CN112404194A - Reaction frame of bent section steel and use method thereof - Google Patents
Reaction frame of bent section steel and use method thereof Download PDFInfo
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- CN112404194A CN112404194A CN202011168350.0A CN202011168350A CN112404194A CN 112404194 A CN112404194 A CN 112404194A CN 202011168350 A CN202011168350 A CN 202011168350A CN 112404194 A CN112404194 A CN 112404194A
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- section steel
- radian
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
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Abstract
The invention discloses a reaction frame of bent section steel and a using method thereof. The cross-shaped base is used for fixedly mounting the force application device, the limiting device and the radian adjuster; the limiting device is used for fixing and limiting a bent section steel workpiece to be processed and adjusting the height of the section steel; the force application device is used for applying force to the section steel to enable the deformation of the section steel to reach the required radian, and the force application device is provided with a safety lock to prevent the section steel from bouncing to hurt people; and the radian adjusting positioner is used for being matched with the force application device for use and is used for adjusting and controlling the bending radian of the section steel. The invention is convenient and fast, can be manufactured by utilizing waste steel plates and section steel on a construction site, is suitable for processing most types of section steel, and can adjust the radian of the section steel within a certain range according to the required radian. The radian of the profile steel can be accurately determined, and the profile steel can be timely adjusted according to the field situation.
Description
Technical Field
The invention relates to the technical field of bent section steel processing, in particular to a reaction frame of bent section steel and a using method thereof.
Background
Most arc structure all chooses steel for use among the construction, and the arc shaped steel of mill's processing often can have certain error in the installation, needs adjust according to on-the-spot actual conditions, but shaped steel rigidity is big, and on-the-spot adjustment is difficult, has great potential safety hazard, and can not confirm the radian of adjustment completely during the adjustment, causes the repeated operation, extravagant a large amount of manpower resources.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a reaction frame for bending a section steel and a method for using the same, which can bend a section steel to have a certain curvature or adjust the curvature of the section steel. The device is used for processing the section steel on the construction site, so that the transportation of the section steel returning to a factory can be reduced, the radian of the section steel can be accurately determined, and the section steel can be timely adjusted according to the site condition. Through jack processing, reduce the manual work, shorten construction period, reduce the use of bending machine, practice thrift mechanical labour cost.
In order to achieve the aim, the invention provides the following technical scheme that the reaction frame of the bent section steel comprises a cross-shaped base, a force application device, a limiting device and a radian adjusting positioner,
the cross-shaped base is used for fixedly mounting the force application device, the limiting device and the radian adjuster;
the limiting device is used for fixing and limiting the section steel to be bent and processed and adjusting the height of the section steel, and a safety lock is arranged on the limiting device to prevent the section steel from bouncing up to hurt people;
the force application device is used for applying force to the section steel to enable the section steel to deform to reach the required radian;
and the radian adjusting positioner is used for being matched with the force application device for use and is used for adjusting and controlling the bending radian of the section steel.
Furthermore, the cross-shaped base comprises a force transfer beam, a left wing carrying pole beam, a right wing carrying pole beam and an radian adjusting and positioning device base beam, wherein the force transfer beam, the left wing carrying pole beam, the right wing carrying pole beam and the radian adjusting and positioning device base beam are distributed in 90 degrees and are mutually perpendicular and fixedly connected, the force application devices are installed on the force transfer beam, the limiting devices are arranged in pairs and are respectively installed on the left wing carrying pole beam and the right wing carrying pole beam, and the radian adjusting and positioning device is installed on the radian adjusting and positioning device base beam.
Further, force applying device includes jack, jack support and force transfer device, jack support vertical fixation is in on the biography power roof beam, the jack is fixed on the jack support and install height on the jack support can be adjusted from top to bottom, the jack support includes jack base board and base stiffening plate, jack base board vertical fixation is in on the biography power roof beam, the stiffening plate is connected respectively jack base board with between the biography power roof beam, be equipped with a plurality of fixed pin bolt holes from last to bottom in the middle of the jack base board, the fixed pin pole pass the cotter limiting plate and with the bolt removal limiting plate welded connection, the fixed pin pole pass the fixed pin bolt hole will jack fixed connection in different height departments on the jack base board.
Further, the force transfer device comprises a jack connecting sleeve and a stress application plate, wherein the stress application plate is provided with a plurality of stress application plates which are adaptive to different profile steel shapes according to the type of the profile steel, and the stress application plates comprise a flat plate type steel plate stress application plate, a convex type stress application plate and a circular arc-shaped steel pipe stress application plate.
Furthermore, the limiting device comprises a carrying pole beam connecting groove at the bottom, a limiting plate and a limiting plate ribbed rib, wherein the limiting plate and the limiting plate ribbed rib are fixedly connected to the carrying pole beam connecting groove, the carrying pole beam connecting groove is respectively arranged on two sides of the left wing carrying pole beam and the right wing carrying pole beam, a fastening positioning pin wedge-shaped steel plate is respectively arranged on the outer side of the carrying pole beam connecting groove, and the positioning pin is used for installing the carrying pole beam connecting groove on the carrying pole beam through a positioning pin hole. And a wedge-shaped steel plate is driven into the positioning pin, so that the positioning pin tightly props against the left wing carrying pole beam and the right wing carrying pole beam web plate. From the top down is equipped with a plurality of regulation hole in proper order on the limiting plate, the regulation hole is rectangular groove shape, and shaped steel position regulating plate can alternate respectively in the regulation hole of difference, the shaped steel regulating plate is "protruding" font, and its horizontal installation is in the regulation hole, the outside is equipped with the buckle constant head tank on the shaped steel regulating plate, and the inboard is equipped with fastening regulating plate wedge steel sheet and wears the slot, shaped steel regulating plate horizontal interlude if back in the regulation hole, fastening regulating plate wedge steel sheet inserts perpendicularly it is right in the slot is worn to fastening regulating plate wedge steel sheet the shaped steel regulating plate is fixed. And a safety lock is arranged in the buckle plate positioning groove.
Further, the safety lock includes buckle and fastening bolt, the buckle is installed in the buckle constant head tank, buckle upper end both sides are connected through fastening bolt respectively the limiting plate, wait to process shaped steel and place the buckle with between the fastening bolt.
Further, the radian adjusting positioner comprises an adjuster support, the adjuster support is vertically and fixedly connected to a base beam of the radian adjusting positioner, a support stiffened plate is arranged behind the adjuster support, the radian positioning plate is fixedly connected with an adjusting screw, and the adjusting screw is in threaded connection with the adjuster support.
The invention also provides a use method of the reaction frame of the bent section steel, which is characterized by comprising the following steps of:
s1, processing and assembling a reaction frame according to a reaction frame drawing;
s2, adjusting a left limiting device and a right limiting device according to the length of the profile steel, and using a locating pin and a wedge-shaped steel plate for fastening the locating pin to firmly fix the limiting devices on the left/right wing carrying pole beams;
s3, adjusting an adjusting screw rod on the radian adjusting positioner according to the radian required to be bent, so that the radian determined by the radian positioning plate and the left and right limiting devices is the radian after the section steel is bent;
s4, a profile steel workpiece is placed on the profile steel position adjusting plate, and a pin rod is fixed by adjusting a jack according to the size of the profile steel workpiece, so that the jack, an installed force transmission device and the profile steel workpiece are coaxial; adjusting the position of the section steel position adjusting plate through an adjusting hole in the limiting plate to control the upper and lower positions of the section steel, and fastening the section steel position adjusting plate by using a fastening adjusting plate wedge-shaped steel plate; matching with a jack to make the jack; and a force transfer device mounted; a section steel workpiece; a radian positioning plate; adjusting the screw rod; the coaxial structure avoids the distortion caused by uneven stress when the section steel is bent;
s5, fixing the section steel workpiece by using a safety lock: the safety lock catch plate is connected with the section steel position adjusting plate by penetrating through the buckle plate positioning groove and rotating by 90 degrees, the fastening bolt rod penetrates through the adjusting hole and rotates by 90 degrees and is connected with the limiting plate, and the buckle plate and the fastening bolt rod are fixed by using the nut, so that the buckle plate is tightly locked with a section steel workpiece, and the processing safety is ensured;
s6, pressurizing the jack to enable the jack to apply uniform force to the profile steel workpiece through the force transmission device, stopping pressurizing when the profile steel workpiece reaches the position of the radian positioning plate, standing for a certain time, and loosening the jack to take out the profile steel after the plastic deformation of the profile steel workpiece is stable, so that the arc processing of the profile steel can be completed;
and S7, after primary processing is finished, checking whether the welding seam of the device is complete and whether the pin is displaced, and processing the section steel according to the steps S4 and S5 after safety and normal radian are confirmed.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. this device adopts jack afterburning to shaped steel, labour saving and time saving, and can replace the jack of different models according to the shaped steel specification, and uses the jack adapter sleeve, can change the gusset according to different shaped steel, makes the bending of this device adaptation all kinds of shaped steel. The stress plate is manufactured according to different types of section steel, so that the section steel can be uniformly stressed, and the section steel is prevented from local bending deformation.
2. The jack can be adjusted according to the size of the profile steel through the jack fixing pin bolt and the bolt hole on the base plate, so that the stress position of the profile steel is always in the axis position and is not twisted.
3. The device adopts a movable limiter, and the left and right limiters can independently slide and move on the shoulder pole beam. The limiter is tightly connected with the shoulder pole beam through the positioning pin, the distance can be adjusted according to the length of the section steel, and the limiting device is suitable for bending the section steel with different lengths.
4. The limiting device of the device is provided with a profile steel adjusting device, and the profile steel is adjusted by matching an adjusting plate and an adjusting hole with a jack, so that the stress position of the profile steel is in the axis position and is not twisted; the adjusting device is provided with the baffle, so that the danger caused by the fracture of the section steel can be avoided.
5. The radian positioner is adjusted by the adjusting screw rod, the radian can be accurately adjusted within a certain range, and the radian is consistent with the radian required by a construction site.
6. This device sets up the safety lock, can fix the shaped steel of different models through bolt and buckle, guarantees processing safety.
7. And stiffening ribs are added behind the bottom plates to ensure that all parts do not deform when force is applied, and the radian of the bent profile steel workpiece and the safety in the operation process are ensured.
8. Except the cross-shaped base, other parts of the device can be detached and replaced, and can be adjusted according to different types of jacks and section steel, so that the device is wider in applicability.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a left side view of the overall structure of the present invention;
FIG. 4 is a front view of the force applying apparatus of the present invention;
FIG. 5 is a top view of the force applying device of the present invention;
FIG. 6 is a left side view of the force transfer device of the present invention;
FIG. 7 is a front view of the spacing device of the present invention;
FIG. 8 is a top view of the spacing device of the present invention;
FIG. 9 is a left side view of the stop device of the present invention;
FIG. 10 is a top view of the adjustment plate of the present invention;
in the figure, 1-a cross-shaped base, 1.1-a force transfer beam, 1.2-a left wing carrying pole beam, 1.3-a right wing carrying pole beam and 1.4-a radian adjusting positioner base beam; 2-force application device, 2.1-jack, 2.2-jack support, 2.2.1-jack base plate, 2.2.2-fixed pin hole, 2.2.3-base stiffening plate, 2.2.4-pin limiting plate, 2.2.5-fixed pin rod, 2.3-force transmission device, 2.3.1-jack connecting sleeve and 2.3.2-stiffening plate; 3-limiting device, 3.1-limiting device, 3.1.1-spreader beam connecting groove, 3.1.2-positioning pin, 3.1.3-fastening positioning pin wedge-shaped steel plate, 3.1.4-limiting plate reinforced rib, 3.1.5-limiting plate, 3.1.6-positioning pin hole, 3.1.7-adjusting hole, 3.2-section steel position adjusting device, 3.2.1-section steel position adjusting plate, 3.2.2-fastening adjusting plate wedge-shaped steel plate, 3.2.3-buckle plate positioning groove, 3.3-safety lock, 3.3.1-buckle plate, 3.3.2-fastening bolt; 4-radian adjusting positioner, 4.1-radian positioning plate, 4.2-adjusting screw, 4.3-adjuster support and 4.4-support stiffened plate; 5-bending the section steel workpiece to be processed.
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.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1-10, the embodiment of the application provides a reaction frame of a bent section steel, which comprises a cross-shaped base 1, a force application device 2, a limiting device 3 and a radian adjusting positioner 4,
the cross-shaped base 1 is used for fixedly mounting the force application device 2, the limiting device 3 and the radian adjuster;
the limiting device 3 is used for fixing and limiting the bent section steel to be processed and adjusting the height of the section steel;
the force application device 2 is used for applying force to the section steel to enable the deformation of the section steel to reach the required radian, and a safety lock 3.3 is arranged on the force application device 2 to prevent the section steel from bouncing up to hurt people;
and the radian adjusting positioner 4 is used for being matched with the force application device 2 for use and is used for adjusting and controlling the bending radian of the section steel.
In the above embodiment, the cross-shaped base 1 includes a force transfer beam 1.1, a left-wing carrying pole beam 1.2, a right-wing carrying pole beam 1.3 and an arc adjustment locator base beam 1.4, the force transfer beam 1.1, the left-wing carrying pole beam 1.2, the right-wing carrying pole beam 1.3 and the arc adjustment locator base beam 1.4 are distributed at 90 degrees and are mutually perpendicular and fixedly connected, the force application device 2 is installed on the force transfer beam 1.1, the limiting devices 3 are arranged in pairs and are respectively installed on the left-wing carrying pole beam 1.2 and the right-wing carrying pole beam 1.3, and the arc adjustment limiting device 3.1 is installed on the arc adjustment locator base beam 1.4. When assembling the cross-shaped base 1, referring to the attached figures 1-10, the force transfer beam 1.1, the left wing carrying pole beam 1.2, the right wing carrying pole beam 1.3 and the radian adjusting positioner base beam 1.4 are welded firmly to form the cross-shaped base frame.
In a further preferred embodiment, the force application device 2 comprises a jack 2.1, a jack support 2.2 and a force transmission device 2.3, the jack support 2.2 is vertically fixed on the force transfer beam 1.1, the jack 2.1 is fixed on the jack support 2.2, the height of the jack support 2.2 can be adjusted up and down, the jack support 2.2 comprises a jack base plate 2.2.1 and a base stiffening plate 2.2.3, the jack base plate 2.2.1 is vertically and fixedly connected to the force transfer beam 1.1, the stiffening plates are respectively connected between the jack base plate 2.2.1 and the force transfer beam 1.1, a plurality of fixed pin bolt holes 2.2.2 are formed in the middle of the jack base plate 2.2.1 from top to bottom, the jack 2.1 is connected with the pin bolt limiting plate, and the fixed pin rods 2.2.5 respectively penetrate through the pin bolt limiting plate 2.2.4 and the fixed pin bolt holes 2.2.2 to fixedly connect the jack 2.1 to the jack base plate 2.2.1 at different heights. In the above embodiment, the jack base plate 2.2.1 and the base stiffener plate 2.2.3 are connected to the force transfer beam 1.1 to form a triangular support structure, the jack base is provided with a plurality of fixed pin holes 2.2.2, the mounting height of the jack 2.1 can be changed by respectively mounting the jack 2.1 in different fixed pin holes 2.2.2 on the jack base, and the fixed pin rods 2.2.5 sequentially penetrate through the jack base and the fixed pin holes 2.2.2 for fastening. The force transfer device 2.3 comprises a jack connecting sleeve 2.3.1 and a stress application plate 2.3.2, wherein the stress application plate 2.3.2 is provided with a plurality of stress application plates 2.3.2 which are adaptive to different profile steel shapes according to the type of the profile steel, and the stress application plates comprise a flat plate type steel plate stress application plate, a convex type stress application plate and a circular arc-shaped steel pipe stress application plate. The shape of the stress application plate 2.3.2 is matched with the shape of the groove of the bent section steel workpiece 5 to be processed, so that the stress application plate 2.3.2 can be installed in the groove of the bent section steel workpiece 5 to be processed.
In a further preferred embodiment, the limiting device 3 comprises a carrying pole beam connecting groove 3.1.1 at the bottom, a limiting plate 3.1.5 fixedly connected to the carrying pole beam connecting groove 3.1.1 and a limiting plate ribbed rib 3.1.4, the carrying pole beam connecting groove 3.1.1 is respectively installed at two sides of the left-wing carrying pole beam 1.2 and the right-wing carrying pole beam 1.3, a fastening positioning pin wedge-shaped steel plate 3.1.3 is respectively arranged at the outer side of the carrying pole beam connecting groove 3.1.1, and the positioning pin 3.1.2 is used for installing the carrying pole beam connecting groove 3.1.1 on the left-wing carrying pole beam 1.2 and the right-wing carrying pole beam 1.3 through a positioning pin hole 3.1.6. Wedge steel sheet 3.1.3 is squeezed into on locating pin 3.1.2, makes the locating pin top is tight left wing carrying pole roof beam 1.2, right wing carrying pole roof beam 1.3 web, from the top down is equipped with a plurality of regulation hole 3.1.7 in proper order on the limiting plate 3.1.5, regulation hole 3.1.7 is long flute profile, and shaped steel position regulating plate 3.2.1 can alternate respectively in different regulation holes 3.1.7, the shaped steel regulating plate is "protruding" font, its horizontal installation in regulation hole 3.1.7, the outside is equipped with buckle constant head tank 3.2.3 on the shaped steel regulating plate, and the inboard is equipped with fastening regulating plate wedge steel sheet 3.2.2 and passes the slot, the shaped steel regulating plate horizontal interlude if back in the regulation hole 3.1.7, fastening regulating plate wedge steel sheet 3.2.2 inserts perpendicularly the fastening regulating plate wedge steel sheet 3.2.2 is worn the slot is right in the shaped steel slot fixes. And a safety lock 3.3 is arranged in the pinch plate positioning groove 3.2.3. In the above embodiment, the carrying pole beam connecting groove 3.1.1 respectively accommodates the left wing carrying pole beam 1.2 and the right wing carrying pole beam 1.3 in the grooves thereof, the positioning pins 3.1.2 on both sides are inserted into the wedge-shaped steel plate 3.1.3 of the fastening positioning pin and the positioning pin holes 3.1.6 for fixed connection, meanwhile, the front end of the adjusting plate of the profile steel position adjusting device 3.2 is protruded into the adjusting hole 3.1.7, the wedge-shaped steel plate 3.2.2 of the vertical fastening adjusting plate is inserted into the wedge-shaped steel plate 3.2.2 groove of the fastening adjusting plate to fix the adjusting plate on the limiting plate 3.1.5, the bending profile steel workpiece 5 to be processed is placed on the adjusting plate, the installation height of the profile steel is adjusted by adjusting the height of the adjusting plate, the buckle plate 3.3.1 is arranged on the outer side of the adjusting plate, the upper end of the buckle plate 3.3.1 is connected with the fastening bolt 3.2, the bottom of the buckle plate.
In a further preferred embodiment, the radian adjusting positioner comprises an adjuster support 4.3, the adjuster support 4.3 is vertically and fixedly connected to the radian adjusting positioner base beam 1.4, a support stiffened plate 4.4 is arranged at the back of the adjuster support, the radian positioning plate 4.1 is fixedly connected with an adjusting screw 4.2, and the adjusting screw 4.2 is in threaded connection with the adjuster support 4.3. In the above embodiment, the adjusting screw 4.2 of the curvature adjusting positioner is adjusted according to the curvature of the required curve, so that the curvature determined by the curvature positioning plate 4.1 and the left and right limiting devices 3 is the curvature of the section steel after bending (because the steel is elastically deformed after being processed, when the adjusting screw 4.2 is adjusted, the curvature positioning plate 4.1 can be moved backwards properly, and the curvature determined by the reaction frame is expanded, so as to offset the curvature generated by the elastic deformation of the section steel.
The specific using process of the invention is as follows:
s1, processing and assembling a reaction frame according to a reaction frame drawing;
s2, adjusting the left and right limiting devices 3 according to the length of the section steel, and using positioning pins 3.1.2 and fastening wedge-shaped steel plates 3.1.3 of the positioning pins to firmly fix the limiting devices 3 on the left/right wing carrying pole beams;
s3, adjusting an adjusting screw rod 4.2 on the radian adjusting positioner according to the radian required to be bent, so that the radian determined by the radian positioning plate 4.1 and the left and right limiting devices is the radian after the section steel is bent;
s4, placing a bent section steel workpiece 5 to be processed on the section steel position adjusting plate 3.2.1, and fixing a pin rod 2.2.5 through adjusting a jack according to the size of the bent section steel workpiece 5 to be processed to enable the jack, an installed force transmission device 2.3 and the bent section steel workpiece 5 to be processed to be coaxial; adjusting the position of a section steel position adjusting plate 3.2.1 through adjusting holes 3.1.7 on a limiting plate 3.1.5 to control the upper and lower positions of the section steel, and fastening the section steel position adjusting plate 3.2.1 by using a fastening adjusting plate wedge-shaped steel plate 3.2.2; the jack is matched with a jack, so that the jack and the installed force transmission device 2.3, the to-be-processed bent section steel workpiece 5, the radian positioning plate 4.1 and the adjusting screw rod 4.2 are coaxial, and the deformation caused by uneven stress during the bending of the section steel is avoided;
s5, fixing the bent section steel workpiece 5 to be processed by using a safety lock 3.3: a buckle plate 3.3.1 of the safety lock 3.3 is connected with a section steel position adjusting plate 3.2.1 by penetrating through a buckle plate positioning groove 3.2.3 and rotating by 90 degrees, a fastening bolt 3.3.2 rod penetrates through an adjusting hole 3.1.7 and rotates by 90 degrees and is connected with a limiting plate, and a buckle plate and the fastening bolt 3.3.2 rod are fixed by using a nut, so that the buckle plate is fastened on a bent section steel workpiece 5 to be processed, and the processing safety is ensured;
s6, pressurizing the jack, enabling the jack to apply uniform force to the to-be-processed bent section steel workpiece 5 through the force transmission device 2.3, stopping pressurizing when the to-be-processed bent section steel workpiece 5 reaches the position of the radian positioning plate 4.1, standing for a certain time, and loosening the jack to take out the section steel after the to-be-processed bent section steel workpiece 5 is stably plastically deformed, so that arc-shaped processing of the section steel can be completed;
and S7, after primary processing is finished, checking whether the welding seam of the device is complete and whether the pin is displaced, and processing the section steel according to the steps S4 and S5 after safety and normal radian are confirmed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (8)
1. The utility model provides a reaction frame of crooked shaped steel which characterized in that: comprises a cross-shaped base, a force application device, a limiting device and a radian adjusting positioner,
the cross-shaped base is used for fixedly mounting the force application device, the limiting device and the radian adjuster;
the limiting device is used for fixing and limiting a bent section steel workpiece to be processed and adjusting the height of the section steel;
the force application device is used for applying force to the section steel to enable the deformation of the section steel to reach the required radian, and the force application device is provided with a safety lock to prevent the section steel from bouncing to hurt people;
and the radian adjusting positioner is used for being matched with the force application device for use and is used for adjusting and controlling the bending radian of the section steel.
2. A reaction frame for bending section steel according to claim 1, wherein: the crossed base comprises a force transmission beam, a left wing carrying pole beam, a right wing carrying pole beam and a radian adjusting and positioning device base beam, wherein the force transmission beam, the left wing carrying pole beam, the right wing carrying pole beam and the radian adjusting and positioning device base beam are distributed in 90 degrees and are mutually perpendicular and fixedly connected, the force application device is installed on the force transmission beam, the limiting devices are arranged in pairs and are respectively installed on the left wing carrying pole beam and the right wing carrying pole beam, and the radian adjusting and positioning device is installed on the radian adjusting and positioning device base beam.
3. A reaction frame for bending section steel according to claim 1, wherein: force applying device includes jack, jack support and force transfer device, jack support vertical fixation is in on the biography power roof beam, the jack is fixed on the jack support and install height on the jack support can be adjusted from top to bottom, the jack support includes jack base board and base stiffening plate, jack base board vertical fixation is in on the biography power roof beam, the stiffening plate is connected respectively the top base board with between the biography power roof beam, be equipped with a plurality of fixed pin bolt holes from last to bottom in the middle of the jack base board, the fixed pin pole pass the cotter limiting plate and with the bolt removal limiting plate welded connection, the fixed pin pole pass the fixed pin bolt hole with jack fixed connection is in different height departments on the top base board.
4. A reaction frame for bending section steel according to claim 3, wherein: the force transmission device comprises a jack connecting sleeve and a stress application plate, wherein the stress application plate is provided with various stress application plates which are adaptive to different profile steel shapes according to the type of the profile steel, and the stress application plates comprise a flat plate type steel plate stress application plate, a convex type stress application plate and a circular arc-shaped steel pipe stress application plate.
5. A reaction frame for bending section steel according to claim 1, wherein: the limiting device comprises a carrying pole beam connecting groove at the bottom, a limiting plate and a limiting plate ribbed rib, wherein the limiting plate and the limiting plate ribbed rib are fixedly connected to the carrying pole beam connecting groove, the carrying pole beam connecting groove is respectively arranged at two sides of a left wing carrying pole beam and a right wing carrying pole beam, fastening positioning pin wedge-shaped steel plates are respectively arranged at the outer sides of the carrying pole beam connecting groove, positioning pins are used for mounting the carrying pole beam connecting groove on the carrying pole beam through positioning pin holes, the wedge-shaped steel plates are driven into the positioning pins, so that the positioning pins tightly support the left wing carrying pole beam and the right wing carrying pole beam, a plurality of adjusting holes are sequentially arranged on the limiting plate from top to bottom, the adjusting holes are in a long groove shape, profile steel position adjusting plates can be respectively inserted into different adjusting holes, the profile steel adjusting plates are in a convex shape and are horizontally arranged in the adjusting holes, buckle positioning grooves are arranged at the outer sides of the, the profile steel adjusting plate horizontally penetrates into the adjusting holes, the fastening adjusting plate wedge-shaped steel plate is vertically inserted into the fastening adjusting plate wedge-shaped steel plate penetrating slots to fix the profile steel adjusting plate, and the safety lock is installed in the buckle plate positioning groove.
6. A reaction frame for bending section steel according to claim 5, wherein: the safety lock includes buckle and fastening bolt, the buckle is installed in the buckle constant head tank, buckle upper end both sides are connected through fastening bolt respectively the limiting plate, wait to process shaped steel and place the buckle with between the fastening bolt.
7. A reaction frame for bending section steel according to claim 1, wherein: the radian adjusting positioner comprises an adjuster support, the adjuster support is vertically and fixedly connected to a base beam of the radian adjusting positioner, a support stiffened plate is arranged on the back of the adjuster support, a radian positioning plate 4.1 is fixedly connected with an adjusting screw, and the adjusting screw is in threaded connection with the adjuster support.
8. Use of a reaction frame for bending section steel according to any one of claims 1 to 7, comprising the steps of:
s1, processing and assembling a reaction frame according to a reaction frame drawing;
s2, adjusting a left limiting device and a right limiting device according to the length of the profile steel, and using a locating pin and a wedge-shaped steel plate for fastening the locating pin to firmly fix the limiting devices on the left/right wing carrying pole beams;
s3, adjusting an adjusting screw rod on the radian adjusting positioner according to the radian required to be bent, so that the radian determined by the radian positioning plate 4.1 and the left and right limiting devices is the radian after the section steel is bent;
s4, a profile steel workpiece is placed on the profile steel position adjusting plate, and a pin rod is fixed by adjusting a jack according to the size of the profile steel workpiece, so that the jack, an installed force transmission device and the profile steel workpiece are coaxial; adjusting the position of the section steel position adjusting plate through an adjusting hole in the limiting plate to control the upper and lower positions of the section steel, and fastening the section steel position adjusting plate by using a fastening adjusting plate wedge-shaped steel plate; matching with a jack to make the jack; and a force transfer device mounted; a section steel workpiece; a radian positioning plate 4.1; adjusting the screw rod; the coaxial structure avoids the distortion caused by uneven stress when the section steel is bent;
s5, fixing the section steel workpiece by using a safety lock: the safety lock catch plate is connected with the section steel position adjusting plate by penetrating through the buckle plate positioning groove and rotating by 90 degrees, the fastening bolt rod penetrates through the adjusting hole and rotates by 90 degrees and is connected with the limiting plate, and the buckle plate and the fastening bolt rod are fixed by using the nut, so that the buckle plate is tightly locked with a section steel workpiece, and the processing safety is ensured;
s6, pressurizing the jack to enable the jack to apply uniform force to the profile steel workpiece through the force transmission device, stopping pressurizing when the profile steel workpiece reaches the position of the radian positioning plate 4.1, standing for a certain time, and loosening the jack to take out the profile steel after the plastic deformation of the profile steel workpiece is stable, so that the arc machining of the profile steel can be completed;
and S7, after primary processing is finished, checking whether the welding seam of the device is complete and whether the pin is displaced, and processing the section steel according to the steps S4 and S5 after safety and normal radian are confirmed.
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| CN2613325Y (en) * | 2003-03-17 | 2004-04-28 | 莫绍远 | Convenient steel arch frame bending machine |
| CN201257465Y (en) * | 2008-07-16 | 2009-06-17 | 邹扬华 | Sectional steel cold-bending machine |
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