CN211951664U

CN211951664U - Protection device for laying river-crossing pipeline

Info

Publication number: CN211951664U
Application number: CN202020078417.0U
Authority: CN
Inventors: 谢芳
Original assignee: Nanjing Guangyuan Municipal Design Co ltd
Current assignee: Nanjing Guangyuan Municipal Design Co ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-11-17
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a protection device for laying river-crossing pipeline, including the crossbeam, the horizontal pipe that is located on the crossbeam, the dip pipe that links to each other with the horizontal pipe and set up at the crossbeam diapire and along the pile sinking of its axial equidistant range, still including setting up the brace table at the crossbeam roof, the lock hoop that is located the dip pipe both sides and along its length direction equidistant range, the roof of brace table is equipped with the holding tank that is used for placing the horizontal pipe, the slope of the roof both sides of brace table is equipped with and the flaring groove that is linked together with the holding tank, the juncture that the dip pipe is connected with the horizontal pipe is laminated on the cell wall in flaring groove, be equipped with the installed part that fixes the horizontal pipe in the holding tank on the brace table, the roof of crossbeam is equipped with the abutting assembly that drives two lock hoops to laminate; this protection device makes things convenient for personnel quick fixes horizontal pipe, slope pipe on the support, avoids the connection juncture between horizontal pipe and the slope pipe not hard up, has prolonged the life of pipeline.

Description

Protection device for laying river-crossing pipeline

Technical Field

The utility model relates to a technical field of pipeline laying under water, in particular to a protection device for laying river-crossing pipeline.

Background

Urban water supply is one of the most important infrastructures in cities, and the quality of life of urban residents is seriously influenced due to the fact that a water supply system is incomplete and the urban water supply capacity is deficient. At present, in pipeline crossing engineering, an underwater or underground laying mode is adopted, so that a pipeline passes through rivers, lakes, railways, roads and other areas; the engineering measures for the pipeline to pass through the river mainly comprise cofferdam excavation, immersed tube construction or non-excavation construction methods such as top tube and the like.

The prior Chinese patent with the authorization publication number of CN105822834B discloses an underwater pipeline fixing device capable of being adjusted in multiple directions, wherein a pile top sleeve is sleeved at the upper end of a sunk pile and is fastened and connected by a horizontal bolt; the beam end sleeves at two ends of the beam are sleeved on the pile top sleeves and are fastened and connected by fixing bolts; the support is fixedly arranged in the middle of the upper end face of the cross beam through a support bolt, the pipeline is erected on the support and is fixedly connected with the cross beam through a clamp, a bolt and the support bolt; this fixing device reduces the installation degree of difficulty under water, can reduce the time limit for a project by a wide margin, reduces construction cost.

However, the above technical solutions have the following disadvantages: according to the shape of riverbed, the pipeline is generally formed by the combination of a plurality of horizontal pipes and inclined pipes, and the fixing device can only support and fix the horizontal pipes, because the inclined pipes are not supported and fixed, under the influence of water flow, the inclined pipes are easy to unbalance stress and shake, so that the joints between the inclined pipes and the horizontal pipes are not loosened, the water leakage phenomenon of the pipeline is caused, and the service life of the pipeline is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a protection device for laying river-crossing pipeline, its advantage is: make things convenient for personnel quick fix horizontal pipe, pipe tilt on the support, avoid the connection juncture between horizontal pipe and the pipe tilt not hard up, prolonged the life of pipeline, effectual improvement the installation effectiveness.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a protection device for laying river-crossing pipeline, includes the crossbeam, be located the horizontal pipe on the crossbeam, the slope pipe that links to each other with the horizontal pipe and set up at the crossbeam diapire and along the pile sinking of its axial equidistant range, still including setting up at the brace table of crossbeam roof, be located the slope pipe both sides and along the lock hoop of its length direction equidistant range, the roof of brace table is equipped with the holding tank that is used for placing the horizontal pipe, the slope of the roof both sides of brace table is equipped with and the flaring groove that is linked together with the holding tank, the juncture laminating that the slope pipe is connected with the horizontal pipe is on the cell wall in flaring groove, be equipped with the installed part of fixing the horizontal pipe in the holding tank on the brace table, the roof of crossbeam is equipped with the tight subassembly of supporting of two lock hoops laminating at.

Through the technical scheme, the horizontal pipe is placed in the accommodating groove, so that the side wall of the bottom end of the inclined pipe is placed in the flaring groove; secondly, fixing the horizontal pipe in the accommodating groove by using the mounting piece; then, the abutting component is utilized to drive the two lock hoops to mutually approach and abut against the outer wall of the inclined pipe, so that the inclined pipe is fixed, the pipeline is finally fixed, the flaring groove is arranged, the junction between the inclined pipe and the horizontal pipe is supported, the looseness of the junction between the inclined pipe and the horizontal pipe can be effectively avoided, and the pipeline can stably work; adopt the protection device that above-mentioned structure constitutes, make things convenient for personnel quick fix horizontal pipe, pipe chute on the support, prolonged the life of pipeline, effectual installation effectiveness that has improved.

The utility model discloses further set up to: the installed part comprises a plurality of screw rods which are arranged on the top wall of the supporting table at equal intervals and located on two sides of the accommodating groove, a compression hoop sleeved on the two opposite screw rods and a locking nut in threaded fit with the screw rods, wherein lifting holes for the screw rods to penetrate through are formed in two sides of the side wall of the compression hoop, and the compression hoop is compressed on the top wall of the horizontal pipe.

Through the technical scheme, the two ends of the pressing hoop are sleeved on the screw rods, and the pressing hoop is pressed on the top wall of the horizontal pipe downwards by screwing the locking nut, so that the horizontal pipe can be fixed in the accommodating groove; this mounting means, simple structure, convenient operation.

The utility model discloses further set up to: support tight subassembly and include equidistant range at the regulating block of crossbeam roof, double-phase to setting up at the supporting block of regulating block roof, deviate from the lateral wall respectively with two blocks and rotate the adjusting nut who is connected, set up respectively at two lock hoops and deviate from accommodate the lead screw on the lateral wall mutually, set up the guide block on the accommodate the lead screw lateral wall, the lateral wall of supporting the block is equipped with the through-hole that supplies accommodate the lead screw to pass, and is a plurality of the roof of regulating block is equipped with the guide way that supplies the guide block to slide, the axial perpendicular to crossbeam of guide way is axial, and is a plurality of the height dimension of regulating block is steadilyd decrease one by one to the direction that is close to the brace table, the roof of crossbeam is equipped with the spout along its axial, be equipped with in.

According to the technical scheme, firstly, the distance between two adjacent adjusting blocks is adjusted to a proper position by using the adjusting assembly; secondly, the two adjusting nuts are rotated, and the guide groove has a limiting effect on the movement of the guide block, so that the adjusting screw rod is driven to extend and retract in the through hole, the guide block slides in the guide groove, and the two lock hoops are driven to relatively move towards the outer wall direction of the inclined pipe, so that the inclined pipe is fixed; this support tight mode, easy operation makes things convenient for personnel quick fixed to the pipe that inclines, the installation effectiveness of effectual improvement.

The utility model discloses further set up to: the adjusting assembly comprises a plurality of end-to-end connected bidirectional screw rods arranged in the sliding groove in a rotating mode, a sliding block connected with the two ends of the bidirectional screw rods in a threaded mode and sliding in the sliding groove, the adjusting block is fixed to the top wall of the sliding block, one end of one of the bidirectional screw rods extends out of the outer wall of the end wall of the cross beam and is provided with a handle, and the outer wall of the cross beam is provided with a positioning piece used for fixing the bidirectional screw rods.

Through the technical scheme, the handle is rotated to drive the bidirectional screw rods to synchronously rotate, and the sliding grooves have a limiting effect on the movement of the sliding blocks, so that the two sliding blocks are driven to mutually approach or separate from each other, the two adjusting blocks are driven to relatively move, and the distance between the two adjusting blocks is adjusted; then, the positioning piece is utilized to fix the bidirectional screw rod, so that the bidirectional screw rod is prevented from rotating, the inclined pipe is stably supported and fixed, the pipeline can stably work, and the service life of the pipeline is prolonged; by adjusting the distance between two adjacent adjusting blocks, the inclined pipes with different lengths, sizes and specifications can be supported and fixed, and the application range is wide.

The utility model discloses further set up to: the locating piece includes positioning bolt and fixes a location section of thick bamboo at the crossbeam outer wall, the lateral wall of a location section of thick bamboo is equipped with the screw hole, positioning bolt passes the screw hole and supports the outer wall at two-way lead screw tightly.

Through the technical scheme, the positioning bolt is inserted into the threaded hole and rotated, so that the positioning bolt is abutted against the outer wall of the bidirectional screw rod, the bidirectional screw rod can be effectively prevented from rotating, and the bidirectional screw rod is fixed.

The utility model discloses further set up to: and the side wall of the positioning bolt is provided with a rubber pad and tightly abuts against the outer wall of the bidirectional screw rod.

Through the technical scheme, the rubber pad is arranged, so that the positioning bolt tightly supports the outer wall of the bidirectional screw rod, the friction force between the outer wall of the bidirectional screw rod and the side wall of the positioning bolt is increased, and the bidirectional screw rod is fixed.

The utility model discloses further set up to: the lateral wall that compresses tightly the hoop, the cell wall of holding tank all are equipped with the outer wall laminating of first blotter and horizontal pipe, the lateral wall of lock hoop is equipped with the outer wall laminating of second blotter and slope pipe.

Through above-mentioned technical scheme, first blotter and second blotter all can be the rubber material, and then strengthened the horizontal pipe lateral wall respectively with compress tightly the compactness of laminating between hoop lateral wall, the holding tank cell wall, strengthened the compactness of laminating between slope pipe outer wall and the lock hoop lateral wall simultaneously, improved the stability fixed to horizontal pipe, slope pipe.

The utility model discloses further set up to: the diapire of crossbeam is equipped with the sleeve, the sleeve is fixed at the outer wall of pile sinking through split bolt, the diapire of crossbeam, the roof of pile sinking all are equipped with the wave curved surface of mutually supporting.

Through the technical scheme, the sleeve and the sinking pile are detachably connected through the arrangement of the split bolts; the setting of wave curved surface has improved the stability of being connected between crossbeam and the pile sinking, avoids the crossbeam to receive the influence of rivers, takes place the skew phenomenon, and then has improved the stability of horizontal pipe, dip pipe.

To sum up, the utility model discloses following beneficial effect has:

1. due to the arrangement of the flaring grooves, the junction between the inclined pipe and the horizontal pipe is supported, the connection between the inclined pipe and the horizontal pipe can be effectively prevented from loosening, and the pipeline can stably work; by adopting the protection device with the structure, personnel can conveniently and quickly fix the horizontal pipe and the inclined pipe on the bracket, the service life of the pipeline is prolonged, and the installation efficiency is effectively improved;

2. the two adjusting nuts are rotated, and the guide grooves have a limiting effect on the movement of the guide blocks, so that the adjusting screw rods are driven to extend and retract in the through holes, the guide blocks slide in the guide grooves, and the two lock hoops are driven to relatively move towards the outer wall direction of the inclined pipe, so that the inclined pipe is fixed; the abutting mode is simple to operate, and is convenient for personnel to quickly fix the inclined pipe, so that the installation efficiency is effectively improved;

3. the setting of wave curved surface has improved the stability of being connected between crossbeam and the pile sinking, avoids the crossbeam to receive the influence of rivers, takes place the skew phenomenon, and then has improved the stability of horizontal pipe, dip pipe.

Drawings

Fig. 1 is an overall sectional structural schematic diagram of the present embodiment.

Fig. 2 is a schematic cross-sectional structure for embodying the mount.

Fig. 3 is a schematic cross-sectional structural view for embodying the clinch assembly.

Fig. 4 is an enlarged schematic structural view for embodying the portion a in fig. 3.

Fig. 5 is a schematic cross-sectional structure diagram for embodying the positioning member.

Reference numerals: 1. a cross beam; 2. a horizontal tube; 3. an inclined tube; 4. pile sinking; 5. a support table; 6. a locking band; 7. accommodating grooves; 8. a flared groove; 9. a mounting member; 91. a screw; 92. a compression collar; 93. locking the nut; 94. a lifting hole; 10. a propping component; 101. an adjusting block; 102. supporting a block; 103. adjusting the nut; 104. adjusting the screw rod; 105. a guide block; 106. a through hole; 107. a guide groove; 11. a chute; 12. an adjustment assembly; 121. a bidirectional screw rod; 122. a slider; 123. a handle; 13. a positioning member; 131. positioning the bolt; 132. a positioning cylinder; 133. a threaded hole; 134. a rubber pad; 14. a first cushion pad; 15. a second cushion pad; 16. a sleeve; 17. oppositely pulling the bolts; 18. a wavy curved surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a protection device for laying river-crossing pipeline, refers to figure 1, includes horizontal pipe 2, the slope pipe 3 that links to each other with horizontal pipe 2 and is used for bearing horizontal pipe 2, the crossbeam 1 of slope pipe 3, and the diapire of crossbeam 1 is arranged along its length direction equidistant has a plurality of pile sinking 4 to place horizontal pipe 2, slope pipe 3 stably at the river bottom.

Referring to fig. 1, the bottom wall of the beam 1 is provided with a sleeve 16, the sleeve 16 is fixed on the outer wall of the pile sinking 4 through a split bolt 17, so that the beam 1 is detachably connected with the pile sinking 4, and the beam 1 with a proper length and size can be installed as required; the diapire of crossbeam 1, the roof of pile sinking 4 all are equipped with the wave curved surface 18 of mutually supporting, have improved the stability of being connected between crossbeam 1 and the pile sinking 4, avoid crossbeam 1 to receive the influence of rivers, take place the skew phenomenon, and then have improved the stability of horizontal pipe 2, inclined tube 3.

Referring to fig. 1, in order to stably support a horizontal pipe 2, a supporting table 5 is arranged in the middle of the top wall of a cross beam 1 along the axial direction of the top wall, an accommodating groove 7 is formed in the top wall of the supporting table 5, the cross section of the accommodating groove 7 is semicircular so as to stably support the horizontal pipe 2, and an installing part 9 for stably fixing the horizontal pipe 2 in the accommodating groove 7 is arranged on the supporting table 5; the both sides of inclined tube 3 are equipped with a plurality of lock hoops 6 along its length direction equipartition, and the roof of crossbeam 1 is equipped with two lock hoops 6 of drive and laminates the tight subassembly 10 of support on inclined tube 3 outer wall, and then can be with inclined tube 3 stable fixation on crossbeam 1.

For further improving the stability of horizontal pipe 2 and dip pipe 3, the roof both sides of brace table 5 are equipped with the flaring groove 8 that is linked together with holding tank 7, 8 slopes in flaring groove set up, the lower one end in flaring groove 8 is towards holding tank 7, the setting in flaring groove 8, a lateral wall for the lower one end of bearing dip pipe 3, and then can carry out the outrigger to the juncture of being connected between dip pipe 3 and horizontal pipe 2, avoid taking place the phenomenon of leaking between dip pipe 3 and the horizontal pipe 2, the life of pipeline has been prolonged.

Referring to fig. 1 and 2, the mounting member 9 includes a plurality of pressing hoops 92 arranged at equal intervals, a plurality of screws 91 are arranged at the top wall of the support table 5 and at the two sides of the accommodating groove 7 at equal intervals, locking nuts 93 are connected to the screws 91 in a threaded manner, the screws 91 are connected to the top wall of the support table 5 in a threaded manner, so that the mounting and dismounting are facilitated, lifting holes 94 for the screws 91 to pass through are formed in the two sides of the side wall of the pressing hoops 92, the screws 91 are sleeved with the two ends of the pressing hoops 92, and the locking nuts 93 are screwed down, so that the pressing hoops 92 are pressed down on the top wall of the horizontal pipe; this mounting means, simple structure, convenient operation.

Referring to fig. 1 and 2, the side wall of the clamp 92 and the wall of the accommodating groove 7 are both provided with a first buffer pad 14 which is attached to the outer wall of the horizontal pipe 2, so that the attaching tightness between the outer wall of the horizontal pipe 2 and the side wall of the clamp 92 and the wall of the accommodating groove 7 is enhanced; the side wall of the lock hoop 6 is provided with a second buffer pad 15 which is attached to the outer wall of the inclined pipe 3, so that the attaching tightness between the outer wall of the inclined pipe 3 and the side wall of the lock hoop 6 is enhanced; the arrangement of the first cushion pad 14 and the second cushion pad 15 improves the stability of the fixing of the horizontal pipe 2 and the inclined pipe 3.

Referring to fig. 3 and 4, the tightening assembly 10 includes adjusting blocks 101 arranged on the top wall of the beam 1 at equal intervals, two support blocks 102 oppositely arranged on the top wall of the adjusting blocks 101, adjusting nuts 103 rotatably connected to the two support blocks 102 opposite to the side walls, adjusting screws 104 respectively arranged on the two lock hoops 6 opposite to the side walls, and guide blocks 105 arranged on the side walls of the adjusting screws 104, the side walls of the support blocks 102 are provided with through holes 106 for the adjusting screws 104 to pass through, the adjusting blocks 101 are arranged in a T shape, the top wall of the horizontal end of the adjusting blocks 101 is provided with guide grooves 107 for the guide blocks 105 to slide, the length direction of the guide grooves 107 is perpendicular to the length direction of the beam 1, and the height dimensions of the adjusting blocks 101 gradually decrease toward the direction close to the support platform 5 so as to stably support the inclined tube 3.

During installation, the two adjusting nuts 103 are firstly rotated, and the guide groove 107 has a limiting effect on the movement of the guide block 105, so that the adjusting screw rod 104 is driven to extend and retract in the through hole 106, the guide block 105 slides in the guide groove 107, and the two lock hoops 6 are driven to relatively move towards the outer wall direction of the inclined pipe 3, so that the inclined pipe 3 is fixed; this support tight mode, easy operation makes things convenient for personnel quick fixed to the pipe chute 3, the installation effectiveness of effectual improvement.

Referring to fig. 3, for the convenient stable support to the inclined tube 3, the top wall of the cross beam 1 is provided with a chute 11 along the axial direction thereof, an adjusting assembly 12 for adjusting the distance between two adjacent adjusting blocks 101 is arranged in the chute 11, the adjusting assembly 12 comprises a plurality of end-to-end bidirectional screws 121 rotatably arranged in the chute 11, and sliders 122 connected with two ends of the bidirectional screws 121, the sliders 122 slide in the chute 11, the vertical bottom ends of the adjusting blocks 101 are fixed on the top wall of the sliders 122, in the embodiment, the number of the bidirectional screws 121 is two, one end of one bidirectional screw 121 extends out of the outer wall of the end wall of the cross beam 1 and is provided with a handle 123, and the outer wall of the cross beam 1 is provided with a positioning part 13 for fixing the bidirectional.

During adjustment, the handle 123 is rotated to drive the bidirectional screw rods 121 to synchronously rotate, and the sliding chute 11 has a limiting effect on the movement of the sliding blocks 122, so that the two sliding blocks 122 are driven to approach or separate from each other, the two adjusting blocks 101 are driven to relatively move, and the distance between the two adjusting blocks 101 is adjusted; then, the positioning piece 13 is used for fixing the bidirectional screw rod 121, so that the bidirectional screw rod 121 is prevented from rotating, the inclined pipe 3 is stably supported and fixed, the pipeline can stably work, and the service life of the pipeline is prolonged; and the distance between two adjacent adjusting blocks 101 is adjusted, so that the inclined pipes 3 with different length and size specifications can be fixed, and the application range is wide.

Referring to fig. 3 and 5, the positioning member 13 includes a positioning bolt 131 and a positioning cylinder 132 fixed to the end wall of the cross beam 1, and a threaded hole 133 is formed in a side wall of the positioning cylinder 132; the positioning bolt 131 is inserted into the threaded hole 133, and the positioning bolt 131 is rotated, so that the positioning bolt 131 abuts against the outer wall of the bidirectional screw rod 121, the bidirectional screw rod 121 can be effectively prevented from rotating, and the bidirectional screw rod 121 is fixed.

Referring to fig. 5, the side wall of the positioning bolt 131 is provided with a rubber pad 134 and abuts against the outer wall of the bidirectional screw rod 121, and the rubber pad 134 is arranged, so that the positioning bolt 131 abuts against the outer wall of the bidirectional screw rod 121, the friction between the outer wall of the bidirectional screw rod 121 and the side wall of the positioning bolt 131 is increased, and the bidirectional screw rod 121 is fixed.

The working process is as follows: firstly, the horizontal pipe 2 is placed in the accommodating groove 7, so that the bottom end side wall of the inclined pipe 3 is placed in the flaring groove 8; secondly, sleeving two ends of the pressing hoop 92 on the screw rods 91, and screwing the locking nuts 93 tightly, so that the pressing hoop 92 presses the horizontal pipe 2 downwards in the accommodating groove 7; secondly, the handle 123 is rotated to drive the bidirectional screw rod 121 to rotate, and the sliding chute 11 plays a limiting role in the movement of the sliding block 122, so that the two adjusting blocks 101 are driven to relatively slide, and the distance between the two adjacent adjusting blocks 101 can be adjusted to a proper position.

Then, the positioning bolt 131 is rotated, so that the rubber pad 134 is tightly abutted to the outer wall of the bidirectional screw rod 121, the friction force between the positioning bolt 131 and the outer wall of the bidirectional screw rod 121 is increased, the bidirectional screw rod 121 is fixed, and the stability of the adjusting block 101 is improved; rotate two adjusting nut 103 at last, because guide way 107 plays limiting displacement to guide block 105's removal, and then screw rod 91 slides in through-hole 106 for two lock hoops 6 are close to each other, and then can hug closely second blotter 15 at the outer wall of inclined tube 3, thereby can fix inclined tube 3, finally realized fixing the pipeline, make the pipeline can stable work, prolonged the life of pipeline.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a protection device for laying river-crossing pipeline, includes crossbeam (1), horizontal pipe (2) that are located crossbeam (1), slope pipe (3) that link to each other with horizontal pipe (2) and set up in crossbeam (1) diapire and along pile sinking (4) of its axial equidistant range, its characterized in that: still including setting up brace table (5) at crossbeam (1) roof, be located inclined tube (3) both sides and along lock hoop (6) of its length direction equidistant range, the roof of brace table (5) is equipped with holding tank (7) that are used for placing horizontal pipe (2), the slope of the roof both sides of brace table (5) is equipped with and expands mouthful groove (8) that are linked together with holding tank (7), the juncture laminating that inclined tube (3) are connected with horizontal pipe (2) is on the cell wall of expanding mouthful groove (8), be equipped with on brace table (5) and fix installed part (9) in holding tank (7) with horizontal pipe (2), the roof of crossbeam (1) is equipped with two lock hoops of drive (6) laminating and tightly subassembly (10) of supporting at inclined tube (3) outer wall.

2. A protection device for laying a river-crossing pipeline according to claim 1, characterized in that: the mounting part (9) comprises a plurality of screw rods (91) which are arranged on the top wall of the supporting platform (5) at equal intervals and located on two sides of the accommodating groove (7), a pressing hoop (92) sleeved on the two opposite screw rods (91) and a locking nut (93) in threaded fit with the screw rods (91), wherein lifting holes (94) for the screw rods (91) to pass through are formed in two sides of the side wall of the pressing hoop (92), and the pressing hoop (92) is pressed on the top wall of the horizontal pipe (2).

3. A protection device for laying a river-crossing pipeline according to claim 1, characterized in that: the abutting assembly (10) comprises adjusting blocks (101) which are arranged on the top wall of the cross beam (1) at equal intervals, two support blocks (102) which are oppositely arranged on the top wall of the adjusting blocks (101), adjusting nuts (103) which are respectively rotatably connected with the two support blocks (102) in a mode of being opposite to the side walls, adjusting screw rods (104) which are respectively arranged on the two lock hoops (6) in a mode of being opposite to the side walls, and guide blocks (105) which are arranged on the side walls of the adjusting screw rods (104), through holes (106) through which the adjusting screw rods (104) penetrate are formed in the side walls of the support blocks (102), guide grooves (107) for the guide blocks (105) to slide are formed in the top wall of the adjusting blocks (101), the axial direction of the guide grooves (107) is perpendicular to the axial direction of the cross beam (1), the height sizes of the adjusting blocks (101) are gradually reduced towards the direction close to the supporting platform (5), and sliding grooves (11), an adjusting component (12) used for adjusting the distance between the adjacent adjusting blocks (101) is arranged in the sliding groove (11).

4. A protection device for laying a river-crossing pipeline according to claim 3, wherein: adjusting part (12) including rotate set up in spout (11) two-way lead screw (121) of a plurality of end to end connections, with the both ends threaded connection of two-way lead screw (121) and slider (122) that slide in spout (11), the roof at slider (122) is fixed in regulating block (101), the end wall outer wall that crossbeam (1) is stretched out to the one end of one of them two-way lead screw (121) and is equipped with handle (123), the outer wall of crossbeam (1) is equipped with setting element (13) that are used for fixed two-way lead screw (121).

5. A protection device for laying a river-crossing pipeline according to claim 4, characterized in that: the positioning piece (13) comprises a positioning bolt (131) and a positioning cylinder (132) fixed on the outer wall of the cross beam (1), a threaded hole (133) is formed in the side wall of the positioning cylinder (132), and the positioning bolt (131) penetrates through the threaded hole (133) and abuts against the outer wall of the bidirectional screw rod (121).

6. A protection device for laying a river-crossing pipeline according to claim 5, wherein: the side wall of the positioning bolt (131) is provided with a rubber pad (134) and tightly propped against the outer wall of the bidirectional screw rod (121).

7. A protection device for laying a river-crossing pipeline according to claim 2, characterized in that: the lateral wall that compresses tightly hoop (92), the cell wall of holding tank (7) all are equipped with the outer wall laminating of first blotter (14) and horizontal pipe (2), the lateral wall of lock hoop (6) is equipped with the outer wall laminating of second blotter (15) and slope pipe (3).

8. A protection device for laying a river-crossing pipeline according to claim 1, characterized in that: the diapire of crossbeam (1) is equipped with sleeve (16), sleeve (16) are fixed at the outer wall of pile sinking (4) through split bolt (17), the diapire of crossbeam (1), the roof of pile sinking (4) all are equipped with wave curved surface (18) of mutually supporting.