CN114193271A

CN114193271A - Steel structure end processing apparatus for building

Info

Publication number: CN114193271A
Application number: CN202210150013.1A
Authority: CN
Inventors: 陆继江; 秦健; 朱顺平; 潘耀强
Original assignee: Jiangsu Yongzhan Pipeline Technology Co ltd
Current assignee: Jiangsu Yongzhan Pipeline Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-03-18
Anticipated expiration: 2042-02-18
Also published as: CN114193271B

Abstract

The invention discloses a steel structure end processing device for buildings, which comprises an operation table, a clamping cavity and hydraulic rods, wherein the clamping cavity is formed in the top of the operation table and used for installing a clamping plate, the hydraulic rods are arranged on two side edges of the operation table and used for pushing the clamping plate to clamp, and an auxiliary adjusting plate and a positioning structure fastened by a positioning rod are arranged in a sleeve; the positioning structure comprises a meshing disc which is rotatably arranged in a sleeve, positioning plates which are meshed with the meshing disc are symmetrically arranged in the sleeve and correspond to the two sides of the meshing disc, a rotating handle which drives the meshing disc to rotate is arranged on the sleeve, and an inserting column and a positioning column which are fastened by an auxiliary adjusting plate and the positioning rod are fixed on the outer side edge of each positioning plate. This steel structure tip processing apparatus for building, reasonable in design can adjust steel structure tip processing angle by oneself according to the angle difference of the required grinding of tip when grinding the tip, reduces whole operating time, improves work efficiency.

Description

Steel structure end processing apparatus for building

Technical Field

The invention belongs to the technical field of steel structure processing, and particularly relates to a steel structure end processing device for a building.

Background

Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer.

In the steel structure course of working, for adapting to different installation demands, different inclination angles of grinding and polishing the end part of the steel structure are sometimes needed, so that the subsequent work such as welding and installation is facilitated.

The existing steel structure end part is processed, the grinding angle of the machine is not convenient to adjust and control, the steel structure at different angles needs to be ground, the steel structure end part is ground by manually holding the grinding machine, and the working efficiency is low.

Disclosure of Invention

The invention aims to provide an end processing device for a construction steel structure, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a steel structure end processing device for construction comprises an operation table, a clamping cavity arranged at the top of the operation table and used for installing a clamping plate, and hydraulic rods arranged on two side edges of the operation table and used for pushing the clamping plate to clamp, wherein a cross-shaped fixed plate is arranged at one end of the operation table through a connecting plate, two mounting plates used for installing an operation disc are symmetrically arranged on the fixed plate, a gas collection structure is arranged on the outer side edge of the fixed plate, a channel used for installing the mounting plates is arranged on the fixed plate, and a threaded rod used for assisting the mounting plates to adjust is arranged in the channel;

the grinding disc for assisting end grinding is rotatably arranged on the operating disc, an adjusting component for driving the operating disc to adjust the angle is arranged on the outer side edge of the mounting plate, the adjusting component comprises a sleeve and an adjusting plate inserted and installed on the sleeve, two sides of one end, close to the adjusting plate, of the sleeve are respectively provided with an embedded ring in a hinged mode, a positioning rod is arranged on the embedded ring in a penetrating mode, the upper bottom of the positioning rod is mounted on the mounting plate in a hinged mode, and a positioning structure for assisting the adjusting plate to be fastened with the positioning rod is arranged inside the sleeve;

the positioning structure comprises a meshing disc which is rotatably arranged in a sleeve, positioning plates which are meshed with the meshing disc are symmetrically arranged in the sleeve and correspond to the two sides of the meshing disc, a rotating handle which drives the meshing disc to rotate is arranged on the sleeve, and an inserting column and a positioning column which are fastened by an auxiliary adjusting plate and the positioning rod are fixed on the outer side edge of each positioning plate.

Preferably, the regulating plate is hollow inside, channels for the inserting columns and the positioning columns to pass through are symmetrically formed in the outer side edge of the regulating plate, the inserting columns and the positioning columns are arranged in a triangular mode, a plurality of inserting holes matched with the inserting columns are formed in the inner side edge of the regulating plate in a symmetrical and equidistant mode, and positioning holes matched with the positioning columns are formed in one side edge, adjacent to the positioning rods, in an equidistant mode.

Preferably, the operation panel is provided with a plurality of dust collecting holes communicated with the gas collecting structure on the outer side edge of the polishing panel, the outer side edge of the operation panel is provided with an installing head in a protruding manner, the installing head is installed on the gas collecting structure through a gas collecting pipe, and the plurality of dust collecting holes are arranged in an annular array by taking the circle center of the polishing panel as the center.

Preferably, the gas collection structure includes the gas collection tank and is used for filtering the grafting steamer tray of album dirt, the gas collection tank is the box column structure, and both ends all install the discharge, the inside dust collection chamber of having seted up of gas collection tank, and middle-section department is fixed with trapezoidal mount pad, the grafting steamer tray transversely wears to establish and installs on the mount pad, and offers in the grafting steamer tray and supply the filterable filter screen of piece, install the clearance subassembly of supplementary clearance on the grafting steamer tray, it is provided with the air exit to correspond filter screen department on the gas collection tank.

Preferably, the filter screen is hourglass hopper-shaped, and the bottom department that the grafting steamer tray corresponds the filter screen sets up the collection chamber that supplies the piece to collect.

Preferably, the cleaning assembly comprises a rotating rod arranged at the center of the filter screen in a rotating mode through a bearing, and a wind wheel and a cleaning rod which are arranged at two ends of the rotating rod, the cleaning rod is attached to the inner side edge of the filter screen, and the wind wheel is arranged at an air outlet.

Preferably, an oblong cavity channel is formed in the inner side edge of the clamping plate, and a rust removing structure for assisting polishing of the outer side edge of the steel structure is mounted in the cavity channel.

Preferably, a guide strip is horizontally fixed in the cavity channel, an adjusting cavity for rotating the transmission rod is formed in the center of the guide strip, and the rust removing structure is sleeved on the guide strip.

Preferably, the rust removing structure comprises a fixed disc arranged on the guide strip and a rust removing disc rotatably arranged on the fixed disc, the fixed disc is integrally provided with a protruding block which is matched and sleeved with the transmission rod, and a transmission assembly which drives the protruding disc on the rust removing disc to rotate is arranged in the fixed disc.

Preferably, rust cleaning dish integrated into one piece sets up on the inboard side of rust cleaning dish, drive assembly is formed by two driving disks and connecting rod combination, and installs branch through the bearing on the connecting rod, the branch top is fixed on the inboard side of fixed disk, and the outer fringe and the gib block top meshing of a driving disk, the outer fringe and the outer fringe meshing of protruding dish of another driving disk.

The invention has the technical effects and advantages that: the steel structure end processing device for the building comprises an adjusting assembly and a processing assembly, wherein the adjusting assembly comprises a sleeve and an adjusting plate inserted and installed on the sleeve, embedded rings are hinged to two sides of one end, close to the adjusting plate, of the sleeve, locating rods are arranged on the embedded rings in a penetrating mode, the upper bottom of each locating rod is hinged and installed on an installation plate, and a locating structure for assisting the adjusting plate and the corresponding locating rod to be fastened is arranged inside the sleeve; the positioning structure comprises a meshing disc which is rotatably arranged in a sleeve, positioning plates which are meshed with the meshing disc are symmetrically arranged in the sleeve and correspond to two sides of the meshing disc, a rotating handle which drives the meshing disc to rotate is arranged on the sleeve, an auxiliary adjusting plate and an inserting column and a positioning column which are fastened by the positioning rod are fixed on the outer side edge of the positioning plate, the steel structure end part machining angle can be automatically adjusted according to different grinding angles required by the end part when the end part is ground by arranging two grinding discs which are hinged on an operation disc and an adjusting component which drives the grinding discs to adjust the angle, so that the grinding requirements of different angles of the end part can be met, the integral stability of the component can be further adjusted by matching between the positioning rod and an embedded ring after adjustment, and the problems of grinding disc shaking and the like in the grinding process after adjustment can be further avoided, the grinding processing of different angles can be simultaneously carried out on the end part of the same steel structure as required, so that the end part processing time can be further reduced, and the overall processing efficiency is improved;

the outer side edge of the fixed plate is provided with a gas collecting structure, the outer side edge of the polishing disc arranged on the operation disc is provided with a plurality of dust collecting holes communicated with the gas collecting structure, the plurality of gas collecting holes are arranged in an annular array by taking the circle center of the polishing disc as the center, the gas collecting structure comprises a gas collecting box and a splicing drawer for filtering and collecting dust, the gas collecting box is of a box-shaped structure, gas collecting pipes are arranged at two ends of the gas collecting box, and cleaning components for assisting cleaning are arranged on the splicing drawer, so that metal scraps generated by grinding can be well adsorbed and filtered by matching the dust collecting holes, the gas collecting box, the filter screen and the like in the process of grinding, thereby avoiding the scraps from influencing the quality of the working environment, and in the process of filtering, the wind wheel is driven to rotate by the flow of air flow, thereby the impurities on the filter screen can be well scraped and swept by the cleaning components, and avoiding the scraps from gathering to influence on the filtering effect of the filter screen, the stable movement of the machine structure is ensured;

the chamber is said the internal level and is fixed with the gib block, the central department of gib block sets up and supplies threaded rod pivoted regulation chamber, rust cleaning structure cover is established and is installed on the gib block, the rust cleaning structure sets up the rust cleaning dish on the fixed disk including installing the fixed disk on the gib block and rotating, integrated into one piece is provided with the outstanding piece of establishing with threaded rod cooperation cover on the fixed disk, the fixed disk is inside to be provided with to drive on the rust cleaning dish outstanding dish and rotate and drive transmission assembly, and when the rust cleaning was more on the steel construction outside edge, can drive the rust cleaning dish rotation by oneself through the removal of rust cleaning structure when pressing from both sides tight state to carry out fine rust cleaning work to the rust cleaning of steel construction both sides.

Drawings

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

FIG. 2 is a schematic structural view of the fixing plate after the adjustment assembly is installed thereon;

FIG. 3 is a schematic structural diagram of a mounting plate and an operation table according to the present invention;

FIG. 4 is a cross-sectional view of a vapor collection tank of the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 6 is an enlarged view taken at B of FIG. 1 in accordance with the present invention;

FIG. 7 is a half sectional view of a rust removing structure of the present invention;

FIG. 8 is a schematic view of a positioning plate according to the present invention;

FIG. 9 is a half-sectional view of an adjustment plate of the present invention.

In the figure: 1. an operation table; 2. a clamping plate; 3. a hydraulic lever; 4. a fixing plate; 5. mounting a plate; 6. an operation panel; 61. grinding disc; 7. adjusting the motor; 8. a threaded rod; 9. an adjustment assembly; 10. a sleeve; 101. embedding a ring; 102. positioning a rod; 11. an adjusting plate; 111. inserting holes; 12. a positioning structure; 121. an engaging disk; 122. positioning a plate; 1221. inserting the column; 1222. a positioning column; 13. a gas collection structure; 131. a gas collecting pipe; 14. a gas collection tank; 141. a mounting seat; 15. splicing the drawers; 16. cleaning the assembly; 17. a filter screen; 18. a wind wheel; 19. cleaning the rod; 20. a rust removal structure; 21. a guide strip; 22. a transmission rod; 23. fixing the disc; 231. a protruding block; 24. a rust removing disc; 241. a protruding disc; 25. a transmission assembly; 26. a support rod.

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.

Example 1: when steel structure end parts with different inclination angles are ground according to needs, the invention provides a steel structure end part processing device for buildings as shown in figures 1, 2, 3, 5, 8 and 9, which comprises an operation table 1, a clamping cavity arranged at the top of the operation table 1 and used for installing a clamping plate 2, and hydraulic rods 3 arranged on two side edges of the operation table 1 and used for pushing the clamping plate 2 to clamp, wherein one end of the operation table 1 is provided with a cross-shaped fixing plate 4 through a connecting plate, the fixing plate 4 is provided with a channel for installing an installing plate 5, a threaded rod 8 for adjusting the installing plate 5 is arranged in the channel, and an adjusting motor 7 for driving the threaded rod 8 to rotate is arranged on the fixing plate 4, so that the position can be conveniently adjusted according to the size of a steel structure in the working process, and the stable working can be ensured;

the polishing device is characterized in that a polishing disc 61 for assisting end grinding is rotatably arranged on the operating disc 6, an adjusting component 9 for driving the operating disc 6 to adjust the angle is arranged on the outer side edge of the mounting plate 5, the adjusting component 9 comprises a sleeve 10 and an adjusting plate 11 inserted and installed on the sleeve 10, both sides of one end, close to the adjusting plate 11, of the sleeve 10 are respectively provided with an embedded ring 101 in a hinged mode, a slotted hole for a positioning column 1222 to penetrate through is formed in the embedded ring 101, a positioning rod 102 is installed on the embedded ring 101 in a penetrating mode, the bottom of the positioning rod 102 is installed on the mounting plate 5 in a hinged mode, and a positioning structure 12 for fastening the auxiliary adjusting plate 11 and the positioning rod 102 is arranged inside the sleeve 10;

the positioning structure 12 includes a meshing disc 121 rotatably disposed in the sleeve 10, positioning plates 122 engaged with the meshing disc 121 are symmetrically disposed inside the sleeve 10 and corresponding to two sides of the meshing disc 121, the positioning plates 122 are in an L-shaped plate structure, T-shaped protruding strips are fixed at the bottom of the positioning plates 122 in a protruding manner, limiting grooves for the protruding strips to slide are symmetrically disposed at the bottom of the sleeve 10, and the protruding strips and the protruding grooves are matched to ensure that the position of the positioning plate 122 does not change during movement, during specific operation, a coil spring is mounted on the meshing disc 121, the coil spring is disposed to ensure that the positioning plate 122 is always in a push-out state during operation, a rotating handle for driving the meshing disc 121 to rotate is disposed on the sleeve 10, an auxiliary adjusting plate 11 and a plug-in post 1221 and a positioning post 1222 fastened to the positioning rod 102 are fixed on an outer side of the positioning plate 122, rubber pads are mounted at outer edges of the plug-in post 1221 and the positioning post 1222 in an embedded manner, rubber pads can be inserted and installed in plug hole 111 and locating hole and guarantee the stability of plug post 1221 and reference column 1222, avoid plug post 1221 and reference column 1222 roll off.

Specifically, the inside cavity of regulating plate 11, and the symmetry is seted up on the outside limit of regulating plate 11 and is supplied grafting post 1221 and reference column 1222 to pass through the channel, grafting post 1221 and reference column 1222 are the triangle-shaped and arrange, the symmetry equidistance is seted up a plurality of and grafting post 1221 complex spliced eye 111 on the inboard limit of regulating plate 11, two a locating hole with reference column 1222 complex is seted up to equidistance on the adjacent side of locating lever 102.

Theory of operation, this steel structure tip processing apparatus for building, at first start the hydraulic stem, and then extension hydraulic stem 3 thereby promote clamp plate 2 and then press from both sides tight processing to the steel construction, the handle rotates, drive meshing dish 121 when rotating, meshing dish 121 rotates with locating plate 122, drive locating plate 122 when rotating and rotate, thereby make locating plate 122 withdraw, and make peg 1221 and reference column 1222 withdraw simultaneously, thereby make regulating plate 11 can remove, adjust required length to adjusting part 9, and inlay in accommodation process and establish ring 101 and locating lever 102 cooperation and cup joint, adjust to after the specified angle, the reversal is changeed the handle, it moves locating plate 122 when rotating to change the handle and move, thereby make reference column 1222 pegging graft and installing in the locating hole on locating lever 102, peg 1221 pegs graft and installs in peg 111 simultaneously.

Example 2: when the end part processing device for the steel structure for the building is used for polishing, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, two mounting plates 5 for mounting an operation plate 6 are symmetrically mounted on a fixing plate 4, and a gas collection structure 13 is arranged on the outer side edge of the fixing plate 4.

Specifically, the outside limit that operation panel 6 set up the dish 61 of polishing is provided with the dust collecting hole that a plurality of and gas collection structure 13 switched on, and the dust collecting hole is hourglass hopper-shaped, and the setting of leaking hopper-shaped can improve whole dust absorption effect in the course of the work, the outside limit of operation panel 6 is outstanding to be provided with the installation head, and installs on gas collection structure 13 through gas collecting pipe 131 at the installation head, and gas collecting pipe 131 is the bellows, and a plurality of dust collecting hole uses the centre of a circle of the dish 61 of polishing to set up as central annular array.

Specifically, the gas collecting structure 13 comprises a gas collecting box 14 and a plugging drawer 15 for filtering and collecting dust, the gas collecting structure 13 can be used for collecting dust by matching a dust collecting hole, the gas collecting box 14, a filter screen 17 and the like in the grinding process, the metal scraps generated by grinding are well adsorbed and filtered, so that the influence of the scraps on the quality of a working environment is avoided, in the filtering process, the gas collecting box 14 is in a box-shaped structure, and both ends of the gas collecting box are provided with gas collecting pipes 131, a dust collecting cavity is arranged inside the gas collecting box 14, and a trapezoidal mounting seat 141 is fixed at the middle section, the inserting drawer 15 is transversely arranged on the mounting seat 141 in a penetrating way, a filter screen 17 for filtering the scraps is arranged in the inserting drawer 15, a cleaning assembly 16 for assisting cleaning is arranged on the inserting drawer 15, an air outlet is arranged on the air collection box 14 corresponding to the filter screen 17 and can be communicated with a suction fan during operation.

Specifically, filter screen 17 is and leaks hopper-shaped, and the collection chamber that supplies the piece to collect is seted up in the bottom department that grafting steamer tray 15 corresponds filter screen 17, and filter screen 17 leaks hopper-shaped's setting, can guarantee that the piece can outwards remove through striking off of clearance pole 19 in the course of the work to collect in the collection chamber that falls under the effect of no great wind power, convenient follow-up clearance to grafting steamer tray 15.

Specifically, clearance subassembly 16 includes that it sets up the bull stick and install at the wind wheel 18 and the clearance pole 19 at the bull stick both ends of filter screen 17 center department to rotate through the bearing, clearance subassembly 16's setting can drive wind wheel 18 through the flow of air current in the course of the work and rotate to carry out fine sweeping through clearance subassembly 16 impurity on to filter screen 17 and clear away, avoid the piece to gather the filter effect who influences filter screen 17, guarantee machine structure ability steady motion, clearance pole 19 laminating is installed on filter screen 17 inner side edge, wind wheel 18 installation exhaust port department.

Theory of operation, this steel structure tip processing apparatus for building, start the suction fan, make mill 61 rotate and polish the grinding to the steel structure tip, the suction fan during operation drives the dust collecting hole department air current and flows, thereby the air current that makes the grinding produce passes through the dust collecting hole and enters into gas collection box 14, and filter the grinding piece through filter screen 17, and it rotates to drive wind wheel 18 through the air current that flows at the in-process that induced drafts, thereby make clearance pole 19 rotate, and then carry out fine clearance to absorbent dust on the filter screen 17, and collect through collecting the chamber.

Example 3: when the steel structure is in a clamping state, the invention provides the device for processing the end part of the steel structure for the building, which is shown in the figures 1, 6 and 7, wherein an oblong cavity is formed in the inner side edge of the clamping plate 2, and a rust removing structure 20 for assisting the grinding of the outer side edge of the steel structure is arranged in the cavity.

Specifically, a guide strip 21 is horizontally fixed in the cavity, an adjusting cavity for rotating a transmission rod 22 is formed in the center of the guide strip 21, a rotating motor for driving the transmission rod 22 to rotate is installed at one end of the guide strip 21, and the rust removing structure 20 is installed on the guide strip 21 in a sleeved mode.

Concretely, rust cleaning structure 20 is including installing fixed disk 23 on gib block 21 and rotating the rust cleaning dish 24 that sets up on fixed disk 23, rust cleaning structure 20 can be when the rust cleaning is more on the steel construction outside limit to when clamping state, come to drive rust cleaning dish 24 rotation by oneself through rust cleaning structure 20's removal, thereby carry out fine rust cleaning work to the rust cleaning of steel construction both sides, integrated into one piece is provided with the outstanding piece 231 of establishing with transfer line 22 cooperation cover on the fixed disk 23, screw-thread fit between outstanding piece 231 and the transfer line 22, fixed disk 23 inside is provided with the transmission assembly 25 that drives the outstanding dish 241 pivoted on the rust cleaning dish 24.

Specifically, the rust removing disc 24 is integrally formed on the inner side edge of the rust removing disc 24, the transmission assembly 25 is formed by combining two transmission discs and a connecting rod, a supporting rod 26 is mounted on the connecting rod through a bearing and penetrates through the bearing, the supporting rod 26 is fixed on the outer side edge of the bearing, the top of the supporting rod 26 is fixed on the inner side edge of the fixed disc 23, the outer edge of one transmission disc is meshed with the top of the guide strip 21, the outer edge of the other transmission disc is meshed with the outer edge of the protruding disc 241, the diameter ratio of the transmission disc to the protruding disc 241 is 5:1 or more, the larger diameter ratio can ensure that the protruding disc 241 can be driven to rotate for a plurality of circles when the transmission disc moves to a smaller position in the working process, so that the purpose of rust removing and cleaning is achieved, and the rust removing effect can be achieved well.

Theory of operation, this steel structure tip processing apparatus for building, start the rotation motor, thereby it rotates to drive transfer line 22, thereby screw-thread fit makes fixed disk 23 remove between transfer line 22 and the protruding piece 231, at the 23 in-process that remove of fixed disk, transmission disc and the 21 top meshing of gib block on the transmission assembly 25, thereby make transmission assembly 25 rotate wholly, another transmission disc and protruding dish 241 mesh between this moment, thereby make rust cleaning disc 24 rotate, and then rotate the rust of steel construction surface and clear away.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a steel structure tip processing apparatus for building, includes operation panel (1), sets up the tight chamber of clamp that supplies clamp plate (2) to install and be used for promoting on operation panel (1) both sides limit that clamp plate (2) press from both sides tight hydraulic stem (3), its characterized in that at operation panel (1) top: one end of the operating platform (1) is provided with a cross-shaped fixed plate (4) through a connecting plate, two mounting plates (5) for mounting an operating panel (6) are symmetrically mounted on the fixed plate (4), a gas collection structure (13) is arranged on the outer side edge of the fixed plate (4), a channel for mounting the mounting plates (5) is formed in the fixed plate (4), and a threaded rod (8) for assisting the mounting plates (5) in adjustment is arranged in the channel;

the grinding disc (61) for assisting end grinding is rotatably arranged on the operating disc (6), an adjusting component (9) for driving the operating disc (6) to adjust the angle is installed on the outer side edge of the mounting plate (5), the adjusting component (9) comprises a sleeve (10) and an adjusting plate (11) installed on the sleeve (10) in an inserting mode, two sides of one end, close to the adjusting plate (11), of the sleeve (10) are respectively provided with an embedding ring (101) in a hinged mode, a positioning rod (102) penetrates through the embedding ring (101), the bottom of the positioning rod (102) is installed on the mounting plate (5) in a hinged mode, and a positioning structure (12) for assisting the adjusting plate (11) and the positioning rod (102) to be fastened is arranged inside the sleeve (10);

the positioning structure (12) comprises a meshing disc (121) rotatably arranged in a sleeve (10), positioning plates (122) meshed with the meshing disc (121) are symmetrically arranged inside the sleeve (10) and correspond to the two sides of the meshing disc (121), a rotating handle driving the meshing disc (121) to rotate is arranged on the sleeve (10), and an inserting column (1221) and a positioning column (1222) fastened by an auxiliary adjusting plate (11) and a positioning rod (102) are fixed on the outer side edge of the positioning plate (122).

2. The structural steel for construction as set forth in claim 1, wherein: the utility model discloses a positioning device, including regulating plate (11), locating column (1222), adjusting plate (11) and locating column (1221), the inside cavity of regulating plate (11), and the channel that supplies grafting post (1221) and locating column (1222) to pass through is seted up to the symmetry on the outside limit of regulating plate (11), grafting post (1221) and locating column (1222) are triangle-shaped and arrange, a plurality of and grafting post (1221) complex spliced eye (111) have been seted up to the symmetry equidistance on the inboard limit of regulating plate (11), two the locating hole with locating column (1222) complex is seted up to the equidistance on the adjacent side of locating lever (102).

3. The structural steel for construction as set forth in claim 1, wherein: the operation panel (6) are provided with a plurality of dust collecting holes communicated with the gas collecting structure (13) on the outer side edge of the polishing panel (61), an installing head is arranged on the outer side edge of the operation panel (6) in a protruding mode, the installing head is installed on the gas collecting structure (13) through the gas collecting pipe (131), and the plurality of dust collecting holes are arranged in an annular array mode by taking the circle center of the polishing panel (61) as the center.

4. The structural steel for construction as set forth in claim 3, wherein: gas collection structure (13) include gas collection box (14) and be used for filtering album of dirt grafting steamer tray (15), gas collection box (14) are the box column structure, and both ends all install gas collecting tube (131), gas collection box (14) inside has seted up the dust collection chamber, and middle-section department is fixed with trapezoidal mount pad (141), grafting steamer tray (15) transversely wear to establish and install on mount pad (141), and seted up in grafting steamer tray (15) and supply filterable filter screen (17) of piece, install the clearance subassembly (16) of supplementary clearance on grafting steamer tray (15), it is provided with the air exit to correspond filter screen (17) department on gas collection box (14).

5. The structural steel for construction as set forth in claim 4, wherein: filter screen (17) are hourglass hopper-shaped, and the bottom department that grafting steamer tray (15) corresponds filter screen (17) offers the collection chamber that supplies the piece to collect.

6. The structural steel for construction as set forth in claim 5, wherein: clearance subassembly (16) include through the bearing rotation set up at the bull stick of filter screen (17) center department and install wind wheel (18) and clearance pole (19) at the bull stick both ends, clearance pole (19) laminating is installed on filter screen (17) inside edge, wind wheel (18) installation air outlet department.

7. The structural steel for construction as set forth in claim 1, wherein: and an oblong cavity channel is formed in the inner side edge of the clamping plate (2), and a rust removing structure (20) for assisting polishing of the outer side edge of the steel structure is arranged in the cavity channel.

8. The structural steel for construction as set forth in claim 7, wherein: a guide strip (21) is horizontally fixed in the cavity channel, an adjusting cavity for rotating a transmission rod (22) is formed in the center of the guide strip (21), and the rust removing structure (20) is sleeved on the guide strip (21).

9. The structural steel for construction as set forth in claim 8, wherein: the rust removing structure (20) comprises a fixed disc (23) arranged on a guide strip (21) and a rust removing disc (24) rotatably arranged on the fixed disc (23), wherein a protruding block (231) which is matched and sleeved with a transmission rod (22) is integrally formed on the fixed disc (23), and a transmission assembly (25) which drives the protruding disc (241) on the rust removing disc (24) to rotate is arranged inside the fixed disc (23).

10. The structural steel for construction as set forth in claim 9, wherein: rust cleaning dish (24) integrated into one piece sets up on the inner side edge of rust cleaning dish (24), drive assembly (25) are formed by two driving disks and connecting rod combination, and install branch (26) through the bearing on the connecting rod, branch (26) top is fixed on the inboard side of fixed disk (23), the outer fringe and the guide strip (21) top meshing of a driving disk, the outer fringe and the outer fringe meshing of protruding dish (241) of another driving disk.