CN217502792U

CN217502792U - Supporting track for pipe jacking construction

Info

Publication number: CN217502792U
Application number: CN202221463424.8U
Authority: CN
Inventors: 苗振华
Original assignee: Luoyang Dianniu Municipal Engineering Co ltd
Current assignee: Luoyang Dianniu Municipal Engineering Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-27
Anticipated expiration: 2032-06-13

Abstract

The application relates to a supporting track for pipe jacking construction, include: pretension subassembly and two tracks are equipped with the horizontal adjustment mechanism who is used for adjusting two track intervals between two tracks, and the track lower extreme is equipped with a plurality of regulation supports, and the level of adjusting the support can be adjusted, and the pretension subassembly sets up between two tracks for exert the power that is close to each other to two tracks, in order to realize two track pretensions. This application simple structure can adjust track interval and level, and it is convenient to adjust, has improved the efficiency of construction.

Description

Supporting track for pipe jacking construction

Technical Field

The utility model relates to a construction technical field that the push pipe shield constructs, in particular to supporting track is used in push pipe construction.

Background

The pipe-jacking construction is a non-excavation construction method, is a pipeline burying construction technology without excavation or with less excavation, and is characterized in that the pipe-jacking construction is to jack the pipeline into the soil according to the designed gradient and transport away the earthwork by means of the jacking force generated by jacking equipment in a working pit to overcome the friction force between the pipeline and the surrounding soil.

During pipe jacking construction, the pipeline needs to be placed on a pre-laid track through a crane to jack in, and simultaneously, because the diameter of laying the pipeline is different, the interval also needs to be changed between the tracks, the existing support track mostly adopts shaped steel welding to form, the construction is comparatively loaded down with trivial details, and the track width can not be adjusted, a track can only be used for a pipeline pipe diameter, application scope is more single, and the guide rail that welded fastening becomes, can't be according to the on-the-spot demand, height-adjusting and track interval, cause very big inconvenience to the construction, influence the construction progress.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pipe jacking construction is with support track, simple structure can adjust track width and level, and it is convenient to adjust, has improved the efficiency of construction.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a supporting rail for pipe jacking construction, comprising:

the device comprises two rails, wherein a transverse adjusting mechanism for adjusting the distance between the two rails is arranged between the two rails, a plurality of adjusting supports are arranged at the lower ends of the rails, and the horizontal heights of the adjusting supports can be adjusted;

and the pre-tightening assembly is arranged between the two rails and is used for applying a force to the two rails to mutually approach so as to realize pre-tightening of the two rails. This application is through setting up horizontal adjustment mechanism, thereby can conveniently adjust the pipe use of the different diameters of interval adaptation between two tracks, can adjust the track level through adjusting the support, through the pretension subassembly, can apply the power that is close to each other to two tracks to realize two track pretensions, place the pipeline back on two tracks, the pretension subassembly has improved horizontal adjustment mechanism stress situation, has prolonged horizontal adjustment mechanism life.

Further, the transverse adjusting mechanism comprises a scissor jack, the jacking heads on the two sides of the scissor jack are respectively connected with the opposite side faces of the two rails, and a rocker is arranged at one end of a screw rod penetrating through the middle of the scissor jack.

Further, adjust the support and include undersetting and upper bracket, upper bracket one end slides and stretches into in the undersetting, the other end with the rail connection, be equipped with the mounting that is used for fixed upper bracket on the undersetting, be equipped with a plurality of and mounting complex first regulation hole along vertical direction on the upper bracket, correspond on the undersetting first regulation hole is provided with a plurality of and mounting complex second regulation hole.

Further, the mounting is the bolt, first regulation hole and second regulation hole are the screw thread through-hole.

Further, the bottom bracket includes the bottom plate and sets up the lower adapter sleeve on the bottom plate, and the second regulation hole sets up on the adapter sleeve down.

Furthermore, the upper support comprises a top plate connected with the track and an upper connecting sleeve arranged on the top plate, the upper connecting sleeve slidably extends into the lower connecting sleeve, and the first adjusting hole is formed in the upper connecting sleeve.

Furthermore, the upper connecting sleeve and the lower connecting sleeve are both made of square steel.

Furthermore, the pre-tightening assembly comprises a lead screw and nuts, the lead screw penetrates through the two tracks, and the nuts are in threaded connection with the two ends of the lead screw.

Furthermore, two the track relative one side is equipped with the slope holding surface, rotate on the slope holding surface and be equipped with a plurality of balls. The pipeline is provided with the plurality of balls in a rotating mode, the pipeline is placed and then is in contact with the balls, the pipeline is replaced by direct contact of the pipeline and the track, when the pipeline is pushed forwards, sliding friction between the pipeline and the track is changed into rolling friction between the balls and the pipeline, friction force is reduced, therefore, the pipeline is pushed forwards more easily, and energy consumption is reduced.

Drawings

Fig. 1 is a plan view of embodiment 1 of the present invention;

fig. 2 is a front view of embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a track according to embodiment 2 of the present invention.

The mark in the figure is: 1. the device comprises a nut, 2, a screw rod, 3, a track, 301, an inclined supporting surface, 4, a scissor jack, 401, a connecting plate, 5, a rocker, 6, an upper support, 601, a top plate, 602, an upper connecting sleeve, 603, a first adjusting hole, 7, a lower support, 701, a bottom plate, 702, a lower connecting sleeve, 703, a second adjusting hole, 8 and a ball.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-3, embodiment 1 of the present invention provides a supporting rail for pipe jacking construction, including: pretension subassembly and two tracks 3, two be equipped with the horizontal adjustment mechanism who is used for adjusting two 3 intervals in track between the

track

3, 3 lower extremes in track are equipped with a plurality of regulation supports, the level of adjusting the support can be adjusted, the pretension subassembly sets up between two tracks 3 for exert the power that is close to each other to two tracks 3 to realize two 3 pretensions in track.

As shown in fig. 1 and 2, the transverse adjusting mechanism includes a scissor jack 4, two side heads of the scissor jack 4 are respectively connected with opposite side surfaces of the two rails 3, the scissor jack 4 includes a connecting plate 401 located at the two side heads, the two side heads of the scissor jack 4 are both connected with the outer wall of the side surface of the rail 3 through a connecting plate 13, the scissor jack 4 is connected and fixed with the two rails 3, and the adjustment of the width distance between the two rails 3 is realized by adjusting the scissor jack 4, so that the scissor jack is suitable for pipelines with different diameters, the application range is wide, a rocker 5 is arranged at one end of a screw 402 penetrating through the middle of the scissor jack 4, and the use of the scissor jack 4 is conveniently adjusted by a worker through the rocker 5, the adjustment is convenient, it is required to say that the scissor jack 4 is the prior art, and the application is not described in detail herein.

Specifically, a plurality of regulation support interval equipartitions are at the 3 lower extremes of track, as shown in fig. 2, adjust the support and include undersetting 7 and upper bracket 6, in 6 one end of upper bracket slided and stretched into undersetting 7, the other end with track 3 is connected, be equipped with the mounting that is used for fixed upper bracket 6 on the undersetting 7, be equipped with a plurality ofly along vertical direction on the upper bracket 6 and the first regulation hole 603 of mounting complex, correspond on the undersetting 7 first regulation hole 603 is provided with a plurality ofly and mounting complex second regulation hole 703, the mounting is the bolt, first regulation hole 603 and second regulation hole 703 are threaded through hole.

More specifically, as shown in fig. 2, the lower support 7 includes a bottom plate 701 and a lower connection sleeve 702 disposed on the bottom plate 701, the lower connection sleeve 702 is vertically disposed at the upper end of the bottom plate 701, a plurality of second adjustment holes 703 are axially spaced along the lower connection sleeve 702 and disposed on the lower connection sleeve 702, the upper support 6 includes a top plate 601 connected to the rail 3 and an upper connection sleeve 602 disposed on the top plate 601, the top plate 601 is horizontally disposed at the lower end of the rail 3, the upper connection sleeve 602 is vertically disposed at the lower end of the top plate 601, the upper connection sleeve 602 slidably extends into the lower connection sleeve 702, a plurality of first adjustment holes 603 are axially spaced along the upper connection sleeve 602 and disposed on the upper connection sleeve 602, the upper connection sleeve 602 and the lower connection sleeve 702 are both rectangular, and both the upper connection sleeve 602 and the lower connection sleeve 702 are made of square steel.

When the horizontal height is adjusted, the height is adjusted by adjusting the length of the upper connecting sleeve 602 extending into the lower connecting sleeve 702, and after the height adjustment is completed, the fixing member passes through the first adjusting hole 603 and the second adjusting hole 703 to realize locking.

In addition, as shown in fig. 1, the two pre-tightening components are provided, each pre-tightening component comprises a lead screw 2 and a nut 1, each lead screw 2 is located above the scissor jack 4, each lead screw 2 is arranged on the two rails 3 in a penetrating mode, the rails 3 are provided with through holes for the lead screws 2 to pass through, the diameter of each through hole is slightly larger than the outer diameter of each lead screw 2, the nuts 1 are in threaded connection with the two ends of each lead screw 2, the nuts 1 are two and located on the outer sides of the two rails 3, and the two nuts 1 can apply mutually close force to the two rails 3, so that the two rails 3 are pre-tightened, and after the pipelines are placed on the two rails 3, the stress condition of the transverse adjusting mechanism is improved by the pre-tightening components, and the service life of the transverse adjusting mechanism is prolonged.

Of course, the present invention is not limited to the above-described embodiments, and several other embodiments based on the design concept of the present invention are provided below.

For example, in embodiment 2, unlike the above-described embodiment, as shown in fig. 3, an inclined support surface 301 is provided on one side of the two rails 3 opposite to each other, a plurality of balls 8 are rotatably provided on the inclined support surface 301, the plurality of balls 8 are rotatably provided, the balls 8 are steel balls, the pipe is placed and then contacted with the balls 8, instead of being directly contacted with the rails 3, when the pipe is pushed forward, the sliding friction between the pipe and the rails 3 is converted into the rolling friction between the balls 8 and the pipe, and the friction is reduced, so that the pipe is pushed forward more easily, and the energy consumption is also reduced.

For example, in an embodiment 3, different from the above-described embodiment, four nuts 1 are provided on a lead screw 2, the two nuts 1 form a group, the lead screw 2 is inserted into two rails 3, the four nuts 1 are screwed onto the lead screw 2, the nuts 1 are provided on the left and right sides of each rail 3, and the nuts are provided on the two sides of each rail 3, so as to ensure the stability of pretension.

It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.

Claims

1. The utility model provides a supporting track is used in push pipe construction which characterized in that includes:

the device comprises two rails (3), wherein a transverse adjusting mechanism for adjusting the distance between the two rails (3) is arranged between the two rails (3), a plurality of adjusting supports are arranged at the lower ends of the rails (3), and the horizontal heights of the adjusting supports can be adjusted;

and the pre-tightening assembly is arranged between the two tracks (3) and is used for applying a force to the two tracks (3) to mutually approach so as to pre-tighten the two tracks (3).

2. The pipe jacking construction supporting rail of claim 1, wherein: the transverse adjusting mechanism comprises a scissor jack (4), the jacking heads on two sides of the scissor jack (4) are respectively connected with the opposite side surfaces of the two rails (3), and a rocker (5) is arranged at one end of a screw rod (402) penetrating through the middle of the scissor jack (4).

3. The pipe jacking construction supporting rail of claim 2, wherein: the utility model discloses a support is including adjusting the support and including undersetting (7) and upper bracket (6), in upper bracket (6) one end slided and stretches into undersetting (7), the other end with track (3) are connected, be equipped with the mounting that is used for fixed upper bracket (6) on undersetting (7), be equipped with a plurality of and mounting complex first regulation hole (603) along vertical direction on upper bracket (6), correspond on undersetting (7) first regulation hole (603) are provided with a plurality of and mounting complex second regulation hole (703).

4. The pipe jacking construction supporting rail of claim 3, wherein: the fixing piece is a bolt, and the first adjusting hole (603) and the second adjusting hole (703) are both threaded through holes.

5. The pipe jacking construction supporting rail of claim 4, wherein:

the lower support (7) comprises a bottom plate (701) and a lower connecting sleeve (702) arranged on the bottom plate (701), and the second adjusting hole (703) is arranged on the lower connecting sleeve (702).

6. The supporting rail for pipe jacking construction according to claim 5, wherein: the upper support (6) comprises a top plate (601) connected with the track (3) and an upper connecting sleeve (602) arranged on the top plate (601), the upper connecting sleeve (602) extends into the lower connecting sleeve (702) in a sliding mode, and a first adjusting hole (603) is formed in the upper connecting sleeve (602).

7. The pipe jacking construction supporting rail of claim 6, wherein: the upper connecting sleeve (602) and the lower connecting sleeve (702) are both made of square steel.

8. The pipe jacking construction supporting rail according to any one of claims 1 to 7, wherein: the pre-tightening assembly comprises a lead screw (2) and a nut (1), the lead screw (2) is arranged on the two tracks (3) in a penetrating mode, and the nut (1) is connected to the two ends of the lead screw (2) in a threaded mode.

9. The pipe jacking construction supporting rail of claim 8, wherein: two the track (3) relative one side is equipped with inclined support face (301), inclined support face (301) go up to rotate and are equipped with a plurality of balls (8).