CN117943748A - Steel constructs welding set with flue gas purification function - Google Patents
Steel constructs welding set with flue gas purification function Download PDFInfo
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- CN117943748A CN117943748A CN202410125955.3A CN202410125955A CN117943748A CN 117943748 A CN117943748 A CN 117943748A CN 202410125955 A CN202410125955 A CN 202410125955A CN 117943748 A CN117943748 A CN 117943748A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000003546 flue gas Substances 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 238000000746 purification Methods 0.000 title claims abstract description 15
- 239000003496 welding fume Substances 0.000 claims abstract description 98
- 239000003517 fume Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims description 64
- 239000003054 catalyst Substances 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 34
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- 238000013461 design Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 1
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Abstract
The invention discloses a steel structure welding device with a flue gas purifying function, which comprises: the welding machine comprises a welding machine body, wherein two groups of welding guns are arranged on the welding machine body in a sliding manner; the welding fume purifier is connected to the top end of the beam of the welding machine body, and a fume inlet of the welding fume purifier is integrated on the welding gun and is arranged close to the welding nozzle; and the auxiliary purifying units are connected to the welding machine body, and when the welding fume is detected to diffuse to the periphery, the auxiliary purifying units are started to absorb the welding fume. According to the welding machine, the welding fume purifier is arranged on the welding machine body, the welding fume purifier is not required to be fixed manually, welding fume is absorbed and purified while welding is carried out, the fume inlet is integrated on the welding gun, the diffusion of the welding fume is effectively avoided, meanwhile, the auxiliary purifying unit is arranged, the auxiliary absorption and purification are carried out on the welding fume which has diffused around the welding machine body, the possibility of the diffusion of the welding fume is further reduced, the cleanliness of the welding process is improved, and personal injury is avoided.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a steel structure welding device with a smoke purifying function.
Background
With the high-speed development of economy, china develops faster and faster in the aspect of infrastructure construction. In the infrastructure, steel structures are used in large numbers. Columns and beams are one of the most basic and important steel structural members. The steel structural members have simple structures and a plurality of welding seams, and the welding seams are in a linear shape. At present, the steel structural parts are welded manually, so that the time and the labor are wasted, the efficiency is low, the welding cost is high, the welding quality is not easy to ensure, and the welding of the steel structural parts is carried out manually by automatic equipment production instead of the development trend of the steel structural part production industry.
Among the prior art, as in the chinese patent of 202220702017.1, a H-section steel planer-type welding machine for promoting clear away welding slag efficiency is disclosed, which comprises a workbench, the last surface mounting of workstation has planer-type welding machine main part, and the lower extreme symmetry of planer-type welding machine main part is provided with the welding tip, the last fixed surface of workstation has the connecting block, and the upper end of connecting block is connected with the portal frame to one side laminating of portal frame is provided with H-section steel main part. The welding machine is a typical gantry welding machine, and can realize rapid welding of steel structures. Welding smoke can be generated in the welding process, toxic substances are doped in the welding smoke, and direct discharge can harm human health and influence the air environment. Welding fume purifier is adopted commonly in the welding process to treat welding fume, and as in the Chinese patent with the application number 202311417653.5, a movable welding fume purifier is disclosed, and comprises a box body, universal wheels arranged at the bottom of the box body, a filter cylinder and a fan arranged in the box body, a dust collection arm arranged at the top of the box body and a dust collection cover assembly arranged at the end part of the dust collection arm. The welding fume purifier can move freely and has a wider application range; however, the welding process still needs to be manually pushed, and risks exist for human health. Therefore, there is a need to provide a steel welding device with a fume cleaning function, so as to at least partially solve the problems in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a steel structure welding device with a flue gas purifying function, including:
The welding machine comprises a welding machine body, wherein two groups of welding guns are arranged on the welding machine body in a sliding manner;
the welding fume purifier is connected to the top end of the beam of the welding machine body, and a fume inlet of the welding fume purifier is integrated on the welding gun and is arranged close to the welding nozzle;
and the auxiliary purifying units are connected to the welding machine body, and when the welding fume is detected to diffuse to the periphery, the auxiliary purifying units are started to absorb the welding fume.
Preferably, a welding fume detection sensor is arranged on the welding machine body and used for collecting sensing data in a target area, the target area is set to be an area within a preset distance range of the welding machine body, and the sensing data are set to be temperature data, particulate matter concentration data and flow velocity data.
Preferably, the welding machine body is provided with a control unit, and the control unit controls the auxiliary purifying unit to work according to the acquired sensing data, specifically:
the method comprises the steps of acquiring sensing data in a target area, and preprocessing the data to acquire standard sensing data;
Based on the sensing data information, a regulation parameter set is constructed, and regulation parameter factors in the regulation parameter set are associated with each sensing data item in a one-to-one correspondence manner; the corresponding regulation parameter factors are called through matching the regulation parameter set with each item in the sensing data;
determining a welding fume purifying requirement degree value of a target area according to the regulation and control parameter factors of the sensing data;
Based on the fan gear in the auxiliary purifying unit, constructing a working gear set of the auxiliary purifying unit, wherein each gear value in the working gear set corresponds to a pre-divided welding fume purifying demand degree value threshold value, and determining the working gear of the auxiliary purifying unit;
Preferably, the control unit uploads the welding fume purifying requirement level value of the target area to the user terminal according to the obtained control auxiliary purifying unit when working, and alarms when the welding fume purifying requirement level value of the target area exceeds a preset value.
Preferably, the auxiliary purifying unit includes: the purifying box is connected to the welding machine body, the absorbing liquid is contained in the purifying box, the smoke inlet pipe and the smoke outlet pipe are arranged in the purifying box, the smoke inlet pipe extends to the position below the liquid level of the absorbing liquid, the smoke outlet pipe is located above the liquid level of the absorbing liquid and extends out of the purifying box, the smoke suction pipe is arranged on the outer wall of the purifying box, the pipe orifice of the smoke suction pipe faces to a to-be-welded piece, the smoke suction pipe is connected with the smoke inlet pipe, and the fan is arranged on the smoke inlet pipe.
Preferably, be provided with the break-make unit in the purifying box, the break-make unit includes:
The on-off cavity is arranged in the purifying box, the top end of the on-off cavity is connected with the smoke suction pipe through a pipeline, and the side end of the on-off cavity is connected with the smoke inlet pipe;
the on-off sliding block is connected in the on-off cavity in a sliding way, a bent smoke channel is formed in the on-off sliding block, one end of the smoke channel penetrates through the side end of the on-off sliding block, and the other end of the smoke channel penetrates through the top end of the on-off sliding block;
The sliding sleeve is connected to the bottom end of the on-off sliding block, extends into a transmission cavity of the purifying box, is provided with an end head at the bottom end, is provided with a magnetic block at the bottom end, is provided with an electromagnetic block at the bottom wall of the transmission cavity, and attracts the magnetic block after being electrified;
The guide post is vertically connected in the transmission cavity, the sliding sleeve is connected above the guide post in a sliding mode, the guide post is sleeved with a spring, and the spring is connected between the bottom end of the sliding sleeve and the transmission cavity.
Preferably, the on-off unit further includes:
the limiting rod is connected in the transmission cavity in a sliding way, is horizontally arranged, one end of the limiting rod is clamped above the end head of the sliding sleeve, a spring is connected between the other end of the limiting rod and the inner wall of the transmission cavity, and a wedge-shaped groove is formed in the bottom of the limiting rod;
the sealing shell is connected in the pressure cavity below the transmission cavity in a sliding way, the bottom of the sealing shell is provided with an air inlet, and the side wall of the sealing shell is provided with an air flow channel for communicating the inside of the sealing shell with the pressure cavity;
The ejector rod is connected to the inner wall of the sealing shell in a sliding manner, the top end of the ejector rod extends into the transmission cavity, and the bottom end of the ejector rod is sealed with the inner wall of the sealing shell relatively.
Preferably, the on-off unit further includes: the heating device comprises a heat conduction cavity, a heating rod and a trigger head, wherein the heat conduction cavity is arranged in a purifying box and is connected with the bottom end of a pressure cavity through a pipeline, hot expanding gas is contained in the heat conduction cavity, the heating rod is connected in the heat conduction cavity and is electrically connected with a control unit, the trigger head is used for detecting the temperature of the current position, and the trigger head is electrically connected with the control unit.
Preferably, the top end of the inner wall of the purifying box is connected with a catalyst hopper, an air bag and an elastic membrane are arranged in the catalyst hopper, the air bag is arranged at the top of the catalyst hopper and is connected with the upper part of the pressure cavity through a pipeline, the elastic membrane is connected to the pipe orifice at the bottom end of the catalyst hopper, a plurality of holes which are pressed and opened are formed in the elastic membrane, and a catalyst for accelerating the flue gas purifying reaction is accommodated in the catalyst hopper.
Preferably, the side wall of the catalyst bucket is connected with an extrusion air bag, and hot expanding gas is contained in the extrusion air bag.
Preferably, the smoke outlet pipe is connected with a smoke welding gas collecting pipe, the smoke welding gas collecting pipe is connected with a smoke welding gas concentration detector, the smoke outlet pipe is provided with an electric control valve, when the detected harmful gas concentration is lower than a preset value, the control unit opens a first passage of the electric control valve to discharge the purified smoke, and when the detected harmful gas concentration is higher than the preset value, the smoke welding gas flows back into the purifying box.
Preferably, be provided with the flow regulating subassembly in the welding fume gas collection pipe, the flow regulating subassembly includes:
the mounting seat is arranged at the center of the air inlet end of the welding fume collecting pipe;
The four clamping claws are uniformly hinged on the mounting seat, the horizontal plane at the other end of the clamping claws is clamped with the inner wall of the welding fume collecting pipe, and the included angle between the top surface of the clamping claws and the top surface of the mounting seat is an obtuse angle;
the central rod is connected to the center of the mounting seat in a sliding manner, and the end head of the top end of the central rod is clamped above the mounting seat;
the floating plate is connected below the central rod, the top end of the floating plate is provided with a groove, the bottom end of the central rod is connected with the bottom of the groove, a spring is sleeved on the central rod and connected between the bottom of the groove and the mounting seat, the outer side face of the floating plate is provided with a flow guide face, the bottom end of the floating plate is connected with a flow baffle, and the diameter of the flow baffle is larger than that of the welding fume collecting pipe and extends into the fume outlet pipe.
Compared with the prior art, the invention at least comprises the following beneficial effects:
According to the steel structure welding device with the smoke purifying function, the welding smoke purifier is arranged on the welding machine body, the welding smoke purifier is not required to be fixed manually, welding smoke is absorbed and purified while welding, the smoke inlet is integrated on the welding gun, the welding smoke is effectively prevented from being diffused, meanwhile, the auxiliary purifying unit is arranged, the auxiliary absorption and purification are carried out on the welding smoke which is diffused to the periphery of the welding machine body, the possibility of the welding smoke diffusion is further reduced, the cleanliness of the welding process is improved, and personal injury is avoided.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic perspective view of a conventional welder body;
FIG. 2 is a schematic view of a welder body of the present invention;
FIG. 3 is a schematic cross-sectional view of an auxiliary welding unit according to the present invention;
FIG. 4 is a schematic cross-sectional view of the three-dimensional structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic cross-sectional view of the auxiliary welding unit of FIG. 3A after the auxiliary welding unit is started;
FIG. 6 is a schematic cross-sectional view of a seal housing and a carrier rod according to the present invention;
FIG. 7 is a schematic cross-sectional view of a catalyst bucket according to the present invention;
FIG. 8 is a schematic structural view of a welding fume collector in the invention;
fig. 9 is a schematic cross-sectional view of a welding fume collector in the present invention.
In the figure: 1. a welder body; 2. a welding gun; 3. welding fume purifier; 11. a purifying box; 12. a smoke inlet pipe; 13. a smoke outlet pipe; 14. a blower; 15. an on-off cavity; 16. a smoke suction pipe; 17. a sliding block is opened and closed; 18. a flue gas channel; 19. a sliding sleeve; 20. a guide post; 21. a limit rod; 22. wedge-shaped grooves; 23. a sealed housing; 24. a push rod; 25. a heat conducting cavity; 26. a heating rod; 27. a trigger head; 28. a pressure chamber; 30. a catalyst bucket; 31. an air bag; 32. an elastic film; 33. an eyelet; 34. extruding the air bag; 41. welding a smoke collecting pipe; 42. an electric control valve; 43. a mounting base; 44. a claw; 45. a central rod; 46. a floating plate; 47. a spring; 48. a flow guiding surface; 49. and a flow baffle.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1:
As shown in fig. 1 and 2, the present invention provides a steel structure welding device with a flue gas purifying function, comprising:
the welding machine comprises a welding machine body 1, wherein two groups of welding guns 2 are arranged on the welding machine body 1 in a sliding manner;
The welding fume purifier 3, the welding fume purifier 3 is connected to the top end of the beam of the welding machine body 1, and the fume inlet of the welding fume purifier 3 is integrated on the welding gun 2 and is arranged close to the welding nozzle;
And the auxiliary purifying units are connected to the welding machine body 1, and when the welding fume is detected to diffuse to the periphery, the auxiliary purifying units are started to absorb the welding fume.
The working principle and the beneficial effects of the technical scheme are as follows:
When welding, two groups of welding guns 2 of a welding machine body 1 are aligned to welding parts of steel members to be welded, a welding fume purifier 3 is arranged on the welding machine body 1 and can move along with the welding machine body 1, and when welding is carried out, a fume inlet of the welding fume purifier 3 is close to a welding nozzle and can absorb welding fume to be discharged after purification treatment; an auxiliary purifying unit is arranged on the welding machine body 1, and when the welding fume collecting effect of the welding fume purifier 3 is poor, the auxiliary purifying unit is started to assist in absorbing and purifying welding fume. The auxiliary purifying units are arranged on the upright posts and the cross beams of the welding machine body 1 and are slightly far away from the welding parts, and a plurality of auxiliary purifying units are arranged, so that welding fume diffused to the periphery of the welding machine body 1 can be absorbed and purified through the auxiliary purifying units.
Through the above-mentioned structural design, provide a steel constructs welding set with flue gas purification function, set up on welding machine body 1 and weld cigarette clarifier 3, need not to artificially fix and weld cigarette clarifier 3 positions, absorb and purify the welding cigarette in the welded while, advance the mouth integration on welder 2, effectively avoid welding the cigarette diffusion, set up supplementary purification unit simultaneously, to having diffused the welding cigarette around the welding machine body 1 and carry out supplementary absorption purification, further reduce the possibility of welding the cigarette diffusion, improve the cleanliness factor of welding process, avoid causing personal injury.
Example 2:
On the basis of the above embodiment 1, the welding machine body 1 is provided with a welding fume detection sensor for collecting sensing data in a target area set as an area within a preset distance range of the welding machine body 1, and the sensing data are set as temperature data, particulate matter concentration data and flow rate data.
The working principle and the beneficial effects of the technical scheme are as follows:
A welding smoke detector is arranged on the welding machine body 1, the welding smoke detector monitors the area of the welding machine body 1 within a preset distance range, and temperature data, particulate matter concentration data and flow velocity data near the welding machine body 1 are monitored in real time; because the temperature is higher during welding, the temperature of the generated welding fume is also higher, therefore, the temperature near the welding machine body 1 is monitored, the concentration of the particles in the welding fume is reflected by the particle concentration data, the diffusion speed of the welding fume is reflected by the flow velocity data, the diffusion range and the diffusion speed of the welding fume can be evaluated through the parameters, and the control of the welding fume purifier 3 and the auxiliary purifying unit is facilitated.
Example 3:
on the basis of the above embodiment 2, the welding machine body 1 is provided with a control unit, and the control unit controls the auxiliary purifying unit to work according to the acquired sensing data, specifically:
the method comprises the steps of acquiring sensing data in a target area, and preprocessing the data to acquire standard sensing data;
Based on the sensing data information, a regulation parameter set is constructed, and regulation parameter factors in the regulation parameter set are associated with each sensing data item in a one-to-one correspondence manner; the corresponding regulation parameter factors are called through matching the regulation parameter set with each item in the sensing data;
determining a welding fume purifying requirement degree value of a target area according to the regulation and control parameter factors of the sensing data;
Based on the fan gear in the auxiliary purifying unit, a working gear set of the auxiliary purifying unit is constructed, and each gear value in the working gear set corresponds to a pre-divided welding fume purifying demand degree value threshold value, so that the working gear of the auxiliary purifying unit is determined.
And the control unit uploads the welding fume purifying requirement degree value of the target area to the user terminal according to the obtained control auxiliary purifying unit when working, and alarms when the welding fume purifying requirement degree value of the target area exceeds the preset threshold maximum value.
The working principle and the beneficial effects of the technical scheme are as follows:
When the control unit controls the auxiliary purifying unit to work, the standard sensing data is obtained by acquiring the sensing data in the target area, normalizing the data and removing the null value; the regulation parameter set is constructed in advance by a professional, and is obtained by analyzing and constructing the influence degree of each sensing data item when welding fume is diffused in a large number of devices with the same conditions as the welding machine body 1; different regulation parameter factors reflect different influence proportion of each data item in welding fume diffusion evaluation, for example, the regulation parameter factor of the detected particulate matter concentration data in welding fume is the largest, which indicates that the particulate matter concentration data value should be mainly considered in the evaluation of welding fume diffusion; setting the sum of products of the regulating parameter factors of each sensing data source and the standard sensing data as a welding fume purifying requirement degree value, wherein the welding fume purifying requirement degree value also reflects the diffusion degree of the welding fume; the different welding fume diffusion degree values correspond to different gears of the fans in the auxiliary purifying unit, for example, when the welding fume diffusion degree values are smaller than a first preset threshold value, the corresponding fans are not started; when the welding fume diffusion degree is between a first preset threshold value and a second preset threshold value, starting a first gear corresponding to the fan; when the welding fume diffusion degree value is larger than the n preset threshold value, starting the n gear corresponding to the fan. By adopting the control mode, the sensing data of the welding fume can be comprehensively analyzed, the diffusion degree of the welding fume is evaluated according to the sensing data of the welding fume, the degree of the welding fume purifying requirement is calculated and obtained, then the fan gear which is required to be adopted for the current welding fume state is selected, the fume absorption speed is regulated, the intelligence of the auxiliary purifying unit is improved, and the targeted purifying measure is made.
Example 4:
As shown in fig. 2, on the basis of the above embodiment 1, the auxiliary purifying unit includes: the purifying box 11, purifying box 11 connects on welding machine body 1, purifying box 11 inside holds the absorption liquid, be provided with into tobacco pipe 12 and play tobacco pipe 13 in the purifying box 11, advance tobacco pipe 12 and extend to the liquid level of absorption liquid under, go out tobacco pipe 13 and lie in absorption liquid level top and extend purifying box 11, purifying box 11 outer wall is provided with inhales tobacco pipe 16, and the mouth of pipe orientation of inhaling tobacco pipe 16 waits the weldment, and smoking pipe 16 is connected with advancing tobacco pipe 12, is provided with fan 14 on advancing tobacco pipe 12.
The working principle and the beneficial effects of the technical scheme are as follows:
When the auxiliary purifying unit is used, the fan 14 is started to generate suction force, welding fume near the welding machine body 1 is sucked, the welding fume enters the fume inlet pipe 12 through the fume suction pipe 16 and then is conveyed into adsorption liquid in the purifying box 11, particulate matters in the fume fall into the adsorption liquid, harmful gas and the adsorption liquid react and purify, meanwhile, the fume is cooled, purified fume returns to the purifying box 11 and is discharged through the fume outlet pipe 13, and effective purification of the welding fume is realized.
Example 5:
As shown in fig. 2 to 7, on the basis of the above-described embodiment 4, an on-off unit is provided in the purification tank 11, the on-off unit including:
the on-off cavity 15 is formed in the purifying box 11, the top end of the on-off cavity 15 is connected with the smoke suction pipe 16 through a pipeline, and the side end of the on-off cavity 15 is connected with the smoke inlet pipe 12;
the on-off sliding block 17 is connected in the on-off cavity 15 in a sliding way, a bent smoke channel 18 is formed in the on-off sliding block 17, one end of the smoke channel 18 penetrates through the side end of the on-off sliding block 17, and the other end penetrates through the top end of the on-off sliding block 17;
the sliding sleeve 19 is connected to the bottom end of the on-off sliding block 17, the sliding sleeve 19 extends into a transmission cavity of the through purifying box 11, the transmission cavity is positioned below the on-off cavity 15, the bottom end of the sliding sleeve 19 is provided with a head, the bottom end of the sliding sleeve 19 is provided with a magnetic block, the bottom wall of the transmission cavity is provided with an electromagnetic block, and the electromagnetic block is attracted with the magnetic block after being electrified;
The guide post 20, the guide post 20 is vertical to be connected in the transmission intracavity, and sliding sleeve 19 sliding connection is equipped with the spring in the cover on guide post 20 in guide post 20 top to the spring coupling is between sliding sleeve 19 bottom and transmission chamber.
The on-off unit further includes:
The limiting rod 21 is connected in the transmission cavity in a sliding way, the limiting rod 21 is horizontally arranged, one end of the limiting rod 21 is clamped above the end head of the sliding sleeve 19, a spring is connected between the other end of the limiting rod 21 and the inner wall of the transmission cavity, and a wedge-shaped groove 22 is formed in the bottom of the limiting rod 21;
The sealing shell 23 is connected in the pressure cavity 28 below the transmission cavity in a sliding way, an air inlet is formed in the bottom of the sealing shell 23, and an air flow channel for communicating the inside of the sealing shell 23 with the pressure cavity 28 is formed in the side wall of the sealing shell 23;
The ejector rod 24 is connected to the inner wall of the sealing shell 23 in a sliding manner, the top end of the ejector rod 24 extends into the transmission cavity, and the bottom end of the ejector rod 24 is sealed with the inner wall of the sealing shell 23.
The on-off unit further includes: the heat conduction chamber 25, heating rod 26 and trigger head 27, heat conduction chamber 25 set up in purifying box 11, and heat conduction chamber 25 is connected with pressure chamber 28 bottom through the pipeline, and heat conduction chamber 25 holds hot expanding gas, and heating rod 26 is connected in heat conduction chamber 25, and heating rod 26 is connected with the control unit electricity, and trigger head 27 is used for detecting the temperature of current position, and trigger head 27 is connected with the control unit electricity.
The working principle and the beneficial effects of the technical scheme are as follows:
The purifying box 11 is internally provided with an on-off unit, when the auxiliary purifying unit is started, the fan 14 is started, the heating rod 26 is electrified, the temperature in the heat conducting cavity 25 rises when the heating rod 26 rises, the hot expanding gas expands in volume and enters the pressure cavity 28 through a pipeline, the hot expanding gas enters the inside of the heat conducting cavity through an air inlet at the bottom end of the sealing shell 23, the hot expanding gas extrudes the ejector rod 24 in the sealing shell 23, the ejector rod 24 moves upwards until the ejector rod 24 contacts with the top end of the inner wall of the sealing shell 23, the sealing shell 23 is driven to slide in the pressure cavity 28 along with the continuous entering of the hot expanding gas until the sealing shell 23 moves to contact with the top end of the pressure cavity 28, the ejector rod 24 slides relatively with a wedge-shaped groove 22 on the limiting rod 21 when moving upwards, the limiting rod 21 is extruded, the limiting rod 21 is driven to move away from the sliding sleeve 19 under the guiding action of the wedge-shaped groove 22, the sliding sleeve 19 is separated from the limiting rod 21, the sliding sleeve 19 is separated from the limiting, the sliding sleeve 19 is driven to slide upwards under the action of a spring, the on-off sliding block 17 is driven, one end of the side surface of the on-off sliding block 17 is aligned with the on the side surface of the on-off sliding block 18 until the side of the sealing block 17 is 12, and a communication is realized, and welding smoke can enter into the smoke pipe 12.
The trigger head 27 is used for detecting the temperature of the current position, and when the temperature of the current position exceeds a preset value, the trigger head indicates that welding smoke has spread to the welding machine body 1, and the control unit controls the fan 14 to start and controls the heating rod 26 to heat; the control unit may also control the operation of the blower 14 according to the control manner in embodiment 3, and heat the heating rod 26 while the blower 14 is operated.
Through the structural design, the on-off control of the purifying box 11 is effectively realized, and when the auxiliary purifying unit is not started, the smoke inlet pipe 12 of the purifying box 11 can be blocked, so that the inside of the purifying box 11 is in a sealed state, the air exchange is reduced, and the loss and failure of adsorption liquid in the purifying box 11 are effectively avoided; when the welding fume purifier 3 cannot effectively purify fume and the fume is diffused in an emergency state, the air blower 14 is started and the fume inlet pipe 12 is communicated with the fume suction pipe 16, so that the welding fume is ensured to smoothly enter; therefore, the service life of the adsorption liquid in the purifying box 11 is prolonged, and the effectiveness of the flue gas diffusion emergency starting is ensured; at the same time, a trigger head 27 is arranged, when the temperature of the current position exceeds a preset value, surface welding fume is spread on the welding machine body 1, and an auxiliary purifying unit is started automatically.
When the emergency state of the smoke diffusion is released, the auxiliary purifying unit stops acting; the controller sequentially electrifies the electromagnetic block, the fan 14 is powered off and the heating rod 26 is powered off, the electromagnetic block generates magnetic attraction magnetic blocks after being electrified, the sliding sleeve 19 moves downwards to reset, the end of the sliding sleeve 19 moves to the position below the limiting rod 21, the smoke channel 18 is not communicated with the smoke tube 12, welding smoke cannot enter, and the electromagnetic block is powered off at the moment; after the heating rod 26 is powered off, the temperature in the heat conducting cavity 25 is reduced, so that the volume of the hot expanding gas is reduced; the extrusion force applied to the sealing shell 23 and the ejector rod 24 is reduced and reset downwards, and the limiting rod 21 is clamped above the end of the sliding sleeve 19 again under the action of a spring after being separated from the ejector rod 24.
Example 6:
As shown in fig. 7, on the basis of the above embodiment 5, the top end of the inner wall of the purifying tank 11 is connected with a catalyst bucket 30, an air bag 31 and an elastic membrane 32 are arranged in the catalyst bucket 30, the air bag 31 is arranged at the top of the catalyst bucket 30 and is connected with the upper part of the pressure chamber 28 through a pipeline, the elastic membrane 32 is connected with the pipe orifice at the bottom end of the catalyst bucket 30, a plurality of holes 33 which are pressed and opened are arranged on the elastic membrane 32, and a catalyst for accelerating the flue gas purifying reaction is contained in the catalyst bucket 30.
The side wall of the catalyst bucket 30 is connected with an extrusion air bag 34, and the extrusion air bag 34 contains hot expanding gas.
The working principle and the beneficial effects of the technical scheme are as follows:
A catalyst bucket 30 is arranged in the purifying box 11, a catalyst is placed in the catalyst bucket 30, and the catalyst is blocked by an elastic membrane 32 at the pipe orifice of the catalyst bucket 30; when the auxiliary purifying unit is used, the ejector rod 24 slides in the sealing shell 23 to squeeze the gas in the sealing shell 23 to flow into the pressure cavity 28 through the gas flow channel; the sealing shell 23 slides in the pressure cavity 28, gas in the pressure cavity 28 is extruded to flow into the air bag 31 at the top of the catalyst bucket 30, the gas in the pressure cavity 28 is set to be inert gas, the air bag 31 is expanded and deformed to extrude the catalyst, the elastic membrane 32 is extruded and deformed by the catalyst to open the holes 33, and the catalyst can be discharged through the holes 33; when the flue gas absorbed by the purifying box 11 reaches a certain amount, the flue gas cannot be timely reacted and absorbed with the adsorption liquid, the temperature in the purifying box 11 is increased, the temperature is transmitted to the catalyst hopper 30 and is transmitted to the hot expanding gas in the extruding air bag 34, the hot expanding gas expands to increase the volume of the extruding air bag 34, the catalyst is further extruded, the elastic membrane 32 is deformed and increased, the size of the holes 33 is increased, the discharge speed of the catalyst is increased, the catalyst falls into the adsorption liquid, the purification speed of the adsorption liquid to the flue gas is increased, and the purification efficiency of the auxiliary purifying unit is improved. When the auxiliary purifying unit stops working, the sealing shell 23 is reset, the air bag 31 is deformed and restored, inert gas is pushed to flow back, the elastic membrane 32 is reset to close the hole 33, and the catalyst is not discharged any more.
Example 7:
As shown in fig. 2, 8 and 9, on the basis of the above embodiment 5, the smoke outlet pipe 13 is connected with a welding smoke collecting pipe 41, the welding smoke collecting pipe 41 is connected with a welding smoke concentration detector, the smoke outlet pipe 13 is provided with an electric control valve 42, when the detected concentration of harmful gas is lower than a preset value, the control unit opens a passage of the electric control valve to discharge the purified welding smoke, and when the detected concentration of the harmful gas is higher than the preset value, the welding smoke flows back into the purifying box 11;
the welding fume collecting pipe 41 is internally provided with a flow regulating component, and the flow regulating component comprises:
The mounting seat 43, the mounting seat 43 is set up in the centre of air inlet end of the welding fume collecting pipe 41;
The clamping claws 44 are uniformly hinged on the mounting seat 43, the horizontal plane at the other end of the clamping claws 44 is clamped with the inner wall of the welding fume collecting pipe 41, and an included angle between the top surface of the clamping claws 44 and the top surface of the mounting seat 43 is an obtuse angle;
The center rod 45 is connected to the center of the mounting seat 43 in a sliding manner, and the end head of the top end of the center rod 45 is clamped above the mounting seat 43;
The floating plate 46 is connected below the central rod 45, a groove is formed in the top end of the floating plate 46, the bottom end of the central rod 45 is connected with the bottom of the groove, a spring 47 is sleeved on the central rod 45, the spring 47 is connected between the bottom of the groove and the mounting seat 43, a flow guide surface 48 is arranged on the outer side surface of the floating plate 46, a flow baffle 49 is connected to the bottom end of the floating plate 46, and the diameter of the flow baffle 49 is larger than that of the welding fume collecting pipe 41 and extends into the fume outlet pipe 13.
The working principle and the beneficial effects of the technical scheme are as follows:
After the welding fume is subjected to purification treatment of the adsorption liquid, the fume outlet pipe 13 is externally discharged, before the purified welding fume is discharged, the concentration of harmful gas in the gas is detected by a welding fume concentration detector, when the concentration of the harmful gas exceeds the standard, the harmful gas flows back to the purification box 11 for internal circulation treatment, and when the concentration of the harmful gas accords with the preset standard, the harmful gas is discharged into the environment.
When the concentration detection is carried out, the gas is required to be extracted through the welding fume collecting pipe 41 for detection, when the amount of the fume sucked into the purifying box 11 is large, the gas pressure is large, the gas is easier to be extracted through the welding fume collecting pipe 41, so that the extraction amount is large, namely the concentration value of the gas is larger at the moment; a flow regulating assembly is thus provided in the welding fume header 41.
When the flow regulating assembly is used, the horizontal plane of the outer side end of the expansion claw 44 is clamped on the inner wall of the welding fume collecting pipe 41, and is clamped with the welding fume collecting pipe 41, and when fume flows, the claw 44 forms an obtuse angle with the top surface of the mounting seat 43, and under the action of the fume, the claw 44 is connected more tightly; the flue gas flows upwards through the flue gas channel formed between the flow guiding surface 48 and the welding fume collecting pipe 41, when the air pressure in the purifying box 11 is large, the flue gas extrusion floating plate 46 moves upwards to extrude the spring 47 for energy storage, the size of the flue gas channel is reduced, namely the flue gas quantity entering the welding fume collecting pipe 41 is reduced, thereby realizing the flow regulating effect, reducing the influence of the air pressure on concentration detection and improving the concentration detection accuracy of harmful gases.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. Steel constructs welding set with flue gas purification function, its characterized in that includes:
The welding machine comprises a welding machine body (1), wherein two groups of welding guns (2) are arranged on the welding machine body (1) in a sliding manner;
The welding fume purifier (3), the welding fume purifier (3) is connected to the top end of the cross beam of the welding machine body (1), and the fume inlet of the welding fume purifier (3) is integrated on the welding gun (2) and is arranged close to the welding nozzle;
and the auxiliary purifying units are connected to the welding machine body (1), and when the welding fume is detected to diffuse to the periphery, the auxiliary purifying units are started to absorb the welding fume.
2. The steel structure welding device with the flue gas purifying function according to claim 1, wherein a welding fume detecting sensor is arranged on the welding machine body (1) and used for collecting sensing data in a target area, the target area is set to be an area within a preset distance range of the welding machine body (1), and the sensing data are set to be temperature data, particulate matter concentration data and flow rate data.
3. The steel structure welding device with the flue gas purifying function according to claim 2, wherein a control unit is arranged on the welding machine body (1), and the control unit controls the auxiliary purifying unit to work according to the acquired sensing data, specifically:
the method comprises the steps of acquiring sensing data in a target area, and preprocessing the data to acquire standard sensing data;
Based on the sensing data information, a regulation parameter set is constructed, and regulation parameter factors in the regulation parameter set are associated with each sensing data item in a one-to-one correspondence manner; the corresponding regulation parameter factors are called through matching the regulation parameter set with each item in the sensing data;
determining a welding fume purifying requirement degree value of a target area according to the regulation and control parameter factors of the sensing data;
Based on the fan gear in the auxiliary purifying unit, a working gear set of the auxiliary purifying unit is constructed, and each gear value in the working gear set corresponds to a pre-divided welding fume purifying demand degree value threshold value, so that the working gear of the auxiliary purifying unit is determined.
4. A steel structure welding device with a flue gas purifying function according to claim 3, wherein the control unit uploads the welding fume purifying requirement level value of the target area to the user terminal when the obtained control auxiliary purifying unit works, and alarms when the welding fume purifying requirement level value of the target area exceeds a preset value.
5. The welding device for steel structures with a flue gas purifying function according to claim 1, wherein the auxiliary purifying unit comprises: purifying box (11), purifying box (11) are connected on welding machine body (1), purifying box (11) inside holds adsorption liquid, be provided with in purifying box (11) and advance tobacco pipe (12) and go out tobacco pipe (13), advance tobacco pipe (12) and extend to the liquid level of adsorption liquid under, go out tobacco pipe (13) and be located adsorption liquid level top and extend purifying box (11), purifying box (11) outer wall is provided with smoke tube (16), the mouth of pipe orientation of smoke tube (16) waits the weldment, smoke tube (16) are connected with advance tobacco pipe (12), advance and be provided with fan (14) on tobacco pipe (12).
6. The welding device for steel structures with the flue gas purifying function according to claim 5, wherein an on-off unit is arranged in the purifying box (11), and the on-off unit comprises:
The on-off cavity (15) is formed in the purifying box (11), the top end of the on-off cavity (15) is connected with the smoke suction pipe (16) through a pipeline, and the side end of the on-off cavity (15) is connected with the smoke inlet pipe (12);
The on-off sliding block (17), the on-off sliding block (17) is connected in the on-off cavity (15) in a sliding way, a bent smoke channel (18) is arranged on the on-off sliding block (17), one end of the smoke channel (18) penetrates through the side end of the on-off sliding block (17), and the other end penetrates through the top end of the on-off sliding block (17);
the sliding sleeve (19), the sliding sleeve (19) is connected to the bottom end of the on-off sliding block (17), the sliding sleeve (19) extends into the transmission cavity of the purifying box (11), the bottom end of the sliding sleeve (19) is provided with a tip, the bottom end of the sliding sleeve (19) is provided with a magnetic block, and the bottom wall of the transmission cavity is provided with an electromagnetic block;
The guide post (20), the vertical connection of guide post (20) is in the transmission intracavity, sliding sleeve (19) sliding connection is in guide post (20) top, and the cover is equipped with the spring on guide post (20) to spring coupling is between sliding sleeve (19) bottom and transmission chamber.
7. The welding device with a fume cleaning function according to claim 6, wherein the on-off unit further comprises:
The limiting rod (21) is connected in the transmission cavity in a sliding way, the limiting rod (21) is horizontally arranged, one end of the limiting rod (21) is clamped above the end head of the sliding sleeve (19), a spring is connected between the other end of the limiting rod (21) and the inner wall of the transmission cavity, and a wedge-shaped groove (22) is formed in the bottom of the limiting rod (21);
the sealing shell (23), the sealing shell (23) is connected in the pressure cavity (28) below the transmission cavity in a sliding way, the bottom of the sealing shell (23) is provided with an air inlet, and the side wall of the sealing shell (23) is provided with an air flow channel for communicating the inside of the sealing shell with the pressure cavity (28);
the ejector rod (24), ejector rod (24) sliding connection is in sealed shell (23) inner wall, and ejector rod (24) top extends to the transmission intracavity, and ejector rod (24) bottom and sealed shell (23) inner wall are sealed relatively.
8. The welding device for steel structures with a flue gas purifying function according to claim 7, wherein the on-off unit further comprises: the heat conduction cavity (25), heating rod (26) and trigger head (27), heat conduction cavity (25) set up in purifying box (11), heat conduction cavity (25) are connected with pressure chamber (28) bottom through the pipeline, hold hot expanding gas in heat conduction cavity (25), heating rod (26) are connected with the control unit electricity, trigger head (27) are used for detecting the temperature of current position, trigger head (27) are connected with the control unit electricity.
9. The steel structure welding device with the flue gas purifying function according to claim 7, wherein a catalyst bucket (30) is connected to the top end of the inner wall of the purifying box (11), an air bag (31) and an elastic membrane (32) are arranged in the catalyst bucket (30), the air bag (31) is arranged at the top of the catalyst bucket (30) and is connected with the upper part of the pressure cavity (28) through a pipeline, the elastic membrane (32) is connected to the pipe orifice at the bottom end of the catalyst bucket (30), a plurality of holes (33) which are opened under pressure are formed in the elastic membrane (32), and a catalyst for accelerating the flue gas purifying reaction is contained in the catalyst bucket (30).
10. The welding device for steel structures with the flue gas purifying function according to claim 9, wherein the side wall of the catalyst bucket (31) is connected with an extrusion air bag (34), and the extrusion air bag (34) contains hot expanding gas.
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