CN112046013B - Auxiliary equipment for welding process of steel-plastic composite pipe product in construction in severe cold climate - Google Patents
Auxiliary equipment for welding process of steel-plastic composite pipe product in construction in severe cold climate Download PDFInfo
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- CN112046013B CN112046013B CN202010963217.8A CN202010963217A CN112046013B CN 112046013 B CN112046013 B CN 112046013B CN 202010963217 A CN202010963217 A CN 202010963217A CN 112046013 B CN112046013 B CN 112046013B
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- steel
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- electric melting
- cast aluminum
- melting sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/114—Single butt joints
- B29C66/1142—Single butt to butt joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
- B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses auxiliary equipment for a welding process of a steel-plastic composite pipe product in construction in severe cold climate, which comprises a heating system body and a controller, wherein the heating system body comprises a cast aluminum heater and a heat insulation layer; the cast aluminum heater is connected with the controller, and the heating time and temperature of the cast aluminum heater are controlled by the controller; the cast aluminum heater inlayer is provided with the heat preservation, and the heat preservation is used for wrapping up the steel of accomplishing the pre-connection and moulds the electric melting sleeve and wait the steel-plastic pipe of welding to heat and keep warm, wait to predetermine the temperature after, start external welding machine and realize the stable welding to steel-plastic composite pipe through the electric fuse of steel-plastic electric melting sleeve inside.
Description
Technical Field
The invention relates to the technical field of welding, in particular to auxiliary equipment for a welding process of a steel-plastic composite pipe product in construction in severe cold weather.
Background
The steel-plastic composite pipe is at the temperature below 0 ℃, and the bonding effect between the pipe and the electric melting sleeve is very poor because a large amount of heat generated by the electric melting wire is lost when the electric melting sleeve for connecting the pipe and the pipe are welded. When welding current is increased, the electric fuse wire plastic of the electric melting sleeve melts, but the surface of the pipe is not melted synchronously, so that the electric fuse wire plastic of the electric melting sleeve runs off from a gap between the pipe and the electric melting sleeve, and the pipe is connected and leaked or other welding quality problems are caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide auxiliary equipment for a welding process of a steel-plastic composite pipe product in construction in a severe cold climate, and the steel-plastic composite pipe to be welded is heated and insulated through a simple structure so as to ensure that the welding failure of the steel-plastic composite pipe due to the influence of low temperature cannot be caused in the welding process.
In order to achieve the purpose, the invention adopts the following technical scheme:
an auxiliary device for a welding process of a steel-plastic composite pipe product during construction in severe cold weather comprises a heating system body and a controller, wherein the heating system body comprises a cast aluminum heater and a heat insulation layer; the cast aluminum heater is connected with the controller, and the heating time and temperature of the cast aluminum heater are controlled by the controller; the inner layer of the cast aluminum heater is provided with a heat insulation layer; the heat preservation layer is used for wrapping the steel-plastic pipe to be welded and the steel-plastic electric melting sleeve and preserving heat.
Preferably, the cast aluminum heater is circular, the cast aluminum heater is divided into two halves along the center line, one end of each of the two halves of the cast aluminum heater is hinged through a connecting hinge, the other end of each of the two halves of the cast aluminum heater is provided with a fastening buckle, and the cast aluminum heater is locked and fixed through the fastening buckles under the condition that the two halves of the cast aluminum heater are combined.
Preferably, the two halves of the cast aluminum heater are provided with handles near the fastening buckles.
Preferably, a power plug is arranged on the cast aluminum heater; the power plug is connected with the controller through a wire; the controller can control the operation of the cast aluminum heater.
Preferably, the cast aluminum heater is provided with a temperature measuring hole, and the temperature measuring hole penetrates through the cast aluminum heater and the heat insulation layer; the controller is connected with a thermocouple; the temperature in the heating system body can be monitored by inserting a thermocouple into the temperature measuring hole.
Preferably, the heat insulation layer is of an annular structure, is divided into an upper half and a lower half and covers the inner side of the cast aluminum heater; a groove is formed in the middle of the heat-insulating layer; the steel-plastic electric melting sleeve is of an annular structure and is embedded in the groove.
Preferably, when the heat-insulating layer is closed, a gap is reserved between the heat-insulating layer and the steel-plastic electric melting sleeve and the steel-plastic pipe to be welded in the heat-insulating layer.
Preferably, the steel-plastic electric melting sleeve is used for connecting a steel-plastic pipe to be welded; an electric fuse is arranged in the steel-plastic electric melting sleeve and connected with a connecting column on the outer wall of the steel-plastic electric melting sleeve; a steel plate framework is also arranged in the steel-plastic electric melting sleeve; the steel plate framework is arranged on the inner side of the steel-plastic electric melting sleeve; the electric fuse has many to electric fuse evenly distributed is close to the steel-plastic pipe's that needs the heating face at steel-plastic electric melting sleeve.
Preferably, the steel-plastic pipes to be welded are respectively inserted from two ends of the steel-plastic electrofusion sleeve, and the thickness of the area, in which the steel-plastic pipes to be welded are inserted into the steel-plastic electrofusion sleeve, is thicker than that of the area, in which the steel-plastic electrofusion sleeve is not inserted.
A welding process of a steel-plastic composite pipe product in construction in severe cold weather comprises the following steps:
s1: polishing the peripheral area of the steel-plastic pipe to be welded, which is close to the contact surface, and then respectively inserting the steel-plastic pipe to the two ends of the steel-plastic electric melting sleeve to realize pre-connection;
s2: connecting a welding line of a welding machine with a connecting column on the steel-plastic electric melting sleeve;
s3: wrapping the pre-connected steel-plastic electric melting sleeve and the steel-plastic pipe to be welded by the heating system body, and fastening and locking the cast-aluminum heater;
s4: controlling the temperature of the cast-aluminum heater to rise through a controller so as to heat the steel-plastic pipe to be welded and the steel-plastic electric melting sleeve;
s5: and after the steel-plastic pipe and the steel-plastic electric melting sleeve are heated and insulated to a preset temperature, starting the welding machine, controlling the temperature rise of the electric melting wire by the welding wire through the connecting column on the steel-plastic electric melting sleeve, and welding the steel-plastic electric melting sleeve and the steel-plastic pipe.
The invention has the beneficial effects that:
1. the cast aluminum heater is controlled by an external control machine to heat the steel-plastic pipe to be welded, and the temperature in the steel-plastic pipe is monitored by a thermocouple so as to ensure the heating stability of the whole system on the steel-plastic pipe;
2. the heating system body has simple structure and small mechanism, and is convenient to use at any time and any place;
3. the electric melting wires are uniformly distributed in the steel-plastic electric melting sleeve, so that the steel-plastic pipe in the middle of the steel-plastic electric melting sleeve can be uniformly welded, and the welding stability is ensured;
4. the thickness of one end, inserted into the steel-plastic electric melting sleeve, of the steel-plastic pipe to be welded is thicker than that of other parts, so that the steel-plastic electric melting sleeve can be better matched with the steel-plastic electric melting sleeve tightly, and meanwhile, the thicker surface of the pipe in the welding area can also ensure the welding quality when the pipe is welded with the electric melting sleeve.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the structure of the present invention;
fig. 3 is a schematic structural view of a steel-plastic electrofusion sleeve according to the present invention;
fig. 4 is an enlarged view of the portion a of the present invention.
1. A heating system body; 2. a controller; 3. fastening a buckle; 4. a handle; 5. a connecting hinge; 101. a cast aluminum heater; 102. a heat-insulating layer; 103. a power plug; 104. steel-plastic electric melting sleeves; 1041. a steel plate framework; 1042. an electric fuse line; 201. and a thermocouple.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The invention provides auxiliary equipment for a welding process of a steel-plastic composite pipe product in construction in severe cold climate, which comprises a heating system body 1 and a controller 2, wherein the heating system body 1 comprises a cast aluminum heater 101 and a heat insulation layer 102; the cast aluminum heater 101 is connected with the controller 2, and the heating time and temperature of the cast aluminum heater 101 are controlled by the controller 2; an insulating layer 102 is arranged on the inner layer of the cast aluminum heater 101; the insulating layer 102 is used for insulating the steel-plastic pipe to be welded and the steel-plastic electric melting sleeve 104 inside the insulating layer. Through using heating system body 1 parcel to live steel-plastic electric smelting sleeve 104 and the steel-plastic pipe of pre-connection, closed cast aluminium heater 101 through controller 2 control cast aluminium heater heating steel-plastic pipe and steel-plastic electric smelting sleeve 104 to predetermineeing the temperature after, convenient follow-up welding of treating welded steel-plastic pipe and steel-plastic electric smelting sleeve 104.
The cast aluminum heater 101 is in a circular ring shape, the cast aluminum heater 101 is divided into two halves along the center line, one ends of the two halves of cast aluminum heaters 101 are hinged through the connecting hinge 5, the other ends of the two halves of cast aluminum heaters 101 are provided with the fastening buckles 3, and under the condition that the two halves of cast aluminum heaters 101 are combined, the cast aluminum heater 101 is locked and fixed through the fastening buckles 3. Handles 4 are arranged at the positions, close to the fastening buckles 3, of the two halves of the cast aluminum heater 101, so that the heating system body 1 can be conveniently moved, and the application range is wide.
The cast aluminum heater 101 is provided with a power plug 103, the power plug 103 is connected with the controller 2 through a lead, and the controller 2 can control the cast aluminum heater 101 to work. The cast aluminum heater 101 is provided with temperature measuring holes, the temperature measuring holes are inserted into the steel-plastic electric melting sleeve 104 from the outer surface of the cast aluminum heater 101, the controller 2 is connected with a thermocouple 201, and the thermocouple 201 is inserted into the temperature measuring holes to monitor the temperature in the heating system body 1. The thermocouple 201 can accurately monitor the temperature inside the cast aluminum heater 101 and transmit the temperature to the controller 2, so that an operator can monitor the stability of heating the steel-plastic pipe conveniently.
The heat insulation layer 102 is of an annular structure, the heat insulation layer 102 is divided into an upper half and a lower half, and covers the inner side of the cast aluminum heater 101; a groove is arranged in the middle of the heat-insulating layer 102; the steel-plastic electric smelting sleeve 104 is of an annular structure, and the steel-plastic electric smelting sleeve 104 is embedded in the groove. When the insulating layer 102 is closed, a gap is left between the insulating layer 102 and the steel-plastic electric melting sleeve 104 inside the insulating layer 102 and the steel-plastic pipe to be welded, so that a welding line of an external welding machine can be ensured to enter the heating system body 1 and be connected with the steel-plastic electric melting sleeve 104.
The steel-plastic electric melting sleeve 104 is used for connecting a steel-plastic pipe to be welded, an electric melting wire 1042 is arranged inside the steel-plastic electric melting sleeve 104, and the electric melting wire 1042 is connected with a connecting column on the outer wall of the steel-plastic electric melting sleeve 104; a steel plate framework 1041 is also arranged in the steel-plastic electric melting sleeve 104; the steel plate framework 1041 is arranged on the inner side of the steel-plastic electric melting sleeve 104; the electric fuse 1042 has a plurality of electric fuses 1042, and the electric fuses 1042 are uniformly distributed on the surface of the steel-plastic electric melting sleeve 104 close to the steel-plastic pipe to be heated. By arranging the electric fuse 1042, the steel plastic pipe can be uniformly heated.
The steel-plastic pipes to be welded are respectively inserted from both ends of the steel-plastic electrofusion sleeve 104, and the thickness of the region where the steel-plastic pipes to be welded are inserted into the steel-plastic electrofusion sleeve 104 is thicker than the region where the steel-plastic electrofusion sleeve 104 is not inserted. The realization that like this can be better is closely with the cooperation of steel-plastic electric smelting sleeve, and welding quality when welding zone tubular product surface is thicker also can guarantee tubular product and electric smelting sleeve welding simultaneously.
When in use, the steel-plastic pipes to be welded are polished in the peripheral area close to the contact surface and then inserted into the two ends of the steel-plastic electric melting sleeve 104 respectively to realize pre-connection. A welding line of a welding machine is communicated with a connecting column on a steel-plastic electric melting sleeve 104, a heating system body 1 is used for wrapping the pre-connected steel-plastic electric melting sleeve 104 and a steel-plastic pipe to be welded, and a cast aluminum heater 101 is buckled and locked; the temperature of the cast aluminum heater 102 is controlled by the controller 2 to heat the steel-plastic pipe to be welded and the steel-plastic electric melting sleeve 104; after the steel-plastic pipe and the steel-plastic electric melting sleeve 104 are heated and insulated to a preset temperature, the welding machine is started, the welding wire controls the temperature rise of the electric melting wire 1042 through the connecting column on the steel-plastic electric melting sleeve 104, and the steel-plastic electric melting sleeve 104 and the steel-plastic pipe are welded.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (9)
1. The utility model provides a steel is moulded compound pipe product welding process's auxiliary assembly when severe cold weather construction, includes heating system body (1), controller (2), its characterized in that:
the heating system body (1) comprises a cast aluminum heater (101) and an insulating layer (102);
the cast aluminum heater (101) is connected with the controller (2), and the heating time and temperature of the cast aluminum heater (101) are controlled by the controller (2);
an insulating layer (102) is arranged on the inner layer of the cast aluminum heater (101);
the heat insulation layer (102) is used for wrapping the steel-plastic pipe to be welded and the steel-plastic electric melting sleeve (104) and insulating heat;
the steel-plastic electric melting sleeve (104) is used for connecting a steel-plastic pipe to be welded;
an electric fuse (1042) is arranged inside the steel-plastic electric melting sleeve (104), and the electric fuse (1042) is connected with a connecting column on the outer wall of the steel-plastic electric melting sleeve (104);
a steel plate framework (1041) is also arranged in the steel-plastic electric melting sleeve (104);
the steel plate framework (1041) is arranged on the inner side of the steel-plastic electric melting sleeve (104);
the electric fuse (1042) is provided with a plurality of electric fuses, and the electric fuses (1042) are uniformly distributed on the surface, close to the steel-plastic pipe to be heated, of the steel-plastic electric melting sleeve (104).
2. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold climate according to claim 1, wherein the auxiliary equipment comprises:
the cast aluminum heater (101) is in a circular ring shape, the cast aluminum heater (101) is divided into two halves along the center line, one ends of the two halves of cast aluminum heaters (101) are hinged through a connecting hinge (5), the other ends of the two halves of cast aluminum heaters (101) are provided with fastening buckles (3), and under the condition that the two halves of cast aluminum heaters (101) are combined, the cast aluminum heater (101) is locked and fixed through the fastening buckles (3).
3. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold climate according to claim 2, wherein:
handles (4) are arranged at the positions, close to the fastening buckles (3), of the two halves of the cast aluminum heater (101).
4. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold climate according to claim 1, wherein the auxiliary equipment comprises:
a power plug (103) is arranged on the cast aluminum heater (101);
the power plug (103) is connected with the controller (2) through a lead;
the controller (2) can control the operation of the cast aluminum heater (101).
5. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold climate according to claim 1, wherein the auxiliary equipment comprises:
a temperature measuring hole is formed in the cast aluminum heater (101) and penetrates through the cast aluminum heater (101) and the heat insulation layer (102);
the controller (2) is connected with a thermocouple (201);
the temperature inside the heating system body (1) can be monitored by inserting a thermocouple (201) into the temperature measuring hole.
6. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold climate according to claim 1, wherein the auxiliary equipment comprises:
the heat insulation layer (102) is of an annular structure, the heat insulation layer (102) is divided into an upper half and a lower half, and covers the inner side of the cast aluminum heater (101);
a groove is formed in the middle of the heat-insulating layer (102);
the steel-plastic electric melting sleeve (104) is of an annular structure;
the groove is used for wrapping a steel-plastic electric melting sleeve (104).
7. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold weather as claimed in claim 6, wherein:
when the insulating layer (102) is closed, gaps are reserved between the insulating layer (102) and the steel-plastic electric melting sleeve (104) inside the insulating layer and the steel-plastic pipe to be welded.
8. The auxiliary equipment for the welding process of the steel-plastic composite pipe product in the construction of the severe cold weather is characterized in that;
the steel-plastic pipes to be welded are respectively inserted from two ends of the steel-plastic electric melting sleeve (104), and the thickness of the area, in which the steel-plastic pipes to be welded are inserted into the steel-plastic electric melting sleeve (104), is thicker than the area, in which the steel-plastic electric melting sleeve (104) is not inserted.
9. A welding process of a steel-plastic composite pipe product in construction in a severe cold climate by adopting the auxiliary equipment of any one of claims 1 to 8, which is characterized by comprising the following steps:
s1: after polishing the peripheral area of the steel-plastic pipe to be welded, which is close to the contact surface, the steel-plastic pipe is inserted into the two ends of the steel-plastic electric melting sleeve (104) respectively to realize pre-connection;
s2: connecting a welding line of a welding machine with a connecting column on a steel-plastic electric melting sleeve (104);
s3: wrapping the pre-connected steel-plastic electric melting sleeve (104) and the steel-plastic pipe to be welded by the heating system body (1), and buckling and locking the cast-aluminum heater (101);
s4: the temperature of the cast aluminum heater (101) is controlled to rise through the controller (2) so as to heat the steel-plastic pipe to be welded and the steel-plastic electric melting sleeve (104);
s5: and after the steel-plastic pipe and the steel-plastic electric melting sleeve (104) are heated and insulated to the preset temperature, starting the welding machine, controlling the temperature rise of the electric melting wire (1042) by the welding wire through the connecting column on the steel-plastic electric melting sleeve (104), and welding the steel-plastic electric melting sleeve (104) and the steel-plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010963217.8A CN112046013B (en) | 2020-09-14 | 2020-09-14 | Auxiliary equipment for welding process of steel-plastic composite pipe product in construction in severe cold climate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010963217.8A CN112046013B (en) | 2020-09-14 | 2020-09-14 | Auxiliary equipment for welding process of steel-plastic composite pipe product in construction in severe cold climate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112046013A CN112046013A (en) | 2020-12-08 |
| CN112046013B true CN112046013B (en) | 2022-05-03 |
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| CN202010963217.8A Active CN112046013B (en) | 2020-09-14 | 2020-09-14 | Auxiliary equipment for welding process of steel-plastic composite pipe product in construction in severe cold climate |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484321A (en) * | 1966-05-27 | 1969-12-16 | Smith Inland A O | Heating device for curing the adhesive joint between plastic pipe sections |
| CN201239694Y (en) * | 2008-06-20 | 2009-05-20 | 李义财 | Equipment for manufacturing steel plastic composite pipe |
| CN102294824A (en) * | 2011-08-19 | 2011-12-28 | 浙江红佳吉管道科技有限公司 | Device of electromagnetic welded pipe-shaped piece |
| CN106090508B (en) * | 2016-08-25 | 2018-04-13 | 江苏强盛功能化学股份有限公司 | A kind of connection method of steel wire mesh frame polyethylene compound pipe |
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