CN100371235C

CN100371235C - Steel pipe pallet car and uses thereof

Info

Publication number: CN100371235C
Application number: CNB2006100201010A
Authority: CN
Inventors: 杨瑾
Original assignee: 杨瑾
Current assignee: Chengdu Alang Technology Co., Ltd.
Priority date: 2006-01-04
Filing date: 2006-01-04
Publication date: 2008-02-27
Anticipated expiration: 2026-01-04
Also published as: CN1803567A

Abstract

The present invention relates to a large steel pipe trolley which comprises the structures of a main beam, a longitudinal walking frame, a rotating frame, a support foot, a support arm, an adjusting support, etc. A construction platform with various mechanical functions of needing in the process of steel pipe manufacture, transportation, installation, surface corrosion prevention, check and concrete casting can be formed. Total operation of tile assembly, steel pipe weld, etc. can be intensively carried out at a steel pipe installation site by combining a tile transportation mode and possibly utilizing ordinary road conditions, the mechanical automation operation can be realized, and the requirements of safety, high quality and high efficiency of engineering can be easily satisfied. The large steel pipe trolley is especially suitable for using in the large steel pipe engineering in a tunnel with a limited space.

Description

A kind of steel pipe pallet car and uses thereof

Technical field

The present invention relates to mechanical equipment structure of a kind of large diameter steel pipe manufacturing, transportation, installation and uses thereof.

Technical background

Make in the installation work at the water conservancy and hydropower steel pipe, usually steel pipe is welded into 6m with an interior joint, use automobile, exclusive trail car or track chassis are transported to the place of erection, install afterwards, welding and anticorrosion, and when the diameter of steel pipe is very big, such as the diameter that surpasses 9m, the transportation of steel pipe and installation are very difficult, install for the large diameter steel pipe in the tunnel especially, still not having highly effective equipment at present both at home and abroad constructs, in order to reduce the large diameter steel pipe traffic cost, reduce its ancillary works amount, part steel pipe engineering is taked rolled tile is assembled the mode that is welded into steel pipe joint on the platform of erecting stage, and second hand rail road chassis is transported to the installation position with the steel pipe joint, finishes the welding of steel pipe and anticorrosion at last, but because the place disperses and existing functions of the equipments are simple, the mechanization of building operation degree is low, and large diameter steel pipe upset difficulty causes the Transport Safety of steel pipe poor, hand labor intensity is big, and production efficiency is lower.Chinese patent 02110317.8 disclosed tunnel transportation chassis can only be used for the PCCP pipeline transportation and the installation of medium-small diameter, Japanese Patent No. is opened flat 9-315299 and is disclosed a kind of pipeline and move the installation chassis, be applicable in larger-diameter pipeline transportation and installation, but because its structure occupation space is bigger, function is simple, and the effect of transportation and pipe laying is restricted in the less relatively tunnel in space.

The purpose of this invention is to provide a kind of large-scale steel pipe chassis, available it finish the required multiple mechanical function of steel pipe manufacturing, transportation, installation, surface anticorrosion, check and concreting process, again in conjunction with the mode of tile transportation, may utilize common road conditions, carry out all work such as tile assembling, steel pipe welding in concentrated area, steel pipe place of erection.

Summary of the invention

Technical scheme of the present invention is achieved in that

A kind of mechanical chassis device that is used for the large-scale steel pipe construction, it is with girder, support arm and supporting leg are the basis, have vertical walker and mechanical control mechanism thereof on the girder, vertically walker is by driving action linear reciprocating motion on girder of mechanical mechanism, vertically on the walker one or two swivel mount is set, swivel mount is vertically rotating on the walker by the driving action of mechanical device, many group well-distributeds are installed on the swivel mount are regulated supporting rod, regulate to support and combine by hydraulic jack and lifting screw, regulate to support and be used for supporting and the working fastening tile, regulate tile of support fixation for 4～6, by regulating the elongation of supporting and shortening and adjust the tile radius, support arm and supporting leg are the hydraulic pressure rod member, be equipped with hydraulic power unit and corresponding electrohydraulic control device on the girder, the hydraulic ram collapsing length of concentrated area regulating control support arm and supporting leg, because steel pipe pallet car has reciprocal level within the specific limits, the rotation and the degree of freedom of three sense of motions of radial expansion can possess following purposes in the manufacturing of steel pipe and installation process:

1, assembling: select suitable adjusting bearing length according to the radius of curvature that steel pipe is different, a plurality of tiles are assembled successively, by connecting to form single steel pipe joint after the welding;

2, transport: steel pipe is saved from the assembling position of chassis one end be transported to the installation site, the general purpose hauling distance is within 8～15m;

3, install: realize the accurate location of steel pipe joint, by vertically moving, rotate suitable angle and regulating the contraction of supporting, even regulation steel pipe internode assemblage gap obtains desirable assembly unit quality, and may utilize the revolute function of chassis to measure steel pipe roundness;

4, support: building in the process after every section steel pipe installation examination is finished, carry out interior support with regulating to support to installing and fixing steel pipe;

5, welding: in conjunction with the general-duty automatic welding device; realize automatic, the semiautomaticwelding of steel pipe vertical seam and circumferential weld; because chassis is stable in light condition turning down mechanism; be easy to realize that the gas-shield automatic welding that circumferential weld is installed connects; can preferentially select welding process and equipment efficiently, close on system etc. as the welding of high speed multifibres, seam tracking system, weld seam automatic detection system or industrial television.

6, anticorrosion: steel pipe installation welding is regulated and is supported appropriate stretching after finishing, and utilizes the revolution operation of steel pipe pallet car, in conjunction with sandblast and spraying equipment, realizes the mechanical automation construction and the inspection of steel pipe inner wall anti-corrosive, raising anticorrosive quality and service life.

Advantage of the present invention is: with the multi-functional operation platform of steel pipe pallet car as on-the-spot manufacturing of large-scale water conservancy and hydropower steel pipe and installation, realize the mechanical automation operation, the safety of the engineering that is content with very little, high-quality and requirement efficiently are even its effect also may obtain performance in the limited tunnel in space.

Description of drawings

Fig. 1 is a kind of front view of large-scale steel pipe chassis structure;

Fig. 2 is the arrangement plan that steel pipe pallet car is used in tunnel;

Fig. 3 is the end view of Fig. 1;

Fig. 4 is the end view of Fig. 2;

Fig. 5 is that steel pipe pallet car is regulated the section-drawing that is used for less steel pipe after support is shunk;

Fig. 6 is that steel pipe pallet car is being installed the end view that moves in the steel pipe;

Fig. 7 is a kind of front view of large-scale steel pipe chassis structure of bispin pivoted frame;

The specific embodiment

As Fig. 1, shown in 3, girder 1 front and back end of steel pipe pallet car has been installed supporting leg 2 and support arm 3 respectively, the contraction of supporting leg 2 and support arm 3 is by hydraulic power unit 4 controls, vertical walker 5 and winch 6 are installed on the horizontal rail of girder 1, by winch 6 and wheel flutter 7, the effect of steel cable, vertically walker 5 may back and forth be walked on the horizontal rail of girder 1, swivel mount 8 is installed on vertical walker 5 through the cooperation of hole axle, adopt gear driven mechanism that swivel mount 8 is vertically being rotated on the walker 5, install 24 on the swivel mount 8 and regulate support 9, regulate supporting 9 is combined by hydraulic jack 10 and lifting screw 11, can dismantle, regulate the side direction of support 9 and carry out pretension with drag-line 12.In said structure, vertically walker 5 also can adopt the mode of gear bar driving to be implemented in back and forth walking on girder 1 track.

As Fig. 2, shown in 4, after steel pipe pallet car is transported to and assembles in the tunnel 15, the end of tile 13 from communications and transportation in the hole to chassis assembled, suitably telescopic adjustment support 9 meets the design radius of curvature of steel pipe, with 4-6 first tile of end working fastening of regulating support 9, after rotating a suitable angle, swivel mount 8 fixes next tile, to connect with welding manner between two tiles, finish the tile assembling successively and form a steel pipe joint 14, utilize that the function of steel pipe pallet car rotation and vertically walking is auxiliary finishes the longitudinal joint of steel pipe joint 14 and the welding of circumferential weld, afterwards, steel pipe joint 14 is transported to the installation position by vertical walker 5, install the joint except that initial, all the other every joints are all transferred circle and fixing accurately according to a last joint.

Shown in Fig. 5,6, shrink to regulate and support 9, the special welding support is installed and is connected corresponding welding gear in its end, realize the efficient automated welding of steel pipe installation circumferential weld, after Welding Testing is qualified, installation for welding is replaced by the noisy and spraying equipment of spray, rotates swivel mount 8 equally, may progressively finish the mechanization anticorrosive construction of steel pipe inwall.And usually after the installation every section steel pipe (about 8～15m) need a cement concrete of backfill outer wall, in this process, can utilize to regulate and support the final section steel pipe inwall that 9 even precompressed are installed, steel pipe produces big distortion when preventing casting concrete, and installing for next section steel pipe provides advantage.

As shown in Figure 7, major-minor two vertical walker of cover and swivel mounts are set on the steel pipe pallet car girder, main swivel mount 16 carries out the welding job of tile and steel pipe joint, auxiliary swivel mount 17 main being responsible for are installed and circumferential welding, its advantage is to can further improve plant efficiency, is applicable to the steel pipe engineering that welding capacity is very big.

Claims

1. large-scale steel pipe chassis, its structure comprises: girder (1), vertically walker (5), swivel mount (8), supporting leg (2), support arm (3), adjusting support (9), it is characterized in that vertical walker (5) is installed on the girder on (1), swivel mount (8) is installed on vertical walker (5), regulate support (9) and be installed on the swivel mount (8), tile (13) or steel pipe joint (14) can be temporarily fixed to regulate and support on (9).

2. steel pipe pallet car according to claim 1 is characterized in that chassis has 3 freedom of motions, has realized tile (13) or steel pipe joint (14) rotation, linear reciprocation walking movement and radiai adjustment.

3. steel pipe pallet car according to claim 1 is characterized in that can installing on the girder a cover vertical walker (5) and a swivel mount (8), and two cover vertical walker (5) and swivel mounts (8) also can be installed.

4. steel pipe pallet car according to claim 1 is characterized in that vertical walker (5) adopts winch or gear bar driver train to be implemented in back and forth walking on the track of girder (1).

5. according to each described steel pipe pallet car of claim 1～4, it is characterized in that being used for tile (13) adjustment, assembling, welding and the check thereof that steel pipe is made installation process.

6. according to each described steel pipe pallet car of claim 1～4, it is characterized in that being used for the transportation of steel pipe joint, transportation range is in 18m.

7. according to each described steel pipe pallet car of claim 1～4, it is characterized in that being used for the steel pipe joint and install.

8. according to each described steel pipe pallet car of claim 1～4, it is characterized in that being used for burying underground in concrete backfill process interim in the steel pipe outside and support.

9. according to each described steel pipe pallet car of claim 1～4, it is characterized in that being used for steel pipe vertical seam and circumferential welding and check thereof.

10. according to each described steel pipe pallet car of claim 1～4, it is characterized in that being used for the anticorrosion of steel pipe.