CN215103407U - Automatic change high pressure fuel pipe inner wall and reinforce device - Google Patents

Automatic change high pressure fuel pipe inner wall and reinforce device Download PDF

Info

Publication number
CN215103407U
CN215103407U CN202121518015.9U CN202121518015U CN215103407U CN 215103407 U CN215103407 U CN 215103407U CN 202121518015 U CN202121518015 U CN 202121518015U CN 215103407 U CN215103407 U CN 215103407U
Authority
CN
China
Prior art keywords
support
steel pipe
assembly
pipe
strengthening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121518015.9U
Other languages
Chinese (zh)
Inventor
李信彬
郑发奋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuzhou Noble Fuji Mechanical And Electrical Ltd
Original Assignee
Fuzhou Noble Fuji Mechanical And Electrical Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuzhou Noble Fuji Mechanical And Electrical Ltd filed Critical Fuzhou Noble Fuji Mechanical And Electrical Ltd
Priority to CN202121518015.9U priority Critical patent/CN215103407U/en
Application granted granted Critical
Publication of CN215103407U publication Critical patent/CN215103407U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Heat Treatment Of Articles (AREA)

Abstract

The utility model discloses an automatic high-pressure oil pipe inner wall strengthening device, which comprises a support and support legs arranged at four corners of the lower end of the support, wherein the lower end of the support leg is provided with a support plate, a transmission component for transmitting a steel pipe is arranged in the support, an unloading guide plate for conveying the processed steel pipe is arranged at the support at the right end of the transmission component, an axial adjusting component for axially adjusting the steel pipe is arranged at the left end of the support, a heating component for heating the steel pipe and a strengthening component for internally pressurizing, strengthening and rapidly cooling the steel pipe are arranged at the right side of the axial adjusting component, the utility model is designed aiming at the defects of the prior device, can quickly and internally strengthen the steel pipe and eliminate stress treatment of the steel pipe, can finely adjust the steel pipe in the transportation process, and ensures the accuracy of butt joint, the machining efficiency is effectively improved, and the practicability is high.

Description

Automatic change high pressure fuel pipe inner wall and reinforce device
Technical Field
The utility model relates to an iron pipe processing technology field specifically is an automatic change high pressure fuel pipe inner wall and reinforce device.
Background
The high-pressure oil pipe is a component of a high-pressure oil circuit, the oil pipe consists of a steel wire winding framework layer and inner and outer oil-resistant and corrosion-resistant synthetic rubber, and is used for conveying engineering machinery hydraulic oil pipes, seabed natural gas, petroleum, irrigation, steel works, chemical plants and other media, the oil pipe is required to bear certain oil pressure and have certain fatigue strength, and the sealing requirement of the pipeline is ensured.
In order to improve the performance of a high-pressure oil pipe, the inner wall of the iron pipe needs to be strengthened, namely, two ends of the iron pipe are plugged, high-pressure liquid is injected to exert huge pressure, so that the iron pipe is pressed from inside to outside, and a heating and rapid cooling device is matched to strengthen the structure and eliminate the stress of the iron pipe.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic change high pressure fuel pipe inner wall and reinforce device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an automatic high-pressure oil pipe inner wall strengthening device comprises a support and support legs arranged at four corners of the lower end of the support, wherein a support plate is arranged at the lower end of each support leg, a transmission assembly used for transmitting a steel pipe is arranged in each support, an unloading guide plate used for conveying the processed steel pipe is arranged on the support at the right end of each transmission assembly, an axial adjusting assembly used for axially adjusting the steel pipe is arranged at the left end of each support, a heating assembly used for heating the steel pipe and a strengthening assembly used for internally pressurizing, strengthening and rapidly cooling the steel pipe are arranged on the right side of each axial adjusting assembly, a positioning assembly used for detecting the position of the steel pipe is arranged on each support, and the positioning assembly, the strengthening assemblies and the heating assemblies are electrically connected with a control panel;
the reinforcing assembly comprises a plugging and butting assembly for butting and plugging two ends of the steel pipe and an oil supply piece for inputting high-pressure oil into the steel pipe, and the input end of the plugging and butting assembly is further connected with the cold air piece.
As a further aspect of the present invention: the shutoff butt joint subassembly includes that two symmetries set up the mounting substrate in the support side, and every mounting substrate upper end all slides and is equipped with a second riser, the connection of second riser lower extreme is used for driving its along the gliding first catch bar of mounting substrate, set up the mouth of wearing that one end of steel pipe of being convenient for passed on the second riser, the second riser one end that is close to the support be equipped with wear mouthful coaxial setting's toper guide block, be equipped with the second base plate of a level setting with the second riser one side that toper guide block carried on the back mutually, the second base plate upper end slides and is equipped with a second riser, the connection of second riser lower extreme is used for driving its along the gliding second catch bar of second base plate, be equipped with on the second riser and be used for with steel pipe tip matched with sealing joint, the sealing joint other end is connected with the fuel feeding through transmission liquid pipe.
As a further aspect of the present invention: the oil supply part comprises a high-pressure liquid pump arranged at the lower end of the support, a cooling box connected with one of the transmission liquid pipes is arranged at the discharge end of the high-pressure liquid pump, high-pressure oil can be input into the steel pipe through the cooling box, so that the inner wall of the pipeline is subjected to strengthening treatment, the oil inlet end of the cooling box is sealed, the high-pressure oil is injected through the high-pressure liquid pump, the inner wall of the steel pipe is subjected to strengthening treatment, the steel pipe is heated afterwards, and stress is eliminated.
As a further aspect of the present invention: the air conditioning piece includes the intake pipe of being connected with transmission liquid pipe side, is equipped with the check valve in the intake pipe, and the intake-tube connection is used for providing the air pump of air conditioning.
As a further aspect of the present invention: heating element includes that the level erects the burning seat at the support inner wall, and equidistant the arrangement has the burning shower nozzle on the burning seat, and the gas jar is connected to the air feed end of burning seat, is the burning shower nozzle air feed through the gas jar to carry out the intensification processing to the steel pipe surface, heating element is still including being used for making the even upset subassembly of steel pipe heating.
As a further aspect of the present invention: the upset subassembly includes that two symmetries set up the mounting bracket in the support both sides, and every mounting bracket lower extreme is connected and is used for driving its lifter that reciprocates, all rotates on every mounting bracket and is equipped with a second backing roll and first backing roll, second backing roll and first backing roll are connected and are used for driving its pivoted upset motor, the rotation opposite direction of first backing roll and second backing roll.
As a further aspect of the present invention: the positioning assembly comprises a laser emitting block and a receiving block which are arranged on the support, and the positions of the laser emitting block and the receiving block correspond to each other.
As a further aspect of the present invention: the axial adjustment subassembly includes that two symmetries set up the swash plate of dialling to the side of the support, and two are dialled the swash plate and are eight style of calligraphy structures, and every is dialled and all is equipped with a first telescopic link and a second telescopic link between swash plate and the support, first telescopic link and second telescopic link bottom are rotated and are set up to the side of the support, the output of first telescopic link and second telescopic link with dial the swash plate surface and rotate and be connected.
As a further aspect of the present invention: the transmission assembly comprises a left transmission wheel group and a right transmission wheel group, the left transmission wheel group and the right transmission wheel group are in transmission connection through a transmission chain, a plurality of shifting blocks used for shifting the steel pipes are distributed on the surface of the transmission chain in an array mode, the end portions of the fixed shafts of the transmission wheels are fixedly connected with the output end of the transmission motor, and the position of the left transmission wheel is lower than that of the right transmission wheel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses drawback to current device designs, can carry out quick inside to the steel pipe and reinforce to can carry out the stress relief to the steel pipe and handle, can finely tune the processing to the steel pipe in the transportation, guarantee the accuracy of butt joint, the effectual machining efficiency that has improved, the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a schematic structural view of the middle plugging butt-joint component of the present invention.
Fig. 4 is a schematic structural diagram of the middle turning assembly of the present invention.
Wherein: the device comprises a support 11, supporting legs 12, a turnover component 13, a high-pressure liquid pump 14, a cooling box 15, a transportation motor 16, a discharging guide plate 17, a transmission chain 18, a shifting block 19, a plugging butt joint component 20, a shifting inclined plate 21, a steel pipe 22, a transmission wheel 23, a heating component 24, a transmission liquid pipe 25, a first push rod 26, a second push rod 27, a second vertical plate 28, a sealing joint 29, a second vertical plate 30, a conical guide block 31, a penetrating port 32, a first telescopic rod 33, a second telescopic rod 34, a first supporting roller 35, a second supporting roller 36, a mounting frame 37 and a lifting push rod 38.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, an automatic inner wall strengthening device for a high pressure oil pipe comprises a support 11 and support legs 12 disposed at four corners of a lower end thereof, the lower end of the supporting leg 12 is provided with a supporting plate, the inside of the bracket 11 is provided with a transmission component for transmitting the steel pipe 22, a discharging guide plate 17 for conveying the processed steel pipe 22 is arranged on the bracket 11 at the right end of the transmission component, the left end of the bracket 11 is provided with an axial adjusting component for axially adjusting the steel pipe 22, a heating component 24 for heating the steel pipe 22 and a strengthening component for internally pressurizing and strengthening and rapidly cooling the steel pipe 22 are arranged on the right side of the axial adjusting component, the support 11 is provided with a positioning component for detecting the position of the steel pipe 22, and the positioning component, the reinforcing component and the heating component 24 are electrically connected with a control panel;
the reinforcing assembly comprises a plugging and butting assembly 20 for butting and plugging two ends of a steel pipe 22 and an oil supply piece for inputting high-pressure oil into the steel pipe 22, and the input end of the plugging and butting assembly 20 is also connected with a cold air piece;
the plugging butt joint component 20 comprises two mounting base plates symmetrically arranged on the side surface of the support 11, a second vertical plate 30 is arranged at the upper end of each mounting base plate in a sliding manner, the lower end of the second vertical plate 30 is connected with a first push rod 26 for driving the second vertical plate to slide along the mounting base plate, a through hole 32 for allowing one end of the steel pipe 22 to pass through is formed in the second vertical plate 30, one end of the second vertical plate 30 close to the support 11 is provided with a conical guide block 31 coaxially arranged with the through hole 32, one side of the second vertical plate 30 opposite to the conical guide block 31 is provided with a horizontally arranged second base plate, a second vertical plate 28 is arranged at the upper end of the second base plate in a sliding manner, the lower end of the second vertical plate 28 is connected with a second push rod 27 for driving the second vertical plate to slide along the second base plate, a sealing joint 29 matched with the end part of the steel pipe 22 is arranged on the second vertical plate 28, and the other end of the sealing joint 29 is connected with an oil supply part through a transmission liquid pipe 25, in practical use, when the position of the steel pipe 22 is detected to reach the target position, the first push rod 26 drives the second vertical plate 30 to slide, the steel pipe 22 can easily pass through the through opening 32 to correspond to the position of the sealing joint 29 under the guidance of the conical surface of the conical guide block 31, and then the second push rod 27 drives the sealing joint 29 to abut against the end part of the steel pipe 22, so that the pipe connecting operation is completed;
the oil supply part comprises a high-pressure liquid pump 14 arranged at the lower end of the support 11, a cooling box 15 connected with one of the transmission liquid pipes 25 is arranged at the discharge end of the high-pressure liquid pump 14, high-pressure oil can be input into the steel pipe 22 through the cooling box 15 so as to strengthen the inner wall of the pipeline, the oil inlet end of the cooling box 15 is sealed, the high-pressure oil is injected through the high-pressure liquid pump 14 so as to strengthen the inner wall of the steel pipe 22, and then the steel pipe 22 is heated so as to eliminate stress;
the air cooling part comprises an air inlet pipe connected with the side surface of the liquid transmission pipe 25, a one-way valve is arranged on the air inlet pipe, the air inlet pipe is connected with an air pump for providing cold air, and the air pump is used for providing the cold air to the steel pipe 22, so that the high-temperature steel pipe 22 is rapidly cooled;
the heating assembly 24 comprises a combustion seat horizontally erected on the inner wall of the support 11, combustion nozzles are arranged on the combustion seat at equal intervals, a gas supply end of the combustion seat is connected with a gas tank, gas is supplied to the combustion nozzles through the gas tank, so that the surface of the steel pipe 22 is heated, and the heating assembly 24 further comprises a turnover assembly 13 for enabling the steel pipe 22 to be uniformly heated;
the overturning assembly 13 comprises two mounting frames 37 symmetrically arranged on two sides of the support 11, the lower end of each mounting frame 37 is connected with a lifting push rod 38 for driving the mounting frame to move up and down, each mounting frame 37 is rotatably provided with a second supporting roller 36 and a first supporting roller 35, the second supporting roller 36 and the first supporting roller 35 are connected with an overturning motor for driving the mounting frame to rotate, the rotating directions of the first supporting roller 35 and the second supporting roller 36 are opposite, the lifting push rod 38 drives the mounting frames 37 to ascend, so that two ends of the steel pipe 22 are supported, and then the overturning motor drives the first supporting roller 35 and the second supporting roller 36 to rotate, so that the steel pipe 22 is continuously overturned during heating, and the heating is more uniform;
the positioning assembly comprises a laser emitting block and a receiving block which are arranged on the support 11, and when light rays emitted by the laser emitting block cannot be received by the receiving block, the surface steel pipe 22 blocks signals, so that the position of the steel pipe 22 is displayed;
the axial adjusting assembly comprises two inclined correcting plates 21 symmetrically arranged on the side face of the support 11, the two inclined correcting plates 21 are of a splayed structure, a first telescopic rod 33 and a second telescopic rod 34 are arranged between each inclined correcting plate 21 and the support 11, the bottoms of the first telescopic rod 33 and the second telescopic rod 34 are rotatably arranged on the side face of the support 11, the output ends of the first telescopic rod 33 and the second telescopic rod 34 are rotatably connected with the surface of the inclined correcting plate 21, the distance between the two inclined correcting plates 21 is adjusted by adjusting the lengths of the first telescopic rod 33 and the second telescopic rod 34 simultaneously, and the inclined correcting plates 21 can be inclined at different angles by adjusting the lengths of the first telescopic rod 33 and the second telescopic rod 34 respectively so as to better guide the steel pipes 22;
the transmission assembly comprises a left transmission wheel group and a right transmission wheel group 23 which are connected in a transmission mode through a transmission chain 18 between the left transmission wheel group and the right transmission wheel group 23, a plurality of shifting blocks 19 used for shifting the steel pipe 22 are distributed on the surface of the transmission chain 18 in an array mode, the end portion of a fixed shaft of the transmission wheel 23 is fixedly connected with the output end of the transportation motor 16, the position of the left transmission wheel 23 is lower than the position of the right transmission wheel 23, and therefore the transmission chain 18 is arranged in a high-left-low mode, the steel pipe 22 and the shifting blocks 19 are convenient to abut against and press to contact with each other, the steel pipe 22 is prevented from rolling randomly, and the shifting blocks 19 on the transmission chain 18 drive the steel pipe 22 to move from left to right under the driving of the transportation motor 16.
The utility model discloses a theory of operation is: in practical use, the steel pipe 22 to be processed is placed on the transmission chain 18, the steel pipe 22 moves to the right side under the stirring of the stirring block 19, the steel pipe 22 is firstly transported to the position of the plugging butt joint component 20, the first push rod 26 drives the second vertical plate 30 to slide, the steel pipe 22 can easily penetrate through the penetrating opening 32 to correspond to the position of the sealing joint 29 under the guiding of the conical surface of the conical guide block 31, then the sealing joint 29 is driven to abut against the end part of the steel pipe 22 through the second push rod 27, so that the pipe connection operation is completed, oil is conveyed into the steel pipe 22 through the oil supply piece, so that the strengthening treatment of the inner wall of the iron pipe is completed, after the strengthening treatment, the steel pipe 22 is heated through the heating component 24, so that the stress generated by the strengthening is eliminated, then the steel pipe 22 is moved to the position of the plugging butt joint component 20, at the moment, cold air is provided for the steel pipe 22 through the air pump, so that the high-temperature steel pipe 22 is rapidly cooled, the steel tube 22 is then driven to the right by the transmission chain 18 and finally discharged along the discharge guide 17.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention.

Claims (9)

1. The automatic high-pressure oil pipe inner wall strengthening device comprises a support (11) and support legs (12) arranged at four corners of the lower end of the support, wherein a support disc is arranged at the lower end of each support leg (12), the automatic high-pressure oil pipe inner wall strengthening device is characterized in that a transmission assembly used for transmitting a steel pipe (22) is arranged in each support (11) at the inner part of each support (11), a discharging guide plate (17) used for conveying the steel pipe (22) after machining away is arranged on each support (11) at the right end of each transmission assembly, an axial adjusting assembly used for axially adjusting the steel pipe (22) is arranged at the left end of each support (11), a heating assembly (24) used for heating the steel pipe (22) and a strengthening assembly used for internally pressurizing and strengthening and rapidly cooling the steel pipe (22) are arranged on the right side of the axial adjusting assembly, a positioning assembly used for detecting the position of the steel pipe (22) is arranged on each support (11), and the positioning assemblies, The strengthening component and the heating component (24) are electrically connected with the control panel;
the reinforcing component comprises a plugging and butting component (20) for butting and plugging two ends of a steel pipe (22) and an oil supply piece for inputting high-pressure oil into the steel pipe (22), and the input end of the plugging and butting component (20) is also connected with a cold air piece.
2. The device for strengthening the inner wall of the automatic high-pressure oil pipe according to claim 1, wherein the plugging and docking assembly (20) comprises two mounting base plates symmetrically arranged on the side surface of the support (11), a second vertical plate (30) is slidably arranged at the upper end of each mounting base plate, the lower end of each second vertical plate (30) is connected with a first push rod (26) for driving the second vertical plate to slide along the mounting base plate, a penetrating opening (32) for allowing one end of the steel pipe (22) to penetrate through is formed in each second vertical plate (30), a conical guide block (31) coaxial with the penetrating opening (32) is arranged at one end of each second vertical plate (30) close to the support (11), a second base plate horizontally arranged is arranged on one side of each second vertical plate (30) opposite to the corresponding conical guide block (31), a second vertical plate (28) is slidably arranged at the upper end of each second base plate, and the lower end of each second vertical plate (28) is connected with a second push rod (27) for driving the second vertical plate to slide along the second base plate, be equipped with on second riser (28) and be used for with steel pipe (22) tip matched with sealing joint (29), the sealing joint (29) other end is connected with the oil supply through transmission liquid pipe (25).
3. The automatic high-pressure oil pipe inner wall strengthening device is characterized in that the oil supply part comprises a high-pressure liquid pump (14) arranged at the lower end of the bracket (11), and a cooling box (15) connected with one of the conveying liquid pipes (25) is arranged at the discharge end of the high-pressure liquid pump (14).
4. The automatic high-pressure oil pipe inner wall strengthening device is characterized in that the cold air piece comprises an air inlet pipe connected with the side surface of the liquid conveying pipe (25), a one-way valve is arranged on the air inlet pipe, and the air inlet pipe is connected with an air pump for providing cold air.
5. The device for strengthening the inner wall of the automatic high-pressure oil pipe according to claim 1, wherein the heating assembly (24) comprises a combustion seat horizontally erected on the inner wall of the bracket (11), combustion nozzles are arranged on the combustion seat at equal intervals, a gas tank is connected to a gas supply end of the combustion seat, gas is supplied to the combustion nozzles through the gas tank, so that the surface of the steel pipe (22) is subjected to temperature rise treatment, and the heating assembly (24) further comprises a turnover assembly (13) for enabling the steel pipe (22) to be heated uniformly.
6. The automatic high-pressure oil pipe inner wall strengthening device is characterized in that the overturning assembly (13) comprises two symmetrical mounting frames (37) arranged on two sides of the support (11), the lower end of each mounting frame (37) is connected with a lifting push rod (38) used for driving the mounting frame to move up and down, a second supporting roller (36) and a first supporting roller (35) are arranged on each mounting frame (37) in a rotating mode, the second supporting roller (36) and the first supporting roller (35) are connected with an overturning motor used for driving the first supporting roller (35) to rotate, and the rotating directions of the first supporting roller (35) and the second supporting roller (36) are opposite.
7. The automatic high-pressure oil pipe inner wall strengthening device is characterized in that the positioning assembly comprises a laser emitting block and a receiving block which are arranged on the support (11), and the positions of the laser emitting block and the laser receiving block correspond to each other.
8. The device for strengthening the inner wall of the automatic high-pressure oil pipe according to claim 1, wherein the axial adjusting assembly comprises two symmetrically-arranged correcting inclined plates (21) arranged on the side surface of the support (11), the two correcting inclined plates (21) are in a splayed structure, a first telescopic rod (33) and a second telescopic rod (34) are arranged between each correcting inclined plate (21) and the support (11), the bottoms of the first telescopic rod (33) and the second telescopic rod (34) are rotatably arranged on the side surface of the support (11), and the output ends of the first telescopic rod (33) and the second telescopic rod (34) are rotatably connected with the surface of each correcting inclined plate (21).
9. The automatic high-pressure oil pipe inner wall strengthening device is characterized in that the transmission assembly comprises a left transmission wheel set and a right transmission wheel set (23), the left transmission wheel set and the right transmission wheel set (23) are in transmission connection through a transmission chain (18), a plurality of poking blocks (19) used for poking the steel pipe (22) are distributed on the surface of the transmission chain (18) in an array mode, the end portion of a fixed shaft of the transmission wheel (23) is fixedly connected with the output end of the transportation motor (16), and the position of the transmission wheel (23) on the left side is lower than that of the transmission wheel (23) on the right side.
CN202121518015.9U 2021-07-05 2021-07-05 Automatic change high pressure fuel pipe inner wall and reinforce device Active CN215103407U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121518015.9U CN215103407U (en) 2021-07-05 2021-07-05 Automatic change high pressure fuel pipe inner wall and reinforce device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121518015.9U CN215103407U (en) 2021-07-05 2021-07-05 Automatic change high pressure fuel pipe inner wall and reinforce device

Publications (1)

Publication Number Publication Date
CN215103407U true CN215103407U (en) 2021-12-10

Family

ID=79313841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121518015.9U Active CN215103407U (en) 2021-07-05 2021-07-05 Automatic change high pressure fuel pipe inner wall and reinforce device

Country Status (1)

Country Link
CN (1) CN215103407U (en)

Similar Documents

Publication Publication Date Title
CN106884086B (en) A kind of bilateral flame heating removes the device and technique of submerged arc pipe weld residual stress
CN113388724A (en) Automatic high-pressure oil pipe inner wall strengthening device and method
CN203726056U (en) Auxiliary support device for sidewise-mounting welding of large structures
CN118209398B (en) Multifunctional steel pipe detection all-in-one machine
CN106425263A (en) High-efficiency auxiliary welding device for new energy transportation pipelines
CN206373515U (en) The automatic welding device of idle call four-way valve
CN215103407U (en) Automatic change high pressure fuel pipe inner wall and reinforce device
CN113664415B (en) Auxiliary butt joint device and method for butt welding of pipes
CN210615554U (en) Conveying line before boiler tube panel welding
CN207205642U (en) A kind of multi-functional Anti-dislocation steel-pipe welding equipment
CN110241301A (en) One kind being used for welded seam area precision quenching unit
CN104357620A (en) Device for quenching flames on surfaces of rope grooves in wire-rope drum
CN112894085A (en) Defect repairing device and method for stainless steel thin-wall welded pipe
CN211516567U (en) Automatic welding seam machine
CN205420494U (en) Novel heat treatment device of axle type part
CN207104129U (en) Online for hydraulic support welding automates preheating device by formula
CN109926745A (en) A kind of welding method and device improving boiler water wall surface anticorrosion wear-resisting property
CN215393078U (en) Stainless steel thin wall welded tube defect repairing device
CN104805265B (en) Automatic line for annealing end of saw blade
CN204237818U (en) Cable drum grooving shorterizing device
CN205057355U (en) Inner wall of circular pipe welding set
CN110762986B (en) Inside drying device that pours water of hydrogen energy gas cylinder
CN204727039U (en) One bleachinges and dyeing the removable transmitting device of knit goods
CN209113956U (en) A kind of quenching unit for barrel-shaped workpiece
CN105890317A (en) Drying device for automobile part

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant