CN116984808B - Steel welding anti-falling structure for bridge steel structure platform descent control device - Google Patents
Steel welding anti-falling structure for bridge steel structure platform descent control device Download PDFInfo
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- CN116984808B CN116984808B CN202311239904.5A CN202311239904A CN116984808B CN 116984808 B CN116984808 B CN 116984808B CN 202311239904 A CN202311239904 A CN 202311239904A CN 116984808 B CN116984808 B CN 116984808B
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- 238000003466 welding Methods 0.000 title claims abstract description 85
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 15
- 238000005498 polishing Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000005485 electric heating Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 239000003517 fume Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000006578 abscission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to the technical field of bridge welding construction, and particularly relates to a steel welding anti-drop structure for a bridge steel structure platform descent control device. According to the invention, the stand column and the construction platform can be fixed in advance before welding, the anti-falling effect is achieved in a pre-fixing mode, foreign matters such as oxide skin and the like at the welding position of the stand column and the construction platform can be removed before welding, meanwhile, after welding, phenomena such as cold joint, incomplete welding and cracking of a welding seam can be monitored, the defect position of the welding seam can be rapidly positioned, hidden danger of falling of the welding seam can be eliminated in advance, the anti-falling effect of a steel welding point is obviously and effectively improved, and the high-altitude construction safety of a bridge is improved.
Description
Technical Field
The invention belongs to the technical field of bridge welding construction, and particularly relates to a steel welding anti-falling structure for a bridge steel structure platform descent control device.
Background
In bridge construction, after a bridge body main body, a bridge pier and the like are installed, the side surface and the bottom of the bridge body are required to be coated, overhauled and maintained through a hanging basket type construction platform, and in the construction process, the height of the hanging basket type construction platform is required to be adjusted within a certain range because the height of the bridge body is required to be different, in order to prevent the phenomenon that constructors and construction materials are unstable due to the too high lifting speed of the hanging basket type construction platform, the construction platform is required to be lifted to a preset position through large lifting equipment when the hanging basket type construction platform is installed, and then the construction platform and a descent control device are welded and fixed;
at present, the construction platform and the upright post of the descent control device are generally fixed through welding, so that the welding convenience is improved, the falling phenomenon is prevented, the construction platform and the upright post are convenient to stably butt joint, a welding falling-preventing structure is generally added between the upright post and the construction platform before formal welding, and the steel welding falling-preventing structure for the road and bridge steel structure is disclosed in patent publication No. CN 110549051B;
however, when using, because construction platform's whole weight is heavier, in the welding process, still be that handling equipment has born construction platform's most gravity, after the welding is accomplished, after the handling end of handling equipment breaks away from with construction platform, if when the phenomenon that the welding seam fracture drops appears, anti-drop structure probably can not bear construction platform and the weight of building material and personnel on the platform, the safety in utilization still is not enough, and anti-drop structure just through the mode of pre-fixing, improve the stability between two steel members before welding, reach the purpose of anti-drop before welding, but still unable obvious effectual improvement steel welding point anti-drop's effect, in subsequent use, still there is steel member possibility that drops.
Disclosure of Invention
The invention aims to solve the problems and provides a steel welding anti-falling structure for a bridge steel structure platform descent control device.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the steel welding anti-drop structure for the bridge steel structure platform slow-descent device comprises a construction platform and a plurality of upright posts, wherein anti-drop mechanisms are installed at the positions of the construction platform, which are positioned on one side of each upright post, and two adjacent anti-drop mechanisms are fixedly connected with a connecting bottom plate together;
each anticreep mechanism all includes the L shape base that sets up in construction platform downside, and the one end and the tip fixed connection of homonymy connection bottom plate of L shape base, the lateral wall integrated into one piece of L shape base is provided with the extension board, and L shape base passes through extension board and construction platform joint setting, the lateral wall integrated into one piece of L shape base is provided with the triangle protrusion, and the locking subassembly is installed jointly with the pole wall of homonymy stand to the protruding tip of triangle, the lateral wall integrated into one piece of extension board is provided with the outer loop, and the inner wall rotation of outer loop is connected with the expansion loop, the inner wall of expansion loop installs and clears away the subassembly, the terminal surface of triangle protrusion is installed and is used for driving the pivoted actuating assembly of expansion loop, the terminal surface of construction platform has been seted up with the corresponding preformed hole in stand position, L shape air cavity has been seted up to the inside of L shape base, and the inlet port that is linked together with the preformed hole has been seted up to L shape air cavity, the lateral wall of L shape base installs the gas supply module that is linked together with L shape air cavity, the welding subassembly that is linked together with L shape air cavity, the protruding monitoring device that is linked together with the triangle protrusion, the tip is installed to the triangle that the triangle is linked together with the controller.
Preferably, the locking assembly comprises a fixed locking block integrally formed at the end part of the triangular bulge, one side of the fixed locking block is provided with a movable half-arc block, and the movable half-arc block and the fixed locking block are fastened and installed together through bolts and nuts.
Preferably, the cleaning assembly comprises a diaphragm which is detachably arranged on the inner wall of the movable ring, an arc-shaped block is fixedly arranged at the end part of the diaphragm, polishing steel wire sleeves are fixedly sleeved at two ends of the side wall of the arc-shaped block, and the outer side walls of the polishing steel wire sleeves are propped against the side wall of the same side upright post and the end face of the construction platform.
Preferably, the driving assembly comprises a gear motor fixedly installed on the lower end face of the triangular bulge, the output end of the gear motor is in transmission connection with a movable gear, the movable gear is meshed with the outer side wall of the movable ring, and the gear motor is electrically connected with the controller.
Preferably, the air supply assembly comprises an air pump arranged on the outer side wall of the L-shaped base, an air pipe is fixedly communicated with the output end of the air pump and the L-shaped air cavity together, a normally closed electromagnetic valve is arranged in the air pipe, the suction end of the air pump is fixedly connected with an air suction pipe, and the air pump and the normally closed electromagnetic valve are electrically connected with the controller.
Preferably, the welding monitoring assembly comprises an insulating cylinder fixedly inserted into the side wall of the L-shaped base, the insulating cylinder is communicated with the L-shaped air cavity, an insulating piston is slidably arranged in the insulating cylinder, a conductive block is fixedly installed at the bottom of the inner cylinder of the insulating cylinder, a conductive rod is fixedly installed on the side wall of the insulating piston, a spring is fixedly connected with the insulating piston and the L-shaped air cavity together, a first electromagnetic switch electrically connected with the conductive block and the conductive rod is fixedly installed on the outer side wall of the L-shaped base, a buzzer alarm is fixedly installed on the side wall of the L-shaped base, and the first electromagnetic switch is electrically connected with the buzzer alarm through a controller.
Preferably, the temperature sensing prompt assembly comprises an electric heating disc fixedly mounted in the L-shaped air cavity, a mounting groove is formed in the side wall of the arc block, an insulating arc-shaped groove plate is fixedly mounted on the groove wall of the mounting groove, an arc-shaped heat conducting plate is fixedly packaged at the groove opening of the insulating arc-shaped groove plate, a thermistor is fixedly mounted in the insulating arc-shaped groove plate, heat conducting oil liquid is filled in the insulating arc-shaped groove plate, a disposable columnar battery unit is fixedly spliced on the end face of the diaphragm, a second electromagnetic switch and a buzzer prompt are fixedly mounted at the lower end of the diaphragm, the thermistor is electrically connected with the second electromagnetic switch through the disposable columnar battery unit, and the buzzer prompt is electrically connected with the disposable columnar battery unit through the second electromagnetic switch.
Preferably, the smoke exhaust assembly comprises a cavity formed in the triangular bulge, a plurality of air suction holes are formed in the side wall of the cavity, the cavity is communicated with the air suction pipe, a smoke exhaust pipe is fixedly inserted into the side wall of the air transmission pipe, and a normally open electromagnetic valve connected with the normally closed electromagnetic valve in series is arranged in the smoke exhaust pipe.
Compared with the prior art, the steel welding anti-falling structure for the bridge steel structure platform descent control device has the advantages that:
through the L shape base that sets up inside the anti-disengaging mechanism that sets up, connect the bottom plate, the extension board, triangle protrusion and locking subassembly mutually support, can dock the back with the stand at construction platform, advance fixedly to stand and construction platform, reach stand and construction platform anti-disengaging effect, make the welding in-process, keep stable between stand and the construction platform, and mutually support through the outer loop that sets up, the expansion ring, clear away the subassembly, controller and drive assembly, can be before the welding, carry out the removal of foreign matter such as oxide skin to stand and construction platform welded position department, thereby can improve the stability after the welding, reduce the possibility of welding rosin joint, effectively reduce the possibility that takes place to drop between stand and the construction platform.
Through the preformed hole that sets up, L shape air cavity, the inlet port, air feed subassembly and welding monitoring component's mutually supporting, can reserve the inlet port through stand mounted position department, after the welding is accomplished, carry out the rosin joint to welding seam department, the incomplete phenomenon of welding detects, and in follow-up use, fracture, the abscission phenomenon of welding seam carries out real-time supervision warning, thereby can be convenient for personnel in time handle the potential safety hazard, reach the effect of anticreep monitoring, through the smoke evacuation subassembly that sets up, can cooperate air feed subassembly, in the welding process, the flue gas water conservancy diversion that produces is discharged the welding, reduce the influence of welding flue gas to welding personnel's sight, and the influence to welding personnel's health.
Through the temperature sensing suggestion subassembly that sets up, can cooperate welding monitoring component, when the phenomenon such as welding seam part is not welded completely, local rosin joint, fracture takes place, can carry out the whole week through clear away the subassembly to the welding seam and detect, the personnel of being convenient for fix a position the hidden affected part fast to be convenient for accurately handle the welding seam hidden danger, it is convenient effectual to use.
Drawings
FIG. 1 is a schematic structural view of a steel welding anti-drop structure for a bridge steel structure platform descent control device, provided by the invention;
FIG. 2 is a schematic diagram of a connection structure of an L-shaped base, an extension plate and a triangular bulge of a steel welding anti-drop structure for a bridge steel structure platform descent control device;
FIG. 3 is a schematic diagram of a top view connection structure of an outer ring and a movable ring of a steel welding anti-drop structure for a bridge steel structure platform descent control device;
FIG. 4 is a schematic diagram of a connection structure between an upright post and an L-shaped base of a steel welding anti-drop structure for a bridge steel structure platform descent control device;
FIG. 5 is a schematic structural view of an air supply assembly of a steel welding anti-drop structure for a bridge steel structure platform descent control device provided by the invention;
FIG. 6 is a schematic structural view of a welding monitoring assembly of a steel welding anti-drop structure for a bridge steel structure platform descent control device provided by the invention;
fig. 7 is a schematic cross-sectional structural view of a cross plate and an arc block of a steel welding anti-drop structure for a bridge steel structure platform descent control device.
In the figure: the novel intelligent smoke-discharging device comprises a construction platform, a 2 upright post, a 3 anti-falling mechanism, a 4 connecting bottom plate, a 5L-shaped base, a 6 extending plate, a 7 triangular bulge, an 8 locking component, a 81 fixed locking block, a 82 movable half-arc block, a 9 outer ring, a 10 movable ring, a 11 cleaning component, a 111 transverse plate, a 112 arc block, a 113 polishing steel wire sleeve, a 12 driving component, a 121 gear motor, a 122 movable gear, a 13 reserved hole, a 14L-shaped air cavity, a 15 air inlet hole, a 16 air supply component, a 161 air pump, a 162 air pipe, a 163 normally closed electromagnetic valve, a 164 air suction pipe, a 17 welding monitoring component, a 171 insulating cylinder, a 172 insulating piston, a 173 conductive block, a 174 conductive rod, a 175 spring, a 176 first electromagnetic switch, a 177 buzzer alarm, a 18 temperature sensing prompt component, a 181 electric heating disc, a 182 mounting groove, a 183 insulating arc groove plate, a 184 arc-shaped conductive temperature plate, a 185 thermistor, 186 conductive oil, a 187 disposable columnar battery unit, a 188 second electromagnetic switch, a 189 buzzer prompt, a 19 smoke-discharging component, a 191 cavity, a 192 hole, a 193 air discharging, a 194 normally open electromagnetic valve and a 20 controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-7, a steel welding anti-drop structure for a bridge steel structure platform descent control device comprises a construction platform 1 and a plurality of upright posts 2, wherein anti-drop mechanisms 3 are installed at positions of the construction platform 1 on one side of each upright post 2, two adjacent anti-drop mechanisms 3 are fixedly connected with a connecting bottom plate 4 together, the connecting bottom plate 4 is detachably connected with the construction platform 1 through locking pieces such as bolts, a power supply (not shown in the figure) is installed on the construction platform 1 and used for construction power supply, a protective rail (not shown in the figure) is hidden at the outer edge of the end face of the construction platform 1, and the anti-drop mechanisms 3 and the protective rail are installed in a staggered manner;
each anti-drop mechanism 3 is including setting up in the L shape base 5 of construction platform 1 downside, and the one end and the tip fixed connection of homonymy connection bottom plate 4 of L shape base 5, the lateral wall integrated into one piece of L shape base 5 is provided with extension board 6, and L shape base 5 passes through extension board 6 and construction platform 1 joint setting, the lateral wall integrated into one piece of L shape base 5 is provided with the triangle protrusion 7, the top fixed mounting of triangle protrusion 7 has controller 20, locking subassembly 8 is installed jointly with the pole wall of homonymy stand 2 to the tip of triangle protrusion 7, locking subassembly 8 includes integrated into one piece and sets up in the fixed latch 81 of triangle protrusion 7 tip, one side of fixed latch 81 is provided with movable half arc piece 82, and movable half arc piece 82 and fixed latch 81 pass through bolt and nut fastening installation jointly, the intrados of movable half arc piece 82 offsets with the pole wall of stand 2 closely, ensure the fixed effect after movable half arc piece 82 and the locking of fixed latch 81.
The lateral wall integrated into one piece of extension board 6 is provided with outer loop 9, and the inner wall rotation of outer loop 9 is connected with expansion ring 10, the inner wall of expansion ring 10 installs and clears away subassembly 11, clear away subassembly 11 including dismantling the diaphragm 111 that sets up in expansion ring 10 inner wall, the tip fixed mounting of diaphragm 111 has arc piece 112, and the lateral wall both ends of arc piece 112 have all fixedly sleeved with steel wire cover 113 of polishing, the lateral wall of two steel wire covers 113 of polishing is the setting with the lateral wall of homonymy stand 2 and the terminal surface of construction platform 1 and is the offset, be dismantled between steel wire cover 113 and the arc piece 112 and be connected, after using a period, need the time change steel wire cover 113 of polishing, in order to keep the effect of polishing of steel wire cover 113.
The end face of the triangular bulge 7 is provided with a driving component 12 for driving the movable ring 10 to rotate, the driving component 12 comprises a gear motor 121 fixedly arranged on the lower end face of the triangular bulge 7, the output end of the gear motor 121 is in transmission connection with a movable gear 122, the movable gear 122 is meshed with the outer side wall of the movable ring 10, the gear motor 121 is electrically connected with the controller 20, and when the gear motor 121 works, the movable gear 122 can synchronously rotate along with the output end of the gear motor 121, so that the movable ring 10 can be driven to synchronously rotate.
The end face of the construction platform 1 is provided with a preformed hole 13 corresponding to the position of the upright post 2, the inside of the L-shaped base 5 is provided with an L-shaped air cavity 14, the L-shaped air cavity 14 is provided with an air inlet hole 15 communicated with the preformed hole 13, the side wall of the L-shaped base 5 is provided with an air supply assembly 16 communicated with the L-shaped air cavity 14, the air supply assembly 16 comprises an air pump 161 arranged on the outer side wall of the L-shaped base 5, the output end of the air pump 161 and the L-shaped air cavity 14 are fixedly communicated with an air pipe 162 together, the inside of the air pipe 162 is provided with a normally closed electromagnetic valve 163, the suction end of the air pump 161 is fixedly connected with an air suction pipe 164, the air pump 161 and the normally closed electromagnetic valve 163 are electrically connected with the controller 20, the air pump 161 works to suck external air through the air suction pipe 164 and output the air through the air pipe 162.
The welding monitoring assembly 17 that is linked together with L shape air cavity 14 is installed to the lateral wall of L shape base 5, welding monitoring assembly 17 includes the insulating tube 171 of fixed grafting in L shape base 5 lateral wall, and insulating tube 171 links to each other with L shape air cavity 14 and sets up, the inside slip of insulating tube 171 is provided with insulating piston 172, the inner tube bottom fixed mounting of insulating tube 171 has conducting block 173, the lateral wall fixed mounting of insulating piston 172 has conducting rod 174, insulating piston 172 and L shape air cavity 14 fixedly connected with spring 175 jointly, the lateral wall fixed mounting of L shape base 5 has the first electromagnetic switch 176 with conducting block 173 and conducting rod 174 electric connection, the lateral wall fixed mounting of L shape base 5 has buzzer alarm 177, and first electromagnetic switch 176 passes through controller 20 and buzzer alarm 177 electric connection, the tip reason of conducting block 173 is with conducting rod 174 assorted conducting groove, make conducting rod 174 and conducting block 173 offset the back, conducting rod 174 possesses certain flexible space, avoid the inside atmospheric pressure fluctuation of L shape air cavity 14 to lead to the displacement of insulating piston 172 and produce the false alarm phenomenon.
The inside of L-shaped air cavity 14 is installed and is cleared mechanism matched with temperature sensing prompt assembly 18, temperature sensing prompt assembly 18 includes fixed mounting in the inside electrothermal disk 181 of L-shaped air cavity 14, mounting groove 182 has been seted up to the lateral wall of arc piece 112, and the cell wall fixed mounting of mounting groove 182 has insulating arc frid 183, the notch department fixed package of insulating arc frid 183 has arc heat-conducting plate 184, the inside fixed mounting of insulating arc frid 183 has thermistor 185, and the inside packing of insulating arc frid 183 has heat-conducting oil 186, the terminal surface fixed grafting of diaphragm 111 has disposable columnar battery cell 187, the lower extreme fixed mounting of diaphragm 111 has second electromagnetic switch 188 and buzzer prompter 189, thermistor 185 passes through disposable columnar battery cell 187 and second electromagnetic switch 188 electric connection, buzzer prompter 189 passes through second electromagnetic switch 188 and disposable columnar battery cell 187 electric connection, disposable columnar battery cell 187 includes insulating box, the connecting electrode, disposable columnar lithium cell, battery cover etc. the battery cover can be dismantled, this is the mature technique of being convenient for change, the unnecessary, so the unnecessary L-shaped air cavity 14 is located at the inside of air pressure hole is gone out to the internal air pressure of air cavity 14, the unnecessary air pressure hole is prevented to the inside of air cavity 161 from being broken.
The triangle protrusion 7 is installed and is linked together with the exhaust fume subassembly 19 of air feed subassembly 16, exhaust fume subassembly 19 is including seting up in the inside cavity 191 of triangle protrusion 7, and a plurality of suction holes 192 have been seted up to the lateral wall of cavity 191, cavity 191 is linked together with the breathing pipe 164 and is set up, the lateral wall of gas-supply pipe 162 is fixed to peg graft and is had the exhaust fume pipe 193, and the internally mounted who discharges fume pipe 193 has the normally open solenoid valve 194 that establishes ties with normally closed solenoid valve 163, the direction of giving vent to anger of exhaust fume pipe 193 is kept away from one side of construction platform 1, normally open solenoid valve 194 synchronous circular telegram when the circular telegram.
The principle of operation of the present invention will now be described as follows: before the construction platform 1 is hoisted, each L-shaped base 5 is inserted into a proper position from one end of the construction platform 1 and locked and fixed through a screw rod, then the construction platform 1 is hoisted to the mounting end of the upright post 2 of the descent control device through an external crane, each upright post 2 is aligned with a preset position on the construction platform 1, then each movable half arc block 82 is clamped and sleeved on one side of the upright post 2, the movable half arc block 82 is locked with the fixed locking block 81 on the same side through bolts and nuts, and then each controller 20 is communicated with an external power supply arranged on the construction platform 1;
the controller 20 is started, the controller 20 immediately controls the electric heating disc 181 to work, after the electric heating disc 181 works for 1 minute and 30 seconds, the controller 20 controls the speed reducing motor 121 to start to work, the output end of the speed reducing motor 121 can enable the movable gear 122 to drive the movable ring 10 to start to rotate slowly, the movable ring 10 can drive the arc block 112 to rotate along the joint of the upright post 2 and the construction platform 1 through the transverse plate 111, under the action of the two polishing wire sleeves 113 on the arc block 112, foreign matters such as oxide skin which possibly exist at the positions of the upright post 2 and the construction platform 1 can be removed, the electric heating disc 181 heats, the bonding force between the oxide skin and the surface of a steel member can be damaged through thermal expansion caused by heating, and volatile impurities and organic matters on the surface of metal can be removed, and the foreign matters such as oxide skin can be removed conveniently, and the foreign matters such as oxide skin can be removed quickly and effectively by matching with the polishing wire sleeves 113;
after the constructor sees that the foreign matters such as oxide skin at the welding position are removed completely, the speed reducing motor 121 is stopped by the controller 20, the transverse plate 111 is detached from the movable ring 10, then, the constructor presses the smoke exhaust button on the controller 20, and then, the welding between the upright post 2 and the construction platform 1 can be started, the welding position of the upright post 2 and the construction platform 1 can be heated in advance due to the preheating work of the electric heating disc 181, the transient heat caused by welding is avoided, the generation of welding stress is reduced, after the smoke exhaust button on the controller 20 is pressed, the controller 20 immediately controls the air pump 161 to work, and in the welding process of the constructor between the upright post 2 and the construction platform 1, the air pump 161 can generate negative pressure suction through the air suction hole 192 at the cavity 191 by the air suction pipe 164, so that the smoke generated in the welding process can be sucked, and the smoke is discharged through the smoke discharging pipe 193 through the air pump 161 and the air pipe 162, after welding is completed, the transverse plate 111 is reinstalled on the movable ring 10, then, the switching button of the controller 20 is pressed, at this time, the controller 20 controls the normally closed electromagnetic valve 163 in the air pipe 162 and the normally open electromagnetic valve 194 in the smoke discharging pipe 193 to work for 10 seconds at regular time, the controller 20 controls the air pump 161 to be powered off for 10 seconds, meanwhile, the controller 20 controls the connection loop between the buzzer alarm 177 and the first electromagnetic switch 176 to delay the power on for 15 seconds, and in 10 seconds when the normally closed electromagnetic valve 163 is powered on, the air conveyed by the air pump 161 enters the L-shaped air cavity 14 through the air pipe 162, so that the air pressure in the L-shaped air cavity 14 can be increased, the insulating piston 172 can be moved in the insulating cylinder 171 under the action of the air pressure increase, and the conductive rod 174 can be driven to move synchronously, until the conducting rod 174 is propped against the conducting block 173, at this time, the first electromagnetic switch 176, the conducting rod 174, the connecting loop between the conducting block 173 and the controller 20 is connected, so that the first electromagnetic switch 176 can be electrified and work, at this time, the moving contact of the first electromagnetic switch 176 can be magnetically closed, so that the connecting loop between the buzzer alarm 177 and the controller 20 can be disconnected, namely, after 15 seconds of delayed electrification of the connecting loop between the buzzer alarm 177 and the first electromagnetic switch 176, the buzzer alarm 177 still can not work, and when the phenomenon of insufficient welding, incomplete welding, cracking and the like exists in a welding seam, air in the L-shaped air cavity 14 can escape from a welding seam defect through the air inlet hole 15 and a reserved hole 13 on the construction platform 1, so that the air in the L-shaped air cavity 14 can gradually escape through the welding seam defect after the normally closed electromagnetic valve 163 works for 10 seconds, and the air pressure in the L-shaped air cavity 14 gradually decreases, under the action of the spring 175, the insulating piston 172 can drive the conducting rod 174 to move back, and when the conducting rod 174 is separated from the conducting block 173, the conducting rod 176, the first electromagnetic switch 176 can be connected with the controller 173, so that the full welding seam can not need to be completed, the full welding seam can be completed, the electromagnetic switch 176 can be recovered, and the electromagnetic switch 176 can be connected with the first electromagnetic switch 176, and the electromagnetic switch can be recovered, and the electromagnetic switch can be connected to the full-connected to the electromagnetic switch, and the electromagnetic switch 176 can be completely, and the full-electromagnetic switch has the full welding seam, and the fault, and the full-electromagnetic switch can be recovered, and the full-electromagnetic switch can be electrically connected, and the full-electromagnetic connector can and the full-electromagnetic switch has the electric connection, and the electric connection device can and the electric 18;
when the buzzer alarm 177 alarms, a constructor presses a patrol button on the controller 20 and a start button on the transverse plate 111, at this time, the controller 20 controls the air pump 161, the normally closed electromagnetic valve 163 in the air pipe 162 and the normally open electromagnetic valve 194 in the smoke exhaust pipe 193, and the electric heating disc 181 to work, and simultaneously starts the gear motor 121, air conveyed by the air pump 161 enters the L-shaped air cavity 14 through the air pipe 162 and is heated by the electric heating disc 181, the heated air escapes from the weld defect through the air inlet hole 15 and the reserved hole 13, the gear motor 121 works, the movable ring 10 can be driven to drive the transverse plate 111 to rotate, the transverse plate 111 drives the insulating arc-shaped groove plate 183 on the arc-shaped block 112 to synchronously rotate, and when the insulating arc-shaped groove plate 183 rotates to the weld defect, the heated air escapes from the weld defect, so the heated air is blown to the arc-shaped temperature-guiding plate 184 at the insulated arc-shaped groove plate 183, and when the heated temperature is transferred to the thermistor 185 through the heat-conducting oil 186, the resistance of the thermistor 185 is reduced, at this time, the resistance of the connecting loop between the thermistor 185 and the second electromagnetic switch 188 and the disposable columnar battery unit 187 is reduced, so that the current flowing into the second electromagnetic switch 188 is increased, and further the moving contact of the second electromagnetic switch 188 is magnetically closed, at this time, the second electromagnetic switch 188 can be connected with the connecting loop between the buzzer indicator 189 and the disposable columnar battery unit 187, so that the buzzer indicator 189 can perform a ringing indication work, and the position of the surface weld defect is then subjected to repair welding and other works on the weld, and a shutdown button on the controller 20 and the transverse plate 111 is pressed down by constructors;
after the construction is completed, the L-shaped base 5 and the connecting bottom plate 4 of each anti-falling mechanism 3 for preventing the upright post 2 from falling off by welding with the construction platform 1 are detached from the construction platform 1 for recycling, and the anti-falling mechanism 3 and the connecting bottom plate 4 can be reused.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (4)
1. The steel welding anti-falling structure for the bridge steel structure platform slow-falling device comprises a construction platform (1) and a plurality of upright posts (2), and is characterized in that anti-falling mechanisms (3) are installed at positions, located on one side of each upright post (2), of the construction platform (1), and two adjacent anti-falling mechanisms (3) are fixedly connected with a connecting bottom plate (4) together;
each anti-drop mechanism (3) comprises an L-shaped base (5) arranged at the lower side of a construction platform (1), one end of the L-shaped base (5) is fixedly connected with the end part of a connecting bottom plate (4) at the same side, an extension plate (6) is integrally formed on the side wall of the L-shaped base (5), the L-shaped base (5) is clamped with the construction platform (1) through the extension plate (6), a triangular bulge (7) is integrally formed on the side wall of the L-shaped base (5), a locking assembly (8) is jointly arranged at the end part of the triangular bulge (7) and the rod wall of a same side upright post (2), an outer ring (9) is integrally formed on the side wall of the extension plate (6), a movable ring (10) is rotatably connected with the inner wall of the movable ring (9), a cleaning assembly (11) is arranged on the inner wall of the movable ring (10), a driving assembly (12) for driving the movable ring (10) to rotate is arranged on the end face of the triangular bulge (7), a reserved hole (13) corresponding to the position of the upright post (2) is reserved on the end face of the construction platform (1), a reserved hole (13) is reserved in the L-shaped base (14), an air cavity (14) is reserved in the air cavity (13), the device comprises an L-shaped base (5), wherein an air supply assembly (16) communicated with an L-shaped air cavity (14) is arranged on the side wall of the L-shaped base (5), a welding monitoring assembly (17) communicated with the L-shaped air cavity (14) is arranged on the side wall of the L-shaped base, a temperature sensing prompt assembly (18) matched with a cleaning mechanism is arranged in the L-shaped air cavity (14), a smoke exhausting assembly (19) communicated with the air supply assembly (16) is arranged on the triangular bulge (7), and a controller (20) is fixedly arranged at the top of the triangular bulge (7);
the locking component (8) comprises a fixed locking block (81) which is integrally formed at the end part of the triangular bulge (7), one side of the fixed locking block (81) is provided with a movable half arc block (82), the movable half arc block (82) and the fixed locking block (81) are fixedly installed together through bolts and nuts, the cleaning component (11) comprises a transverse plate (111) which is detachably arranged on the inner wall of the movable ring (10), the end part of the transverse plate (111) is fixedly provided with an arc block (112), two ends of the side wall of the arc block (112) are fixedly sleeved with polishing steel wire sleeves (113), the outer side walls of the two polishing steel wire sleeves (113) are propped against the side wall of the same side upright post (2) and the end face of the construction platform (1), the welding monitoring component (17) comprises an insulating cylinder (171) which is fixedly inserted into the side wall of the L-shaped base (5), the insulating cylinder (171) is fixedly connected with the L-shaped air cavity (14), an insulating piston (172) is arranged in a sliding mode inside the insulating cylinder (171), the bottom (173) of the insulating cylinder (171) is fixedly sleeved with the end part of the insulating cylinder (112), the insulating cylinder (172) is fixedly provided with the bottom (173), the insulating piston (172) and the insulating piston (172) is fixedly connected with the insulating piston (175), the utility model discloses a temperature sensing prompt assembly, which is characterized in that a first electromagnetic switch (176) which is electrically connected with a conductive block (173) and a conductive rod (174) is fixedly arranged on the outer side wall of an L-shaped base (5), a buzzer alarm (177) is fixedly arranged on the side wall of the L-shaped base (5), the first electromagnetic switch (176) is electrically connected with the buzzer alarm (177) through a controller (20), the temperature sensing prompt assembly (18) comprises an electric heating disc (181) fixedly arranged in an L-shaped air cavity (14), a mounting groove (182) is formed in the side wall of the arc-shaped block (112), an insulating arc-shaped groove plate (183) is fixedly arranged on the groove wall of the mounting groove (182), an arc-shaped heat conducting plate (184) is fixedly packaged at the groove opening of the insulating arc-shaped groove plate (183), a thermistor (185) is fixedly arranged in the insulating arc-shaped groove plate (183), a heat conducting oil liquid (186) is filled in the insulating arc-shaped groove plate (183), a disposable columnar battery unit (187) is fixedly spliced on the end face of the transverse plate (111), a second electromagnetic switch (188) and the second electromagnetic switch (185) are fixedly connected with the second electromagnetic switch (188) through the second electromagnetic switch (188), the buzzer prompter (189) is electrically connected with the disposable columnar battery unit (187) through the second electromagnetic switch (188).
2. The steel welding anti-drop structure for a bridge steel structure platform slow-descent device according to claim 1, wherein the driving assembly (12) comprises a gear motor (121) fixedly installed on the lower end face of the triangular bulge (7), an output end of the gear motor (121) is in transmission connection with a movable gear (122), the movable gear (122) is meshed with the outer side wall of the movable ring (10), and the gear motor (121) is electrically connected with the controller (20).
3. The steel welding anti-drop structure for the bridge steel structure platform slow-descent device according to claim 1, wherein the air supply assembly (16) comprises an air pump (161) arranged on the outer side wall of the L-shaped base (5), an output end of the air pump (161) is fixedly communicated with an air pipe (162) together with the L-shaped air cavity (14), a normally closed electromagnetic valve (163) is arranged in the air pipe (162), an air suction pipe (164) is fixedly connected to an air suction end of the air pump (161), and the air pump (161) and the normally closed electromagnetic valve (163) are electrically connected with the controller (20).
4. The steel welding anti-drop structure for a bridge steel structure platform descent control device according to claim 3, wherein the smoke exhaust assembly (19) comprises a cavity (191) formed in the triangular bulge (7), a plurality of air suction holes (192) are formed in the side wall of the cavity (191), the cavity (191) is communicated with the air suction pipe (164), a smoke exhaust pipe (193) is fixedly inserted into the side wall of the air conveying pipe (162), and a normally open electromagnetic valve (194) connected with the normally closed electromagnetic valve (163) in series is installed in the smoke exhaust pipe (193).
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| CN202311239904.5A CN116984808B (en) | 2023-09-25 | 2023-09-25 | Steel welding anti-falling structure for bridge steel structure platform descent control device |
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| CN202311239904.5A CN116984808B (en) | 2023-09-25 | 2023-09-25 | Steel welding anti-falling structure for bridge steel structure platform descent control device |
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| CN116984808B true CN116984808B (en) | 2024-01-19 |
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| CN114893010A (en) * | 2022-06-10 | 2022-08-12 | 中国三冶集团有限公司 | High-altitude operation safety production device and use method thereof |
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| JP2004176253A (en) * | 2002-11-22 | 2004-06-24 | Nippon Steel Corp | Repairing and reinforcing method for steel structure |
| JP2015194068A (en) * | 2014-03-18 | 2015-11-05 | 住友金属鉱山シポレックス株式会社 | Clip fixture for integral type anchor and integral type anchor using the same |
| CN110549051A (en) * | 2019-08-26 | 2019-12-10 | 张宏伟 | steel welding anti-drop structure for road and bridge steel construction |
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| CN116984808A (en) | 2023-11-03 |
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