CN112224127A

CN112224127A - Steel coil fixing device for semitrailer

Info

Publication number: CN112224127A
Application number: CN202011265784.2A
Authority: CN
Inventors: 强巍
Original assignee: Hebei Fuhua Special Purpose Vehicle Manufacturing Co ltd
Current assignee: Hebei Fuhua Special Purpose Vehicle Manufacturing Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-01-15
Anticipated expiration: 2040-11-13
Also published as: CN112224127B

Abstract

The invention discloses a steel coil fixing device for a semitrailer, which comprises a bottom plate, wherein two bases are arranged on the bottom plate, a steel coil is arranged on the two bases, and transverse moving mechanisms are arranged on two sides of each base; the transverse moving plate of the transverse moving mechanism is provided with a plurality of bidirectional pressing mechanisms, one of the bidirectional pressing mechanisms is also provided with a positioning switching mechanism, and the transverse moving mechanism further comprises a driving transmission mechanism, an air compression reset mechanism and a linkage transmission mechanism. The invention outputs power by driving the transmission mechanism, the transverse moving mechanism drives the axial pressing plate to automatically clamp the steel coil, the positioning switching mechanism automatically switches the power to the bidirectional pressing mechanism, so that the L-shaped radial pressing rod radially presses the steel coil from the steel coil, when the steel coil is unloaded, only the transmission mechanism is driven to output reverse power, the air compression resetting mechanism compresses air, the power is provided to assist the bidirectional pressing mechanism to reset, the power is switched to the transverse moving mechanism again, and further the transverse moving mechanism is reset, the whole process is automatic, the steel coil can be conveniently loaded and unloaded, the loading and unloading are rapid, and the stability is strong.

Description

Steel coil fixing device for semitrailer

Technical Field

The invention relates to the technical field of steel coil transportation, in particular to a steel coil fixing device for a semitrailer.

Background

The steel coil is also called coil steel. The steel is hot pressed and cold pressed into roll shape. For convenience of storage and transportation, various processes such as processing into steel plates, steel strips, etc. are conveniently performed.

In stainless steel production and reproduction trade, often need the delivery coil of strip, the coil of strip all is placed and is transported in the carriage usually, because the coil of strip is cylindric and quality is heavy, in order to guarantee the security of transportation, it is very necessary to carry out stable fixed to the coil of strip.

The coil of strip fixing device generally all includes the mount, be equipped with the supporting seat that can supply the coil of strip to support and lean on the mount, when the coil of strip was placed on the mount, the both sides of coil of strip supported respectively and supported and form fixedly on the supporting seat, the rethread bandage is bound the coil of strip on the mount, the fixed of this kind of mode, coil of strip and supporting seat, the area of contact of bandage is little, poor stability, and when the coil of strip was fixed to the bandage, it is firm to have to bind, the bandage operation is got up very inconveniently, the tight process of binding up consumes time long, it.

Disclosure of Invention

The invention aims to solve the problems and designs a steel coil fixing device for a semitrailer.

The technical scheme of the invention is that the steel coil fixing device for the semitrailer comprises a bottom plate, wherein two bases are arranged on the bottom plate, an inwards concave space for placing a steel coil is formed between the two bases, the steel coil is arranged on the two bases, the bases comprise supporting plates fixed in cavities at the inner sides of the bases, and both sides of the bases are provided with transverse moving mechanisms;

the transverse moving mechanism comprises a transverse moving plate and a first slide rail fixed on the bottom plate, a nut slide seat is arranged in the first slide rail in a sliding mode, two second slide rails arranged in parallel with the first slide rail are further fixed on the bottom plate, a first slide block is arranged in the second slide rail in a sliding mode, the transverse moving plate is fixed on the first slide block and the nut slide seat, a first screw rod is arranged on the base and is in threaded connection with the nut slide seat, and a first transverse moving transmission belt pulley is arranged on the first screw rod;

the steel coil transverse moving mechanism comprises a transverse moving plate, a plurality of transverse moving plates and a plurality of lifting nut seats, wherein the transverse moving plate is provided with a plurality of bidirectional pressing mechanisms, each bidirectional pressing mechanism comprises a first shell and an axial pressing plate, the first shell is fixed on the end face, facing the steel coil, of the transverse moving plate, the axial pressing plate used for axially pressing the steel coil from the steel coil is fixed on the end face, facing the steel coil, of the first shell, a second screw and a first sliding rod are installed in the first shell, one end of the second screw is installed in the first shell, the other end of the second screw extends out of the first shell, a first bevel gear is installed at the other end of the second screw, the first sliding rod is fixedly installed in the first shell and is arranged in parallel to the second screw, lifting nut seats are installed on the second screw and the first sliding rod; the second rotating shafts of the two-way pressing mechanisms are in transmission connection through a linkage transmission mechanism;

one of the two-way pressing mechanisms on the transverse moving plate is also provided with a positioning switching mechanism, the positioning switching mechanism comprises a second lifting transmission belt pulley arranged on the second rotating shaft and a first piston sleeve arranged between the first shell and the axial pressing plate, a sealing ring is fixed in the first piston sleeve, a first piston rod is arranged in the sealing ring in a sliding and sealing manner, an air inlet is formed in one side, located above the sealing ring, of the first piston sleeve, a first piston block is arranged in the first piston sleeve in a sliding and sealing manner and located above the sealing ring, the upper end of the first piston rod is connected with the first piston block, the lower end of the first piston rod is provided with a lifting block, the other end of the first piston block is provided with a first pressure spring, the other end of the first pressure spring is abutted against the inner wall of the upper end of the first piston sleeve, a first installation groove is formed in the lifting block, a spring plunger is arranged in the, the lower end of the lifting block extends out of the first piston sleeve and is provided with a U-shaped wheel carrier, the U-shaped wheel carrier is slidably clamped between the first shell and the axial pressing plate, the U-shaped wheel carrier is provided with a first rotating shaft, the first rotating shaft is provided with a lower rubber pressing friction wheel and a first lifting transmission belt wheel, and the first lifting transmission belt wheel is connected with the second lifting transmission belt wheel in a tensioning transmission manner through a first elastic transmission belt; inlay on the axial clamp plate and be equipped with the stop collar, stop collar and the coaxial setting of joint mouth, slidable mounting has the third slider in the stop collar, alternate in the stop collar be used for with spring plunger complex ejector pin, the ejector pin pass the third slider and rather than fixed connection, ejector pin one end is passed the stop collar and is extended to the joint mouth, the cover is equipped with the second pressure spring on the ejector pin just being located the third slider towards the pole section of joint mouth, second pressure spring both ends are respectively in third slider and stop collar butt, the ejector pin other end extends the stop collar and is used for so that spring plunger and joint mouth separation with the coil of strip butt cooperation.

Preferably, the device also comprises a driving transmission mechanism, the driving transmission mechanism comprises a driving motor arranged on the bottom plate, a driving belt pulley is arranged on the driving motor, a transmission shaft is arranged on the supporting plate, driving rubber friction wheels are arranged at two ends of the transmission shaft, a driven belt pulley is arranged in the middle of the transmission shaft, the driving belt pulley is connected with the driven belt pulley in a tensioning transmission manner through a first transmission belt, a third rotating shaft is arranged on the base, a second transverse transmission belt pulley and an upper-layer transmission rubber friction wheel are arranged on the third rotating shaft, the second transverse transmission belt pulley is connected with the first transverse transmission belt pulley in a tensioning transmission manner through a second transmission belt, two guide plates are further fixed on the bottom plate, a through arc-shaped chute is arranged on each guide plate, the circle center of the arc-shaped chute is positioned on the axis of the transmission shaft, and an, still install the arc pressure spring in the arc spout, arc pressure spring upper end is connected with the arc slider lower extreme, arc pressure spring lower extreme is connected bottom the arc spout, the arc slider internal rotation is installed and is cut a pivot, cut a pivot both ends and install respectively and cut a rubber friction pulley and cut a rubber friction roller, it is connected with drive rubber friction pulley friction drive to cut a rubber friction pulley, it still installs lower floor's transmission rubber friction pulley in the pivot to cut, lower floor's transmission rubber friction pulley is used for cooperating with upper transmission rubber friction pulley friction drive, it cuts a rubber friction roller so that lower floor's transmission rubber friction pulley is used for separating with upper transmission rubber friction pulley to push down.

Preferably, the steel coil positioning device further comprises an air compression resetting mechanism corresponding to the positioning switching mechanism, the air compression resetting mechanism comprises a second piston sleeve, the second piston sleeve is fixed on the end face of the transverse moving plate, which is opposite to the steel coil, an upper layer piston and a lower layer piston are arranged in the second piston sleeve in a sliding and sealing manner, an air flow channel is arranged inside the lower layer piston, the upper layer piston and the lower layer piston are fixedly connected through a hollow steel pipe, the upper end of the hollow steel pipe extends to the upper end of the upper layer piston, the hollow steel pipe is communicated with the air flow channel, one side of the upper end of the second piston sleeve is provided with a one-way vent, a one-way valve is arranged at the one-way vent, a connecting frame is fixed at the upper end of the upper layer piston, a second piston rod is fixed at the upper end of the connecting frame, the second piston rod extends out of the second piston sleeve, the second piston sleeve is connected with the second, the second piston sleeve is provided with an exhaust port matched with the airflow channel, and the airflow channel is communicated with the exhaust port when the lower-layer piston rises to the highest position; the air outlet is communicated with the air inlet through a connecting pipe passing through the lifting port.

Preferably, the linkage transmission mechanism comprises a linkage transmission belt and a linkage transmission belt wheel arranged on the second rotating shaft, a guide belt wheel is arranged on the base, and the linkage transmission belt is in transmission connection with the linkage transmission belt wheels and the guide belt wheel.

The invention has the beneficial effects that: the driving mechanism is used for outputting power, the steel coil is placed on the base, the transverse moving mechanism synchronously acts to drive the axial pressing plates on two sides of the base to move axially along the steel coil to automatically clamp the steel coil, and the positioning and switching mechanism automatically switches the power of the transverse moving mechanism to the bidirectional pressing mechanism after the axial pressing plates are in place, so that the L-shaped radial pressing rod radially presses the steel coil from the steel coil, and the steel coil is simple and quick in fixing operation and strong in stability; when the steel coil is unloaded, the transmission mechanism is only required to be driven to output reverse power, the air pressure reset mechanism compresses air, the power is provided to assist the bidirectional pressing mechanism to reset, the power is switched to the transverse moving mechanism again, and then the transverse moving mechanism is reset, and the whole process is automatic, and the steel coil can be conveniently loaded and unloaded.

Drawings

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

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic view of the FIG. 3 view with the traverse of the plate omitted;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 6 is a partial schematic view showing another state of the present invention (the state where the bidirectional pressing mechanism presses the steel coil);

FIG. 7 is a partial schematic view showing the first configuration of the driving transmission mechanism in the state of FIG. 1 (the state where the rubber friction wheel is pressed down but the rubber friction roller is not pressed down);

FIG. 8 is a second partial schematic view of the drive transmission mechanism in the state of FIG. 6 (the state of pressing down the rubber friction wheel and cutting down the rubber friction roller);

FIG. 9 is a partial schematic view of the drive transmission;

in the figure, 1, a bottom plate; 2. a base; 21. a support plate; 3. a steel coil; 4. a traversing mechanism; 401. transversely moving the plate; 402. a first slide rail; 403. a nut slide; 404. a second slide rail; 405. a first slider; 406. a first screw; 407. a first traverse driving pulley; 5. a bidirectional pressing mechanism; 501. a first housing; 502. an axial pressure plate; 503. a second screw; 504. a first slide bar; 505. a first bevel gear; 506. a lifting nut seat; 507. an L-shaped radial compression bar; 508. a second rotating shaft; 509. a linkage driving belt wheel; 510. a second bevel gear; 6. a linkage transmission mechanism; 601. a linkage drive belt; 602. a linkage driving belt wheel; 603. a guide pulley; 7. a positioning switching mechanism; 701. a second lifting transmission belt pulley; 702. a first piston sleeve; 703. a seal ring; 704. a first piston rod; 705. an air inlet; 706. a first piston block; 707. a lifting block; 708. a first pressure spring; 709. a first mounting groove; 710. a spring plunger; 711. a card interface; 712. a U-shaped wheel carrier; 713. a first rotating shaft; 714. pressing down the rubber friction wheel; 715. a first lifting transmission belt pulley; 716. a first elastic drive belt; 717. a limiting sleeve; 718. a third slider; 719. a top rod; 720. a second pressure spring; 8. a drive transmission mechanism; 801. a drive motor; 802. a drive pulley; 803. a drive shaft; 804. a driving rubber friction wheel; 805. a driven pulley; 806. a first drive belt; 807. a third rotating shaft; 808. a second traverse driving pulley; 809. an upper layer transmission rubber friction wheel; 810. a second drive belt; 811. a guide plate; 812. an arc-shaped chute; 813. an arc-shaped sliding block; 814. an arc-shaped pressure spring; 815. a cutting rotating shaft; 816. cutting a rubber friction wheel; 817. cutting a rubber friction roller; 818. the lower layer is a transmission rubber friction wheel; 9. a pneumatic reset mechanism; 901. a second piston sleeve; 902. an upper piston; 903. a lower piston; 904. an air flow channel; 905. a hollow steel pipe; 906. a one-way vent; 907. a one-way valve; 908. a connecting frame; 909. a second piston rod; 910. a lifting port; 911. a Z-shaped bar; 912. an exhaust port; 913. and (4) connecting the pipes.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-9: a steel coil fixing device used on a semitrailer comprises a base plate 1, wherein two bases 2 are installed on the base plate 1, an inward concave space for placing a steel coil 3 is formed between the two bases 2, the steel coil 3 is arranged on the two bases 2, the bases 2 comprise supporting plates 21 fixed in cavities on the inner sides of the bases, cavities are formed in the inner sides of the bases 2 so as to facilitate installation of driving transmission mechanisms, the supporting plates 21 are arranged to improve the stability of the bases 2 and ensure the supporting strength of the bases 2, and transverse moving mechanisms 4 are arranged on two sides of each base 2;

as shown in fig. 1 and 3, the traverse mechanism 4 includes a traverse plate 401 and a first slide rail 402 fixed on the base plate 1, a nut slide carriage 403 is slidably installed in the first slide rail 402, two second slide rails 404 arranged in parallel with the first slide rail 402 are also fixed on the base plate 1, a first slide block 405 is slidably installed in the second slide rail 404, the traverse plate 401 is fixed on the first slide block 405 and the nut slide carriage 403, a first screw 406 is installed on the base 2, the first screw 406 is in threaded connection with the nut slide carriage 403, and a first traverse transmission pulley 407 is installed on the first screw 406;

as shown in fig. 1-2, a plurality of bidirectional pressing mechanisms 5 are mounted on a traverse plate 401, each bidirectional pressing mechanism 5 includes a first housing 501 and an axial pressing plate 502, the first housing 501 is fixed on an end surface of the traverse plate 401 facing a steel coil 3, the axial pressing plate 502 for axially pressing the steel coil 3 from the steel coil 3 is fixed on an end surface of the first housing 501 facing the steel coil 3, a second screw 503 and a first slide rod 504 are mounted in the first housing 501, one end of the second screw 503 is mounted in the first housing 501, the other end of the second screw extends out of the first housing 501 and is mounted with a first bevel gear 505, the first slide rod 504 is fixedly mounted in the first housing 501 and is parallel to the second screw 503, a lifting nut seat 506 is mounted on the second screw 503 and the first slide rod 504, an L-shaped radial pressing rod 507 is fixed on the lifting nut seat 506, a second rotating shaft 508 is mounted on the traverse plate 401, the second rotating shaft 508 is mounted on the traverse, the bottom of the first shell 501 is provided with an extension part extending downwards to a second rotating shaft 508, the second rotating shaft 508 is mounted on the extension part through another bearing, so that the mounting stability of the second rotating shaft 508 is improved, the second rotating shaft 508 is provided with a second bevel gear 510, and the second bevel gear 510 is in meshing connection with the first bevel gear 505; the second rotating shafts 508 of the two-way pressing mechanisms 5 are in transmission connection through a linkage transmission mechanism 6;

as shown in fig. 1-2, a positioning switching mechanism 7 is further installed on one of the two-way pressing mechanisms 5 on the traverse plate 401, the positioning switching mechanism 7 includes a second lifting transmission pulley 701 installed on the second rotating shaft 508 and a first piston sleeve 702 installed between the first housing 501 and the axial pressing plate 502, a sealing ring 703 is fixed in the first piston sleeve 702, a first piston rod 704 is installed in the sealing ring 703 in a sliding and sealing manner, an air inlet 705 is opened on one side of the first piston sleeve 702 above the sealing ring 703, a first piston block 706 is installed in the first piston sleeve 702 in a sliding and sealing manner above the sealing ring 703, the upper end of the first piston rod 704 is connected with the first piston block 706, a lifting block 707 is installed at the lower end of the first piston rod 704, a first pressure spring 708 is installed at the other end of the first piston block 706, the other end of the first pressure spring 708 abuts against the inner wall of the, a first mounting groove 709 is formed in the lifting block 707, a spring plunger 710 is mounted in the first mounting groove 709, a clamping opening 711 clamped and matched with the spring plunger 710 is formed in the first piston sleeve 702, the lower end of the lifting block 707 extends out of the first piston sleeve 702 and is provided with a U-shaped wheel frame 712, the U-shaped wheel frame 712 is clamped and mounted between the first shell 501 and the axial pressing plate 502 in a sliding manner, a first rotating shaft 713 is mounted on the U-shaped wheel frame 712, a lower rubber pressing friction wheel 714 and a first lifting transmission belt pulley 715 are mounted on the first rotating shaft 713, and the first lifting transmission belt pulley 715 and the second lifting transmission belt pulley 701 are in tensioning transmission connection through a first elastic transmission belt 716; the axial pressure plate 502 is embedded with a limit sleeve 717, the limit sleeve 717 and the clamping interface 711 are coaxially arranged, a third sliding block 718 is arranged in the limit sleeve 717 in a sliding manner, a push rod 719 used for being matched with the spring plunger 710 is inserted in the limit sleeve 717, the push rod 719 penetrates through the third sliding block 718 and is fixedly connected with the third sliding block 718, one end of the push rod 719 penetrates through the limit sleeve 717 and extends to the clamping interface 711, a second pressure spring 720 is sleeved on the push rod 719 and located on a rod section of the third sliding block 718 facing the clamping interface 711, two ends of the second pressure spring 720 are respectively abutted against the third sliding block 718 and the limit sleeve 717, and the other end of the push rod 719 extends out of the limit sleeve 717 and is used for being abutted against and matched with the steel.

In order to provide power for driving the transverse moving mechanism 4 and the bidirectional pressing mechanism 5 to move, a driving transmission mechanism 8 is further provided, as shown in fig. 1 and fig. 5-9, the driving transmission mechanism 8 comprises a driving motor 801 mounted on the base plate 1, a driving pulley 802 is mounted on the driving motor 801, a transmission shaft 803 is mounted on the support plate 21, driving rubber friction wheels 804 are mounted at two ends of the transmission shaft 803, a driven pulley 805 is mounted at the middle part of the transmission shaft 803, the driving pulley 802 and the driven pulley 805 are connected in a tensioning transmission manner through a first transmission belt 806, a third rotating shaft 807 is mounted on the base 2, a second transverse moving transmission pulley 808 and an upper transmission rubber friction wheel 809 are mounted on the third rotating shaft 807, the second transverse moving transmission pulley 808 and the first transverse moving transmission pulley 407 are connected in a tensioning transmission manner through a second transmission belt 810, two guide plates 811 are further fixed on the base plate, the guide plate 811 is provided with a through arc chute 812, the circle center of the arc chute 812 is positioned on the axis of the transmission shaft 803, an arc sliding block 813 sliding along the track of the arc chute 812 is clamped in the arc chute 812 in a sliding manner, an arc pressure spring 814 is further installed in the arc chute 812, the upper end of the arc pressure spring 814 is connected with the lower end of the arc sliding block 813, the lower end of the arc pressure spring 814 is connected with the bottom of the arc chute 812, a cutting rotating shaft 815 is installed in the arc sliding block 813 in a rotating manner, a cutting rubber friction wheel 816 and a cutting rubber friction roller 817 are respectively installed at two ends of the cutting rotating shaft 815, the cutting rubber friction wheel 816 is in friction transmission connection with the driving rubber friction wheel 804, a lower transmission rubber friction wheel 818 is further installed on the cutting rotating shaft 815, the lower transmission rubber friction wheel 818 is in friction transmission fit with an upper transmission rubber friction wheel 809, and a lower pressing rubber friction wheel 714 is used for pressing the cutting rubber friction roller 817 downwards so that.

In order to assist the reset of the two-way pressing mechanism 5, a pneumatic reset mechanism 9 corresponding to the positioning switching mechanism 7 is further provided, as shown in fig. 1-2, the pneumatic reset mechanism 9 includes a second piston sleeve 901, a lower end of the second piston sleeve 901 is open and communicated with the atmosphere, the second piston sleeve 901 is fixed on an end surface of the traverse plate 401 facing away from the steel coil 3, an upper piston 902 and a lower piston 903 are slidably and hermetically installed in the second piston sleeve 901, the upper piston 902 is located above the lower piston 903, an airflow channel 904 is provided in the lower piston 903, the upper piston 902 and the lower piston 903 are fixedly connected through a hollow steel pipe 905, an upper end of the hollow steel pipe 905 extends to an upper end of the upper piston 902, the hollow steel pipe 905 is communicated with the airflow channel 904, one-way vent 906 is provided on one side of an upper end of the second piston sleeve 901, a one-way valve 907 is installed at the one-way vent 906, a second piston rod 909 is fixed at the upper end of the connecting frame 908, the second piston rod 909 is connected with the upper-layer piston 902 by arranging the connecting frame 908, the upper end of the hollow steel pipe 905 is kept open and is positioned at the upper end of the upper-layer piston 902, the upper end of the second piston rod 909 extends out of the second piston sleeve 901, the second piston sleeve 901 is connected with the second piston sleeve 901 in a sliding and sealing manner, the traverse plate 401 is provided with a lifting port 910, the lifting nut seat 506 is connected with the second piston rod 909 through a Z-shaped rod 911 penetrating through the lifting port 910, the lifting nut seat 506 is a lifting nut seat 506 in the bidirectional pressing mechanism 5 connected with the positioning switching mechanism 7, the second piston sleeve 901 is provided with an exhaust port 912 used for being matched with the air flow channel 904, and the air flow channel 904 is communicated with the exhaust port 912 when the lower-layer piston 903 is; the exhaust port 912 and the intake port 705 are connected to each other by a connection pipe 913 passing through the elevating port 910.

In order to realize the synchronous motion of each bidirectional pressing mechanism 5, a linkage transmission mechanism 6 is provided, as shown in fig. 4, the linkage transmission mechanism 6 includes a linkage transmission belt 601 and a linkage transmission belt wheel 602 installed on the second rotating shaft 508, a guide belt wheel 603 is installed on the base 2, and the linkage transmission belt 601 is in transmission connection with each linkage transmission belt wheel 602 and the guide belt wheel 603.

The working principle of the embodiment is as follows: the bottom plate 1 is arranged on the semitrailer, when a steel coil 3 needs to be transported, the steel coil 3 is hung between the two bases 2 through the hoisting device, and the distances between the two ends of the steel coil 3 and the bases 2 are approximately the same, so that the steel coil 3 is more stable;

after the steel coil 3 descends and is supported by the base 2, the driving motor 801 is controlled to work, the driving motor 801 drives, the driving transmission mechanism 8 drives the driven pulley 805, the transmission shaft 803 and the driving rubber friction wheel 804 to rotate in sequence through the first transmission belt 806 by the driving pulley 802, the driving rubber friction wheel 804 drives the cutting rubber friction wheel 816, the cutting rotating shaft 815, the cutting rubber friction roller 817 and the lower transmission rubber friction wheel 818 to rotate, the lower transmission rubber friction wheel 818 drives the upper transmission rubber friction wheel 809, the third rotating shaft 807 and the second traverse transmission belt pulley 808 to rotate, the second traverse transmission belt pulley 808 drives the first traverse transmission belt 407 and the first screw 406 to rotate through the second transmission belt 810, under the guiding action of the first sliding rail 402 and the first sliding block 405, the first screw 406 drives the nut sliding seat 403 to move linearly along the second sliding rail 404, so that the traverse plate 401 approaches to the steel coil 3, because the distance between the steel coil 3 and the traverse plates 401 at two sides is different, a traverse plate 401 is closer to the steel coil 3, the push rod 719 corresponding to the traverse plate 401 closer to the steel coil 3 contacts the steel coil 3 first, when the push rod 719 contacts the steel coil 3, the push rod 719 is pressed into the stop collar 717, the second pressure spring 720 is compressed, the push rod 719 drives the third sliding block 718 to slide towards the clamping port 711 in the stop collar 717, when the axial pressing plate 502 is attached to the end surface of the steel coil 3, the push rod 719 extends into the clamping port 711 and pushes the spring plunger 710 out of the clamping port 711, the spring plunger 710 is not clamped with the clamping port 711 any more, under the action of the elasticity of the first pressure spring 708 and the self-gravity of the lifting block 707, the first piston rod 704, the lifting block 707 and the U-shaped wheel carrier 818 descend, the downward pressing rubber friction wheel 714 contacts with the cutting rubber friction roller 817 and presses the cutting rubber friction roller 817 downward, so that the cutting rubber friction roller 817, the cutting rubber friction roller 815 and the lower transmission rubber, thereby separating the lower transmission rubber friction wheel 818 from the upper transmission rubber friction wheel 809, and the traverse mechanism 4 does not drive the traverse plate 401 to traverse after losing power; the traverse plate 401 of the other traverse mechanism 4 can continue to traverse;

under the pressure action of the lower rubber pressing friction wheel 714, the arc-shaped pressure spring 814 is compressed, the arc-shaped sliding block 813 slides in the arc-shaped sliding groove 812, the circle center of the arc-shaped sliding groove 812 is located on the axis of the transmission shaft 803, so the cutting rubber friction wheel 816 moves along the outer edge of the driving rubber friction wheel 804 and is in friction transmission contact with the driving rubber friction wheel 804 all the time, at this time, the cutting rubber friction roller 817 is in contact with the lower rubber pressing friction wheel 714 and drives the lower rubber pressing friction wheel 714 to rotate, the lower rubber pressing friction wheel 714 drives the first rotating shaft 713 and the first lifting transmission pulley 715 to rotate, the first lifting transmission pulley 715 drives the second lifting transmission pulley 701, the second rotating shaft 508, the linkage transmission pulley 602 and the second bevel gear 510 to rotate through the first elastic transmission belt 716, the linkage transmission pulley 602 drives other linkage transmission pulleys 602 and the guide pulley 603 to rotate through the linkage transmission belt 601, further, the second rotating shafts 508 rotate simultaneously, the second rotating shafts 508 drive the first bevel gears 505 and the second screws 503 to rotate through the second bevel gears 510, the second screws 503 drive the lifting nut seats 506 to descend under the guiding action of the first sliding rods 504, the lifting nut seats 506 drive the L-shaped radial pressing rods 507 to descend, and the L-shaped radial pressing rods 507 press the inner walls of the steel coils 3;

because the lower rubber friction wheels 714 are in friction contact with the cutting rubber friction rollers 817, when one part of the L-shaped radial pressing rods 507 does not press the steel coil 3, and the other part of the L-shaped radial pressing rods 507 presses the steel coil 3, the lower rubber friction wheels 714 corresponding to the L-shaped radial pressing rods 507 pressing the steel coil 3 stop rotating, but the cutting rubber friction rollers 817 are not influenced to rotate to drive the other lower rubber friction wheels 714 to rotate until all the L-shaped radial pressing rods 507 press the steel coil 3 uniformly, and then the driving motor 801 is controlled to stop working;

when the steel coil 3 needs to be dismounted, the driving motor 801 is controlled to rotate reversely, the principle is the same as that of fixing the steel coil 3, firstly, the second screw 503 drives the lifting nut seat 506 to ascend, the lifting nut seat 506 drives the L-shaped radial pressing rod 507 and the Z-shaped rod 911 to ascend, the L-shaped radial pressing rod 507 does not press the inner wall of the steel coil 3 any more, the Z-shaped rod 911 drives the second piston rod 909, the connecting frame 908, the upper piston 902, the hollow steel pipe 905 and the lower piston 903 to ascend, at the moment, the exhaust port 912 is positioned between the upper piston 902 and the lower piston 903, when the upper piston 902 ascends, air between the upper piston 902 and the second piston sleeve 901 is compressed, the check valve 907 at the one-way vent 906 cuts off the passage between the second piston sleeve 901 and the outside atmosphere, a one-way passage for the outside atmosphere to enter the second piston sleeve is formed, when the lower piston 903 ascends to the exhaust port 912, the, air compressed between the upper layer piston 902 and the second piston sleeve 901 sequentially enters the air inlet 705 through the hollow steel pipe 905, the air flow channel 904, the air outlet 912 and the connecting pipe 913, so that the air pressure between the sealing ring 703 and the first piston block 706 in the first piston sleeve 702 is increased, the first piston block 706 is jacked up, the lower rubber friction wheel 714 rises to be separated from the lower cutting rubber friction roller 817, the spring plunger 710 rises to the ejector rod 719, the arc pressure spring 814 pushes the arc slide block 813 to reset under the elastic force of the arc pressure spring 814, the cutting rotating shaft 815 and the lower transmission rubber friction wheel 818 reset together, the lower transmission rubber friction wheel 818 and the upper transmission rubber friction wheel 809 reset in friction transmission contact again, the transverse moving mechanism 4 is driven to transversely move, the bidirectional pressing mechanism 5 is far away from the steel coil 3, and the ejector rod 719 restores to the original position to be far away from the clamping opening 711 under the elastic restoring force of the second pressure spring 720, spring plunger 710 resets and snaps into snap interface 711; and then controlling the driving motor 801 to stop rotating, and lifting the steel coil 3 by using the lifting device.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A steel coil fixing device for a semitrailer comprises a base plate (1), wherein two bases (2) are mounted on the base plate (1), an inward concave space for placing a steel coil (3) is formed between the two bases (2), the steel coil (3) is arranged on the two bases (2), and the semitrailer is characterized in that the bases (2) comprise supporting plates (21) fixed in cavities on the inner sides of the bases, and transverse moving mechanisms (4) are arranged on two sides of each base (2);

the transverse moving mechanism (4) comprises a transverse moving plate (401) and a first sliding rail (402) fixed on the bottom plate (1), a nut sliding seat (403) is arranged in the first sliding rail (402) in a sliding mode, two second sliding rails (404) arranged in parallel with the first sliding rail (402) are further fixed on the bottom plate (1), a first sliding block (405) is arranged in the second sliding rail (404) in a sliding mode, the transverse moving plate (401) is fixed on the first sliding block (405) and the nut sliding seat (403), a first screw (406) is arranged on the base (2), the first screw (406) is in threaded connection with the nut sliding seat (403), and a first transverse moving transmission belt pulley (407) is arranged on the first screw (406);

a plurality of bidirectional pressing mechanisms (5) are installed on the transverse moving plate (401), each bidirectional pressing mechanism (5) comprises a first shell (501) and an axial pressing plate (502), each first shell (501) is fixed on the end face, facing the steel coil (3), of the transverse moving plate (401), each axial pressing plate (502) used for axially pressing the steel coil (3) from the steel coil (3) is fixed on the end face, facing the steel coil (3), of each first shell (501), each first shell (501) is internally provided with a second screw (503) and a first sliding rod (504), one end of each second screw (503) is installed in each first shell (501), the other end of each second screw extends out of each first shell (501) and is provided with a first bevel gear (505), each first sliding rod (504) is fixedly installed in each first shell (501) and is arranged in parallel to each second screw (503), and lifting nut seats (506) are installed on each second screw (503) and each first sliding rod (504), an L-shaped radial pressing rod (507) is fixed on the lifting nut seat (506), a second rotating shaft (508) is installed on the transverse moving plate (401), a second bevel gear (510) is installed on the second rotating shaft (508), and the second bevel gear (510) is in meshed connection with the first bevel gear (505); the second rotating shafts (508) of the two-way pressing mechanisms (5) are in transmission connection through a linkage transmission mechanism (6);

a positioning switching mechanism (7) is further installed on one of the two-way pressing mechanisms (5) on the transverse moving plate (401), the positioning switching mechanism (7) comprises a second lifting transmission belt pulley (701) installed on the second rotating shaft (508) and a first piston sleeve (702) installed between the first shell (501) and the axial pressing plate (502), a sealing ring (703) is fixed in the first piston sleeve (702), a first piston rod (704) is installed in the sealing ring (703) in a sliding and sealing mode, an air inlet (705) is formed in one side, located above the sealing ring (703), of the first piston sleeve (702), a first piston block (706) is installed in the first piston sleeve (702) in a sliding and sealing mode and located above the sealing ring (703), the upper end of the first piston rod (704) is connected with the first piston block (706), a lifting block (707) is installed at the lower end of the first piston rod (704), a first pressure spring (708) is installed at the other end of a first piston block (706), the other end of the first pressure spring (708) is abutted against the inner wall of the upper end of a first piston sleeve (702), a first installation groove (709) is formed in a lifting block (707), a spring plunger (710) is installed in the first installation groove (709), a clamping opening (711) which is in clamping fit with the spring plunger (710) is formed in the first piston sleeve (702), the lower end of the lifting block (707) extends out of the first piston sleeve (702) and is provided with a U-shaped wheel frame (712), the U-shaped wheel frame (712) is slidably clamped between a first shell (501) and an axial pressing plate (502), a first rotating shaft (713) is installed on the U-shaped wheel frame (712), a lower pressing rubber friction wheel (714) and a first lifting transmission belt pulley (715) are installed on the first rotating shaft (713), and the first lifting transmission belt pulley (715) is in tensioning transmission connection with a second lifting transmission belt pulley (701) through a first elastic transmission belt (716; inlay on axial clamp plate (502) and be equipped with stop collar (717), stop collar (717) and joint interface (711) coaxial setting, sliding mounting has third slider (718) in stop collar (717), stop collar (717) interpenetration has be used for with spring plunger (710) complex ejector pin (719), ejector pin (719) pass third slider (718) and rather than fixed connection, ejector pin (719) one end is passed stop collar (717) and is extended to joint interface (711), on ejector pin (719) and be located third slider (718) and be equipped with second pressure spring (720) on the pole section towards joint interface (711), second pressure spring (720) both ends are respectively in third slider (718) and stop collar (717) butt, ejector pin (719) other end extends stop collar (717) and is used for cooperating with coil of strip (3) butt so that spring plunger (710) and joint interface (711) separate.

2. The steel coil fixing device for the semitrailer according to claim 1, further comprising a driving transmission mechanism (8), wherein the driving transmission mechanism (8) comprises a driving motor (801) installed on the base plate (1), a driving pulley (802) is installed on the driving motor (801), a transmission shaft (803) is installed on the support plate (21), driving rubber friction wheels (804) are installed at two ends of the transmission shaft (803), a driven pulley (805) is installed in the middle of the transmission shaft (803), the driving pulley (802) is connected with the driven pulley (805) in a tensioning transmission mode through a first transmission belt (806), a third rotating shaft (807) is installed on the base (2), a second transverse transmission pulley (808) and an upper transmission rubber friction wheel (809) are installed on the third rotating shaft (807), and the second transverse transmission pulley (808) is connected with the first transverse transmission pulley (407) in a tensioning transmission mode through a second transmission belt (810) The cutting machine is characterized in that two guide plates (811) are fixed on the bottom plate (1), a through arc-shaped sliding groove (812) is formed in each guide plate (811), the circle center of each arc-shaped sliding groove (812) is located on the axis of the transmission shaft (803), an arc-shaped sliding block (813) sliding along the track of each arc-shaped sliding groove (812) is clamped in each arc-shaped sliding groove (812) in a sliding mode, an arc-shaped pressure spring (814) is further installed in each arc-shaped sliding groove (812), the upper end of each arc-shaped pressure spring (814) is connected with the lower end of each arc-shaped sliding block (813), the lower end of each arc-shaped pressure spring (814) is connected with the bottom of each arc-shaped sliding groove (812), a cutting rotating shaft (815) is installed in each arc-shaped sliding block in a rotating mode, a cutting rubber friction wheel (816) and a cutting rubber friction roller (817) are installed at two ends of each cutting rotating shaft (815), each cutting, the lower-layer transmission rubber friction wheel (818) is used for being in friction transmission fit with the upper-layer transmission rubber friction wheel (809), and the lower-layer transmission rubber friction wheel (714) is used for pressing down the cutting rubber friction roller (817) so that the lower-layer transmission rubber friction wheel (818) is used for being separated from the upper-layer transmission rubber friction wheel (809).

3. The steel coil fixing device for the semitrailer according to claim 1, further comprising a pneumatic reset mechanism (9) corresponding to the positioning switching mechanism (7), wherein the pneumatic reset mechanism (9) comprises a second piston sleeve (901), the second piston sleeve (901) is fixed on the end surface of the traverse plate (401) facing away from the steel coil (3), an upper piston (902) and a lower piston (903) are slidably and sealingly mounted in the second piston sleeve (901), an airflow channel (904) is arranged in the lower piston (903), the upper piston (902) and the lower piston (903) are fixedly connected through a hollow steel pipe (905), the upper end of the hollow steel pipe (905) extends to the upper end of the upper piston (902), the hollow steel pipe (905) is communicated with the airflow channel (904), one side of the upper end of the second piston sleeve (901) is provided with a one-way vent (906), a one-way valve (907) is installed at the one-way vent (906), a connecting frame (908) is fixed at the upper end of an upper-layer piston (902), a second piston rod (909) is fixed at the upper end of the connecting frame (908), a second piston sleeve (901) extends out of the upper end of the second piston rod (909), the second piston sleeve (901) is in sliding sealing connection with the second piston sleeve (901), a lifting opening (910) is formed in the transverse moving plate (401), the lifting nut seat (506) is connected with the second piston rod (909) through a Z-shaped rod (911) penetrating through the lifting opening (910), an exhaust opening (912) used for being matched with the air flow channel (904) is formed in the second piston sleeve (901), and the air flow channel (904) is communicated with the exhaust opening (912) when the lower-layer piston (903) rises to the highest position; the exhaust port 912 and the intake port 705 are communicated with each other by a connection pipe 913 passing through the elevating port 910.

4. The steel coil fixing device for the semitrailer according to claim 1, wherein the linkage transmission mechanism (6) comprises a linkage transmission belt (601) and a linkage transmission belt wheel (602) installed on the second rotating shaft (508), the base (2) is provided with a guide belt wheel (603), and the linkage transmission belt (601) is in transmission connection with the linkage transmission belt wheels (602) and the guide belt wheel (603).