CN113681064A

CN113681064A - Steel construction edge opening plane limit equipment

Info

Publication number: CN113681064A
Application number: CN202111072786.4A
Authority: CN
Inventors: 周艳华; 王新立; 亚华丽
Original assignee: Hebei Huahong Engineering Materials Co ltd
Current assignee: Hunan Wangjia Hangxiao Prefabricated Building Technology Co Ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2021-11-23
Anticipated expiration: 2041-09-14
Also published as: CN113681064B

Abstract

The invention discloses steel structure edge planing equipment, which relates to the technical field of metal machining and comprises an installation frame, wherein a planing tool mechanism is installed on the installation frame, the planing tool mechanism comprises at least two planing tools, and the planing tools are sequentially fed to different depths to achieve edge planing. According to the invention, when the planing tool mechanism arranged on the mounting rack is used for planing the edge of the steel structure, the cutting depth of the planing tool and the steel structure edge is reduced, so that the abrasion speed of the edge of the planing tool is favorably reduced, and a good planing effect is favorably kept.

Description

Steel construction edge opening plane limit equipment

Technical Field

The invention relates to the technical field of metal machining, in particular to edge planing equipment for a steel structure edge.

Background

The steel construction is the structure of constituteing by steel material, can use usually in building structure, mainly comprises components such as girder steel, steel sheet, in order to prevent the steel construction corrosion, general steel construction will rust cleaning, zinc-plating or other anti-rust coating, in order to make each partial coating of structure all reach standard thickness, often need carry out the technology processing of planing edge fillet to steel construction right angle or acute angle part through relevant planing edge equipment.

The existing Chinese patent is disclosed as CN103143764B, the name of the patent is 'portable steel structure edge planer', the patent comprises a motor, a handle and a cutting cutter disc, the motor is arranged on a connecting plate, the connecting plate and the upper side of a base form an acute angle, the base comprises two mutually perpendicular intersecting planes, a slot is arranged in the base, the slot is positioned in the perpendicular intersecting position of the two planes, the slot penetrates through the base, the cutting cutter disc is fixedly connected on a motor output shaft, the axial direction of the motor output shaft is parallel to the connecting plate and is perpendicular to the length direction of the slot, the cutting cutter disc is fixedly provided with more than two cutting cutter heads in number in the circumferential direction, and the lower edge of the cutting cutter disc is positioned in the slot. The blade of the cutting tool bit is provided with a circular arc notch. The base is placed on a steel structure to be machined, the right-angled inner side of the base is adjacent to a to-be-machined edge of the steel structure, the cutting cutter disc cuts through the slot opening, and a round corner structure can be cut.

There is the weak point among the prior art to lie in, when digging the limit to steel construction limit mouth, in order to guarantee machining efficiency, often steel construction limit mouth digs limit equipment and carries out the once and advance along steel construction limit mouth and accomplish the planing, consequently the edge of a knife keeps higher depth of cut with steel construction limit mouth, makes the edge of a knife wearing and tearing too fast easily under this state condition to influence the cutting effect.

Disclosure of Invention

The invention aims to provide edge planing equipment for a steel structure edge opening, which aims to overcome the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a steel construction limit mouth planing device, includes the mounting bracket, install planer tool mechanism on the mounting bracket, planer tool mechanism is including two at least planer tools, and is a plurality of the planer tool advances the different degree of depth of tool in proper order in order to realize the planing limit.

Preferably, the mounting frame is provided with a plurality of insertion ports for mounting the planing tool mechanisms, the planing tools are correspondingly mounted in the insertion ports one to one, and the planing tools are distributed on the mounting frame in a stepped manner.

Preferably, the planing tool is connected to the mounting frame through a bending plate, and the bending plate is provided with supporting wheels for rolling on two side walls of the steel structure edge.

Preferably, the planer tool is a shaft column-shaped tool body, and the blade part of the planer tool is provided with an arc-shaped notch.

Preferably, the planer tool is connected with the interface through a connecting assembly, the connecting assembly comprises an opening frame, the opening frame is a U-shaped frame connected with the interface, and a power assembly used for driving the planer tool to rotate is fixed on the opening frame.

Preferably, the planing tool is rotatably connected with the opening frame through the supporting component, and the rotation axis of the planing tool is perpendicular to the U-shaped central line of the U-shaped frame.

Preferably, the power assembly comprises a double-head motor fixed with the opening frame, and output shafts of the double-head motor are respectively fixed with a first gear which is meshed with a second gear fixed with the planing tool.

Preferably, the bearing component comprises a mounting port arranged on the side face of the opening frame, a bearing plate is hinged inside the mounting port, a positioning blind hole connected with the end part of the planer tool in a rotating mode is formed in the bearing plate, and a bolt piece connected with the opening frame is installed on the bearing plate.

Preferably, the planer tool comprises a shaft cylinder, the outer side of the shaft cylinder is fixed with the plurality of cutting edges, blind insertion openings with non-circular cross sections are formed in the two ends of the shaft cylinder, and driving rods are inserted in the blind insertion openings in a matched mode.

Preferably, the end of the driving rod far away from the shaft cylinder is a cylindrical end body.

In the technical scheme, when the planing tool mechanism arranged on the mounting frame is used for planing the edge of the steel structure, the planing tools are used for planing the edge, the cutting depth of each planing tool and the steel structure edge is reduced, different tools are allowed to be configured according to different depths, the abrasion speed of the edges of the planing tools is favorably reduced, and a good planing effect is favorably kept.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of a three-dimensional mechanism of a steel structure edge planing device according to the present invention;

FIG. 2 is a schematic structural diagram of a mounting rack of the steel structure edge planing equipment of the present invention;

FIG. 3 is a schematic structural diagram of the front side of a planer tool mechanism of the steel structure edge planing device of the present invention;

FIG. 4 is a schematic side view of a planer tool mechanism of the steel structure edge planer of the present invention;

FIG. 5 is a schematic diagram of a supporting component mechanism of a steel structure edge planing device according to the present invention;

FIG. 6 is a sectional view of the planing tool mechanism of the steel structure edge planing device on the mounting rack;

FIG. 7 is a schematic cross-sectional view of the shaft cylinder of the steel structure edge planer of the present invention;

FIG. 8 is a schematic cross-sectional view taken at A-A of FIG. 3 in accordance with the present invention;

FIG. 9 is a schematic sectional structural view of a stepped cavity of the steel structure edge planing equipment.

Description of reference numerals:

1. a mounting frame; 1.1, bending a plate; 1.2, an interface; 1.3, positioning plates; 1.4, a supporting wheel; 2. a planer tool mechanism; 3. planing; 3.1, a knife edge part; 3.11, base strip; 3.12, a blade; 3.2, connecting the components; 3.21, opening frame; 3.22, a power assembly; 3.221, a double-head motor; 3.222, a first gear; 3.223, a second gear; 3.23, a supporting component; 3.231, a mounting port; 3.232, a support plate; 3.233, positioning blind holes; 3.234, a bolt piece; 3.235, an L-shaped latch plate; 3.236, a first ring frame; 3.237, a second ring frame; 3.3, a shaft column body; 3.31, blind insertion; 3.32, a driving rod; 4. a beam column 4; 4.1, positioning a groove; 4.2, blind openings; 4.21, a recessed hole; 4.22, a limit block; 4.3, knob column; 4.4, a stepped hole; 4.5, a limiting port; 4.6, conducting columns; 4.7, a spring; 4.8, a traction rope; 4.9, a conductive block; 5. a handle bar.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 9, an edge planer for steel structure edges according to an embodiment of the present invention includes a mounting frame 1, a planer tool mechanism 2 is mounted on the mounting frame 1, the planer tool mechanism 2 includes at least two planer tools 3, and the planer tools 3 are sequentially advanced to different depths to achieve edge planing.

Specifically, when current steel construction limit mouth edge planing equipment planed the limit to corresponding steel construction, the edge of a knife kept certain depth of cut with steel construction limit mouth, made the edge of a knife wearing and tearing too fast easily under this state condition to influence the cutting effect, and through a plurality of planer tool 3 on planer tool mechanism 2 different depths of feed in proper order in order to realize the edge planing, further reduction planer tool single depth of cut when planing the limit, thereby be favorable to playing the effect that reduces cutter degree of wear.

Specifically, the mounting frame 1 is a bent shell type structural frame body, the length direction of the frame body is consistent with the sideline direction of a steel structure, the planer tool mechanism 2 is fixed with the mounting frame 1 through a mounting piece, the mounting piece can be selected from spiral clamping components such as a bolt nut piece or a tiger clamp, and the planer tool mechanism 2 can be fixed on the mounting frame 1, so that the planing tools on the planing tool mechanism 2 are arranged in a step-type manner with different depths and can be fed in sequence, and the planing tools 3 are arranged in a linear step-type manner along the advancing direction of the mounting rack 1, the distance numerical value of the top of each planer tool 3 in this orientation apart from on the mounting bracket 1 is the increase of arithmetic difference numerical value in proper order, and planer tool 3 can be along with mounting bracket 1 along steel construction sideline direction remove and dig the limit operation to the steel construction limit, realizes that planer tool 3 advances in proper order but has the smear metal degree of depth of difference to the realization is dug the limit to the steel construction limit.

In the actual use process, the mounting frame 1 is contacted with the edge of the steel structure, so that the side surface of the mounting frame 1 is consistent with the edge direction of the steel structure and starts to move, the planing tool 3 moving along with the mounting frame 1 planes the edge of the steel structure, specifically, the planing tool 3 close to the front feeding end of the mounting frame 1 is a first position planing tool, the planing tool 3 behind the first position planing tool is a second position planing tool, when the first position planing tool planes the edge of the steel structure to form a planing track, meanwhile, the second position planing tool moves along the planing track formed by the first position planing tool, and carries out planing again on the basis of the planing surface of the first position planing tool, thereby realizing that the planing tool 3 sequentially feeds different depths to realize the edge planing effect, further reducing the single cutting depth of the planing tool 3 during planing, and reducing the abrasion speed during planing, it is advantageous to maintain a good planing effect, for example, the total cutting depth per time in planing is 4cm, the cutting depth of the planing tool in the first position is 2cm when the number of planing tools 3 is two, the cutting depth of the planing tool in the second position is 2cm, and for example, the cutting depth of the planing tool in the first position is 2cm and the cutting depth of the planing tool in the second position is 2cm when the total cutting depth per time in planing is 5cm, and similarly, the cutting depth of the planing tool in the third position after the planing tool in the second position is 1 cm.

As the preferred technical scheme of this embodiment, set up a plurality of interfaces 1.2 that are used for installing planer tool mechanism 2 on the mounting bracket 1, interface 1.2 is the rectangular type through opening that parallels with 1 tip of mounting bracket, two are no less than to interface 1.2's quantity, interface 1.2 evenly distributed on mounting bracket 1, a plurality of interface 1.2's tip all aligns with the outside limit of mounting bracket 1, a plurality of interface 1.2's tip is cascaded distribution on the side of mounting bracket 1, install in each interface 1.2 of 3 one-to-one of each planer tool, a plurality of planer tool 3 are cascaded distribution on mounting bracket 1.

As the preferred technical scheme of this embodiment, the planer tool 3 is connected to the mounting rack 1 through the bending plate 1.1, preferably, the bending plate 1.1 is a bending plate structure with a "n" shaped end portion, two handle bars 5 are symmetrically fixed on the top of the bending plate 1.1, by holding the handle bars 5, the handle bars 5 are most commonly rod bodies with two ends bent to the same side, and the rod bodies are fixed on the top of the bending plate 1.1, so as to facilitate taking and placing and controlling the bending plate 1.1, the planer tool 3 is located at the concave portion of the bending plate 1.1, so as to be convenient for planing when being close to the steel structure edge when in use, the bending plate 1.1 is provided with the bearing wheels 1.4 for rolling on two side walls of the steel structure edge, the wheel bodies of the bearing wheels 1.4 are preferably made of high temperature resistant elastic rubber material, have an anti-slip effect and a shock-absorbing effect, the number of the bearing wheels 1.4 on one side of the bending plate 1.1 is not less than two, which is used for reducing the frictional resistance between the bending plates 1.1 when the relative movement is carried out along the edge opening of the steel structure.

As a preferable technical solution of this embodiment, the planer tool 3 is a spindle-shaped tool body, the cutting edge portion 3.1 of the planer tool 3 is provided with an arc-shaped notch, the number of the cutting edge portions 3.1 is not less than three on the spindle-shaped body 3.3, the cutting edge portion 3.1 includes a base strip 3.11 fixed to the outer side of the spindle-shaped body 3.3, the base strip 3.11 is a strip-shaped block, a side edge line of the base strip 3.11 is arc-shaped notch, a side edge line of the base strip 3.11 fixed to the spindle-shaped body 3.3 is parallel to the axis of the spindle-shaped body 3.3, strip-shaped blades 3.12 for planing are fixed to both sides of the base strip 3.11, the blades 3.12 can be fixed to the base strip 3.11 by fasteners such as related screws, the cutting edge of the blades 3.12 is slightly higher than the edge of the base strip 3.11, the cutting edge line of the blades 3.12 and the arc-shaped notch line of the base strip 3.11 are concentric arc-shaped lines, and when the spindle-shaped body 3.3 is rotated forward, the cutting edge portion 3.1 is rotated with the cutting edge of the spindle-shaped body 3.3, and the cutting edge portion of the cutting edge of the spindle-shaped body 3.3.11, when the shaft cylinder 3.3 rotates reversely, the blade 3.12 on the other side of the blade part 3.1 and the edge of the steel structure cut in the same way, so that the planer tool 3 has cutting capability in both directions of the shaft cylinder 3.3.

As a preferable technical solution of this embodiment, the planer tool 3 is connected to the socket 1.2 through a connection component 3.2, the connection component 3.2 includes an opening frame 3.21, the opening frame 3.21 is a U-shaped frame connected to the socket 1.2, a power component 3.22 for driving the planer tool 3 to rotate is fixed on the opening frame 3.21, wherein an opening direction of the opening frame 3.21 is downward, the opening direction of the opening frame 3.21 is in the same direction as that of the bottom opening of the bending plate 1.1, an outer side surface of the opening frame 3.21 is flush with an inner wall surface of the bending plate 1.1, and a beam column 4 perpendicular to a center line of the opening frame 3.21 is fixed on a top of the opening frame 3.21, so as to define a position of the opening frame 3.21 on the bending plate 1.1.

Specifically, the length value of the beam column 4 is greater than the length value of the interface 1.2, the bottom of the beam column 4 is provided with a positioning groove 4.1 matched with the end edge of the interface 1.2, so as to facilitate the positioning of the beam column 4 in the axis direction of the interface 1.2, the top of the beam column 4 is provided with a cylindrical blind opening 4.2 with the axis and the positioning groove 4.1 on the same vertical plane, a knob column 4.3 is installed inside the blind opening 4.2 in a matched manner, a lug for increasing torque is fixed at the top of the knob column 4.3, two sides of the beam column 4 are both provided with a stepped hole 4.4 vertically communicated with the blind opening 4.2, the opposite surface of the end of the stepped hole 4.4 is at the interface 1.2 position, the wall surface of the interface 1.2 at the position is provided with a limit opening 4.5, a conductive block 4.9 electrically connected with an external power supply is installed inside the limit opening 4.5, the thickness value of the plate of the bending plate 1.1 is greater than the diameter value of the limit opening 4.5, and the insulating plate 1.1 is made of hard material, such as a hard plastic plate or a wooden plate, the open end of the stepped hole 4.4 is inserted with a conductive column 4.6 which can contact with the conductive block 4.9, the conductive column 4.6 and the conductive block 4.9 can be made of hard metal materials such as iron, copper or steel, the other end of the conductive column 4.6 is inserted with the limit port 4.5 in a matching way, in this state, a space enough for the conductive column 4.6 to be completely retracted into the stepped hole 4.4 is formed in the open end of the stepped hole 4.4, the open end of the stepped hole 4.4 is fixed with the conductive column 4.6 through a spring 4.7, the spring 4.7 is electrically connected with the power input end of the double-end motor 3.221 through a conductive line, the knob column 4.3 is connected with the conductive column 4.6 through a traction rope 4.8, and the traction rope 4.8 can be a hemp rope, a cotton rope or the like with a matched specification; in the practical use process, after the beam column 4 is positioned on the socket 1.2, the conductive column 4.6 is inserted into the limiting port 4.5 under the elastic force of the spring 4.7, and the conductive column 4.6 is contacted with the conductive block 4.9, so that the double-end motor 3.221 is also conducted with the circuit of the external power supply while the beam column 4 is limited in the socket 1.2, in addition, when the planing effect is not good, the beam column 4 can be directly horizontally deflected by one hundred eighty degrees at the moment, so that after the two ends of the beam column 4 are horizontally replaced, the beam column 4 is installed with the socket 1.2 again, at the moment, the limitation of the beam column 4 in the socket 1.2 and the conduction of the double-end motor 3.221 with the circuit of the external power supply can be still realized, so as to play a role of not distinguishing the positive and negative directions when the beam column 4 is first inserted in the socket 1.2, it needs to be particularly explained that the current directions of the double-end motors 3.221 are opposite to each other before and after the two ends of the beam column 4 are horizontally replaced, therefore, with the double-headed motor 3.221 as a reference, the rotation direction of the double-headed motor 3.221 is switched in along with the reverse direction of the current, and the output shaft of the double-headed motor 3.221 also rotates in the reverse direction.

In addition, the inner bottom of the blind hole 4.2 is provided with a sunken hole 4.21, the inner part of the sunken hole 4.21 is movably inserted with a limiting block 4.22 fixed with the knob column 4.3, the limiting block 4.22 is positioned at the non-rotation circle center position of the bottom of the knob column 4.3, when the bottom of the knob column 4.3 is contacted with the inner bottom of the blind hole 4.2, the limiting block 4.22 is inserted and matched with the sunken hole 4.21, so that the knob column 4.3 is limited in rotation, and when the knob column 4.3 needs to rotate, the knob column 4.3 is lifted up to separate the limiting block 4.22 from the sunken hole 4.21.

As a preferable technical solution of this embodiment, the planer tool 3 is rotatably connected to the opening frame 3.21 through the supporting member 3.23, so that the planer tool 3 can freely rotate on the opening frame 3.21 along the axial direction of the planer tool 3, the end portions of both ends of the planer tool 3 are perpendicular to the inner wall surface of the opening frame 3.21, the outer shape of the opening frame 3.21 is U-shaped, and the rotation axis of the planer tool 3 is perpendicular to the U-shaped center line of the U-shaped frame.

As a preferable technical solution of this embodiment, the power assembly 3.22 includes a double-headed motor 3.221 fixed to the opening frame 3.21, a double-headed motor 3.221 fixed to the middle portion of the frame body of the opening frame 3.21, an output shaft of the double-headed motor 3.221 parallel to the axis of the planing tool 3, first gears 3.222 fixed to output shafts of the double-headed motor 3.221, the first gears 3.222 meshing with a second gear 3.223 fixed to the planing tool 3, so that the planing tool 3 is rotated by the meshing action of the first gears 3.222 and the second gear 3.223, and specifically, the second gear 3.223 fixed to the driving rod 3.32 of the planing tool 3.

As a preferable technical solution of this embodiment, the supporting assembly 3.23 includes an installation port 3.231 opened on the side surface of the opening frame 3.21, a supporting plate 3.232 is hinged inside the installation port 3.231, the top of the supporting plate 3.232 is hinged with the installation port 3.231 through a hinge seat piece, when the pin piece 3.234 is covered with the installation port 3.231, the state is a limit state of the supporting plate 3.232 under the limit action of the pin piece 3.234, a positioning blind port 3.233 rotatably connected with the end of the planing tool 3 is opened on the supporting plate 3.232, the supporting plate 3.232 is installed with the pin piece 3.234 connected with the opening frame 3.21, the pin piece 3.234 includes an L-shaped pin plate 3.235, a first ring frame 3.236 fixed with the opening frame 3.21 and a second ring frame 3.237 fixed on the supporting plate 3.232 are movably fitted and sleeved on the outer side of the L-shaped pin plate 3.235, a driving rod 3.32 fitted and fixed inside the positioning blind port 3.233 and the planing tool 3.32 are inserted and connected with a bearing of the driving rod 3.233, therefore, the rotation resistance of the driving rod 3.32 inside the positioning blind opening 3.233 is reduced, and in the actual use process, when the planing tool 3 needs to be replaced, the L-shaped latch plate 3.235 is separated from the first ring frame 3.236, so that the supporting plate 3.232 can deflect outwards, and the positioning blind opening 3.233 is separated from the driving rod 3.32.

As a preferred technical solution of this embodiment, the planer tool 3 includes a shaft cylinder 3.3, the outer side of the shaft cylinder 3.3 is fixed with a plurality of blade portions 3.1, so as to have a good planing effect, both ends of the shaft cylinder 3.3 are provided with blind sockets 3.31 having non-circular cross sections, preferably, the cross section of the blind socket 3.31 is an equilateral triangle, a driving rod 3.32 is inserted into the blind socket 3.31 in a matching manner, the cross section of the insertion end of the driving rod 3.32 is an equilateral triangle matching with the blind socket 3.31 of the equilateral triangle, when the driving rod 3.32 is driven by the second gear 3.223 to rotate, at this time, the driving rod 3.32 drives the shaft cylinder 3.3 to rotate through the blind socket 3.31, so that the blade portions 3.1 cut the steel structure edge along with the rotation of the shaft cylinder 3.3.

As the preferred technical scheme of this embodiment, the one end of the driving rod 3.32 far from the shaft cylinder 3.3 is a cylindrical end body, and the length value of the cylindrical end body is not less than one third of the total length value of the driving rod 3.32, so that the driving rod 3.32 can be conveniently inserted into the positioning blind opening 3.233, the driving rod 3.32 can be conveniently rotated, and when the cylinder 3.3 needs to be replaced, the driving rod 3.32 and the blind opening 3.31 can be separated.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a steel construction limit mouth planing device, includes mounting bracket (1), its characterized in that, install planer tool mechanism (2) on mounting bracket (1), planer tool mechanism (2) are including two at least planer tools (3), and are a plurality of planer tool (3) advance different degree of depth in order to realize the planing edge in proper order.

2. The steel structure edge planing device according to claim 1, wherein the mounting frame (1) is provided with a plurality of insertion ports (1.2) for mounting planing tool mechanisms (2), the planing tools (3) are correspondingly mounted in the insertion ports (1.2), and the planing tools (3) are distributed on the mounting frame (1) in a stepped manner.

3. A steel construction edge opening beveling apparatus according to claim 1, wherein the beveling tool (3) is connected to the mounting frame (1) by a bending plate (1.1), and the bending plate (1.1) is provided with supporting wheels (1.4) for rolling on two side walls of the steel construction edge.

4. A steel structure edge planing device according to claim 1, characterized in that the planing tool (3) is a cylindrical tool body, and the cutting edge part (3.1) of the planing tool (3) is provided with an arc-shaped notch.

5. The steel structure edge planing device according to claim 2, wherein the planing tool (3) is connected with the insertion port (1.2) through a connecting assembly (3.2), the connecting assembly (3.2) comprises an opening frame (3.21), the opening frame (3.21) is a U-shaped frame connected with the insertion port (1.2), and a power assembly (3.22) for driving the planing tool (3) to rotate is fixed on the opening frame (3.21).

6. A steel structure edge planing device according to claim 5, characterized in that the planing tool (3) is rotatably connected with the opening frame (3.21) through a bearing component (3.23), and the rotation axis of the planing tool (3) is perpendicular to the U-shaped central line of the U-shaped frame.

7. A steel structure edge-shaving apparatus according to claim 5, wherein the power assembly (3.22) comprises a double-headed motor (3.221) fixed with the opening frame (3.21), the output shaft of the double-headed motor (3.221) is fixed with a first gear (3.222), and the first gear (3.222) is meshed with a second gear (3.223) fixed with the planer tool (3).

8. The steel structure edge planing device according to claim 6, wherein the bearing assembly (3.23) comprises a mounting port (3.231) formed in the side face of the opening frame (3.21), a bearing plate (3.232) is hinged to the inside of the mounting port (3.231), a positioning blind port (3.233) rotatably connected with the end portion of the planing tool (3) is formed in the bearing plate (3.232), and a bolt piece (3.234) connected with the opening frame (3.21) is mounted on the bearing plate (3.232).

9. The steel structure edge planing device according to claim 4, wherein the planing tool (3) comprises a shaft cylinder (3.3), the outer side of the shaft cylinder (3.3) is fixed with the plurality of blade parts (3.1), blind sockets (3.31) with non-circular cross sections are formed in two ends of the shaft cylinder (3.3), and driving rods (3.32) are inserted into the blind sockets (3.31) in an adaptive mode.

10. A steel structure edge planer according to claim 9 wherein the end of the drive rod (3.32) remote from the shaft (3.3) is a cylindrical end body.