CN113731611A - Remove crushing and screening equipment and vehicle - Google Patents

Abstract

The application discloses remove broken screening equipment and vehicle relates to the broken technical field of engineering. The scheme comprises an installation bottom surface, a screening device, a crushing device, a collecting hopper, a telescopic conveyor belt and a folding conveyor belt device; the screening device is installed on the installation bottom surface, a first feeding hole is formed in the top of the screening device, an oversize material outlet and an undersize material outlet are formed in the end portion of the screening device, the oversize material outlet is communicated with the telescopic conveyor belt, and the undersize material outlet is communicated with the collecting hopper; the crushing device is arranged on the mounting bottom surface, a second feeding hole is formed in the top of the crushing device, a discharging hole is formed in the bottom of the crushing device, and the discharging hole is communicated with the collecting hopper; the bottom of collecting the fill is equipped with the opening, and folding conveyer belt device is connected to the opening, and folding conveyer belt device sets up on the installation bottom surface to be located collecting the fill below. By adopting the scheme of the invention, the whole crushing and screening equipment can move freely, and the waste of manpower, material resources and financial resources is reduced.

Description

Remove crushing and screening equipment and vehicle

Technical Field

The application relates to the technical field of engineering crushing, in particular to a mobile crushing and screening device and a vehicle.

Background

The existing crushing and screening equipment is mainly fixed or semi-movable. The fixed type is a production method in which the equipment is fixedly installed on the site, and the semi-mobile type is also a production method in which the equipment is fixedly installed on the site, but the equipment can be pulled and moved by a transport vehicle such as a truck after being disassembled and assembled. In the two methods, production equipment is generally transported to a construction site, and after the production equipment is fixed and arranged, construction is carried out according to requirements. However, in the actual production process, the materials are often carried back and forth by vehicles, so that the production efficiency is reduced, and in addition, when the equipment needs to be moved, the basic frame and each unit part are firstly dismantled and then are reassembled after being moved to a proper position, so that great waste is caused to manpower, material resources and financial resources.

Disclosure of Invention

The embodiment of the application provides a remove crushing and screening equipment and vehicle, has solved the problem that crushing and screening equipment among the prior art can't freely remove together, has realized the free removal of whole crushing and screening equipment, has reduced the waste to manpower, material resources, financial resources.

The embodiment of the invention provides mobile crushing and screening equipment, which comprises an installation bottom surface, a screening device, a crushing device, a collecting hopper, a telescopic conveyor belt and a folding conveyor belt device, wherein the installation bottom surface is provided with a plurality of vertical plates;

the screening device is installed on the installation bottom surface through a first support frame, a first feeding hole is formed in the top of the screening device, an oversize material outlet and an oversize material outlet are formed in the end portion of the screening device, the oversize material outlet is communicated with the telescopic conveyor belt, and the oversize material outlet is communicated with the collection hopper;

the telescopic conveyor belt is arranged on the mounting bottom surface in a telescopic manner;

the crushing device is arranged on the installation bottom surface through a second support frame and is positioned at one end of an oversize material outlet of the screening device, a second feeding hole is formed in the top of the crushing device, a discharging hole is formed in the bottom of the crushing device, and the discharging hole is communicated with the collecting hopper;

the bottom of the collecting hopper is provided with an opening which is communicated with the folding conveyor belt device, and the folding conveyor belt device is arranged on the installation bottom surface and is positioned below the collecting hopper.

Furthermore, the screening device also comprises a first feed hopper, a screening box, a screen and a vibrating motor;

the top of the sieve box is provided with the first feeding hole, and the first feeding hopper is arranged on the first feeding hole;

the screen box is of a closed structure, and the screen feeding outlet and the screen discharging outlet are arranged at one end part of the screen box;

the screen is arranged in the screen box and divides the hollow parts in the screen box into an upper screen material layer and a lower screen material layer, the upper screen material layer is communicated with the upper screen material outlet, and the lower screen material layer is communicated with the lower screen material outlet;

the vibrating motor is installed at the bottom of the screen box and used for vibrating and screening materials in the screen box.

Still further, the crushing device comprises a second feed hopper, a motor and a crusher;

the top of the crusher is provided with the second feeding hole, the second feeding hopper is arranged on the second feeding hole, and the bottom of the crusher is provided with the discharging hole;

the motor is mounted on the second support frame and electrically connected with the crusher.

Further, the folding conveyor belt device comprises a first conveying section, a second conveying section, a third conveying section and a first hydraulic cylinder;

the first conveying section is arranged on the mounting bottom surface;

the second conveying section is connected with one end of the first conveying section, and a conveying surface of the second conveying section forms an obtuse angle with a conveying surface of the first conveying section;

the third conveying section is hinged with one end of the second conveying section, which is far away from the first conveying section;

and the trunnion of the first hydraulic cylinder is connected with the third conveying section, and the cylinder bottom of the first hydraulic cylinder is connected with the second conveying section so as to drive the third conveying section to rotate around a hinged shaft.

Furthermore, the folding conveyor belt device also comprises a push-pull mechanism;

and the push-pull end of the push-pull mechanism is fixed with one end of the third transmission section, which is connected with the second transmission section, and is used for pushing and pulling the third transmission section.

Still further, the folding conveyor belt device further comprises a second hydraulic cylinder;

the second conveying section is hinged with the first conveying section;

and a trunnion of the second hydraulic cylinder is connected with the second conveying section, and the cylinder bottom is connected with the mounting bottom surface so as to drive the second conveying section to rotate around a hinged shaft.

Furthermore, the navigation and hoisting device comprises a slide rail, a pulley block, a connecting rod, a first stepping motor, a second stepping motor and a hoisting mechanism;

the two sliding rails are arranged in parallel, are arranged on the installation bottom surface through a bracket and are positioned above the screening device and the crushing device;

the connecting rod is connected with the two sliding rails, the pulley blocks are arranged at two ends of the sliding chute, and pulleys of the pulley blocks are embedded in the sliding rails;

the output shaft of the first stepping motor is connected with the pulley block and drives the pulley block to slide along the sliding rail;

the connecting rod is provided with a sliding chute along the length direction, and the hanging mechanism is movably arranged in the sliding chute and used for replacing the screen;

the second stepping motor is fixed on the hanging mechanism, a gear is arranged on an output shaft of the second stepping motor, the gear is meshed with the rack, and the output shaft of the second stepping motor rotates to drive the hanging mechanism to slide in the sliding groove.

Furthermore, the hanging mechanism is arranged to be a retractable structure and comprises a fixed block, a third stepping motor, a lifting hook and a steel wire rope;

the fixed block is movably arranged in the sliding groove, and the third stepping motor is arranged on the fixed block;

a wire wheel is arranged on an output shaft of the third stepping motor, the steel wire rope is wound on the wire wheel, and the output shaft of the third stepping motor rotates to realize the scaling of the steel wire rope;

the lifting hook is fixed at the free end of the steel wire rope.

Still further, the screen storage rack is also included;

the screen cloth storage frame set up in on the installation bottom surface, and be located screening plant one side, screen cloth storage frame is used for fixed reserve screen cloth.

The utility model provides a vehicle, is including removing crushing and screening equipment, still includes the automobile body, remove crushing and screening equipment set up in on the chassis of automobile body, the installation bottom surface is the upper surface on chassis.

One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:

according to the mobile crushing and screening equipment provided by the embodiment of the invention, a screening device and a crushing device are respectively arranged on the same installation bottom surface through a first support frame and a second support frame, specifically, a first feeding hole is formed in the top of the screening device, so that materials with relatively small particles can enter the screening device through the first feeding hole to be screened, an oversize material outlet and an oversize material outlet are formed in the end part of the screening device, then the materials with larger particle sizes in the materials are discharged through the oversize material outlet through a shrinkage conveyor belt, and the screened qualified materials are sent into a collection hopper through the oversize material outlet to be collected; the top of the crushing device is provided with a second feeding hole, so that materials with relatively large particles can enter the crushing device through the second feeding hole to be crushed, the bottom of the crushing device is provided with a discharging hole, the crushed materials are sent into the collecting hopper through the discharging hole to be collected, a folding conveyor belt device is arranged below the collecting hopper, and the materials in the collecting hopper are conveyed to the next process through the folding conveyor belt device. By adopting the movable crushing and screening equipment, the problem that the crushing and screening equipment in the prior art cannot move freely is solved, the crushing and screening equipment can move freely, and the waste of manpower, material resources and financial resources is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a crushing and screening device provided by an embodiment of the present application;

fig. 2 is a schematic structural view of a hoisting device provided in the embodiment of the present application;

FIG. 3 is a schematic illustration of a first mobile crushing and screening vehicle configuration provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a second mobile crushing and screening vehicle according to an embodiment of the present application;

FIG. 5 is a first schematic view of an unfolding structure of a folding conveyor according to an embodiment of the present disclosure;

FIG. 6 is a second schematic view of an unfolded configuration of the folding conveyor according to the embodiment of the present application;

fig. 7 is a schematic view of a folding structure of a folding conveyor according to an embodiment of the present application.

Icon: 1. mounting the bottom surface; 2. a collecting hopper; 3. a telescopic conveyor belt; 4. a first support frame; 5. a damping spring; 6. a screening device; 61. a first feed hopper; 62. a screen box; 63. a screen feed outlet; 64. a screen discharge outlet; 65. a vibration motor; 7. a crushing device; 71. a second feed hopper; 72. a motor; 73. a crusher; 8. a hoisting device; 81. a slide rail; 82. a pulley block; 83. a connecting rod; 84. a first stepper motor; 85. a second stepping motor; 86. a hanging mechanism; 9. a folding conveyor means; 91. a push-pull mechanism; 92. a guide piece; 93. a first transfer section; 94. a first hydraulic cylinder; 95. a second transfer section; 96. a base; 97. a second hydraulic cylinder; 98. a third transfer section; 99. a slider; 910. a movable cover; 9101. a framework; 911. a protective cover; 9111. a first cover body; 9112. a second cover body; 9113. a third cover body; 912. a top cover; 10. a screen storage rack; 11. a second support frame; 12. a vehicle body.

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 some, not all, embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

As shown in fig. 1, the embodiment of the present invention provides a mobile crushing and screening device, which comprises an installation bottom surface 1, a screening device 6, a crushing device 7, a collecting hopper 2, a telescopic conveyor belt 3 and a folding conveyor belt device 9; the screening device 6 is installed on the installation bottom surface 1 through the first support frame 4, a first feeding hole is formed in the top of the screening device 6, an oversize material outlet 63 and an oversize material outlet 64 are formed in the end portion of the screening device 6, the oversize material outlet 63 is communicated with the telescopic conveyor belt 3, and the oversize material outlet 64 is communicated with the collection hopper 2; the crushing device 7 is arranged on the installation bottom surface 1 through a second support frame 11 and is positioned at one end of an oversize material outlet 63 of the screening device 6, a second feeding hole is formed in the top of the crushing device 7, a discharging hole is formed in the bottom of the crushing device 7, and the discharging hole is communicated with the collecting hopper 2; the bottom of collecting hopper 2 is equipped with the opening, and opening intercommunication folding conveyor means 9, and folding conveyor means 9 sets up on installation bottom surface 1 to be located collecting hopper 2 below.

According to the mobile crushing and screening equipment provided by the embodiment of the invention, a screening device 6 and a crushing device 7 are respectively arranged on the same installation bottom surface 1 through a first support frame 4 and a second support frame 11, specifically, a first feeding hole is formed in the top of the screening device 6, so that materials with relatively small particles can enter the screening device 6 through the first feeding hole to be screened, an oversize material outlet 63 and an oversize material outlet 64 are formed in the end part of the screening device 6, then the materials with larger particle sizes in the materials are discharged through the oversize material outlet 63 through a telescopic conveyor belt 3, and the screened qualified materials are sent into a collecting hopper 2 through the oversize material outlet 64 to be collected; set up the second feed inlet at breaker 7's top to in getting into breaker 7 with the relatively great material of granule through the second feed inlet and carrying out the breakage, set up the discharge gate in breaker 7's bottom, send into collection fill 2 through the discharge gate through broken material and collect, set up folding conveyor belt device 9 in the below of collecting fill 2, through folding conveyor belt device 9 with the material conveying of collecting in the fill 2 to next process. When the crushing and screening equipment of this embodiment is removed to needs, will install 1 direct mount in bottom surface on the mobile device, whole crushing and screening equipment can remove together thereupon, has avoided carrying it again after the manual work is dismantled to the equipment of this scheme can satisfy the screening function, can realize crushing function again, still can go to the next process with the material after screening, breakage together, whole in-process has realized full automation, has saved the manpower. By adopting the movable crushing and screening equipment, the problem that the crushing and screening equipment in the prior art cannot move freely together is solved, the whole crushing and screening equipment can move freely, and the waste of manpower, material resources and financial resources is reduced.

In addition, the telescopic conveyor belt 3 in this embodiment is telescopically arranged and mounted on the bottom surface 1, specifically, the telescopic conveyor belt 3 may be of a hydraulically driven telescopic structure, and after the telescopic conveyor belt 3 is extended, the telescopic conveyor belt can extend out of the bottom surface 1 or a carriage, and the on-site collecting device receives the discharged materials on the screen. As a structure of the telescopic conveyor 3, embodiments thereof may be: be provided with semi-closed framework on the installation bottom surface 1 that is located oversize material export 63 below, telescopic conveyor 3 slidable sets up (slider and spout matched with structure) in the framework, the upper surface and the oversize material export 63 intercommunication of framework, the one end that is close to installation bottom surface 1 or carriage edge of framework sets up to the opening, telescopic conveyor 3 of being convenient for stretches out, the inside pneumatic cylinder that sets up of one end that is close to installation bottom surface 1 or carriage edge of framework, promote telescopic conveyor 3 through the pneumatic cylinder and slide in the framework, realize telescopic conveyor 3 stretch out and shrink. It should be noted that the telescopic conveyor belt 3 in the present embodiment may also be the telescopic conveyor belt 3 in the prior art, and the present embodiment does not require this.

As shown in fig. 1, the sieving device 6 further includes a first hopper 61, a sieve box 62, a sieve, and a vibration motor 65; the top of the sieve box 62 is provided with a first feeding hole, and a first feeding hopper 61 is arranged on the first feeding hole; the screen box 62 is of a closed structure, and an oversize material outlet 63 and an oversize material outlet 64 are arranged at one end part of the screen box 62; the screen is arranged in the screen box 62 and divides the hollow parts in the screen box 62 into an oversize material layer and a undersize material layer, wherein the oversize material layer is communicated with the oversize material outlet 63, and the undersize material layer is communicated with the undersize material outlet 64; a vibratory motor 65 is mounted to the bottom of the screen box 62 for vibratory screening of the material within the screen box 62.

Specifically, install sieve case 62 on installation bottom surface 1 through first support frame 4 to, carry out the shock attenuation processing through damping spring 5 at the junction of first support frame 4 and sieve case 62, when using, pour the material that will sieve into and enter into sieve case 62 from first feeder hopper 61, because be provided with the screen cloth in the sieve case 62, and the screen cloth separates oversize material export 63 and sieve unloading export 64, through the excitation of vibrating motor 65, make oversize material and sieve unloading separate, and make the oversize material discharge from oversize material export 63, the sieve unloading discharges from sieve unloading export 64.

In addition, in this embodiment, the screening device 6 adopts a linear vibrating screen, the linear vibrating screen adopts a circular or square screen hole, the size of the screen hole is 20mm, in this embodiment, the processing capacity of the vibrating screen is not less than 30t/h, and the screening efficiency of the 20mm screen is not less than 90%.

As shown in fig. 1, the crushing device 7 includes a second feed hopper 71, a motor 72, and a crusher 73; a second feeding hole is formed in the top of the crusher 73, a second feeding hopper 71 is installed on the second feeding hole, and a discharging hole is formed in the bottom of the crusher 73; the motor 72 is mounted on the second support frame 11 and is electrically connected to the crusher 73.

In this embodiment, the motor 72 and the crusher 73 are both mounted on the mounting bottom surface 1 through the second support frame 11, and the crusher 73 and the motor 72 are electrically connected, when in use, a material with large particles enters the crusher 73 from the second feed hopper 71, the crusher 73 is powered by the motor 72, the crusher 73 crushes the material with large particles, and then the crushed material is discharged into the collecting hopper 2 through the discharge port. Wherein collecting hopper 2 mainly used collects the material that comes from breaker 73 discharge gate and sieves unloading export 64 exhaust material, sets up collecting hopper 2 to special-shaped part, when collecting the material, docks with folding conveyor means 9, forwards the material to folding conveyor means 9 under the circumstances of guaranteeing that the whole incoming material that receives. In addition, the crushing device 7, the screening device 6, the telescopic conveyor 3 and the folding conveyor device 9 in the above embodiment are arranged on the installation bottom surface 1 in a balanced manner, so that the installation bottom surface 1 is prevented from being severely unbalanced left and right or front and back.

Wherein, the raw materials of the material are granite, quartzite, siltstone, limestone and other mixtures, the maximum granularity is less than or equal to 120mm, the particle size of 95 percent is less than or equal to 20mm, the crusher 73 can realize the minimum discharge granularity is less than or equal to 20mm, and the processing capacity is more than or equal to 30 t/h.

In the above embodiment, the first feeding hopper 61 is arranged at the top of the sieving device 6, the second feeding hopper 71 is arranged at the top of the crusher 73, and in order to reduce the influence of the dust generated in the operation process on the environment, the material directly enters the crusher 73 and the sieve box 62 through the feeding hoppers, and the dust is not generated.

With reference to fig. 5-7, the folding conveyor means 9 comprise a first conveyor section 93, a second conveyor section 95, a third conveyor section 98 and a first hydraulic cylinder 94; the first conveying section 93 is arranged and installed on the bottom surface 1; the second conveying section 95 is connected with one end of the first conveying section 93, and a conveying surface of the second conveying section 95 forms an obtuse angle with a conveying surface of the first conveying section 93; the third conveying section 98 is hinged to an end of the second conveying section 95 facing away from the first conveying section 93; the trunnion of the first hydraulic cylinder 94 is connected to the third transfer section 98, and the cylinder bottom is connected to the second transfer section 95, so as to drive the third transfer section 98 to rotate about the hinge axis.

Specifically, as shown in fig. 5, the conveying surface of the first conveying section 93 is parallel to the installation bottom surface 1. The second conveying section 95 is connected with one end of the first conveying section 93, and the conveying surface of the second conveying section 95 forms an obtuse angle with the conveying surface of the first conveying section 93, so that the conveying surface of the second conveying section 95 extends along the obliquely upper side of the conveying surface of the first conveying section 93, the conveying belt is lifted, and high-position materials can be conveyed downwards or low-position materials can be conveyed upwards. The trunnion of the first hydraulic cylinder 94 is connected with the third conveying section 98, and the cylinder bottom is connected with the second conveying section 95, wherein the hydraulic cylinder generally comprises a cylinder bottom (fixed end), a cylinder barrel, a piston rod, a trunnion and other parts, the cylinder bottom is clamped at one end of the cylinder barrel, one end of the piston rod (telescopic end) is arranged in the cylinder barrel, the trunnion is sleeved at the other end of the piston rod, and the cylinder bottom and the trunnion are used for fixing the hydraulic cylinder on other equipment. The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion, and has the advantages of simple structure, reliable work, light weight, small volume, convenient operation and control, no reduction gear, no transmission gap, stable motion, small motion inertia, high reaction speed and convenient installation. When the first hydraulic cylinder 94 is in the fully retracted position, the third transfer section 98 is folded with its back side adjacent the back side of the second transfer section 95, and the conveyor assembly is in the stowed position. When the first hydraulic cylinder 94 is extended continuously, the third conveying section 98 rotates clockwise around the hinge shaft, and the third conveying section 98 is unfolded, according to actual requirements, the extending length of the first hydraulic cylinder 94 can be controlled, so that the included angle between the back surface of the third conveying section 98 and the back surface of the second conveying section 95 is controlled, that is, the unfolding degree of the third conveying section 98 is controlled.

In practical applications, a set of first hydraulic cylinders 94 may be provided, the piston rods (telescopic ends) of the first hydraulic cylinders 94 being connected to the back of the third conveying section 98, and the cylinder bottoms (fixed ends) being connected to the back of the second conveying section 95, so that the third conveying section 98 can rotate about the hinge axis when the first hydraulic cylinders 94 are telescopic. Of course, in order to make the telescopic force provided by the first hydraulic cylinder 94 to the third conveying section 98 more sufficient, two sets of first hydraulic cylinders 94 may be provided, so as to ensure that the telescopic force provided by the first hydraulic cylinder 94 to the third conveying section 98 is more balanced and the space is reasonably utilized, the first hydraulic cylinders 94 are provided at both sides of the second conveying section 95 and the third conveying section 98, specifically, the piston rods (telescopic ends) of the first hydraulic cylinders 94 of the first set are connected with the first side wall of the third conveying section 98, the cylinder bottoms (fixed ends) are connected with the side wall of the second conveying section 95 on the same side as the first side wall, the piston rods (telescopic ends) of the first hydraulic cylinders 94 of the second set are connected with the second side wall of the third conveying section 98 opposite to the first side wall, and the cylinder bottoms (fixed ends) are connected with the side wall of the second conveying section 95 on the same side as the second side wall.

With reference to fig. 5-7, the folding conveyor belt device 9 further comprises a push-pull mechanism 91; the push-pull end of the push-pull mechanism 91 is fixed to the end of the third transfer section 98 connected to the second transfer section 95 for pushing and pulling the third transfer section 98.

In this embodiment, one set of push-pull mechanism 91 may be provided, or two sets of push-pull mechanisms 91 may be provided as shown in fig. 5, and the push-pull ends of the two sets of push-pull mechanisms 91 are respectively fixed to two sides of the third conveying section 98, so that not only can a sufficient push-pull force be provided, but also the push-pull of the third conveying section 98 is more stable. When the third conveying section 98 is required to be folded, the first hydraulic cylinder 94 retracts, and the push-pull end of the push-pull mechanism 91 is pushed outwards, so that the rotating speed of the third conveying section 98 in the counterclockwise direction is faster, and the folding speed is faster; when the third transfer section 98 needs to be unfolded, the first hydraulic cylinder 94 is extended, and the push-pull end of the push-pull mechanism 91 is pulled back, so that the third transfer section 98 rotates faster in the clockwise direction, and the unfolding speed is faster. The push-pull mechanism 91 and the first hydraulic cylinder 94 work together to achieve faster and smoother folding and unfolding of the third transfer section 98.

The push-pull mechanism 91 includes an electric push rod, and the front end of the push-pull rod of the electric push rod is fixed to the end of the third transmission section 98 connected to the second transmission section 95. The electric push rod has the advantages of low price, environmental protection, convenient control, small volume, high precision, good self-locking performance and the like.

Of course, one electric push rod may be provided, or two electric push rods may be provided, and the front ends of the two electric push rods are fixed to both sides of the end of the third transmission section 98 connected to the second transmission section 95, so that the push-pull forces provided by the two electric push rods are more balanced. In practical application, the folding conveyor belt device 9 further comprises a guide piece 92 and a slide block 99, two sides of the third conveying section 98 are provided with the guide piece 92, two corners of two sides of one end, connected with the second conveying section 95, of the third conveying section 98, close to the conveying surface are provided with the slide block 99, one side of the guide piece 92 is fixed with the side surface of the third conveying section 98, the telescopic end of the first hydraulic cylinder 94 is connected with the other side of the guide piece 92, two adjacent end surfaces of the guide piece 92 are connected through an arc surface, the arc surface is over against the slide block 99, an edge of the slide block 99 facing the guide piece 92 is arranged to be an arc surface corresponding to the arc surface of the guide piece 92, and therefore the slide block 99 can slide along the arc surface of the guide piece 92. The push-pull rod of the electric push rod is fixed with the slide block 99, and the fixed cylinder is fixed with the end surface of the guide sheet 92.

Referring to fig. 5-7, the folding conveyor belt means 9 further comprises a second hydraulic cylinder 97; the second conveying section 95 is hinged with the first conveying section 93; the gudgeon and the second conveying section 95 of second pneumatic cylinder 97 are connected, and the cylinder bottom is connected with installation bottom surface 1 to drive second conveying section 95 and rotate around the articulated shaft, thereby can adjust the central axis of second pneumatic cylinder 97 and the angle size of the first contained angle alpha between the 95 bottom surfaces of second conveying section, can be in order to adjust the angle size of the second contained angle beta between the conveying face of second conveying section 95 and first conveying section 93, and then realize the regulation of the extension length and the extension height of second conveying section 95.

Specifically, when the second hydraulic cylinder 97 extends out, the angle of the first included angle α is reduced, the angle of the second included angle β is also reduced, the second conveying section 95 rotates clockwise, and at this time, when the third conveying section 98 is unfolded, the height of the whole conveyor belt device is relatively increased, and materials with higher height can be conveyed; when the second hydraulic cylinder 97 retracts, the angle of the first included angle α increases, the angle of the second included angle β also increases, the second conveying section 95 rotates counterclockwise, and at this time, when the third conveying section 98 is expanded, relatively speaking, the whole conveyor belt device projects on the projection surface of the installation bottom surface 1, and the length of the whole conveyor belt device is longer, so that materials at a longer distance can be conveyed.

In practical applications, a second hydraulic cylinder 97 may be provided, and the trunnion of the second hydraulic cylinder 97 is connected to the back surface of the second transfer section 95, and the bottom of the second hydraulic cylinder is connected to the bottom surface 1, so that the second transfer section 95 can rotate around the hinge axis when the second hydraulic cylinder 97 extends and contracts. Of course, in order to make the second hydraulic cylinder 97 provide more sufficient expansion force for the second conveying section 95, two second hydraulic cylinders 97 may be provided, in order to make the expansion force provided by the second hydraulic cylinder 97 for the third conveying section 98 more balanced and make reasonable use of space, the second hydraulic cylinders 97 are provided at both sides of the second conveying section 95, specifically, the trunnion of the first second hydraulic cylinder 97 is connected with the first sidewall of the third conveying section 98, the expansion end of the second group of second hydraulic cylinders 97 is connected with the second sidewall opposite to the first sidewall of the third conveying section 98, and the fixed ends of the two groups of second hydraulic cylinders 97 are connected with the installation bottom surface 1.

Referring to fig. 5 and 6, the folding conveyor belt device further includes a protective cover 911. The conveying sides of the first conveying section 93, the second conveying section 95 and the third conveying section 98 are all protected by the sleeved protection covers 911, so that the materials conveyed by the conveying belt device can be protected from being polluted or damaged in real time. Specifically, the section of the protective cover 911 provided by the embodiment of the present application is a door shape, the protective cover 911 includes a top surface and two side surfaces that are integrally connected, and two sides of the first conveying section 93, the second conveying section 95 and the third conveying section 98 are respectively clamped between the two side surfaces of the protective cover 911. The section of the protective cover 911 is door-shaped, which not only facilitates the manufacture and installation, but also saves materials.

Further, the protection cover 911 includes a first cover body 9111, a second cover body 9112 and a third cover body 9113 which are separately arranged, and the first cover body 9111 is sleeved on the upper portion of the first transmission section 93. The second cover body 9112 is located second conveying section 95 upper portion to its one end that is adjacent with first cover body 9111 is connected with the articulated shaft of this end of second conveying section 95, thereby when second conveying section 95 is rotatory, the second cover body 9112 can rotate thereupon and can link up with first cover body 9111, thereby can protect the material of conveying on the second conveying section 95 in real time. The third cover body 9113 is located third conveying section 98 upper portion to its one end that is adjacent with the second cover body 9112 is connected with the articulated axle of this end of third conveying section 98, thereby when third conveying section 98 is rotatory, the third cover body 9113 can rotate thereupon and can link up with the second cover body 9112, thereby can protect the material of conveying on the third conveying section 98 in real time.

Referring to fig. 6 and 7, the foldable conveyor belt device further includes a movable cover 910. A movable cover 910 is arranged at the hinged position of the second conveying section 95 and the third conveying section 98, and the movable cover 910 can always shield the gap between the second conveying section 95 and the third conveying section 98 while the third conveying section 98 rotates; and/or another movable cover 910 is arranged at the hinged joint of the first conveying section 93 and the second conveying section 95, and the movable cover 910 can always block the gap between the first conveying section 93 and the second conveying section 95 while the second conveying section 95 rotates.

In practical applications, when the second conveying section 95 rotates and rotates at different angles, the first cover body 9111 and the second cover body 9112 are expected to be in seamless connection all the time, so that the hinged position of the second conveying section 95 and the first conveying section 93 can be ensured, and when materials flow, the second conveying section 95 is not polluted or damaged. In order to ensure that the joints of the first cover 9111 and the second cover 9112, and the second cover 9112 and the third cover 9113 are always in seamless engagement, the size of the protective cover 911 must be very precise. Meanwhile, when the third cover 9113 is folded, it is also desirable that the hinge thereof be protected from dust and the like.

The folding conveyor belt provided by the embodiment of the invention further comprises a movable cover 910, and the movable cover 910 arranged at the hinged position of the second conveying section 95 and the third conveying section 98 can always cover the gap between the second conveying section 95 and the third conveying section 98 when the third conveying section 98 rotates, that is, the movable cover 910 can always cover the gap between the second conveying section 95 and the third conveying section 98 no matter how many degrees the third conveying section 98 rotates in a folding or unfolding state. The movable cover 910 arranged at the hinged position of the first transmission section 93 and the second transmission section 95 can always shield the gap between the first transmission section 93 and the second transmission section 95 when the second transmission section 95 rotates, namely, no matter how much the second transmission section 95 rotates, the movable cover 910 can always shield the gap between the first transmission section 93 and the second transmission section 95. Of course, when the movable cover 910 is provided, the movable cover 910 may be provided only at the hinge joint of the first conveying section 93 and the second conveying section 95, or the movable cover 910 may be provided only at the hinge joint of the second conveying section 95 and the third conveying section 98, or the movable covers 910 may be provided at the hinge joints of the first conveying section 93 and the second conveying section 95, or the hinge joints of the second conveying section 95 and the third conveying section 98, and those skilled in the art may set the movable covers according to actual requirements.

With continued reference to fig. 6 and 7, the canopy 910 includes a telescoping cloth and at least two spines 9101. Skeleton 9101's both ends all are connected one by one respectively with the both ends of articulated shaft, and first and the skeleton 9101 at end are fixed with protection cover 911 respectively, if set up in the articulated movable cover 910 of locating of third conveying section 98, its first and the skeleton 9101 at end are fixed with the third cover body 9113 and the second cover body 9112 respectively, set up in the articulated movable cover 910 of locating of second conveying section 95, and its first and the skeleton 9101 at end are fixed with the second cover body 9112 and the first cover body 9111 respectively. Two adjacent frameworks 9101 are connected by telescopic cloth.

Wherein, skeleton 9101's cross-section can be the arc line shape, of course, as shown in fig. 6 and fig. 7, skeleton 9101 can also include a slice arc piece and two plain films, two pitch arc place terminal surfaces of arc piece respectively with the one end body coupling of a slice plain film, the other end of two plain films is connected with the both ends of articulated shaft respectively, thereby when making movable cover 910 expand or contract, its periphery is the cylinder, it is more level and smooth to link up, the setting of plain film simultaneously, can make two plain films place face and the side of safety cover 911 of movable cover 910 more laminate, it is more convenient to install, also more practice thrift the space.

The number of the skeletons 9101 may be two, three, four, etc. … …, which is not limited in the embodiment of the present application. For example, fig. 6 and 7 show a structural schematic diagram that the number of the skeletons 9101 at the joints of the first conveying section 93 and the second conveying section 95 is eight, and the number of the skeletons 9101 at the joints of the second conveying section 95 and the third conveying section 98 is nine. Of course, the greater the number of the skeletons 9101, the more robust the structure of the protective cover 911, which can extend its useful life.

Connect through the concertina cloth between two adjacent skeletons 9101, the concertina cloth not only has the function of sheltering from the space below, and at the rotatory in-process of second conveying section 95 or third conveying section 98, the concertina cloth still plays to connect last skeleton 9101 and next skeleton 9101 moreover to make the effect that last skeleton 9101 stimulates next skeleton 9101 to rotate. The arrangement of the telescopic cloth can make the expansion and the contraction of the movable cover 910 more convenient and faster, and make the whole movable cover 910 have better shielding effect.

Of course, the movable cover 910 may also include only a plurality of frames 9101, if the frames 9101 includes an arc-shaped piece and two planes, the end surfaces of two arcs of the arc-shaped piece are respectively connected with one end of a flat piece, the other ends of the two flat pieces are respectively connected with two ends of the hinge shaft, the length of the flat piece of each frame 9101 is gradually increased along the clockwise direction or the counterclockwise direction, the outer peripheral wall of the side of the arc-shaped piece of the previous frame 9101 adjacent to the next frame 9101 is provided with a first baffle plate extending upwards, the inner peripheral wall of the side of the arc-shaped piece of the next frame 9101 adjacent to the previous frame 9101 is provided with a second baffle plate extending downwards, when the movable cover 910 is installed, the first baffle plate can be clamped into the second baffle plate, so that when the movable cover 910 is unfolded, the first baffle plate can pull the second baffle plate, so that the movable cover 910 is smoothly unfolded, when the movable cover 910 is condensed, due to the gradual increase of the length of the flat sheet, the previous framework 9101 can be retracted into the inner cavity of the next framework 9101, so that the movable cover 910 can be smoothly retracted.

Optionally, the protective cover 911 and the movable cover 910 are made of transparent materials, so that the operation condition of the materials on the conveyor belt can be conveniently monitored.

In practice, the folding conveyor assembly also includes a base 96. The base 96 is provided on the placement surface, and the first conveyance section 93 is provided on the installation bottom surface 1 of the base 96. Referring to fig. 5, the base 96 is a groove, and the first transmission section 93 is disposed on an inner bottom surface of the groove. When the foldable belt device includes the second hydraulic cylinder 97, the first conveying section 93 is hinged to the second conveying section 95, both ends of the hinge shaft can be rotatably connected to both side walls of the groove, respectively, so that the hinge shaft is more stable, and the fixed end of the second hydraulic cylinder 97 is connected to the upper end faces of the side walls of the groove. The base 96 can make the folding conveyor belt device be an independent whole, and the folding conveyor belt device can be moved to any working occasion by moving the base 96, so that the folding conveyor belt device is more convenient to use and has wider applicability. Of course, when the base 96 is not provided, the fixed ends of the first conveyor section 93 and the second hydraulic cylinder 97 of the apparatus may be fixed to a fixed location, such as the bottom of the truck bed, and the apparatus may be carried to different locations when the truck is driven to different locations.

In practical application, as shown in fig. 7, a top cover 912 is further disposed at an end of the third cover 9113 facing away from the second cover 9112, so as to protect materials conveyed on top of the third conveying section 98 from being polluted or damaged. This top shield 912 includes main part and outer edge, and the main part appearance is the quadrangular, and the bottom surface of quadrangular is right trapezoid, and the plane at right trapezoid's high place is connected with the one end that deviates from second cover body 9112 of third cover body 9113, and outer edge sets up in the terminal surface at right trapezoid's base place.

With reference to fig. 1 and 2, the hoisting device 8 includes a slide rail 81, a pulley block 82, a connecting rod 83, a first stepping motor 84, a second stepping motor 85, and a hoisting mechanism 86; two sliding rails 81 are arranged in parallel, are arranged on the installation bottom surface 1 through a bracket and are positioned above the screening device 6 and the crushing device 7; the connecting rod 83 is connected with the two sliding rails 81, the pulley blocks 82 are arranged at two ends of the connecting rod 83, and the pulleys of the pulley blocks 82 are embedded in the sliding rails 81; an output shaft of the first stepping motor 84 is connected with the pulley block 82 and drives the pulley block 82 to slide along the sliding rail 81; the connecting rod 83 is provided with a sliding chute along the length direction, and the hanging mechanism 86 can be movably arranged in the sliding chute and used for replacing the screen; the second stepping motor 85 is fixed on the hanging mechanism 86, a gear is arranged on an output shaft of the second stepping motor 85, the gear is meshed with the rack, and the output shaft of the second stepping motor 85 rotates to drive the hanging mechanism 86 to slide in the sliding chute.

In this embodiment, two parallel sliding rails 81 are supported on the installation bottom surface 1 through a bracket, and two sliding rails 81 are connected through a connecting rod 83, so that the connecting rod 83 is perpendicular to the sliding rails 81, wherein two connecting rods 83 are also parallel, sliding grooves are formed in the connecting rod 83 along the length direction, the notches of the two sliding grooves are opposite, pulley blocks 82 are arranged at two end portions of the connecting rod 83, pulleys of the pulley blocks 82 are embedded in the sliding rails 81, the pulley blocks 82 are driven to move in the sliding rails 81 through a first stepping motor 84, two ends of a hanging mechanism 86 are arranged in the sliding grooves, and the hanging mechanism 86 is driven to slide on the connecting rod 83 through a second stepping motor 85.

Specifically, hang mechanism 86 and include the fixed block, the both ends of fixed block are provided with the slider, the slider inlays and locates in the spout, second step motor 85 sets up the top at the fixed block, be provided with the gear on second step motor 85's the output shaft, with gear and the rack toothing who sets up on connecting rod 83 and be on a parallel with the spout and be located the spout top, second step motor 85's output shaft rotates, drive and rack toothing's gear is in the motion along rack length direction, consequently, realize second step motor 85 along spout length direction's removal, and then realize hanging the slip of mechanism 86 in the spout.

Wherein, with the navigation of this embodiment hoist and mount device 8 setting at the top that removes screening crushing apparatus, hang the change that mechanism 86 can be used to screen cloth in screening box 62 to screening plant 6, adopt navigation hoist and mount device 8 to change, artifical as supplementary, saved the human labor greatly, also improved factor of safety.

As a further optimization of this embodiment, the hanging mechanism 86 is set to be a retractable structure, and includes a fixed block, a third stepping motor, a hook, and a wire rope; the fixed block is movably arranged in the sliding groove, and the third stepping motor is arranged on the fixed block; a wire wheel is arranged on an output shaft of the third step motor, a steel wire rope is wound on the wire wheel, and the output shaft of the third step motor rotates to realize the scaling of the steel wire rope; the lifting hook is fixed at the free end of the steel wire rope.

Combine above embodiment, to hang mechanism 86 and set up to collapsible structure, it is concrete, set up the slider at the symmetrical both ends of the fixed block of hanging mechanism 86, inlay the slider and establish in the spout, and fix third step motor on the fixed block, install a line wheel on the output shaft of third step motor, twine wire rope on the line wheel, guarantee the enough length of rope, set up the lifting hook at the free end of rope, during the use, start third step motor, the output shaft of third step motor rotates, the line wheel will rotate thereupon, the rope can the reel realize receiving and releasing, and then realize the lift of lifting hook. Wherein, for the firm of guaranteeing the structure, whole hoisting accessory 8 adopts the steel construction to build.

Referring to fig. 1, a screen storage rack 10 is also included; the screen storage rack 10 is arranged on the installation bottom surface 1 and located on one side of the screening device 6, and the screen storage rack 10 is used for fixing the standby screen.

In this embodiment, set up screen cloth storage rack 10 on installation bottom surface 1 for fix reserve screen cloth, because the big range of the size interval of material footpath grain is bigger, and the footpath grain that uses has strict requirements, need collect the material of different footpaths grain, consequently, screening plant 6 need sieve the material of different footpaths grain, consequently, just need be equipped with screen cloth (or sieve) and the small-size hoisting accessory of four kinds of specifications of sieve mesh size 1mm, 2mm, 5mm, 10mm respectively in addition, in order to conveniently change the screen cloth.

As shown in fig. 3 and 4, the vehicle of the embodiment includes a mobile crushing and screening device, and further includes a vehicle body 12, the mobile crushing and screening device is disposed on a chassis of the vehicle body 12, and the installation bottom surface 1 is an upper surface of the chassis.

The vehicle in the embodiment comprises a vehicle body 12, a chassis and a carriage, wherein the movable crushing and screening equipment in the embodiment is integrally placed on the chassis, the mounting bottom surface 1 is used as the upper surface of the chassis and is sealed through the carriage, when the vehicle is used, the carriage is supported, the folding conveying device 9 is opened, the telescopic conveying belt 3 extends out, and the screening device 6 and the crushing device 7 are started, so that the vehicle can normally work; when the whole equipment needs to be moved, the folding conveyor belt device 9 is folded, the telescopic conveyor belt 3 is retracted, the screening device 6 and the crushing device 7 are closed, the carriage is put down and fixed, and the vehicle is started, so that the movement of any position can be realized.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims (10)

1. A mobile crushing and screening device is characterized by comprising an installation bottom surface (1), a screening device (6), a crushing device (7), a collecting hopper (2), a telescopic conveyor belt (3) and a folding conveyor belt device (9);

the screening device (6) is mounted on the mounting bottom surface (1) through a first support frame (4), a first feeding hole is formed in the top of the screening device (6), an oversize material outlet (63) and an oversize material outlet (64) are formed in the end portion of the screening device (6), the oversize material outlet (63) is communicated with the telescopic conveyor belt (3), and the oversize material outlet (64) is communicated with the collecting hopper (2);

the crushing device (7) is mounted on the mounting bottom surface (1) through a second support frame (11) and is positioned at one end of an oversize material outlet (63) of the screening device (6), a second feeding hole is formed in the top of the crushing device (7), a discharging hole is formed in the bottom of the crushing device (7), and the discharging hole is communicated with the collecting hopper (2);

the bottom of the collecting hopper (2) is provided with an opening which is communicated with the folding conveyor belt device (9), and the folding conveyor belt device (9) is arranged on the installation bottom surface (1) and is positioned below the collecting hopper (2).

2. A mobile crushing and screening apparatus according to claim 1, characterised in that the screening device (6) further comprises a first feed hopper (61), a screen box (62), a screen and a vibrating motor (65);

the top of the screen box (62) is provided with the first feeding hole, and the first feeding hopper (61) is arranged on the first feeding hole;

the screen box (62) is of a closed structure, and the oversize material outlet (63) and the undersize material outlet (64) are arranged at one end part of the screen box (62);

the screen is arranged in the screen box (62) and divides the hollow parts in the screen box (62) into an oversize material layer and an undersize material layer, the oversize material layer is communicated with the oversize material outlet (63), and the undersize material layer is communicated with the undersize material outlet (64);

the vibrating motor (65) is arranged at the bottom of the screen box (62) and used for vibrating and screening the materials in the screen box (62).

3. A mobile crushing and screening apparatus according to claim 1, characterised in that the crushing means (7) comprises a second feed hopper (71), a motor (72) and a crusher (73);

the second feeding hole is formed in the top of the crusher (73), the second feeding hopper (71) is installed on the second feeding hole, and the discharging hole is formed in the bottom of the crusher (73);

the motor (72) is arranged on the second support frame (11) and is electrically connected with the crusher (73).

4. A mobile crushing and screening apparatus according to claim 1, characterised in that said folding conveyor means (9) comprises a first conveyor segment (93), a second conveyor segment (95), a third conveyor segment (98) and a first hydraulic cylinder (94);

the first conveying section (93) is arranged on the installation bottom surface (1);

the second conveying section (95) is connected with one end of the first conveying section (93), and a conveying surface of the second conveying section (95) forms an obtuse angle with a conveying surface of the first conveying section (93);

the third conveying section (98) is hinged with one end of the second conveying section (95) which is far away from the first conveying section (93);

the trunnion of the first hydraulic cylinder (94) is connected with the third conveying section (98), and the cylinder bottom of the first hydraulic cylinder is connected with the second conveying section (95) so as to drive the third conveying section (98) to rotate around a hinge shaft.

5. A mobile crushing and screening apparatus according to claim 4, characterised in that said folding conveyor means (9) further comprises a push-pull mechanism (91);

the push-pull end of the push-pull mechanism (91) is fixed with one end of the third transmission section (98) connected with the second transmission section (95) and is used for pushing and pulling the third transmission section (98).

6. A mobile crushing and screening apparatus according to claim 4, characterised in that the folding conveyor means (9) further comprises a second hydraulic cylinder (97);

the second conveying section (95) is hinged with the first conveying section (93);

and a trunnion of the second hydraulic cylinder (97) is connected with the second conveying section (95), and the bottom of the cylinder is connected with the mounting bottom surface (1) so as to drive the second conveying section (95) to rotate around a hinged shaft.

7. A mobile crushing and screening apparatus according to claim 1, characterised in that said hoisting means (8) comprises a slide (81), a pulley block (82), a connecting rod (83), a first stepping motor (84), a second stepping motor (85) and a hoisting mechanism (86);

the two sliding rails (81) are arranged in parallel, are arranged on the installation bottom surface (1) through a bracket and are positioned above the screening device (6) and the crushing device (7);

the connecting rod (83) is connected with the two sliding rails (81), the pulley blocks (82) are arranged at two ends of the connecting rod (83), and pulleys of the pulley blocks (82) are embedded in the sliding rails;

an output shaft of the first stepping motor (84) is connected with the pulley block (82) and drives the pulley block (82) to slide along the sliding rail (81);

the connecting rod (83) is provided with a sliding groove along the length direction, and the hanging mechanism (86) is movably arranged in the sliding groove and used for replacing the screen;

the second stepping motor (85) is fixed on the hanging mechanism (86), a gear is arranged on an output shaft of the second stepping motor (85), the gear is meshed with the rack, and the output shaft of the second stepping motor (85) rotates to drive the hanging mechanism (86) to slide in the sliding groove.

8. Mobile crushing and screening apparatus according to claim 7, characterised in that the hanging mechanism (86) is provided as a collapsible structure comprising a fixed block, a third stepper motor, a hook and a wire rope;

the fixed block is movably arranged in the sliding groove, and the third stepping motor is arranged on the fixed block;

a wire wheel is arranged on an output shaft of the third stepping motor, the steel wire rope is wound on the wire wheel, and the output shaft of the third stepping motor rotates to realize the scaling of the steel wire rope;

the lifting hook is fixed at the free end of the steel wire rope.

9. A mobile crushing and screening apparatus according to claim 1, further comprising a screen storage rack (10);

the screen storage rack (10) is arranged on the installation bottom surface (1) and located on one side of the screening device (6), and the screen storage rack (10) is used for fixing a standby screen.

10. A vehicle comprising a mobile crushing and screening device according to any one of claims 1-9, further comprising a vehicle body (12), said mobile crushing and screening device being arranged on a chassis of said vehicle body (12), said mounting base (1) being an upper surface of said chassis.

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