CN111576239A

CN111576239A - Auxiliary positioning device of steel web for road and bridge construction

Info

Publication number: CN111576239A
Application number: CN202010497815.0A
Authority: CN
Inventors: 李睿; 胡庚钦; 刘俊才; 王俊丽; 押绘娟; 杨莉; 杜绿艳; 王芳; 王洋; 郭菲; 陈静
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-08-25
Anticipated expiration: 2040-06-04
Also published as: CN111576239B

Abstract

The invention relates to the field of road and bridge construction, and discloses an auxiliary positioning device for a steel web plate for road and bridge construction, which comprises a base rod, wherein the top of the base rod is fixedly connected with a first screw rod, the bottom of the base rod is movably connected with a first nut sleeve, the bottom end of the first nut sleeve is in threaded connection with a second screw rod, the bottom of the second screw rod and the top of the first screw rod are respectively provided with a transverse adjusting mechanism, the second screw rod and the first screw rod are respectively provided with an angle adjusting mechanism, and the transverse adjusting mechanism comprises a cross rod. This steel web's auxiliary positioning device for road and bridge construction, through being equipped with angle adjustment mechanism, it can drive the activity ring rotation and reciprocate to rotate the fourth runner to can change the angle of bull stick and branch, the rethread rotates the third runner and can drive the rotation of third nut cover, and then can change the effective length of branch, finally can drive the crossbeam through the change of angle and length and rotate, the realization is to the regulation of its self angle, it is more accurate to make the location.

Description

Auxiliary positioning device of steel web for road and bridge construction

Technical Field

The invention relates to the technical field of road and bridge construction, in particular to an auxiliary positioning device for a steel web for road and bridge construction.

Background

With the continuous development of the bridge industry in China, new bridge structure forms are continuously emerging, the corrugated steel web bridge type is introduced in China in recent years, mainly a small-span precast beam and a full-space support cast-in-place beam, the corrugated web breaks through the limitation of the height-thickness ratio of the traditional flat web H-shaped steel, the problem that the flat web is easy to deform locally is solved, the steel consumption can be greatly reduced at the same strength, the self weight is reduced, and compared with the traditional prestressed concrete box beam, the self weight of the structure can be reduced by 20% -30%, so that the construction cost can be saved by adopting the structure, particularly for a large-span corrugated steel web continuous beam and a continuous rigid frame bridge, the economic advantage is more prominent, and the comprehensive manufacturing cost can be reduced by 8% -12% compared with the common prestressed concrete box beam bridge.

Need install the on-spot to wave web in bridge construction, consequently to wave web's upper and lower roof beam location especially important, among the prior art, to the web location of upper and lower roof beam only be limited to horizontal and vertical location, be difficult to the accurate location of upper and lower crossbeam self angle.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an auxiliary positioning device for a steel web plate for road and bridge construction, which has the advantages of accurate positioning, simple operation and the like, and solves the problems that the corrugated web plate needs to be installed on site in bridge construction, so that the positioning of an upper beam and a lower beam of the corrugated web plate is particularly important, and in the prior art, the positioning of the upper beam and the lower beam of the web plate is only limited to transverse and vertical positioning, and the angle of the upper beam and the lower beam is difficult to accurately position.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a road bridge construction is with auxiliary positioning device of steel web, includes the base rod, the first screw rod of base rod top fixedly connected with, base rod bottom swing joint has first nut cover, first nut cover bottom end threaded connection has the second screw rod, second screw rod bottom and first screw rod top all are equipped with horizontal adjustment mechanism, all be equipped with angle adjusting mechanism on second screw rod and the first screw rod.

The transverse adjusting mechanism comprises a transverse rod, wherein the two ends of the transverse rod are both movably connected with second nut sleeves, one end, far away from the transverse rod, of each second nut sleeve is connected with a movable rod in a threaded mode, the movable rod is far away from one end, fixedly connected with square plates, of each second nut sleeve, a first round hole is formed in the surface of each square plate, a first bolt is arranged in each first round hole, a transverse beam is arranged on the rear side of each square plate, and a first threaded hole and a second threaded hole are formed in the front side surface of the transverse beam.

The angle adjusting mechanism comprises a threaded ring, a movable ring is movably sleeved on the outer side of the threaded ring, rotating rods are hinged to two sides of the movable ring, one end of each rotating rod is far away from the corresponding movable ring and is movably connected with a third nut sleeve, a box body is movably sleeved outside the third nut sleeve, the box body is fixedly sleeved with the rotating rods, worm wheels and worms which are meshed with each other are arranged inside the box body, the worm wheels are fixedly sleeved with the third nut sleeves, two ends of each worm are movably connected with inner walls of two sides of the box body respectively, one end of each worm penetrates through the box body and extends to the outer side of the box body, the worm is located at one end of the outer side of the box body and is fixedly connected with a handle, one end of each rotating rod is far away from the corresponding third nut sleeve and is in threaded connection with a supporting.

Be provided with the fixed block on the movable rod, be fixed with hollow column on the fixed block, rotary sleeve is equipped with the column spinner on hollow column, the outside of column spinner is provided with the fixed plate, it has three perforating hole to correspond on the fixed plate, and wherein middle perforating hole lateral wall has the screw thread, the fixed plate is down to one side extension fixedly connected with lower base, the base is kept away from the distolateral fixedly connected with right side board of fixed plate down, right side board to fixed plate one side extension is fixed with the backup pad, be provided with on the crossbeam corresponding three on the fixed plate the first perforation, the second perforation and the third perforation of perforating hole, be provided with fixed frame below the crossbeam, first perforation with be provided with first connecting piece between the first bolt, be provided with the third connecting piece between third perforation and the second bolt, a middle bolt is arranged between the first bolt and the second bolt, a second connecting piece is arranged between the second perforation and the middle bolt, wherein threads are arranged on the first connecting piece and the third connecting piece, no thread is arranged on the second connecting piece, fixing rings are arranged on the outer sides of the first connecting piece, the second connecting piece, the third connecting piece and the fixing plate, the fixing rings are fixed with the fixing plate through springs, a first pushing block and a second pushing block are arranged on the second connecting piece, a first stress block is arranged on the first connecting piece, a second stress block is arranged on the third connecting piece, a rotating plate is arranged between the first connecting piece and the second connecting piece, a rotating plate is arranged between the second connecting piece and the third connecting piece, a rotating shaft is arranged in the middle of the rotating plate, and two sides of the rotating shaft are rotationally fixed on a supporting rod, the supporting rod is fixedly arranged on the end side of the cross beam close to one side of the fixing plate.

Preferably, the first bolt is in threaded connection with the first threaded hole, and the second bolt is in threaded connection with the second threaded hole.

Preferably, the surface of the first nut sleeve is fixedly connected with a first rotating wheel, the surface of the second nut sleeve is fixedly connected with a second rotating wheel, the surface of the third nut sleeve is fixedly connected with a third rotating wheel, the third rotating wheel is positioned on the outer side of the box body, and the surface of the threaded ring is fixedly connected with a fourth rotating wheel.

Preferably, the joint of the movable rod and the first nut sleeve is provided with scale marks.

Preferably, a plurality of mounting holes are formed in the surface of the cross beam, and the plurality of mounting holes are distributed in a linear array.

Preferably, the two threaded rings are respectively in threaded connection with the first screw and the second screw.

Compared with the prior art, the invention provides an auxiliary positioning device for a steel web plate for road and bridge construction, which has the following beneficial effects:

1. this steel web's auxiliary positioning device for road and bridge construction, through being equipped with angle adjustment mechanism, it can drive the activity ring rotation and reciprocate to rotate the fourth runner to can change the angle of bull stick and branch, the rethread rotates the third runner and can drive the rotation of third nut cover, and then can change the effective length of branch, finally can drive the crossbeam through the change of angle and length and rotate, the realization is to the regulation of its self angle, it is more accurate to make the location.

2. This steel web's auxiliary positioning device for road and bridge construction, can change the effective length of second screw rod through rotating first runner, be convenient for realize the vertical regulation and the location of crossbeam, can change the effective length of movable rod through rotating the second runner, be convenient for realize crossbeam horizontal adjustment and location, through being equipped with the box body, worm wheel and worm, it can drive the worm to rotate the handle, worm wheel and third nut cover rotate, be favorable to realizing more accurate angle modulation after rotating the third runner.

3. The angle changing device of the steel web plate for road and bridge construction can ensure that when the angle needs to be adjusted, the middle bolt can enter the second through hole to be fixed by rotating the middle bolt, the first connecting piece and the third connecting piece can be withdrawn simultaneously, the first bolt and the second bolt can be withdrawn from the fixed plate, the supporting plate can enter the fixed plate, the middle bolt can be matched with the middle bolt, the second connecting piece and the supporting plate to be fixed, meanwhile, the angle of the cross beam is changed by adjusting the rotation of the third nut sleeve, the worm and the worm wheel, so that the rotation and the angle adjustment are realized by using the same group of adjusting devices.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an angle adjustment mechanism of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the cartridge of the present invention;

FIG. 5 is a schematic view of the construction of the threaded ring of the present invention;

FIG. 6 is a schematic view of a first circular hole of the present invention;

FIG. 7 is a detailed structural diagram of the movable rod of the present invention;

FIG. 8 is a detailed structural diagram of the concave plate of the present invention;

FIG. 9 is a detailed structural diagram of the cross beam of the present invention;

FIG. 10 is a schematic view of an angle changing device according to the present invention;

FIG. 11 is an enlarged view taken at A of FIG. 10 according to the present invention.

Wherein: 1. a base shaft; 2. a first screw; 3. a first nut sleeve; 4. a second screw; 5. a cross bar; 6. a second nut sleeve; 7. a movable rod; 8. a square plate; 9. a first circular hole; 10. a first bolt; 11. a cross beam; 12. a first threaded hole; 13. a second threaded hole; 14. a threaded ring; 15. a movable ring; 16. a rotating rod; 17. a third nut sleeve; 18. a box body; 19. a worm gear; 20. a worm; 21. a handle; 22. a strut; 23. a second circular hole; 24. a second bolt; 25. a first runner; 26. a second runner; 27. a third rotating wheel; 28. a fourth rotating wheel; 29. scale lines; 30. mounting holes; 31. a fixing plate; 32. a through hole; 33. a spin column; 34. a lower base plate; 35. a right side plate; 36. a support plate; 37. a fixed block; 38. a hollow column; 39. a first perforation; 40. a second perforation; 41. a third perforation; 42. a fixing frame; 43. a middle bolt; 44. a first connecting member; 45. a second connecting member; 46. a third connecting member; 47. a first push block; 48. a second push block; 49. a second force-bearing block; 50. a first force-bearing block; 51. a strut; 52. a rotating shaft; 53. a rotating plate; 54. a fixing ring; 55. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an auxiliary positioning device for a steel web for road and bridge construction comprises a base rod 1, wherein the length of the base rod 1 is determined according to actual conditions, a first screw 2 is fixedly connected to the top of the base rod 1, a first nut sleeve 3 is movably connected to the bottom of the base rod 1, the first nut sleeve 3 can rotate relative to the base rod 1, a second screw 4 is connected to the bottom end of the first nut sleeve 3 in a threaded manner, the top end of the second screw 4 is located inside the first nut sleeve 3, transverse adjusting mechanisms are arranged at the bottom of the second screw 4 and at the top of the first screw 2, the upper and lower transverse adjusting mechanisms are symmetrically distributed, and angle adjusting mechanisms are arranged on the second screw 4 and the first screw 2.

Horizontal adjustment mechanism includes horizontal pole 5, in practical application, horizontal pole 5 and first screw rod 2 or the equal perpendicular setting of second screw rod 4, horizontal pole 5 and first screw rod 2 or the equal swing joint in second screw rod 4 fixed connection, the equal swing joint in horizontal pole 5 both ends has

second nut cover

6, 5 one end threaded connection of horizontal pole 7 is kept away from to second nut cover 6 has

movable rod

7, 7 one end of movable rod is located inside

second nut cover

6, 6 one end fixedly connected with square plate 8 of second nut cover are kept away from to movable rod 7, first round hole 9 has been seted up on the surface of square plate 8, be equipped with first bolt 10 in the first

round hole

9, 8 rear sides of square plate are equipped with

crossbeam

11, 11 front side surface is equipped with first screw hole 12 and second screw hole 13.

The angle adjusting mechanism comprises a threaded ring 14, a movable ring 15 is movably sleeved on the outer side of the threaded ring 14, rotating rods 16 are hinged on two sides of the movable ring 15, one end, far away from the movable ring 15, of each rotating rod 16 is movably connected with a third nut sleeve 17, a box body 18 is movably sleeved outside the third nut sleeve 17, the box body 18 is fixedly sleeved with the rotating rods 16, a worm wheel 19 and a worm 20 which are meshed with each other are arranged inside the box body 18, the worm wheel 19 is fixedly sleeved with the third nut sleeve 17, two ends of the worm 20 are respectively movably connected with the inner walls on two sides of the box body 18, one end of the worm 20 penetrates through the box body 18 and extends to the outer side of the box body 18, one end, far away from the rotating rod 16, of the worm 20 is fixedly connected with a handle 21, the worm 20 can be driven to rotate after the handle 21 is rotated, the worm wheel 19 and the third nut sleeve 17 are further driven to rotate, precision adjustment, one end of a supporting rod 22 is positioned inside a third nut sleeve 17, one end of the supporting rod 22, which is far away from the third nut sleeve 17, is provided with a second round hole 23, a second bolt 24 is arranged in the second round hole 23, the first bolt 10 is in threaded connection with a first threaded hole 12, the second bolt 24 is in threaded connection with a second threaded hole 13, in practical application, the first threaded hole 12 and the second threaded hole 13 are respectively positioned at the left end and the right end of the front side surface of a cross beam 11, the surface of a first nut sleeve 3 is fixedly connected with a first rotating wheel 25, the surface of a second nut sleeve 6 is fixedly connected with a second rotating wheel 26, the surface of the third nut sleeve 17 is fixedly connected with a third rotating wheel 27, the third rotating wheel 27 is positioned at the outer side of a box body 18, the surface of a threaded ring 14 is fixedly connected with a fourth rotating wheel 28, so that the operation of workers is convenient, a scale mark 29, the surface of the beam 11 is provided with a plurality of mounting holes 30, the mounting holes 30 are distributed in a linear array and used for mounting and welding a corrugated web, and the two threaded rings 14 are respectively in threaded connection with the first screw rod 2 and the second screw rod 4.

When in use, the first rotating wheel 25 is firstly rotated to drive the first nut sleeve 3 to rotate, the second screw rod 4 is in threaded connection with the first nut sleeve 3 to adjust the relative position of the second screw rod 4, so as to realize the vertical position adjustment and positioning of the two beams 11 at the bottom, then, the second nut sleeve 6 can be driven to rotate by rotating the second rotating wheel 26, thereby changing the relative position of the movable rod 7, thereby realizing the adjustment and the positioning of the transverse position of the first two beams 11, and then rotating the third rotating wheel 27 and the fourth rotating wheel 28 to drive the third nut sleeve 17 and the threaded ring 14 to move, the angle and effective length of the strut 22 can be changed, so that the beam 11 can be driven to rotate to perform rough adjustment and positioning, then the handle 21 is rotated, the worm 20, the worm wheel 19 and the third nut sleeve 17 can be driven to rotate, fine adjustment and positioning are achieved again, and finally the first bolt 10 and the second bolt 24 are screwed.

Under special circumstances, in special geographic environments, situations with non-straight lines or small partial road areas are frequently encountered, so that great difficulty is caused in fixing and positioning the rigid web plate, and for this reason, further improvement is carried out by the applicant, which is also an important invention point of the present invention, and the specific scheme is as follows: a fixed block 37 is arranged on the movable rod 7, a hollow column 38 is fixed on the fixed block 37, a rotary column 33 is rotatably sleeved on the hollow column 38, a fixed plate 31 is arranged on the outer side of the rotary column 33, three through holes 32 are correspondingly arranged on the fixed plate 31, threads are arranged on the side wall of the middle through hole, a lower base 34 is fixedly connected to one side of the lower base 34 in an extending manner, a right side plate 35 is fixedly connected to the end side of the lower base 34 far away from the fixed plate 31, a supporting plate 36 is fixedly connected to one side of the right side plate in an extending manner, a first through hole 39, a second through hole 40 and a third through hole 41 are arranged on the cross beam 11 and correspond to the three through holes 32 on the fixed plate 31, a fixed frame 42 is fixedly arranged below the cross beam 11, and a first connecting piece 44 is arranged between the first through hole 39 and the first bolt 10, a third connecting member 46 is arranged between the third through hole 41 and the second bolt 24, an intermediate bolt 43 is arranged between the first bolt 10 and the second bolt 24, a second connecting member is arranged between the second through hole 40 and the intermediate bolt 43, wherein the first connecting member 44 and the third connecting member 46 are provided with threads, the second connecting member 45 is not provided with threads, the outer sides of the first connecting member 44, the second connecting member 45, the third connecting member 46 and the fixed plate 31 are all provided with fixing rings 54, the fixing rings 54 and the fixed plate 31 are fixed through springs 55, the second connecting member 45 is provided with a first pushing block 47 and a second pushing block 48, the first connecting member 41 is provided with a first force receiving block 50, the third connecting member 46 is provided with a second force receiving block 49, a rotating plate 53 is arranged between the first connecting member 44 and the second connecting member 45, a rotating plate 53 is arranged between the second connecting piece 45 and the third connecting piece 46, a rotating shaft 52 is arranged in the middle of the rotating plate 53, two sides of the rotating shaft 52 are rotationally fixed on a supporting rod 51, and the supporting rod 51 is fixedly arranged on the end side of the cross beam 11 close to one side of the fixed plate 31.

The specific horizontal, vertical and rotational adjustments will not be described again, except that during the horizontal, vertical and rotational adjustments, the fixed plate 31, the lower plate 34, the right plate 35, the support plate 36 move together with the cross beam 11, the first bolt 10 and the second bolt 24 are respectively in threaded connection with the first connecting piece 44 and the third connecting piece 46, the first to third connecting pieces 44-46 penetrate into the first to third through holes, respectively, the angle adjustment will be described in detail below, when the angle adjustment is needed, the middle bolt 43 is first screwed into the fixed plate 31, since the through hole in the fixed plate 31 corresponding to the middle bolt 43 has threads, it can rotate into the fixed plate 31, so that it can push the second connecting piece 45, thereby pushing the second connecting piece 45 to move, and driving the first push block 47 and the second push block 48 to move, along with the movement, the first pushing block 47 will first push the rotating plate 53, and make the rotating plate 53 make the other end of the rotating plate 53 push the first force-bearing block 50 to move under the action of the rotating shaft 52, and make the first connecting piece 44 withdraw outwards, and finally make the first bolt 10 withdraw from the fixed plate 31, in the above-mentioned process, the second pushing block 48 will also push the second force-bearing block 49 to move, and drive the third connecting piece 46 to move outwards, but when it needs to be explained, because the position of the second pushing block 48 is closer to the fixed plate 31, the moving distance of the third connecting piece 46 is smaller than the moving distance of the first connecting piece 44, so that the first bolt 10 completely withdraws from the fixed plate 31, but the second bolt 24 is not completely withdrawn, after the above-mentioned movement, the supporting plate 36 will enter into the fixed frame 42, and cooperate with the middle bolt 43, the second connecting piece 45, and the second through hole 45 to make the cross beam 11 stable, finally, turning the third wheel 27, which moves the third nut sleeve 17 and the threaded ring 14, changes the effective length of the strut 22, but due to the fixing effect of the support plate 36, the intermediate bolt 43, the second connecting member 45, the second through hole 45, it will not turn over, unlike the above-mentioned up-and-down rotation, which, due to the limiting effect of the first bolt 10, causes the change of the angle and length of the strut 22 to cause the up-and-down rotation of the cross beam, which is the change of the angle in the horizontal direction, specifically, since the first bolt 10 has been completely withdrawn, the cross beam 11 has actually been completely fixed by the rotation column 33 on the hollow column 38, whereas since the second bolt 24 has not been completely withdrawn, it is still in threaded connection with the first connecting member 44, but it has been disengaged from the first through hole 39, thereby causing the change of the effective length of the strut 22, the cross beam 11 rotates in the horizontal direction, so that the angle of the cross beam in the horizontal direction is changed, coarse adjustment and fine adjustment are realized through the matching of the handle and the worm, and the device can adapt to road construction in different shapes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road bridge construction is with auxiliary positioning device of steel web, includes base rod (1), its characterized in that: the top of the base rod (1) is fixedly connected with the first screw rod (2), the bottom of the base rod (1) is movably connected with a first nut sleeve (3), the bottom end of the first nut sleeve (3) is in threaded connection with a second screw rod (4), the bottom of the second screw rod (4) and the top of the first screw rod (2) are respectively provided with a transverse adjusting mechanism, and the second screw rod (4) and the first screw rod (2) are respectively provided with an angle adjusting mechanism; the transverse adjusting mechanism comprises a cross rod (5), two ends of the cross rod (5) are movably connected with second nut sleeves (6), one ends, far away from the cross rod (5), of the second nut sleeves (6) are connected with movable rods (7) in a threaded mode, one ends, far away from the second nut sleeves (6), of the movable rods (7) are fixedly connected with square plates (8), first round holes (9) are formed in the surfaces of the square plates (8), first bolts (10) are arranged in the first round holes (9), cross beams (11) are arranged on the rear sides of the square plates (8), and first threaded holes (12) and second threaded holes (13) are formed in the front side surfaces of the cross beams (11); the angle adjusting mechanism comprises a threaded ring (14), a movable ring (15) is movably sleeved on the outer side of the threaded ring (14), rotating rods (16) are hinged to two sides of the movable ring (15), one end of each rotating rod (16) far away from the corresponding movable ring (15) is movably connected with a third nut sleeve (17), a box body (18) is movably sleeved outside the third nut sleeve (17), the box body (18) is fixedly sleeved with the rotating rods (16), a worm wheel (19) and a worm (20) which are meshed with each other are arranged inside the box body (18), the worm wheel (19) is fixedly sleeved with the third nut sleeve (17), two ends of the worm (20) are movably connected with inner walls on two sides of the box body (18) respectively, one end of the worm (20) penetrates through the box body (18) and extends to the outer side of the box body (18), and the worm (20) is located at one end of the outer side of the box body (18) and, a support rod (22) is connected to one end, far away from the rotating rod (16), of the third nut sleeve (17) in a threaded mode, a second round hole (23) is formed in one end, far away from the third nut sleeve (17), of the support rod (22), and a second bolt (24) is arranged in the second round hole (23); be provided with fixed block (37) on movable rod (7) be fixed with hollow column (38) on fixed block (37) rotary sleeve is equipped with column spinner (33) on hollow column (38) the outside of column spinner (33) is provided with fixed plate (31) correspond on fixed plate (31) have three perforating hole (32), and wherein the perforating hole lateral wall in centre has the screw thread, fixed plate one side down extends fixedly connected with lower base (34), base (34) keep away from terminal side fixedly connected with right side board (35) of fixed plate (31) down, the right side board to fixed plate one side extension is fixed with backup pad (36), be provided with on crossbeam (11) three on corresponding fixed plate (31) first perforation (39), second perforation (40) and third perforation (41) of perforating hole (32), a fixing frame (42) is fixedly arranged below the cross beam (11), a first connecting piece (44) is arranged between the first through hole (39) and the first bolt (10), a third connecting piece (46) is arranged between the third through hole (41) and the second bolt (24), a middle bolt (43) is arranged between the first bolt (10) and the second bolt (24), a second connecting piece is arranged between the second through hole (40) and the middle bolt (43), wherein the first connecting piece (44) and the third connecting piece (46) are provided with threads, the second connecting piece (45) is not provided with threads, fixing rings (54) are arranged on the outer sides of the first connecting piece (44), the second connecting piece (45), the third connecting piece (46) and the fixing plate (31), and the fixing rings (54) and the fixing plate (31) are fixed through springs (55), be provided with first ejector pad (47) and second ejector pad (48) on second connecting piece (45) be provided with first atress piece (50) on first connecting piece (41) be provided with second atress piece (49) on third connecting piece (46) be provided with rotor plate (53) between first connecting piece (44) and second connecting piece (45) be provided with rotor plate (53) between second connecting piece (45) and third connecting piece (46), be provided with pivot (52) in the middle of rotor plate (53), pivot (52) both sides rotation is fixed on branch (51), branch (51) are fixed to be set up in crossbeam (11) and are close to on the distolateral side of fixed plate (31) one side.

2. The auxiliary positioning device for the steel web for road and bridge construction according to claim 1, is characterized in that: the first bolt (10) is in threaded connection with the first threaded hole (12), and the second bolt (24) is in threaded connection with the second threaded hole (13).

3. The auxiliary positioning device for the steel web for road and bridge construction according to any one of claims 1-2, wherein: the surface of the first nut sleeve (3) is fixedly connected with a first rotating wheel (25), the surface of the second nut sleeve (6) is fixedly connected with a second rotating wheel (26), the surface of the third nut sleeve (17) is fixedly connected with a third rotating wheel (27), the third rotating wheel (27) is located on the outer side of the box body (18), and the surface of the threaded ring (14) is fixedly connected with a fourth rotating wheel (28).

4. The auxiliary positioning device for the steel web for road and bridge construction according to any one of claims 1 to 3, wherein: and a scale mark (29) is arranged at the joint of the movable rod (7) and the first nut sleeve (3).

5. The auxiliary positioning device for the steel web for road and bridge construction according to any one of claims 1 to 4, wherein: the surface of the cross beam (11) is provided with a plurality of mounting holes (30), and the mounting holes (30) are distributed in a linear array.

6. The auxiliary positioning device for the steel web for road and bridge construction according to any one of claims 1 to 5, wherein: the two threaded rings (14) are respectively in threaded connection with the first screw (2) and the second screw (4).