CN112845731B - Arch bending processing equipment and method for H-shaped steel - Google Patents

Arch bending processing equipment and method for H-shaped steel Download PDF

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Publication number
CN112845731B
CN112845731B CN202110383224.5A CN202110383224A CN112845731B CN 112845731 B CN112845731 B CN 112845731B CN 202110383224 A CN202110383224 A CN 202110383224A CN 112845731 B CN112845731 B CN 112845731B
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shaped steel
sliding
fastening
arching
arch
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CN112845731A (en
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陈辉
夏勐
吴保桥
吴湄庄
沈千成
黄琦
汪杰
邢军
何军委
彦井成
丁朝晖
彭林
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Maanshan Iron and Steel Co Ltd
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Maanshan Iron and Steel Co Ltd
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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
    • B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention discloses an arch bending processing device for H-shaped steel, which comprises two end sliding cars which are movably arranged, an end lifting device arranged on the end sliding cars, a clamping device arranged on the end lifting device, a fastening box rotatably arranged on the clamping device, a top sliding car which is movably arranged and an arch bending executing device which is arranged on the top sliding car and used for applying pressure for bending the H-shaped steel at the middle position of the H-shaped steel, wherein the fastening box is provided with a slot for inserting the H-shaped steel, and the top sliding car is arranged between the two end sliding cars. According to the arch bending processing equipment for the H-shaped steel, the problem of fastening the long H-shaped steel is solved through the hydraulic and sliding device; and the arched deformation of different requirements such as a web plate, a flange and the like is realized by replacing the arched tops of the H-shaped steel with different models. The invention also discloses an arch bending processing method of the H-shaped steel.

Description

Arch bending processing equipment and method for H-shaped steel
Technical Field
The invention belongs to the technical field of H-shaped steel processing, and particularly relates to arch-bending processing equipment and a processing method of H-shaped steel.
Background
At present, H-shaped steel is widely applied to building structures due to the characteristics of good bending resistance, simple section, low cost and the like. However, for some special structural designs, a bending design is often performed on a part of the structure or component to make the part of the structure or component have certain aesthetic properties and also have larger bending resistance. For the commonly used H-shaped steel, the straight strip property is mainly applied to a column-beam structure. For a structure needing bending, in particular to some high-rise buildings, the H-shaped steel which is long in fixed length and bent in flange or web is generally required to be used as an integral member, and the common straight H-shaped steel cannot be directly used in the bending structure, so that certain arching treatment needs to be carried out on the H-shaped steel, and arching deformation of the H-shaped steel is realized. The general arching method mainly bends the H-shaped steel along the plane of a web plate, but cannot bend bending-resistant parts, namely the H-shaped steel required by actual engineering, along the plane of a whole flange, and cannot solve the processing problems of long arching and large arching degree.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides equipment for processing the arch camber of the H-shaped steel, and aims to meet the requirement of the arch camber processing of the H-shaped steel.
In order to achieve the purpose, the invention adopts the technical scheme that: h shaped steel encircle curved processing equipment, including two tip sliding cart of portable setting, set up the tip elevating gear on the tip sliding cart, set up the clamping device on tip elevating gear, the rotatable fastening case that sets up on clamping device, the top sliding cart of portable setting and set up on the top sliding cart and be used for exerting the curved actuating device that encircles of pressure to H shaped steel in H shaped steel's middle part position department, the fastening case has lets H shaped steel male slot, the top sliding cart is located between two tip sliding cart.
The H-shaped steel arch bending processing equipment further comprises a roller fixing wall, the end sliding trolley is provided with an end sliding roller, the top sliding roller is arranged on the top sliding trolley, and the roller fixing wall is provided with a sliding groove for embedding the end sliding roller and the top sliding roller.
The H-shaped steel arch bending processing equipment further comprises a sliding track used for guiding the end sliding vehicle and the top sliding vehicle, and the length direction of the sliding track is parallel to the length direction of the sliding groove.
The arch-bending executing device comprises an arch-bending top used for contacting with the H-shaped steel and a top hydraulic device which is connected with the arch-bending top and used for controlling the arch-bending top to lift, and the top hydraulic device is arranged on the top sliding vehicle.
The clamping device comprises a clamping rod connecting column connected with the end part lifting device and two clamping rods connected with the clamping rod connecting column, the fastening box is installed on the two clamping rods through bearings, and the fastening box is located between the two clamping rods.
The invention also provides an arch-bending processing method of the H-shaped steel, which adopts the arch-bending processing equipment of the H-shaped steel and comprises the following steps:
s1, mounting H-shaped steel;
and S2, starting the arch bending execution device to carry out arch bending processing on the H-shaped steel.
The step S1 includes:
s101, ensuring that the end sliding roller and the top sliding roller are embedded into a sliding groove of a roller fixing wall;
s102, adjusting the distance between the arching executing device and the working wall;
s103, adjusting the distance between the two end sliding vehicles to enable the distance between the two end sliding vehicles to be larger than the length of the H-shaped steel;
and S104, penetrating two ends of the H-shaped steel into two fastening boxes.
According to the arch bending processing equipment for the H-shaped steel, the problem of fastening the long H-shaped steel is solved through the hydraulic and sliding device; and the arched deformation of different requirements such as a web plate, a flange and the like is realized by replacing the arched tops of the H-shaped steel with different types; the equipment has simple structure and strong applicability, and can be popularized and used in different processing plants and construction areas.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is an apparatus for arch-bending H-shaped steel according to the present invention;
FIG. 2 is a schematic view of the assembly of the clamping device with the fastening box;
FIG. 3 is an exploded view of the clamping device and the fastening box;
FIG. 4 is a schematic view of a plug device;
FIG. 5 is a view showing the fastening effect of the H-shaped steel;
FIG. 6 is a diagram showing the working effect of the H-shaped steel on the top;
FIGS. 7 to 9 are diagrams showing the effect of the H-shaped steel arching process;
labeled as: 1. the roller is fixed on the wall; 2. an end sliding roller; 3. end sliding vehicle; 4. an end lifting device; 5. an end hydraulic rod; 6. fastening the box; 7. a working wall; 8. h-shaped steel; 9. arching a crown; 10. a ram hydraulic rod; 11. a ram hydraulic device; 12. a sliding track; 13. a top head sliding vehicle; 14. the top head slides the roller; 15. a clamping rod connecting column; 16. a clamping bar; 17. a rotating connector; 18. a web; 19. a flange plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 9, the present invention provides an arch bending processing apparatus for H-section steel, which includes two end portion sliding cars 3 movably disposed, an end portion lifting device 4 disposed on the end portion sliding car 3, a clamping device disposed on the end portion lifting device 4, a fastening box 6 rotatably disposed on the clamping device, a top head sliding car 13 movably disposed, and an arch bending executing device disposed on the top head sliding car 13 and used for applying a pressure to the H-section steel at a middle position of the H-section steel to bend the H-section steel, wherein the fastening box 6 has a slot into which the H-section steel is inserted, and the top head sliding car 13 is disposed between the two end portion sliding cars 3.
Specifically, as shown in fig. 5 and 6, the H-beam includes a web and two flange plates, the web is located between the two flange plates, and the web is fixedly connected with the two flange plates. Fastening case 6 is inside hollow rectangle massive structure, and fastening case 6 has the slot that holds H shaped steel, and the slot is the inner chamber body and the slot of fastening case 6H-shaped groove, with the shape phase-match of H shaped steel. After the H-shaped steel is inserted into the slot of the fastening box 6, the H-shaped steel and the fastening box 6 cannot rotate relatively in the process of arching.
As shown in fig. 1, the H-beam arching equipment of the invention further includes a roller fixing wall 1, the end sliding vehicle 3 is provided with an end sliding roller 2, the top sliding vehicle 13 is provided with a top sliding roller 14, the roller fixing wall 1 is provided with a chute for embedding the end sliding roller 2 and the top sliding roller 14, and the roller fixing wall 1 is used for limiting the top sliding vehicle 13 and the end sliding vehicle 3 to move along the vertical direction. The length direction of the roller fixing wall 1 is parallel to a first direction, and the first direction is a horizontal direction. Tip gyro wheel 2 that slides is the cylinder, and tip car 3 that slides is vertical setting, and tip gyro wheel 2 that slides rotates with the lower extreme of tip car 3 to be connected, and the length direction and the first direction of spout are parallel. The top sliding roller 14 is a cylinder, the top sliding vehicle 13 is vertically arranged, and the top sliding roller 14 is rotatably connected with the lower end of the top sliding vehicle 13. The two end sliding vehicles 3 are arranged, the one top sliding vehicle 13 is arranged, the top sliding vehicle 13 is located between the two end sliding vehicles 3, and the end sliding vehicle 3 and the top sliding vehicle 13 are located on the same straight line parallel to the first direction. The end part lifting device 4 is vertically arranged, the end part lifting device 4 is a component which can stretch along the vertical direction, the lower end of the end part lifting device 4 is fixedly connected with the upper end of the end part sliding vehicle 3, the clamping device is fixedly connected with the upper end of the end part lifting device 4, the fastening box 6 is rotatably connected with the clamping device, the rotating central line of the fastening box 6 is parallel to the second direction, and the second direction is the horizontal direction and is vertical to the first direction. Each end part sliding vehicle 3 is respectively provided with an end part lifting device 4, each end part lifting device 4 is respectively provided with a clamping device, the number of the clamping devices and the number of the fastening boxes 6 are two, each fastening box 6 is respectively rotatably connected with one clamping device, and the two fastening boxes 6 are positioned on the same straight line parallel to the first direction.
As shown in fig. 1, the H-beam arching equipment of the present invention further includes a sliding rail 12 for guiding the end sliding vehicle 3 and the plug sliding vehicle 13, a length direction of the sliding rail 12 is parallel to a length direction of the sliding chute, and the arrangement of the sliding rail 12 ensures stable operation of the end sliding vehicle 3 and the plug sliding vehicle 13.
As shown in fig. 1 to 3, the clamping device includes a clamping bar connecting pole 15 connected to the end lifter 4 and two clamping bars 16 connected to the clamping bar connecting pole 15, the fastening box 6 is mounted on the two clamping bars 16 through bearings, and the fastening box 6 is located between the two clamping bars 16. By the extension and retraction of the end lifting device 4 in the vertical direction, a synchronous lifting of the clamping device, the swivel connection 17 and the fastening box 6 can be achieved. The clamping rod connecting column 15 is vertically arranged, the lower end of the clamping rod connecting column 15 is fixedly connected with the upper end of the end hydraulic rod 5 of the end lifting device 4, the lower ends of the two clamping rods 16 are fixedly connected with the upper end of the clamping rod connecting column 15, the two clamping rods 16 are positioned on the same straight line parallel to the second direction, and the fastening box 6 is positioned between the two clamping rods 16. The lower end of the clamping rod 16 is fixedly connected with the upper end of the clamping rod connecting column 15, the rotary connecting piece 17 is rotatably connected with the upper end of the clamping rod 16 through a bearing, and the rotating center line of the rotary connecting piece 17 is also the rotating center line of the fastening box 6. Fastening case 6 is detachable connection with swivel connected coupler 17, sets up two lugs on fastening case 6, two lugs and two relative outer wall fixed connection of fastening case 6, swivel connected coupler 17 has the draw-in groove that lets the lug embedding, and two lugs imbed respectively in the draw-in groove on two swivel connected coupler 17, realize fastening case 6 and swivel connected coupler 17 be connected, and fastening case 6 can synchronous revolution with swivel connected coupler 17. Fastening case 6 has the multiple model of size of a dimension difference, takes the lug back out from swivel connected coupler 17's draw-in groove, can realize fastening case 6 and swivel connected coupler 17's separation, then can change fastening case 6, can encircle the size of the H shaped steel of curved processing as required and carry out the selection of the fastening case 6 of corresponding model to through fastening case 6 and clamping device's swivelling joint, realize the H shaped steel after the fastening free rotation angle when encircleing the curve.
As shown in fig. 1 and 6, the arching actuator includes an arching head 9 for contacting with the H-shaped steel and a head hydraulic device 11 connected to the arching head 9 and controlling the arching head 9 to ascend and descend, and the head hydraulic device 11 is disposed on a head sliding vehicle 13. The ejection head hydraulic device 11 is vertically arranged, the ejection head hydraulic device 11 is a component which can stretch along the vertical direction, the lower end of the ejection head hydraulic device 11 is fixedly connected with the upper end of an ejection head sliding vehicle 13, and the arched ejection head 9 is connected with the upper end of an ejection head hydraulic rod 10 of the ejection head hydraulic device 11. Through the extension and retraction of the ejection head hydraulic device 11 in the vertical direction, the lifting of the arched ejection head 9 is realized, and further the arched processing of the H-shaped steel can be realized. The bows 9 are of two types, one type of the bows 9 being adapted to the flange plates of the bows H-section steel and the other type of the bows 9 being adapted to the web plates of the bows H-section steel. The upper ends of the arched top 9 and a top hydraulic rod 10 of a top hydraulic device 11 are detachably connected, so that the arched top 9 is convenient to replace. According to the part of the H-shaped steel needing to be arched, the corresponding type of arched top 9 and the fastening box 6 are selected, and the part of the H-shaped steel needing to be arched comprises a web plate and a flange plate.
Preferably, the ram hydraulic device 11 and the end lifting device 4 are both hydraulic cylinders, the end hydraulic rod 5 is a piston rod of the hydraulic cylinder, and the ram hydraulic rod 10 is also a piston rod of the hydraulic cylinder.
The invention also provides an arch bending processing method of the H-shaped steel, which adopts the arch bending processing equipment of the H-shaped steel with the structure and comprises the following steps:
s1, mounting H-shaped steel;
and S2, starting the arch bending execution device to carry out arch bending processing on the H-shaped steel.
The step S1 includes:
s101, ensuring that the end part sliding roller 2 and the top sliding roller 14 are embedded into a sliding groove of the roller fixing wall 1;
s102, adjusting the distance between the arching executing device and the working wall 7;
s103, adjusting the distance between the two end sliding vehicles 3 to enable the distance between the two end sliding vehicles 3 to be larger than the length of the H-shaped steel;
and S104, penetrating the two ends of the H-shaped steel into the two fastening boxes 6.
As shown in fig. 7, in the above step S101, the end sliding roller 2 connected to the end sliding vehicle 3 and the head sliding roller 14 connected to the head sliding vehicle 13 are ensured to contact with the roller fixing wall 1, the roller fixing wall 1 has a chute, and the end sliding roller 2 and the head sliding roller 14 are engaged with the chute, so as to allow the end sliding vehicle 3 and the head sliding vehicle 13 to perform a straight line, and at the same time, to restrict the part sliding vehicle and the head sliding vehicle 13 from moving up and down.
As shown in fig. 7, in step S102, the distance between the arching plug 9 and the working wall 7 is adjusted by the extension and contraction of the plug hydraulic device 11, so that a sufficient arching distance is left between the arching plug 9 and the working wall 7. The working wall 7 is horizontally arranged, the length direction of the working wall 7 is parallel to the first direction, the working wall 7 and the roller fixing wall 1 are positioned on the same straight line parallel to the second direction, and the arching executing device is positioned between the working wall 7 and the roller fixing wall 1.
As shown in fig. 7, in step S103, the arching head 9 and the fastening box 6 of the corresponding type are selected according to the portion of the H-section steel requiring arching, the fastening box 6 is mounted on the clamping device, the arching head 9 is mounted on the heading hydraulic device 11, and then the end portion trolley 3 is moved to adjust the distance between the two end portion trolleys 3 until the distance between the two end portion trolleys 3 is greater than the length of the H-section steel requiring arching.
As shown in fig. 8, in step S104, two ends of the H-beam to be arched are inserted into the slots of the two fastening boxes 6, so as to ensure that the two ends of the H-beam are still in the slots of the fastening boxes 6 after the H-beam is arched. The H-shaped steel is in a horizontal state, the length direction of the H-shaped steel is parallel to the first direction, the two fastening boxes 6 support the H-shaped steel, and the H-shaped steel is positioned above the arched top 9; then, the two end sliding vehicles 3 are started, so that the two end sliding vehicles 3 move towards the top sliding vehicle 13, and finally the two end sliding vehicles 3 are in a symmetrical state, and the top sliding vehicle 13 is located in the middle of the two end sliding vehicles 3.
As shown in fig. 9, in step S2, the arching actuator is activated to extend the ram hydraulic device 11 to push the arching ram 9 to move upward, and after the arching ram 9 contacts the H-shaped steel at an intermediate position in the longitudinal direction of the H-shaped steel, an upward pressure is applied to the H-shaped steel to bend and deform the H-shaped steel, thereby arching the H-shaped steel. In the bending process of the H-shaped steel, the fastening box 6 rotates at a certain angle, so that the normal operation of the arch bending processing is ensured.
As shown in fig. 6, in the step S2, when the web of the H-shaped steel is subjected to the arching process, the H-shaped steel is shaped "
Figure DEST_PATH_IMAGE001
The shape is put, two flange plates of the H-shaped steel are in a vertical state, the web plate of the H-shaped steel is in a horizontal state, the web plate of the H-shaped steel is located between the two flange plates, and the web plate is located above the arched top 9. After the arched top 9 is in contact with the web of the H-shaped steel at the middle position in the length direction of the H-shaped steel, upward pressure is applied to the web, so that the H-shaped steel is bent and deformed.
As shown in fig. 6, in step S2, when the web of the H-section steel is arched, the H-section steel is laid in the "i" shape, and at this time, the two flange plates of the H-section steel are horizontal, the web of the H-section steel is vertical, the web of the H-section steel is located between the two flange plates, and the flange plates are located above the arched top 9. After the arched top 9 is in contact with the flange plate located below the web at the middle position in the length direction of the H-beam, it applies upward pressure to the flange plate, so that the H-beam is bent and deformed.
The H-shaped steel arching method can solve the processing problems of long arching and large arching degree, and simultaneously selects a proper arching top 9 to carry out arching processing according to different arching requirements on the web plate and the flange.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims (7)

  1. The H-shaped steel arching processing equipment is characterized by comprising two end sliding vehicles which are movably arranged, an end lifting device arranged on the end sliding vehicles, a clamping device arranged on the end lifting device, a fastening box rotatably arranged on the clamping device, a top sliding vehicle which is movably arranged and an arching executing device which is arranged on the top sliding vehicle and used for applying pressure for bending the H-shaped steel at the middle position of the H-shaped steel, wherein the fastening box is provided with a slot for inserting the H-shaped steel, and the top sliding vehicle is arranged between the two end sliding vehicles;
    the fastening box is of a rectangular block structure with a hollow interior, the fastening box is provided with a slot for accommodating the H-shaped steel, the slot is an inner cavity of the fastening box and is an H-shaped slot, and the shape of the slot is matched with that of the H-shaped steel;
    fastening case and rotating connectors are detachable connection, set up two lugs on the fastening case, two lugs and two relative outer wall fixed connection of fastening case, and rotating connectors has the draw-in groove that lets the lug embedding, and two lugs imbed respectively in the draw-in groove on two rotating connectors, realize being connected of fastening case and rotating connectors, and fastening case and rotating connectors can synchronous revolution.
  2. 2. An arch bending processing device for H-shaped steel according to claim 1, further comprising a roller fixing wall, wherein the end sliding vehicle is provided with an end sliding roller, the top sliding vehicle is provided with a top sliding roller, and the roller fixing wall is provided with a chute for embedding the end sliding roller and the top sliding roller.
  3. 3. An arch bending processing apparatus for H-beam according to claim 2, further comprising a slide rail for guiding the end slide vehicle and the ram slide vehicle, a length direction of the slide rail being parallel to a length direction of the chute.
  4. 4. The H-beam arching apparatus according to claim 1, wherein the arching actuator comprises an arching ram for contacting the H-beam and a ram hydraulic device connected to the arching ram and controlling the arching ram to move up and down, the ram hydraulic device being disposed on the ram carriage.
  5. 5. An arching apparatus according to any one of claims 1 to 4, wherein the clamping means comprises a clamping bar connecting post connected to the end lifter and two clamping bars connected to the clamping bar connecting post, the fastening box being mounted on the two clamping bars by bearings, the fastening box being located between the two clamping bars.
  6. A method of arch-bending H-section steel, characterized by using the apparatus for arch-bending H-section steel of any one of claims 1 to 5, and comprising the steps of:
    s1, mounting H-shaped steel;
    and S2, starting the arch bending execution device to carry out arch bending processing on the H-shaped steel.
  7. 7. The method of arch bending of H-beam according to claim 6, wherein the step S1 includes:
    s101, ensuring that the end sliding roller and the top sliding roller are embedded into a sliding groove of a roller fixing wall;
    s102, adjusting the distance between the arching executing device and the working wall;
    s103, adjusting the distance between the two end sliding vehicles to enable the distance between the two end sliding vehicles to be larger than the length of the H-shaped steel;
    and S104, penetrating two ends of the H-shaped steel into two fastening boxes.
CN202110383224.5A 2021-04-09 2021-04-09 Arch bending processing equipment and method for H-shaped steel Active CN112845731B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB300775A (en) * 1927-11-03 1928-11-22 Graham Donald Improvements relating to bar-bending machines
ES453558A1 (en) * 1975-11-24 1977-11-16 Arbel Industrie Profile curved device. (Machine-translation by Google Translate, not legally binding)
JP2011056513A (en) * 2009-09-07 2011-03-24 Nippon Light Metal Co Ltd Method of manufacturing bent member and bending apparatus
CN202114149U (en) * 2011-05-31 2012-01-18 二重集团（德阳）重型装备股份有限公司 Combined open type bending die
CN108607910A (en) * 2018-06-26 2018-10-02 郑州匹客科技有限公司 A kind of anti-fold stainless steel elbow machine
CN212494664U (en) * 2020-04-24 2021-02-09 苏州润杰精密机械有限公司 Stamping part bending die

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB300775A (en) * 1927-11-03 1928-11-22 Graham Donald Improvements relating to bar-bending machines
ES453558A1 (en) * 1975-11-24 1977-11-16 Arbel Industrie Profile curved device. (Machine-translation by Google Translate, not legally binding)
JP2011056513A (en) * 2009-09-07 2011-03-24 Nippon Light Metal Co Ltd Method of manufacturing bent member and bending apparatus
CN202114149U (en) * 2011-05-31 2012-01-18 二重集团（德阳）重型装备股份有限公司 Combined open type bending die
CN108607910A (en) * 2018-06-26 2018-10-02 郑州匹客科技有限公司 A kind of anti-fold stainless steel elbow machine
CN212494664U (en) * 2020-04-24 2021-02-09 苏州润杰精密机械有限公司 Stamping part bending die

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