CN114799662A - Steel bow member joint bar welding set - Google Patents
Steel bow member joint bar welding set Download PDFInfo
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- CN114799662A CN114799662A CN202210443456.XA CN202210443456A CN114799662A CN 114799662 A CN114799662 A CN 114799662A CN 202210443456 A CN202210443456 A CN 202210443456A CN 114799662 A CN114799662 A CN 114799662A
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- 238000003466 welding Methods 0.000 title claims abstract description 206
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 75
- 239000010959 steel Substances 0.000 title claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009423 ventilation Methods 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/24—Frameworks
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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 device for a steel arch connecting rib, and belongs to the technical field of welding devices. The steel arch frame connecting rib welding device comprises an axial moving assembly, a rotating assembly, a radial moving assembly and a welding assembly; the axial moving assembly comprises a first slide rail, a first slide block and a first driving mechanism; the rotary component comprises a rotary support, a gear ring, a mounting frame, a gear and a power device, the rotary support is connected with the first sliding block, and the gear is meshed with the gear ring; the radial moving assembly comprises a second slide rail, a second slide block and a second driving mechanism, and the extension direction of the second slide rail is vertical to that of the first slide rail; the welding assembly comprises a mechanism frame, a mechanical arm assembly, a clamping assembly and a welding head. The welding device can realize the movement of the welding assembly with various requirements, so that the welding assembly automatically grabs the connecting ribs and realizes the welding and fixing of the connecting ribs and the steel arch frame, thereby replacing manual welding and overcoming the problems of high labor intensity, low welding efficiency and difficult guarantee of welding quality consistency caused by manual welding.
Description
Technical Field
The invention relates to a welding device for a steel arch connecting rib, and belongs to the technical field of welding devices.
Background
In the construction process of the hard rock heading machine, after the hard rock heading machine is tunneled, a steel arch is required to support, after the steel arch is assembled, a large number of connecting ribs are required to be welded between two steel arches, and the workload is large. At present, the steel arch frame connecting rib is welded manually, the working environment in the tunnel is severe and limited by space, so that the labor intensity is very high, the welding efficiency is low, the consistency of the welding quality is difficult to guarantee, and certain quality safety hazards exist. Meanwhile, the steel arch connecting ribs can generate harmful gases such as ozone, carbon monoxide and the like in the welding process, pollute the air in the tunnel and damage the health of workers.
Disclosure of Invention
The invention aims to provide a welding device for steel arch connecting bars, which solves the problems of high labor intensity, low welding efficiency and difficult guarantee of welding quality consistency caused by manual welding of the existing steel arch connecting bars.
In order to achieve the purpose, the steel arch connecting rib welding device adopts the following technical scheme:
a steel arch connecting rib welding device comprises an axial moving assembly, a rotating assembly, a radial moving assembly and a welding assembly; the axial moving assembly comprises a first slide rail, a first slide block and a first driving mechanism, wherein the first slide rail is fixedly arranged in the tunnel and extends along the front-rear direction; the rotary component comprises a circular or arc rotary support, a gear ring arranged on the inner circumferential surface or the outer circumferential surface of the rotary support, an installation frame clamped outside the rotary support, a gear arranged on the installation frame and a power device for driving the gear to rotate, the rotary support is fixedly connected with the first sliding block so as to synchronously move back and forth along with the first sliding block, and the gear is meshed with the gear ring so as to enable the installation frame to rotate around the rotary support; the radial movement assembly comprises a second slide rail directly or indirectly connected with the mounting rack, a second slide block movably mounted on the second slide rail in a guiding manner and a second driving mechanism driving the second slide block to move, and the extension direction of the second slide rail is vertical to that of the first slide rail; the welding assembly comprises a machine frame directly or indirectly connected with the second sliding block, a mechanical arm assembly and a clamping assembly which are installed on the machine frame, and a welding head installed at the end of the mechanical arm assembly, wherein the clamping assembly is used for clamping a connecting rib to be welded, and the mechanical arm assembly is used for controlling the welding head to move so as to weld and fix the connecting rib and the steel arch.
The beneficial effects of the above technical scheme are that: the invention provides a welding device for a steel arch connecting rib, which comprises an axial moving assembly, a rotating assembly, a radial moving assembly and a welding assembly, wherein the axial moving assembly comprises a first slide rail, a first slide block and a first driving mechanism, and the first slide block can be driven to move back and forth along the first slide rail under the action of the first driving mechanism; the rotary component comprises a circular or arc-shaped rotary support, a gear ring arranged on the inner peripheral surface or the outer peripheral surface of the rotary support, an installation frame clamped outside the rotary support, a gear arranged on the installation frame and a power device for driving the gear to rotate.
The radial movement assembly comprises a second slide rail directly or indirectly connected with the mounting rack, a second slide block mounted on the second slide rail in a guiding movement mode and a second driving mechanism for driving the second slide block to move, the extending direction of the second slide rail is perpendicular to the extending direction of the first slide rail, so that when the mounting rack rotates around the rotary support, the second slide rail can be driven to rotate synchronously, the second driving mechanism can drive the second slide block to move along the second slide rail, the moving direction of the second slide block is perpendicular to the front-back direction, namely the second slide block moves on a tunnel section perpendicular to the tunnel extending direction (the tunnel extending direction is defaulted to be the front-back direction), and the welding assembly is connected with the second slide block, so that the position of the welding assembly on the tunnel section can be adjusted, and welding operation is convenient to achieve.
The welding assembly comprises a machine frame directly or indirectly connected with the second sliding block, a mechanical arm assembly and a clamping assembly which are installed on the machine frame, and a welding head installed at the end of the mechanical arm assembly, wherein the clamping assembly is used for clamping a connecting rib to be welded, and the mechanical arm assembly is used for controlling the welding head to move, so that the connecting rib and the steel arch are welded and fixed.
In summary, the welding device can realize the back and forth movement of the whole welding assembly through the axial moving assembly, can realize the rotation of the whole welding assembly around the center of the tunnel through the rotating assembly, can adjust the position of the welding assembly on the section of the tunnel through the radial moving assembly, can clamp the connecting rib to be welded through the clamping assembly, and can control the movement of a welding head through the mechanical arm assembly.
Further, the steel arch connecting rib welding device further comprises a deflection assembly, the deflection assembly comprises a first swing oil cylinder installed on the installation frame, the axis of a swing shaft of the first swing oil cylinder extends in the front-back direction, and the second slide rail is directly or indirectly connected with the swing shaft of the first swing oil cylinder.
The beneficial effects of the above technical scheme are that: because the axis of the swing shaft of the first swing oil cylinder extends along the front-back direction, the position of the second slide rail on the tunnel section in an overall swing mode can be controlled through the swing shaft of the first swing oil cylinder, and the position of the welding assembly on the tunnel section can be better controlled by combining the movement of the second slide block, so that the position of the welding head can be conveniently adjusted, and the welding efficiency is improved.
Furthermore, the deflection assembly further comprises a second swing oil cylinder, a swing shaft of the first swing oil cylinder is fixedly connected with a cylinder body of the second swing oil cylinder through a first connecting plate, a swing shaft of the second swing oil cylinder is connected with the second slide rail, and the swing shaft of the second swing oil cylinder is perpendicular to the second slide rail and the swing shaft of the first swing oil cylinder.
The beneficial effects of the above technical scheme are that: the swing shaft of the second swing oil cylinder is connected with the second slide rail, and the swing shaft of the second swing oil cylinder is perpendicular to the second slide rail and the swing shaft of the first swing oil cylinder, so that the swing shaft of the second swing oil cylinder can control the whole forward and backward swing of the second slide rail, the position of the welding assembly is adjusted more accurately, the position of the welding assembly is changed on the section of the tunnel, and the welding efficiency is improved.
Further, the welding assembly further comprises an exhaust gas suction pipe which is arranged beside the welding head and used for sucking exhaust gas generated by welding.
The beneficial effects of the above technical scheme are that: the tail gas suction tube is installed at the soldered connection side, can suck the tail gas that produces among the welding process, avoids harmful gas such as ozone, carbon monoxide to diffuse in the tunnel, guarantees the interior air health safety of tunnel, and then ensures workman's health.
Further, the welding assembly further comprises a double-contact travel switch installed at the end of the mechanical arm assembly, the double-contact travel switch comprises a first contact used for firstly contacting with the side wall of the steel arch to control the welding head to start welding, and the double-contact travel switch further comprises a second contact used for secondly contacting with the middle wall of the steel arch to control the welding head to stop welding.
The beneficial effects of the above technical scheme are that: through setting up double contact travel switch, utilize two contacts of double contact travel switch, can the automatic control soldered connection start welding and stop welding, degree of automation is higher, and control is simple and convenient more, can improve welding efficiency.
Further, a timer is integrated on the welding head and used for recording the time from the welding start to the welding stop of the welding head.
The beneficial effects of the above technical scheme are that: the automatic welding operation of the welding head can be better controlled by the time recorded by the timer.
Furthermore, the welding assembly further comprises a main swing oil cylinder, a swing shaft of the main swing oil cylinder is fixedly connected with the mechanism frame through a second connecting plate, a cylinder body of the main swing oil cylinder is fixedly connected with a second sliding block, and the swing shaft of the main swing oil cylinder is parallel to a second sliding rail.
The beneficial effects of the above technical scheme are that: the swing shaft of the main swing oil cylinder is fixedly connected with the mechanism frame through the second connecting plate, the cylinder body of the main swing oil cylinder is fixedly connected with the second sliding block, and the swing shaft of the main swing oil cylinder is parallel to the second sliding rail, so that the swing of the whole mechanism frame can be controlled through the swing shaft of the main swing oil cylinder, the clamping assembly can conveniently grab the connecting ribs, the connecting ribs can conveniently enter between the two steel arches, and the control flexibility is improved.
Further, the mechanical arm assembly comprises a third swing oil cylinder and a fourth swing oil cylinder, a swing shaft of the third swing oil cylinder is fixedly connected with a cylinder body of the fourth swing oil cylinder through a third connecting plate, the swing shaft of the fourth swing oil cylinder is provided with a fourth connecting plate, the welding head is arranged on the fourth connecting plate, and the swing shafts of the third swing oil cylinder and the fourth swing oil cylinder are both used for being parallel to the connecting ribs; the mechanical arm assembly further comprises a third slide rail fixed on the machine frame, a third slide block installed on the third slide rail in a guiding and moving mode, and a third driving mechanism driving the third slide block to move, the third slide rail is parallel to a swing shaft of a third swing oil cylinder, and a cylinder body of the third swing oil cylinder is fixedly connected with the third slide block.
The beneficial effects of the above technical scheme are that: the position of a welding head can be conveniently adjusted through the third swing oil cylinder and the fourth swing oil cylinder, the welding head can be rapidly moved to a welding position, meanwhile, a cylinder body of the third swing oil cylinder is fixedly connected with the third sliding block, and the third swing oil cylinder can be driven to translate along the length extending direction of the connecting rib through the third sliding block, so that a welding seam is welded between the connecting rib and the steel arch frame, and the welding effect and the welding quality are guaranteed.
Furthermore, two sets of mechanical arm assemblies are arranged on one mechanism frame symmetrically, and the welding heads are mounted at the end parts of the mechanical arm assemblies so as to weld the two ends of the connecting ribs simultaneously.
The beneficial effects of the above technical scheme are that: the mechanical arm assemblies arranged symmetrically can weld the two ends of the connecting rib simultaneously, the welding operation is simpler and more convenient, and the welding efficiency can be improved.
Further, the centre gripping subassembly includes the fixed plate with framework fixed connection, the fixed plate has the first terminal surface and the second terminal surface that set up back to the back mutually, the centre gripping subassembly is still including the removal axle that runs through the fixed plate, fix on the first terminal surface of fixed plate and the flexible actuating mechanism that links to each other through the first end of fifth connecting plate with the removal axle, articulate on the second terminal surface of fixed plate and two centre gripping arms of symmetrical arrangement in removal axle both sides, articulate the connecting rod between the second end and two centre gripping arm middle parts at the removal axle respectively, the one end of keeping away from the fixed plate of two centre gripping arms is provided with the draw-in groove that is used for blocking the splice bar respectively.
The beneficial effects of the above technical scheme are that: can drive through flexible actuating mechanism and fifth connecting plate and remove axle along its axial displacement, and then drive and articulate two connecting rods that remove axle second end and remove, because the connecting rod is articulated with centre gripping arm middle part, two centre gripping arms are symmetrically arranged in removing a both sides, consequently can drive two centre gripping arms closed or open to realize cliping or loosening of splice bar, operation and control are more convenient.
Drawings
FIG. 1 is a front view of the steel arch connecting rib welding device of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a top view of the rotating assembly, the deflecting assembly, the radial moving assembly and the welding assembly in the steel arch connecting rib welding device of the present invention;
FIG. 4 is a side view of the steel arch connecting rib welding device of the present invention;
FIG. 5 is a structural diagram of a welding assembly in the steel arch connecting rib welding device of the present invention;
FIG. 6 is a top view of the structure shown in FIG. 5;
FIG. 7 is a block diagram of the robot arm assembly of FIG. 5;
FIG. 8 is a top view of the structure shown in FIG. 7;
FIG. 9 is a block diagram of the holder assembly of FIG. 5;
FIG. 10 is a top view of the structure shown in FIG. 9;
FIG. 11 is a perspective view showing a state of use of a welding assembly in the steel arch connecting rib welding apparatus according to the present invention;
FIG. 12 is a schematic view of the first contact of the two-contact travel switch of the steel arch connecting rib welding device of the present invention contacting the side wall of the steel arch;
fig. 13 is a schematic diagram of the first contact of the double-contact travel switch in the steel arch connecting rib welding device contacting the middle wall of the steel arch.
In the figure: 1. an axial movement assembly; 11. a first drive cylinder; 12. a first slide rail; 13. a first slider; 2. a swivel assembly; 21. a rotary support; 22. a ring gear; 23. a power plant; 24. a gear; 25. a mounting frame; 3. a deflection assembly; 31. a first swing cylinder; 32. a first connecting plate; 33. a second swing cylinder; 4. a radial movement assembly; 41. a second driving oil cylinder; 42. a second slider; 43. a second slide rail; 5. welding the assembly; 51. a main swing cylinder; 52. a frame; 521. a first mechanism board; 522. a second mechanism plate; 53. a mechanical arm assembly; 531. a third swing cylinder; 532. a third connecting plate; 533. a fourth swing cylinder; 534. a fourth connecting plate; 535. a third driving oil cylinder; 536. a third slide rail; 537. a third slider; 54. a clamping assembly; 541. a fifth connecting plate; 542. a telescopic driving mechanism; 543. a movable shaft; 544. a fixing plate; 545. connecting blocks; 546. a connecting rod; 547. a clamp arm; 548. a card slot; 55. welding a head; 56. a tail gas suction pipe; 57. a second connecting plate; 58. a double-contact travel switch; 581. a first contact; 582. a second contact; 59. a timer; 6. placing a platform; 7. connecting ribs; 8. a steel arch frame; 81. a side wall; 82. an intermediate wall; 9. and (4) tunneling.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …," or the like, does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
One embodiment of the steel arch connecting rib welding device of the invention is shown in fig. 1 and comprises an axial moving assembly 1, a rotating assembly 2, a deflecting assembly 3, a radial moving assembly 4 and a welding assembly 5.
As shown in fig. 1 and 4, the axial moving assembly 1 includes a first slide rail 12 fixedly disposed in the tunnel 9 and extending in a front-back direction (that is, an extending direction of the first slide rail 12 is the same as an extending direction of the tunnel 9), a first slide block 13 movably guided on the first slide rail 12, and a first driving mechanism for driving the first slide block 13 to move, where the first driving mechanism in this embodiment is a first driving cylinder 11, and an expansion rod of the first driving cylinder 11 is connected to the first slide block 13. In addition, in this embodiment, the axial moving assemblies 1 are provided with four axially moving assemblies, and two axially moving assemblies are arranged symmetrically.
As shown in fig. 2, 3 and 4, two slewing assemblies 2 are provided, each slewing assembly 2 comprises a circular arc slewing support 21, a gear ring 22 arranged on the outer circumferential surface of the slewing support 21, an installation frame 25 clamped outside the slewing support 21, a gear 24 arranged on the installation frame 25 and a power device 23 for driving the gear 24 to rotate, the two slewing supports 21 are arranged in bilateral symmetry, the left slewing support 21 is fixedly connected with the left group of first sliders 13, and the right slewing support 21 is fixedly connected with the right group of first sliders 13, so that the slewing supports 21 can synchronously move back and forth along with the first sliders 13. The power unit 23 is a motor, and the gear 24 is engaged with the gear ring 22, so that when the gear 24 is driven by the power unit 23 to rotate, the gear 24 can drive the mounting frame 25 to rotate around the rotary support 21.
As shown in fig. 2, 3 and 4, the deflector assembly 3 includes a first swing cylinder 31 mounted on the mounting frame 25, and a swing shaft axis of the first swing cylinder 31 extends in the front-rear direction. The deflection assembly 3 further comprises a second swing oil cylinder 33, the swing axis of the second swing oil cylinder 33 is perpendicular to the swing axis of the first swing oil cylinder 31, the swing axis of the first swing oil cylinder 31 is fixedly connected with the cylinder body of the second swing oil cylinder 33 through a first connecting plate 32, and the swing axis of the first swing oil cylinder 31 can drive the first connecting plate 32 and the second swing oil cylinder 33 to integrally swing on a tunnel section perpendicular to the extending direction of the tunnel.
As shown in fig. 1, fig. 3 and fig. 4, the radial moving assembly 4 includes a second slide rail 43, a second slide block 42 installed on the second slide rail 43 in a guiding and moving manner, and a second driving mechanism for driving the second slide block 42 to move, in this embodiment, the second driving mechanism is a second driving cylinder 41, and a telescopic rod of the second driving cylinder 41 is connected to the second slide block 42. The second slide rail 43 is connected to the swing shaft of the second swing cylinder 33, the extending direction of the second slide rail 43 is perpendicular to the extending direction of the first slide rail 12, and the extending direction of the second slide rail 43 is also perpendicular to the axial direction of the swing shaft of the second swing cylinder 33, so that the swing shaft of the second swing cylinder 33 can control the second slide rail 43 to swing back and forth, the second slide rail 43 is indirectly connected to the swing shaft of the first swing cylinder 31 through the second swing cylinder 33 and the first connection plate 32, that is, the second slide rail 43 is indirectly connected to the mounting frame 25 through the deflection assembly 3.
As shown in fig. 5 and 6, the welding assembly 5 includes a main swing cylinder 51, a mechanism frame 52, a mechanical arm assembly 53 and a clamping assembly 54 mounted on the mechanism frame 52, and a welding head 55 and an exhaust gas suction pipe 56 mounted on an end of the mechanical arm assembly 53, wherein a cylinder body of the main swing cylinder 51 is fixedly connected to the second slide block 42, a swing axis of the main swing cylinder 51 is parallel to the second slide rail 43, and the swing axis of the main swing cylinder 51 is fixedly connected to the mechanism frame 52 through a second connection plate 57, so that the mechanism frame 52 is indirectly connected to the second slide block 42 through the second connection plate 57, and the entire main swing cylinder 51 and the mechanism frame 52 can move along the second slide rail 43 with the second slide block 42, and the swing axis of the main swing cylinder 51 can swing the mechanism frame 52 through the second connection plate 57.
The robot arm assembly 53 is used to control the movement of the welding head 55, as shown in fig. 7, 8 and 11, the robot arm assembly 53 includes a third swing cylinder 531 and a fourth swing cylinder 533, a swing shaft of the third swing cylinder 531 is fixedly connected to a cylinder body of the fourth swing cylinder 533 through a third connection plate 532, a fourth connection plate 534 is mounted on the swing shaft of the fourth swing cylinder 533, and the welding head 55 and the exhaust gas suction pipe 56 are mounted on the fourth connection plate 534. The swing axes of the third swing cylinder 531 and the fourth swing cylinder 533 are both parallel to the connecting rib 7 to be welded, and the position of the welding head 55 can be conveniently adjusted by the third swing cylinder 531 and the fourth swing cylinder 533, so that the welding head 55 can be rapidly moved to the welding position.
As shown in fig. 7, 8 and 11, the mechanism frame 52 includes a first mechanism plate 521 and a second mechanism plate 522 which are vertically connected, the robot arm assembly 53 further includes a third slide rail 536 fixed on the first mechanism plate 521, a third slide block 537 movably guided and mounted on the third slide rail 536, and a third driving mechanism for driving the third slide block 537 to move, in this embodiment, the third driving mechanism is a third driving cylinder 535, and a telescopic rod of the third driving cylinder 535 is connected to the third slide block 537. The third slide rail 536 is parallel to the swing shaft of the third swing cylinder 531, that is, the extending direction of the third slide rail 536 is the same as the axial direction of the swing shaft of the third swing cylinder 531, and the cylinder body of the third swing cylinder 531 is fixedly connected to the third slider 537, so that under the action of the third driving cylinder 535, the third swing cylinder 531, the third connecting plate 532, the fourth swing cylinder 533, the fourth connecting plate 534, the welding head 55 and the tail gas suction pipe 56 can integrally move along the length extending direction of the connecting rib 7, and further the welding head 55 can weld a welding seam between the connecting rib 7 and the steel arch 8, thereby realizing the welding fixation of the third swing cylinder 531, the third connecting plate 532, the fourth swing cylinder 533, the fourth connecting plate 534 and the tail gas suction pipe 56.
An exhaust gas suction pipe 56 is installed at the side of the welding head 55 for sucking the exhaust gas generated during the welding process. As shown in fig. 5, 7 and 11, two sets of robot arm assemblies 53 are symmetrically arranged on one mechanism frame 52, and the welding head 55 and the exhaust gas suction pipe 56 are mounted at the end of each robot arm assembly 53, so that the two ends of the connecting rib 7 can be welded at the same time, and the exhaust gas can be sucked at the same time.
As shown in fig. 6 and 11, the welding assembly 5 further includes a dual-contact travel switch 58 mounted at the end of the arm assembly 53, as shown in fig. 12 and 13, the dual-contact travel switch 58 includes a first contact 581 for first contacting the side wall 81 of the steel arch 8 to control the welding head 55 to start welding, and further includes a second contact 582 for later contacting the middle wall 82 of the steel arch 8 to control the welding head 55 to stop welding, and the welding head 55 can be automatically controlled to start welding and stop welding by using the two contacts of the dual-contact travel switch 58, so that the degree of automation is high, the control is simple and convenient, and the welding efficiency can be improved. As shown in fig. 6, a timer 59 is integrated with the welding head 55, and the timer 59 is used for recording the time from the start of welding to the stop of welding of the welding head 55, so as to better control the automatic welding operation of the welding head 55.
The clamping assembly 54 is used for clamping the connecting rib 7 to be welded, as shown in fig. 9 and 10, the clamping assembly 54 includes a fixing plate 544 fixedly connected to the second mechanism plate 522 of the mechanism frame 52, and the fixing plate 544 has a first end face and a second end face which are opposite to each other and face the connecting rib 7. The clamping assembly 54 further includes a moving shaft 543 penetrating through the fixing plate 544, a telescopic driving mechanism 542 fixed on the first end surface of the fixing plate 544 and connected to the first end of the moving shaft 543 through a fifth connecting plate 541, two clamping arms 547 hinged to the second end surface of the fixing plate 544 and symmetrically disposed on both sides of the moving shaft 543, and a connecting rod 546 hinged between the second end of the moving shaft 543 and the middle of the two clamping arms 547.
Specifically, the second end of the moving shaft 543 is provided with a connecting block 545, and both connecting rods 546 are hinged to the connecting block 545. As shown in fig. 9, two sets of moving shafts 543, holding arms 547, and links 546 are provided, and the fifth connecting plate 541 is shaped like a "zigzag" and is connected to first ends of the two moving shafts 543. The telescopic driving mechanism 542 can be a hydraulic cylinder, an air cylinder or an electric push rod, the telescopic rod of the telescopic driving mechanism is connected with the fifth connecting plate 541, the fifth connecting plate 541 can simultaneously drive the two moving shafts 543 to move, and then the connecting rod 546 drives the two clamping arms 547 to rotate, so that the closing or the opening is realized. The ends of the two clamping arms 547 that are away from the fixing plate 544 are respectively provided with a clamping groove 548 for clamping the connecting bar 7, so that the clamping or releasing of the connecting bar 7 can be realized.
The working principle of the steel arch connecting rib welding device is as follows:
when the device is used, the first driving oil cylinder 11 pushes the first sliding block 13 to move along the first sliding rail 12 in the axial direction, so that the whole body of the rotary component 2, the deflection component 3, the radial moving component 4 and the welding component 5 moves back and forth; the power device 23 realizes the meshing rotation with the gear ring 22 through the driving gear 24, and further realizes the integral rotation of the mounting frame 25, the deflection component 3, the radial movement component 4 and the welding component 5; the welded assembly 5 is moved to the placing platform 6 of the connecting bar to grab the connecting bar 7. Then, the connecting rib 7 is placed between steel frameworks to be welded through the axial moving assembly 1 and the rotating assembly 2, the first swing oil cylinder 31 in the deflection assembly 3 is used for realizing the integral swing of the radial moving assembly 4 and the welding assembly 5, the angle adjustment is realized through the second swing oil cylinder 33, the radial moving assembly 4 and the welding assembly 5 are guaranteed to swing on the section of the tunnel, and the connecting rib 7 is moved to a proper position. Then, the main swing cylinder 51 rotates a certain angle to enable the connecting steel bar 7 to enter between the two steel arches 8, then the main swing cylinder 51 is aligned, and the clamping assembly 54 moves forward to be close to the steel arches 8.
Then, the welding head 55 is aligned with the welding position on the side of the connecting rib 7 by the swing adjustment of the third swing cylinder 531 and the fourth swing cylinder 533 in the robot arm assembly 53. The third driving cylinder 535 in the robot arm assembly 53 pushes the third swing cylinder 531 to move linearly along the third sliding rail 536, when the first contact 581 of the two-contact travel switch 58 touches the side wall 81 of the steel arch 8, the welding head 55 and the exhaust suction pipe 56 are started to start welding and exhausting operations, when the second contact 582 of the two-contact travel switch 58 touches the middle wall 82 of the steel arch 8, the third driving cylinder 535, the welding head 55 and the exhaust suction pipe 56 stop working, and the timer 59 records the working time.
Then, the welding head 55 is aligned to the welding position on the other side of the connecting rib 7 through the swing adjustment of the third swing oil cylinder 531 and the fourth swing oil cylinder 533, the mechanical arm assembly 53 retracts to the original position in the opposite direction, the welding head 55 and the tail gas suction pipe 56 automatically stop after working for the same time, and finally the clamping assembly 54 loosens the connecting rib 7. And (5) grabbing the connecting ribs 7 again by using the corresponding motion mechanism, and repeating the work.
Of course, the steel arch connecting rib welding device is not limited to the above operation steps in practical application, and specific action steps can be adaptively adjusted on the premise that the requirements can be met by using the current structural setting according to the movement effect required.
In summary, the welding device provided by the invention realizes the whole forward and backward movement of the welding assembly through the axial moving assembly, realizes the rotation around the center of the tunnel through the rotating assembly, realizes the adjustment of radial and axial deflection angles through the deflection assembly, realizes the adjustment of the position on the section of the tunnel through the radial moving assembly, realizes the clamping of the connecting rib through the clamping assembly, and controls the movement of the welding head through the mechanical arm assembly. Meanwhile, the tail gas suction pipe is adopted to suck the tail gas generated in the welding process, so that harmful gases such as ozone, carbon monoxide and the like are prevented from being diffused in the tunnel, the air in the tunnel is ensured to be healthy and safe, and the health of workers is further ensured.
In other embodiments of the steel arch connecting rib welding device: the clamping assembly can be in other forms of clamping structures, such as clamping is realized by directly utilizing the air cylinder to drive the clamping jaw, and the clamping structure is not in the form of a movable shaft and a connecting rod.
In other embodiments of the steel arch connecting rib welding device: only one mechanical arm assembly is arranged on one mechanism frame, and at the moment, after one end of each connecting rib is welded, the welding head needs to rotate 180 degrees, and then the other end of each connecting rib is welded.
In other embodiments of the steel arch connecting rib welding device: the mechanical arm assembly can also only have one swing oil cylinder or more than three swing oil cylinders, and when the number of the swing oil cylinders is increased, the adjustment flexibility is higher, but the structure is more complex.
In other embodiments of the steel arch connecting rib welding device: the welding assembly does not comprise a main swing oil cylinder, the mechanism frame is directly and fixedly connected with the second sliding block, and at the moment, the mechanism frame cannot rotate integrally, so that the connecting ribs on the placing platform are required to be placed into a state of being capable of directly moving between two steel arch frames after being grabbed.
In other embodiments of the steel arch connecting rib welding device: when the position of the welding head is adjusted to the welding of the other side of the welding seam, the welding head can be controlled to move to the initial position, and then the two contacts of the double-contact travel switch are used for controlling whether the welding head works or not again.
In other embodiments of the steel arch connecting rib welding device: the welding assembly does not comprise a double-contact travel switch, a camera is arranged on the mechanical arm assembly, and an operator controls whether the welding head works or not through a remote monitoring picture.
In other embodiments of the steel arch connecting rib welding device: the welding assembly does not comprise a tail gas suction pipe, namely the welding device for the steel arch connecting rib only solves the problems of high labor intensity, low welding efficiency and difficult guarantee of welding quality consistency caused by manual welding, and the problem of harmful gas can be automatically dissipated after natural ventilation in the tunnel for a period of time or an air draft device is additionally arranged for suction.
In other embodiments of the steel arch connecting rib welding device: the deflection assembly does not comprise a second swing oil cylinder, the second slide rail is directly connected with the swing shaft of the first swing oil cylinder, and the whole radial movement assembly and the welding assembly can move on the section of the tunnel vertical to the extending direction of the tunnel through machining precision and assembling precision without adjusting the axial deflection angle of the radial movement assembly and the welding assembly.
In other embodiments of the steel arch connecting rib welding device: the steel arch frame connecting rib welding device does not comprise a deflection assembly, the second sliding rail is directly connected with the mounting frame at the moment, the radial deflection angle of the radial moving assembly and the radial deflection angle of the welding assembly cannot be adjusted, and the position of the welding assembly on the section of the tunnel perpendicular to the extending direction of the tunnel is adjusted through the matching of the rotation assembly and the radial moving assembly.
In other embodiments of the steel arch connecting rib welding device: the first driving mechanism, the second driving mechanism and the third driving mechanism can be air cylinders or electric push rods.
In other embodiments of the steel arch connecting rib welding device: the ring gear may also be provided on the inner peripheral surface of the slewing support.
In other embodiments of the steel arch connecting rib welding device: the slewing bearing can also be in a ring shape, the slewing bearing and the tunnel are concentrically arranged, and at the moment, two sets of deflection assemblies, radial movement assemblies and welding assemblies can still be arranged to ensure the welding efficiency, and only one set of deflection assemblies, radial movement assemblies and welding assemblies can be arranged.
In other embodiments of the steel arch connecting rib welding device: the power unit driving the rotation of the gear may also be a hydraulic motor or a pneumatic motor.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. The utility model provides a steel bow member splice bar welding set which characterized in that: the device comprises an axial moving assembly (1), a rotating assembly (2), a radial moving assembly (4) and a welding assembly (5); the axial moving assembly (1) comprises a first sliding rail (12) which is fixedly arranged in the tunnel (9) and extends along the front-back direction, a first sliding block (13) which is installed on the first sliding rail (12) in a guiding and moving mode, and a first driving mechanism which drives the first sliding block (13) to move; the rotary component (2) comprises a circular or arc rotary support (21), a gear ring (22) arranged on the inner circumferential surface or the outer circumferential surface of the rotary support (21), an installation frame (25) clamped outside the rotary support (21), a gear (24) arranged on the installation frame (25) and a power device (23) for driving the gear (24) to rotate, the rotary support (21) is fixedly connected with the first slider (13) so as to synchronously move back and forth along with the first slider (13), and the gear (24) is meshed with the gear ring (22) so as to enable the installation frame (25) to rotate around the rotary support (21); the radial movement assembly (4) comprises a second slide rail (43) directly or indirectly connected with the mounting frame (25), a second sliding block (42) installed on the second slide rail (43) in a guiding movement mode, and a second driving mechanism for driving the second sliding block (42) to move, and the extending direction of the second slide rail (43) is perpendicular to the extending direction of the first slide rail (12); the welding assembly (5) comprises a machine frame (52) directly or indirectly connected with the second sliding block (42), a mechanical arm assembly (53) and a clamping assembly (54) which are installed on the machine frame (52), and a welding head (55) which is installed at the end part of the mechanical arm assembly (53), wherein the clamping assembly (54) is used for clamping the connecting rib (7) to be welded, and the mechanical arm assembly (53) is used for controlling the welding head (55) to move so as to weld and fix the connecting rib (7) and the steel arch (8).
2. The steel arch connecting rib welding device according to claim 1, wherein: the steel arch frame connecting rib welding device further comprises a deflection assembly (3), the deflection assembly (3) comprises a first swing oil cylinder (31) installed on the installation frame (25), the axis of a swing shaft of the first swing oil cylinder (31) extends along the front-back direction, and a second sliding rail (43) is directly or indirectly connected with the swing shaft of the first swing oil cylinder (31).
3. The steel arch connecting rib welding device according to claim 2, wherein: the deflection assembly (3) further comprises a second swing oil cylinder (33), the swing shaft of the first swing oil cylinder (31) is fixedly connected with the cylinder body of the second swing oil cylinder (33) through a first connecting plate (32), the swing shaft of the second swing oil cylinder (33) is connected with a second sliding rail (43), and the swing shaft of the second swing oil cylinder (33) is perpendicular to the second sliding rail (43) and the swing shaft of the first swing oil cylinder (31).
4. The steel arch connecting rib welding device according to any one of claims 1 to 3, wherein: the welding assembly (5) further comprises an exhaust gas suction pipe (56) which is arranged beside the welding head (55) and is used for sucking exhaust gas generated by welding.
5. The steel arch connecting rib welding device according to any one of claims 1 to 3, wherein: the welding assembly (5) further comprises a double-contact travel switch (58) mounted at the end of the mechanical arm assembly (53), the double-contact travel switch (58) comprises a first contact (581) used for firstly contacting with the side wall (81) of the steel arch (8) to control the welding head (55) to start welding, and the double-contact travel switch (58) further comprises a second contact (582) used for secondly contacting with the middle wall (82) of the steel arch (8) to control the welding head (55) to stop welding.
6. The steel arch connecting rib welding device according to claim 5, wherein: a timer (59) is integrated on the welding head (55), and the timer (59) is used for recording the time from the welding start to the welding stop of the welding head (55).
7. The steel arch connecting rib welding device according to any one of claims 1 to 3, wherein: the welding assembly (5) further comprises a main swing oil cylinder (51), a swing shaft of the main swing oil cylinder (51) is fixedly connected with the mechanism frame (52) through a second connecting plate (57), a cylinder body of the main swing oil cylinder (51) is fixedly connected with the second sliding block (42), and the swing shaft of the main swing oil cylinder (51) is parallel to the second sliding rail (43).
8. The steel arch connecting rib welding device according to any one of claims 1 to 3, wherein: the mechanical arm assembly (53) comprises a third swing oil cylinder (531) and a fourth swing oil cylinder (533), a swing shaft of the third swing oil cylinder (531) is fixedly connected with a cylinder body of the fourth swing oil cylinder (533) through a third connecting plate (532), a fourth connecting plate (534) is installed on the swing shaft of the fourth swing oil cylinder (533), the welding head (55) is installed on the fourth connecting plate (534), and the swing shafts of the third swing oil cylinder (531) and the fourth swing oil cylinder (533) are both used for being parallel to the connecting rib (7); the mechanical arm assembly (53) further comprises a third slide rail (536) fixed on the machine frame (52), a third slide block (537) movably installed on the third slide rail (536) in a guiding mode and a third driving mechanism driving the third slide block (537) to move, the third slide rail (536) is parallel to a swing shaft of a third swing oil cylinder (531), and a cylinder body of the third swing oil cylinder (531) is fixedly connected with the third slide block (537).
9. The steel arch connecting rib welding device according to claim 8, wherein: two sets of mechanical arm assemblies (53) on one mechanism frame (52) are symmetrically arranged, and the welding heads (55) are installed at the end parts of the mechanical arm assemblies (53) so as to weld the two ends of the connecting rib (7) at the same time.
10. The steel arch connecting rib welding device according to any one of claims 1 to 3, wherein: the clamping assembly (54) comprises a fixing plate (544) fixedly connected with the machine frame (52), the fixing plate (544) is provided with a first end face and a second end face which are arranged in a back-to-back mode, the clamping assembly (54) further comprises a moving shaft (543) penetrating through the fixing plate (544), a telescopic driving mechanism (542) which is fixed on the first end face of the fixing plate (544) and connected with the first end of the moving shaft (543) through a fifth connecting plate (541), two clamping arms (547) which are hinged to the second end face of the fixing plate (544) and symmetrically arranged on two sides of the moving shaft (543), and connecting rods (546) which are respectively hinged to the second end of the moving shaft (543) and the middle portions of the two clamping arms (547), and clamping grooves (548) used for clamping connecting ribs (7) are respectively arranged at one ends, far away from the fixing plate (544), of the two clamping arms (547).
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