CN113210778B

CN113210778B - Continuity steel pipe cutting device for construction

Info

Publication number: CN113210778B
Application number: CN202110620094.2A
Authority: CN
Inventors: 金虎
Original assignee: Guangxi Guodun Civil Air Defense Engineering Co ltd
Current assignee: Guangxi Guodun Civil Air Defense Engineering Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-10-11
Anticipated expiration: 2041-06-03
Also published as: CN113210778A

Abstract

The invention discloses a continuous steel pipe cutting device for building construction, which comprises a base, wherein two sides of the top end of the base are respectively and fixedly provided with a supporting plate, the side wall of one supporting plate is symmetrically and fixedly provided with a mounting block, the opposite side walls of the two mounting blocks are respectively and fixedly provided with an infrared signal emitter, the infrared signal emitter positioned on the left side emits a signal to cut the steel pipe, a cutting part between the two supporting plates and the steel pipe is relatively static, an inserting plate is arranged to divide the cut steel pipe, and a plurality of groups of spring cylinders are arranged on a first belt, so that the steel pipe can shake in the advancing process to influence the surrounding cutting precision, the cut steel pipe falls into a collecting box to be collected after moving to the right side in an attached drawing, and meanwhile, the normal stroke of a cutting line can not be influenced, the continuous automatic cutting process is finished, the operation is simple and convenient, and the working efficiency is greatly improved.

Description

Continuity steel pipe cutting device for construction

Technical Field

The invention relates to the field of machining, in particular to a continuous steel pipe cutting device for building construction.

Background

Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used to make net frame, support and mechanical support for building structure, and this can reduce weight, save metal by 20-40% and realize industrial mechanical construction. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost are saved. Therefore, any other type of steel cannot completely replace steel pipes, but steel pipes can replace parts of profiles and bars. The steel pipe has a great relationship to national economic development and human life quality improvement, and is far superior to other steel materials. From daily appliances, furniture, water supply and drainage, air supply and supply, ventilation and heating facilities of people to the manufacture of various agricultural machinery appliances, the development of underground resources, guns, bullets, missiles, rockets and the like used in national defense and aerospace can not be separated from steel pipes.

The steel pipe is after processing is accomplished, need cut and be the same secondary steel pipe of size for satisfy different demands in each trade, and current steel pipe cutting device adopts the cutting machine to cut mostly, and the cutting volume is big, and efficiency reduces, and simultaneously when the cutting, need constantly mark the steel pipe to guarantee the precision of follow-up cutting, further reduced work efficiency, consequently need an automatic steel pipe cutting device of continuity.

Disclosure of Invention

In order to solve the above problems, the present invention provides a continuous steel pipe cutting apparatus for construction.

The invention is realized by the following technical scheme:

a continuous steel pipe cutting device for building construction comprises a base, wherein two sides of the top end of the base are respectively and fixedly provided with a supporting plate, the side wall of one supporting plate is symmetrically and fixedly provided with mounting blocks, the opposite side walls of the two mounting blocks are respectively and fixedly provided with an infrared signal transmitter, a collecting box is placed on one side of the top end of the base, a fixed rod is fixedly arranged on one side of the top end of the base, the top end of the fixed rod is fixedly provided with an adjusting sleeve, the adjusting sleeve is in sliding connection with an adjusting rod, the adjusting rod is in a transverse T-shaped shape and marked with scales, the adjusting sleeve is in threaded connection with a locking bolt, two first transmission shafts are arranged between the bottoms of the two supporting plates, each first transmission shaft is fixedly sleeved with a first transmission roller, and two ends of the two first transmission rollers are respectively attached to the opposite side walls of the two supporting plates, two ends of each first transmission shaft extend into the opposite side walls of the two support plates and are rotatably connected with the two support plates, a first driving motor is fixedly mounted on the side wall of one of the support plates, the output end of the first driving motor is fixedly connected with one end of one of the first transmission shafts, a first belt is sleeved on the two first transmission rollers together, a plurality of groups of spring cylinders are uniformly and fixedly mounted on the outer surface of each first belt, each group of two spring cylinders are symmetrically arranged, a limiting slide block is connected in each spring cylinder in a sliding manner, a return spring is arranged in each spring cylinder, one end of each return spring is fixedly connected with one end of the limiting slide block, the other end of each return spring is fixedly connected with the inner wall of one side of the spring cylinder, a sliding rod is fixedly connected to the other side of each limiting slide block, and the other end of each sliding rod penetrates through the corresponding spring cylinder and is connected with the corresponding spring cylinder in a sliding manner, the hinge structure comprises a hinge structure body, wherein a hinge plate and a hinge shaft are arranged on the hinge structure body, the hinge plate is divided into a sub-leaf and a main leaf, the sub-leaf and the main leaf are both arranged on the hinge shaft and form hinge connection, rubber blocks are fixedly arranged on the inclined side wall below the lower part of each extrusion plate, an extrusion spring is fixedly connected to the inclined side wall above the upper part of each extrusion plate, and the other end of each extrusion spring is fixedly connected with the corresponding side wall of the support plate, two second transmission shafts are arranged between the tops of the two support plates, each second transmission shaft is fixedly sleeved with a second transmission roller, two ends of each second transmission roller are respectively attached to opposite side walls of the two support plates, two ends of each second transmission shaft extend into the opposite side walls of the two support plates and are rotatably connected with the opposite side walls, a second driving motor is fixedly mounted on the side wall of one support plate, an output end of the second driving motor is fixedly connected with one end of one of the second transmission shafts, a second belt is commonly sleeved on the two second transmission rollers, a plurality of rubber mounting plates are uniformly and fixedly mounted on the outer surface of the second belt, a reinforcing plate is fixedly connected between the two support plates and is arranged in the second belt, and the bottom end of the reinforcing plate is attached to the inner bottom surface of the second belt, the top end of each rubber mounting plate is provided with a support in a laminating manner, each support is in threaded connection with a positioning pin, each support is fixedly connected with the corresponding rubber mounting plate through the positioning pin, the top end of each support is provided with two first dovetail grooves, two first dovetail blocks are connected in each first dovetail groove in a sliding manner, a compression spring is arranged in each first dovetail groove, two ends of each compression spring are respectively and fixedly connected with two opposite side walls of the corresponding first dovetail blocks, the top end of each first dovetail block is fixedly connected with a first connecting block, the two first dovetail blocks symmetrically arranged in the two first dovetail grooves are in a group, a first rotating shaft is arranged between each group of first connecting blocks, a driving wheel is fixedly sleeved on each first rotating shaft, two side walls of each first rotating shaft respectively extend into and are rotatably connected with the opposite side walls of the two first connecting blocks in each group, a cutting motor is fixedly arranged on one side wall of the two first connecting blocks in each group, the output end of each cutting motor is fixedly connected with one end of the corresponding first rotating shaft, the top end of each first connecting block is fixedly connected with a second connecting block in each group, two side walls of the first connecting blocks in each first dovetail grooves are fixedly connected with a second rotating shaft, a second fixing plate is fixedly connected between the second rotating shaft, a second fixing plate is fixedly connected with a second rotating shaft, a second fixing plate is fixedly connected between each second rotating shaft in each group, a second fixing plate is fixedly connected with a second rotating shaft, one side of every first connecting block of group all is provided with the arc limiting plate, the inner arc wall central authorities department of every arc limiting plate all is provided with the second dovetail, equal sliding connection has the second dovetail piece in every second dovetail, the one end of every second dovetail piece all with the one end fixed connection of corresponding second anchor strut, the other end of every first anchor strut all with the inner arc wall fixed connection of corresponding arc limiting plate, the equal fixedly connected with montant of bottom one angle department of every second connecting block, be provided with the picture peg between four corresponding montants, the both sides of every picture peg all are provided with two spouts, equal sliding connection has two sliders in every spout, equal two slide bars of fixedly connected with on the outer wall of every montant, every slide bar all with corresponding slider one side fixed connection.

Preferably, the infrared signal transmitter is electrically connected with an external power supply through a circuit, and each electric telescopic rod is provided with a signal receiver.

Preferably, install the battery box on the surface of second belt, cutting motor and electric telescopic handle all pass through circuit and battery electric connection.

Preferably, the first driving motor and the second driving motor are electrically connected with an external power supply through a circuit

Preferably, the thickness of the inserting plate is the same as that of the cutting line, and the thickness of the cutting line is between 0.3 and 0.5 cm.

Preferably, the reinforcing plate is made of a hard alloy material.

Preferably, the outer surface of the rubber block is smooth, and the cross section of the rubber block is semicircular.

Compared with the prior art, the invention has the beneficial effects that: the cutting line is lowered and cut by the electric telescopic rod and the cutting motor, the first belt and the second belt rotate in opposite directions at the moment, but the speed is the same, so that the cutting part between the first belt and the second belt and the steel pipe are relatively static, and the cutting work is finished.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view of A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a block diagram of B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of C in FIG. 2 according to the present invention;

FIG. 5 is an enlarged schematic view of D of FIG. 2 in accordance with the present invention;

FIG. 6 is a top view of the arcuate limiting plate of FIG. 1 according to the present invention;

fig. 7 is a schematic diagram of the operation of the structure of fig. 2 according to the present invention.

In the figure: the device comprises a base 1, a supporting plate 2, a mounting block 3, an infrared signal emitter 4, a collecting box 5, a fixing rod 6, an adjusting sleeve 7, a locking bolt 8, an adjusting rod 9, a first transmission roller 10, a first transmission shaft 11, a first driving motor 12, a first belt 13, a spring cylinder 14, a sliding rod 15, a return spring 16, a limiting slider 17, a transverse plate 18, a squeezing plate 19, a squeezing spring 20, a rubber block 21, a hinge structure 22, a second transmission shaft 23, a second transmission roller 24, a second belt 25, a rubber mounting plate 26, a second driving motor 27, a first dovetail groove 28, a first dovetail block 29, a first connecting block 30, a second connecting block 31, an electric telescopic rod 32, a cutting motor 33, a driving wheel 34, a first rotating shaft 35, a cutting line 36, a positioning pin 37, a second rotating shaft 38, a driven wheel 39, a first fixing plate 40, a second fixing plate 41, an arc-shaped limiting plate 42, a second dovetail groove 43, a support 44, a vertical rod 45, a sliding rod 46, an inserting plate 47, a sliding groove 48, a slider 49, a compression spring 50, a first reinforcing rod 51, a second reinforcing rod 52 and a dovetail block 53.

Detailed Description

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

as shown in fig. 1, 2, 3, 4, 5, 6 and 7, the continuous steel pipe cutting device for building construction comprises a base 1, wherein support plates 2 are respectively and fixedly installed at two sides of the top end of the base 1, installation blocks 3 are symmetrically and fixedly installed on the side wall of one support plate 2, infrared signal transmitters 4 are respectively and fixedly installed on the opposite side walls of the two installation blocks 3, a collection box 5 is placed at one side of the top end of the base 1, a fixing rod 6 is fixedly installed at one side of the top end of the base 1, an adjusting sleeve 7 is fixedly installed at the top end of the fixing rod 6, an adjusting rod 9 is slidably connected in the adjusting sleeve 7, the adjusting rod 9 is in a transverse T shape, scales are marked on the adjusting rod 9, a locking bolt 8 is screwed on the adjusting sleeve 7, two first transmission shafts 11 are arranged between the bottoms of the two support plates 2, and a first transmission roller 10 is fixedly sleeved on each first transmission shaft 11, two ends of two first transmission rollers 10 are respectively attached to two opposite side walls of the two support plates 2, two ends of each first transmission shaft 11 extend into the opposite side walls of the two support plates 2 and are rotatably connected with the opposite side walls, a first driving motor 12 is fixedly mounted on the side wall of one of the support plates 2, an output end of the first driving motor 12 is fixedly connected with one end of one of the first transmission shafts 11, the two first transmission rollers 10 are jointly sleeved with a first belt 13, a plurality of groups of spring cylinders 14 are uniformly and fixedly mounted on the outer surface of each first belt 13, each group of two spring cylinders 14 are symmetrically arranged, two limiting sliders 17 are slidably connected in each spring cylinder 14, return springs 16 are arranged in each spring cylinder 14, and one end of each return spring 16 is fixedly connected with one end of each limiting slider 17, the other end of each reset spring 16 is fixedly connected with the inner wall of one side of the spring cylinder 14, the other side of each limiting slide block 17 is fixedly connected with a slide rod 15, the other end of each slide rod 15 penetrates through the corresponding spring cylinder 14 and is in sliding connection with the corresponding spring cylinder 14, transverse plates 18 are fixedly connected between the slide rod 15 in the two spring cylinders 14 in each group, two adjacent transverse plates 18 are attached to each other, multiple groups of extrusion plates 19 are symmetrically arranged between the opposite side walls of the two support plates 2, each group of extrusion plates 19 is two, each group of extrusion plates 19 is obliquely arranged, a hinge structure 22 is fixedly installed at the bottom end of each extrusion plate 19, each extrusion plate 19 is hinged to the corresponding side wall of the support plate 2, the hinge structure 22 adopts a hinge structure, a main body of the hinge structure comprises a hinge sheet and a hinge shaft, the hinge sheet is divided into a sub-sheet and a mother-sheet, the sub-sheet and the mother-sheet are installed on the hinge shaft and form hinge connection, a rubber block 21 is fixedly installed on the oblique side wall in each extrusion plate 19 below, an oblique transmission shaft above each side wall is fixedly connected with a fixed on a transmission shaft, two second transmission shaft 20 is fixedly connected with the second support plate 2, two opposite side walls 23 of the second support plate 2, two second support plate 2 are fixedly connected with a second support plate 2, two second support plate drive shaft 23, two second support plate drive shafts are installed on the second support plate 2, two opposite side walls 23, a second support plate 2, two drive shaft 23, and are installed on the second support plate 2, two drive shaft 23 fixed drive shaft, and are installed on the second support plate 2, two second support plates 23, the two second driving rollers 24 are jointly sleeved with the second belt 25, a plurality of rubber mounting plates 26 are uniformly and fixedly mounted on the outer surface of the second belt 25, a reinforcing plate 54 is fixedly connected between the two supporting plates 2, the reinforcing plate 54 is arranged in the second belt 25, the bottom end of the reinforcing plate 54 is attached to the inner bottom surface of the second belt 25, a support 44 is attached to the top end of each rubber mounting plate 26, a positioning pin 37 is screwed on each support 44, each support 44 is fixedly connected with the corresponding rubber mounting plate 26 through the positioning pin 37, two first dovetail grooves 28 are arranged at the top end of each support 44, two first dovetail blocks 29 are slidably connected in each first dovetail groove 28, a compression spring 50 is arranged in each first dovetail groove 28, and two ends of each compression spring 50 are respectively and fixedly connected with two opposite side walls of the corresponding first dovetail blocks 29, the top end of each first dovetail block 29 is fixedly connected with a first connecting block 30, two first dovetail blocks 29 symmetrically arranged in two first dovetail grooves 28 form a group, a first rotating shaft 35 is arranged between each group of first connecting blocks 30, a driving wheel 34 is fixedly sleeved on each first rotating shaft 35, two ends of each first rotating shaft 35 respectively extend into and are rotatably connected with opposite side walls of the two first connecting blocks 30 in each group, a cutting motor 33 is fixedly arranged on one side wall of one of the two first connecting blocks 30 in each group, the output end of each cutting motor 33 is fixedly connected with one end of the corresponding first rotating shaft 35, the top end of each first connecting block 30 is fixedly connected with an electric telescopic rod 32, the top end of each electric telescopic rod 32 is fixedly connected with a second connecting block 31, a second rotating shaft 38 is arranged between the two second connecting blocks 31 in each group, a driven wheel 39 is fixedly connected to each second rotating shaft 38 in a fixed mode, two ends of each second rotating shaft 38 respectively extend into two opposite side walls of each second connecting block 31 in each group and are connected with the second rotating shaft in a rotating mode, first fixing plates 40 are fixedly connected between each second connecting block 31 in each group, second fixing plates 41 are fixedly connected between each first connecting block 30 in each group, second fixing rods 52 are fixedly connected to the side walls of each first fixing plate 40, first fixing rods 51 are fixedly connected to the side walls of each second fixing plate 41, arc-shaped limiting plates 42 are arranged on one side of each first connecting block 30 in each group, second dovetail grooves 43 are arranged in the center of the inner arc walls of each arc-shaped limiting plate 42, second dovetail blocks 53 are connected to the inner arc walls of each second dovetail plate 43 in a sliding mode, one end of each second dovetail block 53 is fixedly connected with one end of each corresponding second fixing rod 52, the other end of each first fixing rod 51 is fixedly connected with the inner arc wall of the corresponding arc-shaped limiting plate 42, an angle at the bottom end of each second dovetail block 31 is fixedly connected with a corresponding vertical rod 45, insert plates 47 are arranged between four corresponding vertical rods 45, two insert plates 47 are arranged on two sides of each first rotating shaft 38, two slide grooves 49 are respectively connected with two slide blocks 46, and two slide blocks 46 are connected with two slide blocks 46 on two sides of each slide grooves 49.

The infrared signal emitter 4 is electrically connected with an external power supply through a circuit, and each electric telescopic rod 32 is provided with a signal receiver.

Install the battery box on the surface of second belt 25, cutting motor 33 and electric telescopic handle 32 all pass through circuit and battery electric connection.

The first driving motor 12 and the second driving motor 27 are electrically connected with an external power supply through a circuit

The thickness of the inserting plate 47 is the same as that of the cutting line 36, and the thickness of the cutting line 36 is between 0.3 and 0.5 cm.

The reinforcing plate 54 is made of a cemented carbide material.

The outer surface of the rubber block 21 is smooth, and the cross section of the rubber block is semicircular.

The working principle is as follows: when the device is needed to be used, firstly, the device is placed in a working area, then, each driving power supply in the device is connected, the device is in a standby state, the device can be normally used, at the moment, referring to figure 1, when cutting is carried out, the position of the adjusting rod 9 is firstly adjusted, the T-shaped vertical surface of the adjusting rod 9 is aligned with the left side of the cutting line 36 on the right side, scales are arranged on the adjusting rod 9, the adjustment can be conveniently carried out, a handle is arranged on the right side of the adjusting rod 9, the operation can be conveniently carried out, after the adjustment is finished, the locking bolt 8 on the adjusting sleeve 7 is rotated to lock, then, the steel pipe is placed on a plurality of transverse plates 18 which are mutually attached, due to the dead weight of the steel pipe, the reset springs 16 in a plurality of groups of spring cylinders 14 can be stressed and compressed but not compressed to the limit, and when the steel pipe is placed on the plurality of transverse plates 18, the steel pipes are limited by a plurality of groups of extrusion plates 19 hinged on the two support plates 2 from two sides (refer to the position of the extrusion plates 19 in the attached drawing 2, the dotted line part is the steel pipe), a plurality of rubber blocks 21 are attached to the outer wall of the steel pipe and slightly deform under the action of an extrusion spring 20, so that the steel pipe is prevented from shaking left and right during cutting (the left and right direction in the attached drawing 2 and the front and back direction in the attached drawing 1), the cross section of each rubber block 21 is semicircular, so that the normal running of the steel pipe cannot be influenced, after one end of the steel pipe is attached to one end of the adjusting rod 9, the primary positioning is completed, so that the adjusting rod 9 is moved to the initial position and is fixed through the locking bolt 8, the cutting length is adjusted at the moment, the quantitative cutting length in the attached drawing 1 is required to be changed, only the corresponding positioning pin 37 is required to be taken down, the rubber mounting plate 26 is separated from the support 44, and the cut portion at the current position is removed, so that the cut length is changed (for example: 10 cutting parts in the attached drawing 1 are provided, the distance between two adjacent cutting parts is the same, when the cutting length is increased, a plurality of cutting parts are taken down, the distance between the two cutting parts is increased, if the cutting length is reduced, the principle is opposite, the cutting parts can be increased, the operation is simple and convenient), so that the cutting work can be carried out, the infrared signal emitter 4 positioned on the left side in the attached drawing 1 emits signals, the electric telescopic rods 32 and the cutting motors 33 in a plurality of cutting parts below are started, the cutting line 36 descends to cut the cutting parts, the rotating directions of the first belt 13 and the second belt 25 are opposite, but the speeds are the same, so that the cutting parts between the two cutting parts and the steel pipe are relatively static, the cutting work is finished, the inserting plate 47 is arranged, firstly, in order to separate the cut steel pipes, secondly, in order to prevent the steel pipes from shaking in the advancing process and influence the cutting precision around, after the cut steel pipes move to the right side in the attached drawing 1, the cut steel pipes fall into the collecting box 5 to be collected, meanwhile, a plurality of groups of spring cylinders 14 are arranged on the first belt 13, when the cutting line 36 moves to the lowest part, the opposite transverse plates 18 are extruded, at the moment, the return springs 16 in the spring cylinders 14 are stressed and compressed to the limit, so that the steel pipes are completely cut by the cutting line 36, in the falling process, the normal stroke of the cutting line 36 is not influenced, arc limiting plates 42 for opening the extrusion plates 19 are arranged on both sides of each cutting part, and after the outer arc surfaces of the arc limiting plates 42 are contacted with the extrusion plates 19, the extrusion plate 19 extrudes the extrusion spring 20, so that the device can move normally, after the cutting part passes, the extrusion plate 19 resets again under the action of the extrusion spring 20, the two sides of the steel pipe are limited, so that the normal operation of the work is ensured, in the descending cutting process of the cutting line 36, the first dovetail groove 28 and the first dovetail block 29 are arranged, the compression spring 50 is arranged in the first dovetail groove 28, in the descending process, the total length of the cutting line 36 is unchanged, so that the compression spring 50 in the first dovetail groove 28 is stressed and compressed, the two sides move towards the middle, so that the normal operation of the work is ensured, the sliding groove 48 is arranged on the insertion plate 47, and the verticality of the insertion plate 47 is ensured by utilizing a plurality of vertical rods 45 and sliding rods 46, like this can not influence the normal use of cutting part, and picture peg 47 still can carry out fine work, arc limiting plate 42 is spacing and fixed through first anchor strut 51 and second anchor strut 52, be provided with second dovetail 43 on the arc limiting plate 42, guarantee the normal operating of device like this, guarantee the device through following spare part and normally carry out cutting work, accomplish the automatic cutting process of continuity, and easy operation is convenient, great improvement work efficiency, when cutting part and the 4 signal of infrared signal transmitter on right side take place alternately, a plurality of electric telescopic handle 32 reset, the motion process of device like this is like the state shown in figure 7, the below cuts, the top resets, thereby guarantee the completion of device work.

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 embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A continuous steel pipe cutting device for building construction comprises a base (1), wherein supporting plates (2) are respectively and fixedly installed on two sides of the top end of the base (1), and installation blocks (3) are symmetrically and fixedly installed on the side wall of one supporting plate (2), and the device is characterized in that; the infrared signal transmitters (4) are fixedly installed on opposite side walls of the two installation blocks (3), the collection box (5) is placed on one side of the top end of the base (1), the fixing rod (6) is fixedly installed on one side of the top end of the base (1), the adjusting sleeve (7) is fixedly installed on the top end of the fixing rod (6), the adjusting rod (9) is connected with the adjusting rod (9) in a sliding mode, the adjusting rod (9) is in a transverse T shape, scales are marked on the adjusting rod (9), the adjusting sleeve (7) is connected with the locking bolt (8) in a threaded mode, two first transmission shafts (11) are arranged between the bottoms of the two support plates (2), a first transmission roller (10) is fixedly sleeved on each first transmission shaft (11), two ends of each first transmission shaft (11) are respectively attached to the opposite side walls of the two support plates (2), two ends of each first transmission shaft (11) extend into the opposite side walls of the two support plates (2) and are rotatably connected with the opposite side walls of the two support plates (2), a first driving motor (12) is fixedly installed on the side wall of one support plate (2), an output end of each first driving motor (12) is connected with one of the first transmission shaft (13), and a plurality of first transmission rollers (13) are uniformly connected with the first transmission roller (13) and a plurality of first transmission roller (13), every group spring case (14) is two, two spring cases (14) in every group are symmetrically arranged, each spring case (14) is internally provided with a limit slider (17) in a sliding manner, each spring case (14) is internally provided with a reset spring (16), one end of each reset spring (16) is fixedly connected with one end of each limit slider (17), the other end of each reset spring (16) is fixedly connected with the inner wall of one side of each spring case (14), the other side of each limit slider (17) is fixedly connected with a sliding rod (15), the other end of each sliding rod (15) penetrates out of the corresponding spring case (14) and is in sliding connection with the corresponding spring case, each group of two pressing plates (19) is obliquely arranged between the sliding rod (15) in the two spring cases (14), the bottom ends of the two adjacent transverse plates (18) are attached to each other, a plurality of groups of pressing plates (19) are symmetrically arranged between the opposite side walls of the two support plates (2), each group of pressing plates (19) is two, each group of pressing plates (19) is obliquely arranged, the bottom end of each pressing plate (19) is fixedly provided with a hinge structure, and the hinge structure is hinged with the hinge plate, and the hinge plate (22) and the hinge plate is arranged on the hinge shaft, the hinge shaft and the hinge structure, the hinge plate is formed by a hinge plate, the hinge plate and the hinge plate structure, the hinge plate is arranged on the hinge plate structure, the hinge plate (22 and the hinge plate structure, the rubber blocks (21) are fixedly mounted on the inclined side walls below the extrusion plates (19), the inclined side walls above the extrusion plates (19) are fixedly connected with extrusion springs (20), the other ends of the extrusion springs (20) are fixedly connected with the side walls of the corresponding support plates (2), two second transmission shafts (23) are arranged between the tops of the two support plates (2), each second transmission shaft (23) is fixedly sleeved with a second transmission roller (24), the two ends of each second transmission roller (24) are respectively attached to the opposite side walls of the two support plates (2), the two ends of each second transmission shaft (23) extend into the opposite side walls of the two support plates (2) and are rotatably connected with the opposite side walls, a second driving motor (27) is fixedly mounted on the side wall of one of the support plates (2), the output end of each second driving motor (27) is fixedly connected with one end of one of the second transmission shaft (23), a second belt (25) is commonly sleeved on the two second transmission rollers (24), a plurality of mounting plates (26) are fixedly mounted on the outer surfaces of the second support plates (25), a plurality of mounting plates (26) are uniformly mounted on the outer surfaces of the belts (54), reinforcing plates (54), and reinforcing plates (54) are arranged between the second belt (25) and are fixedly connected with the inner bottom ends of the second transmission plates (25), the top end of each rubber mounting plate (26) is provided with a support (44) in a laminating manner, each support (44) is connected with a positioning pin (37) in a threaded manner, each support (44) is fixedly connected with the corresponding rubber mounting plate (26) through the positioning pin (37), the top end of each support (44) is provided with two first dovetail grooves (28), two first dovetail blocks (29) are connected in each first dovetail groove (28) in a sliding manner, a compression spring (50) is arranged in each first dovetail groove (28), two ends of each compression spring (50) are respectively fixedly connected with opposite side walls of the two corresponding first dovetail blocks (29), the top end of each first dovetail block (29) is fixedly connected with a first connecting block (30), the two first dovetail blocks (29) symmetrically arranged in the two first dovetail grooves (28) form a group, a first rotating shaft (35) is arranged between the two first connecting blocks (30), a driving wheel (34) is fixedly connected on each first rotating shaft (35), two ends of each first rotating shaft (35) extend into two opposite side walls of the first dovetail blocks (30) which are respectively connected with an output end of a motor (33), and a motor (33) is fixedly connected with one end of each group, the top end of each first connecting block (30) is fixedly connected with an electric telescopic rod (32), the top end of each electric telescopic rod (32) is fixedly connected with a second connecting block (31), a second rotating shaft (38) is arranged between the two second connecting blocks (31) in each group, a driven wheel (39) is fixedly sleeved on each second rotating shaft (38), the two ends of each second rotating shaft (38) respectively extend into the opposite side walls of the two second connecting blocks (31) in each group and are rotatably connected with the opposite side walls, a first fixing plate (40) is fixedly connected between each second connecting block (31), a second fixing plate (41) is fixedly connected between each first connecting block (30), a second reinforcing rod (52) is fixedly connected on the side wall of each first fixing plate (40), a first reinforcing rod (51) is fixedly connected on the side wall of each second fixing plate (41), an arc-shaped limiting plate (42) is arranged on one side of each first connecting block (30), a second dovetail groove (43) is arranged in the center of the inner arc wall of each arc-shaped limiting plate (42), a dovetail groove (43) is fixedly connected with a dovetail groove (53), one end of each second dovetail groove (53) is connected with the reinforcing rod (52) corresponding to the inner arc-shaped reinforcing rod (53), and the dovetail groove (51) is connected with the corresponding reinforcing rod (52) of each dovetail groove (53), equal fixedly connected with montant (45) in bottom one angle department of every second connecting block (31), be provided with picture peg (47) between four corresponding montants (45), the both sides of every picture peg (47) all are provided with two spout (48), equal sliding connection has two slider (49) in every spout (48), equal two slide bar (46) of fixedly connected with on the outer wall of every montant (45), every slide bar (46) all with corresponding slider (49) one side fixed connection.

2. The continuous steel pipe cutting device for building construction according to claim 1, characterized in that: the infrared signal emitter (4) is electrically connected with an external power supply through a circuit, and each electric telescopic rod (32) is provided with a signal receiver.

3. The continuous steel pipe cutting device for building construction according to claim 1, characterized in that: install the battery box on the surface of second belt (25), cutting motor (33) and electric telescopic handle (32) all pass through circuit and battery electric connection.

4. The continuous steel pipe cutting device for building construction according to claim 1, characterized in that: the first driving motor (12) and the second driving motor (27) are electrically connected with an external power supply through circuits.

5. The continuous steel pipe cutting device for building construction according to claim 1, characterized in that: the thickness of the insert plate (47) is the same as that of the cutting line (36), and the thickness of the cutting line (36) is 0.3-0.5 cm.

6. The continuous steel pipe cutting device for building construction according to claim 1, characterized in that: the reinforcing plate (54) is made of hard alloy materials.

7. The continuous steel pipe cutting device for building construction according to claim 1, characterized in that: the outer surface of the rubber block (21) is smooth, and the cross section of the rubber block is semicircular.