High-efficiency ship unloader capable of conveying by combining spiral and negative pressure
Technical Field
The invention relates to the technical field of ship unloaders, in particular to a high-efficiency ship unloader capable of realizing combined conveying of a screw and negative pressure.
Background
The ship unloader is a common equipment for unloading bulk materials in port. Can be widely used for the ship unloading operation of powdery, granular, blocky or mixed bulk materials.
At present, a screw ship unloader is generally adopted in ship unloading operation, but a negative pressure suction ship unloader is also adopted, and the two devices have respective characteristics. The spiral ship unloading system is energy-saving, low in noise, slight in dust raising and high in productivity, but the residual quantity of materials at the bottom of a cabin is large after the work is finished, the unloading can not be finished at one step, and the work load of clearing the cabin is large; the negative pressure ship unloading system is similar to a dust collector, can almost completely unload materials at the bottom of a cabin, has less raised dust, but has low production efficiency, large noise and high energy consumption, is suitable for small inland river ships, and is rarely applied to large-tonnage ships due to balancing comprehensive indexes such as production rate, energy consumption and the like.
Therefore, how to provide a high-efficiency ship unloader with combined screw and negative pressure conveying is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a screw and negative pressure combined conveying high efficiency ship unloader.
In order to achieve the purpose, the invention adopts the following technical scheme:
a screw and negative pressure combined delivery high efficiency ship unloader comprising:
a mobile vehicle;
the bottom end of the lifting platform mechanism is fixedly connected with a carriage bottom plate of the moving vehicle;
one end of the rotary supporting upright post is rotatably connected with the top end of the lifting platform mechanism, a cross beam is fixed at the other end of the rotary supporting upright post, a storage bin is arranged in the cross beam, a first feeding hole and a second feeding hole are formed in the upper bin wall of the storage bin at intervals, and a discharging hole is formed in the lower bin wall of the storage bin;
the rotary driving mechanism is fixedly connected with the top end of the lifting platform mechanism, and the driving end of the rotary driving mechanism is fixedly connected with the outer wall of the rotary supporting upright post;
the vacuum suction machine is fixed at the position, close to one end of the beam, and a feed opening of a bin of the vacuum suction machine is communicated with the first feed opening;
a connecting beam is fixed at the top of the spiral conveyor, the end part of the connecting beam far away from the spiral conveyor is connected with the other end of the cross beam in a sliding manner, and a discharge hole at the top of the spiral conveyor is communicated with the second feed hole through a first telescopic pipe;
the telescopic driving mechanism is fixedly connected with the outer wall of the cross beam, and the driving end of the telescopic driving mechanism is fixedly connected with the outer wall of the connecting beam;
the negative pressure suction pipe is fixed to the outer wall of the spiral conveyor, and the top of the negative pressure suction pipe is communicated with a feeding hole of a bin of the vacuum suction machine through a second telescopic pipe.
According to the technical scheme, compared with the prior art, the invention discloses a high-efficiency ship unloader capable of realizing combined conveying of a screw and negative pressure, wherein a moving vehicle moves to a specified position, and when the ship unloader is used for unloading a ship preliminarily, the screw conveyor is started to unload materials in a cabin, namely, the materials enter a storage bin through a discharge hole in the top of the screw conveyor, a first telescopic pipe and a second feed hole under the driving of the screw conveyor and are discharged through the discharge hole; when the cabin is cleared, the spiral conveyor is closed, the vacuum suction machine is started, negative pressure suction force is generated in the negative pressure suction pipe, the material at the bottom of the cabin is sucked into the bin chamber of the vacuum suction machine, enters the bin through the discharge port and the first feed port of the bin chamber, and is discharged through the discharge port, so that spiral and negative pressure dual-function discharging is realized. In the unloading process, the positions of the screw conveyor and the negative pressure material suction pipe can be moved in real time through the lifting platform mechanism, the rotary driving mechanism and the telescopic driving mechanism, so that the materials in the cabin can be conveniently removed.
Further, the lift platform mechanism includes:
a cylinder barrel of the first hydraulic cylinder is fixedly connected with a carriage bottom plate of the movable vehicle;
the supporting platform, the supporting platform bottom with the flexible end fixed connection of first pneumatic cylinder, rotatory support post one end with supporting platform rotates and connects, rotary driving mechanism with supporting platform top fixed connection.
Furthermore, a bearing is fixed on the supporting platform, and one end of the rotary supporting upright post is embedded in an inner ring of the bearing.
The beneficial effect who adopts above-mentioned technical scheme to produce is that, first pneumatic cylinder drives supporting platform and goes up and down to can realize that screw conveyer and negative pressure inhale reciprocating of material pipe, the screw conveyer and negative pressure of being convenient for inhale the material pipe and unload to the material of the different degree of depth in the cabin.
Further, the rotary drive mechanism includes:
the motor is fixedly connected with the top end of the supporting platform;
the driving gear is fixedly connected with the driving end of the motor;
and the driven gear is fixedly sleeved on the rotary supporting upright post and is in meshed transmission connection with the driving gear.
The beneficial effect who adopts above-mentioned technical scheme to produce is that, the motor drives drive sprocket and driven sprocket meshing transmission, and then the rotatory support post of drive rotates, and then realizes that screw conveyer and negative pressure inhale the rotation of material pipe, and the screw conveyer and negative pressure of being convenient for inhale the material pipe and unload to the material of different positions in the cabin.
Further, the telescopic driving mechanism includes:
the cylinder barrel of the hydraulic push rod is fixedly connected with the outer wall of the cross beam;
the connecting block, the connecting block top with tie-beam outer wall fixed connection, hydraulic push rod's flexible end with connecting block one side fixed connection.
Adopt the beneficial effect that above-mentioned technical scheme produced to be, hydraulic push rod can drive the connecting block and remove, and then drives screw conveyer and remove.
Furthermore, a guide sliding groove is formed in the outer wall of the other end of the cross beam, a guide sliding block is fixed on the inner side of the end portion, far away from the screw conveyor, of the connecting beam, and the guide sliding block is connected with the guide sliding groove in a sliding mode.
The beneficial effect that adopts above-mentioned technical scheme to produce is, improves tie-beam moving's stationarity and directionality.
Furthermore, the other end of the cross beam is fixed with an anti-falling plate, and one side of the anti-falling plate is abutted to the guide sliding block.
The beneficial effect who adopts above-mentioned technical scheme to produce is that, the setting of anticreep board can avoid the tie-beam to deviate from the crossbeam.
Furthermore, the feed opening of the bin chamber of the vacuum suction machine is provided with a first material anti-blocking auger, and the discharge opening on the lower bin wall of the bin is provided with a second material anti-blocking auger.
The beneficial effect that adopts above-mentioned technical scheme to produce is that, the material of feed opening and discharge gate can be dredged to first material anti-blocking auger and second material anti-blocking auger, prevents that feed opening and discharge gate from appearing the material and blockking up, does benefit to the unloading.
Further, locomotive carriage bottom equipartition is equipped with a plurality of holding tanks, be equipped with scalable support column in the holding tank, scalable support column includes:
the cylinder barrel of the second hydraulic cylinder is fixedly connected with the groove bottom of the accommodating groove, and the telescopic end of the second hydraulic cylinder is arranged downwards;
and the top end of the supporting plate is fixedly connected with the telescopic end of the second hydraulic cylinder.
Adopt above-mentioned technical scheme to produce beneficial effect is, after the locomotive reachd the assigned position, a plurality of scalable support columns stretch out to support subaerial to the stability of locomotive has been guaranteed.
Furthermore, the negative pressure suction pipe is fixedly connected with the outer wall of the spiral conveyor through a plurality of clamps.
Adopt above-mentioned technical scheme to produce beneficial effect be, easily the negative pressure inhale the installation of material pipe and screw conveyer fixed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic three-dimensional structure diagram of a screw and negative pressure combined conveying high-efficiency ship unloader provided by the invention.
Fig. 2 is a schematic front view of the structure of fig. 1.
Fig. 3 is an enlarged schematic view of the structure of the part a in fig. 2.
Fig. 4 is an enlarged schematic view of a part B in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention discloses a high efficiency ship unloader with combined screw and negative pressure conveying, including:
a mobile vehicle 1;
the bottom end of the lifting platform mechanism 2 is fixedly connected with a carriage bottom plate of the movable vehicle 1;
one end of the rotary support upright post 3 is rotatably connected with the top end of the lifting platform mechanism 2, a cross beam 4 is fixed at the other end of the rotary support upright post 3, a storage bin 401 is arranged inside the cross beam 4, a first feeding hole 4011 and a second feeding hole 4012 are arranged on the upper bin wall of the storage bin 401 at intervals, and a discharging hole 4013 is arranged on the lower bin wall of the storage bin 401;
the rotary driving mechanism 5 is fixedly connected with the top end of the lifting platform mechanism 2, and the driving end of the rotary driving mechanism 5 is fixedly connected with the outer wall of the rotary supporting upright post 3;
the vacuum suction machine 6 is fixed at the position, close to one end of the beam 4, of the beam, and a feed opening of a bin of the vacuum suction machine 6 is communicated with the first feed opening 4011;
a connecting beam 8 is fixed at the top of the spiral conveyor 7, the end part, far away from the spiral conveyor 7, of the connecting beam 8 is connected with the other end of the cross beam 4 in a sliding manner, and a discharge hole in the top of the spiral conveyor 7 is communicated with a second feed hole 4012 through a first telescopic pipe 9;
the telescopic driving mechanism 10 is fixedly connected with the outer wall of the cross beam 4, and the driving end of the telescopic driving mechanism 10 is fixedly connected with the outer wall of the connecting beam 8;
the negative pressure suction pipe 11 is fixed with the outer wall of the spiral conveyor 7, and the top of the negative pressure suction pipe 11 is communicated with a feeding hole of a bin of the vacuum suction machine 6 through a second telescopic pipe 12.
The elevating platform mechanism 2 includes:
the cylinder barrel of the first hydraulic cylinder 21 is fixedly connected with the carriage bottom plate of the movable vehicle 1;
supporting platform 22, supporting platform 22 bottom and first pneumatic cylinder 21's flexible end fixed connection, rotatory support column 3 one end rotates with supporting platform 22 to be connected, rotary driving mechanism 5 and supporting platform 22 top fixed connection.
The bearing 13 is fixed on the supporting platform 22, and one end of the rotary supporting upright post 3 is embedded in the inner ring of the bearing 13.
The rotation drive mechanism 5 includes:
the motor 51, the motor 51 is fixedly connected with the top end of the supporting platform 22;
the driving gear 52 is fixedly connected with the driving end of the motor 51;
driven gear 53, driven gear 53 cover is fixed on rotatory support column 3, and driven gear 53 is connected with the meshing transmission of driving gear 52.
The telescopic drive mechanism 10 includes:
a cylinder barrel of the hydraulic push rod 1001 is fixedly connected with the outer wall of the cross beam 4;
connecting block 1002, connecting block 1002 top and 8 outer walls fixed connection of tie-beam, the flexible end and connecting block 1002 one side fixed connection of hydraulic push rod 1001.
The outer wall of the other end of the cross beam 4 is provided with a guide sliding groove 402, the inner side of the end part of the connecting beam 8 far away from the screw conveyor 7 is fixed with a guide sliding block 801, and the guide sliding block 801 is in sliding connection with the guide sliding groove 402.
The other end of the cross beam 4 is fixed with a retaining plate 41, and one side of the retaining plate 41 abuts against the guide slider 801.
A first material anti-blocking auger 14 is arranged at the discharge opening of the chamber of the vacuum suction machine 6, and a second material anti-blocking auger 15 is arranged at a discharge opening 4013 on the lower chamber wall of the storage bin 401.
1 carriage bottom equipartition in locomotive is equipped with a plurality of holding tanks 101, is equipped with scalable support column 16 in the holding tank 101, and scalable support column 16 includes:
a second hydraulic cylinder 161, wherein the cylinder barrel of the second hydraulic cylinder 161 is fixedly connected with the bottom of the accommodating groove 101, and the telescopic end of the second hydraulic cylinder 161 is arranged downwards;
and a support plate 162, wherein the top end of the support plate 162 is fixedly connected with the telescopic end of the second hydraulic cylinder 161.
The negative pressure material suction pipe 11 is fixedly connected with the outer wall of the spiral conveyer 7 through a plurality of clamping hoops 17.
Moving the moving vehicle to a designated position, and when preliminarily unloading the ship, firstly starting the screw conveyor to unload the materials in the cabin, namely, the materials enter a storage bin through a discharge hole at the top of the screw conveyor, a first telescopic pipe and a second feed inlet under the driving of the screw conveyor and are finally discharged through the discharge hole; when the cabin is cleared, the spiral conveyor is closed, the vacuum suction machine is started, negative pressure suction force is generated in the negative pressure suction pipe, the material at the bottom of the cabin is sucked into the bin chamber of the vacuum suction machine, enters the bin through the discharge port and the first feed port of the bin chamber, and is discharged through the discharge port, so that spiral and negative pressure dual-function discharging is realized. In the unloading process, the positions of the screw conveyor and the negative pressure material suction pipe can be moved in real time through the lifting platform mechanism, the rotary driving mechanism and the telescopic driving mechanism, so that the flexibility of the operation positions of the screw conveyor and the negative pressure material suction pipe is improved, and the materials in a cabin can be conveniently removed. In addition, the components such as the screw conveyor, the negative pressure material suction pipe and the like are arranged on the moving vehicle, so that the components can be moved according to the operation position at any time, and the use is flexible and convenient.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.