CN113351910A - Automatic machining system for manufacturing steel structure beam connecting structure - Google Patents
Automatic machining system for manufacturing steel structure beam connecting structure Download PDFInfo
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- CN113351910A CN113351910A CN202110750283.1A CN202110750283A CN113351910A CN 113351910 A CN113351910 A CN 113351910A CN 202110750283 A CN202110750283 A CN 202110750283A CN 113351910 A CN113351910 A CN 113351910A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Abstract
The invention relates to an automatic processing system for manufacturing a steel structure beam connecting structure, which comprises a workbench and a positioning device arranged at the top of the workbench, wherein the top of the workbench is also provided with a drilling device; the inner support of the inner wall of the steel clip beam to be processed can be realized through the relative or opposite movement of the two groups of linkage plates and the vertical reciprocating movement of the trapezoidal plates, the stability of the steel clip beam to be processed is improved, the steel clip beams with different lengths and widths can be internally supported and fixed, the applicability of the invention is improved, two adjacent side walls of the steel clip beam to be processed can be simultaneously drilled through the cooperation of the movement of the hydraulic cylinder and the rotary drill bit, and compared with the method, the efficiency of single-side drilling only once can be high, the production speed is high, the operation steps are fewer, and the practicability is high.
Description
Technical Field
The invention relates to the field of machining of connecting pieces, in particular to an automatic machining system for manufacturing a steel structure beam connecting structure.
Background
The steel structure is one of the more common structural forms in modern building engineering, and for example, H-shaped steel, T-shaped steel and profiled steel sheets are all suitable for the requirements of large-span structures and super high-rise buildings. Compared with other constructions, the steel structure has advantages in use, design, construction and comprehensive economy, has low cost and can be moved at any time. The steel structure mainly comprises steel beams, steel columns, steel trusses and other components, and all the components or parts are usually connected by welding seams, bolts or rivets.
A steel beam is a beam made of steel, and the cross section of the steel beam has various shapes such as a square, an H shape, and a T shape.
At present, the following problems may exist in the process of drilling the steel beam with the shape of a Chinese character 'hui': 1. the traditional automatic drilling machine for manufacturing the steel structure beam connecting structure cannot position and clamp the steel square beams with different sizes, so that the positioning device is small in application range and high in equipment cost; 2. traditional steel construction crossbeam connection structure preparation is with automatic drilling machine can only carry out the drilling of a face to returning the shape girder steel for the machining efficiency of drilling is lower, and equipment degree of wearing and tearing is great.
Therefore, the invention provides an automatic processing system for manufacturing a steel structure beam connecting structure.
Disclosure of Invention
In order to achieve the purpose, the invention provides an automatic processing system for manufacturing a steel structure beam connecting structure, which comprises a workbench and a first T-shaped groove formed in the top of the workbench, wherein T-shaped sliding blocks are in sliding butt joint in the first T-shaped groove, the T-shaped sliding blocks are symmetrically arranged in two groups in the left-right direction, a rectangular groove is formed in the position, corresponding to the horizontal section of the T-shaped sliding block, of the front end of the workbench, and strip-shaped grooves are symmetrically formed in the left-right direction of the top of the rectangular groove;
the top of the workbench is provided with a positioning device, the positioning device comprises a movable plate arranged at the top of a vertical section of the T-shaped slider, the upper ends of the opposite sides of the two groups of movable plates are rotatably connected with a first rotating shaft, one end of the first rotating shaft is fixedly connected with a star-shaped wheel disc, a plurality of groups of connecting rods are circumferentially distributed at one end, away from the movable plate, of the star-shaped wheel disc, the tail ends of the plurality of groups of connecting rods are jointly and fixedly connected with a linkage plate, trapezoidal plates are arranged at positions, away from one ends of the connecting rods, of the linkage plate, two groups of trapezoidal plates are arranged above and below the trapezoidal plates, an adjusting mechanism is arranged at one side, close to the star-shaped wheel disc, of the linkage plate, the tail end of the first rotating shaft on the left side penetrates through the side wall of the movable plate and is provided with a sheave mechanism, the sheave mechanism is driven by a transmission motor, and the lower end of the transmission motor is fixedly connected with the side wall of the movable plate through a mounting seat;
the top of workstation is provided with drilling equipment, drilling equipment is including setting up Contraband type frame in workstation top rear end and opening down, No. two T type grooves have been seted up at the top of Contraband type frame horizontal segment, the inside slip in No. two T type grooves has the electronic slider of T type, the top fixedly connected with fixing base of the electronic slider of T type, No. three T type grooves have been seted up at the top of fixing base, it is connected with the removal screw rod to rotate between the front and back both ends in No. three T type grooves, the outer wall spiro union of removal screw rod has T type slide, T type slide slides the inside of butt joint in No. three T type grooves, the one end of removal screw rod runs through rear end and the knob of fixedly connected with of fixing base, the top fixedly connected with cushion cap of T type slide, the front end welding at cushion cap top has the L template, the lateral wall of L template vertical section and horizontal segment all is provided with roll adjustment mechanism and locking mechanism.
Preferably, the left end and the right end of the vertical section of the T-shaped sliding block are symmetrically provided with two groups of L-shaped supports, the front ends and the back ends of the L-shaped supports are symmetrically provided with two groups of L-shaped supports, a round roller is rotatably connected between the two groups of vertical sections of the L-shaped supports, and the bottom end of the round roller is flush with the bottom end of the horizontal section of the T-shaped sliding block.
Preferably, the top of workstation is provided with supporting mechanism, and supporting mechanism installs the lift cylinder including setting up the L type bottom plate at workstation top rear end center, the front end at L type bottom plate horizontal segment top, lift cylinder top fixedly connected with H template, and the bar hole has been seted up to the symmetry around the top of the vertical section of H template, rotates jointly between two sets of bar holes of bilateral symmetry to be connected with the round bar, and the outer wall of round bar and the fixed cover in inside that is located the bar hole are equipped with the crotch.
Preferably, both ends are rotated through the round pin axle and are connected with the stripper plate about round bar one side is kept away from to the crotch, the lateral wall and the cover that the H template was all run through to the one end of two sets of round bars are equipped with a gear, the bottom fixedly connected with T type curb plate of H template lateral wall, the mounting hole has been seted up at the lateral wall center of the vertical section of T type curb plate, the internally mounted of mounting hole has two-way cylinder, two of two-way cylinder remove the equal fixedly connected with rack in end, two sets of racks mesh with two sets of gears respectively, both ends symmetry is provided with the backup pad No. two around the T type curb plate horizontal segment top, the top of No. two backup pads contacts with the bottom of rack No. one.
Preferably, the top be fixed connection between trapezoidal plate and the linkage board, be connected through sliding fit's mode between below trapezoidal plate and the linkage board, and the one end width that trapezoidal plate and linkage board contacted is the longest, and the lift hole has been seted up at the lateral wall center of linkage board, and the inside in lift hole slides and is provided with the lifter, the one end of lifter and the lateral wall fixed connection of below trapezoidal plate.
Preferably, adjustment mechanism includes the lifting rack of fixed connection at the lifter end, the lateral wall of gangboard rotates and is connected with drive gear, drive gear and lifting rack intermeshing, drive gear's length is greater than lifting rack's length, the front end of gangboard lateral wall is provided with Contraband type curb plate, the front end spiro union of Contraband type curb plate has adjusting screw, adjusting screw's end runs through the rear end of the vertical section of Contraband type curb plate and rotates through the bearing and is connected with the connecting block, one side fixedly connected with mobile rack that the connecting block is close to lifting rack, mobile rack and drive gear intermeshing, the lateral wall of gangboard and the position welding that is located mobile rack bottom have a backup pad, No. one T type recess has been seted up at mobile rack's bottom center, the inside slip of No. one T type recess is docked No. one T type pole, the bottom of No. one T type pole vertical section and the top fixed connection of a backup pad.
Preferably, the top of the workbench is provided with a transmission mechanism, the transmission mechanism comprises a transmission rack fixedly connected with the front end of the horizontal section of the T-shaped sliding block, the bottom end of the rectangular groove and the inside of the strip-shaped groove are symmetrically and rotatably connected with a rotating gear, the top of the rotating gear is positioned above the workbench, and the hypomere of two sets of rotating gear meshes with two sets of driving racks respectively mutually, the front end center slip at workstation top is provided with the V type rack that the opening is preceding, the tooth of V type rack both sides meshes with the upper segment of two sets of rotating gear respectively, the top bilateral symmetry of workstation is provided with L type guide block, the corner at V type rack top and the position fixedly connected with triangle block that is located L type bottom plate horizontal segment bottom, the front end center of workstation is provided with the collateral branch frame, electric putter is installed to the front end of collateral branch frame, electric putter's removal end runs through the rear end of collateral branch frame and with the front end fixed connection of triangle block.
Preferably, the distance adjusting mechanism comprises a hydraulic cylinder arranged at the center of the top of the horizontal section of the L-shaped plate, the front end and the rear end of the center of the top of the horizontal section of the L-shaped plate are symmetrically provided with a waist-shaped hole, the front end and the rear end of the top of the horizontal section of the L-shaped plate are symmetrically provided with two groups of side stretching plates, a guide rod is rotationally connected between the two groups of side stretching plates on the right side, a two-way screw rod is rotationally connected between the two groups of side stretching plates on the left side, one end of the two-way screw rod penetrates through the side wall of one group of side stretching plates and is fixedly connected with a knob of No. two, the outer wall of the guide rod and the outer wall of the two-way screw rod are jointly sleeved with a cross-shaped plate, the front end and the rear end of the cross-, the internally mounted of round hole has the telescopic link, and the telescopic link runs through the inside in waist type hole No. one, and the removal end of pneumatic cylinder runs through the bottom and the fixedly connected with fixed plate of L template horizontal segment, and No. two waist type holes have been seted up to the position that the top of fixed plate corresponds waist type hole No. one, and the end of telescopic link all is provided with rotary drill with the bottom center of fixed plate, and No. two waist type holes's both ends symmetry is provided with the spacing groove about, and the lateral wall that the telescopic link removed the end corresponds the position in spacing groove and is provided with the gag lever post.
Preferably, the left end and the right end of the L-shaped plate are symmetrically provided with L-shaped scale plates, and the two ends of the horizontal section of the cross-shaped plate are symmetrically provided with pointers.
Preferably, locking mechanism is including seting up at L template horizontal segment top and being close to No. two T type recesses of No. two knob one sides, and the inside of No. two T type recesses slides and is docked No. two T type poles, and No. two knobs are close to the one end of No. two T type poles and have been offered the circular slot, and the circular slot is the annular along the outer wall of No. two knobs and distributes, and the position that the lateral wall of No. two T type pole vertical section corresponds the circular slot is provided with the inserted bar.
Advantageous effects
1. The inner support of the inner wall of the clip-shaped steel beam to be processed can be realized through the relative or opposite movement of the two groups of linkage plates and the up-and-down reciprocating movement of the trapezoidal plates, the stability of the clip-shaped steel beam to be processed is improved, the clip-shaped steel beams with different lengths and widths can be internally supported and fixed, and the applicability of the invention is improved;
2. according to the invention, through the cooperation between the movement of the hydraulic cylinder and the rotary drill bit, the two adjacent side walls of the clip-shaped steel beam to be processed can be drilled simultaneously, and compared with the method that only single-side drilling can be performed once, the efficiency is high, the production speed is high, the operation steps are fewer, and the practicability is high;
3. according to the invention, the first knob can be locked and fixed by inserting the inserted rod into the circular groove on the second knob, so that the phenomenon that the bidirectional screw rotates in the drilling vibration process is prevented, and the position of a drilled hole is deviated, thereby being beneficial to increasing the stability of a rotary drill bit, improving the drilling quality and further increasing the drilling precision;
4. according to the invention, the two groups of cross-shaped plates move in opposite directions or in opposite directions under the screw thread driving of the two-way screw rod and the guiding action of the guide rod, so that the position of the rotary drill bit at the bottom end of the telescopic rod can be adjusted, drilling at different positions is facilitated, the production cost is reduced, and the drilling machine is suitable for drilling in different specifications.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a top plan view of the transmission mechanism of the present invention;
FIG. 3 is a perspective view of the transmission mechanism of the present invention;
FIG. 4 is a schematic structural view of the support mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the hook and the stripper plate of the present invention;
FIG. 6 is a schematic view of the adjusting mechanism of the present invention;
FIG. 7 is a cross-sectional view of the linkage plate and star wheel in accordance with the present invention;
FIG. 8 is a left side elevation view of the present invention;
FIG. 9 is a top view of the present invention;
FIG. 10 is an enlarged schematic view of area A of FIG. 9 in accordance with the present invention;
FIG. 11 is a cross-sectional view of an Contraband form with an L-shaped plate of the present invention;
FIG. 12 is a schematic view of the pitch adjustment mechanism and the locking mechanism of the present invention;
fig. 13 is a sectional view of the work object of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 13, an automatic processing system for manufacturing a steel structure beam connection structure comprises a workbench 10 and a first T-shaped groove 101 formed at the top of the workbench 10, wherein the left end of the first T-shaped groove 101 is of an inverted T-shaped structure, T-shaped sliders 102 are slidably abutted inside the first T-shaped groove 101, two sets of T-shaped sliders 102 are symmetrically arranged on the left and right sides of the T-shaped slider 102, a rectangular groove 103 is formed at the front end of the workbench 10 corresponding to the horizontal section of the T-shaped slider 102, the rectangular groove 103 is communicated with the first T-shaped groove 101, strip-shaped grooves 104 are symmetrically formed at the top of the rectangular groove 103 on the left and right sides, the two sets of strip-shaped grooves 104 are communicated with the rectangular groove 103, L-shaped brackets 11 are symmetrically arranged on the left and right sides of the vertical section of the T-shaped slider 102, two sets of L-shaped brackets 11 are symmetrically arranged on the front and back sides of the vertical section, a round roller 12 is rotatably connected between the two sets of L-shaped brackets 11 which are symmetrical on the front and back sides, the bottom end of the round roller 12 is flush with the bottom end of the horizontal section of the T-shaped slider 102, the round roller 12 can reduce the friction force of the T-shaped sliding block 102 in moving;
a supporting mechanism 13 is arranged above the workbench 10, the supporting mechanism 13 comprises an L-shaped bottom plate 131 arranged at the center of the rear end of the top of the workbench 10, a lifting cylinder 132 is arranged at the front end of the top of the horizontal section of the L-shaped bottom plate 131, an H-shaped plate 133 is fixedly connected to the top end of the lifting cylinder 132, the H-shaped plate 133 is positioned at the center position between the two groups of moving plates 21, strip-shaped holes 134 are symmetrically arranged at the front and back of the top of the vertical section of the H-shaped plate 133, a round rod 135 is jointly and rotatably connected between the two groups of strip-shaped holes 134 which are symmetrical left and right, a hook 136 is fixedly sleeved inside the strip-shaped hole 134 and on the outer wall of the round rod 135, extrusion plates 137 are rotatably connected to the left and right ends of one side of the hook 136 far away from the round rod 135 through a pin shaft, one end of each of the two groups of round rods 135 penetrates through the side wall, the internally mounted of mounting hole has two-way cylinder 1391, and two of two removal ends of two-way cylinder 1391 are rack 1392 of equal fixedly connected with, and two sets of racks 1392 mesh with two sets of gears 138 respectively, and both ends symmetry is provided with No. two backup pads 1393 around the T type curb plate 139 horizontal segment top, and the top of No. two backup pads 1393 contacts with the bottom of a rack 1392.
When the device works, a steel square beam to be processed is placed at the top of the H-shaped plate 133, the two-way cylinder 1391 is started, the two-way cylinder 1391 drives the two sets of the first racks 1392 to move outwards or inwards at the same time, the two sets of the first racks 1392 drive the two sets of the first gears 138 to synchronously rotate, the rotation directions are opposite, the first gear 138 drives the coaxially connected hook 136 to rotate together, the hook 136 drives the extrusion plate 137 to synchronously rotate and gradually attach to the front end and the rear end of the steel square beam to be processed, thereby the centering adjustment can be carried out on the steel clip to be processed, the precision of the subsequent processing position can be improved, and the positioning is accurate, the lifting cylinder 132 is started, the moving end of the lifting cylinder 132 can perform up-and-down reciprocating linear motion, thereby driving the H-shaped plate 133 to move synchronously, and the H-shaped plate 133 driving the steel beam to be processed to move together, so that the height position of the steel beam to be processed can be adjusted.
The top of the workbench 10 is provided with a positioning device 20, the positioning device 20 comprises moving plates 21 arranged at the top of the vertical section of the T-shaped slider 102, the upper ends of the opposite sides of the two groups of moving plates 21 are rotatably connected with a first rotating shaft 22, one end of the first rotating shaft 22 is fixedly connected with a star-shaped wheel disc 23, a plurality of groups of connecting rods 231 are circumferentially distributed at one end of the star-shaped wheel disc 23 far away from the moving plates 21, the tail ends of the groups of connecting rods 231 are commonly and fixedly connected with a linkage plate 24, a trapezoidal plate 25 is arranged at the position of the linkage plate 24 far away from one end of the connecting rod 231, two groups of trapezoidal plates 25 are arranged above and below the trapezoidal plates 25 and are fixedly connected with the linkage plate 24, the lower trapezoidal plate 25 is connected with the linkage plate 24 in a sliding fit manner, the width of one end of the trapezoidal plate 25 in contact with the linkage plate 24 is the longest, a lifting hole 241 is arranged at the center of the side wall of the linkage plate 24, and a lifting rod 242 is arranged inside the lifting hole 241 in a sliding manner, one end of the lifting rod 242 is fixedly connected with the side wall of the lower trapezoidal plate 25;
an adjusting mechanism 26 is arranged on one side of the linkage plate 24 close to the star wheel disc 23, the adjusting mechanism 26 comprises a lifting rack 261 fixedly connected to the tail end of the lifting rod 242, a transmission gear 262 is rotatably connected to the side wall of the linkage plate 24 and located on the front side of the lifting rack 261, the transmission gear 262 is meshed with the lifting rack 261, the length of the transmission gear 262 is larger than that of the lifting rack 261, an Contraband-type side plate 263 is arranged at the front end of the side wall of the linkage plate 24, an adjusting screw 264 is screwed to the front end of the Contraband-type side plate 263, the tail end of the adjusting screw 264 penetrates through the rear end of the vertical section of the Contraband-type side plate 263 and is rotatably connected with a connecting block 265 through a bearing, a moving rack 266 is fixedly connected to a position, which is close to one side of the lifting rack 261 and located between two groups of horizontal sections of the Contraband-type side plate 263, the moving rack 266 is meshed with the transmission gear 262, a first supporting plate 267 is welded to the side wall of the linkage plate 24 and located at the bottom end of the moving rack 266, a first T-shaped groove is formed in the center of the bottom end of the movable rack 266, the front end of the first T-shaped groove is of a T-shaped structure, a first T-shaped rod (not shown in the figure) is in sliding butt joint with the inside of the first T-shaped groove, and the bottom end of the vertical section of the first T-shaped rod is fixedly connected with the top of the first supporting plate 267;
the tail ends of the first group of rotating shafts 22 penetrate through the side wall of the moving plate 21 and are fixedly sleeved with grooved wheels 27, the side wall of the first group of moving plates 21 and the position right below the grooved wheels 27 are rotatably connected with discs 28 through second group of rotating shafts, the discs 28 are mutually matched with the grooved wheels 27, cylindrical pins 281 used for shifting the grooved wheels 27 are further arranged on the side walls of the discs 28 close to the edges, the tail ends of the second group of rotating shafts are fixedly connected with transmission motors, and the lower ends of the transmission motors are fixedly connected with the side wall of the moving plate 21 through mounting seats; the sheave 27, the disc 28 and the cylindrical pin 281 constitute a sheave mechanism.
The top of the workbench 10 is provided with a transmission mechanism 29, the transmission mechanism 29 comprises a transmission rack 291 fixedly connected to the front end of the horizontal section of the T-shaped slider 102, the bottom end of the rectangular groove 103 and the inner part of the strip-shaped groove 104 are symmetrically and rotatably connected with a rotary gear 292, the top of the rotary gear 292 is positioned above the workbench 10, the lower sections of the two groups of rotary gears 292 are respectively meshed with the two groups of transmission racks 291, the front end center of the top of the workbench 10 is provided with a V-shaped rack 293 with a forward opening in a sliding manner, teeth on two sides of the V-shaped rack 293 are respectively meshed with the upper sections of the two groups of rotary gears 292, the top of the workbench 10 is symmetrically provided with L-shaped guide blocks 294 from side to side, the side walls of the L-shaped guide blocks 294 are mutually attached to the side walls of the V-shaped rack 293, a triangular block 295 is fixedly connected to the position at the corner of the top of the V-shaped rack 293 and the bottom end of the horizontal section of the L-shaped bottom plate 131, the triangular block 295 plays a certain supporting role for the horizontal section of the L-shaped bottom plate 131, a side bracket 296 is provided at the center of the front end of the table 10, an electric push rod 297 is attached to the front end of the side bracket 296, and the moving end of the electric push rod 297 penetrates the rear end of the side bracket 296 and is fixedly connected to the front end of the triangular block 295.
When the device works, the electric push rod 297 is started to drive the triangular block 295 and the V-shaped rack 293 to synchronously perform front-back reciprocating linear movement along the bottom end of the horizontal section of the L-shaped bottom plate 131, when the triangular block 295 moves forwards, the V-shaped rack 293 moves forwards along with the triangular block 295 synchronously, at the moment, the V-shaped rack 293 drives two groups of rotating gears 292 to synchronously rotate inwards, the two groups of rotating gears 292 drive two groups of transmission racks 291 to move oppositely, the two groups of transmission racks 291 drive two groups of T-shaped sliders 102 and two groups of moving plates 21 to synchronously move, the moving plates 21 drive the star-shaped wheel discs 23 to synchronously move with the linkage plates 24, the trapezoidal plates 25 move into the two ends of the steel clip to be processed along with the linkage plates 24 and center and fix the two ends of the steel clip to be processed, the trapezoidal plates 25 can support the steel clips with different widths, the application range is wide, the adjusting screw 264 is rotated to rotate and move forwards, the connecting block 265 drives the moving rack 266 to gradually move forward under the screw thread driving of the adjusting screw 264 and the guiding effect of the second T-shaped groove, the moving rack 266 drives the transmission gear 262 to rotate backward, the lifting rack 261 gradually moves downward under the driving of the transmission gear 262, and the lifting rod 242 and the lower trapezoidal plate 25 synchronously move to the bottom end of the inner wall of the steel clip to be processed under the driving of the lifting rack 261, so that the inner wall of the steel clip to be processed is internally supported, and the stability of the steel clip to be processed is improved;
the driving motor is started to drive the disc 28 to rotate, the cylindrical pin 281 continuously rotates along with the disc 28, when the cylindrical pin 281 does not enter the radial groove of the grooved pulley 27, the concave locking arc of the grooved pulley 27 is clamped by the concave locking arc of the disc 28, the grooved pulley 27 is not moved, the cylindrical pin 281 just enters the radial groove of the grooved pulley 27, the locking arc is just loosened at the moment, the grooved pulley 27 is driven by the cylindrical pin 281 to rotate, the reciprocating is carried out, the grooved pulley 27 is driven by the cylindrical pin 281 to rotate in a unidirectional intermittent manner, the star-shaped wheel disc 23 coaxially connected with the grooved pulley 27 also synchronously rotates, the star-shaped wheel disc 23 drives the linkage plate 24 to rotate together with the trapezoidal plate 25, the steel beam to be processed is driven to turn over at an intermittent ninety degrees, and after the steel beam to be processed rotates once, the switch of the driving motor is immediately turned off.
The top of the workbench 10 is provided with a drilling device 30, the drilling device 30 comprises an Contraband-shaped frame 31 which is arranged at the rear end of the top of the workbench 10 and has a downward opening, the top of the horizontal section of the Contraband-shaped frame 31 is provided with a second T-shaped groove 311, the interior of the second T-shaped groove 311 is in sliding butt joint with a T-shaped electric slider 312, the top of the T-shaped electric slider 312 is fixedly connected with a fixed seat 32, the top of the fixed seat 32 is provided with a third T-shaped groove 321, a movable screw 322 is rotatably connected between the front end and the rear end of the third T-shaped groove 321, the outer wall of the movable screw 322 is in threaded joint with a T-shaped sliding plate 323, the T-shaped sliding plate 323 is in sliding butt joint with the interior of the third T-shaped groove 321, one end of the movable screw 322 penetrates through the rear end of the fixed seat 32 and is fixedly connected with a first knob, the top of the T-shaped sliding plate 323 is fixedly connected with a supporting platform 33, the front end of the top of the supporting platform 33 is welded with an L-shaped plate 34, and the left end and right end of the L-shaped plate 34 are symmetrically provided with L-shaped scale plates 341;
the side walls of the vertical section and the horizontal section of the L-shaped plate 34 are provided with a distance adjusting mechanism 35 and a locking mechanism 36, the distance adjusting mechanism 35 comprises a hydraulic cylinder 351 installed at the center of the top of the horizontal section of the L-shaped plate 34, the front end and the rear end of the center of the top of the horizontal section of the L-shaped plate 34 are symmetrically provided with a first waist-shaped hole 352, the front end and the rear end of the top of the horizontal section of the L-shaped plate 34 are symmetrically provided with two groups of side extension plates 353, the two groups of side extension plates 353 are symmetrically arranged in the left and the right, a guide rod 354 is rotatably connected between the two groups of side extension plates 353 on the right side, a two-way screw 355 is rotatably connected between the two groups of side extension plates 353 on the left side, one end of the two-way screw 355 penetrates through the side wall of one group of side extension plates 353 and is fixedly connected with a second knob 3551, the outer wall of the guide rod 354 and the outer wall of the two-way screw 355 are sleeved with a cross-shaped plate 356, the front and the two-way screw rods 354 are symmetrically arranged in the front and back of the cross-way are connected in a sliding fit, the two ends of the horizontal section of the cross-shaped plate 356 are symmetrically provided with pointers 3561, the center of the top of the cross-shaped plate 356 is provided with a round hole, a telescopic rod 357 is installed inside the round hole, the telescopic rod 357 penetrates through the inside of the first waist-shaped hole 352, the moving end of the hydraulic cylinder 351 penetrates through the bottom of the horizontal section of the L-shaped plate 34 and is fixedly connected with a fixed plate 358, the top of the fixed plate 358 is provided with a second waist-shaped hole 3581 corresponding to the position of the first waist-shaped hole 352, the tail end of the telescopic rod 357 and the center of the bottom of the fixed plate 358 are both provided with a rotary drill bit 3582, the left end and the right end of the second waist-shaped hole 3581 are symmetrically provided with limiting grooves 3583, and the side wall of the moving end of the telescopic rod 357 is provided with a limiting rod 3584 corresponding to the position of the limiting groove 3583;
When the device works, the first knob is rotated to drive the moving screw rod 322 to rotate, the T-shaped sliding plate 323 gradually moves forwards under the screw thread driving of the moving screw rod 322 and the guiding effect of the third T-shaped groove 321, the T-shaped sliding plate 323 drives the supporting platform 33 and the L-shaped plate 34 to synchronously move to the outer side of the steel beam to be processed, the two groups of hydraulic cylinders 351 are started to drive the two groups of fixing plates 358 to synchronously move towards the two adjacent side walls of the steel beam to be processed, the fixing plates 358 drive the rotary drill bit 3582 to synchronously move, the two adjacent side walls of the steel beam to be processed can be simultaneously drilled through the matching of the movement of the hydraulic cylinders 351 and the rotary drill bit 3582, the T-shaped electric sliding block 312 is started to linearly move left and right along the second T-shaped groove 311, the T-shaped electric sliding block 312 drives the fixing base 32, the supporting platform 33 and the L-shaped plate 34 to synchronously move, so that the drilling, when the distance between the drill holes needs to be adjusted, the two-way screw 355 is rotated to rotate, the two groups of cross-shaped plates 356 move oppositely or oppositely under the drive of the screw threads of the two-way screw 355 and the guide action of the guide rod 354, the telescopic rod 357 drives the corresponding rotary drill bit 3582 to move synchronously under the drive of the cross-shaped plates 356, so that the telescopic rod 357 moves in the first waist-shaped hole 352 and the second waist-shaped hole 3581 and drives the limiting rod 3584 to move along the limiting groove 3583, the position of the rotary drill bit 3582 at the bottom end of the telescopic rod 357 can be adjusted, the drill holes can be conveniently drilled at different positions, the production cost is reduced, and the drilling processing of different specifications is guaranteed;
after the first knob is adjusted, the second T-shaped rod 362 is pushed to drive the insertion rod 363 to be inserted into the corresponding circular groove, so that the first knob can be locked and fixed.
The working principle is as follows: placing a steel beam to be processed in a shape of a square to be processed at the top of an H-shaped plate 133, starting a bidirectional cylinder 1391, enabling the bidirectional cylinder 1391 to drive two groups of racks 1392 to move outwards or inwards at the same time, enabling the two groups of racks 1392 to drive two groups of gears 138 to rotate synchronously, enabling the gears 138 to drive coaxially connected hooks 136 to rotate together, enabling the hooks 136 to drive an extrusion plate 137 to rotate synchronously and to be gradually attached to the front end and the rear end of the steel beam to be processed, so that centering adjustment can be carried out on the steel beam to be processed, precision of a subsequent processing position can be improved, positioning is accurate, starting a lifting cylinder 132, enabling a moving end of the lifting cylinder 132 to carry out vertical reciprocating linear motion, and further driving the H-shaped plate 133 to move synchronously, and enabling the H-shaped plate 133 to drive the steel beam to be processed to move together, so that the height position of the steel beam to be processed can be adjusted;
the electric push rod 297 is started to drive the triangular block 295 and the V-shaped rack 293 to synchronously perform front-back reciprocating linear movement along the bottom end of the horizontal section of the L-shaped bottom plate 131, when the triangular block 295 moves forwards to the front end of the bottom of the horizontal section of the L-shaped bottom plate 131, the V-shaped rack 293 moves forwards along with the triangular block 295 synchronously, at the moment, the V-shaped rack 293 drives two groups of rotating gears 292 to synchronously rotate inwards, the two groups of rotating gears 292 drive two groups of transmission racks 291 to move towards each other, the two groups of transmission racks 291 drive two groups of T-shaped sliders 102 and two groups of moving plates 21 to synchronously move, the moving plates 21 drive the star-shaped wheel disc 23 and the linkage plate 24 to synchronously move, the trapezoidal plates 25 move together with the linkage plate 24 to the insides of two ends of the circular steel beam to be processed and center and fix the two ends of the circular steel beam to be processed, the trapezoidal plates 25 can support the circular steel beams with different widths, the application range is wide, and the adjusting screw rod 264 is rotated, the adjusting screw 264 is rotated and moves forwards, the connecting block 265 drives the moving rack 266 to gradually move forwards under the screw thread driving of the adjusting screw 264 and the guiding effect of the second T-shaped groove, the moving rack 266 drives the transmission gear 262 to rotate backwards, the lifting rack 261 is gradually moved downwards under the driving of the transmission gear 262, and the lifting rod 242 and the lower trapezoidal plate 25 are synchronously moved to the bottom end of the inner wall of the steel clip to be processed under the driving of the lifting rack 261, so that the inner wall of the steel clip to be processed is internally supported;
the driving motor is started to drive the disc 28 to rotate, the cylindrical pin 281 continuously rotates along with the disc 28, when the cylindrical pin 281 does not enter the radial groove of the grooved pulley 27, the concave locking arc of the grooved pulley 27 is clamped by the concave locking arc of the disc 28, the grooved pulley 27 is not moved, the cylindrical pin 281 just enters the radial groove of the grooved pulley 27, the locking arc is just loosened at the moment, the grooved pulley 27 is driven by the cylindrical pin 281 to rotate, the reciprocating is carried out, the grooved pulley 27 is driven by the cylindrical pin 281 to rotate in a unidirectional intermittent manner, the star-shaped wheel disc 23 coaxially connected with the grooved pulley 27 also synchronously rotates, the star-shaped wheel disc 23 drives the linkage plate 24 to rotate together with the trapezoidal plate 25, the steel beam to be processed is driven to turn over at an intermittent ninety degrees, and after the steel beam to be processed rotates once, the switch of the driving motor is immediately turned off;
rotating a first knob to drive a moving screw rod 322 to rotate, gradually moving a T-shaped sliding plate 323 forwards under the drive of the screw thread of the moving screw rod 322 and the guide effect of a third T-shaped groove 321, driving a supporting platform 33 and an L-shaped plate 34 to synchronously move to the outer side of a steel beam to be processed by the T-shaped sliding plate 323, starting two groups of hydraulic cylinders 351 to drive two groups of fixing plates 358 to synchronously move towards two adjacent side walls of the steel beam to be processed, driving a rotary drill bit 3582 to synchronously move by the cooperation between the movement of the hydraulic cylinders 351 and the rotary drill bit 3582, simultaneously drilling two adjacent side walls of the steel beam to be processed, starting a T-shaped electric sliding block 312 to linearly move left and right along the second T-shaped groove 311 in a reciprocating manner, driving a fixing seat 32, a supporting platform 33 and the L-shaped plate 34 by the T-shaped electric sliding block 312 to synchronously move so as to adjust the drilling position of the steel beam to be processed, when the distance between the holes to be drilled needs to be adjusted, the two-way screw 355 is rotated to rotate, the two groups of cross-shaped plates 356 move oppositely or oppositely under the drive of the screw threads of the two-way screw 355 and the guide action of the guide rod 354, the telescopic rod 357 drives the corresponding rotary drill bit 3582 to move synchronously under the drive of the cross-shaped plates 356, the telescopic rod 357 moves inside the first waist-shaped hole 352 and the second waist-shaped hole 3581 and drives the limiting rod 3584 to move along the limiting groove 3583, so that the position of the rotary drill bit 3582 at the bottom end of the telescopic rod 357 can be adjusted, different positions can be conveniently drilled, the production cost is reduced, and the rotary knob can be locked and fixed by pushing the second T-shaped rod 362 to drive the inserting rod 363 to be inserted into the corresponding circular groove after the first rotary knob is adjusted.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a steel construction crossbeam connection structure preparation is with automatic processing system, includes workstation (10) and offers T type groove (101) at workstation (10) top, its characterized in that: the first T-shaped groove (101) is internally in sliding butt joint with T-shaped sliding blocks (102), the T-shaped sliding blocks (102) are symmetrically arranged in two groups in the left-right direction, a rectangular groove (103) is formed in the position, corresponding to the horizontal section of the T-shaped sliding block (102), of the front end of the workbench (10), and a strip-shaped groove (104) is symmetrically formed in the left-right direction of the top of the rectangular groove (103);
the top of the workbench (10) is provided with a positioning device (20), the positioning device (20) comprises moving plates (21) arranged at the top of a vertical section of the T-shaped sliding block (102), the upper ends of the opposite sides of the two groups of moving plates (21) are respectively and rotatably connected with a rotating shaft (22), one end of each rotating shaft (22) is fixedly connected with a star-shaped wheel disc (23), one end of each star-shaped wheel disc (23) far away from the moving plates (21) is circumferentially distributed with a plurality of groups of connecting rods (231), the tail ends of the plurality of groups of connecting rods (231) are jointly and fixedly connected with a linkage plate (24), a trapezoidal plate (25) is arranged at the position of the linkage plate (24) far away from one end of each connecting rod (231), the two groups of trapezoidal plates (25) are arranged up and down, one side of each linkage plate (24) close to the star-shaped wheel disc (23) is provided with an adjusting mechanism (26), and the tail end of the rotating shaft (22) on the left side penetrates through the side wall of the T-shaped sliding plate (102) and is provided with a grooved wheel mechanism, the sheave mechanism is driven by a transmission motor, and the lower end of the transmission motor is fixedly connected with the side wall of the movable plate (21) through a mounting seat;
the drilling device (30) is arranged at the top of the workbench (10), the drilling device (30) comprises an Contraband-shaped frame (31) which is arranged at the rear end of the top of the workbench (10) and has a downward opening, a second T-shaped groove (311) is formed in the top of a horizontal section of the Contraband-shaped frame (31), a T-shaped electric slider (312) is in sliding butt joint with the inside of the second T-shaped groove (311), a fixed seat (32) is fixedly connected to the top of the T-shaped electric slider (312), a third T-shaped groove (321) is formed in the top of the fixed seat (32), a movable screw (322) is rotatably connected between the front end and the rear end of the third T-shaped groove (321), a T-shaped sliding plate (323) is in threaded joint with the outer wall of the movable screw (322), the T-shaped sliding plate (323) is in sliding butt joint with the inside of the third T-shaped groove (321), one end of the movable screw (322) penetrates through the rear end of the fixed seat (32) and is fixedly connected with a first knob, the top of the T-shaped sliding plate (323) is fixedly connected with a bearing platform (33), an L-shaped plate (34) is welded at the front end of the top of the bearing platform (33), and a distance adjusting mechanism (35) and a locking mechanism (36) are arranged on the side walls of the vertical section and the horizontal section of the L-shaped plate (34).
2. The automated processing system for manufacturing the steel structure beam connecting structure of claim 1, wherein: the left end and the right end of the vertical section of the T-shaped sliding block (102) are symmetrically provided with L-shaped supports (11), the front end and the back end of each L-shaped support (11) are symmetrically provided with two groups, a round roller (12) is rotatably connected between the vertical sections of the two groups of L-shaped supports (11) which are symmetrical in the front and back direction, and the bottom end of each round roller (12) is parallel and level with the bottom end of the horizontal section of the T-shaped sliding block (102).
3. The automated processing system for manufacturing the steel structure beam connecting structure of claim 1, wherein: the top of workstation (10) is provided with supporting mechanism (13), supporting mechanism (13) are including setting up L type bottom plate (131) at workstation (10) top rear end center, lift cylinder (132) are installed to the front end at L type bottom plate (131) horizontal segment top, lift cylinder (132) top fixedly connected with H template (133), bar hole (134) have been seted up to the top front and back symmetry of H template (133) vertical section, it is connected with round bar (135) to rotate jointly between two sets of bar holes (134) of bilateral symmetry, the outer wall of round bar (135) and the fixed cover of inside that is located bar hole (134) are equipped with crotch (136).
4. The automated processing system for manufacturing the steel structure beam connecting structure of claim 3, wherein: both ends rotate through the round pin axle and are connected with stripper plate (137) about round bar (135) one side is kept away from in crotch (136), the lateral wall and the cover that all run through H template (133) to the one end of two sets of round bar (135) are equipped with gear (138), the bottom fixedly connected with T type curb plate (139) of H template (133) lateral wall, the mounting hole has been seted up at the lateral wall center of T type curb plate (139) vertical section, the internally mounted of mounting hole has two-way cylinder (1391), two equal fixedly connected with racks (1392) of removal end of two-way cylinder (1391), two sets of racks (1392) mesh with two sets of gear (138) respectively, both ends symmetry is provided with No. two backup pads (1393) around T type curb plate (139) horizontal segment top, the top of No. two backup pads (1393) contacts with the bottom of a rack (1392).
5. The automated processing system for manufacturing the steel structure beam connecting structure of claim 1, wherein: the lifting mechanism comprises a trapezoidal plate (25), a linkage plate (24), a lifting hole (241) is formed in the center of the side wall of the linkage plate (24), a lifting rod (242) is arranged inside the lifting hole (241) in a sliding mode, and one end of the lifting rod (242) is fixedly connected with the side wall of the trapezoidal plate (25) below.
6. The automated processing system for manufacturing the steel structure beam connecting structure of claim 5, wherein: the adjusting mechanism (26) comprises a lifting rack (261) fixedly connected to the tail end of the lifting rod (242), the side wall of the linkage plate (24) is rotatably connected with a transmission gear (262), the transmission gear (262) is meshed with the lifting rack (261), the length of the transmission gear (262) is larger than that of the lifting rack (261), the front end of the side wall of the linkage plate (24) is provided with an Contraband-type side plate (263), the front end of the Contraband-type side plate (263) is in threaded connection with an adjusting screw (264), the tail end of the adjusting screw (264) penetrates through the rear end of the vertical section of the Contraband-type side plate (263) and is rotatably connected with a connecting block (265) through a bearing, one side, close to the lifting rack (261), of the connecting block (265) is fixedly connected with a moving rack (266), the moving rack (266) is meshed with the transmission gear (262), a first supporting plate (267) is welded on the side wall of the linkage plate (24) and at the position at the bottom end of the moving rack (266), a T-shaped groove is formed in the center of the bottom end of the movable rack (266), a T-shaped rod is in sliding butt joint with the inside of the T-shaped groove, and the bottom end of the vertical section of the T-shaped rod is fixedly connected with the top of a supporting plate (267).
7. The automated processing system for manufacturing the steel structure beam connecting structure of claim 3, wherein: the top of the workbench (10) is provided with a transmission mechanism (29), the transmission mechanism (29) comprises a transmission rack (291) fixedly connected to the front end of the horizontal section of the T-shaped sliding block (102), the bottom end of the rectangular groove (103) is positioned in the strip-shaped groove (104), the transmission rack is symmetrically and rotatably connected with a rotary gear (292), the top of the rotary gear (292) is positioned above the workbench (10), the lower sections of the two groups of rotary gears (292) are respectively meshed with the two groups of transmission racks (291), the front end center of the top of the workbench (10) is provided with a V-shaped rack (293) with a forward opening in a sliding manner, teeth on two sides of the V-shaped rack (293) are respectively meshed with the upper sections of the two groups of rotary gears (292), L-shaped guide blocks (294) are symmetrically arranged on the left and right sides of the top of the workbench (10), a triangular block (295) is fixedly connected to the corner of the top of the V-shaped rack (293) and is positioned at the bottom end of the horizontal section of the L-shaped bottom plate (131), a side support (296) is arranged at the center of the front end of the workbench (10), an electric push rod (297) is installed at the front end of the side support (296), and the moving end of the electric push rod (297) penetrates through the rear end of the side support (296) and is fixedly connected with the front end of the triangular block (295).
8. The automated processing system for manufacturing the steel structure beam connecting structure of claim 1, wherein: the distance adjusting mechanism (35) comprises a hydraulic cylinder (351) installed at the center of the top of a horizontal section of the L-shaped plate (34), a first waist-shaped hole (352) is symmetrically formed in the front end and the rear end of the center of the top of the horizontal section of the L-shaped plate (34), side extension plates (353) are symmetrically arranged at the front end and the rear end of the top of the horizontal section of the L-shaped plate (34), two groups of side extension plates (353) are symmetrically arranged on the left side and the right side, a guide rod (354) is rotatably connected between the two groups of side extension plates (353) on the right side, a two-way screw rod (355) is rotatably connected between the two groups of side extension plates (353) on the left side, one end of the two-way screw rod (355) penetrates through the side wall of one group of side extension plates (353) and is fixedly connected with a second knob (3551), a cross-shaped plate (356) is sleeved on the outer wall of the guide rod (354) and the outer wall of the two-way screw rod (355) together, two groups of cross-shaped plates (356) are symmetrically arranged front and back, and the cross-way of sliding fit is connected between the guide rod (354), and be connected through screw-thread fit's mode between with two-way screw rod (355), the round hole has been seted up at the top center of cross template (356), the internally mounted of round hole has telescopic link (357), telescopic link (357) run through the inside of a waist type hole (352), the removal end of pneumatic cylinder (351) runs through the bottom and fixedly connected with fixed plate (358) of L template (34) horizontal segment, No. two waist type holes (3581) have been seted up to the position that the top of fixed plate (358) corresponds No. one waist type hole (352), the end of telescopic link (357) and the bottom center of fixed plate (358) all are provided with rotary drill bit (3582), No. two waist type holes (3581) control both ends symmetry are provided with spacing groove (3583), the position that the lateral wall that telescopic link (357) removed the end corresponds spacing groove (3583) is provided with gag lever (3584).
9. The automated processing system for manufacturing the steel structure beam connecting structure of claim 8, wherein: the left end and the right end of the L-shaped plate (34) are symmetrically provided with an L-shaped scale plate (341), and the two ends of the horizontal section of the cross-shaped plate (356) are symmetrically provided with pointers (3561).
10. The automated processing system for manufacturing the steel structure beam connecting structure of claim 8, wherein: locking mechanism (36) are including offering No. two T type recess (361) that are close to No. two knob (3551) one side at L template (34) horizontal segment top, the inside slip of No. two T type recess (361) is docked No. two T type pole (362), No. two knob (3551) are close to the one end of No. two T type pole (362) and have been seted up the circular slot, the circular slot is the annular along the outer wall of No. two knob (3551) and distributes, the position that the lateral wall of No. two T type pole (362) vertical section corresponds the circular slot is provided with inserted bar (363).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110750283.1A CN113351910A (en) | 2021-07-02 | 2021-07-02 | Automatic machining system for manufacturing steel structure beam connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110750283.1A CN113351910A (en) | 2021-07-02 | 2021-07-02 | Automatic machining system for manufacturing steel structure beam connecting structure |
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| Publication Number | Publication Date |
|---|---|
| CN113351910A true CN113351910A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110750283.1A Withdrawn CN113351910A (en) | 2021-07-02 | 2021-07-02 | Automatic machining system for manufacturing steel structure beam connecting structure |
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| Country | Link |
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| CN (1) | CN113351910A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310319A (en) * | 2022-03-07 | 2022-04-12 | 丰县飞洋金属制品有限公司 | Automatic forming and drilling machine for steel pipe hoops |
| CN116714904A (en) * | 2023-08-11 | 2023-09-08 | 佛山市沃特测试技术服务有限公司 | Sampling box for food safety detection |
| CN116765462A (en) * | 2023-08-25 | 2023-09-19 | 烟台清洋起重机械有限公司 | End beam drilling and machining balancing device of single-beam crane |
-
2021
- 2021-07-02 CN CN202110750283.1A patent/CN113351910A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310319A (en) * | 2022-03-07 | 2022-04-12 | 丰县飞洋金属制品有限公司 | Automatic forming and drilling machine for steel pipe hoops |
| CN114310319B (en) * | 2022-03-07 | 2022-05-20 | 丰县飞洋金属制品有限公司 | Automatic forming and drilling machine for steel pipe hoops |
| CN116714904A (en) * | 2023-08-11 | 2023-09-08 | 佛山市沃特测试技术服务有限公司 | Sampling box for food safety detection |
| CN116714904B (en) * | 2023-08-11 | 2023-10-27 | 佛山市沃特测试技术服务有限公司 | Sampling box for food safety detection |
| CN116765462A (en) * | 2023-08-25 | 2023-09-19 | 烟台清洋起重机械有限公司 | End beam drilling and machining balancing device of single-beam crane |
| CN116765462B (en) * | 2023-08-25 | 2023-10-20 | 烟台清洋起重机械有限公司 | End beam drilling and machining balancing device of single-beam crane |
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Application publication date: 20210907 |
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