CN113732573B - Pre-welding preheating device for large-scale oil cylinder bottom - Google Patents
Pre-welding preheating device for large-scale oil cylinder bottom Download PDFInfo
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- CN113732573B CN113732573B CN202110915785.5A CN202110915785A CN113732573B CN 113732573 B CN113732573 B CN 113732573B CN 202110915785 A CN202110915785 A CN 202110915785A CN 113732573 B CN113732573 B CN 113732573B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The invention discloses a pre-welding preheating device for a large-scale oil cylinder bottom, which comprises a heating box body, a gas tank, a heating mechanism and a containing mechanism, wherein the gas tank is fixedly arranged at the inner lower end of the heating box body, the heating mechanism is fixedly arranged on the outer surface of the front end of the heating box body, and the containing mechanism is fixedly arranged at the middle position inside the heating box body; the heating mechanism comprises a fixed rod, a fixed seat, an annular groove, a limit groove, a heating pipe and an air inlet pipe, wherein the fixed rod is fixedly arranged at the upper end and the lower end of the outer surface of the front end of the heating box body, the fixed seat is fixedly arranged between the outer surfaces of the front ends of the fixed rod, and the position of the heating ring is adjusted by pushing the limit rod, so that the combustion nozzle can perform preheating treatment on the welding position of the cylinder bottom of the large-sized oil cylinder more fully and uniformly, and the adjustment is convenient; the sleeve is connected through the elastic band, so that the gas pipe is stored on the sleeve, can be freely adjusted and is not easy to damage.
Description
Technical Field
The invention relates to the field of pre-welding preheating, in particular to a pre-welding preheating device for a large-scale oil cylinder bottom.
Background
The pre-welding preheating is a technological measure for properly heating the part and the whole of the weldment before welding. The purpose is to reduce the cooling rate of the welded joint, avoid the generation of hardening structure and reduce the welding stress and deformation, which is an effective method for preventing the generation of welding cracks.
In the process of implementing the invention, at least the following problems in the prior art are found to be unsolved: 1. when the large-scale hydro-cylinder bottom is preheated before welding, the worker needs to use the baking gun for a long time to preheat the cylinder bottom welding area, so that the labor intensity of the worker is improved, the work enthusiasm of the worker is reduced, the situation that the preheating is not uniform and sufficient can occur when the hand-held baking gun is used for preheating, and the adjustment is inconvenient, 2, when the large-scale hydro-cylinder bottom is preheated before welding, the gas pipe is randomly placed on the ground, the extrusion of the gas pipe is easy to crack, thereby causing gas leakage and safety accidents, and the gas pipe is too long and can cause winding and damage to the pipe.
For this purpose, a pre-welding preheating device for the bottom of a large-scale oil cylinder is provided.
Disclosure of Invention
The first aim of the invention is to provide a pre-welding preheating device for the cylinder bottom of a large-sized oil cylinder, which can adjust the position of a heating ring by pushing a limiting rod, so that a combustion nozzle can perform preheating treatment on the welding position of the cylinder bottom of the large-sized oil cylinder more fully and uniformly, and is convenient to adjust; through elastic band adapter sleeve to make the gas pipe accomodate on the sleeve pipe, and can freely adjust, and not fragile, in order to solve the problem that proposes among the above-mentioned prior art.
The invention provides a pre-welding preheating device for a large-scale oil cylinder bottom, which comprises a heating box body, a gas tank, a heating mechanism and a containing mechanism, wherein the gas tank is fixedly arranged at the inner lower end of the heating box body; the heating mechanism comprises a fixing rod, a fixing seat, an annular groove, a limiting groove, a heating pipe and an air inlet pipe, wherein the fixing rod is fixedly arranged at the upper end and the lower end of the outer surface of the front end of the heating box body, the fixing seat is fixedly arranged between the outer surfaces of the front ends of the fixing rod, the annular groove is formed in the front end of one outer surface of the fixing seat, the limiting groove is uniformly formed in the rear end of one outer surface of the fixing seat, the heating pipe is movably arranged in the annular groove, the air inlet pipe is fixedly arranged at the middle position of the rear end of the heating pipe, a combustion nozzle is uniformly arranged in the radial direction of the heating pipe, a fixing frame is fixedly arranged at the front end of the outer surface of the upper end of the air inlet pipe, the limiting rod penetrates through the fixing frame, a limiting disc is fixedly arranged on one side, close to the fixing seat, and a spring is fixedly arranged between the limiting disc and the fixing frame.
Through adopting above-mentioned technical scheme, firstly, through adjusting adjustable lift truckle on the heating box, adjust the heating mechanism to the position corresponding with hydro-cylinder bottom welded part, then the pulling gag lever post, make the limit plate follow the removal extrusion spring of gag lever post, make the gag lever post break away from the spacing groove, promote the gag lever post removal again, the gag lever post drives the removal of intake pipe, the intake pipe drives the heating pipe again and slides in the ring channel, thereby adjust the position of burning nozzle, when adjusting the burning nozzle to required position, slowly loosen down the gag lever post, the gag lever post block in the spacing inslot under the effect of spring force promotion, thereby make the heating pipe preheat hydro-cylinder bottom welded part, the regulation has been accomplished conveniently, and make preheating effect more even abundant, then open the gas jar and make the gas enter into the heating pipe through the gas pipe, rethread control pulse igniter ignites the gas from burning nozzle, thereby preheat welding part, monitor the preheating temperature of welded part through temperature sensor, thereby can in time preheat temperature and make the regulation.
Preferably, the adjustable lifting casters are fixedly arranged at the corners of the outer surface of the lower end of the heating box body.
Through adopting above-mentioned technical scheme, adjustable lifting caster can adjust the height of heating box to adjust the position of heating pipe, and make things convenient for the removal of heating box.
Preferably, baffles are arranged at the upper end and the lower end of the outer surface of one side of the fixing seat, and a pulse igniter and a temperature sensor are arranged at the front end of the heating pipe.
Through adopting above-mentioned technical scheme, the baffle that both ends all are provided with about one side surface of fixing base makes the heating pipe slide in the ring channel, prevents that the heating pipe from sliding out the ring channel, has protected heating pipe and gas pipe, and pulse igniter is used for igniting the gas, and temperature sensor is used for monitoring preheating temperature.
Preferably, the storage mechanism comprises a fixed shaft, a sleeve, fixed discs, an elastic band and a gas pipe, wherein the fixed shaft is fixedly arranged in the heating box body, the sleeve is sleeved on the fixed shaft, the fixed discs are sleeved on two sides of the outer surface of the sleeve, the elastic band is fixedly arranged between the rear end of the inside of the heating box body and the outer surface of the upper end of the sleeve, and the gas pipe is wound on the sleeve and positioned between the two fixed discs.
Through adopting above-mentioned technical scheme, when moving the heating pipe, the gas pipe can follow the removal of intake pipe and remove to make the gas pipe of winding on the sleeve pipe take out from guiding mechanism, the removal of gas pipe drives sheathed tube rotation, thereby makes the elastic webbing twine on the sleeve pipe, under the effect of elastic webbing elasticity, makes the gas pipe twine on the sleeve pipe all the time, has both protected the gas pipe and has not destroyed by external environment, has also prevented the winding of gas pipe self, has accomplished flexible orderly.
Preferably, the sleeve can rotate on the fixed shaft, and the position of the fixed disc can be adjusted according to the winding number of the gas pipe.
Through adopting above-mentioned technical scheme, the sleeve pipe can rotate on the fixed axle, is convenient for realize accomodating of gas pipe, and the position of fixed disk can be adjusted according to the winding number of turns of gas pipe, prevents gas pipe slippage sleeve pipe, and telescopic tubular structure makes the gas pipe twine also can not damage above.
Preferably, the air inlet pipe is horn-shaped, the rear end pipe diameter of the air inlet pipe is larger than the front end pipe diameter, and the rear end of the air inlet pipe is provided with a rubber layer.
Through adopting above-mentioned technical scheme, the intake pipe shape is loudspeaker form, and loudspeaker form structure has reduced the friction loss of gas pipe when the intake pipe contact, and the rubber layer that the rear end of intake pipe was equipped with better has reduced friction loss.
Preferably, the guiding mechanism matched with the fuel gas pipe is fixedly arranged on the right side wall of the heating box body, the guiding mechanism comprises an outer shaft sleeve, an inner shaft sleeve, a sealing ring and an oil storage bottle, the outer shaft sleeve is fixedly connected with the side wall of the heating box body, the inner shaft sleeve is rotatably arranged in the outer shaft sleeve, the sealing rings are fixedly arranged at the openings on two sides of the outer shaft sleeve and the positions of the openings on the two sides of the inner shaft sleeve, the oil storage bottle is fixedly arranged at the top of the outer shaft sleeve, lubricating oil is arranged between the outer shaft sleeve and the inner shaft sleeve, a passage is formed in the middle of the inner shaft sleeve, and the fuel gas pipe is arranged in the passage in a penetrating mode.
Through adopting above-mentioned technical scheme, when the in-process to the position of burning nozzle, just can stimulate the gas pipe and remove along in the passageway, at this in-process, because the heating pipe can take place the angle deflection, consequently the gas pipe can drive interior axle sleeve and rotate at outer axle sleeve inside for take place the angle deflection between interior axle sleeve and the outer axle sleeve both, thereby can effectually prevent to take place mutual friction because of the angle problem between gas pipe and the passageway, and then prevent to cause wearing and tearing loss to the gas pipe surface, the effectual protection gas pipe surface can not receive the scratch.
Compared with the prior art, the invention has the beneficial effects that:
1. the position of the heating ring is regulated by controlling the state of the limiting rod, so that the combustion nozzle can preheat the welding part of the bottom of the large-sized oil cylinder more fully and uniformly, the regulation is convenient, the preheating effect is more uniform and sufficient, and the working intensity of workers is reduced.
2. The elastic belt is connected to the sleeve, and under the action of elastic force of the elastic belt, the gas pipe can be always wound on the sleeve, so that the telescopic and ordered structure is realized, the gas pipe is protected from being damaged by the external environment, and the gas pipe is prevented from being wound.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a structural view of the present invention;
FIG. 2 is a view showing the combination of the stop lever and the fixing frame of the present invention;
FIG. 3 is a structural view of the receiving mechanism of the present invention;
FIG. 4 is a cross-sectional view of a heating cabinet of the present invention;
fig. 5 is a cross-sectional view of the guide mechanism of the present invention.
Reference numerals illustrate:
1. heating the box body; 11. a gas tank; 12. a guide mechanism; 121. an outer sleeve; 122. an inner sleeve; 123. a seal ring; 124. an oil storage bottle; 125. a channel; 126. lubricating oil; 13. an adjustable lifting caster; 2. a heating mechanism; 21. a fixed rod; 22. a fixing seat; 23. an annular groove; 24. a limit groove; 25. heating pipes; 251. a combustion nozzle; 252. a baffle; 253. a pulse igniter; 254. a temperature sensor; 26. an air inlet pipe; 261. a fixing frame; 262. a limit rod; 2621. a limiting disc; 2622. a spring; 3. a storage mechanism; 31. a fixed shaft; 32. a sleeve; 33. a fixed plate; 34. an elastic belt; 35. a gas pipe.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
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", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 5, the present invention provides a pre-welding preheating device for a large cylinder bottom of an oil cylinder, which comprises the following technical scheme:
the pre-welding preheating device for the bottom of a large-sized oil cylinder comprises a heating box body 1, a gas tank 11, a heating mechanism 2 and a containing mechanism 3, wherein the gas tank 11 is fixedly arranged at the inner lower end of the heating box body 1, the heating mechanism 2 is fixedly arranged on the outer surface of the front end of the heating box body 1, and the containing mechanism 3 is fixedly arranged at the inner middle position of the heating box body 1; the heating mechanism 2 comprises a fixed rod 21, a fixed seat 22, an annular groove 23, a limiting groove 24, a heating pipe 25 and an air inlet pipe 26, wherein the fixed rod 21 is fixedly arranged at the upper end and the lower end of the outer surface of the front end of the heating box body 1, the fixed seat 22 is fixedly arranged between the outer surfaces of the front ends of the fixed rod 21, the annular groove 23 is formed in the front end of the outer surface of one side of the fixed seat 22, the limiting groove 24 is uniformly formed in the rear end of the outer surface of one side of the fixed seat 22, the heating pipe 25 is movably arranged in the annular groove 23, the air inlet pipe 26 is fixedly arranged at the middle position of the rear end of the heating pipe 25, the combustion nozzle 251 is uniformly arranged in the radial direction of the heating pipe 25, a fixed frame 261 is fixedly arranged at the front end of the outer surface of the upper end of the air inlet pipe 26, a limiting rod 262 penetrates through the fixed frame 261, a limiting disc 2621 is fixedly arranged on one side of the outer surface of the limiting rod 262, which is close to the fixed seat 22, and a spring 2622 is fixedly arranged between the limiting disc 2621 and the fixed frame 261.
Through adopting above-mentioned technical scheme, firstly, through adjusting adjustable lift truckle 13 on the heating box 1, adjust the heating mechanism 2 to the position corresponding with hydro-cylinder bottom welded part, then pull gag lever post 262, make the removal extrusion spring 2622 of gag lever post 262 be followed to gag lever post 2621, make gag lever post 262 break away from spacing groove 24, promote the removal of gag lever post 262, the removal of intake pipe 26 is driven to gag lever post 262, intake pipe 26 drives the heating pipe 25 again and slides in ring channel 23, thereby adjust the position of burning nozzle 251, when adjusting the required position with burning nozzle 251, slowly loosen down gag lever post 262, the gag lever post 262 is in spacing groove 24 under the effect of spring 2622 promotion, thereby make heating pipe 25 preheat hydro-cylinder bottom welded part, the regulation has been accomplished conveniently, through carrying out the angular adjustment to heating pipe 25, can carry out all-round preheating to hydro-cylinder bottom welded part, and make preheating effect more even abundant, then open the gas jar 11 makes the gas get into heating pipe 25 through gas pipe 35, the gas that is followed burning nozzle 251 and is spouted, thereby preheat the gas that spouts from burning nozzle 251 through control pulse igniter 251, thereby preheat the position, the temperature sensor is preheated to the temperature sensor 254 is preheated in time, thereby the temperature sensor is adjusted.
Specifically, the adjustable lifting castor 13 is fixedly installed at the corner position of the outer surface of the lower end of the heating box body 1.
Through adopting above-mentioned technical scheme, adjustable lift truckle 13 can adjust the height of heating box 1 to adjust the position of heating pipe 25, and make things convenient for the removal of heating box 1.
Specifically, baffles 252 are disposed at the upper and lower ends of the outer surface of one side of the fixing seat 22, and a pulse igniter 253 and a temperature sensor 254 are disposed at the front end of the heating tube 25.
Through adopting above-mentioned technical scheme, the baffle 252 that both ends all were provided with about the surface of one side of fixing base 22 makes heating pipe 25 in ring channel 23 slip, prevents that heating pipe 25 from sliding out ring channel 23, has protected heating pipe 25 and gas pipe 35, and pulse igniter 253 is used for igniting the gas, and temperature sensor 254 is used for monitoring the preheating temperature.
Specifically, the storage mechanism 3 comprises a fixed shaft 31, a sleeve pipe 32, a fixed disc 33, an elastic belt 34 and a gas pipe 35, wherein the fixed shaft 31 is fixedly installed in the heating box body 1, the sleeve pipe 32 is sleeved on the fixed shaft 31, the fixed disc 33 is sleeved on two sides of the outer surface of the sleeve pipe 32, the elastic belt 34 is fixedly installed between the rear end of the inside of the heating box body 1 and the outer surface of the upper end of the sleeve pipe 32, and the gas pipe 35 is wound on the sleeve pipe 32 and located between the two fixed discs 33.
Through adopting above-mentioned technical scheme, when moving heating pipe 25, gas pipe 35 can follow the removal of intake pipe 26 and remove to make the gas pipe 35 of winding on sleeve pipe 32 take out from guiding mechanism 12, the removal of gas pipe 35 drives the rotation of sleeve pipe 32, thereby makes elastic webbing 34 twine on sleeve pipe 32, under the effect of elastic webbing 34 elasticity, makes gas pipe 35 twine on sleeve pipe 32 all the time, has both protected gas pipe 35 not destroyed by external environment, has also prevented the winding of gas pipe 35 self, has accomplished flexible orderly.
Specifically, the sleeve 32 may rotate on the fixed shaft 31, and the position of the fixed disk 33 may be adjusted according to the number of windings of the gas pipe 35.
Through adopting above-mentioned technical scheme, sleeve pipe 32 can rotate on fixed axle 31, is convenient for realize accomodating of gas pipe 35, and the position of fixed disk 33 can be adjusted according to the winding number of turns of gas pipe 35, prevents gas pipe 35 slippage sleeve pipe 32, and the tubular structure of sleeve pipe 32 makes gas pipe 35 twine also can not damage above that.
Specifically, the air inlet pipe 26 is horn-shaped, the rear end pipe diameter of the air inlet pipe 26 is larger than the front end pipe diameter, and the rear end of the air inlet pipe 26 is provided with a rubber layer.
By adopting the above technical scheme, the shape of the air inlet pipe 26 is horn-shaped, and the horn-shaped structure reduces friction loss of the gas pipe 35 when the air inlet pipe 26 contacts.
Specifically, guiding mechanism 12 with gas pipe 35 assorted is installed to heating box 1 right side wall fixed mounting, guiding mechanism 12 includes outer axle sleeve 121, interior axle sleeve 122, sealing washer 123 and oil storage bottle 124, fixed connection between outer axle sleeve 121 and the heating box 1 lateral wall, interior axle sleeve 122 is installed in the inside rotation of outer axle sleeve 121, the equal fixed mounting of outer axle sleeve 121 both sides opening part and interior axle sleeve 122 contact position department has sealing washer 123, outer axle sleeve 121 top fixed mounting has oil storage bottle 124, be provided with lubricating oil 126 between outer axle sleeve 121 and the interior axle sleeve 122, interior axle sleeve 122 middle part has seted up passageway 125, gas pipe 35 runs through the setting in passageway 125 inside.
Through adopting above-mentioned technical scheme, when the in-process of adjusting the position of burning nozzle 251, just can stimulate gas pipe 35 and remove along in passageway 125, in this in-process, because heating pipe 25 can take place the angle deflection, consequently, gas pipe 35 can drive interior axle sleeve 122 and the inside rotation of outer axle sleeve 121, make and take place the angle deflection between interior axle sleeve 122 and the outer axle sleeve 121, thereby can effectually prevent between gas pipe 35 and the passageway 125 and take place mutual friction because of the angle problem, and then prevent to cause wearing and tearing loss to gas pipe 35 surface, effectually protect gas pipe 35 surface can not receive the scratch, simultaneously because outer axle sleeve 121 top is provided with oil storage bottle 124, oil storage bottle 124 inside is provided with lubricating oil 126, when taking place the rotation between interior axle sleeve 122 and the outer axle sleeve 121, lubricating oil 126 inside oil storage bottle 124 can flow to the gap that forms between interior axle sleeve 122 and the outer axle sleeve 121, when taking place the mutual rotation between interior axle sleeve 122 and the outer axle sleeve 121, and can reduce the friction between the two, and then take place the angle rotation between the two, oil storage bottle 124 bottom has been seted up the oilhole, the oil storage bottle 124, the corresponding bore hole 123 is equipped with the inner axle sleeve 122 and the inner axle sleeve 121, the inner axle sleeve 122 is located in the position of sealing ring 122, the inner shaft sleeve 122 is formed with the inner shaft sleeve 122, the axial sleeve 122 is sealed, the position is normally, the sealing hole is formed with the inner shaft sleeve 122 is located with the axial bore hole 122.
Working principle: firstly, the heating mechanism 2 is adjusted to a position corresponding to the welding position of the cylinder bottom of the oil cylinder by adjusting the adjustable lifting castor 13 on the heating box body 1, then the limiting rod 262 is pulled, the limiting disc 2621 presses the spring 2622 along with the movement of the limiting rod 262, the limiting rod 262 is separated from the limiting groove 24, the limiting rod 262 is pushed to move, the limiting rod 262 drives the air inlet pipe 26 to move, the air inlet pipe 26 drives the heating pipe 25 to slide in the annular groove 23, so that the position of the combustion nozzle 251 is adjusted, when the combustion nozzle 251 is adjusted to a required position, the limiting rod 262 is slowly loosened, the limiting rod 262 is clamped in the limiting groove 24 under the action of the elastic force of the spring 2622, and therefore the heating pipe 25 preheats the welding position of the cylinder bottom of the oil cylinder, the adjustment is convenient, and the preheating effect is more uniform and sufficient; when the heating pipe 25 is moved, the gas pipe 35 moves along with the movement of the gas inlet pipe 26, so that the gas pipe 35 wound on the sleeve 32 is pulled out from the guide mechanism 12, the movement of the gas pipe 35 drives the sleeve 32 to rotate, so that the elastic belt 34 is wound on the sleeve 32, and the gas pipe 35 can be wound on the sleeve 32 all the time under the action of the elastic force of the elastic belt 34, thereby protecting the gas pipe 35 from being damaged by the external environment, preventing the gas pipe 35 from being wound on itself, and achieving orderly extension; then, the gas tank 11 is opened again to enable the gas to enter the heating pipe 25 through the gas pipe 35, then the gas sprayed from the combustion nozzle 251 is ignited through the control pulse igniter 253, so that the welding position is preheated, the preheating temperature of the welding position is monitored through the temperature sensor 254, and the preheating temperature can be adjusted in time.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. A preheat device before welding for large-scale hydro-cylinder bottom, its characterized in that: the gas tank (11) is fixedly arranged at the lower end of the inside of the heating box body (1), the heating mechanism (2) is fixedly arranged on the outer surface of the front end of the heating box body (1), and the containing mechanism (3) is fixedly arranged at the middle position of the inside of the heating box body (1); the heating mechanism (2) comprises a fixed rod (21), a fixed seat (22), an annular groove (23), a limit groove (24), a heating pipe (25) and an air inlet pipe (26), wherein the fixed rod (21) is fixedly arranged at the upper end and the lower end of the outer surface of the front end of the heating box body (1), the fixed seat (22) is fixedly arranged between the outer surfaces of the front ends of the fixed rod (21), the annular groove (23) is formed in the front end of the outer surface of one side of the fixed seat (22), the limit groove (24) is uniformly formed in the rear end of the outer surface of one side of the fixed seat (22), the heating pipe (25) is movably arranged in the annular groove (23), the air inlet pipe (26) is fixedly arranged at the middle position of the rear end of the heating pipe (25), the combustion nozzle (251) is uniformly arranged in the radial direction of the heating pipe (25), a fixed frame (261) is fixedly arranged at the front end of the outer surface of the upper end of the air inlet pipe (26), a limit rod (262) is penetrated in the fixed frame (261), one side of the outer surface of the limit rod (262) close to the fixed seat (22) is fixedly provided with a limit disc (2621), and a spring (2) is fixedly arranged between the limit disc (2621) and the limit disc (2621).
The storage mechanism (3) comprises a fixed shaft (31), a sleeve (32), a fixed disc (33), an elastic belt (34) and a gas pipe (35), wherein the fixed shaft (31) is fixedly installed in the heating box body (1), the sleeve (32) is sleeved on the fixed shaft (31), the fixed disc (33) is sleeved on two sides of the outer surface of the sleeve (32), the elastic belt (34) is fixedly installed between the rear end of the inside of the heating box body (1) and the outer surface of the upper end of the sleeve (32), and the gas pipe (35) is wound on the sleeve (32) and is positioned between the two fixed discs (33);
the sleeve (32) can rotate on the fixed shaft (31), and the position of the fixed disc (33) can be adjusted according to the winding number of the gas pipe (35);
the utility model discloses a heating cabinet, including heating cabinet (1), heating cabinet (1) right side wall fixed mounting has guiding mechanism (12) with gas pipe (35) assorted, guiding mechanism (12) are including outer axle sleeve (121), interior axle sleeve (122), sealing washer (123) and oil storage bottle (124), fixed connection between outer axle sleeve (121) and heating cabinet (1) lateral wall, interior axle sleeve (122) are installed in outer axle sleeve (121) internal rotation, the equal fixed mounting of outer axle sleeve (121) both sides opening part and interior axle sleeve (122) contact position department has sealing washer (123), outer axle sleeve (121) top fixed mounting has oil storage bottle (124), be provided with lubricating oil (126) between outer axle sleeve (121) and the interior axle sleeve (122), interior axle sleeve (122) middle part has been seted up passageway (125), gas pipe (35) run through and set up inside passageway (125).
2. The pre-welding preheating device for the bottom of a large-scale oil cylinder according to claim 1, wherein: the corner positions of the outer surface of the lower end of the heating box body (1) are fixedly provided with adjustable lifting casters (13).
3. The pre-welding preheating device for the bottom of a large-scale oil cylinder according to claim 1, wherein: baffle plates (252) are arranged at the upper end and the lower end of the outer surface of one side of the fixing seat (22), and a pulse igniter (253) and a temperature sensor (254) are arranged at the front end of the heating pipe (25).
4. The pre-welding preheating device for the bottom of a large-scale oil cylinder according to claim 1, wherein: the air inlet pipe (26) is horn-shaped, the rear end pipe diameter of the air inlet pipe (26) is larger than the front end pipe diameter, and the rear end of the air inlet pipe (26) is provided with a rubber layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110915785.5A CN113732573B (en) | 2021-08-10 | 2021-08-10 | Pre-welding preheating device for large-scale oil cylinder bottom |
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| CN202110915785.5A CN113732573B (en) | 2021-08-10 | 2021-08-10 | Pre-welding preheating device for large-scale oil cylinder bottom |
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| CN113732573A CN113732573A (en) | 2021-12-03 |
| CN113732573B true CN113732573B (en) | 2023-10-20 |
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| CN204714870U (en) * | 2015-06-01 | 2015-10-21 | 安徽理工大学 | A kind of oil gas pipeline girth weld thermal treatment unit |
| CN209200304U (en) * | 2018-09-26 | 2019-08-02 | 南京机电职业技术学院 | A kind of elongation socket |
| CN209614638U (en) * | 2019-02-13 | 2019-11-12 | 郑州立德机电设备有限公司 | A kind of weld preheating device for mill type cylinder cylinder bottom |
| CN211939594U (en) * | 2020-04-03 | 2020-11-17 | 嵊州市永昇机械有限公司 | Steel construction welding preheating device |
| CN212217535U (en) * | 2020-07-13 | 2020-12-25 | 十堰强玖工贸有限公司 | Commercial axle rear cover bearing pedestal welding tool |
| CN213577482U (en) * | 2020-10-21 | 2021-06-29 | 天顺（珠海）新能源有限公司 | Flame preheating device before tower cylinder welding |
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