CN111516278A - Electric power engineering pipeline connection construction method and construction hot melting machine - Google Patents
Electric power engineering pipeline connection construction method and construction hot melting machine Download PDFInfo
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- CN111516278A CN111516278A CN202010324251.0A CN202010324251A CN111516278A CN 111516278 A CN111516278 A CN 111516278A CN 202010324251 A CN202010324251 A CN 202010324251A CN 111516278 A CN111516278 A CN 111516278A
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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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
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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
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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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
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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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
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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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/80—Rotatable transfer means for loading or unloading purposes, i.e. turret transfer means
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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
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
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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
- 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)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a construction method for connecting electric engineering pipelines and a hot melting machine for construction, wherein the hot melting machine for connecting the electric engineering pipelines comprises a hot melting machine body, and a main supporting device and an auxiliary supporting device which are respectively arranged at two sides of the hot melting machine body, wherein the main supporting device and the auxiliary supporting device respectively comprise a main base and an auxiliary base which is arranged close to the hot melting machine body, a bracket is arranged on the auxiliary base, a feeding mechanism for driving the electric pipelines to move along the arrangement direction of the main base and the auxiliary base is arranged on the main base, and a turnover mechanism for driving the electric pipelines to rotate around the axial direction of the main base in the main supporting device is also arranged on the main base. According to the invention, the turnover mechanism drives the shorter electric power pipeline to rotate on the main base and the auxiliary base so as to enable the end part of the electric power pipeline to be matched with the other electric power pipeline, so that the problem of inaccurate butt joint caused by local bending of the dead weight of the electric power pipeline is effectively avoided, the matching precision of the two electric power pipelines is improved, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of electric power engineering pipeline laying technology, in particular to an electric power engineering pipeline connection construction method and a construction hot melting machine.
Background
With the acceleration of the urbanization process, the cables are laid from being erected in the air by wire rods to being buried under the ground, so that the occupied space is greatly reduced, but the cables buried under the ground need to be well protected. The electric power tube is a product which is coated inside and outside by PE (modified polyethylene) through hot dip coating or epoxy resin, has excellent corrosion resistance, has good electric insulation property, does not generate electric erosion, has low water absorption, high mechanical strength and small friction coefficient, can achieve the purpose of long-term use, and can effectively prevent the damage of plant roots and soil environmental stress and the like. The CPVC pipe commonly used in the power engineering has the characteristics of high strength, good flexibility, high temperature resistance, corrosion resistance, flame retardance, good insulating property, no pollution, difficult aging, light weight, convenient construction and the like, and is an ideal substitute for the traditional power cable sheath pipe. When the CPVC pipe is re-laid, the CPVC pipe can be divided into four types, namely socket type pipe fittings, threaded pipe fittings, flange pipe fittings and welding pipe fittings according to a connection method, wherein the welding method is convenient and fast in construction, low in cost and good in sealing performance, and is widely popularized.
The prior Chinese patent with the patent publication number of CN209813110U provides an electric power pipeline processing device, which comprises a workbench, a controller and a pipeline erected on the surface of the workbench, wherein a hot melting mechanism, a cutting mechanism, a limiting movable mechanism and a support frame are sequentially arranged on the surface of the workbench from the middle part to the positions of two sides in a spreading way, and the cutting mechanism, the limiting movable mechanism and the supporting frame are symmetrically arranged at the two sides of the hot melting mechanism, the utility model forms a water jet cutter by arranging the cutting mechanism and spraying the common tap water through the pressurizing device and the water jet cutter nozzle, thereby cutting the end face of the pipeline, ensuring the flatness of the end face of the pipeline, facilitating the subsequent welding work, being simple and efficient, having a certain amount of water on the surface of the pipeline, absorbing heat by vaporization of the water when the welding is carried out, the outer side of the pipeline close to the end face is cooled, and the flatness of the outer side of the pipeline close to the end face is protected to a certain extent.
The above prior art solutions have the following drawbacks: electric power pipeline is one section 10 meters usually when transporting to the scene and laying, and longer electric power pipeline is in the transport with stack the in-process, produces the bending deformation of certain degree easily, if bending deformation takes place at electric power pipeline's both ends, electric power pipeline is its tip perk easily when the butt joint for the centering operation is difficult to be gone on, needs operating personnel constantly to rotate, adjusts crooked electric power pipeline, so that two electric power pipeline butt joint ends agree with, and it is hard to take the time, is unfavorable for the improvement of efficiency of construction.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the hot melting machine for the connection construction of the electric power engineering pipelines, which has the advantage of effectively ensuring the accurate butt joint fit of the two electric power pipelines.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an electric power engineering pipe connection construction method and construction are with hot melting machine, includes hot melting machine body and sets up respectively main supporting device and vice supporting device in hot melting machine body both sides, main supporting device with vice supporting device all includes main base and closes on the vice base that hot melting machine body set up, be provided with the bracket on the vice base, be provided with on the main base and be used for driving electric power pipeline along main base with the mechanism that advances that vice base direction of arranging is arranged, still be provided with on the main base in the main supporting device and be used for driving electric power pipeline around its axial rotation's tilting mechanism.
By adopting the technical scheme, two electric power pipelines to be butted are respectively arranged on the main supporting device and the auxiliary supporting device, the shorter electric power pipeline is arranged on the main supporting device and is aligned with the two electric power pipelines, the hot melting machine body is arranged between the two electric power pipelines, when the shorter electric power pipeline is locally bent and deformed and can not be matched with the other electric power pipeline, the shorter electric power pipeline can be driven by the turnover mechanism to rotate on the main base and the auxiliary base so that the end part of the electric power pipeline is matched with the other electric power pipeline, the manual labor is reduced, the possibility that the electric power pipeline is scratched when the electric power pipeline is rotated manually is avoided as far as possible, the shorter electric power pipeline can be better matched with the longer electric power pipeline, and the problem of inaccurate butting caused by the local bending of the self weight of the electric power pipeline is effectively avoided, the fit accuracy of the two power pipelines is improved, and the connection quality is higher; after the electric power pipeline is butted and completed, the end edges of the two adjacent electric power pipelines are chamfered by 0.5-1mm through the cutting machine, then the two electric power pipelines are tightly supported on the heating plate of the hot melting machine body through the two feeding mechanisms, after the end parts of the electric power pipelines are softened by hot melting, the heating plate of the hot melting machine is removed, the two electric power pipelines are continuously driven by the two feeding mechanisms to be tightly supported with each other for butt joint and fusion, so that the effective and accurate connection of the hot melting machine for electric power engineering pipeline connection construction to the electric power pipelines generating certain distortion is realized, and the construction efficiency is improved.
The present invention in a preferred example may be further configured to: the feeding mechanism comprises two rollers which are rotatably connected to the main base, the electric power pipeline points to the hot melting machine body under the clamping of the two rollers, and a motor used for driving the rollers to rotate is arranged on the main base.
Through adopting above-mentioned technical scheme, back in electric power pipeline inserts two gyro wheels, the starter motor drives the gyro wheel rotation of being connected with its transmission when the motor starts to can carry out the feed drive to electric power pipeline.
The present invention in a preferred example may be further configured to: the turnover mechanism comprises a clamping ring which is rotatably arranged on the main base, the axis of the clamping ring points to the hot melting machine body, a clamping assembly which is used for coaxially clamping an electric power pipeline is arranged on the clamping ring, and a driving assembly which is used for driving the clamping ring to rotate is arranged on the main base.
Through adopting above-mentioned technical scheme, insert a shorter electric power pipeline between two gyro wheels after, penetrate the grip ring again, when needing to carry out rotation adjustment to shorter electric power pipeline, earlier with the electric power pipeline rigid coupling on the grip ring through clamping component, it is rotatory through drive assembly drive grip ring afterwards, thereby it follows rotatoryly to drive electric power pipeline, so that the most straight one end of electric power pipeline docks with another electric power pipeline, other end overlap joint is on the bracket that closes on when electric power pipeline is rotatory, thereby the damage to the electric power pipeline outer wall when also having avoided the manpower to move electric power pipeline.
The present invention in a preferred example may be further configured to: the clamping assembly comprises an annular air bag arranged on the inner edge of the clamping ring, and the annular air bag is communicated with an air source.
Through adopting above-mentioned technical scheme, when needing fixed power conduit, aerify in to cyclic annular gasbag through the air supply, cyclic annular gasbag inflation supports tightly on power conduit's outer wall fully for power conduit can follow the effective rotation of grip ring, and the atmospheric pressure is even in the cyclic annular gasbag, makes power conduit and cyclic annular gasbag contact atress everywhere comparatively even, has avoided the uneven deformation condition that leads to of power conduit atress as far as possible.
The present invention in a preferred example may be further configured to: drive assembly includes coaxial rigid coupling and is in the ring gear on the outer edge of grip ring, rotate on the main base be connected with the first gear that the ring gear meshing is connected, close on the motor coaxial rigid coupling has the second gear on the rotation axis of gyro wheel, among the main bearing device be provided with the switching piece on the main base, work as when the motor starts, first gear with the second gear has and only has one to pass through the switching piece is followed the motor output is rotatory.
By adopting the technical scheme, when the power pipeline needs to be rotated, the first gear is in transmission connection with the output end of the motor through the switching piece, so that when the motor is started, the motor drives the first gear to rotate through the switching piece, and the first gear drives the gear ring and the clamping ring to rotate when rotating, thereby realizing effective overturning driving of the overturning mechanism on the power pipeline; when the power pipeline needs to be fed, the second gear is in transmission connection with the output end of the motor through the switching piece, so that when the motor is started, the motor drives the second gear to rotate through the switching piece, and the second gear drives the roller which is coaxially and fixedly connected with the second gear to rotate when rotating, so that the power pipeline is conveyed; through the arrangement of the switching piece, the independent driving of the feeding structure and the turnover mechanism to the power pipeline can be realized by only arranging one motor, and the switching between the feeding mode and the turnover mode can be realized flexibly, so that the power device of the hot melting machine for connecting and constructing the power engineering pipeline is simplified, the counterweight and the purchase cost are reduced, the carrying is more convenient, and the switching mechanism is suitable for field construction.
The present invention in a preferred example may be further configured to: the vertical rigid coupling of motor is in on the main base, the switching piece is established including the syntropy cover third gear and the main bevel gear on the motor output, third gear and second gear meshing adaptation, rotate on the main base be connected with the vice bevel gear of the coaxial rigid coupling of first gear, vice bevel gear with main bevel gear meshing adaptation, the third gear with the rigid coupling has the cover to establish between the main bevel gear the sliding sleeve on the motor output, be provided with on the sliding sleeve and be used for fixing the sliding sleeve in locking piece on the motor output.
By adopting the technical scheme, when the electric power pipeline needs to be driven to rotate, the locking of the locking piece on the sliding sleeve is released, the sliding sleeve is shifted on the output end of the motor, the main bevel gear is meshed with the auxiliary bevel gear, the third gear is separated from the second gear and is meshed with the second gear, and the sliding sleeve is fixed through the locking piece, so that the motor drives the output end of the motor to rotate, the main bevel gear and the third gear are driven to rotate, the third gear idles, the main bevel gear drives the auxiliary bevel gear meshed with the main bevel gear to rotate, and the auxiliary bevel gear further drives the first gear coaxial with the auxiliary bevel gear to rotate, thereby realizing the rotation of the clamping ring; when the power pipeline needs to be driven to feed, the locking of the locking piece on the sliding sleeve is released, the sliding sleeve is shifted on the output end of the motor, the third gear is meshed with the second gear and is connected with the auxiliary bevel gear, the main bevel gear and the auxiliary bevel gear are disengaged and connected at the moment, the sliding sleeve is fixed through the locking piece, the motor drives the output end of the motor to rotate, the main bevel gear and the third gear are driven to rotate, the main bevel gear idles, the third gear drives the second gear meshed and connected with the third gear to rotate, the roller is driven to rotate to feed and drive the circuit pipeline, and the flexible switching effect of the switching piece on the first gear and the second gear is achieved.
The present invention in a preferred example may be further configured to: the locking piece is including seting up spout on the motor output periphery wall, the screw thread wear to be equipped with one end with the bolt of spout butt on the sliding sleeve, the spout is followed motor output axial sets up.
Through adopting above-mentioned technical scheme, rotatory bolt makes the bolt break away from with the butt of spout diapire, and the sliding sleeve can slide on the motor output this moment to carry out the transmission to third gear and main bevel gear and switch, rotatory bolt makes its tip and spout diapire butt after the sliding sleeve location again, thereby can fix the sliding sleeve on the motor output.
The present invention in a preferred example may be further configured to: an adjusting mechanism for adjusting the distance between the main base and the auxiliary base is arranged between the main base and the auxiliary base.
Through adopting above-mentioned technical scheme, adjustment mechanism can fix a position main base and arranging of vice base to the electric power pipeline that makes to erect above-mentioned can effectively aim at the hot melt machine body.
The present invention in a preferred example may be further configured to: the adjusting mechanism comprises a folding telescopic frame, and two ends of the folding telescopic frame are respectively hinged with the main base and the auxiliary base.
Through adopting above-mentioned technical scheme, foldable expansion bracket possesses directional flexible function, and its both ends articulate respectively and connect between main base and vice base to it is convenient for accomodate and transport to be adjustable apart from between main base and the vice base.
The invention also aims to provide a power engineering pipeline connection construction method applying the hot melting machine for power engineering pipeline connection construction, and the method has the advantage of effectively ensuring accurate butt joint fit of two power pipelines.
The second aim of the invention is realized by the following technical scheme:
a construction method for connecting electric engineering pipelines is based on the hot melting machine for construction of electric engineering pipeline connection, and comprises the following steps:
s1, preparing a pipeline, namely respectively supporting two electric pipelines to be connected through a main supporting device and an auxiliary supporting device, ensuring that the two electric pipelines are straight and coaxial, and cleaning the connecting ends of the two electric pipelines;
s2, cutting, namely cutting impurities and an oxidation layer at the butt joint end of the two power pipelines and ensuring that the butt joint end faces are smooth and clean;
s3, centering, namely rotating the shorter power pipeline through the turnover mechanism to calibrate the shorter power pipeline, so that the misalignment of the two power pipelines after centering is not more than 10% of the wall thickness;
s4, hot melting, namely driving the two electric power pipelines to mutually approach and tightly abut against a heating plate of the hot melting machine body through the feeding mechanism, and clamping and fixing the two electric power pipelines through the clamping assembly until the melting length of the end parts of the two electric power pipelines reaches 1-2 mm;
s5, welding and butt joint are carried out, a heating plate of the hot melting machine body is quickly moved away, the feeding mechanism drives the two power pipelines to continuously approach and abut against each other until the width of a turned edge of the butt joint end of the power pipelines reaches 2-4 mm;
s6, cooling, namely clamping the power pipelines through the clamping assembly, keeping the butt joint pressure between the two power pipelines, and naturally cooling the butt joint part of the two power pipelines until the curled edge is not thermal-inductive and is hard;
s7, the device is disassembled, the locking and the bearing of the main bearing device and the auxiliary bearing device on the two power pipelines are removed, and the main bearing device, the auxiliary bearing device and the hot melting machine body are transferred to the next belt butt joint position.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the shorter electric power pipeline is locally bent and deformed and cannot be matched with the other electric power pipeline, the shorter electric power pipeline can be driven to rotate on the main base and the auxiliary base through the turnover mechanism so that the end part of the electric power pipeline is matched with the other electric power pipeline, the manual labor is reduced, and the possibility that the electric power pipeline is scratched when the electric power pipeline is rotated manually is avoided as far as possible, so that the problem of inaccurate butt joint caused by the local bending of the dead weight of the electric power pipeline is effectively avoided, the matching accuracy of the two electric power pipelines is improved, the connection quality is higher, and the construction efficiency is also improved;
2. the annular air bag is inflated by the air source, the annular air bag is expanded and fully abutted against the outer wall of the power pipeline, so that the power pipeline can effectively rotate along with the clamping ring, the air pressure in the annular air bag is uniform, the stress of each part of the power pipeline, which is in contact with the annular air bag, is uniform, and the deformation condition caused by uneven stress of the power pipeline is avoided as much as possible;
3. through the arrangement of the switching piece, the independent driving of the feeding structure and the turnover mechanism to the power pipeline can be realized by only arranging one motor, and the switching between the feeding mode and the turnover mode can be realized flexibly, so that the power device of the hot melting machine for connecting and constructing the power engineering pipeline is simplified, the counterweight and the purchase cost are reduced, the carrying is more convenient, and the switching mechanism is suitable for field construction.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the main base, the feeding mechanism, and the rotating mechanism according to the first embodiment of the present invention.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic sectional view taken along line B-B in fig. 2.
Fig. 5 is a schematic sectional view taken along line C-C in fig. 2.
Fig. 6 is a flowchart illustrating a second embodiment of the present invention.
Reference numerals: 1. a fuser body; 2. a main supporting device; 3. a secondary support device; 4. a main base; 5. a sub-base; 6. a bracket; 7. a roller; 8. a motor; 9. a clamp ring; 10. an annular air bag; 11. a ring gear; 12. a first gear; 13. a second gear; 14. a switching member; 15. a third gear; 16. a main bevel gear; 17. a secondary bevel gear; 18. a sliding sleeve; 19. a chute; 20. a bolt; 21. a folding telescopic frame; 22. a protrusion; 23. a groove; 24. a support frame; 25. a slide rail; 26. a ball bearing; 27. a universal wheel; 28. a rubber layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the hot melting machine for electric power engineering pipeline connection construction disclosed by the invention comprises a hot melting machine body 1, and a main supporting device 2 and an auxiliary supporting device 3 which are respectively arranged on two sides of the hot melting machine body 1, wherein each of the main supporting device 2 and the auxiliary supporting device 3 comprises a main base 4 and an auxiliary base 5 arranged close to the hot melting machine body 1, a bracket 6 is fixedly connected to the auxiliary base 5, the bracket 6 is U-shaped, and a rubber layer 28 is fixedly connected to the inner side wall of the upper end of the bracket 6; the main base 4 is provided with a feeding mechanism for driving an electric power pipeline to advance along the arrangement direction of the main base 4 and the auxiliary base 5, the feeding mechanism comprises two rollers 7 which are rotatably connected to the main base 4, the electric power pipeline points to the hot melting machine body 1 under the clamping of the two rollers 7, the main base 4 is provided with a motor 8 for driving the rollers 7 to rotate, and the main base 4 in the main bearing device 2 is also provided with a turnover mechanism for driving the electric power pipeline to rotate around the axial direction of the electric power pipeline.
Two electric pipelines to be butted are respectively inserted between two rollers 7 on a main supporting device 2 and an auxiliary supporting device 3, so that a shorter electric pipeline is placed on the main supporting device 2 and aligned with the two electric pipelines, a hot melting machine body 1 is arranged between the two electric pipelines, when the end part of the shorter electric pipeline is not matched with the other electric pipeline due to local bending deformation, the shorter electric pipeline can be driven to rotate on the two rollers 7 and a bracket 6 through a turnover mechanism, so that the end part of the electric pipeline can be effectively matched with the other electric pipeline, the labor intensity caused by manual rotation is reduced, meanwhile, the rubber layer 28 on the bracket 6 supports the electric pipelines, the possibility that the electric pipelines are scratched when the electric pipelines are rotated manually is avoided as much as possible, and the shorter electric pipeline can be well matched with the longer electric pipeline on the ground, therefore, the problem of inaccurate butt joint caused by local bending of the dead weight of the power pipeline is effectively avoided, the fit accuracy of the two power pipelines is improved, the connection quality is higher, and the construction efficiency is improved.
After the electric power pipeline butt joint is completed, the end trimming edges of two adjacent electric power pipelines are cut by 0.5-1mm through the cutting machine, then, two motors 8 are started simultaneously, the rollers 7 which are connected with the motors in a transmission mode are driven to rotate when the motors 8 are started, so that the two electric power pipelines can be driven to be close to each other and abut against the heating plate of the hot melting machine body 1, after the end of each electric power pipeline is softened by hot melting, the heating plate of the hot melting machine is removed, the motors 8 are continuously started to enable the two groups of rollers 7 to drive the two electric power pipelines to abut against each other for butt joint fusion, and therefore effective accurate connection of the hot melting machine for electric power engineering pipeline connection construction to the electric power pipelines.
Referring to fig. 2 and 5, the turnover mechanism comprises a clamping ring 9 rotatably arranged on a main base 4, the axis of the clamping ring 9 points to the hot melting machine body 1, a support frame 24 which is divided into two axial sides of the clamping ring 9 is fixedly connected to the main base 4, the support frame 24 is arc-shaped, the cross section of the support frame is U-shaped, the support frame 24 is in splicing fit with the clamping ring 9, two radial sides of the clamping ring 9 are both provided with an annular slide rail 25 which is coaxial with the clamping ring 9, and two inner side walls of the support frame 24 are both rotatably provided with a plurality of balls 26 which are in rolling fit with the slide rail 25; the clamping ring 9 is provided with a clamping assembly for coaxially clamping the power pipeline, the main base 4 is provided with a driving assembly for driving the clamping ring 9 to rotate, the clamping assembly comprises an annular air bag 10 arranged on the inner edge of the clamping ring 9, the annular air bag 10 is communicated with an air source, and the air source is preferably a movable air pump.
After a shorter electric power pipeline is inserted between the two rollers 7, the shorter electric power pipeline penetrates into the clamping ring 9, when the shorter electric power pipeline needs to be adjusted in a rotating mode, the air source inflates the annular air bag 10, the annular air bag 10 expands and is fully abutted against the outer wall of the electric power pipeline, so that the electric power pipeline can effectively rotate along with the clamping ring 9, then the clamping ring 9 is driven to rotate on the two supporting frames 24 through the driving assembly, the electric power pipeline is driven to rotate along with the clamping ring, the straight end of the electric power pipeline is abutted against the other electric power pipeline, the other end of the electric power pipeline is abutted against the adjacent bracket 6 when the electric power pipeline rotates, and the rubber layer 28 is arranged to avoid damage to the outer wall of the electric power pipeline when the electric power pipeline is; the air pressure in the annular air bag 10 is uniform, so that the stress at each part of the electric power pipeline contacted with the annular air bag 10 is uniform, and the deformation condition caused by uneven stress of the electric power pipeline is avoided as much as possible.
Referring to fig. 3 and 4, the driving assembly includes a gear ring 11 (as shown in fig. 2) coaxially and fixedly connected to the outer edge of the clamping ring 9, a first gear 12 engaged with the gear ring 11 is rotatably connected to the main base 4, a second gear 13 is coaxially and fixedly connected to the rotation shaft of the roller 7 adjacent to the motor 8, a switching member 14 is provided on the main base 4 in the main supporting device 2, and when the motor 8 (as shown in fig. 2) is started, one or only one of the first gear 12 and the second gear 13 rotates along with the output end of the motor 8 through the switching member 14; the motor 8 is vertically and fixedly connected to the main base 4, the switching piece 14 comprises a third gear 15 and a main bevel gear 16 which are sleeved on the output end of the motor 8 in a synchronous manner, a protrusion 22 along the axial direction of the motor is fixedly connected to the side wall of the output end of the motor 8, and grooves 23 matched with the protrusion 22 are formed in the inner edges of the third gear 15 and the main bevel gear 16; the third gear 15 and the second gear 13 are meshed and adapted, the main base 4 is rotatably connected with an auxiliary bevel gear 17 coaxially and fixedly connected with the first gear 12, the auxiliary bevel gear 17 is meshed and adapted with the main bevel gear 16, a sliding sleeve 18 sleeved on the output end of the motor 8 is fixedly connected between the third gear 15 and the main bevel gear 16, and a locking piece used for fixing the sliding sleeve 18 on the output end of the motor 8 is arranged on the sliding sleeve 18.
When the power pipeline needs to be driven to rotate, the locking of the sliding sleeve 18 by the locking piece is released, the sliding sleeve 18 is pushed on the output end of the motor 8, the main bevel gear 16 is meshed with the auxiliary bevel gear 17, at the moment, the third gear 15 is separated from the second gear 13 and is meshed with the second gear, and the sliding sleeve 18 is fixed through the locking piece, so that the main bevel gear 16 and the third gear 15 are driven to rotate when the output end of the motor 8 is driven to rotate, the third gear 15 idles, the main bevel gear 16 drives the auxiliary bevel gear 17 meshed with the main bevel gear 16 to rotate, the auxiliary bevel gear 17 further drives the first gear 12 coaxial with the auxiliary bevel gear to rotate, and the rotation of the clamping ring 9 is realized; when the power pipeline needs to be driven to feed, the locking of the sliding sleeve 18 by the locking piece is released, the sliding sleeve 18 is pushed on the output end of the motor 8, the third gear 15 is meshed with the second gear 13, at the moment, the main bevel gear 16 is separated from the secondary bevel gear 17 in meshed connection, and then the sliding sleeve 18 is fixed through the locking piece, so that the motor 8 drives the output end of the motor to rotate, the main bevel gear 16 and the third gear 15 are driven to rotate, the main bevel gear 16 idles, the third gear 15 drives the second gear 13 meshed and connected with the third gear to rotate, the roller 7 is driven to rotate to feed and drive the circuit pipeline, and the flexible switching effect of the switching piece 14 on the first gear 12 and the second gear 13 is realized; the arrangement of the switching piece 14 enables the independent driving of the feeding structure and the turnover mechanism to the power pipeline to be realized by only arranging one motor 8, and the switching between the feeding mode and the turnover mode can be realized flexibly, so that the power device of the hot melting machine for connecting and constructing the power engineering pipeline is simplified, the counterweight and the acquisition cost are reduced, the carrying is more convenient, and the hot melting machine is suitable for field construction.
Referring to fig. 3 and 4, the locking member includes a sliding groove 19 formed in the outer peripheral wall of the output end of the motor 8 (as shown in fig. 2), a bolt 20 having one end abutting against the sliding groove 19 is threaded on the sliding sleeve 18, and the sliding groove 19 is axially arranged along the output end of the motor 8. Rotatory bolt 20 makes bolt 20 break away from the butt with 19 diapalls of spout, sliding sleeve 18 can slide on the motor 8 output this moment, so that carry out the transmission to third gear 15 and main bevel gear 16 and switch, rotatory bolt 20 makes its tip and 19 diapalls butt of spout after sliding sleeve 18 location again, thereby can fix sliding sleeve 18 on the motor 8 output, realized convenient locking and the unblock of locking piece to sliding sleeve 18, it is more convenient and fast when switching electric power engineering pipe connection construction with hot melting machine's the mode of feeding and upset mode.
Referring to fig. 1, an adjusting mechanism for adjusting the distance between the main base 4 and the sub-base 5 is arranged between the main base 4 and the sub-base 5, the adjusting mechanism includes a folding telescopic frame 21, the folding telescopic frame 21 is a folding telescopic structure common in the prior art, and is not described herein any more, two ends of the folding telescopic frame 21 are respectively hinged with the main base 4 and the sub-base 5, and four corners of the lower ends of the main base 4 and the sub-base 5 are rotatably connected with universal wheels 27. The folding type telescopic frame 21 has a directional telescopic function, and two ends of the folding type telescopic frame are respectively hinged between the main base 4 and the auxiliary base 5, so that the distance between the main base 4 and the auxiliary base 5 is adjustable, and the main supporting device 2 and the auxiliary supporting device 3 can be conveniently stored and transported; the arrangement of universal wheel 27 further improves the convenience when main supporting device 2 and vice supporting device 3 transport.
Example two
Referring to fig. 6, in order to provide a method for connecting and constructing a pipeline in an electrical engineering according to the present invention, the method for connecting and constructing a pipeline in an electrical engineering using the hot melting machine described in the first embodiment includes the following steps:
s1, preparing a pipeline: the method comprises the following steps that two electric power pipelines to be connected are respectively supported through a main supporting device 2 and an auxiliary supporting device 3, the two electric power pipelines are straight and coaxial, and the connecting ends of the two electric power pipelines are cleaned;
s2, cutting: cutting impurities and an oxidation layer at the butt joint end of the two power pipelines, and ensuring that the butt joint end faces are smooth and clean;
s3, centering: inflating the annular air bag through an air source to fix the shorter electric power pipeline on the clamping ring 9, shifting the sliding sleeve 18 to enable the main bevel gear 16 to be meshed with the auxiliary bevel gear 17, then fixing the sliding sleeve 18 on the output end of the motor 8 by rotating the bolt 20, and starting the motor 8, so that the clamping ring 9 is driven to drive the shorter electric power pipeline to rotate until the shorter electric power pipeline can be effectively centered with the longer electric power pipeline, and the misalignment after the two electric power pipelines are centered is not more than 10% of the wall thickness;
s4, hot melting: the locking of the bolt 20 to the sliding sleeve 18 is released, the sliding sleeve 18 is shifted to enable the second gear 13 to be meshed with the third gear 15, the sliding sleeve 18 is locked again, the motor 8 is started, the two electric power pipelines are driven to be close to each other and abut against a heating plate of the hot melting machine body 1 when the motor 8 drives the roller 7 to rotate, and the annular air bag is continuously inflated to ensure that the electric power pipelines can be clamped and fixed until the end part melting length of the two electric power pipelines reaches 1-2 mm;
s5, welding and butt joint: starting the motor 8 to rotate reversely to enable the two electric power pipelines to be away from each other for a certain distance, quickly moving away the heating plate of the hot melting machine body 1, and then starting the motor 8 to rotate forwardly to drive the two electric power pipelines to continuously approach each other and abut against each other until the width of the turned edge of the butt joint end of the electric power pipelines reaches 2-4 mm;
s6, cooling: maintaining the air pressure in the annular air bag to enable the power pipelines to be stably clamped on the clamping ring 9 so as to maintain the butt joint pressure between the two power pipelines and enable the butt joint parts of the two power pipelines to be naturally cooled until the curled edges are free of heat sensation and hard;
s7, dismounting the device: relieve main supporting device 2 and vice supporting device 3 to the locking and the bearing of two electric power pipelines, promote vice base 5 and be close to towards main base 4, the compression of the foldable expansion bracket 21 of foldable expansion bracket 21 shifts main supporting device 2, vice supporting device 3 and hot melt machine body 1 to next department area butt joint department again.
The implementation principle of the embodiment is as follows:
two electric pipelines to be butted are respectively inserted between two rollers 7 on a main supporting device 2 and an auxiliary supporting device 3, a shorter electric pipeline is placed on the main supporting device 2 and passes through a clamping ring 9, the two electric pipelines are aligned, a hot melting machine body 1 is placed between the two electric pipelines, the adjacent end parts of the two electric pipelines are chamfered by 0.5-1mm through a cutting machine, when the shorter electric pipeline is locally bent and deformed and the end part of the shorter electric pipeline cannot be matched with the other electric pipeline, the annular air bag 10 is inflated through an air source, the annular air bag 10 is expanded and fully abutted against the outer wall of the electric pipeline, then a rotating bolt 20 releases the locking of a sliding sleeve 18, the sliding sleeve 18 enables a main bevel gear 16 to be meshed and connected with an auxiliary bevel gear 17, a motor 8 is started, and the auxiliary bevel gear 17 drives the shorter electric pipeline on the clamping ring 9 to rotate when being driven to rotate, until the most straight part of the shorter electric power pipeline is butted with the other electric power pipeline, the misalignment amount of the two electric power pipelines in centering is controlled, the problem of inaccurate butting caused by local bending of the dead weight of the electric power pipelines can be effectively avoided, the fit accuracy of the two electric power pipelines is improved, the connection quality is higher, and the construction efficiency is improved; and then, the sliding sleeve 18 is shifted to enable the third gear 15 and the second gear 13 to be meshed and connected, the motor 8 is started, the roller 7 rotates to feed the electric power pipelines, the two electric power pipelines are close to each other and abut against the heating plate of the hot melting machine body 1 to perform hot melting, then the hot melting machine body 1 is removed, the motor 8 is continued to drive the two electric power pipelines to abut against each other, the two electric power pipelines are fused until cooling is performed, and therefore effective abutting joint of the electric power pipelines is achieved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a hot melt machine is used in construction of electric power engineering pipe connection which characterized in that: including hot melt machine body (1) and set up respectively main supporting device (2) and vice supporting device (3) of hot melt machine body (1) both sides, main supporting device (2) with vice supporting device (3) all include main base (4) and close on vice base (5) that hot melt machine body (1) set up, be provided with bracket (6) on vice base (5), be provided with on main base (4) and be used for driving electric power pipeline and follow main base (4) with the mechanism of advancing of direction is arranged in vice base (5), in main supporting device (2) still be provided with on main base (4) and be used for driving electric power pipeline around its axial rotation's tilting mechanism.
2. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 1, characterized in that: the feeding mechanism comprises two rollers (7) which are rotatably connected to the main base (4), an electric pipeline is clamped by the two rollers (7) and points to the hot melting machine body (1), and a motor (8) for driving the rollers (7) to rotate is arranged on the main base (4).
3. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 2, characterized in that: the turnover mechanism comprises a clamping ring (9) which is rotatably arranged on the main base (4), the axis of the clamping ring (9) is oriented to the hot melting machine body (1), a clamping assembly which is used for coaxially clamping an electric power pipeline is arranged on the clamping ring (9), and a driving assembly which is used for driving the clamping ring (9) to rotate is arranged on the main base (4).
4. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 3, characterized in that: the clamping assembly comprises an annular air bag (10) arranged on the inner edge of the clamping ring (9), and the annular air bag (10) is communicated with an air source.
5. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 3, characterized in that: drive assembly includes that coaxial rigid coupling is in ring gear (11) on the outer edge of grip ring (9), rotate on main base (4) be connected with first gear (12) that ring gear (11) meshing is connected, close on motor (8) coaxial rigid coupling has second gear (13) on the rotation axis of gyro wheel (7), in main supporting device (2) be provided with on main base (4) and switch piece (14), work as when motor (8) start, first gear (12) with second gear (13) have and only have one to pass through switch piece (14) are followed motor (8) output is rotatory.
6. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 5, characterized in that: the vertical rigid coupling of motor (8) is in on main base (4), switch piece (14) including with moving the cover establish third gear (15) and main bevel gear (16) on motor (8) output, third gear (15) and second gear (13) meshing adaptation, rotate on main base (4) be connected with vice bevel gear (17) of first gear (12) coaxial rigid coupling, vice bevel gear (17) with main bevel gear (16) meshing adaptation, third gear (15) with the rigid coupling has the cover to establish between main bevel gear (16) sliding sleeve (18) on motor (8) output, be provided with on sliding sleeve (18) and be used for fixing sliding sleeve (18) in locking piece on motor (8) output.
7. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 6, characterized in that: the locking piece is including offering spout (19) on motor (8) output periphery wall, sliding sleeve (18) are gone up the screw thread and are worn to be equipped with one end with bolt (20) of spout (19) butt, spout (19) are followed motor (8) output axial sets up.
8. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 3, characterized in that: an adjusting mechanism for adjusting the distance between the main base (4) and the auxiliary base (5) is arranged between the main base and the auxiliary base.
9. The hot melting machine for the electric power engineering pipeline connecting construction according to claim 8, characterized in that: the adjusting mechanism comprises a folding telescopic frame (21), and two ends of the folding telescopic frame (21) are respectively hinged with the main base (4) and the auxiliary base (5).
10. A construction method for connecting electric power engineering pipelines, which is based on the hot melting machine for construction of connecting electric power engineering pipelines as claimed in any one of claims 3 to 9, and is characterized in that: the method comprises the following steps:
s1, preparing a pipeline: respectively supporting two electric pipelines to be connected through the main supporting device (2) and the auxiliary supporting device (3), ensuring that the two electric pipelines are straight and coaxial, and cleaning the connecting ends of the two electric pipelines;
s2, cutting: cutting impurities and an oxidation layer at the butt joint end of the two power pipelines, and ensuring that the butt joint end faces are smooth and clean;
s3, centering: the shorter power pipeline is rotated through the turnover mechanism so as to be calibrated, and the misalignment of the two power pipelines after being centered is not more than 10% of the wall thickness;
s4, hot melting: the feeding mechanism drives the two electric power pipelines to approach each other and abut against a heating plate of the hot melting machine body (1), and the two electric power pipelines are clamped and fixed by the clamping assembly until the end parts of the two electric power pipelines are fused to be 1-2 mm;
s5, welding and butt joint: quickly moving away the heating plate of the hot melting machine body (1), and driving the two electric power pipelines to continuously approach and abut against each other through the feeding mechanism until the width of the turned edge of the butt joint end of the electric power pipelines reaches 2-4 mm;
s6, cooling: clamping the power pipelines through the clamping assembly, keeping the butt joint pressure between the two power pipelines, and naturally cooling the butt joint parts of the two power pipelines until the curled edges are not hot and hard;
s7, dismounting the device: and releasing the locking and supporting of the main supporting device (2) and the auxiliary supporting device (3) on the two power pipelines, and transferring the main supporting device (2), the auxiliary supporting device (3) and the hot melting machine body (1) to the next belt butt joint position.
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