CN113385873B - Steel construction gallows welding process auxiliary assembly - Google Patents
Steel construction gallows welding process auxiliary assembly Download PDFInfo
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- CN113385873B CN113385873B CN202110568185.6A CN202110568185A CN113385873B CN 113385873 B CN113385873 B CN 113385873B CN 202110568185 A CN202110568185 A CN 202110568185A CN 113385873 B CN113385873 B CN 113385873B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 218
- 239000010959 steel Substances 0.000 title claims abstract description 218
- 238000003466 welding Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims description 12
- 230000008569 process Effects 0.000 title claims description 12
- 238000010276 construction Methods 0.000 title claims description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims 4
- 238000012545 processing Methods 0.000 abstract description 14
- 230000001629 suppression Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a welding processing auxiliary device for a steel structure hanger, which comprises a workbench, a main connecting mechanism and an auxiliary connecting mechanism, wherein the main connecting mechanism is arranged at the upper end of the workbench, and the auxiliary connecting mechanism is arranged at the upper end of the main connecting mechanism.
Description
Technical Field
The invention relates to the field of steel member processing, in particular to auxiliary welding processing equipment for a steel structure hanging bracket.
Background
The steel structure is a structure formed by steel materials, is one of main building structure types, and mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and adopts rust removal and prevention processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like, all the members or parts are usually connected by welding lines, bolts or rivets, and the steel structure is easy to rust because of light dead weight and simple and convenient construction, is widely applied to the fields of large-scale factory buildings, venues, super-high buildings and the like, and is generally required to remove rust, plate zinc or paint and is required to be maintained regularly.
The steel structure gallows is a passive support, and tensile strength, compressive strength are higher, have good toughness performance simultaneously, the holding power is higher, strut the structure that intensity is big, can repetitious usage, and it has yieldability and reliable and stable bearing capacity, and construction convenience, maintenance volume are little, nevertheless can appear following problem in steel structure gallows welding process:
1. the variability of each structure of the processing equipment is low, so that the whole size of the steel structure hanger which can be formed by the processing equipment is single, and the whole stability of the built hanger frame is low;
2. the butt joint between the frame and the support steel is prone to deviation, the support steel is prone to presenting an unbalanced state when placed, so that the quality of a welding point is poor, and meanwhile the variability of the installation form of the support steel is low, so that the overall stress uniformity of the hanger is low.
Disclosure of Invention
The technical purpose is as follows: aiming at the defects of low variability, single size, poor stability, difficult welding and low stress uniformity of the conventional steel structure hanger processing equipment, the invention discloses steel structure hanger welding processing auxiliary equipment which can be used for multi-directionally assisting and fixing a hanger and improving the welding speed, the forming quality and the supporting stress uniformity of the hanger.
The technical scheme is as follows: in order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a steel construction gallows welding process auxiliary assembly, includes that workstation, owner link the mechanism and assist even mechanism, the upper end of workstation be provided with owner and link the mechanism, the main upper end of linking the mechanism is provided with and assists even mechanism.
The main connecting mechanism comprises a first electric slide block, a support frame, a T-shaped plate, a bottom support block, a fixed plate, a second electric slide block, a clamping plate, a first electric push rod, a support plate, a third electric slide block and a clamping plate, wherein the first electric slide block is arranged at the upper left end of a workbench in a sliding fit mode, the support frames are symmetrically arranged front and back at the upper right end of the workbench, the T-shaped plate is connected between the upper end of the first electric slide block and the upper end of the support frame and parallel to the workbench, the vertical section of the T-shaped plate faces the middle part of the workbench, the bottom support block is symmetrically arranged front and back at the upper end face of the vertical section of the T-shaped plate, the fixed plate is arranged at the upper end face of the outer side end in the front and back direction of the bottom support block, the second electric slide block is connected with the upper end of the bottom support block in a sliding fit mode, the clamping plate is arranged at the upper end of the second electric slide block, the clamping plate is right opposite to the fixed plate, the upper end face of the T-shaped plate between the front and back right opposite bottom support blocks is provided with the first electric push rod, the supporting plate is installed at the upper end of the first electric push rod, the three electric sliding blocks are symmetrically installed at the front and the back of the upper end of the supporting plate in a sliding fit mode, the three electric sliding blocks are arranged in a left-right staggered mode, the clamping plate is installed at the upper end of the three electric sliding blocks, the clamping plate inclines towards the center of the supporting plate, two round steel bars are respectively arranged between the upper ends of the left bottom supporting block and the right bottom supporting block which are opposite in a manual mode, then the T-shaped plate connected with the clamping plate is driven to move leftwards through the first electric sliding block, so that the bottom supporting blocks are all positioned at the side ends of the round steel bars, then the clamping plate is driven to move towards the round steel bars through the second electric sliding block until the clamping plate is matched with the fixed plate to clamp the round steel bars, next, the single round steel bar is arranged between the supporting plates in a manual mode, then the clamping plate is driven to move towards each other through the third electric sliding block until the clamping round steel bars are clamped, then the supporting plate is driven to move upwards or downwards through the first electric push rod, the clamping plate carries the round steel to move synchronously, until the round steel that the grip block smugglied secretly is located the corresponding position, the whole frame of gallows forms this moment.
The auxiliary connecting mechanism comprises a bottom plate, a fourth electric sliding block, a second electric push rod, a flat plate, a rotating plate, a first arc electric sliding block, a fifth electric sliding block and a vertical plate, wherein the bottom plate is arranged on the right end surface of the first electric sliding block, the bottom plate is arranged between supporting frames, the bottom plate is arranged below a T-shaped plate, the upper end surface of the bottom plate is provided with the fourth electric sliding block in a sliding fit mode, the fourth electric sliding block is arranged between the T-shaped plates, the upper end of the fourth electric sliding block is provided with the second electric push rod, the upper end of the second electric push rod is provided with the flat plate, the middle part of the upper end of the flat plate is rotatably provided with the rotating plate through a first pin shaft, the lower end of the rotating plate is bilaterally symmetrically provided with the first arc electric sliding block, the lower end of the first arc electric sliding block is connected with the upper end of the flat plate in a sliding fit mode, the upper end of the rotating plate is symmetrically provided with the fifth electric sliding block in a front-back fit mode, and the vertical plate is arranged at the upper end of the fifth electric sliding block, after the integral frame of the hanger is formed, the support steel is manually placed between the vertical plates, then the vertical plates are driven to move oppositely through the five electric sliding blocks until the support steel is clamped, then the rotating plates are driven to rotate through the first arc electric sliding blocks, the vertical plates carry the support steel to rotate synchronously until corresponding angles are formed between the support steel and round steel at the bottom of the frame, then the flat plates are pushed upwards through the second electric push rods, the flat plates drive the rotating plates to move synchronously, the vertical plates carry the support steel to move synchronously until the support steel is positioned between the round steel at the bottom of the frame, then the support steel and the round steel at the bottom of the frame can be welded through a welding tool, after the welding of single support steel is finished, the vertical plates are loosened from the support steel and return to a downward original position, then the fourth electric sliding blocks drive the second electric push rods to move leftwards to corresponding positions, and the flat plates and the rotating plates synchronously move along with the support steel, and (4) welding the rest support frames among the round steel at the bottom of the frame, and repeating the operation.
As a preferred technical scheme of the invention, the front side and the rear side of the bottom plate are symmetrically provided with side connection groups, the side connection groups comprise L-shaped frames, a circle-shaped plate, a connection electric slider, a connection plate, a round rod, a connection shaft, a second arc electric slider, a storage plate, a sixth electric slider and a vertical plate, the L-shaped frames are symmetrically arranged at the side end of the workbench from left to right, the circle-shaped plate is connected between the upper ends of the left and right opposite L-shaped frames, the middle part of the circle-shaped plate is provided with the connection electric slider in a sliding fit manner, the connection plate is arranged at the right inner side of the connection electric slider, the round rod is connected between the lower end of the connection plate and the middle part of the connection electric slider in a threaded fit manner, the upper end of the connection plate is rotatably connected with the middle part of the connection shaft, one end of the connection shaft is provided with the second arc electric slider, the second arc electric slider is connected with the outer side end of the connection plate in a sliding fit manner, the other end of the connecting shaft is provided with an object placing plate, the inner side end of the object placing plate is bilaterally and symmetrically provided with six electric sliding blocks in a sliding fit mode, the inner side end of the six electric sliding block is provided with a vertical plate, the vertical plate is positioned above the clamping plate and positioned outside the supporting plate, after the round steel at the bottom of the frame is connected through the supporting frame, single supporting steel is arranged between the vertical plates in a manual mode, the vertical plates are driven to move oppositely through the six electric sliding blocks to clamp the supporting steel, then the connecting shaft is driven to rotate through the second arc electric sliding block, the connecting shaft drives the object placing plate to rotate synchronously, the supporting frame is entrained by the vertical plates to rotate synchronously until the supporting steel rotates to a corresponding angle, then the connecting plate is driven to move inwards through the manual mode to rotate the round rod, the supporting steel is entrained by the vertical plates to move synchronously until the supporting steel is positioned between the round steel at the bottom of the frame and the round steel at the top of the frame, welding between supporting steel and frame bottom round steel, frame top round steel through welding tool next, single supporting steel welding accomplishes the back, and vertical board returns to original position, then drives the connecting plate through connecting electronic slider and moves left to relevant position department, puts thing board and vertical board synchronous motion thereupon, and later repetition above-mentioned operation carries out the welding between frame bottom round steel and frame top round steel and the surplus supporting steel, and all supporting steel welding accomplish the back, and the steel construction gallows accomplishes whole processing.
As a preferred technical scheme of the invention, the lower end of the bottom bracing block is provided with a sliding shaft, the sliding shaft is connected with the upper end of a T-shaped plate in a sliding fit mode, the outer side end of the left direction and the right direction of the bottom bracing block is provided with an ear plate pair, the middle part of the ear plate pair is provided with a second pin shaft, the middle part of the second pin shaft is rotatably connected with one end of a connecting plate, the other end of the connecting plate is rotatably connected with the other end of the connecting plate through a third pin shaft, the lower end of the third pin shaft is provided with a square electric sliding block, the square electric sliding block is connected with the upper end of the T-shaped plate in a sliding fit mode, the connecting plate is synchronously opened or closed by synchronous opposite movement or opposite movement of the square electric sliding block, during the period, the bottom bracing block synchronously moves oppositely or moves oppositely along the T-shaped plate under the driving of the connecting plate, namely, the space between the adjacent bottom bracing blocks is adjusted, and the adjustment of the position of the bracing plate is matched on the basis, so as to realize the adjustment of the integral size of the whole hanger frame, thereby greatly improving the molding diversity of the equipment.
As a preferred technical scheme of the invention, an L-shaped electric slider is arranged right above the ear plate pair, the horizontal section of the L-shaped electric slider is connected with the side end of the bottom supporting block in a sliding fit mode, a track plate is arranged at the upper end of the vertical section of the L-shaped electric slider, a first through groove is formed in the middle of the track plate, a clamping electric slider is arranged in the first through groove in a sliding fit mode, a conical block is arranged at one end, away from the first through groove, of the clamping electric slider, the conical block is positioned above the bottom supporting block, after the bottom round steel is clamped, the track plate is driven by the L-shaped electric slider to move towards the side end of the round steel, the conical block synchronously moves along with the first through groove until the conical block approaches the side end face of the round steel, then the position of the conical block is adjusted by the clamping electric slider so that the conical block faces the middle of the round steel, and then the track plate is driven by the L-shaped electric slider to move towards the side end of the round steel, until the circular cone piece chucking in the inside of round steel side, the cooperation can play the spacing effect of side to the bottom round steel of gallows frame between circular cone piece, the electronic slider of joint, track board and the electronic slider of L type to avoid bottom round steel to appear the phenomenon of sharp skew in welding process, and then be favorable to improving the quality of linking of welding between round steel and the supporting steel.
As a preferred technical scheme of the invention, a first ear plate is symmetrically arranged between the fixed plate and the adjacent clamping plate, the first ear plate is arranged at the side end of the bottom supporting block, a fourth pin shaft is connected between the upper ends of the first ear plate, the middle part of the fourth pin shaft is symmetrically and rotatably connected with the first plate in the left-right direction, a second plate is rotatably connected between the upper ends of the first plate through a fifth pin shaft, the clamp plate is driven by the second electric slide block to move towards the round steel, and in the process that the round steel is pushed by the clamp plate to move towards the fixed plate, a board and No. two boards receive the supporting of round steel and do the rotary motion, form V type structure between a board and No. two boards gradually, until the lower extreme of No. two boards supports in the side end face of fixed plate, the V type structure that a board and No. two boards formed can give the decurrent suppression power of the round steel of being pressed from both sides tightly, and this is favorable to improving the holistic degree of stability of round steel.
As a preferred technical scheme of the invention, a scale plate is arranged below the second plate, one end of the scale plate is connected with the lower end of the bottom support block, the other end of the scale plate is connected with the hollow block in a sliding fit manner, the hollow block is arranged on the outer side end face of the vertical section of the T-shaped plate, the bottom support block drives the scale plate to move synchronously along the T-shaped plate during the movement, and the adjustment quantity of the distance between the bottom support blocks can be accurately adjusted through the fit between the scale plate and the hollow block, so that the requirement of the change of the machining size of the hanger frame can be met more accurately.
As a preferred technical scheme of the invention, the upper end of the side end face of the clamping plate facing the center of the supporting plate is provided with the pressing electric slide block in a sliding fit mode, the end, away from the clamping plate, of the pressing electric slide block is provided with the pressing plate, the pressing plate is perpendicular to the clamping plate, after the clamping plate clamps round steel, the pressing plate is driven by the pressing electric slide block to move downwards along the clamping plate until the pressing plate is tightly pressed on the side end of the round steel, the pressing effect from top to bottom can be achieved on the round steel through the matching between the pressing plate and the pressing electric slide block, and the probability of deflection phenomenon of the round steel during welding processing is greatly reduced.
As a preferred technical scheme of the invention, an angle disc is arranged right below the flat plate, the angle disc is sleeved at the upper end of the second electric push rod, an indicating plate is arranged at the right end of the rotating plate, the lower end surface of the indicating plate is connected with the upper end surface of the angle disc in a sliding fit mode, the rotating angle of the rotating plate can be controlled through the fit between the indicating plate and the disc, the mounting angle of the support steel can be accurately adjusted according to the processing requirement of the hanger, and the forming quality of the hanger is further improved.
According to the preferred technical scheme, the angle lines are carved at the upper end of the outer side end face of the connecting plate and are distributed along the circumferential direction of the connecting shaft, the guide plate is mounted at the upper end of one end, away from the connecting shaft, of the second arc electric sliding block, the inner side end face of the guide plate is attached to the outer side end face of the connecting plate, the rotation angle of the connecting shaft can be accurately controlled through the matching between the angle lines and the guide plate, the mounting angle of the supporting steel connected between the top round steel of the frame and the bottom round steel of the frame can be controlled, and the forming precision of the hanging bracket is improved.
According to a preferred technical scheme of the invention, a baffle is arranged above the outer side end of the supporting plate, the front end of the baffle is connected with the side end face of the clamping plate at the front end of the supporting plate, and the baffle can limit the freedom degree of the round steel in the left and right directions so as to avoid the phenomenon that the round steel is linearly deviated in the welding operation to reduce the welding quality.
Has the advantages that: the auxiliary welding equipment for the steel structure hanger provided by the invention has the following beneficial effects:
1. according to the auxiliary welding equipment for the steel structure hanger, the steel structure hanger is assisted in welding machining by adopting a multidirectional auxiliary fixing design concept, the arranged main connecting mechanism can adjust the height size of a hanger frame according to machining requirements, and the arranged auxiliary connecting mechanism can play a role in guiding, limiting and auxiliary connecting for welding between support steel and round steel, so that the integral welding speed and the welding forming quality of the hanger are greatly improved, and meanwhile, the auxiliary connecting mechanism can also adjust the mounting angle between the support steel and the round steel, so that the integral support stress uniformity of the hanger is improved, and the use quality of the hanger is improved;
2. the distance between the adjacent bottom support blocks can be accurately adjusted under the matching among the connecting plate, the square electric slide block, the scale plate and the hollow block, and the adjustment of the whole size of the whole frame of the hanger can be realized by matching with the position adjustment of the supporting plate on the basis, so that the forming diversity of equipment is greatly improved;
3. the conical block, the clamping electric sliding block, the track plate and the L-shaped electric sliding block are matched to limit the side end of the bottom round steel of the hanger frame, so that the phenomenon that the bottom round steel deviates linearly in the welding process is avoided, and the welding quality between the round steel and the supporting steel is improved;
4. the angle line and the guide plate are matched to accurately control the rotation angle of the connecting shaft, namely the mounting angle of the supporting steel connected between the round steel at the top of the frame and the round steel at the bottom of the frame can be controlled, and the forming precision of the hanger frame is improved;
5. the baffle plate can limit the freedom degree of the round steel in the left and right directions, so that the phenomenon that the round steel deviates linearly in the welding operation is avoided, and the welding quality is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a second cross-sectional view of the present invention;
FIG. 4 is a third cross-sectional view of the present invention;
FIG. 5 is a fourth cross-sectional view of the present invention;
FIG. 6 is a perspective view of a first portion of the structure of the present invention;
FIG. 7 is a perspective view of a second portion of the present invention;
FIG. 8 is an enlarged schematic view at X of FIG. 1 in accordance with the present invention;
FIG. 9 is an enlarged schematic view of the present invention at Y of FIG. 1;
FIG. 10 is an enlarged view of the invention at Z of FIG. 1;
FIG. 11 is an enlarged schematic view of the invention at M of FIG. 2;
FIG. 12 is an enlarged schematic view of the invention at N of FIG. 2;
FIG. 13 is an enlarged schematic view of the invention at R of FIG. 3;
FIG. 14 is an enlarged view of the invention at T of FIG. 4;
FIG. 15 is an enlarged schematic view of the invention at Q of FIG. 5;
FIG. 16 is an enlarged schematic view of the invention at W of FIG. 5;
FIG. 17 is an enlarged schematic view of the invention at E of FIG. 6;
FIG. 18 is an enlarged schematic view of the invention at G of FIG. 6;
FIG. 19 is an enlarged view of the invention at U of FIG. 6;
FIG. 20 is an enlarged schematic view of the invention at P of FIG. 7;
fig. 21 is a perspective view of a work object of the present invention.
Detailed Description
The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, without thereby limiting the scope of the invention to the described embodiment.
As shown in fig. 1 to 21, the auxiliary welding device for the steel structure hanger comprises a workbench 1, a main connecting mechanism 2 and an auxiliary connecting mechanism 3, wherein the main connecting mechanism 2 is arranged at the upper end of the workbench 1, and the auxiliary connecting mechanism 3 is arranged at the upper end of the main connecting mechanism 2.
The main connecting mechanism 2 comprises a first electric slide block 20, a support frame 21, a T-shaped plate 22, a bottom support block 23, a fixing plate 24, a second electric slide block 25, a clamping plate 26, a first electric push rod 27, a support plate 28, a third electric slide block 29 and a clamping plate 290, wherein the first electric slide block 20 is arranged at the left upper end of the workbench 1 in a sliding fit mode, the support frames 21 are symmetrically arranged at the front and back of the right upper end of the workbench 1, the T-shaped plate 22 is connected between the upper end of the first electric slide block 20 and the upper end of the support frame 21, the T-shaped plate 22 is parallel to the workbench 1, the vertical section of the T-shaped plate 22 faces the middle part of the workbench 1, the bottom support blocks 23 are symmetrically arranged at the front and back of the upper end face of the vertical section of the T-shaped plate 22, the fixing plate 24 is arranged on the upper end face of the outer side end of the front and back direction of the bottom support block 23, the second electric slide block 25 is connected with the upper end of the bottom support block 23 in a sliding fit mode, the clamping plate 26 is arranged at the upper end of the second electric slide block 25, the clamping plate 26 is right opposite to the fixing plate 24, a first electric push rod 27 is installed on the upper end face of the T-shaped plate 22 between the front bottom supporting block 23 and the rear bottom supporting block 23, the supporting plate 28 is installed on the upper end of the first electric push rod 27, three electric sliding blocks 29 are symmetrically installed on the upper end of the supporting plate 28 in a front-rear sliding fit mode, the three electric sliding blocks 29 are arranged in a left-right staggered mode, the clamping plate 290 is installed on the upper end of the three electric sliding block 29, the clamping plate 290 inclines towards the center of the supporting plate 28, two round steel bars are respectively arranged between the upper ends of the left bottom supporting block 23 and the right bottom supporting block 23 in a manual mode, then the T-shaped plate 22 connected with the clamping plate is driven to move leftwards through the first electric sliding block 20, so that the bottom supporting blocks 23 are all located at the side ends of the round steel bars, then the clamping plate 26 is driven to move towards the round steel directions through the second electric sliding block 25 until the clamping plate 26 is matched with the fixing plate 24 to clamp the round steel bars, and then the single round steel is arranged between the supporting plates 28 in a manual mode, then drive grip block 290 through No. three electronic slider 29 and move until pressing from both sides tight round steel in opposite directions, drive fagging 28 through an electric putter 27 afterwards and go upward or down, round steel synchronous motion is smugglied secretly to grip block 290, round steel until grip block 290 smugglies is located relevant position department, the whole frame of gallows forms this moment, the adjustment of gallows whole frame height size can be realized in the setting of an electric putter 27, so that the processing requirement scope that equipment can adapt to obtains expanding, the grip block 290 of tilt state is favorable to reducing the probability that the rotation phenomenon appears in the course of working by the round steel that grip block 290 presss from both sides tightly.
The baffle 280 is arranged above the outer side end of the supporting plate 28, the front end of the baffle 280 is connected with the side end face of the clamping plate 290 at the front end of the supporting plate 28, and the arrangement of the baffle 280 can limit the freedom degree of round steel in the left and right directions so as to avoid the phenomenon of straight line deviation of the round steel in the welding operation and reduce the welding quality.
A first ear plate 240 is symmetrically arranged between the fixing plate 24 and the adjacent clamping plate 26, the first ear plate 240 is arranged at the side end of the bottom supporting block 23, a fourth pin shaft is connected between the upper ends of the first ear plates 240, the middle part of the fourth pin shaft is symmetrically and rotatably connected with a first plate 241, a second plate 242 is rotatably connected between the upper ends of the first plate 241 through a fifth pin shaft, the second electric slide block 25 drives the clamping plate 26 to move towards the round steel, and in the process that the round steel is pushed by the clamping plate 26 to move towards the fixed plate 24, the first plate 241 and the second plate 242 are pushed by round steel to rotate, a V-shaped structure is gradually formed between the first plate 241 and the second plate 242 until the lower end of the second plate 242 is pushed against the side end face of the fixing plate 24, and the V-shaped structure formed by the first plate 241 and the second plate 242 can provide downward pressing force for the clamped round steel, so that the overall stability of the round steel is improved.
The lower end of the bottom support block 23 is provided with a sliding shaft 230, the sliding shaft 230 is connected with the upper end of the T-shaped plate 22 in a sliding fit mode, the outer side end of the left and right direction of the bottom support block 23 is provided with an ear plate pair 231, the middle part of the ear plate pair 231 is provided with a second pin shaft, the middle part of the second pin shaft is rotatably connected with one end of a connecting plate 232, the other end of the connecting plate 232 is rotatably connected through a third pin shaft, the lower end of the third pin shaft is provided with a square electric slider 233, the square electric slider 233 is connected with the upper end of the T-shaped plate 22 in a sliding fit mode, the connecting plate 232 is synchronously opened or closed through synchronous opposite movement or opposite movement of the square electric slider 233, during the period, the bottom support block 23 synchronously moves or moves oppositely along the T-shaped plate 22 under the driving of the connecting plate 232, namely, the distance between the adjacent bottom support blocks 23 is adjusted, and the adjustment of the position of the support plate 28 is matched on the basis, so as to realize the adjustment of the whole size of the whole hanger, thereby greatly improving the molding diversity of the equipment.
The lower part of second board 242 be provided with scale plate 243, the one end of scale plate 243 links to each other with the lower extreme of end brace 23, the other end of scale plate 243 passes through sliding fit mode and links to each other with hollow block 244, hollow block 244 is installed in the outside terminal surface of the vertical section of T template 22, end brace 23 drives scale plate 243 synchronous motion during along T template 22 motion, cooperation through scale plate 243 and hollow block 244 can carry out accurate adjustment to the adjustment volume of interval between the end brace 23, so that the requirement of the processing size change of more accurate adaptation gallows.
An L-shaped electric slider 234 is arranged right above the lug plate pair 231, the horizontal section of the L-shaped electric slider 234 is connected with the side end of the bottom support block 23 in a sliding fit mode, a track plate 235 is arranged at the upper end of the vertical section of the L-shaped electric slider 234, a first through groove is formed in the middle of the track plate 235, a clamping electric slider 236 is arranged in the first through groove in a sliding fit mode, a conical block 237 is arranged at one end, away from the first through groove, of the clamping electric slider 236, the conical block 237 is positioned above the bottom support block 23, after bottom round steel is clamped, the track plate 235 is driven by the L-shaped electric slider 234 to move towards the side end of the round steel, the conical block 237 synchronously moves along with the track plate until the conical block 237 approaches the side end face of the round steel, then the position of the conical block 237 is adjusted by the clamping electric slider 236 so that the conical block 237 directly faces the middle of the round steel, and then the track plate 235 is continuously driven by the L-shaped electric slider 234 to move towards the side end of the round steel, until the circular cone piece 237 chucking in the inside of round steel side, the circular cone piece 237, the electronic slider 236 of joint, the cooperation can play the spacing effect of side to the bottom round steel of gallows frame between the electronic slider 234 of L type to avoid the phenomenon that the straight line skew appears in welding process in the bottom round steel, and then be favorable to improving the quality of linking of welding between round steel and the support steel.
Clamping plate 290 side end face upper end towards fagging 28 center install the electronic slider 291 of suppression through sliding fit, the clamp plate 292 is installed to the one end that the electronic slider 291 of suppression and clamping plate 290 leave mutually, be mutually perpendicular between clamp plate 292 and the clamping plate 290, after the clamping plate 290 presss from both sides tight round steel, drive clamp plate 292 along clamping plate 290 downstream through the electronic slider 291 of suppression, until clamp plate 292 compresses tightly in the side of round steel, the cooperation can play top-down's suppression effect to the round steel between clamp plate 292 and the electronic slider 291 of suppression, and then greatly reduced the round steel in the probability of the phenomenon that deflects that appears during welding process.
The auxiliary connecting mechanism 3 comprises a bottom plate 30, a fourth electric sliding block 31, a second electric push rod 32, a flat plate 33, a rotating plate 34, a first arc electric sliding block 35, a fifth electric sliding block 36 and a vertical plate 37, wherein the bottom plate 30 is arranged on the right end face of the first electric sliding block 20, the bottom plate 30 is positioned between brackets 21, the bottom plate 30 is positioned below a T-shaped plate 22, the fourth electric sliding block 31 is arranged on the upper end face of the bottom plate 30 in a sliding fit manner, the fourth electric sliding block 31 is positioned between the T-shaped plates 22, the second electric push rod 32 is arranged on the upper end of the fourth electric sliding block 31, the flat plate 33 is arranged on the upper end of the second electric push rod 32, the rotating plate 34 is rotatably arranged in the middle of the upper end of the flat plate 33 through a pin shaft, the first arc electric sliding blocks 35 are symmetrically arranged on the left and right sides of the lower end of the rotating plate 34, and the lower end of the first arc electric sliding block 35 is connected with the upper end of the flat plate 33 in a sliding fit manner, after the whole frame of the hanger is formed, supporting steel is placed between the vertical plates 37 in a manual mode, then the vertical plates 37 are driven to move oppositely through the five electric sliding blocks 36 until the supporting steel is clamped, then the rotating plate 34 is driven to rotate through the first arc electric sliding block 35, the vertical plates 37 carry the supporting steel to rotate synchronously until corresponding angles are formed between the supporting steel and round steel at the bottom of the frame, then the flat plate 33 is pushed upwards through the second electric push rod 32, the rotating plate 34 is driven to move synchronously by the flat plate 33, the vertical plates 37 carry the supporting steel to move synchronously until the supporting steel is located between the round steel at the bottom of the frame, then the supporting steel and the round steel at the bottom of the frame can be welded through a welding tool, and after the welding of the supporting single steel is finished, the vertical plate 37 loosens the support steel and descends to the original position, then the fourth electric sliding block 31 drives the second electric push rod 32 to move leftwards to the corresponding position, the flat plate 33 and the rotating plate 34 synchronously move along with the movement, and the operation is repeated by welding the rest support frame 21 between the round steel at the bottom of the frame.
The front side and the rear side of the bottom plate 30 are symmetrically provided with side connection groups 38, the side connection groups 38 comprise L-shaped frames 380, a return-type plate 381, a connection electric slide block 382, a connection plate 383, a round rod 384, a connection shaft 385, a second arc electric slide block 386, a storage plate 387, a sixth arc electric slide block 388 and a vertical plate 389, the L-shaped frames 380 are symmetrically arranged at the side end of the workbench 1 from left to right, the return-type plate 381 is connected between the upper ends of the left and right oppositely-facing L-shaped frames 380, the connection electric slide block 382 is arranged in the middle of the return-type plate 381 in a sliding fit manner, the connection plate 383 is arranged at the inner side of the connection electric slide block 382, the round rod 384 is connected between the lower end of the connection plate 383 and the middle of the connection electric slide block 382 in a threaded fit manner, the upper end of the connection plate 383 is rotatably connected with the middle of the connection shaft 385, the second arc electric slide block 386 is arranged at one end of the connection shaft 385, and the second arc electric slide block 386 is connected with the outer end of the connection plate 383 in a sliding fit manner, the other end of the connecting shaft 385 is provided with a storage plate 387, the inner side end of the storage plate 387 is symmetrically provided with six electric sliding blocks 388 at left and right sides in a sliding fit mode, the inner side end of the six electric sliding block 388 is provided with a vertical plate 389, the vertical plate 389 is positioned above the clamping plate 26 and is positioned at the outer side of the supporting plate 28, after round steel at the bottom of the frame is connected through the supporting frame 21, a single supporting steel is placed between the vertical plates 389 in a manual mode, the vertical plates 389 are driven by the six electric sliding blocks 388 to move oppositely to clamp the supporting steel, then the connecting shaft 385 is driven to rotate through a second arc electric sliding block 386, the connecting shaft 385 drives the storage plate 387 to rotate synchronously, the vertical plate 389 carries the supporting frame 21 to rotate synchronously until the supporting steel rotates to a corresponding angle, then the round rod 384 is rotated manually to enable the connecting plate 383 to move inwards, and the vertical plate 389 carries the supporting steel to move synchronously, until the support steel is positioned between the frame bottom round steel and the frame top round steel, welding the support steel with the frame bottom round steel and the frame top round steel through a welding tool, returning the vertical plate 389 to the original position after welding of a single piece of support steel, driving the connecting plate 383 to move leftwards to the corresponding position through the connecting electric slider 382, synchronously moving the object placing plate 387 and the vertical plate 389 along with the object placing plate, repeating the operations to weld the frame bottom round steel, the frame top round steel and the rest of support steel, completing the integral processing of the steel structure hanger after welding of all the support steel, playing the role of guiding, limiting and auxiliary connection for the welding between the support steel and the round steel through the auxiliary connection mechanism 3, further greatly improving the integral welding speed and the quality of welding forming of the hanger, and simultaneously realizing the adjustment of the installation angle of the support steel between the round steel through the auxiliary connection mechanism 3, the uniformity of the whole supporting stress of the hanging bracket is improved, and the use quality of the hanging bracket is further improved.
An angle disc 330 is arranged right below the flat plate 33, the angle disc 330 is sleeved at the upper end of the second electric push rod 32, an indicating plate 331 is installed at the right end of the rotating plate 34, the lower end face of the indicating plate 331 is connected with the upper end face of the angle disc 330 in a sliding fit mode, the rotating plate 34 can be controlled in a rotating angle through the matching between the indicating plate 331 and the disc, the installation angle of the support steel can be accurately adjusted according to the processing requirement of the hanger, and the forming quality of the hanger is further improved.
The upper end of the outer side end face of the connecting plate 383 is carved with an angle line, the angle line is distributed along the circumferential direction of the connecting shaft 385, the guide plate 38a is installed at the upper end of the end, away from the connecting shaft 385, of the second arc electric slide block 386, the inner side end face of the guide plate 38a is attached to the outer side end face of the connecting plate 383, the rotating angle of the connecting shaft 385 can be accurately controlled through the matching between the angle line and the guide plate 38a, the installation angle of supporting steel connected between the frame top round steel and the frame bottom round steel can be controlled, and the forming precision of the hanging bracket is further improved.
During operation, first step, the shaping of gallows overall framework, arrange two round steels in respectively through artifical mode about between the upper end of just relative end shoring piece 23, then drive its T template 22 that links to each other left motion through an electric slider 20, so that end shoring piece 23 all is located the side of round steel, drive splint 26 through No. two electric slider 25 afterwards and move to the round steel direction, until splint 26 and fixed plate 24 cooperation press from both sides tight round steel, then arrange single round steel in between fagging 28 through artifical mode, then drive clamping plate 290 through No. three electric slider 29 and move until pressing from both sides tight round steel mutually, drive fagging 28 through an electric push rod 27 afterwards and go upward or down, clamping plate 290 smuggle secretly synchronous motion, round steel that smugglies secretly until clamping plate 290 is located relevant position department, the overall framework of gallows this moment forms.
Secondly, welding the support steel at the bottom of the frame, manually placing the support steel between vertical plates 37, then driving the vertical plates 37 to move in opposite directions through a fifth electric sliding block 36 until the support steel is clamped, then driving a rotating plate 34 to rotate through a first arc electric sliding block 35, enabling the vertical plates 37 to carry the support steel to synchronously rotate until corresponding angles are formed between the support steel and round steel at the bottom of the frame, then upwards pushing a flat plate 33 through a second electric push rod 32, enabling the flat plate 33 to drive the rotating plate 34 to synchronously move, enabling the vertical plates 37 to carry the support steel to synchronously move until the support steel is positioned between the round steel at the bottom of the frame, then welding the support steel and the round steel at the bottom of the frame through a welding tool, after welding of single support steel, loosening the vertical plates 37 and descending to the original position, then driving the second electric push rod 32 to move leftwards to the corresponding position through a fourth electric sliding block 31, the flat plate 33 and the rotating plate 34 move synchronously, and the round steel at the bottom of the frame and the rest of the supporting steel are welded to repeat the operation.
Thirdly, welding the frame side supporting steel, manually placing single supporting steel between vertical plates 389, driving the vertical plates 389 to move oppositely through a six-number electric slider 388 to clamp the supporting steel, then driving a connecting shaft 385 to rotate through a two-number circular arc electric slider 386, driving a storage plate 387 to rotate synchronously through the connecting shaft 385, driving a support frame 21 to rotate synchronously through the vertical plates 389 until the supporting steel rotates to a corresponding angle, then manually rotating a round rod 384 to enable a connecting plate 383 to move inwards, driving the supporting steel to move synchronously through the vertical plates 389 until the supporting steel is positioned between the frame bottom round steel and the frame top round steel, then welding the supporting steel with the frame bottom round steel and the frame top round steel through a welding tool, returning the vertical plates 389 to the original position after welding of the single supporting steel, and then driving the connecting plate 383 to move leftwards to a corresponding position through the connecting electric slider 382, put thing board 387 and vertical board 389 simultaneous movement thereupon, later repeat above-mentioned operation and carry out the welding between frame bottom round steel and frame top round steel and the surplus supporting steel, all supporting steel welds the back that finishes, and whole machine-shaping is accomplished to the steel construction gallows.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. The utility model provides a steel construction gallows welding process auxiliary assembly, includes workstation (1), owner even mechanism (2) and assistance even mechanism (3), its characterized in that: the upper end of the workbench (1) is provided with a main connecting mechanism (2), and the upper end of the main connecting mechanism (2) is provided with an auxiliary connecting mechanism (3);
the main connecting mechanism (2) comprises a first electric sliding block (20), a support frame (21), a T-shaped plate (22), a bottom support block (23), a fixing plate (24), a second electric sliding block (25), a clamping plate (26), a first electric push rod (27), a support plate (28), a third electric sliding block (29) and a clamping plate (290), the first electric sliding block (20) is arranged at the upper left end of the workbench (1) in a sliding fit mode, the support frame (21) is symmetrically arranged at the front and back of the upper right end of the workbench (1), the T-shaped plate (22) is connected between the upper end of the first electric sliding block (20) and the upper end of the support frame (21), the T-shaped plate (22) is parallel to the workbench (1), the vertical section of the T-shaped plate (22) faces the middle part of the workbench (1), the bottom support block (23) is symmetrically arranged at the front and back of the upper end face of the vertical section of the T-shaped plate (22), the fixing plate (24) is arranged at the upper end face of the outer side end in the front and back direction of the bottom support block (23), the second electric sliding block (25) is connected with the upper end of the bottom supporting block (23) in a sliding fit mode, a clamping plate (26) is installed at the upper end of the second electric sliding block (25), the clamping plate (26) is right opposite to the fixing plate (24), a first electric push rod (27) is installed on the upper end face of the T-shaped plate (22) between the front bottom supporting block and the rear bottom supporting block (23) which are right opposite, a supporting plate (28) is installed at the upper end of the first electric push rod (27), three electric sliding blocks (29) are symmetrically installed at the upper end of the supporting plate (28) in a front-rear mode in a sliding fit mode, the three electric sliding blocks (29) are arranged in a left-right staggered mode, a clamping plate (290) is installed at the upper end of the third electric sliding block (29), and the clamping plate (290) inclines towards the center of the supporting plate (28);
the auxiliary connecting mechanism (3) comprises a bottom plate (30), a fourth electric sliding block (31), a second electric push rod (32), flat plates (33), rotating plates (34), a first arc electric sliding block (35), a fifth electric sliding block (36) and a vertical plate (37), the bottom plate (30) is installed on the right end face of the first electric sliding block (20), the bottom plate (30) is located between the brackets (21), the bottom plate (30) is located below the T-shaped plates (22), the fourth electric sliding block (31) is installed on the upper end face of the bottom plate (30) in a sliding fit mode, the fourth electric sliding block (31) is located between the T-shaped plates (22), the second electric push rod (32) is installed on the upper end of the fourth electric sliding block (31), the rotating plates (34) are installed in the middle of the upper end of the flat plate (33) in a rotating mode through a first pin shaft, the first arc electric sliding blocks (35) are installed on the lower end of the rotating plates (34) in a bilateral symmetry mode, the lower end of the first arc electric sliding block (35) is connected with the upper end of the flat plate (33) in a sliding fit mode, the upper end of the rotating plate (34) is symmetrically provided with a fifth electric sliding block (36) in a front-back mode in a sliding fit mode, and the upper end of the fifth electric sliding block (36) is provided with a vertical plate (37);
the front side and the rear side of the bottom plate (30) are symmetrically provided with side connection groups (38), each side connection group (38) comprises an L-shaped frame (380), a back-shaped plate (381), a connection electric slider (382), a connection plate (383), a round rod (384), a connection shaft (385), a second arc electric slider (386), a storage plate (387), a sixth electric slider (388) and a vertical plate (389), the L-shaped frames (380) are bilaterally and symmetrically arranged at the side end of the workbench (1), the back-shaped plates (381) are connected between the upper ends of the left and right opposite L-shaped frames (380), the middle parts of the back-shaped plates (381) are provided with the connection electric slider (382) in a sliding fit mode, the right inner side of the connection electric slider (382) is provided with the connection plate (383), the round rod (384) is connected between the lower ends of the connection plates (383) and the middle parts of the connection electric sliders (382) in a threaded fit mode, the upper end of connecting plate (383) is rotationally connected with the middle of connecting shaft (385), an electric slider (386) with a circular arc is installed at one end of connecting shaft (385), the electric slider (386) with the circular arc is connected with the outer end of connecting plate (383) in a sliding fit mode, an object placing plate (387) is installed at the other end of connecting shaft (385), six electric sliders (388) are installed at the inner end of object placing plate (387) in a bilateral symmetry mode in the sliding fit mode, a vertical plate (389) is installed at the inner end of six electric sliders (388), the vertical plate (389) is located above clamping plate (26), and the vertical plate (389) is located on the outer side of supporting plate (28).
2. The auxiliary welding equipment for the steel structure hanger according to claim 1, wherein: the lower extreme of end kicking block (23) install slide shaft (230), slide shaft (230) link to each other through the upper end of sliding fit mode with T template (22), the otic placode is right (231) installed to the outside end of the left and right sides direction of end kicking block (23), the otic placode is to (231) mid-mounting has No. two round pin axles, the middle part of No. two round pin axles is rotated with the one end of linking board (232) and is connected, rotate through No. three round pin axles between the other end of linking board (232) and connect, square electric slider (233) are installed to the lower extreme of No. three round pin axles, square electric slider (233) link to each other through the upper end of sliding fit mode with T template (22).
3. The auxiliary welding equipment for the steel structure hanger according to claim 2, wherein: ear plate be provided with electronic slider of L type (234) directly over to (231), the horizontal segment of the electronic slider of L type (234) passes through the side of sliding fit mode and end braced block (23) and links to each other, track board (235) are installed to the upper end of the electronic slider of L type (234) vertical section, a logical groove has been seted up at the middle part of track board (235), electronic slider of joint (236) is installed through the sliding fit mode in the logical groove, circular cone piece (237) are installed to the electronic slider of joint (236) and the one end that a logical groove leaves, circular cone piece (237) are located the top of end braced block (23).
4. The auxiliary welding equipment for the steel structure hanger according to claim 1, wherein: fixed plate (24) and its adjacent splint (26) between bilateral symmetry be provided with ear plate (240) No. one, install in the side of end brace piece (23) ear plate (240) No. one, be connected with No. four round pin axles between the upper end of ear plate (240), the middle part bilateral symmetry of No. four round pin axles rotates and is connected with one board (241), rotate through No. five round pin axles between the upper end of one board (241) and be connected with No. two boards (242).
5. The auxiliary welding equipment for the steel structure hanger as claimed in claim 4, wherein: a scale plate (243) is arranged below the second plate (242), one end of the scale plate (243) is connected with the lower end of the bottom support block (23), the other end of the scale plate (243) is connected with the hollow block (244) in a sliding fit mode, and the hollow block (244) is installed on the outer end face of the vertical section of the T-shaped plate (22).
6. The auxiliary welding equipment for the steel structure hanger according to claim 1, wherein: the clamping plate (290) is provided with an electric pressing slider (291) towards the upper end of the side end face of the center of the supporting plate (28) in a sliding fit mode, one end of the electric pressing slider (291) away from the clamping plate (290) is provided with a pressing plate (292), and the pressing plate (292) is perpendicular to the clamping plate (290).
7. The auxiliary welding equipment for the steel structure hanger according to claim 1, wherein: an angle disc (330) is arranged right below the flat plate (33), the angle disc (330) is sleeved at the upper end of the second electric push rod (32), an indicating plate (331) is installed at the right end of the rotating plate (34), and the lower end face of the indicating plate (331) is connected with the upper end face of the angle disc (330) in a sliding fit mode.
8. The auxiliary welding equipment for the steel structure hanger according to claim 1, wherein: an angle line is carved at the upper end of the outer end face of the connecting plate (383), the angle line is distributed along the circumferential direction of the connecting shaft (385), a guide plate (38a) is installed at the upper end of one end, away from the connecting shaft (385), of the second arc electric slide block (386), and the inner end face of the guide plate (38a) is attached to the outer end face of the connecting plate (383).
9. The auxiliary welding equipment for the steel structure hanger according to claim 1, wherein: a baffle (280) is arranged above the outer side end of the supporting plate (28), and the front end of the baffle (280) is connected with the side end surface of the clamping plate (290) at the front end of the supporting plate (28).
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| CN202110568185.6A CN113385873B (en) | 2021-05-25 | 2021-05-25 | Steel construction gallows welding process auxiliary assembly |
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| CN114147638B (en) * | 2021-11-24 | 2023-12-05 | 山西省安装集团股份有限公司 | Positioning device for connecting steel structural members |
| CN114770013B (en) * | 2022-06-20 | 2022-09-02 | 江苏神铸智能科技有限公司 | Welding fixture for manufacturing alloy pipe fitting truss structure |
| CN117124009B (en) * | 2023-10-26 | 2024-01-26 | 连云港振江轨道交通设备有限公司 | Steel construction gallows welding process auxiliary assembly |
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| US7677428B2 (en) * | 2006-11-20 | 2010-03-16 | Comau, Inc. | Motor vehicle body framing apparatus |
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| CN2855623Y (en) * | 2005-11-30 | 2007-01-10 | 巫永元 | Device for positioning auxiliary lacing wire between main parts of metal truss |
| EP3348345A1 (en) * | 2017-01-13 | 2018-07-18 | SYNEY Electric (Hangzhou) Co., Ltd. | Process for truss welding tooling |
| CN211361123U (en) * | 2019-11-07 | 2020-08-28 | 江苏胜宏钢结构有限公司 | Welding machine is used in truss production with fixing device |
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