CN2207499Y

CN2207499Y - Support for underground gas pipeline

Info

Publication number: CN2207499Y
Application number: CN 94207828
Authority: CN
Inventors: 苏宝中
Original assignee: BEIJING GAS DESIGN Co
Current assignee: BEIJING GAS DESIGN Co
Priority date: 1994-04-09
Filing date: 1994-04-09
Publication date: 1995-09-13
Anticipated expiration: 2004-04-09

Abstract

The utility model relates to a support for underground gas pipelines used for passing through railways, highways, etc., which is composed of a sleeve pipe 1, a pipe clamping part 2 and a supporting part, wherein, the pipe clamping part 2 which is installed and clamped on the outside of the gas pipelines is supported on a boat-shaped supporting frame 3, and a roller wheel component 4 is installed on the lower part of the boat-shaped supporting frame 3; both the boat-shaped supporting frame 3 and the roller wheel component 4 are connected with a height regulating component 5, and the pipelines are conducted through the roller wheel component 4 along the inner wall of the sleeve pipe 1; the boat-shaped supporting frame 3 is lowered through the height regulating component 5, and the supporting plates 3 and 4 of the two ends of the boat-shaped supporting frame 3 are supported on the inner wall of the sleeve pipe 1 to support. The utility model has the advantages of simple structure, fast installation, investment saving and reliable quality.

Description

Support for underground gas pipeline

The bearing device of using when the utility model relates to a kind of under ground piping railroad crossing, highway, particularly gas pipeline bearing device.

The gas pipeline laying generally is embedded in underground, when railroad crossing, highway, does not allow maybe can not excavate the open drain pipe laying, when needing from underground passing through, then adopt the jacking construction method, be about to sleeve pipe and head into, pass railway or highway from underground, lay concrete cushion in the sleeve pipe with concrete system, become flat bed course with concrete with the embedded part cast-in-site, treat that flat blinding concrete solidifies after, again gas pipeline is loaded onto the pipe clamp support, push in the concrete sleeve, there is following shortcoming in this method:

1, cast-in-site in the concrete sleeve, operation is difficulty, and particularly the push pipe of longer distance will accomplish that the concrete pipe inner cushion layer is straight, has great difficulty, difficult quality guarantee.

2, the engineering phase longer, the cast-in-place concrete bed course needs through the maintenance solidification process.

3, when the combustion gas caliber big ( More than 500) distance is when longer, and this gas pipeline weight increases, and when gas pipeline was pushed sleeve pipe, support of pipelines increased bed course frictional force, and fragile bed course also easily abrades the anticorrosive coat of gas pipeline.

In order to solve above-mentioned difficulties, the utility model proposes a kind of underground bearing device of gas pipeline for railroad crossing, highway, river etc., this device is simple and easy to do, need not the cast concrete bed course in the sleeve pipe, shorten the construction time, alleviate workload, gas pipeline can push in the sleeve pipe easily, safe and reliable, the anticorrosive coat that guarantees gas pipeline can not sustain damage in construction, adopt this bearing device to carry out crossing construction, its cost with compare with concrete cushion method construction, engineering cost reduces greatly.

The utility model is achieved in that it is by sleeve pipe 1, pipe clamp parts 2 and support unit are formed, the pipe clamp parts 2 that are installed on the gas pipeline outer surface are positioned on the support unit, they all are positioned at sleeve pipe 1, described support unit is by boat-shaped support 3, roll wheel assembly 4 and height adjustment assembly 5 are formed, pipe clamp parts 2 are supported in the below and are equipped with on the boat-shaped support 3 of roll wheel assembly 4, boat-shaped support 3 all links to each other with height adjustment assembly 5 with roll wheel assembly 4, regulate the height of gas pipeline G by height adjustment assembly 5, two sides of boat-shaped support 3 have supporting plate 34, on the inwall that is bearing in sleeve pipe 1, on the roller shaft 44 in the roll wheel assembly 4 roller 43 is housed, the axle head 45 of this roller shaft extend into a left side, right supported plate 41,42 elongated slot 46, in 47, and can in this elongated slot, move up and down, adjusting bolt 51 in the height adjustment assembly 5 is arranged in the corresponding screw of boat-shaped support 3,51 ends, 54 roof pressures of this bolt are on the axle head 45 of roller shaft, should regulate bolt 51 by turn, to regulate this roller shaft 44 on a left side, right supported plate 41,42 elongated slot 46, upper-lower position in 47, thereby the height of adjusting gas pipeline; Or at the axle head 45 of described roller shaft and regulate between the bolt 51 depression bar 53 is housed, by this depression bar 53 of end 54 roof pressures of regulating bolt 51, by depression bar 53 roof pressures on the axle head 45 of two roller shafts; During installation, need not to lay concrete cushion in the sleeve pipe 1, under roller 43 guiding of gas pipeline in roll wheel assembly 4, be pushed at an easy rate in the sleeve pipe 1, to move on roller shaft 44 tunings with regulating bolt 51 then, boat-shaped support 3 is descended, the supporting plate 34 of boat-shaped support two sides is bearing on the inwall of sleeve pipe 1, be about to gas pipeline supporting location.

Adopt this bearing device, import by roller, reduced the sliding friction between support of pipelines and the embedded part widely, not only push easy and unlikely because frictional force is excessive when causing pushing that the anticorrosive coat of gas pipeline outer surface is scratched, guaranteed quality, alleviated heavy manual labor, improved efficiency of construction, in addition, owing to saved concrete cast-in-site operation, saved wide variety of materials, the maintenance solidification process has been accelerated construction speed widely, compare with original concrete cushion method construction, the utlity model has simple in structure, install fast, save investment, the reliable quality advantage.

Do concrete introduction with embodiment below:

Fig. 1 is a front view of the present utility model;

Fig. 2 is a left side view of the present utility model;

Fig. 3 is the stereogram at A place among Fig. 1 and Fig. 4;

Fig. 4 is used to be equipped with the structural drawing of two pipelines for the utility model.

As shown in Figure 1 and Figure 2, in the present embodiment, the gas pipeline G of pipe clamp parts 2 of being installed on the outer surface is positioned at the sleeve pipe 1 that concrete is made, pipe clamp parts 2 are two halves, form by last pipe clamp 21 and following pipe clamp 22 and bolt 25 nuts 26 that are tightened on the pipe clamp bead 23,24 up and down, will descend support plate 29 usefulness bolts 28 nuts 30 of pipe clamp 22 bottoms to be fastened on the boat-shaped support 3; Boat-shaped support 3 is made up of upper plate 31, lower plate 32, riser 33 and supporting plate 34, and riser 33 is between upper plate 31 and lower plate 32, and supporting plate 34 is connected the end of upper plate 31 and lower plate 33; The cross section of this supporting plate 34 is a circular shape, and all radius of curvature and the home position with sleeve pipe 1 inwall is identical with home position for the radius of curvature of this circular arc; Roll wheel assembly 4 is made up of the left supported plate 41 that is contained in boat-shaped support 3 bottoms, right supported plate 42, the roller shaft 44 that is set with roller 43, and two ends 45 of this roller shaft 44 are contained in the elongated slot 46,47 of left and right support plate, and the top of this end 45 is the plane; The cross section of roller 43 is dolioform; Height adjustment assembly 5 is formed by regulating bolt 51, nut 52 and depression bar 53, depression bar 53 is positioned at the top of roller shaft 44 2 axle heads 45, bolt 51 screws in the screw of lower plate 32, and its end 54 is pressed on the depression bar 53, by the nut 52 that is spun on the bolt 51 it is fastened on the lower plate 32; As mentioned above, the axle head 45 of two flat-tops of roller shaft 44 extend in the elongated slot 46,47 on the left and right sides support plate 41,42, bolt 51 in the screw of lower plate 32, its end 54 contacts with the depression bar 53 that connects above two roller shaft axle heads 45, regulate the height of boat-shaped support 3 with bolt 51, utilize bolt 51 depression bar 53 to be pressed to the axle head 45 of roller shaft, another kind of structure is regulated the high and low position of a roller shaft axle head 45 of bolt 51 controls for each, end 54 by bolt 51 directly contacts with roller shaft axle head 45, saved depression bar 53, not shown herein.When installing, with each parts, assembly installs, and by certain distance this bearing device is loaded onto along the gas pipeline axis, with height adjustment bolt 51 turns, depression bar 53 is pressed on the roller shaft axle head 45, make roller shaft 44 along elongated slot 46,47 be directed downwards mobile, the position of boat-shaped support 3 is raised, do guiding with the roller in the roll wheel assembly 4 43, the gas pipeline G that bearing device is housed is pushed in the sleeve pipe 1, when pushing, because raise the position of carriage 34, so on the unlikely end face of running into sleeve pipe 1, when push put in place after, with bolt 51 counterrotatings, make boat-shaped support 3 descend until supporting plate 34 be pressed onto supported on sleeve pipe 1 inwall till, Figure 1 shows that situation by roller 43 supportings, because the error during construction, may be when mounted, the shaft axis of the shaft axis of gas pipeline G and sleeve pipe 1 has deviation, therefore, on the support plate 29 of following pipe clamp 22, have the circular arc slotted hole 36 of two symmetries, be used for laying the bolt 28 of fastening these pipe clamp parts 2 and boat-shaped support 3 usefulness, as shown in Figure 3, stereogram for the A place, when the two shaft axis has deviation, can utilize this circular arc slotted hole 36 that the boat-shaped support 3 and the setting angle of pipe clamp 2 are regulated, above last pipe clamp 21, be fixed with and end floating post 27, to prevent that entering underground water in the sleeve pipe 1 floats gas pipeline G, cause gas pipeline to damage, the bed course made of asbestos or rubber is housed in case the anticorrosive coat of gas pipeline is damaged between pipe clamp parts 2 and gas pipeline G, after finishing by dress, weld this pipeline G by joint, two ends block at sleeve pipe 1 has wall 7, with stuffing box packing 8 fillings, whether leak detection tube 9 is used for detecting on the ground under ground piping G and sews between wall 7 and the pipeline G, and the bottom of waste pipe 10 is positioned at the bottom of sleeve pipe 1, the top is led on the ground, is used for getting rid of the underground water that enters in the sleeve pipe 1 from the top with pump.

Figure 4 shows that another kind of structure of the present utility model, the supporting structure figure of two gas pipelines promptly is housed in sleeve pipe 1, the bearing device of this supporting structure and single gas pipeline is similar, two gas pipelines just are housed on boat-shaped support 3, bolt 271 is housed on pipe clamp parts 2, with nut 272 that attachment strap is fastening, on attachment strap 273, be equipped with and end floating post 27.

Claims

1, the underground gas pipeline bearing device, by sleeve pipe (1), pipe clamp parts (2), support unit is formed, the pipe clamp parts (2) that are installed on the gas pipeline outer surface are positioned on the support unit, and all be positioned at sleeve pipe (1), it is characterized in that: described support unit is by boat-shaped support (3), roll wheel assembly (4) and height adjustment assembly (5) are formed, pipe clamp parts (2) are supported in the below and are equipped with on the boat-shaped support (3) of roll wheel assembly (4), two sides of boat-shaped support (3) have supporting plate (34) with on the inwall that is bearing in sleeve pipe (1), the axle head (45) of the roller shaft in the roll wheel assembly (4) extend into left and right sides support plate (41), (42) elongated slot (46), (47) in, adjusting bolt (51) in the height adjustment assembly (5) is arranged in the corresponding screw of boat-shaped support, and end (54) roof pressure of this bolt (51) is on the axle head (45) of roller shaft.

2, by the bearing device described in the claim 1, it is characterized in that: between the end (54) of the axle head (45) of described roller shaft and adjusting bolt, depression bar (53) is housed also.

3, by the bearing device described in the claim 1 or 2, it is characterized in that: described boat-shaped support (3) is made up of upper plate (31), lower plate (32), riser (33) and supporting plate (34), riser (33) is positioned between upper plate (31) and the lower plate (32), and supporting plate (34) is connected the end of upper plate (31) and lower plate (32) both sides.

4, by the bearing device described in the claim 3, it is characterized in that: described supporting plate (34) cross section is a circular arc, and all radius of curvature and the home position with sleeve pipe (1) inwall is identical with home position for the radius of curvature of this circular arc.

5, by the bearing device described in the claim 1 or 2, it is characterized in that: on the support plate (29) of the following pipe clamp (22) of described pipe clamp parts (2), have the circular arc slotted hole (36) of two symmetries.

6, by the bearing device described in the claim 1 or 2, it is characterized in that: described roll wheel assembly (4) is made up of the left supported plate (41) that is contained in boat-shaped support (3) bottom, right supported plate (42), the roller shaft (44) that is set with roller (43), this roller shaft (44) extend into the elongated slot (46) of left and right support plate (41), (42), two axle heads (45) in (47), and its top is the plane.

7, by the bearing device described in the claim 6, it is characterized in that: the cross section of described roller (43) is dolioform.

8, by the bearing device described in the claim 1, it is characterized in that: described height adjustment assembly (5) is made up of adjusting bolt (51), nut (52), this adjusting bolt (51) is contained in the corresponding screw of boat-shaped support lower plate (32), and its end (54) roof pressure is to the axle head (45) of roller shaft.

9, by the bearing device described in the claim 2, it is characterized in that: described height adjustment assembly (5) is formed by regulating bolt (51), nut (52) and depression bar (53), this adjusting bolt (51) is contained in the corresponding screw of boat-shaped support lower plate (32), and its end (54) roof pressure is to the depression bar (53) that is positioned on two roller shaft axle heads (45).

10, by the bearing device described in the claim 1, it is characterized in that: be equipped with at the top of described pipe clamp parts (2) and end floating post (27).