CN213472236U

CN213472236U - Device for hot melting plastic pipes with different diameters for building

Info

Publication number: CN213472236U
Application number: CN202021411670.XU
Authority: CN
Inventors: 纪增; 王雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-06-18
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses A device for hot melting plastic pipes with different diameters for construction, which comprises A barrel body, the model of A PLC controller is CPM1A-10CDR-A-V1, the other end of an L-shaped rod penetrates into A groove to be jointed with A second spring, the side wall of A third dovetail block is provided with A first cross rod, one end of the first cross rod is fixedly connected with A blade, the cross section of the blade is A right triangle, the surface of the blade is fixedly connected with A heating rod, the other end of the second cross rod penetrates into A first chute to be fixedly connected with the side wall of A first disc, the model of A first three-phase asynchronous motor is Y2-80M2-4S150, the first cross rod is made of aluminum silicate ceramic fiber material, the functions are various, the practicability is strong, the rotary cutting can be realized while the adjustment between the two blades can be realized according to requirements, thereby the hot melting of PPR pipes with different models, the rotation of blade can be realized to the realization is according to the demand to the rotatory cutting of PPR inside pipe wall and outer wall, improves work efficiency, satisfies the user demand.

Description

Device for hot melting plastic pipes with different diameters for building

Technical Field

The utility model relates to a building field, concretely relates to device that hot melt is carried out to plastic tubing of different diameters for building.

Background

The hot melt device is a professional butt fusion instrument that is used for thermoplastic tubular product, the heating of mould melts then connects, the hot melt device is at the in-process of being connected such as pipeline and accessory, play vital role, however, hot melt device structure on the existing market often is different greatly, the function is also more single, need to change different hot melt heads when carrying out the hot melt to different PPR pipes, lead to the PPR mouth of pipe to take place to soften the phenomenon, the butt joint of the PPR pipe that is difficult for following, and hot melt in-process hot melt waste line adhesion is at the PPR pipe wall, need the manual work to tear it down, the operation is complicated, scald carelessly easily slightly, reduce work efficiency, can not satisfy building user demand.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problem, the utility model provides a device for building carries out the hot melt to the plastic tubing of different diameters.

The utility model discloses a realize through following technical scheme:

a device for hot melting plastic pipes with different diameters for buildings comprises a barrel body, wherein the bottom surface of the barrel body is fixedly connected with a base, the base is a solid body, a first disk is arranged in the barrel body in a laminating and rotating manner, a first dovetail groove is annularly formed in the inner wall of the barrel body, a first dovetail block is symmetrically arranged in the first dovetail groove in a laminating and sliding manner, the side wall of the first dovetail block is fixedly connected with the side wall of the first disk, a first sliding groove is formed in the side wall of the first disk, two second sliding grooves are symmetrically formed in the side wall of the first disk, the second sliding grooves are in a dovetail shape, a first sliding block is arranged in the second sliding grooves in a laminating and sliding manner, a U-shaped rod is fixedly connected with the side wall of the first sliding block, a first gear is sleeved at the other end of the U-shaped rod in a laminating and rotating manner, the other end of the U-shaped rod is laminated with the side, the first spring is A compression spring, A first three-phase asynchronous motor is fixedly connected to the center of the inner side wall of the barrel body, the output end of the first three-phase asynchronous motor is fixedly connected to the center of the side wall of the first disc, A PLC controller is fixedly connected to the side wall of the barrel body, the PLC controller is in the CPM1A-10CDR-A-V1 type, the PLC controller is electrically connected with the first three-phase asynchronous motor through A circuit, A second disc is attached to the side wall of the barrel body, A second dovetail groove is annularly formed in the side wall of the barrel body, two second dovetail blocks are attached to the second dovetail groove in A sliding mode, the side wall of each second dovetail block is fixedly connected with the side wall of the second disc, two third dovetail grooves are symmetrically formed in the side wall of the second disc, third dovetail blocks are attached to the third dovetail groove in A sliding mode, and two electric telescopic rods are symmetrically and fixedly connected to the side wall of the second, the electric telescopic rod is arranged in a third dovetail groove, the output end of the electric telescopic rod is fixedly connected with the side wall of the third dovetail block, the two electric telescopic rods are connected in series, the PLC is electrically connected with the electric telescopic rod through a circuit, the surface of the second disk is symmetrically in threaded connection with two bolts, the other end of each bolt penetrates into the third dovetail groove to be attached to the surface of the third dovetail block, a sleeve is sleeved on each bolt and is not in contact with the bolt, the side wall of each sleeve is fixedly connected with an L-shaped rod, the surface of the second disk is symmetrically provided with two grooves, a second spring is arranged in each groove, each second spring is a compression spring, the side wall of each L-shaped rod is provided with scales, the other end of each L-shaped rod penetrates into each groove to be attached to each second spring, the side wall of the third dovetail block is provided with a first cross rod, and one end of the first, the cross section of the blade is a right triangle, the surface of the blade is fixedly connected with a heating rod, the PLC is electrically connected with the heating rod through a circuit, the surface of the first cross rod is fixedly connected with a connecting rod, the side wall of the other end of the connecting rod is fixedly connected with an arc baffle, the two arc baffles are arranged between the two heating rods, one end of each arc baffle is provided with a T-shaped rod, the cross section of each T-shaped rod is square, the other end of each T-shaped rod penetrates through the arc baffle and is fixedly connected with a scraper, the cross section of each scraper is in a right trapezoid shape, each T-shaped rod is sleeved with a third spring, one end of each third spring is fixedly connected with the outer arc surface of the arc baffle, the other end of each third spring is fixedly connected with the T-shaped rod, each third spring is an extension spring, the T-shaped rod is slidably connected with the arc baffles, the side wall of the second disc is symmetrically, the other end of the first cross bar penetrates into the barrel body through the third dovetail block and the through groove in sequence and is fixedly connected with a second gear, the section of the first cross bar is circular, the first cross bar is rotationally connected with the third dovetail block, a second three-phase asynchronous motor is arranged in the first sliding groove in a fitting and sliding manner, the model of the second three-phase asynchronous motor is the same as that of the first three-phase asynchronous motor, the shell of the second three-phase asynchronous motor is square, the output end of the second three-phase asynchronous motor is fixedly connected with a second gear, the PLC is electrically connected with the second three-phase asynchronous motor through a circuit, the two first gears and the two second gears are in transmission connection through a chain, the first gear and the second gear are the same in type number, a second cross rod is fixedly connected to the center of the side wall of the second disc, and the other end of the second cross rod penetrates into the first sliding groove to be fixedly connected with the side wall of the first disc.

Preferably, the model of the first three-phase asynchronous motor is Y2-80M2-4S 150.

Preferably, the first cross bar is made of an aluminum silicate ceramic fiber material.

Compared with the prior art, the beneficial effects of the utility model are that: this device simple structure, the function is various, therefore, the clothes hanger is strong in practicability, through setting up first three-phase asynchronous machine, a PLC controller, the second disc, the second dovetail piece, the third dovetail piece, electric telescopic handle, a bolt, a sleeve, L shape pole, the second spring, first horizontal pole, the heating rod, the connecting rod, the camber baffle, T shape pole, rotatory cutting is realized when scraper blade and third spring can realize the regulation between two blades according to the demand, thereby be convenient for the PPR pipe of different models carries out the hot melt, reduce the softening area of port, and set up first disc, first dovetail piece, first slider, the U-shaped pole, first gear, first spring, the second gear, the rotation of blade can be realized to second three-phase asynchronous machine and chain, thereby realize carrying out rotatory cutting to PPR inside pipe wall and outer wall according to the demand, and improve work efficiency, and satisfy the user demand.

Drawings

FIG. 1 is a block diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view A-A of the structure of the present invention;

fig. 3 is a partial left side view of the structure of the present invention;

figure 4 is a partial enlarged view of the structure of the present invention.

In the figure: the device comprises a barrel body 1, a base 2, a first disc 3, a first dovetail block 4, a first sliding block 5, a U-shaped rod 6, a first gear 7, a first spring 8, a first three-phase asynchronous motor 9, a PLC (programmable logic controller) 10, a second disc 11, a second dovetail block 12, a third dovetail block 13, an electric telescopic rod 14, a bolt 15, a sleeve 16, an L-shaped rod 17, a second spring 18, a first cross rod 19, a blade 20, a heating rod 21, a connecting rod 22, an arc-shaped baffle 23, a T-shaped rod 24, a scraper 25, a third spring 26, a second gear 27, a second three-phase asynchronous motor 28, a chain 29, a second cross rod 30, a first dovetail groove 1-1, a second dovetail groove 1-2, a first sliding groove 3-1, a second sliding groove 3-2, a third dovetail groove 11-1, a groove 11-2 and a through groove 11-3.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3 and 4, the device for hot melting plastic pipes with different diameters for buildings comprises a barrel body 1, wherein a base 2 is fixedly connected to the bottom surface of the barrel body 1, the base 2 is a solid body, a first disk 3 is arranged in the barrel body 1 in a fitting and rotating manner, a first dovetail groove 1-1 is annularly formed in the inner wall of the barrel body 1, a first dovetail block 4 is symmetrically arranged in the first dovetail groove 1-1 in a fitting and sliding manner, the side wall of the first dovetail block 4 is fixedly connected with the side wall of the first disk 3, a first sliding groove 3-1 is formed in the side wall of the first disk 3, two second sliding grooves 3-2 are symmetrically formed in the side wall of the first disk 3, the second sliding grooves 3-2 are in a dovetail shape, a first sliding block 5 is arranged in the second sliding grooves 3-2 in a fitting and sliding manner, a U-shaped rod 6 is fixedly connected to the side wall of the first sliding block 5, the other end of the U-shaped rod 6 is jointed with A first gear 7 in A rotating way, the other end of the U-shaped rod 6 is jointed with the side wall of A first disc 3, A first spring 8 is arranged in A second chute 3-2, the first spring 8 is A compression spring, A first three-phase asynchronous motor 9 is fixedly connected with the center of the inner side wall of the barrel body 1, the output end of the first three-phase asynchronous motor 9 is fixedly connected with the center of the side wall of the first disc 3, the side wall of the barrel body 1 is fixedly connected with A PLC 10, the PLC 10 is CPM1A-10CDR-A-V1, the PLC 10 is electrically connected with the first three-phase asynchronous motor 9 through A circuit, the side wall of the barrel body 1 is jointed with A second disc 11, the side wall of the barrel body 1 is annularly provided with second dovetail grooves 1-2, two second dovetail blocks 12 are arranged in the second dovetail grooves 1-2 in A jointing and sliding way, the side wall of the second dovetail block 12 is fixedly connected with the side wall of the second disk 11, two third dovetail grooves 11-1 are symmetrically formed in the side wall of the second disk 11, a third dovetail block 13 is arranged in the third dovetail groove 11-1 in a fitting and sliding manner, two electric telescopic rods 14 are symmetrically and fixedly connected with the side wall of the second disk 11, the electric telescopic rods 14 are arranged in the third dovetail grooves 11-1, the output end of each electric telescopic rod 14 is fixedly connected with the side wall of the third dovetail block 13, the two electric telescopic rods 14 are connected in series, the PLC 10 is electrically connected with the electric telescopic rods 14 through a circuit, two bolts 15 are symmetrically and threadedly connected on the surface of the second disk 11, the other end of each bolt 15 penetrates into the third dovetail groove 11-1 to be fitted with the surface of the third dovetail block 13, a sleeve 16 is sleeved on each bolt 15, and the sleeve 16 is not in contact with the bolt 15, the side wall of the sleeve 16 is fixedly connected with an L-shaped rod 17, the surface of the second disc 11 is symmetrically provided with two grooves 11-2, the grooves 11-2 are internally provided with second springs 18, the second springs 18 are compression springs, the side wall of the L-shaped rod 17 is marked with scales, the other end of the L-shaped rod 17 penetrates into the grooves 11-2 to be attached to the second springs 18, the side wall of the third dovetail block 13 is provided with a first cross rod 19, one end of the first cross rod 19 is fixedly connected with a blade 20, the cross section of the blade 20 is a right triangle, the surface of the blade 20 is fixedly connected with a heating rod 21, the PLC 10 is electrically connected with the heating rod 21 through a circuit, the surface of the first cross rod 19 is fixedly connected with a connecting rod 22, the side wall of the other end of the connecting rod 22 is fixedly connected with an arc baffle 23, and the two arc baffles 23 are arranged between, a T-shaped rod 24 is arranged at one end of the arc-shaped baffle 23, the cross section of the T-shaped rod 24 is square, a scraper 25 is fixedly connected with the other end of the T-shaped rod 24 after penetrating through the arc-shaped baffle 23, the cross section of the scraper 25 is in a right trapezoid shape, a third spring 26 is sleeved on the T-shaped rod 24, one end of the third spring 26 is fixedly connected with the outer arc surface of the arc-shaped baffle 23, the other end of the third spring 26 is fixedly connected with the T-shaped rod 24, the third spring 26 is an extension spring, the T-shaped rod 24 is slidably connected with the arc-shaped baffle 23, two through grooves 11-3 are symmetrically formed in the side wall of the second disk 11, the two through grooves 11-3 are opposite to and communicated with a third dovetail groove 11-1, the other end of the first cross rod 19 sequentially penetrates through the third dovetail block 13 and the through grooves 11-3 into the barrel body 1 and is fixedly connected with a second, first horizontal pole 19 and third dovetail block 13 swivelling joint, the laminating slip is equipped with second three-phase asynchronous machine 28 in the first spout 3-1, second three-phase asynchronous machine 28 is the same with first three-phase asynchronous machine 9 model, second three-phase asynchronous machine 28 shell is square, 28 output of second three-phase asynchronous machine and a second gear 27 fixed connection, PLC controller 10 passes through circuit and second three-phase asynchronous machine 28 electric connection, is connected through a chain 29 transmission between two first gears 7 and the two second gears 27, first gear 7 is the same with second gear 27 model, 11 lateral wall center department fixedly connected with second horizontal pole 30 of second disc, the second horizontal pole 30 other end penetrates in the first spout 3-1 with 3 lateral walls fixed connection of first disc.

The model number of the first three-phase asynchronous motor 9 is Y2-80M2-4S 150.

The first cross bar 19 is made of an aluminum silicate ceramic fiber material.

The working principle is as follows: when the PPR pipe needs to be subjected to port hot melting to change the inner diameter of the PPR pipe, the device is connected with a power supply, then bolts 15 at two ends are screwed according to the requirement of the inner diameter of the port of the PPR pipe, the bolts 15 drive a sleeve 16 to move, the sleeve 16 drives an L-shaped rod 17 to slide, the scale of the side wall of the L-shaped rod 17 is observed, when the requirement of the inner diameter of the port of the PPR pipe is met, the bolts 15 are stopped being screwed, then a PLC (programmable logic controller) controller 10 is operated to enable an electric telescopic rod 14 to start working, the output end of the electric telescopic rod 14 pushes a third dovetail block 13 to move, the third dovetail block 13 drives a first cross rod 19 to move, the first cross rod 19 drives a blade 20 to move, the first cross rod 19 drives a connecting rod 22 to move, the connecting rod 22 drives an arc-shaped baffle 23 to move, the arc-shaped baffle 23 drives a third spring 26 to move, the third spring 26 drives a T-shaped rod 24 to, at the moment, the third dovetail block 13 stops moving, so that the two blades 20 indirectly stop moving, then the PLC 10 is operated to enable the heating rod 21 to start working, the heating rod 21 generates heat and transfers the heat to the blades 20, the arc-shaped baffle 23 is arranged to protect the blades 20 and prevent the blades 20 from being scalded by being touched by people carelessly, when the blades 20 are heated to a certain temperature, the PPR pipe needing hot melting is sleeved on the two blades 20, the section of the scraper 25 is in a right trapezoid shape, the scraper 25 is convenient to be inserted into the PPR pipe, the blades 20 are embedded into the PPR pipe at the moment, then the PLC 10 is operated to enable the first three-phase asynchronous motor 9 to start working, the first disc 3 at the output end of the first three-phase asynchronous motor 9 rotates, the first disc 3 drives the first dovetail block 4 to slide in the first dovetail groove 1-1, the first disc 3 drives the second cross rod 30 to rotate, the second cross bar 30 drives the second disc 11 to rotate, the second disc 11 drives the electric telescopic rod 14 to rotate, the electric telescopic rod 14 drives the third dovetail block 13 to rotate, the third dovetail block 13 drives the first cross bar 19 to rotate, the first cross bar 19 drives the blade 20 to rotate to cut the inner wall of the PPR pipe in a ring shape, the section of the blade 20 is in a right triangle shape, the cutting of the PPR pipe is facilitated, waste scraps are adhered to the inner wall of the PPR pipe in the cutting process of the blade 20, the first cross bar 19 drives the connecting rod 22 to rotate, the connecting rod 22 drives the arc-shaped baffle 23 to rotate, the arc-shaped baffle 23 drives the third spring 26 to rotate, the third spring 26 drives the T-shaped rod 24 to rotate, the T-shaped rod 24 drives the scraper 25 to rotate, so that the waste scraps adhered to the inner wall of the PPR pipe are scraped, after the inner wall of the PPR pipe is cut by hot melting, the PLC 10 stops the first three-phase asynchronous motor 9 and the heating, when the outer diameter of the PPR pipe needs to be changed by hot melting, the PLC 10 is operated to enable the output end of a second three-phase asynchronous motor 28 to drive a second gear 27 to rotate 180 degrees and then stop, the second gear 27 drives another second gear 27 to rotate 180 degrees through a chain 29, the second gear 27 drives a first cross rod 19 to rotate, the first cross rod 19 drives the first cross rod 19 to drive a blade 20 to rotate 180 degrees, the first cross rod 19 drives a connecting rod 22 to rotate, the connecting rod 22 drives an arc-shaped baffle 23 to rotate, the arc-shaped baffle 23 drives a third spring 26 to rotate, the third spring 26 drives a T-shaped rod 24 to rotate, the T-shaped rod 24 drives a scraper 25 to rotate 180 degrees, then the outer diameter hot melting of the PPR pipe is carried out according to the operation, after the device is used, the PLC 10 enables all electrical equipment of the device to stop working, then the device is separated from a power supply, and a first sliding block 5, The arrangement of the U-shaped rod 6 and the first spring 8 of the compression spring always pushes the first gear 7 to move, so that the chain 29 is in a tightening state, the normal work of the device is guaranteed, the base 2 is a solid body and plays a role in supporting and balancing weight, and the first cross rod 19 is made of aluminum silicate ceramic fiber materials and effectively insulates heat.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a device that plastic tubing to different diameters carries out hot melt for building, includes staving (1), staving (1) bottom surface fixedly connected with base (2), base (2) are the solid, its characterized in that: the barrel body (1) is internally provided with a first disc (3) in a laminating and rotating manner, the inner wall of the barrel body (1) is annularly provided with a first dovetail groove (1-1), the first dovetail groove (1-1) is internally provided with a first dovetail block (4) in a symmetrical and sliding manner, the side wall of the first dovetail block (4) is fixedly connected with the side wall of the first disc (3), the side wall of the first disc (3) is provided with a first sliding chute (3-1), the side wall of the first disc (3) is symmetrically provided with two second sliding chutes (3-2), the second sliding chutes (3-2) are in a dovetail shape, the second sliding chutes (3-2) are internally provided with a first sliding block (5) in a laminating and sliding manner, the side wall of the first sliding block (5) is fixedly connected with a U-shaped rod (6), the other end of the U-shaped rod (6) is rotatably sleeved with a first gear (7), and the other end of the U-shaped rod (6) is laminated with the side wall of the first disc (, the novel barrel is characterized in that A first spring (8) is arranged in the second sliding groove (3-2), the first spring (8) is A compression spring, A first three-phase asynchronous motor (9) is fixedly connected to the center of the inner side wall of the barrel body (1), the output end of the first three-phase asynchronous motor (9) is fixedly connected to the center of the side wall of the first disc (3), A PLC (programmable logic controller) (10) is fixedly connected to the side wall of the barrel body (1), the PLC (10) is in the type of CPM1A-10CDR-A-V1, the PLC (10) is electrically connected with the first three-phase asynchronous motor (9) through A circuit, A second disc (11) is attached to the side wall of the barrel body (1), A second dovetail groove (1-2) is annularly opened in the side wall of the barrel body (1), two second dovetail blocks (12) are slidably arranged in the second dovetail groove (1-2), the side wall of the second dovetail block (12) is fixedly connected with the side wall of the second disc (11), the side wall of the second disc (11) is symmetrically provided with two third dovetail grooves (11-1), the third dovetail grooves (11-1) are internally provided with third dovetail blocks (13) in a fitting and sliding manner, the side wall of the second disc (11) is symmetrically and fixedly connected with two electric telescopic rods (14), the electric telescopic rods (14) are arranged in the third dovetail grooves (11-1), the output end of each electric telescopic rod (14) is fixedly connected with the side wall of each third dovetail block (13), the two electric telescopic rods (14) are connected in series, the PLC controller (10) is electrically connected with the electric telescopic rods (14) through a circuit, the surface of the second disc (11) is symmetrically in threaded connection with two bolts (15), the other ends of the bolts (15) penetrate into the third dovetail grooves (11-1) and are fitted with the surface of the third dovetail blocks (13), the bolt (15) is sleeved with a sleeve (16), the sleeve (16) is not in contact with the bolt (15), the side wall of the sleeve (16) is fixedly connected with an L-shaped rod (17), the surface of the second disc (11) is symmetrically provided with two grooves (11-2), a second spring (18) is arranged in each groove (11-2), the second spring (18) is a compression spring, the side wall of the L-shaped rod (17) is provided with scales, the other end of the L-shaped rod (17) penetrates into each groove (11-2) to be attached to the second spring (18), the side wall of the third dovetail block (13) is provided with a first cross rod (19), one end of the first cross rod (19) is fixedly connected with a blade (20), the cross section of the blade (20) is in a right-angled triangle shape, the surface of the blade (20) is fixedly connected with a heating rod (21), and the PLC controller (10) is electrically connected with the heating rod (21) through a circuit, the surface of the first cross rod (19) is fixedly connected with a connecting rod (22), the side wall of the other end of the connecting rod (22) is fixedly connected with an arc-shaped baffle (23), the two arc-shaped baffles (23) are arranged between the two heating rods (21), one end of each arc-shaped baffle (23) is provided with a T-shaped rod (24), the cross section of each T-shaped rod (24) is square, the other end of each T-shaped rod (24) penetrates through the arc-shaped baffles (23) to be fixedly connected with a scraper (25), the cross section of each scraper (25) is in a right trapezoid shape, each T-shaped rod (24) is sleeved with a third spring (26), one end of each third spring (26) is fixedly connected with the outer arc surface of each arc-shaped baffle (23), the other end of each third spring (26) is fixedly connected with the corresponding T-shaped rod (24), each third spring (26) is an extension spring, the T-shaped rods (24) are slidably connected with the arc-shaped baffles (23), the side walls of the second, the two through grooves (11-3) are opposite to and communicated with the third dovetail groove (11-1), the other end of the first cross rod (19) sequentially penetrates through the third dovetail block (13) and the through groove (11-3) to penetrate into the barrel body (1) to be fixedly connected with a second gear (27), the cross section of the first cross rod (19) is circular, the first cross rod (19) is rotatably connected with the third dovetail block (13), a second three-phase asynchronous motor (28) is arranged in the first sliding groove (3-1) in a fitting sliding manner, the second three-phase asynchronous motor (28) is the same as the first three-phase asynchronous motor (9) in type, the shell of the second three-phase asynchronous motor (28) is square, the output end of the second three-phase asynchronous motor (28) is fixedly connected with the second gear (27), and the PLC controller (10) is electrically connected with the second three-phase asynchronous motor (28) through a circuit, two first gears (7) and two second gears (27) are connected through a chain (29) transmission, first gear (7) is the same with second gear (27) model, second disc (11) lateral wall center fixedly connected with second horizontal pole (30), second horizontal pole (30) other end penetrate first spout (3-1) in with first disc (3) lateral wall fixed connection.

2. An apparatus for heat-fusing plastic pipes of different diameters for construction as claimed in claim 1, wherein: the type of the first three-phase asynchronous motor (9) is Y2-80M2-4S 150.

3. An apparatus for heat-fusing plastic pipes of different diameters for construction as claimed in claim 1, wherein: the first cross rod (19) is made of an aluminum silicate ceramic fiber material.