CN216503235U - Welding equipment for liquefied natural gas cylinder for vehicle - Google Patents
Welding equipment for liquefied natural gas cylinder for vehicle Download PDFInfo
- Publication number
- CN216503235U CN216503235U CN202122873298.5U CN202122873298U CN216503235U CN 216503235 U CN216503235 U CN 216503235U CN 202122873298 U CN202122873298 U CN 202122873298U CN 216503235 U CN216503235 U CN 216503235U
- Authority
- CN
- China
- Prior art keywords
- frame
- welding
- air
- groups
- annular
- 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
Links
Images
Abstract
The utility model provides welding equipment for a liquefied natural gas cylinder for a vehicle, which relates to the technical field of liquefied gas storage and comprises the following components: the two sides of the top of the main frame are fixedly provided with two groups of side frames, and two groups of lead screws are rotatably arranged below the two groups of side frames; hexagonal shafts are rotatably arranged above the two groups of side frames; set up the annular and change the utensil, can realize changeing the utensil to the fixing of the jar body, place half jar of body respectively in the centre of two sets of annular commentaries on classics utensil according to the mode that the opening is relative, then close the ball valve and rotate hand gear pump input gas, prop open the gas telescopic link, it is fixed to utilize the clamping piece to carry out the centre gripping to the jar body, the reversal lead screw is with two sets of jar bodies and be in the same place, can conveniently carry out the butt joint combination to the jar body, and make jar body balanced between two parties, still additionally provide the turnover function, it mainly utilizes the frock to fix the back to the jar body to have solved the gas cylinder of present use, manual welding combination carries out, or utilize can pivoted arm to have enough to meet the need the welding, the not good problem of welding effect.
Description
Technical Field
The utility model relates to the technical field of liquefied gas storage, in particular to welding equipment for a liquefied natural gas cylinder for a vehicle.
Background
The liquefied natural gas cylinder for the vehicle is generally formed by combining and welding two hemispherical metal cylinder bodies, the two cylinder bodies are fixed during welding, and then the welding is realized in the rotating process.
However, the gas cylinder used at present mainly utilizes the frock to fix the jar body after, and the manual welding combination that carries out, or utilizes the arm that can rotate to have enough to meet the need the welding, and the welding effect is not good, does not possess the auxiliary structure who controls supplementary cooling sand when rotating the jar body.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a welding apparatus for a liquefied natural gas cylinder for a vehicle, which has an annular adaptor, and can fix a tank body, facilitate butt-joint assembly of the tank body, center balance of the tank body, and additionally provide a turnover function.
The utility model provides welding equipment for a liquefied natural gas cylinder for a vehicle, which specifically comprises the following steps: the device comprises a main frame, two groups of side frames are fixedly arranged on two sides of the top of the main frame, and two groups of lead screws are rotatably arranged below the two groups of side frames; hexagonal shafts are rotatably arranged above the two groups of side frames; one end of the hexagonal shaft is connected with a motor in a transmission way; the number of the moving frames is two, and the two moving frames are arranged at the top of the main frame in a sliding manner through guide rails; pulleys are arranged around the inner part of the movable frame; the bottom of the movable frame is respectively in threaded connection with a group of screw rods; the center of the outer arc surface of the annular rotating tool is provided with an annular groove, and the outer annular groove of the annular rotating tool is matched with and slides in the middle of the pulley; the air frame is fixedly arranged outside the rear side of the annular rotating tool; the tail frame is fixedly arranged in the middle of the rear side of the main frame, and a hand gear pump is fixedly arranged at the rear end of the tail frame; the four-way valve is connected with the upper end of the four-way valve, and the lower end of the four-way valve is connected with the one-way valve; the welding frame is fixedly arranged at the top of the tail frame; a welding gun is hinged below the middle of the welding frame; the collecting channel is fixedly arranged at the top of the main frame.
Optionally, the moving frame further includes: the tops of the adjacent surfaces of the two groups of movable frames are fixedly provided with U-shaped frames, the inner sides of the U-shaped frames are rotatably provided with rotating sleeves A, and the outer parts of the rotating sleeves A are fixedly provided with transmission gears; the rotating sleeve A is connected with the hexagonal shaft in a sliding way.
Optionally, the annular ring comprises: the outer side of the annular rotating tool is eccentrically provided with a fixed air pipe in a connecting mode, the middle of the fixed air pipe is of a turning structure, the outer end of the fixed air pipe is provided with an air hole, and the circle center of the outer end of the fixed air pipe is aligned with the circle center of the annular rotating tool.
Optionally, the annular rotator further comprises: the inner side of the annular rotating tool is provided with an air telescopic rod for heat exchange, and a clamping piece is fixedly arranged at the telescopic end of the air telescopic rod; the air expansion rod is communicated with the air hole; and the outer ends of the adjacent sides of the two groups of annular rotating tools are provided with gear rings, and the gear rings are meshed with the transmission gears.
Optionally, the gas holder comprises: the front ends of the two sides of the air frame are connected with the extension air cylinder, the front end of the extension air cylinder is integrally provided with an air sleeve, and the air sleeve is rotatably arranged outside the outer end of the shaft end of the fixed air pipe through two groups of airtight bearings; the air sleeve is wrapped outside the air hole.
Optionally, the two sides of the four-way joint are provided with hoses, and the two ends of each hose are communicated with the air frame.
Optionally, the welding frame comprises: the thread push rod is rotatably arranged above the welding frame; the rotating sleeve B is rotatably arranged at the front lower end of the welding frame and is in sliding connection with the hexagonal shaft.
Optionally, the fixed feeder that is provided with in front end right side and the bottom of weld holder, the feeder is including: the discharging barrel is of a funnel structure, the front side of the bottom of the feeding device is integrally provided with the discharging barrel, the middle of the discharging barrel is rotatably provided with a spiral propeller, and the spiral propeller and the rotating sleeve B are in bevel gear transmission connection.
A welding method of welding equipment for a vehicle liquefied natural gas cylinder comprises the following steps:
1) the installation method comprises the steps that firstly, a lead screw is rotated, a moving frame is moved and unfolded towards different sides through thread transmission, then two half tank bodies are respectively placed between two groups of annular rotating tools in a mode that openings are opposite, then a ball valve is closed, a hand gear pump is rotated to input gas, the gas passes through a one-way valve and then further enters an air frame, an extension air cylinder and an air sleeve, passes through an air hole and enters an air telescopic rod to open the air telescopic rod, a clamping piece is used for clamping and fixing the tank bodies, and the two groups of tank bodies are combined together through the lead screw in a reverse rotation mode;
2) the welding mode is that the threaded push rod is adjusted in a rotating mode, a welding opening of the welding gun is attached to the outside of the tank body, then the hexagonal shaft is rotated, the hexagonal shaft drives the rotating sleeve A to rotate, the rotating sleeve A drives the transmission gear to rotate, and the transmission gear is matched with the gear ring to drive the annular rotating tool to continuously rotate, so that the effect of spin welding is achieved;
3) the cooling mode is that cooling sand is injected into a feeding device before welding, 20% of water is mixed into the first 10% of the injected cooling sand, so that the sand is prevented from being naturally discharged from intervals of a spiral propeller, then the rotating sleeve B is driven to rotate in the rotating process of the hexagonal shaft, the rotating sleeve B drives the spiral propeller to rotate through a bevel gear to discharge sand and soil, and the sand and the soil are poured outside a welding line, so that the cooling effect is realized;
4) the ball valve is opened after the welding is completed, the air expansion rod below the tank body is extruded by the weight of the tank body, and air is discharged from one end of the ball valve, so that the tank body is unlocked.
Advantageous effects
According to the annular rotary tool of each embodiment of the utility model, the tank bodies can be fixed, the two half tank bodies are respectively placed between the two groups of annular rotary tools in a mode that the openings are opposite, then the ball valve is closed, the hand gear pump is rotated to input gas, the gas passes through the one-way valve and then is further input into the gas frame, the extension gas cylinder and the gas sleeve, passes through the gas hole and enters the gas telescopic rod to open the gas telescopic rod, the clamping pieces are used for clamping and fixing the tank bodies, the two groups of tank bodies are combined together by the reversing screw rod, the butt joint combination of the tank bodies can be conveniently carried out, the tank bodies are balanced and centered, and the turnover function is additionally provided.
In addition, set up adjustment screw thread push rod and provide accuse rifle function, paste welder's crater at jar external portion, then rotate hexagonal axle, hexagonal axle drives and changes cover A rotatory, changes cover A and drives drive gear rotatory, and drive gear cooperation ring gear drives the annular utensil of changeing and lasts the rotation, realizes spin welding's effect.
In addition, inject cooling sand in the feeder before the welding earlier, mix 20% water in the cooling sand that preceding 10% drops into, avoid husky natural discharge from screw propeller's interval, then hexagonal axle rotatory in-process can drive to change cover B rotatory, changes cover B and drives screw propeller rotation through bevel gear and discharge sandy soil, waters in the outside of welding seam, can realize the cooling effect to can also bear cooling sand through collecting the canal.
In addition, the setting of cross provides simple and convenient accuse gas function, opens the ball valve after accomplishing the welding, and the gas telescopic link extrusion of below is with the weight of the jar body, and the air is discharged from the one end of ball valve, realizes the unblock to the jar body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the utility model only and are not intended to limit the utility model.
In the drawings:
FIG. 1 shows an overall perspective rear view schematic diagram of an apparatus according to an embodiment of the utility model;
FIG. 2 shows a schematic perspective front view of the apparatus as a whole, according to an embodiment of the utility model;
FIG. 3 shows a schematic perspective partial cross-sectional view according to an embodiment of the utility model;
FIG. 4 shows a perspective front right view schematic of a weld carriage according to an embodiment of the utility model;
FIG. 5 shows a perspective front left view schematic diagram of a weld carriage according to an embodiment of the utility model;
FIG. 6 shows a schematic diagram of a partially enlarged structure A according to an embodiment of the utility model;
FIG. 7 is a schematic diagram of a partial enlarged structure of B according to an embodiment of the present invention;
fig. 8 shows a schematic diagram of a partial enlarged structure of C according to an embodiment of the present invention.
List of reference numerals
1. A main frame; 2. a side frame; 201. a lead screw; 202. a hexagonal shaft; 3. moving the frame; 301. a U-shaped frame; 302. Rotating a sleeve A; 303. a transmission gear; 304. a pulley; 4. an annular rotating tool; 401. fixing the air pipe; 402. air holes; 403. an air expansion link; 404. a clip; 405. a ring gear; 5. an air frame; 501. an extension cylinder; 502. air jacket; 6. a tailstock; 7. a hand gear pump; 8. four-way connection; 801. a ball valve; 802. a one-way valve; 9. welding a frame; 901. a threaded push rod; 902. rotating a sleeve B; 10. a welding gun; 11. a material feeder; 1101. a discharge drum; 1102. a screw propeller; 12. a collection channel.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 8:
the utility model provides a welding device for a vehicle liquefied natural gas cylinder, which comprises: the main frame 1 is characterized in that two groups of side frames 2 are fixedly arranged on two sides of the top of the main frame 1, and two groups of lead screws 201 are rotatably arranged below the two groups of side frames 2; hexagonal shafts 202 are rotatably arranged above the two groups of side frames 2; one end of the hexagonal shaft 202 is connected with a motor in a transmission way; the number of the movable frames 3 is two, and the two groups of movable frames 3 are arranged on the top of the main frame 1 in a sliding manner through guide rails; a pulley 304 is arranged around the inside of the movable frame 3; the bottom of the movable frame 3 is respectively in threaded connection with a group of screw rods 201; an annular rotating tool 4, wherein an annular groove is formed in the center of the outer arc surface of the annular rotating tool 4, and the outer annular groove of the annular rotating tool 4 fits and slides in the middle of the pulley 304; the air frame 5 is fixedly arranged outside the rear side of the annular rotating tool 4; the tail frame 6 is fixedly arranged in the middle of the rear side of the main frame 1, and the rear end of the tail frame 6 is fixedly provided with a hand gear pump 7; the four-way valve 8 is characterized in that the upper end of the four-way valve 8 is connected with a ball valve 801, and the lower end of the four-way valve 8 is connected with a one-way valve 802; the two sides of the cross joint 8 are provided with hoses, and the two ends of each hose are communicated with the air frame 5; the welding frame 9, the welding frame 9 is fixedly arranged on the top of the tail frame 6; a welding gun 10 is hinged below the middle of the welding frame 9; the collecting channel 12 is fixedly arranged at the top of the main frame 1.
Further, according to an embodiment of the present invention, referring to fig. 6, the moving frame 3 further includes: the top parts of the adjacent surfaces of the two groups of moving frames 3 are fixedly provided with the U-shaped frames 301, the inner sides of the U-shaped frames 301 are rotatably provided with rotating sleeves A302, and the outer parts of the rotating sleeves A302 are fixedly provided with transmission gears 303; the rotating sleeve A302 is connected with the hexagonal shaft 202 in a sliding mode, and the hexagonal shaft 202 can provide power for the rotating sleeve A302.
Further, according to an embodiment of the present invention, referring to fig. 8, the annular ring 4 includes: the fixed air pipe 401 is eccentrically and fixedly connected with the outer side of the annular rotating tool 4, the middle of the fixed air pipe 401 is of a turning structure, the outer end of the fixed air pipe 401 is provided with an air hole 402, and the circle center of the outer end of the fixed air pipe 401 is aligned with the circle center of the annular rotating tool 4.
In addition, according to the embodiment of the present invention, referring to fig. 1, 6 and 8, the annular rotator 4 further includes: the air expansion rod 403 is arranged on the inner side of the annular rotating tool 4 for heat exchange, and a clamping piece 404 is fixedly arranged at the expansion end of the air expansion rod 403; the air expansion rod 403 is communicated with the air hole 402; and the gear ring 405 is arranged at the outer end of the adjacent side of the two groups of annular rotating tools 4, and the gear ring 405 is meshed with the transmission gear 303.
Further, according to an embodiment of the present invention, referring to fig. 8, the gas holder 5 includes: the front ends of two sides of the air frame 5 are connected with the extension air cylinder 501, the front end of the extension air cylinder 501 is integrally provided with an air sleeve 502, and the air sleeve 502 is rotatably arranged outside the outer end of the shaft end of the fixed air pipe 401 through two groups of airtight bearings; the air jacket 502 is wrapped around the exterior of the air hole 402.
Further, according to an embodiment of the present invention, referring to fig. 1 and 4, the welding jig 9 includes: the threaded push rod 901 is rotatably arranged above the welding frame 9; the rotating sleeve B902 is rotationally arranged at the front lower end of the welding frame 9, the rotating sleeve B902 is connected with the hexagonal shaft 202 in a sliding mode, and the hexagonal shaft 202 can provide power for the rotating sleeve B902.
In addition, according to the embodiment of the present invention, referring to the drawing, a feeder 11 is fixedly disposed at the right side and the bottom of the front end of the welding frame 9, and the feeder 11 includes: the discharging cylinder 1101 is of a funnel structure, the main body of the feeding device 11 is of a funnel structure, the discharging cylinder 1101 is integrally arranged on the front side of the bottom of the feeding device 11, the spiral propeller 1102 is rotatably arranged in the middle of the discharging cylinder 1101, and the spiral propeller 1102 is in bevel gear transmission connection with the rotating sleeve B902.
The specific use mode and function of the embodiment are as follows: in the utility model, during installation, firstly, the screw 201 is rotated, the movable frame 3 is moved and unfolded to different sides through screw transmission, then two half tank bodies are respectively placed between two groups of annular rotating tools 4 in a mode of opposite openings, then the ball valve 801 is closed, the hand gear pump 7 is rotated to input gas, the gas passes through the one-way valve 802 and then is further input into the gas frame 5, the extension gas cylinder 501 and the gas sleeve 502, passes through the gas hole 402 and enters the gas expansion rod 403 to expand the gas expansion rod 403, the clamping piece 404 is used for clamping and fixing the tank bodies, and the two groups of tank bodies are combined together through the reversed screw 201;
during welding, the adjusting threaded push rod 901 is rotated to attach the welding opening of the welding gun 10 to the outside of the tank body, then the hexagonal shaft 202 is rotated, the hexagonal shaft 202 drives the rotating sleeve A302 to rotate, the rotating sleeve A302 drives the transmission gear 303 to rotate, and the transmission gear 303 cooperates with the gear ring 405 to drive the annular rotating tool 4 to continuously rotate, so that the effect of rotary welding is achieved;
when the temperature is reduced, cooling sand is injected into the feeder 11 before welding, 20% of water is mixed into the first 10% of the injected cooling sand, the sand is prevented from being naturally discharged from the intervals of the spiral propellers 1102, then the hexagonal shaft 202 can drive the rotating sleeve B902 to rotate in the rotating process, the rotating sleeve B902 drives the spiral propellers 1102 to rotate through the bevel gears to discharge sand, and the sand is poured outside a welding line, so that the cooling effect is realized;
during disassembly, the ball valve 801 is opened after welding is completed, the air expansion rod 403 below the tank body is extruded by the weight of the tank body, air is discharged from one end of the ball valve 801, and the tank body is unlocked.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the utility model, which is defined by the claims appended hereto.
Claims (8)
1. A welding apparatus for a liquefied natural gas cylinder for vehicles, characterized by comprising:
the device comprises a main frame (1), wherein two groups of side frames (2) are fixedly arranged on two sides of the top of the main frame (1), and two groups of lead screws (201) are rotatably arranged below the two groups of side frames (2); hexagonal shafts (202) are rotatably arranged above the two groups of side frames (2); one end of the hexagonal shaft (202) is connected with a motor in a transmission way;
the number of the moving frames (3) is two, and the two moving frames (3) are arranged on the top of the main frame (1) in a sliding manner through guide rails; pulleys (304) are arranged in the movable frame (3) in a surrounding manner; the bottom of the movable frame (3) is respectively in threaded connection with a group of screw rods (201);
the center of the outer arc surface of the annular rotating tool (4) is provided with an annular groove, and the outer annular groove of the annular rotating tool (4) is matched with and slides in the middle of the pulley (304);
the air frame (5), the air frame (5) is fixedly arranged outside the rear side of the annular rotating tool (4);
the tail frame (6) is fixedly arranged in the middle of the rear side of the main frame (1), and a hand gear pump (7) is fixedly arranged at the rear end of the tail frame (6);
the four-way valve comprises a four-way valve (8), wherein the upper end of the four-way valve (8) is connected with a ball valve (801), and the lower end of the four-way valve (8) is connected with a one-way valve (802);
the welding frame (9), the welding frame (9) is fixedly arranged at the top of the tail frame (6); a welding gun (10) is hinged below the middle of the welding frame (9);
the collecting channel (12), the collecting channel (12) is fixed to be arranged at the top of the main frame (1).
2. The welding equipment for liquefied natural gas cylinder for vehicle according to claim 1, wherein said moving frame (3) further comprises:
the top parts of the adjacent surfaces of the two groups of moving frames (3) are fixedly provided with the U-shaped frames (301), the inner sides of the U-shaped frames (301) are rotatably provided with rotating sleeves A (302), and the outer parts of the rotating sleeves A (302) are fixedly provided with transmission gears (303); the rotating sleeve A (302) is connected with the hexagonal shaft (202) in a sliding way.
3. The welding equipment for liquefied natural gas cylinders for vehicles according to claim 1, wherein said annular turret (4) comprises:
the outer side of the annular rotating tool (4) is eccentrically provided with a fixed air pipe (401), the middle of the fixed air pipe (401) is of a turning structure, the outer end of the fixed air pipe (401) is provided with an air hole (402), and the circle center of the outer end of the fixed air pipe (401) is aligned with the circle center of the annular rotating tool (4).
4. The welding equipment for liquefied natural gas cylinders for vehicles according to claim 1 or 2, wherein said annular turret (4) further comprises:
the air expansion rod (403), the air expansion rod (403) is arranged on the inner side of the annular rotating tool (4) for heat exchange, and a clamping piece (404) is fixedly arranged at the expansion end of the air expansion rod (403); the air expansion rod (403) is communicated with the air hole (402);
and the outer ends of the adjacent sides of the two groups of annular rotating tools (4) are provided with gear rings (405), and the gear rings (405) are meshed with the transmission gear (303).
5. The welding equipment for liquefied natural gas cylinders for vehicles according to claim 1, wherein said gas holder (5) comprises:
the air cylinder (501) is extended, the front ends of the two sides of the air frame (5) are connected and provided with the extended air cylinder (501), the front end of the extended air cylinder (501) is integrally provided with an air sleeve (502), and the air sleeve (502) is rotatably arranged outside the outer end of the shaft end of the fixed air pipe (401) through two groups of airtight bearings.
6. The welding equipment for the liquefied natural gas cylinder for the vehicle according to claim 1, wherein the four-way joint (8) is provided with hoses at two sides, and two ends of each hose are communicated with the gas holder (5).
7. The welding equipment for liquefied natural gas cylinders for vehicles according to claim 1, wherein said welding frame (9) comprises:
the threaded push rod (901) is rotatably arranged above the welding frame (9);
the rotating sleeve B (902) is rotationally arranged at the front lower end of the welding frame (9), and the rotating sleeve B (902) is in sliding connection with the hexagonal shaft (202).
8. The welding equipment for the liquefied natural gas cylinder for vehicle according to claim 1 or 7, wherein a feeding device (11) is fixedly arranged at the right side and the bottom of the front end of the welding frame (9), and the feeding device (11) comprises:
the discharging device comprises a discharging barrel (1101), the main body of a feeding device (11) is of a funnel structure, the discharging barrel (1101) is integrally arranged on the front side of the bottom of the feeding device (11), a spiral propeller (1102) is rotatably arranged in the middle of the discharging barrel (1101), and the spiral propeller (1102) and a rotating sleeve B (902) are in bevel gear transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122873298.5U CN216503235U (en) | 2021-11-23 | 2021-11-23 | Welding equipment for liquefied natural gas cylinder for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122873298.5U CN216503235U (en) | 2021-11-23 | 2021-11-23 | Welding equipment for liquefied natural gas cylinder for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216503235U true CN216503235U (en) | 2022-05-13 |
Family
ID=81532206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122873298.5U Active CN216503235U (en) | 2021-11-23 | 2021-11-23 | Welding equipment for liquefied natural gas cylinder for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216503235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283136A (en) * | 2023-11-27 | 2023-12-26 | 中建一局集团第二建筑有限公司 | Multi-angle welding equipment for building steel structure |
-
2021
- 2021-11-23 CN CN202122873298.5U patent/CN216503235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283136A (en) * | 2023-11-27 | 2023-12-26 | 中建一局集团第二建筑有限公司 | Multi-angle welding equipment for building steel structure |
| CN117283136B (en) * | 2023-11-27 | 2024-02-06 | 中建一局集团第二建筑有限公司 | Multi-angle welding equipment for building steel structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113941822A (en) | Equipment for liquefied natural gas cylinder for vehicle and welding method thereof | |
| CN216503235U (en) | Welding equipment for liquefied natural gas cylinder for vehicle | |
| CN206663813U (en) | Hot molten butt welding machine of plastic tubing | |
| CN206605800U (en) | A kind of Hot molten butt welding machine of plastic tubing | |
| CN215880593U (en) | Welding device for machining hydraulic cylinder accessories | |
| CN215432363U (en) | Full-automatic pipeline welding device for construction of oil-gas long-distance pipeline | |
| CN112059361A (en) | Rotary pipe welding machine | |
| CN115635227A (en) | Metal product welding equipment with multi-angle effect | |
| CN110640656A (en) | Fixture is used in automobile parts production | |
| CN109465486A (en) | Squash type pipe cutting machine bed | |
| CN113441859A (en) | Automatic welding device for steel pipe machining | |
| CN109129393B (en) | Automatic pile placing robot for carbon-free trolley | |
| CN218135617U (en) | Ultrahigh-voltage cable argon arc production protection device | |
| CN214921277U (en) | Welding device for thick steel plate of wind power tower | |
| CN215824679U (en) | Welding operation platform convenient for picking and placing weldment | |
| CN114986918A (en) | PVC union coupling erection equipment | |
| CN210024325U (en) | Welding machine for butt welding of burner pipe fitting | |
| CN114178754A (en) | Automatic alignment welding equipment for assembling air conditioner exhaust pipe | |
| CN219703771U (en) | Argon arc production protection device for ultrahigh voltage cable | |
| CN213888901U (en) | Transmission shaft welding device | |
| CN2191058Y (en) | Automatic welding gun for deep hole external angle | |
| CN218710768U (en) | Tin coating all-in-one machine convenient for replacing copper material | |
| CN219725145U (en) | Gas engineering pipeline welding supporting seat | |
| CN217166895U (en) | TIG automatic welding device for butt joint of LNG (liquefied Natural gas) conveying pipelines | |
| CN218136951U (en) | A equipment of polishing for ship accessories processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |