPE pipe pairing of claim 5, wherein: the roller (23) is connected with the steel roller (22) through a bearing (24), and the diameter of the steel roller (22) is 149-151mm.

7. The apparatus for large caliber HDPE pipe pairing of claim 1, wherein: the outer wall spacing of the guide rails (3) is gradually increased from top to bottom, and the spacing of the guide rails (3) which are arranged in parallel is 2519-2521mm.