阅读说明：本技术 热熔焊管的焊接安装设备及施工方法 (Welding installation equipment and construction method of hot-melt welded pipe ) 是由 张翼鹏 王莹 张翼鲲 于 2020-05-21 设计创作，主要内容包括：本发明涉及一种热熔焊管的焊接安装设备及施工方法,热熔焊管的焊接安装设备包括有吊架和轴向导向胎架,所述吊架包括吊梁、两个支腿、手拉葫芦和吊夹。轴向导向胎架可拆卸安装在支腿的支撑梁上,其承托热熔焊管方向垂直于吊梁,并与吊夹一起将热熔焊管固定在吊架上。本发明的焊接安装设备和施工方法简单易操作,施工周期短,对施工人员的技术水平要求不高,既解决了吊车无法正常配合吊装的问题,又缩小了施工作业面,同时避免了二次倒运吊装对管道焊口的影响,降低了施工机械成本、确保了施工质量,缩短了总施工进度。(The invention relates to welding installation equipment and a construction method of a hot-melt welded pipe. The axial guide jig frame is detachably arranged on the support beam of the support leg, supports the direction of the hot-melt welding pipe to be vertical to the hanging beam, and fixes the hot-melt welding pipe on the hanging frame together with the hanging clamp. The welding installation equipment and the construction method are simple and easy to operate, short in construction period and low in technical level requirement on constructors, the problem that a crane cannot be normally matched for hoisting is solved, the construction operation surface is reduced, meanwhile, the influence of secondary reverse transportation hoisting on a pipeline welded junction is avoided, the construction machinery cost is reduced, the construction quality is ensured, and the total construction progress is shortened.)

1. A welding installation device for a hot-melt welded pipe is characterized by comprising a hanging bracket and an axial guide jig frame;

the hanger includes:

the hanging beam is horizontally arranged above the ground, and two ends of the hanging beam are respectively fixed above the supporting legs;

the supporting legs are two, a supporting base is fixed at the bottom ends of the supporting legs, a supporting beam is arranged in the middle of each supporting leg, and the top ends of the supporting legs are fixedly connected to the end portions of the hanging beams;

the chain block is hung on the hanging beam; and

the suspension clamp comprises two S-shaped clamping arms, wherein a cross-connecting strip hole is formed in the inflection point position of one clamping arm, the upper section of the other clamping arm penetrates through the cross-connecting strip hole, and after the inflection points of the two clamping arms are overlapped, the two clamping arms are connected in a cross-connecting mode through a pin shaft to form a hinge mode; the upper ends of the two clamping arms are connected to a guy cable of the chain block;

the axial guide jig frame comprises a support frame and two guide wheel sets arranged on the support frame; the guide wheel set comprises a fixed seat, a connecting lug plate and two guide wheels, the lower end of the connecting lug plate is fixed on the fixed seat, the upper end of the connecting lug plate is connected with the guide wheels through a through wheel shaft, the two guide wheels on the fixed seat are arranged at the same height, the two guide wheels are arranged on the same plane, and the plane is vertical to a vertical plane passing through the hanging beam; the two guide wheel sets are arranged on the supporting frame in parallel and used for supporting and axially moving the hot-melt welding pipe.

2. The apparatus for welding and installing heat-fusible welded pipe as claimed in claim 1, wherein a center line between the two guide roller sets is located right below said suspension clamp.

3. The welding installation apparatus of hot melt welded pipe as claimed in claim 1, wherein rubber gaskets are provided on both of the hanger arms of said hanger.

4. A welding installation construction method of a hot-melt welded pipe is characterized by comprising the following steps:

a. a plurality of hot-melt welding pipes to be welded and installed are arranged in a pipeline groove for laying hot-melt pipelines in a row in an open mode that adjacent pipe orifices are in a form that a secondary orifice is opposite to a primary orifice;

b. the welding installation device for the hot-melt welding pipe of claim 1 is provided, and at least two welding installation devices are arranged on each hot-melt welding pipe; the method comprises the following steps that hanger brackets in welding installation equipment are arranged on two sides of a pipeline groove, the arrangement heights of all hangers are the same or basically the same, and the projections of all hangers on a projection plane along the groove direction are overlapped or basically overlapped;

c. horizontally hoisting the first and second hot-melt welding pipes at the starting position of the groove from the groove by using a chain block and a hoisting clamp on a hoisting frame which are respectively matched with each hot-melt welding pipe, wherein the hoisting height of each hot-melt welding pipe does not hinder the installation of an axial guide jig frame on the hoisting frame at the lower part of the hot-melt welding pipe;

d. respectively installing axial guide jig frames on all the hanging frames for hoisting the two hot-melt welding pipes, enabling two guide wheel sets on the axial guide jig frames on each hanging frame to be on a straight line on one side of each hanging frame, operating a chain block, putting the two hoisted hot-melt welding pipes on the axial guide jig frames, supporting the two hoisted hot-melt welding pipes by the guide wheel sets, axially pushing a second hot-melt welding pipe to enable pipe orifices of the second hot-melt welding pipe to be in socket fit with pipe orifices of a first hot-melt welding pipe, and then performing mouth milling and welding operation on the two hot-melt welding pipes to enable the first hot-melt welding pipe and the second hot-melt welding pipe to be welded into a whole pipe;

e. horizontally hoisting the third hot-melt welding pipe from the groove by using a chain block and a hanging clamp on a hanging bracket matched with the third hot-melt welding pipe, installing an axial guide jig frame according to the method, operating the chain block, putting the third hot-melt welding pipe on the axial guide jig frame, supporting the third hot-melt welding pipe by using a guide wheel set, axially pushing the third hot-melt welding pipe to enable the pipe orifice of the third hot-melt welding pipe to be in socket fit with the pipe orifice of the second hot-melt welding pipe, and then performing milling and welding operation on the two hot-melt welding pipes to enable the third hot-melt welding pipe and the first two hot-melt welding pipes to be welded into an integral pipe;

f. respectively welding a fourth hot-melt welding pipe to a last hot-melt welding pipe into an integral pipe according to the operation mode;

g. and operating the chain blocks on all the hanging frames, simultaneously hoisting the integrally welded hot-melt pipes, operating the chain blocks on all the hanging frames after detaching the axial guide jig frames on all the hanging frames, placing the integrally welded hot-melt pipes in the grooves of the pipelines, removing all the hanging frames on the grooves of the pipelines after the detection is qualified, and performing backfill construction.

Technical Field

The invention relates to the technical field of pipeline construction, in particular to welding installation equipment and a construction method of a hot-melt welded pipe.

Background

In the transformation and construction of urban water delivery and distribution, most of places are pedestrian walkways on two sides of an urban main road or a secondary main road, residences and commercial areas in the area are relatively concentrated, the construction working surface is relatively narrow, and large-scale machine and tool matched construction is difficult to carry out, so that the hot-melt welding pipe is welded outside a pipeline groove leveling area in the conventional construction process, and the hot-melt welding pipe is integrally hoisted into the pipeline groove by a plurality of cranes according to the length of a pipeline connecting pipe. However, the construction method needs a plurality of cranes, the cost is high, the secondary reverse transportation and hoisting are carried out after the welding of the hot-melt welded pipe, and the welding port of the hot-melt welded pipe is easily damaged due to the asynchronous hoisting actions of the plurality of cranes, so that the construction quality is influenced.

Disclosure of Invention

The invention aims to provide welding installation equipment for a hot-melt welded pipe, which aims to solve the problems of high cost and poor construction quality in the welding construction operation of the hot-melt welded pipe.

The second purpose of the invention is to provide a welding installation construction method of the hot-melt welded pipe, so as to reduce the operation cost of the welding construction of the hot-melt welded pipe and improve the construction quality.

One of the objects of the invention is achieved by:

a welding installation device for a hot-melt welded pipe comprises a hanging bracket and an axial guide jig frame;

the hanger includes:

the hanging beam is horizontally arranged above the ground, and two ends of the hanging beam are respectively fixed above the supporting legs;

the supporting legs are two, a supporting base is fixed at the bottom ends of the supporting legs, a supporting beam is arranged in the middle of each supporting leg, and the top ends of the supporting legs are fixedly connected to the end portions of the hanging beams;

the chain block is hung on the hanging beam; and

the suspension clamp comprises two S-shaped clamping arms, wherein a cross-connecting strip hole is formed in the inflection point position of one clamping arm, the upper section of the other clamping arm penetrates through the cross-connecting strip hole, and after the inflection points of the two clamping arms are overlapped, the two clamping arms are connected in a cross-connecting mode through a pin shaft to form a hinge mode; the upper ends of the two clamping arms are connected to a guy cable of the chain block;

the axial guide jig frame comprises a support frame and two guide wheel sets arranged on the support frame; the length of the supporting frame is ensured to enable two ends of the supporting frame to be supported on the supporting beam of the supporting leg, the guide wheel set comprises a fixed seat, a connecting lug plate and two guide wheels, the lower end of the connecting lug plate is fixed on the fixed seat, the upper end of the connecting lug plate is connected with the guide wheels through a through wheel shaft, the two guide wheels on the fixed seat are arranged at the same height and are arranged on the same plane, and the plane is perpendicular to a vertical plane passing through the hanging beam; the two guide wheel sets are arranged on the supporting frame in parallel and used for supporting and axially moving the hot-melt welding pipe.

The center line between the two guide wheel sets is positioned right below the suspension clamp.

Rubber gaskets are arranged on the two lifting clamp arms of the lifting clamp.

According to the invention, the hand chain block and the hanging clamp are used for hoisting, and the hot-melt welding pipe is fixed on the axial guide jig frame for assembling and welding, namely, the assembling, welding and hoisting of the hot-melt welding pipe are all carried out on equipment, so that secondary reverse transportation is reduced, multi-point hoisting is adopted, and the axial guide jig frame is used for assembling and welding, and the construction method is simple and convenient. The device has the advantages of simple structure and convenient operation, effectively reduces the influence of the working face, improves the installation precision and the construction speed, reduces the mechanical cost, reduces the secondary transportation, avoids the influence of secondary transportation and hoisting on the welded junction of the pipeline, and improves the construction quality.

The second purpose of the invention is realized by the following steps:

a welding installation construction method of a hot-melt welded pipe comprises the following steps:

a. a plurality of hot-melt welding pipes to be welded and installed are arranged in a pipeline groove for laying hot-melt pipelines in a row in an open mode that adjacent pipe orifices are in a form that a secondary orifice is opposite to a primary orifice;

b. the welding installation device for the hot-melt welding pipe of claim 1 is provided, and at least two welding installation devices are arranged on each hot-melt welding pipe; the method comprises the following steps that hanger brackets in welding installation equipment are arranged on two sides of a pipeline groove, the arrangement heights of all hangers are the same or basically the same, and the projections of all hangers on a projection plane along the groove direction are overlapped or basically overlapped;

c. horizontally hoisting the first and second hot-melt welding pipes at the starting position of the groove from the groove by using a chain block and a hoisting clamp on a hoisting frame which are respectively matched with each hot-melt welding pipe, wherein the hoisting height of each hot-melt welding pipe does not hinder the installation of an axial guide jig frame on the hoisting frame at the lower part of the hot-melt welding pipe;

d. respectively installing axial guide jig frames on all the hanging frames for hoisting the two hot-melt welding pipes, enabling two guide wheel sets on the axial guide jig frames on each hanging frame to be on a straight line on one side of each hanging frame, operating a chain block, putting the two hoisted hot-melt welding pipes on the axial guide jig frames, supporting the two hoisted hot-melt welding pipes by the guide wheel sets, axially pushing a second hot-melt welding pipe to enable pipe orifices of the second hot-melt welding pipe to be in socket fit with pipe orifices of a first hot-melt welding pipe, and then performing mouth milling and welding operation on the two hot-melt welding pipes to enable the first hot-melt welding pipe and the second hot-melt welding pipe to be welded into a whole pipe;

e. horizontally hoisting the third hot-melt welding pipe from the groove by using a chain block and a hanging clamp on a hanging bracket matched with the third hot-melt welding pipe, installing an axial guide jig frame according to the method, operating the chain block, putting the third hot-melt welding pipe on the axial guide jig frame, supporting the third hot-melt welding pipe by using a guide wheel set, axially pushing the third hot-melt welding pipe to enable the pipe orifice of the third hot-melt welding pipe to be in socket fit with the pipe orifice of the second hot-melt welding pipe, and then performing milling and welding operation on the two hot-melt welding pipes to enable the third hot-melt welding pipe and the first two hot-melt welding pipes to be welded into an integral pipe;

f. respectively welding a fourth hot-melt welding pipe to a last hot-melt welding pipe into an integral pipe according to the operation mode;

g. and operating the chain blocks on all the hanging frames, simultaneously hoisting the integrally welded hot-melt pipes, operating the chain blocks on all the hanging frames after detaching the axial guide jig frames on all the hanging frames, placing the integrally welded hot-melt pipes in the grooves of the pipelines, removing all the hanging frames on the grooves of the pipelines after the detection is qualified, and performing backfill construction.

The invention sets a plurality of hanging brackets at two ends of the pipeline groove, simultaneously lifts the hot-melt welding pipes by the hanging brackets, then installs the axial guide jig frame, fixes the hot-melt welding pipes to be welded on the axial guide jig frame, carries out butt joint, mouth milling and welding, detaches the axial guide jig frame after the welding is finished, places the hot-melt welding pipes welded into a whole into the pipeline groove, and removes the hanging brackets to complete the welding and installation of the hot-melt welding pipes. The construction method is simple and easy to operate, saves labor and time, ensures the accurate butt joint and the quality of hot-melt welding, has short construction period and low requirement on the technical level of constructors, solves the problem that a crane cannot be normally matched for hoisting, reduces the construction working face, avoids the influence of secondary reverse transportation hoisting on a pipeline welded junction, reduces the construction machinery cost, ensures the construction quality and shortens the total construction progress.

Drawings

FIG. 1 is a schematic structural view of a welding installation apparatus for a heat-fusion welded pipe according to the present invention.

Fig. 2 is a schematic view of the installation of the present invention.

In the figure: 1. the lifting beam, 2, supporting legs, 3, an inclined support, 4, a lifting clamp, 5, a supporting frame, 6, a supporting base, 7, a chain block, 8, a supporting beam, 9, a guide wheel, 10, a fixed seat, 11, a lifting frame, 12, a hot-melting welding pipe, 13 and a pipeline groove.

Detailed Description