CN215700067U

CN215700067U - 2000T pure electric three-head tractor device

Info

Publication number: CN215700067U
Application number: CN202120142098.XU
Authority: CN
Inventors: 关灿彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2022-02-01
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a 2000T pure electric three-head tractor device which comprises a main support, an auxiliary support, a first traction head, a second traction head, an automatic saw traction head and a cloth bag type aluminum scrap recycling machine, wherein the front part of the main support is fixedly connected with an upper traveling rail and a lower traveling rail, traveling wheel carriers are uniformly arranged on the upper traveling rail and the lower traveling rail, a translation seat is fixed at the upper part of each traveling wheel carrier, the upper part of the translation seat is fixedly connected with one end of a traveling plate frame, an upper main rack and a lower main rack are fixedly arranged in the middle part of the main support, and traveling drivers are matched on the upper main rack and the lower main rack. This pure three head tractor device of 2000T's first traction head and second traction head pass through curved curve clamping jaw and realize pressing the material, effectively prevent to be drawn the aluminium alloy and warp, and first traction head and the scalable and lift of second traction head, and the dislocation of height is alternately drawn about both, controls each servo motor through the electric cabinet, and operation precision and efficient, convenient to use.

Description

2000T pure electric three-head tractor device

Technical Field

The utility model relates to the field of tractors, in particular to a 2000T pure electric three-head tractor device.

Background

Through the development of many years, the tractor has many varieties and types, the tractor mainly structurally comprises a track, a traction head, a traction power device, an automatic interruption saw, an electric control system and the like, but the currently used tractor generally has the following defects:

1. poor guide precision of the track: the installation accuracy is poor due to short section distance and difficult installation and adjustment of various types of rails, so that the swing range of the material clamping position of the traction head is large, and the surface quality of the section is reduced.

2. The weight of the traction head is large: the existing material clamping device is provided with two mechanisms, namely a supporting plate opening and closing mechanism and a pressing claw lifting mechanism, wherein the two mechanisms are respectively controlled by an electrical system in the working process to sequentially act so as to clamp and release the aluminum material; the power of these two mechanisms of drive is diversified, such as hydraulic pressure, pneumatics, electric putter, gear motor etc. these power device all must install in the frame, including the electrical control box of controlling these two mechanisms, make the weight of traction head heavy, because require on the extrusion technology that traction head start-up time is short, return speed is fast, the traction head is heavier just must dispose more powerful traction power device and can reach the start-up requirement, simultaneously when electrical control system trouble, the traction head is to buffer and interrupt saw strong impact, often serious equipment damage appears, the incident appears sometimes even.

3. The failure rate is high: the driving device and the electric control box of the supporting plate opening and closing mechanism and the pressing claw lifting mechanism are all installed on a traction head which runs at a high speed, and due to vibration and impact in the running process, the driving device, the inductive switch, electric elements in the box and the like are prone to failure.

4. Large traction power and energy consumption: the weight of the traction head is large, so that the traction power which needs to be configured is large, and the energy consumption is correspondingly increased.

5. Poor safety: the traction head is provided with a plurality of mechanisms, so that the traction head has large volume and protrudes out of the track, the safety management is difficult due to the danger of high-speed operation of the traction head, and safety accidents are easy to occur.

In summary, the current tractors cannot meet the requirements of enterprises from the aspects of accuracy, structure, failure rate, traction power and safety, and therefore, the improvement of the tractors has become an effort for people in the industry.

Disclosure of Invention

The utility model aims to provide a 2000T pure electric three-head tractor device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: A2000T pure electric three-head tractor device comprises a main support, an auxiliary support, a first traction head, a second traction head, an automatic saw traction head and a cloth bag type aluminum scrap recycling machine, wherein the front part of the main support is fixedly connected with an upward traveling rail and a downward traveling rail, traveling wheel carriers are uniformly arranged on the upward traveling rail and the downward traveling rail, the upper part of each traveling wheel carrier is fixedly provided with a translation seat, the upper part of each translation seat is fixedly connected with one end of a traveling plate frame, the middle part of the main support is fixedly provided with an upper main rack and a lower main rack, traveling drivers are respectively matched on the upper main rack and the lower main rack, an auxiliary translation seat is detachably connected on each traveling driver, the auxiliary translation seat is fixedly connected with the other end of the traveling plate frame, a longitudinal sliding seat is arranged on the traveling plate frame in a sliding manner, a portal frame is fixed on the longitudinal sliding seat, and a lifting seat is arranged on the portal frame in a sliding manner, the vertical sliding seat is detachably connected with a vertical sliding driver, the lifting seat is detachably connected with a lifting driver, the lifting seat is also detachably connected with a clamping driver, and the clamping driver is matched with a clamping arc-shaped pressing frame arranged on one side of the lifting seat.

Preferably, the first traction head and the second traction head are composed of the lifting seat and the clamping arc pressing frame, the clamping arc pressing frame is provided with a curved surface, a plurality of grooves are formed in the curved surface, and the clamping arc pressing frame is driven by the clamping driver to rotate.

Preferably, the traveling wheel carrier is rotatably matched with a horizontal axial main guide wheel, a horizontal axial lower guide wheel and a vertical axial side guide wheel, the main guide wheel is in contact with the upper surface of the upper traveling rail or the lower traveling rail, the lower guide wheel is in contact with the lower surface of the upper traveling rail or the lower traveling rail, and the side guide wheel is in contact with the side surface of the upper traveling rail or the lower traveling rail.

Preferably, an auxiliary traveling rail is further installed on the main support, the upper traveling rail and the lower traveling rail are both provided with an auxiliary traveling rail, and the auxiliary traveling rail is adapted to the traveling plate frame.

Preferably, a plurality of auxiliary guide wheels are arranged at one end of the walking plate frame and are matched with the auxiliary walking rails.

Preferably, a plurality of guardrail nets are installed at one side of the main support, and the cloth bag type aluminum scrap recycling machine is arranged at one side of the main support and adjacent to the guardrail nets.

Preferably, a plurality of electric brush seats are installed on the main support, an electric cabinet is installed on one side of the walking plate frame, the electric cabinet is externally connected with an electric brush, the electric brush is matched with the electric brush seats, the walking driver, the longitudinal sliding driver, the lifting driver and the material clamping driver are electrically connected with the electric cabinet, and a programmable logic controller is installed in the electric cabinet.

Preferably, the walking driver, the longitudinal sliding driver, the lifting driver and the material clamping driver all adopt driving structures matched with a servo motor and a gear.

Preferably, the auxiliary support is arranged at one side of the main support, the main support is located between the bag type aluminum scrap recovery machine and the auxiliary support, a chain wheel is installed on the auxiliary support, the automatic saw traction head is also provided with an electric cabinet, a chain joint seat is installed at the lower part of the automatic saw traction head, and the chain joint seat is matched with the chain wheel through a chain.

Preferably, on the walking grillage, on the portal frame and all installed the guide rail on the auxiliary stand, on the walking grillage with all installed the rack on the portal frame, indulge the slide pass through the guide rail with walking grillage sliding fit, the portal frame pass through the guide rail with lift seat sliding fit, the link seat pass through the guide rail with auxiliary stand sliding fit, indulge the gear of smooth driver with rack toothing on the walking grillage, the gear of lift driver with rack toothing on the portal frame.

Compared with the prior art, the utility model has the beneficial effects that: when the 2000T pure electric three-head tractor device is used, an electric cabinet arranged on an automatic saw traction head controls a servo motor matched with the automatic saw traction head to work and drive a chain wheel to rotate, the chain wheel is connected with a chain joint seat below the automatic saw traction head through a chain, so that the automatic saw traction head can move along with the chain after the chain is driven by the chain wheel, the automatic saw traction head can move on a secondary support, the primary support is provided with an upper walking rail and a lower walking rail which are two layers of independent walking rails, the walking rails are made of cold-drawing flat steel, steel materials are selected and structurally solid, the first traction head and the second traction head can stably run, one end of a walking plate frame is connected with a secondary translation seat on a walking driver, when the walking driver works, the gear is meshed with an upper main rack or a lower main rack through the servo motor in the walking driver, and under the driving force action of meshing of the gear and the racks, the walking plate frame connected with the auxiliary translation seat is driven, the walking plate frame can move along the upper main rack or the lower main rack, the auxiliary guide wheels at one end of the walking plate frame are matched with the auxiliary walking rails, the number of the auxiliary guide wheels is four, the upper auxiliary guide wheels and the lower auxiliary guide wheels are respectively in rolling contact with the auxiliary walking rails, a plurality of guide wheels are arranged on a walking wheel frame at the lower part of the other end of the walking plate frame, the main guide wheels directly bear pressure and are in rolling contact with the upper surfaces of the upper walking rails or the lower walking rails, the lower guide wheels are matched with the main guide wheels to play a role of clamping the walking rails, the side guide wheels play a role of keeping stable advancing direction, the transverse moving of the first traction head and the second traction head is completed through the walking plate frame, the longitudinal moving of the first traction head and the second traction head is completed through a longitudinal sliding driver, a gear in the longitudinal sliding driver is driven by a servo motor and matched with a rack on the walking plate frame to enable the longitudinal sliding to perform longitudinal sliding action on the walking plate frame, the longitudinal slide seat is in sliding fit with the traveling plate frame through the guide rail, the longitudinal slide seat is stable in movement due to the design, the lifting seat is driven by the lifting driver to perform lifting action on the portal frame, the lifting seat is also in sliding fit with the portal frame through the guide rail, the lifting action is stable and reliable, the clamping arc-shaped press frame can perform rotating action through the driving of the clamping driver, the clamping arc-shaped press frame is provided with a curved surface, grooves are formed in the curved surface, the aluminum material can be effectively prevented from slipping and pressed tightly, the traction reliability is high, the traveling driver, the longitudinal sliding driver, the lifting driver, the clamping driver and the automatic saw traction head all use a Siemens servo motor, the programmable logic controller in the electric cabinet is used for programming control, the controllability of traction speed and tension is improved, a high-performance vector control mode is adopted, the precision of torque control can reach 0.1%, and speed control is returned, three-stage speed reduction is carried out, the accuracy of a speed reduction position is ensured, an encoder is adopted for acquiring signals for position control, external circuits are reduced, line faults are reduced, the frequency, torque and various project functions are controlled through a programmable logic controller, a fan in a cloth bag type aluminum scrap recycling machine uses a 5.5KW motor, large suction force is ensured, a multi-group cloth bag type structure is adopted, the effect of recycling aluminum scraps can reach more than 98% through double separation, traction force pressure is preset through an electric cabinet during traction action, after circulation starts, a first traction head clamps the aluminum materials at a welding position and is cut by an automatic saw, the aluminum materials are pulled to the tail end of a cooling bed, a second traction head returns to an original point in advance, the aluminum materials are clamped and then cut by the automatic saw, the two traction heads are circularly pulled, zero delay is realized, and if the transmission of the aluminum materials is not completed before the extrusion circulation is finished, the transmission operation is carried out in non-extrusion circulation; first traction head and the second traction head of this device realize pressing the claw through curved curve and press the material, prevent effectively that the aluminium alloy that is drawn from warping, and first traction head and second traction head are scalable and go up and down, and the dislocation of height is pull in turn about both, controls each servo motor through the electric cabinet, and operation accuracy and efficient, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the guardrail net of the utility model after being detached.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic perspective view of fig. 1.

Fig. 5 is an enlarged partial view of the circled portion in fig. 4.

Fig. 6 is a schematic view of the structure of fig. 4 after rotation.

Fig. 7 is an enlarged partial view of the circled portion in fig. 6.

Fig. 8 is a schematic perspective view of the guardrail net of the present invention.

Fig. 9 is a schematic view of the structure of fig. 8 after rotation.

Fig. 10 is a schematic view of the position of the first traction head portion of the present invention.

Fig. 11 is an enlarged partial view of the circled portion in fig. 10.

Fig. 12 is a schematic view of another angular position of the first traction head portion of the present invention.

Fig. 13 is a partially enlarged view of the circled portion in fig. 12.

In the figure: 1. the device comprises a main bracket, 2, a secondary bracket, 3, a first traction head, 4, a second traction head, 5, an automatic saw traction head, 6, a bag type aluminum scrap recycling machine, 7, an upper traveling rail, 8, a lower traveling rail, 9, a traveling wheel carrier, 10, a translation seat, 11, a traveling plate frame, 12, an upper main rack, 13, a lower main rack, 14, a traveling driver, 15, a secondary translation seat, 16, a longitudinal sliding seat, 17, a portal frame, 18, a lifting seat, 19, a longitudinal sliding driver, 20, a lifting driver, 21, a clamping driver, 22, a clamping arc pressing frame, 23, a main guide wheel, 24, a lower guide wheel, 25, a side guide wheel, 26, a secondary traveling rail, 27, a secondary guide wheel, 28, a guard rail net, 29, an electric brush seat, 30, an electric cabinet, 31, an electric brush, 32, a chain wheel, 33, a chain joint seat, 34, a guide rail, 35 and a rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, the present invention provides a technical solution: A2000T pure electric three-head tractor device comprises a main support 1, an auxiliary support 2, a first traction head 3, a second traction head 4, an automatic saw traction head 5 and a bag type aluminum scrap recycling machine 6, wherein the front part of the main support 1 is fixedly connected with an upper traveling rail 7 and a lower traveling rail 8, traveling wheel carriers 9 are uniformly arranged on the upper traveling rail 7 and the lower traveling rail 8, a translation seat 10 is fixed on the upper portion of each traveling wheel carrier 9, the upper portion of each translation seat 10 is fixedly connected with one end of a traveling plate frame 11, an upper main rack 12 and a lower main rack 13 are fixedly arranged in the middle of the main support 1, traveling drivers 14 are respectively matched on the upper main rack 12 and the lower main rack 13, an auxiliary translation seat 15 is detachably connected on each traveling driver 14, the auxiliary translation seat 15 is fixedly connected with the other end of the traveling plate frame 11, a longitudinal sliding seat 16 is arranged on the traveling plate frame 11 in a sliding manner, indulge and be fixed with portal frame 17 on the slide 16, it is provided with lift seat 18 to slide on the portal frame 17, indulge and to dismantle on the slide 16 and be connected with and indulge smooth driver 19, can dismantle on the lift seat 18 and be connected with lift driver 20, still can dismantle on the lift seat 18 and be connected with and press from both sides material driver 21, press from both sides material driver 21 with the material clamping arc pressure frame 22 adaptation that lift seat 18 one side was installed, first traction head 3 and second traction head 4 by lift seat 18 with press from both sides material arc pressure frame 22 and constitute, the last running wheel carrier 9 go up running fit has horizontal axial leading wheel 23 and horizontal axial lower guide pulley 24 and vertical axial side guide pulley 25, leading wheel 23 with go up running rail 7 or the upper surface contact of lower running rail 8, lower guide pulley 24 with go up running rail 7 or the lower surface contact of lower running rail 8, the side guide wheel 25 with go up the rail 7 or the side surface contact of lower rail 8, supplementary walking rail 26 has still been installed on the main support 1, go up the rail 7 with lower rail 8 all is equipped with a supplementary walking rail 26, supplementary walking rail 26 with walking grillage 11 adaptation, a plurality of supplementary guide pulleys 27 have been installed to the one end of walking grillage 11, supplementary guide pulley 27 with supplementary walking rail 26 adaptation, a plurality of guardrail nets 28 have been installed to main support 1 one side position, pocket type aluminium bits reclaimer 6 arranges one side of main support 1 and with guardrail net 28 is adjacent, a plurality of brush holders 29 have been installed on the main support 1, electric cabinet 30 has been installed to one side of walking grillage 11, electric cabinet 30 is external to have brush 31, brush 31 with brush holder 29 adaptation, walking driver 14, The longitudinal sliding driver 19, the lifting driver 20, the clamping driver 21 are all electrically connected with the electric cabinet 30, the walking driver 14, the longitudinal sliding driver 19, the lifting driver 20, the clamping driver 21 all adopt a driving structure of a servo motor and a gear fit, the secondary support 2 is arranged at one side position of the main support 1, the main support 1 is positioned between the bag type aluminum scrap recycling machine 6 and the secondary support 2, a chain wheel 32 is arranged on the secondary support 2, the automatic saw traction head 5 is also provided with the electric cabinet, a chain joint seat 33 is arranged at the lower part of the automatic saw traction head 5, the chain joint seat 33 is matched with the chain wheel 32 through a chain, guide rails 34 are arranged on the walking plate frame 11, the portal frame 17 and the secondary support 2, racks 35 are arranged on the walking plate frame 11 and the portal frame 17, indulge slide 16 through guide rail 34 with walking grillage 11 sliding fit, portal frame 17 through guide rail 34 with lift seat 18 sliding fit, link seat 33 through the guide rail with subframe 2 sliding fit, indulge smooth driver 19 the gear with rack 35 on the walking grillage 11 meshes, lift driver 20 the gear with rack toothing on the portal frame 17.

The working principle is as follows: when the 2000T pure electric three-head tractor device is used, the electric cabinet arranged on the automatic saw traction head 5 controls a servo motor matched with the automatic saw traction head 5 to work and drive the chain wheel 32 to rotate, the chain wheel 32 is connected with the chain joint seat 33 below the automatic saw traction head 5 through a chain, so that after the chain is driven by the chain wheel 32, the automatic saw traction head 5 moves along with the chain, and thus the automatic saw traction head 5 moves on the auxiliary bracket 2, the main bracket 1 is provided with two layers of independent traveling rails of an upper traveling rail 7 and a lower traveling rail 8, the traveling rails are made of cold-drawn flat steel, the steel material selecting structure is solid, the first traction head 3 and the second traction head 4 are ensured to stably operate, one end of the traveling plate frame 11 is connected with the auxiliary translation seat 15 on the traveling driver 14, and when the traveling driver 14 works, the gear is driven by the servo motor in the traveling driver 14, the gear is engaged with the upper main rack 12 or the lower main rack 13, the walking board frame 11 connected with the auxiliary translational seat 15 is driven under the action of the driving force of the gear and the rack engagement, the walking board frame 11 can move along the upper main rack 12 or the lower main rack 13, the auxiliary guide wheel 27 at one end of the walking board frame 11 is matched with the auxiliary walking rail 26, the number of the auxiliary guide wheels 27 is four, the upper auxiliary guide wheel 27 and the lower auxiliary guide wheel 27 are in rolling contact with the auxiliary walking rail 26, a plurality of guide wheels are arranged on the walking wheel frame 9 at the lower part of the other end of the walking board frame 11, wherein the main guide wheel 23 is in direct rolling contact with the upper surface of the upper walking rail 7 or the lower walking rail 8, the lower guide wheel 24 is matched with the main guide wheel 23 to play a role of clamping the walking rail, the side guide wheel 25 plays a role of keeping the stable advancing direction, the transverse movement of the first traction head 3 and the second traction head 4 is completed through the walking board frame 11, the longitudinal movement of the first traction head 3 and the second traction head 4 is completed through a longitudinal sliding driver 19, a gear in the longitudinal sliding driver 19 is driven by a servo motor to be matched with a rack on the traveling plate frame 11, so that longitudinal sliding motion of the longitudinal sliding seat 16 occurs on the traveling plate frame 11, the longitudinal sliding seat 16 is also in sliding fit with the traveling plate frame 11 through a guide rail 34, the design ensures that the longitudinal sliding seat 16 moves stably, the lifting seat 18 is driven by a lifting driver 20 to perform lifting motion on the portal frame 17, the lifting seat 18 is also in sliding fit with the portal frame 17 through the guide rail 34, the lifting motion is stable and reliable, the clamping arc pressing frame 22 is driven by a clamping driver 21 to perform rotating motion, the clamping arc pressing frame 22 has a curved surface, grooves are formed in the curved surface, the clamping arc pressing frame can effectively prevent skid and press aluminum materials, the traction reliability is high, and the traveling driver 14, the longitudinal sliding driver 19, the lifting driver 20, The material clamping driver 21 and the automatic saw traction head 5 both use Siemens servo motors, the programmable logic controller in the electric cabinet 30 is used for programming control, the controllability of traction speed and tension is improved, a high-performance vector control mode is adopted, the precision of torque control can reach 0.1%, speed control is adopted in a returning mode, three-section speed reduction is adopted to ensure the accuracy of the speed reduction position, an encoder is adopted for position control to acquire signals, external circuits are reduced, circuit faults are reduced, the programmable logic controller is used for controlling frequency, torque and various project functions, a fan in the bag type aluminum scrap recycling machine 6 uses a 5.5KW motor to ensure large suction, a plurality of groups of bag type structures are adopted, the effect of recycling aluminum scraps can reach more than 98% through double separation, the traction pressure is preset through the electric cabinet 30 during traction, after circulation begins, the first traction head 3 clamps aluminum materials at a welding position and is cut by an automatic saw, and (3) dragging the aluminum material to the tail end of the cooling bed, returning the second traction head 4 to the original point in advance, clamping the aluminum material, cutting the aluminum material by an automatic saw, circularly dragging the aluminum material and the automatic saw to realize zero delay, and if the transmission of the aluminum material is not finished before the extrusion cycle is finished, executing the transmission operation in a non-extrusion cycle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a three tractor device of pure electricity of 2000T, includes main support (1), auxiliary stand (2), first traction head (3), second traction head (4), automatic saw traction head (5) and sack formula aluminium bits recovery machine (6), its characterized in that: the front part of the main support (1) is fixedly connected with an upward traveling rail (7) and a downward traveling rail (8), the upward traveling rail (7) and the downward traveling rail (8) are uniformly provided with traveling wheel carriers (9), the upper part of each traveling wheel carrier (9) is fixed with a translation seat (10), the upper part of each translation seat (10) is fixedly connected with one end of a traveling grillage (11), the middle part of the main support (1) is fixedly provided with an upper main rack (12) and a lower main rack (13), the upper main rack (12) and the lower main rack (13) are both matched with a traveling driver (14), the traveling driver (14) is detachably connected with an auxiliary translation seat (15), the auxiliary translation seat (15) is fixedly connected with the other end of the traveling grillage (11), the traveling grillage (11) is provided with a longitudinal sliding seat (16) in a sliding manner, and a portal frame (17) is fixed on the longitudinal sliding seat (16), the gantry crane is characterized in that a lifting seat (18) is arranged on the gantry crane (17) in a sliding mode, a longitudinal sliding driver (19) is detachably connected to the longitudinal sliding seat (16), a lifting driver (20) is detachably connected to the lifting seat (18), a clamping driver (21) is detachably connected to the lifting seat (18), and the clamping driver (21) is matched with a clamping arc-shaped pressing frame (22) installed on one side of the lifting seat (18).

2. The 2000T pure electric three-head tractor device according to claim 1, wherein: the first traction head (3) and the second traction head (4) are both composed of the lifting seat (18) and the clamping arc-shaped pressing frame (22).

3. The 2000T pure electric three-head tractor device according to claim 1, wherein: the last normal running fit of walking wheel carrier (9) has horizontal axial leading wheel (23) and horizontal axial lower guide pulley (24) and perpendicular axial side guide pulley (25), leading wheel (23) with go up walking rail (7) or the upper surface contact of walking rail (8) down, lower guide pulley (24) with go up walking rail (7) or the lower surface contact of walking rail (8) down, side guide pulley (25) with go up walking rail (7) or the side surface contact of walking rail (8) down.

4. The 2000T pure electric three-head tractor device according to claim 1, wherein: an auxiliary walking rail (26) is further installed on the main support (1), the upper walking rail (7) and the lower walking rail (8) are both provided with the auxiliary walking rail (26), and the auxiliary walking rail (26) is matched with the walking plate frame (11).

5. The 2000T pure electric three-head tractor device according to claim 4, wherein: a plurality of auxiliary guide wheels (27) are installed at one end of the walking plate frame (11), and the auxiliary guide wheels (27) are matched with the auxiliary walking rails (26).

6. The 2000T pure electric three-head tractor device according to claim 1, wherein: a plurality of guardrail nets (28) are installed at one side of the main support (1), and the cloth bag type aluminum scrap recycling machine (6) is arranged at one side of the main support (1) and is adjacent to the guardrail nets (28).

7. The 2000T pure electric three-head tractor device according to claim 1, wherein: install a plurality of brush seats (29) on main support (1), electric cabinet (30) have been installed to one side of walking grillage (11), electric cabinet (30) are external to have brush (31), brush (31) with brush seat (29) adaptation, walking driver (14) indulge smooth driver (19) lift driver (20) press from both sides material driver (21) all with electric cabinet (30) electricity is connected.

8. The 2000T pure electric three-head tractor device according to claim 1, wherein: the walking driver (14), the longitudinal sliding driver (19), the lifting driver (20) and the material clamping driver (21) are all of driving structures matched by a servo motor and a gear.

9. The 2000T pure electric three-head tractor device according to claim 1, wherein: the auxiliary support (2) is arranged at one side of the main support (1), the main support (1) is located the bag type aluminum scrap recovery machine (6) and between the auxiliary support (2), a chain wheel (32) is installed on the auxiliary support (2), the automatic saw traction head (5) is also provided with an electric cabinet, a chain joint seat (33) is installed on the lower portion of the automatic saw traction head (5), and the chain joint seat (33) is matched with the chain wheel (32) through a chain.

10. A 2000T pure electric three-head tractor device according to claim 9, wherein: on walking grillage (11), on portal frame (17) and all installed guide rail (34) on auxiliary support (2), walking grillage (11) go up with rack (35) have all been installed on portal frame (17), indulge slide (16) through guide rail (34) with walking grillage (11) sliding fit, portal frame (17) through guide rail (34) with lift seat (18) sliding fit, link seat (33) through the guide rail with auxiliary support (2) sliding fit, indulge the gear of smooth driver (19) with rack (35) meshing on walking grillage (11), the gear of lift driver (20) with rack toothing on portal frame (17).