CN114291594A

CN114291594A - A tripper for steel wire is rolled up transportation

Info

Publication number: CN114291594A
Application number: CN202111506852.4A
Authority: CN
Inventors: 李刚; 沈雷鸣; 傅如学
Original assignee: Zhejiang Mopper Environmental Technology Co Ltd
Current assignee: Zhejiang Mopper Environmental Technology Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-08

Abstract

The invention discloses a discharge trolley for steel wire coil transportation, which comprises a chassis, a lifting seat arranged on the chassis and a material pressing mechanism arranged on the lifting seat, wherein a moving mechanism for driving the trolley to travel is arranged on the chassis; the pressing mechanism comprises two movable pressing arms which can move in an opening and closing manner and can be adjusted in position and two fixed pressing arms which can move in an opening and closing manner synchronously with the movable pressing arms and are fixed in position, and the two movable pressing arms are arranged in a bilateral symmetry manner and move along the length direction of the lifting seat; when the movable swaging arm and the fixed swaging arm are opened, the steel wire coil can enter a lifting seat between the movable swaging arm and the fixed swaging arm; when the movable swaging arm is folded with the fixed swaging arm and the movable swaging arm is close to the fixed swaging arm, the steel wire coil is pressed and moves synchronously with the lifting seat; when the movable swaging arm is far away from the fixed swaging arm, the compressed steel wire coil is released; compared with the prior art, the steel wire coil can be more stably stopped on the discharging trolley in the transportation process.

Description

A tripper for steel wire is rolled up transportation

Technical Field

The invention relates to the field of steel wire coil rust removal processing, in particular to a discharge trolley for steel wire coil transportation.

Background

The surface activity of the steel wire coil after rust removal processing is too strong and is easy to reoxidize, so that the steel wire coil needs to be subjected to anti-oxidation treatment; the steel wire is coiled after the rust removal processing is finished, and the steel wire is generally called as a steel wire coil; in order to facilitate production line transportation, a steel wire coil subjected to rust removal processing is generally sleeved on a material collecting frame, and then the steel wire coil is transported by carrying the material collecting frame, or the steel wire coil is directly transported to an anti-oxidation treatment station by a forklift.

The general manufacturers transport the steel wire coil by the trolley between the end station of the rust removal processing and the transportation station convenient for the transportation of the forklift, so how to stably transport the steel wire coil by the trolley is a big problem to be solved urgently.

Disclosure of Invention

In order to solve the technical problem, the invention provides the discharge trolley for transporting the steel wire coil.

The technical scheme of the invention is realized as follows:

a dump car for steel wire coil transport, comprising:

the chassis is configured as a main body support of the discharge trolley, a moving mechanism for driving the trolley to travel is arranged on the chassis, and the moving mechanism comprises wheels arranged at the bottom of the chassis and a power assembly for driving the wheels to roll;

the lifting seat is arranged on the chassis and moves synchronously with the chassis, and the lifting seat is configured to place and support the steel wire coil;

the pressing mechanism is arranged on the lifting seat and is configured to press the steel wire coil placed on the lifting seat, the pressing mechanism comprises two movable pressing arms which can move in an opening and closing manner and can be adjusted in position and two fixed pressing arms which can move in an opening and closing manner synchronously with the movable pressing arms and are fixed in position, and the two movable pressing arms are arranged on the lifting seat in a bilateral symmetry manner and selectively move along the length direction of the lifting seat;

when the movable swaging arm and the fixed swaging arm are opened, the steel wire coil can enter a lifting seat between the movable swaging arm and the fixed swaging arm; when the movable swaging arm is folded with the fixed swaging arm and the movable swaging arm is close to the fixed swaging arm along the length direction of the lifting seat, the steel wire coil is pressed and moves synchronously with the lifting seat; when the swaging arm is moved away from the fixed swaging arm, the compressed wire coil is released.

The movable swaging arm and the fixed swaging arm of the swaging mechanism can perform opening and closing movement, and when a steel wire coil needs to be loaded or unloaded, the movable swaging arm and the fixed swaging arm are both opened, so that the steel wire coil can smoothly enter; when the steel wire coil needs to be transported, the movable pressing arm and the fixed pressing arm are folded, and then the movable pressing arm moves towards the fixed pressing arm, so that the steel wire coil is pressed, and the steel wire coil can stably move along with the trolley.

Preferably, an opening and closing oil cylinder for controlling the opening and closing of the two movable swaging arms is arranged between the two movable swaging arms, and a synchronous transmission assembly is arranged between the movable swaging arm and the fixed swaging arm which are positioned on the same side of the lifting seat. The synchronous transmission component enables the movable pressing arm and the fixed pressing arm to synchronously open and close, so that only one opening and closing oil cylinder is needed to control the opening and closing of the pressing arm, the cost is saved, and the production and assembly of the trolley are simplified.

Preferably, an L-shaped swing arm is arranged between the opening-closing oil cylinder and the two movable swaging arms respectively, the opening-closing oil cylinder is connected with the two movable swaging arms through the two swing arms, each swing arm comprises a long arm and a short arm, one end of each short arm is hinged with the opening-closing oil cylinder, the other end of each short arm is connected with the long arm, and the long arm is connected with the movable swaging arms; the movable pressing arm and the fixed pressing arm respectively comprise a pressing action arm and a connecting pipe, and the pressing action arm is arranged on the connecting pipe and is higher than the lifting seat; the connecting pipe of the movable pressing arm is connected with the long arm through a rotating shaft and a guide rod, the rotating shaft penetrates through the connecting pipe and the long arm and is arranged on a rotating shaft seat in a penetrating manner, and the rotating shaft seat is fixedly connected with the lifting seat; when the opening and closing oil cylinder is shortened, the two swing arms rotate around the rotating shaft and drive the two movable material pressing arms to open; when the opening and closing oil cylinder extends, the two swing arms rotate around the rotating shaft and drive the two movable pressing arms to close. The movable pressing arm is connected with the oil cylinder and connected with the support lifting seat through the rotating shaft and the rotating shaft seat, and two purposes are achieved at one stroke.

Preferably, the rotating shaft and the guide rod are long rods arranged along the front-rear direction of the lifting seat, and two ends of the rotating shaft and two ends of the guide rod are respectively connected with the movable pressing arm and the fixed pressing arm. The rotating shaft and the guide rod are simultaneously used as synchronous transmission components to enable the fixed pressing arm to be synchronously opened and closed along with the movable pressing arm.

Preferably, the rotating shaft and the guide rod are both provided with a movable oil cylinder seat, a movable oil cylinder is arranged between the rotating shaft and the guide rod and is arranged on the movable oil cylinder seat, and the movable oil cylinder is connected to a connecting pipe of the movable material pressing arm and drives the movable material pressing arm to move along the length direction of the guide rod. The function of pressing the steel wire roll by moving the pressing arm is realized.

Preferably, the fixed pressing arm or the movable pressing arm is provided with a limiting component, and the limiting component is configured to position the movable pressing arms at two sides at the same opening and closing angle. The pressing arms on the two sides do not need to move synchronously, but in order to ensure the stability when the steel wire coil is pressed, the pressing arms on the two sides are kept symmetrical under the state of stopping, so that the pressing arms apply force uniformly, and the pressing work can be effectively and stably carried out.

Preferably, the limiting assembly is arranged on the connecting pipe for fixing the material pressing arm, and comprises an opening limiting part and a closing limiting part; an included angle is formed between the opening limiting part and the closing limiting part, and the opening limiting part and the closing limiting part are approximately arranged towards the lifting seat; when the opening and closing oil cylinder is shortened, the opening limiting pieces on the two sides sequentially abut against the lifting seat, and the two movable pressing arms and the two fixed pressing arms are completely separated; when the opening and closing oil cylinder extends, the closing limiting parts on the two sides sequentially abut against the lifting seat, and the two movable pressing arms and the two fixed pressing arms are completely closed.

Preferably, the opening limiting part and the closing limiting part both comprise limiting installation seats, the limiting installation seats are rotatably connected to the connecting pipe, and the limiting installation seats are configured to rotate the limiting installation seats so as to adjust an included angle between the opening limiting part and the closing limiting part. The included angle between the opening limiting part and the closing limiting part is adjusted so as to change the angle of the pressing arm in the opening and closing state.

Preferably, the connecting pipe is L-shaped, the connecting pipe comprises a long pipe and a short pipe, the material pressing action arm is connected to one end of the short pipe, a reinforcing rib is arranged between the material pressing action arm and the short pipe, and the other end of the short pipe is connected with the upper end of the long pipe; the short pipes of the two connecting pipes on the same side face to each other. Because the short pipe is arranged in a reverse direction, the swaging action arms on the same side are farther away, the length of the steel wire coil which can be borne by the lifting seat is longer, and the application range is wider.

Preferably, the swaging action arm comprises a supporting arm and a pushing arm, and an included angle is formed between the supporting arm and the pushing arm to form an avoiding area for avoiding obstacles. When the steel wire coil is compressed, only the push arm is in contact with the steel wire coil and compresses the steel wire coil; an included angle is formed between the supporting arm and the pushing arm, so that the pressing arm has the capability of avoiding obstacles, and the steel wire coil is more favorably assembled and disassembled.

Preferably, a limiting guide mechanism is arranged beside the wheels, and the limiting guide mechanism is configured to provide limiting and guiding when the dump car returns to the initial position. The trolley can safely and stably return to the initial position.

Preferably, the limiting guide mechanism comprises an eccentric shaft and a limiting guide block, a guide wheel is arranged at the lower end of the eccentric shaft, and the limiting guide block is arranged on the ground and attached to the guide wheel when the discharging trolley returns to the initial position; the eccentric shaft is configured to rotate the eccentric shaft to adjust a gap between the guide wheel and the limit guide block. The guide wheel on the eccentric shaft is adjusted so as to keep the limiting and guiding mechanism in an effective working state.

Preferably, the limit guide block has a front and a rear chamfered surfaces configured to guide the guide wheel. When the trolley deviates from the center of the track and moves to the initial position, the guide wheel firstly abuts against the inclined plane and returns to the right position under the action of the inclined plane.

Preferably, the power assembly comprises a motor, and the motor is a brake motor. The brake motor can brake when not working, guarantees the stability when the dolly stops.

Preferably, the cross section of the lifting seat is approximately U-shaped, the lifting seat comprises a lifting platform and two lifting vertical plates vertically arranged on the lifting platform, and the lifting vertical plates are provided with lifting inclined surfaces contacted with the steel wire rolls. The steel wire coil is carried by the two lifting vertical plates and is contacted with the lifting inclined plane, so that the steel wire coil stably stays on the lifting seat.

Preferably, rubber plates are arranged on the lifting inclined plane, the movable pressing arm and the fixed pressing arm. The rubber plate can increase friction to enable the whole working process to be more stable, and meanwhile, the steel wire coil is protected from being damaged.

The design starting point, the idea and the beneficial effects of the invention adopting the technical scheme are as follows:

the invention has the beneficial effects that:

1. through the structural design of the steel wire coil discharging device, the steel wire coil can stay on the discharging trolley more stably in the transportation process; the steel wire coil can be pressed tightly by the lifting inclined plane of the lifting seat, the rubber plate arranged on the steel wire coil contact part, the movable pressing arm and the fixed pressing arm, and the designs achieve the effects.

2. The limiting guide mechanism and the brake motor enable the unloading trolley to move more safely and stably.

3. The rotating shaft and the guide rod have three purposes, namely, the opening-closing oil cylinder is connected with the movable pressing arm, the opening-closing movement of the movable pressing arm is realized, the fixed pressing arm synchronously opens and closes along with the movable pressing arm, and finally the movable pressing arm moves along the rotating shaft and the guide rod under the action of the movable oil cylinder.

Drawings

FIG. 1 is a side view of an embodiment of the invention showing the material receiving rack being switched between an upright position and a lying position;

fig. 2 is a schematic perspective view of the material receiving frame placed on the turning seat in a lying posture according to the embodiment of the invention;

fig. 3 is a schematic perspective view of a material receiving frame in an embodiment of the present invention;

fig. 4 is a bottom view of a material receiving frame in an embodiment of the present invention;

FIG. 5 is a first schematic perspective view of the flip base and the mounting base according to the embodiment of the present invention;

FIG. 6 is a schematic perspective view of a flip seat and a mounting seat according to an embodiment of the present invention;

FIG. 7 is a top view of the flip base and mount of an embodiment of the present invention;

FIG. 8 is a schematic perspective view of a cart according to an embodiment of the present invention;

FIG. 9 is a schematic plan view of the inversion cart and the dump cart according to the embodiment of the present invention;

FIG. 10 is a schematic perspective view of a steel wire coil transporting apparatus according to an embodiment of the present invention;

FIG. 11 is a schematic perspective view of an embodiment of the transposing cart according to the present invention;

FIG. 12 is a first cross-sectional view of an indexing cart in accordance with an embodiment of the present invention;

FIG. 13 is a second cross-sectional view of the indexing cart in an embodiment of the present invention;

FIG. 14 is a side view of an indexing cart according to an embodiment of the present invention;

FIG. 15 is a first schematic perspective view of a dump car according to an embodiment of the present invention;

fig. 16 is a schematic perspective view illustrating the opening of the movable swaging arm and the fixed swaging arm according to the embodiment of the present invention;

fig. 17 is a schematic perspective view illustrating a closed structure of the movable swaging arm and the fixed swaging arm according to the embodiment of the present invention;

fig. 18 is a schematic plan view illustrating switching between the opening and closing of the movable swage arm and the fixed swage arm in the embodiment of the invention;

FIG. 19 is a side view of a tripper car according to an embodiment of the present invention;

FIG. 20 is a cross-sectional view of the timing drive assembly on the discharge car in an embodiment of the present invention;

FIG. 21 is a schematic perspective view of a discharge carriage according to an embodiment of the present invention;

FIG. 22 is a schematic perspective view of a discharge frame according to an embodiment of the present invention;

FIG. 23 is a side view of a discharge frame in an embodiment of the present invention;

FIG. 24 is a schematic perspective view of a locating pin insertion nest according to an embodiment of the present invention;

fig. 25 is a sectional view of a dowel insertion nest in an embodiment of the present invention;

FIG. 26 is a cross-sectional view of a locating pin removed from a locating socket in an embodiment of the present invention;

FIG. 27 is a schematic perspective view of a spacing guide mechanism according to an embodiment of the present invention;

fig. 28 is a sectional view of a limit guide mechanism in an embodiment of the present invention.

The figures are numbered: a carrying trolley 1; a material turning device 2; a discharge frame 3; a base 31; a support column 32; a support beam 33; a shift lever 34; a bottom baffle 35; a discharge trolley 4; a chassis 41; a lifting seat 42; a lift platform 42 a; lifting the vertical plate 42 b; a lift ramp 42 c; moving the swaging arm 43; a fixed swage arm 44; an opening and closing oil cylinder 45; a swing arm 46; the long arms 46 a; a short arm 46 b; a swaging action arm 47; the support arms 47 a; a push arm 47 b; a connecting pipe 48; a long tube 48 a; a short tube 48 b; a reinforcing plate 48 c; a rotating shaft rod 49; a guide rod 410; a rotating shaft seat 411; a movable cylinder block 412; a traveling cylinder 413; opening the limit stop 414; a closing stopper 415; a limit mount 416; a limit stay 417; a rubber gasket 417 a; a limit guide mechanism 418; a limit guide block 418 a; a brake motor 419; an avoidance slot 420; a transposition trolley 5; a traveling section 51; a hollow-out portion 51 a; a rail receiving portion 52; a rail seat 53; a movable seat 54; a roller 55; a wheel seat 56; a pressure plate 56 a; positioning pins 57; a positioning cylinder 58; a positioning cylinder block 59; positioning the cylinder rod 510; a rail connecting oil cylinder 511; a rail connecting cylinder base 512; a steel wire coil 6; a material receiving frame 7; a hollow steel pipe 71; a rack body 72; support legs 73; a collet 74; a tray 74 a; a weld plate 74 b; a connecting post 74 c; a connecting plate 75; lightening holes 75 a; a turning seat 8; a cantilever shaft 81; a support base 82; a rotating shaft 83; push-pull cylinder connection 84; a mounting seat 9; a rotating seat 91; a holder base 92; a buffer block 93; a rubber sheet 10; a push-pull oil cylinder 11; a push-pull cylinder block 111; a cylinder liner 112; a hinge shaft 113; push-pull cylinder rod 114; a transposition track 12; a moving rail 13; a first transport track 14; a second transport track 15; a guide wheel 16; a guide mounting seat 17; an eccentric shaft 18; a positioning seat 19; a V-shaped groove 20; a transposition rack 21; a transposition gear 22; a wheel 23; a transposition motor 24; a lift cylinder 25; a piano cover 26; a guide post 27; a longitudinal rack 29; the gear 30 is moved.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more than one unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific embodiment of the invention is as follows:

the invention provides a dump car 4 for transporting a steel wire coil, wherein the dump car 4 is applied to steel wire coil transportation equipment and is used as a device for directly carrying and transporting a steel wire coil 6; as shown in fig. 10, the wire coil transporting apparatus mainly includes: the steel wire coil conveying device comprises a carrying trolley 1 for conveying a steel wire coil 6, a material overturning device 2 serving as an ending station of steel wire coil rust removal processing and a discharging frame 3 serving as a conveying station convenient for forklift conveying, wherein the material overturning devices 2 and the discharging frame 3 are multiple, the material overturning devices 2 are arranged side by side, the discharging frames 3 are also arranged side by side, and the carrying trolley 1 is positioned between the material overturning devices 2 and the discharging frames 3 and can move to the corresponding positions of the different material overturning devices 2 and the discharging frames 3 to convey the steel wire coil 6; the carrying trolley 1 comprises the unloading trolley 4 and a transposition trolley 5 for supporting the unloading trolley 4 to move among a plurality of stations, wherein the unloading trolley 4 is arranged on the transposition trolley 5, and the moving directions of the unloading trolley 4 and the transposition trolley are different; the working process of the equipment is simply as follows:

after the steel wire coil 6 is placed on the upender 2, the transposition trolley 5 moves to the upender 2, the discharge trolley 4 moves towards the upender 2, after the discharge trolley 4 is loaded with the steel wire coil 6, the discharge trolley 4 returns to the transposition trolley 5, and the transposition trolley 5 moves towards the nearby idle discharge frame 3; after the transposition trolley 5 is aligned with the discharge frame 3, the discharge trolley 4 moves towards the discharge frame 3 and places the steel wire coil 6 on the discharge frame 3; after the discharging trolley 4 returns to the transposition trolley 5, the device starts to work in the next round.

In the embodiment, the material turning device 2 is provided with two, and the material discharging frames 3 are provided with five; the carrying trolley 1 transversely moves along the left and right directions of the equipment, and the discharging trolley 4 longitudinally moves along the front and back directions of the equipment; in the present embodiment, the general moving direction of the steel wire coil 6 is taken as the front-back direction, that is, the upender 2 and the discharge frame 3 are respectively arranged at the front and back of the apparatus, and the upender 2 is defined to be located in front of the discharge frame 3.

The turning device 2 is further described: as shown in fig. 1-7, the material turning device 2 includes a material receiving rack 7 for receiving the steel wire coil 6 and a turning seat 8 for supporting the material receiving rack 7 and driving the material receiving rack 7 to turn, the turning seat 8 is rotatably disposed on an installation seat 9, and the installation seat 9 is configured as a main body support of the material turning device 2; the overturning seat 8 is provided with a cantilever shaft 81, the material receiving frame 7 comprises a hollow steel pipe 71, when the material receiving frame 7 is arranged on the overturning seat 8, the hollow steel pipe 71 is sleeved on the cantilever shaft 81, and the material receiving frame 7 can rotate relative to the mounting seat 9 along with the overturning seat 8, so that the material receiving frame 7 has a vertical posture and a horizontal posture (as shown in figure 1), and the hollow steel pipe 71 is matched with the cantilever shaft 81 in a sleeved mode, and the material receiving frame 7 can be relatively fixed with the overturning seat 8 in the rotating process of the overturning seat 8 relative to the mounting seat 9.

As shown in fig. 2 and 3, the whole material receiving rack 7 is of a spatial frame structure, the material receiving rack 7 includes a frame-type rack body 72, specifically, a cage-type frame, the rack body 72 is mainly formed by welding steel pipes, support legs 73 for supporting the steel wire coil 6 are arranged at the lower end of the rack body 72, and a chuck 74 is welded at the top end of the rack body 72; the clamping head 74 comprises a tray 74a and a welding plate 74b, the tray 74a is configured to be capable of dragging the tray 74a and hoisting the material receiving frame 7 by a clamping device on the derusting processing line, the welding plate 74b is configured to be welded and fixed with the material frame body 72, and the tray 74a is connected with the welding plate 74b through a connecting column 74 c; along the height direction, the inside connecting plate 75 that is equipped with many lightening holes 75a that is equipped with of work or material rest body 72, four angles of connecting plate 75 and work or material rest body 72 welded fastening, and hollow steel pipe 71 wears to establish in connecting plate 75 and welded fastening, and lightening holes 75a use hollow steel pipe 71 axis point to be the equal angular interval distribution of centre of a circle.

As shown in fig. 4, the supporting legs 73 are tubular bodies, four in number, are sequentially connected and are annular as a whole, specifically, one end and the middle part of each supporting leg 73 are respectively welded with another supporting leg 73 perpendicular to the supporting leg 73, one end and the middle part of each supporting leg 73 are connected with another supporting leg 73, and the end part of each supporting leg 73 can only be connected with the middle part of another supporting leg 73; or simply, the supporting leg 73 is four in number, including first supporting leg, second supporting leg, third supporting leg and fourth supporting leg, and the one end welding of first supporting leg is in the middle part of fourth supporting leg, and the one end welding of second supporting leg is in the middle part of first supporting leg, and the one end welding of third supporting leg is in the middle part of second supporting leg, and the one end welding of fourth supporting leg is in the middle part of third supporting leg.

The steel wire is coiled after the rust removal processing is finished and is placed on the material receiving frame 7, the supporting legs 73 of the material receiving frame 7 support the steel wire coil 6, the clamping heads 74 are clamped by the clamping devices on the rust removal processing assembly line to lift the material receiving frame 7, the material receiving frame 7 is conveyed by the clamping devices to reach the upper portion of the overturning seat 8, the material receiving frame 7 is placed on the overturning seat 8 after being put down, the hollow steel pipe 71 is sleeved on the cantilever shaft 81, the overturning seat 8 is approximately horizontal at the moment, and the material receiving frame 7 is in an upright posture.

As shown in fig. 5-7, the roll-over stand 8 is provided with supporting seats 82 distributed around the cantilever shaft 81 at equal angular intervals, each supporting seat 82 is spaced at 90 degrees, the supporting seats 82 are i-shaped seats, and are fixedly connected with the upper surface of the roll-over stand 8, and the upper surface of the supporting seats is provided with a rubber plate 10 for protecting the steel wire coil 6; after the material receiving frame 7 is placed on the overturning seat 8, the supporting feet are attached to the upper surface of the overturning seat 8 and lower than the upper surface of the supporting seat 82, and the steel wire coil 6 is supported by the supporting seat 82; because the supporting legs have the above structure, when the material receiving rack 7 is placed on the turning seat 8, the supporting legs can avoid the supporting seat 82 and fall on the turning seat 8.

The left side and the right side of the rear part of the mounting seat 9 are respectively provided with a rotating seat 91 which protrudes upwards from the surface of the mounting seat 9, the left side and the right side of the overturning seat 8 are correspondingly provided with two rotating shafts 83, and the rotating shafts 83 are rotatably arranged on the rotating seats 91, so that the rotating connection between the overturning seat 8 and the mounting seat 9 is realized; the stirring device 2 further comprises a driving piece, the driving piece is rotatably arranged on the mounting seat 9, one end of the driving piece is hinged to the turnover seat 8 and acts on the turnover seat 8, and the driving piece is configured to control the turnover seat 8 to turn over relative to the mounting seat 9; specifically, the driving member is a push-pull oil cylinder 11, the left side and the right side of the front part of the mounting seat 9 are respectively provided with a push-pull oil cylinder seat 111 which protrudes upwards from the surface of the mounting seat 9, the push-pull oil cylinder 11 is provided with an oil cylinder sleeve 112 with a hinge shaft 113, and the hinge shaft 113 is inserted in the push-pull oil cylinder seat 111 so as to realize the rotary connection between the push-pull oil cylinder 11 and the mounting seat 9; the rear part of the lower surface of the overturning seat 8 is provided with a push-pull oil cylinder connecting seat 84 which protrudes downwards, when the material collecting rack 7 is in an upright posture, the push-pull oil cylinder connecting seat 84 is positioned behind the rotating shaft 83, the push-pull oil cylinder 11 is provided with a push-pull oil cylinder rod 114 with an articulated shaft 113 at the end part, and the articulated shaft 113 on the push-pull oil cylinder rod 114 is inserted in the push-pull oil cylinder connecting seat 84 so as to realize the articulation of the push-pull oil cylinder 11 and the overturning seat 8.

When the material receiving rack 7 is in the upright posture, the overturning seat 8 is approximately horizontal and parallel to the mounting seat 9, at the moment, the push-pull oil cylinder 11 draws in the push-pull oil cylinder rod 114 to drive the front end of the overturning seat 8 to overturn upwards, and the material receiving rack 7 is switched from the upright posture to the lying posture; when the material receiving frame 7 is in a lying posture, the overturning seat 8 is approximately vertical and is vertical to the mounting seat 9, at the moment, the push-pull oil cylinder 11 extends to push-pull oil cylinder rod 114 to drive the front end of the overturning seat 8 to overturn downwards, and the material receiving frame 7 is switched from the lying posture to the vertical posture; when the material receiving frame 7 is in the lying posture, the steel wire roll 6 is supported by the material frame body 72, and the material frame body 72 is supported by the cantilever shaft 81.

In addition, as shown in fig. 6, a supporting seat 92 protruding upward is further disposed at a middle position in front of the upper surface of the mounting seat 9, and the upper surface of the supporting seat 92 and the bottom surface of the flipping seat 8 are both provided with a buffer block 93; when the push-pull oil cylinder 11 drives the overturning seat 8 to rotate so as to overturn the material receiving frame 7 from the lying posture to the upright posture, the buffer block 93 can buffer the impact between the bearing seat 92 and the overturning seat 8; when the material receiving frame 7 is in an upright posture, the overturning seat 8 is supported by the bearing seat 92 and is approximately horizontal, and the two buffer blocks 93 are abutted together.

As shown in fig. 8 and 9, when the material receiving rack 7 is in the lying posture, the carrying trolley 1 can load the steel wire coil 6 and transport the steel wire coil 6 away from the material turning device 2; the trolley 1 is further described: two transposition rails 12 are arranged on the bottom surface between the discharging frame 3 and the material turning device 2 along the left and right direction of the equipment, and the transposition trolley 5 is movably arranged on the transposition rails 12 and is aligned with the corresponding material turning device 2 or the discharging frame 3 when moving to a corresponding position; a horizontal moving track 13 which is perpendicular to the transposition track 12 is arranged on the transposition trolley 5, the discharging trolley 4 is movably arranged on the moving track 13, a first transporting track 14 is arranged in front of the material turning device 2, and a second transporting track 15 is arranged on the discharging frame 3; when the transposition trolley 5 moves on the transposition track 12 and is aligned with a certain material turning device 2, the moving track 13 is also aligned with the first transportation track 14, the discharging trolley 4 moves from the moving track 13 to the first transportation track 14 and loads the steel wire coil 6 on the material receiving rack 7, and after the discharging trolley 4 finishes loading, the discharging trolley returns to the moving track 13 from the first transportation track 14; when the transposition trolley 5 moves on the transposition track 12 and is aligned with a certain discharge frame 3, the moving track 13 is also aligned with the second transportation track 15, the discharge trolley 4 moves from the moving track 13 to the second transportation track 15 and discharges the steel wire coil 6 to the discharge frame 3, and after the discharge trolley 4 finishes the discharge, the discharge trolley returns to the moving track 13 from the second transportation track 15.

In order to enable the transposition trolley 5 to move on the transposition track 12, a gap is inevitably reserved between the moving track 13 and the first and second transportation tracks, and when the discharge trolley 4 moves from the moving track 13 to the first or second transportation track, the two tracks are required to be attached, so that the transposition trolley 5 also needs to have a rail connecting function; specifically, the method comprises the following steps:

as shown in fig. 11-14, the shift bogie 5 includes a traveling part 51 and a rail connecting part 52, the traveling part 51 is configured to support and movably arrange the main body of the shift bogie 5 on the shift rail 12, the rail connecting part 52 is movably arranged on the traveling part 51, and the moving direction of the rail connecting part 52 is perpendicular to the direction of the shift rail 12; the rail connecting part 52 comprises two rail seats 53 and two moving seats 54, the two rail seats 53 are symmetrically arranged near the left edge and the right edge of the upper surface of the moving seat 54, the moving rail 13 is arranged on the rail seats 53, the direction of the moving rail 13 is consistent with the moving direction of the rail connecting part 52, and the moving rail 13 and the rail connecting part 52 are both along the front and back directions of the equipment; the walking part 51 is a frame with a hollow part 51a, the moving seat 54 is arranged in the hollow part 51a, and the track seat 53 protrudes out of the upper surface of the walking part 51; the left and right sides of the rail seat 53 are provided with rollers 55, the rollers 55 are matched with the walking part 51 in a rolling way, and the rail connecting part 52 is driven by a rail connecting driving device arranged on the walking part 51; the rail connecting part 52 is configured to selectively move toward the upender device 2 or the discharge frame 3 and to interface the moving rail 13 with the first or second transport rail.

Further, as shown in fig. 11 and 13, a wheel seat 56 for accommodating a roller 55 is provided on the walking part 51, and the roller 55 is disposed in the wheel seat 56; the wheel base 56 includes a pressing plate 56a, the pressing plate 56a is disposed above the roller 55 and the pressing plate 56a is configured to restrain the roller 55 in the wheel base 56; the pressing plate 56a is arranged to limit the roller 55 from being lifted away from the wheel seat 56, so that the rail connecting part 52 is prevented from being tilted to one side due to the fact that the dump truck 4 moves to the other side, and the safety is improved; specifically, the length of the wheel seat 56 in the front-back direction is longer than that of the pressing plate 56a in the front-back direction because the rail connecting portion 52 does not need to have a long moving distance, so the pressing plate 56a does not need to have the same length as the wheel seat 56, and meanwhile, as shown in fig. 12, the guide wheel 16 with a vertical axis is arranged beside the roller 55, the guide wheel 16 is connected with the rail connecting portion 52 through a guide mounting seat 17, the guide wheel 16 abuts against the wheel seat 56 and guides the movement of the rail connecting portion 52, and the pressing plate 56a is shorter than the wheel seat 56 in order to avoid the guide wheel 16 and the guide mounting seat 17; the guide mount 17 is provided with an eccentric shaft 18, and the guide wheel 16 is provided at a lower end of the eccentric shaft 18, and the eccentric shaft 18 is configured to rotate the eccentric shaft 18 to adjust a gap between the guide wheel 16 and the wheel base 56.

Further, as shown in fig. 11 and 14, the shift trolley 5 cannot shift left and right when being connected with the first or second transportation rail, so that the moving rail 13 on the shift trolley 5 needs to be accurately aligned with the first or second transportation rail, which is implemented as follows: the transposition trolley 5 further comprises a positioning device which is arranged on the walking part 51 and is configured to position the transposition trolley 5 at a corresponding position of the transposition track 12; a plurality of positioning seats 19 are arranged on the bottom surface between the two transposition rails 12, the positioning device comprises a positioning pin 57 in insertion fit with one of the positioning seats 19, and the walking part 51 can be locked after the positioning pin 57 is in insertion fit with the positioning seat 19; as shown in fig. 24 to 26, the positioning pin 57 is provided on a positioning cylinder 58 and is driven to ascend and descend by the positioning cylinder 58; the positioning oil cylinder 58 is arranged on a positioning oil cylinder seat 59, and the positioning oil cylinder seat 59 is fixedly connected with the walking part 51; specifically, the positioning cylinder 58 has a positioning cylinder rod 510, the upper end of the positioning pin 57 is connected with the positioning cylinder rod 510, and the lower end of the positioning pin 57 is a triangular prism; the positioning seat 19 is a V-shaped positioning seat 19 and comprises a V-shaped groove 20 matched with the shape of the lower end of the positioning pin 57; when the positioning pin 57 is misaligned with the V-shaped groove 20, the positioning cylinder rod 510 pushes the positioning pin 57 downwards, the inclined surface of the lower end of the positioning pin 57 slides relative to the groove wall of the V-shaped groove 20 until the lower end of the positioning pin 57 enters the V-shaped groove 20 and is aligned, and the walking part 51 moves along with the inclined surface and stays at a corresponding position; the positioning socket 19 is located in such a position that the moving rail 13 can be aligned with the first transporting rail 14 or the second transporting rail 15 after the positioning pin 57 is completely engaged with the positioning socket 19.

The rail connecting driving device is a rail connecting oil cylinder 511, the upper surface of the rail connecting part 52 and the upper surface of the traveling part 51 are both provided with a rail connecting oil cylinder seat 512, and two ends of the rail connecting oil cylinder 511 are hinged with the two rail connecting oil cylinder seats 512.

In addition, as shown in fig. 8, 10 and 11, one side of one of the transposition rails 12 is provided with a transposition rack 21, the walking part 51 is provided with wheels 23 and a transposition motor 24 for driving the wheels 23 to rotate, and a transposition gear 22 meshed with the transposition rack 21 is arranged beside the wheels 23, so that the transposition trolley 5 does not slip when moving; the guide wheel 16 is also arranged beside the wheel 23, the guide wheel 16 is the same as the guide wheel 16 and is arranged at the lower end of an eccentric shaft 18, and the guide wheel 16 is abutted against the side wall of the transposition track 12, so that the transposition trolley 5 can stably move on the transposition track 12 without shaking or deviating from the track.

The discharge trolley 4 arranged on the transposition trolley 5 needs to be capable of stably transporting the steel wire coil 6, and the structure is as follows:

as shown in fig. 15-21, the dump car 4 includes a chassis 41, a lifting seat 42 and a pressing mechanism, the chassis 41 is configured as a main body support of the dump car 4, a moving mechanism for driving the car to travel is provided on the chassis 41, and the moving mechanism includes wheels 23 arranged at the bottom of the chassis 41 and a power assembly for driving the wheels 23 to roll; the lifting seat 42 is arranged on the chassis 41 in a lifting manner and moves horizontally synchronously with the chassis 41, and the lifting seat 42 is configured to place and support the steel wire coil 6; specifically, as shown in fig. 21, the lifting frame is connected to the chassis 41 through a lifting mechanism, the lifting mechanism includes a lifting driving member and a plurality of guide assemblies, the lifting driving member is a lifting cylinder 25, the lifting cylinder 25 is installed on the chassis 41 and drives the lifting seat 42 to lift, the guide assemblies are guide posts 27 provided with the musical instrument cover 26, and there are four guide posts 27, the guide posts 27 are configured to enable the lifting seat 42 to stably lift vertically, the chassis 41 is provided with a corresponding number of guide holes (not shown), the guide posts 27 are slidably disposed in the guide holes, and the upper ends of the guide posts 27 are fixedly connected to the lifting seat 42.

The pressing mechanism is arranged on the lifting seat 42 and configured to press the steel wire coil 6 placed on the lifting seat 42, the pressing mechanism comprises two movable pressing arms 43 which can be opened and closed and have adjustable positions and two fixed pressing arms 44 which can be opened and closed synchronously with the movable pressing arms 43 and have fixed positions, and the two movable pressing arms 43 are arranged on the lifting seat 42 in a bilateral symmetry manner and selectively move along the length direction of the lifting seat 42, namely move along the front-back direction of the equipment; the fixed pressing arm 44 is close to the material turning device 2, and the movable pressing arm 43 is close to the discharging frame 3.

The working process of the material pressing mechanism is as follows: when the movable swaging arm 43 and the fixed swaging arm 44 are opened, the wire coil 6 can enter the lifting seat 42 between the movable swaging arm 43 and the fixed swaging arm 44; when the movable swaging arm 43 is folded with the fixed swaging arm 44 and the movable swaging arm 43 is close to the fixed swaging arm 44 along the length direction of the lifting seat 42, the back of the steel wire coil 6 is pressed and moves synchronously with the lifting seat 42; when the swage arm 43 is moved away from the fixed swage arm 44, the compressed wire coil 6 is released.

Further, as shown in fig. 16-18, an opening and closing cylinder 45 for controlling the opening and closing of the two movable swaging arms 43 is arranged between the two movable swaging arms 43, and a synchronous transmission assembly is arranged between the movable swaging arm 43 and the fixed swaging arm 44 on the same side of the lifting seat 42; specifically, the opening and closing oil cylinder 45 is connected with the movable swaging arm 43 through an L-shaped swing arm 46, the swing arm 46 comprises a long arm 46a and a short arm 46b, one end of the short arm 46b is hinged with the opening and closing oil cylinder 45, the other end of the short arm 46b is connected with the long arm 46a, and the long arm 46a is connected with the movable swaging arm 43; the movable pressing arm 43 and the fixed pressing arm 44 both comprise pressing action arms 47 and connecting pipes 48, and the pressing action arms 47 are arranged on the connecting pipes 48 and are higher than the lifting seats 42; the connecting tube 48 of the movable pressing arm 43 is connected with the long arm 46a through a rotating shaft 49 and a guide rod 410, the rotating shaft 49 penetrates through the connecting tube 48 and the long arm 46a and is arranged on a rotating shaft 83 seat 411 in a penetrating way, and the guide rod 410 and the long arm 46a can synchronously rotate around the rotating shaft 49 as the guide rod 410 connects the long arm 46a with the connecting tube 48; the rotating shaft 83 seat 411 is fixedly connected with the lifting seat 42, and the long arm 46a is positioned between the rotating shaft 83 seat 411 and the connecting pipe 48; the connection pipe 48 is made of a square pipe instead of a plate-like body in order to enhance the overall strength of the movable pressing arm 43 and the fixed pressing arm 44; the rotating shaft rod 49 and the guide rod 410 are long rods arranged along the front-back direction of the lifting seat 42, two ends of the rotating shaft rod 49 and two ends of the guide rod 410 are respectively connected with the movable swaging arm 43 and the fixed swaging arm 44, and the rotating shaft rod 49 and the guide rod 410 are the synchronous transmission components; when the opening and closing oil cylinder 45 is shortened, the two swing arms 46 rotate around the rotating shaft rod 49 and drive the two movable swaging arms 43 to open, and the fixed swaging arm 44 is driven by the guide rod 410 to open synchronously with the movable swaging arms 43; when the opening and closing oil cylinder 45 extends, the two swing arms 46 rotate around the rotating shaft rod 49 and drive the two movable pressing arms 43 to fold, and the fixed pressing arm 44 is driven by the guide rod 410 to fold synchronously with the movable pressing arms 43.

As shown in fig. 19 and 20, the rotating shaft 49 and the guide rod 410 are both provided with a movable cylinder base 412, a movable cylinder 413 is arranged between the rotating shaft 49 and the guide rod 410, the movable cylinder 413 is mounted on the movable cylinder base 412, and the movable cylinder 413 is connected to the connecting pipe 48 of the movable swaging arm 43 and drives the movable swaging arm 43 to move along the length direction of the guide rod 410; when the movable swaging arm 43 and the fixed swaging arm 44 are both folded, the movable oil cylinder 413 drives the movable swaging arm 43 to move towards the fixed swaging arm 44 along the guide rod 410 and the rotating shaft rod 49, so as to tightly press the steel wire coil 6 on the lifting seat 42, and the steel wire coil 6 and the discharge trolley 4 can stably and synchronously move; moreover, the rubber plates 10 are arranged on the movable swaging arm 43 and the fixed swaging arm 44, so as to protect the steel wire coil 6 and increase friction, and further ensure the synchronous movement of the steel wire coil 6 and the dump car 4 after being compressed.

As shown in fig. 18, a limiting component is arranged on the fixed swaging arm 44 or the movable swaging arm 43, and the limiting component is configured to position the movable swaging arms 43 at two sides at the same opening and closing angle, so as to realize symmetrical opening and closing; the limiting component is arranged on the connecting pipe 48 of the fixed pressing arm 44, and comprises an opening limiting part 414 and a closing limiting part 415; the opening-limiting part 414 and the closing-limiting part 415 have an included angle therebetween, and both are disposed substantially toward the lifting base 42; when the opening and closing oil cylinder 45 is shortened, the opening limit pieces 414 on the two sides sequentially abut against the lifting seat 42, and the two movable swaging arms 43 and the two fixed swaging arms 44 are completely separated; when the opening and closing cylinder 45 extends, the closing stoppers 415 on both sides sequentially abut against the lifting seat 42, and the two movable swaging arms 43 and the two fixed swaging arms 44 are completely closed.

Because the opening and closing oil cylinder 45 cannot control the two sides to simultaneously and uniformly stretch when stretching, a limiting component is arranged on the fixed material pressing arm 44; for example, when the opening and closing cylinder 45 extends to drive the movable swaging arms 43 to close, the fixed swaging arms 44 also close synchronously, at this time, the fixed swaging arm 44 on one side rotates to enable the closing limiting piece 415 to abut against the lifting seat 42, the closing limiting piece 415 of the fixed swaging arm 44 on the side is closed, so that the fixed swaging arm 44 on the other side cannot rotate continuously, only the fixed swaging arm 44 on the other side can rotate, and when the closing limiting pieces 415 of the fixed swaging arms 44 on both sides abut against the lifting seat 42, the opening and closing cylinder 45 also ends the extending action; in order to make the movable pressing arms 43 on the two sides and the fixed pressing arms 44 on the two sides symmetrical, the limiting components on the fixed pressing arms 44 on the two sides are symmetrically arranged.

The closing limiting piece 415 and the opening limiting piece 414 both include a limiting mounting seat 416 and a limiting support rod 417, the limiting support rod 417 is mounted on the limiting mounting seat 416, a rubber gasket 417a is disposed at an end of the limiting support rod 417 facing the lifting seat 42, and when the closing limiting piece 415 or the opening limiting piece 414 abuts against the lifting seat 42, the rubber gasket 417a can be used for buffering and protecting the lifting seat 42 and the limiting piece from being damaged; the position limiting mount 416 is rotatably connected to the connecting tube 48, and the position limiting mount 416 is configured to rotate the position limiting mount 416 to adjust an included angle between the opening limiting member 414 and the closing limiting member 415.

As shown in fig. 15-17 and 27, 28, a limit guide mechanism 418 is provided beside the wheel 23, and the limit guide mechanism 418 is configured to provide limit and guide when the dump car 4 returns to the initial position; the limiting guide mechanism 418 comprises an eccentric shaft 18 and a limiting guide block 418a, the lower end of the eccentric shaft 18 is provided with a guide wheel 16, and the limiting guide block 418a is arranged on the ground and attached to the guide wheel 16 when the discharging trolley 4 returns to the initial position; the eccentric shaft 18 is configured to rotate the eccentric shaft 18 to adjust a gap between the guide wheel 16 and the limit guide block 418 a; the limiting guide block 418a is provided with a front oblique plane and a rear oblique plane, and the oblique planes are configured to guide the guide wheels 16, so that the unloading trolley 4 is returned and centered, and the unloading trolley 4 can smoothly drive in without deviation after next transposition; the power assembly comprises a motor which is a brake motor 419, and when the dump car 4 stops at the initial position (namely on the transposition car 5), the brake motor 419 is powered off to brake the dump car 4; and the wheels 23 of the discharge trolley 4 are idler wheels, and the peripheral convex parts of the idler wheels can abut against the inner side surface of the movable track 13, so that the discharge trolley 4 can stably stay and cannot overturn when the transposition trolley 5 moves.

The connecting pipe 48 is L-shaped, the connecting pipe 48 comprises a long pipe 48a and a short pipe 48b, the swaging action arm 47 is connected to one end of the short pipe 48b, a reinforcing plate 48c is arranged between the swaging action arm and the short pipe 48b, and the other end of the short pipe 48b is connected with the upper end of the long pipe 48 a; the short tubes 48b of the two connecting tubes 48 on the same side are arranged facing away from each other. The swaging action arm 47 comprises a supporting arm 47a and a pushing arm 47b, an included angle is formed between the supporting arm 47a and the pushing arm 47b, so as to form an avoidance area for avoiding obstacles, specifically, when the discharging car 4 enters the first transportation rail 14 to load the steel wire coil 6, the discharging car 4 firstly comes below the steel wire coil 6, namely below the material receiving frame 7, the lifting seat 42 is lifted to lift the steel wire coil 6, at this time, the originally opened movable swaging arm 43 and the fixed swaging arm 44 start to fold, and since the supporting seat 82 protrudes from the surface of the turnover seat 8 and the steel wire coil 6 falls in the area enclosed by the four supporting seats 82 (because the steel wire coil 6 is supported by the supporting seat 82 instead of the swaging frame 82 when the material receiving frame 7 is placed on the turnover seat 8 in an upright posture), the movement of the fixed swaging frame 44 may be obstructed, so that the included angle between the supporting arm 47a and the pushing arm 47b can avoid the supporting seat 82, so that the push arm 47b contacts the wire coil 6 without touching the support seat 82.

The longitudinal rack 29 is arranged on the same side of the first transportation rail 14, the second transportation rail 15 and the moving rail 13, and the moving gear 30 meshed with the longitudinal rack 29 is arranged on the discharging trolley 4, so that the discharging trolley 4 does not slip when moving on the first transportation rail 14, the second transportation rail 15 and the moving rail 13.

As shown in fig. 18, the cross section of the lifting seat 42 is substantially U-shaped, the lifting seat 42 includes a lifting platform 42a and two lifting risers 42b vertically disposed on the lifting platform 42a, the lifting risers 42b have lifting inclined surfaces 42c contacting the wire coil 6, and the lifting inclined surfaces 42c are V-shaped inclined surfaces, so that the wire coil 6 can be stably retained on the lifting seat 42. The rubber plate 10 is arranged on the lifting inclined plane 42c, the movable pressing arm 43 and the fixed pressing arm 44.

As shown in fig. 22 and 23, the discharge frame 3 is substantially C-shaped, and includes a base 31, a support pillar 32 and a support beam 33, the lower end of the support pillar 32 is connected to the rear end of the base 31, the upper end of the support pillar 32 is connected to the rear end of the support beam 33, and a staying space for the discharge car 4 to enter is formed between the base 31 and the support beam 33; the lifting seat 42 is approximately U-shaped, and an avoiding groove 420 for avoiding the supporting beam 33 is formed in the middle of the lifting seat; when the discharging trolley 4 is a discharging frame 3, the discharging trolley 4 enters the staying space, and the supporting beam 33 enters the avoiding groove 420; the contact surface of the supporting beam 33 and the steel wire coil 6 is a V-shaped inclined surface, a bottom baffle 35 for blocking the lower end of the steel wire coil 6 is arranged at the end of the supporting beam 33 close to the material turning device 2, and the bottom baffle 35 protrudes out of the upper surface of the supporting beam 33; a movable stop lever 34 for the steel wire coil 6 to lean against is arranged at the other end of the supporting beam 33, and the movable stop lever 34 is configured to stay at different positions of the supporting beam 33 according to different lengths of the steel wire coil 6; the base 31 is in a horizontal C shape, the opening direction of the base faces the front, and the second transportation rail 15 is arranged on the base 31; the steel wire coil 6 on the discharge trolley 4 is placed on the discharge frame 3, the movable oil cylinder 413 drives the movable pressing arm 43 to be unfolded (the fixed pressing arm 44 is not moved), the steel wire coil 6 is released immediately, the discharge trolley 4 continues to move forwards, the fixed pressing arm 5 pushes down the steel wire coil 6, the front lower end of the steel wire coil 6 is abutted against the bottom baffle 35, and the rear upper end of the steel wire coil 6 is abutted against the movable stop rod 34.

Claims

1. A tripper for steel wire coil transportation, its characterized in that includes:

2. The tripper car for wire coil transportation according to claim 1, wherein: an opening and closing oil cylinder for controlling the opening and closing of the two movable pressing arms is arranged between the two movable pressing arms, and a synchronous transmission assembly is arranged between the movable pressing arm and the fixed pressing arm which are positioned on the same side of the lifting seat.

3. The dump car for wire coil transportation according to claim 2, wherein: an L-shaped swing arm is arranged between the opening-closing oil cylinder and the two movable swaging arms respectively, the opening-closing oil cylinder is connected with the two movable swaging arms through the two swing arms, each swing arm comprises a long arm and a short arm, one end of each short arm is hinged with the opening-closing oil cylinder, the other end of each short arm is connected with the long arm, and the long arm is connected with the movable swaging arms; the movable pressing arm and the fixed pressing arm respectively comprise a pressing action arm and a connecting pipe, and the pressing action arm is arranged on the connecting pipe and is higher than the lifting seat; the connecting pipe of the movable pressing arm is connected with the long arm through a rotating shaft and a guide rod, the rotating shaft penetrates through the connecting pipe and the long arm and is arranged on a rotating shaft seat in a penetrating manner, and the rotating shaft seat is fixedly connected with the lifting seat; when the opening and closing oil cylinder is shortened, the two swing arms rotate around the rotating shaft and drive the two movable material pressing arms to open; when the opening and closing oil cylinder extends, the two swing arms rotate around the rotating shaft and drive the two movable pressing arms to close.

4. The dump car for wire coil transportation according to claim 3, wherein: the rotating shaft and the guide rod are long rods arranged along the front-rear direction of the lifting seat, and two ends of the rotating shaft and two ends of the guide rod are respectively connected with the movable pressing arm and the fixed pressing arm.

5. The dump car for wire coil transportation according to claim 4, wherein: the rotating shaft and the guide rod are both provided with a movable oil cylinder seat, a movable oil cylinder is arranged between the rotating shaft and the guide rod and is arranged on the movable oil cylinder seat, and the movable oil cylinder is connected to a connecting pipe of the movable material pressing arm and drives the movable material pressing arm to move along the length direction of the guide rod.

6. The dump car for wire coil transportation according to claim 3, wherein: the fixed pressing arm or the movable pressing arm is provided with a limiting component, and the limiting component is configured to position the movable pressing arms on two sides at the same opening and closing angle.

7. The dump car for wire coil transportation according to claim 6, wherein: the limiting assembly is arranged on the connecting pipe for fixing the material pressing arm and comprises an opening limiting part and a closing limiting part; an included angle is formed between the opening limiting part and the closing limiting part, and the opening limiting part and the closing limiting part are approximately arranged towards the lifting seat; when the opening and closing oil cylinder is shortened, the opening limiting pieces on the two sides sequentially abut against the lifting seat, and the two movable pressing arms and the two fixed pressing arms are completely separated; when the opening and closing oil cylinder extends, the closing limiting parts on the two sides sequentially abut against the lifting seat, and the two movable pressing arms and the two fixed pressing arms are completely closed.

8. The dump car for wire coil transportation according to claim 7, wherein: the opening limiting part and the closing limiting part respectively comprise limiting installation seats, the limiting installation seats are rotatably connected to the connecting pipe, and the limiting installation seats are configured to rotate the limiting installation seats to adjust the included angle between the opening limiting part and the closing limiting part.

9. The dump car for wire coil transportation according to claim 3, wherein: the connecting pipe is L-shaped and comprises a long pipe and a short pipe, the material pressing action arm is connected to one end of the short pipe, a reinforcing rib is arranged between the material pressing action arm and the short pipe, and the other end of the short pipe is connected with the upper end of the long pipe; the short pipes of the two connecting pipes on the same side face to each other.

10. The dump car for wire coil transportation according to claim 3, wherein: the material pressing action arm comprises a supporting arm and a pushing arm, and an included angle is formed between the supporting arm and the pushing arm to form an avoiding area for avoiding the barrier.

11. The tripper car for wire coil transportation according to claim 1, wherein: and a limiting guide mechanism is arranged beside the wheels and is configured to provide limiting and guiding when the dump car returns to the initial position.

12. The tripper car for wire coil transportation according to claim 11, wherein: the limiting guide mechanism comprises an eccentric shaft and a limiting guide block, a guide wheel is arranged at the lower end of the eccentric shaft, and the limiting guide block is arranged on the ground and attached to the guide wheel when the discharging trolley returns to the initial position; the eccentric shaft is configured to rotate the eccentric shaft to adjust a gap between the guide wheel and the limit guide block.

13. The tripper car for wire coil transportation according to claim 12, wherein: the limiting guide block is provided with a front oblique plane and a rear oblique plane, and the oblique planes are configured to guide the guide wheels.

14. The tripper car for wire coil transportation according to claim 1, wherein: the cross-section of the lifting seat is approximately U-shaped, the lifting seat comprises a lifting platform and two lifting vertical plates vertically arranged on the lifting platform, and the lifting vertical plates are provided with lifting inclined planes in contact with the steel wire coil.