CN215254726U

CN215254726U - Steel construction connection auxiliary device

Info

Publication number: CN215254726U
Application number: CN202121445605.3U
Authority: CN
Inventors: 石建国; 董磊; 谷柏松
Original assignee: Liaoning Shuyuan Steel Structure Engineering Co ltd
Current assignee: Liaoning Shuyuan Steel Structure Engineering Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-21
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a steel structure connection auxiliary device, a second auxiliary plate is movably sleeved on the outer side wall of a rotating shaft, a first gear is fixedly sleeved on the outer side wall of the rotating shaft, a worm is in transmission connection with the outer side wall of a worm wheel, the outer side wall of the rotating shaft at two ends of the worm is movably connected with a bearing seat, a bearing is arranged in the bearing seat, a lead screw is fixedly connected with the right side wall of the worm, a nut is in threaded connection with the outer side wall of the lead screw, the worm is driven to rotate by the lead screw, the worm is supported by the two bearing seats, the stability of the worm during rotation is ensured, the worm can drive the worm wheel to rotate while rotating, thereby the first auxiliary plate is driven to rotate by the two gears, the angle between the first auxiliary plate and the second auxiliary plate is adjusted according to the building design, the accuracy of the steel structure installation process is ensured, the steel structure installation process is more convenient, and the stability of the steel structure is improved, the quality of the building is guaranteed.

Description

Steel construction connection auxiliary device

Technical Field

The utility model relates to a technical field is connected to the steel construction, specifically is a steel construction connection auxiliary device.

Background

The steel structure is a structure composed of steel materials, is one of main building structure types, and mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and adopts rust removal and prevention processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like, all members or parts are usually connected by welding lines, bolts or rivets, and the steel structure is light in self weight and simple and convenient to construct and is widely applied to the fields of large-scale factory buildings, venues, super-high buildings and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary device is connected to steel construction to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a steel structure connection auxiliary device comprises a rotating shaft, wherein a first auxiliary plate is sleeved on the outer side wall of the rotating shaft, a second auxiliary plate is movably sleeved on the outer side wall of the rotating shaft, a first gear is fixedly sleeved on the outer side wall of the rotating shaft, a second gear is connected with the outer side wall of the first gear in a transmission manner, the second gear is sleeved on the outer side wall of a movable shaft, a worm wheel is sleeved on the outer side wall of the movable shaft, the movable shaft penetrates through the inner cavity of the second auxiliary plate and extends to the outside, a worm is connected with the outer side wall of the worm wheel in a transmission manner, bearing seats are movably connected with the outer side walls of rotating shafts at two ends of the worm in a transmission manner, bearings are arranged in the bearing seats, the two bearing seats are fixedly installed on the lower side wall of the second auxiliary plate in a bilateral symmetry manner through installing rods, a lead screw is fixedly connected to the right side wall of the worm, and a nut is connected to the outer side wall of the lead screw in a threaded manner, the nut passes through nut seat fixed connection at the lower lateral wall of link, the last lateral wall fixed mounting of link has the connecting axle, the lateral wall swing joint of connecting axle has the removal wheel, remove wheel sliding connection at the inside wall of connecting plate, the spout has been seted up to the lower lateral wall of connecting plate, link sliding connection be in the inside wall of spout, the lower lateral wall bilateral symmetry of second accessory plate passes through support frame fixedly connected with bottom plate.

Preferably, the left and right side walls of the bottom plate are symmetrically and fixedly connected with a mounting plate through a connecting rod, the front and rear side walls of the mounting plate are symmetrically and fixedly provided with fixed plates, the upper and lower side walls of the mounting plate are symmetrically and provided with moving grooves, the inner side wall of each moving groove is slidably connected with a clamping plate, the clamping plate penetrates through the inner cavity of the mounting plate and extends to the outside, the clamping plate is slidably connected with the inner side wall of each moving groove, the inner side wall of the clamping plate is fixedly provided with a fixed seat, a threaded hole is arranged in the fixed seat, the front and rear symmetrical threads of the two fixed seats are connected with the outer side wall of a threaded rod, the threaded rod sequentially penetrates through the inner cavities of the mounting plate and the fixed plates and extends to the outside, the back side walls of the two fixed plates are vertically symmetrical and the opposite side walls of the two fixed plates are respectively and fixedly connected with two ends of the mounting seat, the two installation bases are symmetrically connected to the front side and the rear side in a rotating mode and are arranged on the outer side wall of the threaded rod, and the operating rod is fixedly installed on the front side wall of the threaded rod.

Preferably, the inner side wall of the bottom plate is provided with a movable cavity, the inner side wall of the movable cavity is connected with a balance ball in a sliding mode, and the front side wall of the bottom plate is provided with an indication marking line.

Preferably, the last lateral wall fixed mounting of splint has the limiting plate, the fixed mounting of symmetry around the lower lateral wall of limiting plate has the mounting bracket, the inside wall fixed mounting of mounting bracket has the center pin, the lateral wall swing joint of center pin has the leading wheel, the leading wheel sliding connection be in the last lateral wall of mounting panel.

Preferably, the opposite side walls of the two clamping plates are symmetrically and fixedly provided with buffer blocks.

Preferably, the outer side wall of the operating rod is sleeved with an anti-slip sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: a steel structure connection auxiliary device is characterized in that a bottom plate is placed on the upper surface of one steel structure, the installation angle of the other steel structure is adjusted according to building requirements, a worm is driven to rotate through a lead screw, the worm is supported through two bearing seats, the stability of the worm during rotation is ensured, the worm can drive a worm wheel to rotate while rotating, so that a first auxiliary plate is driven to rotate through two gears, the angle between the first auxiliary plate and a second auxiliary plate is adjusted according to building design, the accuracy of the steel structure installation process is ensured, the steel structure installation process is more convenient, the stability of the steel structure is improved, the quality of a building is ensured, a nut drives a nut seat to move when the lead screw rotates, the worm is prevented from rotating through the thread fit between the nut, and the angle of the steel structure is ensured not to change when the steel structure is installed, the accuracy of steel structure installation is ensured, the moving wheel is driven to roll on the inner wall of the connecting plate through the connecting frame when the nut moves, the nut is ensured to horizontally move, so that the stability of the steel structure installation process is ensured, the threaded rod is driven to rotate through the operating rod, the operating rod stops rotating when the two clamping plates are fixedly clamped on the surface of a steel structure, the stability of the second auxiliary plate is ensured, the accuracy of the steel structure installation process is ensured, the stability of the threaded rod is ensured through the two mounting seats when the threaded rod rotates, the stability of the angle adjustment process is improved, the balance ball rolls in the movable cavity when the levelness of the second auxiliary plate is adjusted, the position of the balance ball on the indication marking line is adjusted, the balance degree of the bottom plate is adjusted, the second auxiliary plate is ensured to be in a horizontal position when the steel structure is installed, and the stability of the steel structure installation is ensured, when relative position was adjusted to two splint, prevented splint from the inside landing of mounting panel through the limiting plate, the limiting plate rolls at the mounting panel upper surface through the leading wheel along with the process that splint removed to the stability of limiting plate has been improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the left side view structure sectional view of the installation plate part of the utility model.

Fig. 3 is a sectional view of the structure of the connecting plate part of the present invention.

Description of reference numerals: 1. the auxiliary device comprises a first auxiliary plate, 2, a second auxiliary plate, 3, a connecting plate, 4, a mounting plate, 5, a clamping plate, 6, a fixing plate, 7, a limiting plate, 8, a second gear, 9, a first gear, 10, a rotating shaft, 11, a buffer block, 12, an operating rod, 13, a movable shaft, 14, a lead screw, 15, a nut, 16, a connecting frame, 17, a supporting frame, 18, a bearing seat, 19, a worm, 20, a bottom plate, 21, an indication mark line, 22, a movable cavity, 23, an anti-slip sleeve, 24, a balance ball, 25, a connecting rod, 26, a guide wheel, 27, a moving groove, 28, a central shaft, 29, a mounting frame, 30, a fixed seat, 31, a mounting seat, 32, a supporting plate, 33, a threaded rod, 34, a connecting shaft, 35, a moving wheel, 36, a sliding groove, 37 and a worm wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a steel structure connection auxiliary device comprises a rotating shaft 10, a first auxiliary plate 1 is sleeved on the outer side wall of the rotating shaft 10 in a sleeved mode, a through hole is formed in the lower end of the first auxiliary plate 1, the first auxiliary plate 1 is fixedly sleeved on the outer surface of the rotating shaft 10 through the through hole, the first auxiliary plate 1 rotates along with the rotating shaft 10, a second auxiliary plate 2 is movably sleeved on the outer side wall of the rotating shaft 10 in a sleeved mode, a through hole is formed in the left end of the second auxiliary plate 2, a bearing is arranged in the through hole, the second auxiliary plate 2 rotates around the rotating shaft 10 through the bearing in the through hole, the second auxiliary plate 2 is located in front of the first auxiliary plate 1, a first gear 9 is fixedly sleeved on the outer side wall of the rotating shaft 10, the first gear 9 is fixedly sleeved on the outer surface of the rotating shaft 10 through the through hole in the center, the first gear 9 is located in front of the second auxiliary plate 2, the outer side wall of the first gear 9 is in transmission connection with a second gear 8, the second gear 8 is sleeved on the outer side wall of the movable shaft 13, the second gear 8 is fixedly sleeved on the outer surface of the movable shaft 13 through a middle perforation, so that the second gear 8 rotates along with the movable shaft 13, the positions of the movable shaft 13 and the rotating shaft 10 are corresponding, the mutual meshing of the teeth on the outer surfaces of the first gear 9 and the second gear 8 is ensured, the outer side wall of the movable shaft 13 is sleeved with a worm wheel 37, the worm wheel 37 is fixedly sleeved on the outer surface of the movable shaft 13 through the middle perforation, the worm wheel 37 is positioned behind the second auxiliary plate 2, the movable shaft 13 penetrates through the inner cavity of the second auxiliary plate 2 and extends to the outside, the movable shaft 13 penetrates through the second auxiliary plate 2, the movable shaft 13 rotates in the through hole, the outer side wall of the worm wheel 37 is in transmission connection with a worm 19, the outer side walls of the rotating shafts at two ends of the worm 19 are movably connected with bearing blocks 18, bearings are arranged in the bearing blocks 18, the rotating shafts at two ends of the worm 19 are rotatably connected with the bearings through the bearings in the bearing blocks 18, the two bearing seats 18 are fixedly arranged on the lower side wall of the second auxiliary plate 2 in bilateral symmetry through mounting rods, the two bearing seats 18 are respectively fixed on the lower surface of the second auxiliary plate 2 through the two mounting rods, the positions of the bearing seats 18 ensure that the outer surfaces of a worm 19 and a worm wheel 37 are meshed with each other, the right side wall of the worm 19 is fixedly connected with a lead screw 14, the outer side wall of the lead screw 14 is in threaded connection with a nut 15, the nut 15 is fixedly connected on the lower side wall of a connecting frame 16 through a nut seat, the upper side wall of the connecting frame 16 is fixedly provided with a connecting shaft 34, the outer side wall of the connecting shaft 34 is movably connected with a moving wheel 35, the moving wheel 35 is in sliding connection with the inner side wall of the connecting plate 3, a movable groove is arranged in an inner cavity of the connecting plate 3, the moving wheel 35 is attached to the inner wall of the movable groove to roll, the moving wheel 35 rotates by taking the connecting shaft 34 as a center, the lower side wall of the connecting plate 3 is provided with a sliding groove 36, the connecting frame 16 is in sliding connection with the inner side wall of the sliding groove 36, the groove width of the sliding groove 36 ensures that the outer surface of the connecting frame 16 is attached to the inner wall of the sliding groove 36 to slide, the bottom plate 20 is fixedly connected to the lower side wall of the second auxiliary plate 2 in bilateral symmetry through the supporting frame 17, when the steel structures are assembled and installed, the bottom plate 20 is placed on the upper surface of one of the steel structures, then the installation angle of the other steel structure is adjusted according to the building requirements, the screw rod 14 is rotated, the worm 19 is driven to rotate through the screw rod 14, the rotating shafts at the two ends of the worm 19 rotate in the two bearing seats 18 when the worm 19 rotates, the worm 19 is supported through the two bearing seats 18, the stability when the worm 19 rotates is ensured, the worm 19 drives the worm wheel 37 to rotate while rotating, the worm wheel 37 drives the movable shaft 13 to rotate in the through hole with the second auxiliary plate 2, the second gear 8 rotates along with the movable shaft 13, and thus drives the first gear 9 to rotate, the first gear 9 drives the rotating shaft 10 to rotate, so as to drive the first auxiliary plate 1 to rotate, the angle between the first auxiliary plate 1 and the second auxiliary plate 2 is adjusted according to the building design, when the angle is adjusted to a proper angle, another rigid structure is attached to the surface of the first auxiliary plate 1 according to the position of the first auxiliary plate 1, then the steel structure is combined and fixed, the accuracy of the steel structure installation process is ensured, the steel structure installation process is more convenient, the stability of the steel structure is improved, the quality of a building is ensured, the nut 15 drives the nut seat to move when the screw 14 rotates, when the first auxiliary plate 1 is adjusted to a proper angle, the screw 14 stops rotating, the worm 19 is prevented from rotating through the threaded fit between the screw 14 and the nut, the angle is ensured not to change when the steel structure is installed, and the accuracy of the steel structure installation is ensured, when the nut 15 moves, the connecting frame 16 drives the moving wheel 35 to roll on the inner wall of the connecting plate 3, so that the nut 15 is ensured to move horizontally, and the stability of the steel structure installation process is ensured.

Specifically, the left and right side walls of the bottom plate 20 are symmetrically and fixedly connected with a mounting plate 4 through a connecting rod 25, the front and back side walls of the mounting plate 4 are symmetrically and fixedly provided with a fixing plate 6, the upper and lower side walls of the mounting plate 4 are symmetrically provided with moving grooves 27, the inner side wall of the moving groove 27 is slidably connected with a clamping plate 5, the clamping plate 5 penetrates through the inner cavity of the mounting plate 4 and extends to the outside, the upper ends of the two clamping plates 5 penetrate through the moving grooves of the lower surface of the mounting plate 4, the inner cavity of the mounting plate 4 and the moving groove of the upper surface of the mounting plate 4 in sequence, and the clamping plate 5 slides in the through hole at the same time, the clamping plate 5 is slidably connected with the inner side wall of the moving groove 27, the inner side wall of the clamping plate 5 is fixedly provided with a fixing seat 30, the fixing seat 30 is internally provided with a threaded hole, the fixing seat 30 is inserted in the inner side wall of the part of the inner cavity of the mounting plate 4, and the two ends of the fixing seat 30 extend out of the surfaces of the front and back sides of the clamping plate 5 respectively, the two fixing seats 30 are connected with the outer side wall of the threaded rod 33 through threads which are symmetrical from front to back, the threaded rod 33 sequentially penetrates through the inner cavities of the mounting plate 4 and the fixing plate 6 and extends to the outside, as shown in the attached drawing of the specification, threads with opposite rotating directions and same thread pitch are respectively and symmetrically arranged at the left end and the right end of the middle part of the threaded rod 33, the front end and the back end of the threaded rod 33 respectively penetrate through the inner cavities of the two fixing plates 6 and extend to the outside of the mounting plate 4, the back side walls of the two fixing plates 6 are fixedly provided with the supporting plates 32 which are symmetrical from top to bottom, the opposite side walls of the two supporting plates 32 are respectively and fixedly connected with the two ends of the mounting seat 31, the two mounting seats 31 are rotatably connected with the outer side wall of the threaded rod 33 from front to back, the operating rod 12 is fixedly arranged on the front side wall of the threaded rod 33, the bottom plate 20 is placed on the upper surface of the second auxiliary plate 2, and the two clamping plates 5 are placed on the two sides of a steel structure, then rotate the action bars 12, drive threaded rod 33 through action bars 12 and rotate, because threaded rod 33 passes through the symmetrical screw thread that the center set up, drive two splint 5 relative movement through the inside screw thread of two fixing bases 30, when the fixed centre gripping of two splint 5 is on the steel construction surface, stop rotating action bars 12, guarantee the stability of second auxiliary plate 2, guarantee the precision of steel construction installation, guarantee the stability of threaded rod 33 through two mount pads 31 when threaded rod 33 rotates, improve the stability of angle accommodation process.

Specifically, movable cavity 22 has been seted up to bottom plate 20's inside wall, movable cavity 22's inside wall sliding connection has balancing ball 24, the inside cavity size in movable cavity 22 is corresponding with balancing ball 24's diameter size, it rolls at movable cavity 22's inner wall to guarantee that balancing ball 24 can laminate, bottom plate 20's preceding lateral wall is provided with and indicates marking 21, when adjusting 2 levelness of second accessory plate, make balancing ball 24 roll in movable cavity 22, through balancing ball 24 position on instructing marking 21, adjust bottom plate 20's balance degree, guarantee that second accessory plate 2 is on horizontal position when steel structrual installation, guarantee steel structrual installation's stability.

Particularly, the last lateral wall fixed mounting of splint 5 has limiting plate 7, the fixed mounting of symmetry has mounting bracket 29 around the lower lateral wall of limiting plate 7, the inside wall fixed mounting of mounting bracket 29 has center pin 28, the lateral wall swing joint of center pin 28 has leading wheel 26, leading wheel 26 sliding connection is at the last lateral wall of mounting panel 4, when two splint 5 adjust relative position, prevent splint 5 from the inside landing of mounting panel 4 through limiting plate 7, limiting plate 7 is along with the process that splint 5 removed, roll on mounting panel 4 upper surface through leading wheel 26, guarantee limiting plate 7's stability, thereby splint 5's stability has been improved, guarantee steel structure installation process's stability.

Specifically, the fixed mounting that two splint 5's relative lateral wall all symmetry has buffer block 11, at a plurality of buffer blocks 11 of the even fixed mounting of the opposite face of two splint 5, through the buffer power of a plurality of buffer blocks 11 increase clamping face, prevents to cause the damage to the surface of steel construction.

Specifically, the outer side wall of the operating rod 12 is sleeved with the anti-slip sleeve 23, the anti-slip sleeve 23 is fixedly sleeved on the outer surface of the operating rod 12, the friction force in the operating process is increased through the anti-slip sleeve 23, and the safety of the operating process is improved.

The working principle is as follows: the balance degree of the bottom plate 20 is adjusted through the position of the balance ball 24 on the indication mark line 21 to ensure that the second auxiliary plate 2 is in a horizontal position when the steel structure is installed, then the bottom plate 20 is placed on the upper surface of the second auxiliary plate 2, the two clamping plates 5 are placed on two sides of the steel structure, then the operating rod 12 is rotated, the operating rod 12 drives the threaded rod 33 to rotate, the threaded rod 33 drives the two clamping plates 5 to move relatively through the threads in the two fixing seats 30 due to the symmetrical threads arranged at the center of the threaded rod 33, when the two clamping plates 5 are fixedly clamped on the surface of the steel structure, the operating rod 12 is stopped rotating to ensure the stability of the second auxiliary plate 2, then the installation angle of the other steel structure is adjusted according to the building requirement, the screw 14 is rotated, the worm 19 is driven to rotate through the screw 14, and the rotating shafts at two ends of the worm 19 rotate in the two bearing seats 18 when rotating, the worm 19 can drive the worm wheel 37 to rotate when rotating, so that the worm wheel 37 drives the movable shaft 13 to rotate in the through hole of the second auxiliary plate 2, the second gear 8 rotates along with the movable shaft 13, the first gear 9 is driven to rotate, the first gear 9 drives the rotating shaft 10 to rotate, the first auxiliary plate 1 is driven to rotate, the angle between the first auxiliary plate 1 and the second auxiliary plate 2 is adjusted according to the building design, when the angle is adjusted to a proper angle, another rigid structure is attached to the surface of the first auxiliary plate 1 according to the position of the first auxiliary plate 1, and then the steel structure is combined and fixed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an auxiliary device is connected to steel construction, includes pivot (10), its characterized in that: the outer side wall of the rotating shaft (10) is sleeved with a first auxiliary plate (1), the outer side wall of the rotating shaft (10) is movably sleeved with a second auxiliary plate (2), the outer side wall of the rotating shaft (10) is fixedly sleeved with a first gear (9), the outer side wall of the first gear (9) is in transmission connection with a second gear (8), the second gear (8) is sleeved on the outer side wall of a movable shaft (13), the outer side wall of the movable shaft (13) is sleeved with a worm wheel (37), the movable shaft (13) penetrates through the inner cavity of the second auxiliary plate (2) and extends to the outside, the outer side wall of the worm wheel (37) is in transmission connection with a worm (19), the outer side walls of rotating shafts at two ends of the worm (19) are movably connected with bearing seats (18), bearings are arranged in the bearing seats (18), and the two bearing seats (18) are fixedly arranged on the lower side wall of the second auxiliary plate (2) through mounting rods in bilateral symmetry, the right side wall fixedly connected with lead screw (14) of worm (19), the lateral wall threaded connection of lead screw (14) has nut (15), nut (15) are through nut seat fixed connection at the lower lateral wall of link (16), the last lateral wall fixed mounting of link (16) has connecting axle (34), the lateral wall swing joint of connecting axle (34) has removal wheel (35), remove wheel (35) sliding connection at the inside wall of connecting plate (3), spout (36) have been seted up to the lower lateral wall of connecting plate (3), link (16) sliding connection be in the inside wall of spout (36), the lower lateral wall bilateral symmetry of second accessory plate (2) is through support frame (17) fixedly connected with bottom plate (20).

2. The steel structure connection auxiliary device of claim 1, wherein: the utility model discloses a threaded connection of the utility model, including the equal symmetry of the left and right sides wall of bottom plate (20) through connecting rod (25) fixedly connected with mounting panel (4), the fixed mounting of the equal symmetry of the front and back both sides wall of mounting panel (4) has fixed plate (6), the equal symmetrical fixed mounting of the upper and lower both sides wall of mounting panel (4) has shifting chute (27), the inside wall sliding connection of shifting chute (27) has splint (5), splint (5) run through in the inner chamber of mounting panel (4) and extend to the outside, splint (5) sliding connection is at the inside wall of shifting chute (27), the inside wall fixed mounting of splint (5) has fixing base (30), fixing base (30) embeds there is the screw hole, two the threaded connection of symmetry is at the lateral wall of threaded connection (33) around fixing base (30), threaded rod (33) runs through the inner chamber in mounting panel (4) and fixed plate (6) in proper order and extends to the outside, the back side walls of the two fixing plates (6) are fixedly provided with supporting plates (32) which are vertically symmetrical, the opposite side walls of the two supporting plates (32) are fixedly connected with the two ends of a mounting seat (31) respectively, the two mounting seats (31) are rotationally connected to the outer side wall of the threaded rod (33) in a front-back symmetrical mode, and the front side wall of the threaded rod (33) is fixedly provided with an operating rod (12).

3. The steel structure connection auxiliary device of claim 1, wherein: the movable cavity (22) is formed in the inner side wall of the bottom plate (20), a balance ball (24) is connected to the inner side wall of the movable cavity (22) in a sliding mode, and an indication marking line (21) is arranged on the front side wall of the bottom plate (20).

4. The steel structure connection auxiliary device of claim 2, wherein: the last lateral wall fixed mounting of splint (5) has limiting plate (7), the fixed mounting of symmetry has mounting bracket (29) around the lower lateral wall of limiting plate (7), the inside wall fixed mounting of mounting bracket (29) has center pin (28), the lateral wall swing joint of center pin (28) has leading wheel (26), leading wheel (26) sliding connection be in the last lateral wall of mounting panel (4).

5. The steel structure connection auxiliary device of claim 2, wherein: and buffer blocks (11) are symmetrically and fixedly arranged on the opposite side walls of the two clamping plates (5).

6. The steel structure connection auxiliary device of claim 2, wherein: and the outer side wall of the operating rod (12) is sleeved with an anti-slip sleeve (23).