Belt conveyor

Abstract

The invention relates to the technical field of conveying equipment, in particular to a belt conveyor. The belt conveyor comprises a support, the support comprises a middle frame and a plurality of supporting legs, the supporting legs are sequentially arranged in the extending direction of the middle frame and connected with the middle frame to support the middle frame, the supporting legs at least have two different heights, and the extending path of the middle frame is changed through the supporting legs with the different heights; the carrier roller assembly is arranged on the middle frame; the belt is wound on the carrier roller assembly; the driving assembly is used for driving the belt to move relative to the carrier roller assembly so as to convey materials. The belt conveyor can meet the transportation requirements of different terrains, and the transportation efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of conveying equipment, and in particular to a belt conveyor. Background Art

[0002] Belt conveyors are a common type of transportation equipment. They generally consist of a drive unit, a transmission roller, a bend roller, idlers, a support, a belt, and other components. The drive unit rotates the transmission roller, which in turn drives the belt through the transmission roller to circulate along the idlers and bend rollers on the support.

[0003] Traditional belt conveyors are generally linear. When encountering complex terrain or situations where turning is required, it is usually necessary to add turning devices or use multiple belt conveyors for splicing and transportation to meet the transportation needs of such terrain, and their adaptability is poor. Summary of the Invention

[0004] The embodiment of the present application provides a belt conveyor to solve the technical problem that traditional belt conveyors cannot adapt to complex terrain and have poor adaptability.

[0005] This application provides the following technical solutions to solve the above technical problems:

[0006] The embodiment of the present application provides a belt conveyor, comprising:

[0007] A bracket comprising an intermediate frame and a plurality of legs, wherein the legs are sequentially arranged along an extension direction of the intermediate frame and connected to the intermediate frame to support the intermediate frame, wherein the plurality of legs have at least two different heights so that an extension path of the intermediate frame can be changed by the legs having different heights;

[0008] A roller assembly is arranged on the intermediate frame;

[0009] a belt wound around the roller assembly;

[0010] The driving assembly is used to drive the belt to move relative to the roller assembly to transport materials.

[0011] In one possible implementation, the roller assembly includes:

[0012] A plurality of upper roller groups are arranged in sequence along the extension direction of the intermediate frame;

[0013] A plurality of lower roller groups are located below the upper roller group, and the plurality of lower roller groups are arranged in sequence along the extension direction of the intermediate frame;

[0014] At least one friction upper centering roller is located between two adjacent upper roller groups, and the friction upper centering roller is configured to contact the belt to correct the belt;

[0015] At least one friction lower centering roller is located between two adjacent lower roller groups, and the friction lower centering roller is configured to contact the belt to correct the belt.

[0016] In a possible embodiment, one end of the intermediate frame is a loading end, and the other end is a unloading end. Among the plurality of upper roller groups:

[0017] The upper roller group adjacent to the feeding end includes a plurality of buffer rollers, and the buffer rollers support the belt when the material falls onto the belt;

[0018] The upper roller group adjacent to the discharge end includes a plurality of transition rollers;

[0019] The remaining upper roller groups each include a plurality of trough rollers, wherein the trough rollers include a middle roller and side rollers located on both sides of the middle roller, and the side rollers have different inclination angles from the middle roller.

[0020] In a possible embodiment, the intermediate frame is further provided with at least one material guide trough located above the belt, the material guide trough is located at the loading end, and the material guide trough is configured to collect the material and place it on the belt.

[0021] In a possible implementation manner, at least one pressure wheel is further provided on the bracket, and the pressure wheel contacts the surface of the belt carrying the material to limit the position of the belt.

[0022] In a possible embodiment, the lower roller assembly includes:

[0023] At least one inverted V-shaped roller, the inverted V-shaped roller comprising at least two side rollers, the side rollers being arranged at an angle to form an inverted V-shaped structure;

[0024] At least one lower parallel roller is spaced apart from the reverse V roller.

[0025] In a possible embodiment, the driving assembly further includes a driving member, a driving roller and a transmission roller. The driving member is connected to the driving roller to drive the driving roller to rotate. The driving roller and the transmission roller are respectively arranged on both sides of the roller assembly. The belt is mounted on the driving roller and the transmission roller and is in contact with the roller assembly.

[0026] In a possible implementation, at least one first redirecting roller is provided between the driving roller and the transmission roller, and the first redirecting roller is configured to squeeze the surface of the belt to adjust an extension path of the belt.

[0027] In a possible embodiment, the tensioning device is further included, and the tensioning device includes:

[0028] a guide portion extending along a height direction of the supporting leg;

[0029] a tensioning roller, contacting the belt and slidably connected to the guide portion;

[0030] A counterweight block is connected to the tensioning roller, and the counterweight block is configured to change the position of the tensioning roller through gravity to adjust the tension of the belt.

[0031] In a possible embodiment, the tensioning device further includes two second redirecting rollers, which are respectively arranged on both sides of the tensioning roller, and the second redirecting roller and the tensioning roller are in contact with two surfaces of the belt respectively.

[0032] The present application provides a belt conveyor, comprising a support, a roller assembly, a belt, and a drive assembly. The support comprises an intermediate frame and a plurality of legs. The legs are arranged in sequence along the extension direction of the intermediate frame and connected to the intermediate frame to support the intermediate frame. The roller assembly is disposed on the intermediate frame, and a belt is wound around the roller assembly. The drive assembly drives the belt relative to the roller assembly to transport materials. The legs have at least two heights, allowing the support to have a degree of curvature. By cooperating with the roller assembly, the support allows the belt conveyor to be flexibly arranged according to terrain, providing strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0034] Figure 1 A schematic structural diagram of a belt conveyor provided in an embodiment of the present application;

[0035] Figure 2 A schematic structural diagram of the discharge end of a belt conveyor provided in an embodiment of the present application;

[0036] Figure 3 A schematic structural diagram of the loading end of the belt conveyor provided in an embodiment of the present application;

[0037] Figure 4 A schematic structural diagram of a material guide trough in a belt conveyor provided in an embodiment of the present application;

[0038] Figure 5 A schematic structural diagram of the rear curtain of the guide trough of the belt conveyor provided in an embodiment of the present application;

[0039] Figure 6 A schematic structural diagram of the front curtain of the guide trough of the belt conveyor provided in an embodiment of the present application;

[0040] Figure 7 A schematic structural diagram of a tensioning device in a belt conveyor provided in an embodiment of the present application;

[0041] Figure 8 A schematic diagram of the belt winding of the belt conveyor provided in an embodiment of the present application.

[0042] Reference numerals:

[0043] 1- bracket, 110- middle frame, 120- legs, 130- loading end, 140- unloading end;

[0044] 2- roller assembly, 210- upper roller group, 211- transition roller, 212- trough roller, 213- buffer roller, 220- lower roller assembly, 221- reverse V roller, 222- lower parallel roller, 230- friction upper centering roller, 240- friction lower centering roller;

[0045] 3- belt;

[0046] 4- guide chute, 410- chute body, 420- first curtain, 430- second curtain, 440- overflow prevention skirt;

[0047] 5-Press pulley;

[0048] 6- driving roller;

[0049] 7- transmission roller;

[0050] 8- first redirecting roller;

[0051] 9- tensioning device, 910- guide part, 920- tensioning roller, 930- counterweight block, 940- second redirecting roller.

[0052] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0053] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0054] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention.

[0055] In the present invention, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0056] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0057] In related technologies, belt conveyors are generally linear, meeting the needs of linear transportation. However, in actual applications, the transportation path often needs to be adjusted according to terrain, space constraints, and process requirements. Traditional linear conveyors often require the addition of turning devices or the use of multiple belt conveyors for transportation. Not only does this require a lot of manpower to adjust, but the addition of turning devices or the use of multiple devices to achieve transportation also increases the floor space required. This makes traditional conveyors difficult to adapt to complex terrain changes, resulting in low flexibility, high costs, and low transportation efficiency.

[0058] To overcome the above-mentioned problems, an embodiment of the present application provides a belt conveyor, comprising a support, a roller assembly, a belt, and a drive assembly. The support comprises an intermediate frame and a plurality of legs. The legs are arranged in sequence along the extension direction of the intermediate frame and are connected to the intermediate frame to support the intermediate frame. The roller assembly is disposed on the intermediate frame, and the belt is wound around the roller assembly. The drive assembly drives the belt to move relative to the roller assembly to transport materials. The legs have at least two heights. The legs of different heights change the extension path of the intermediate frame, allowing the support to achieve a certain degree of curvature, thereby adapting to complex terrain and variable conveying paths.

[0059] The structure, function and implementation process of the belt conveyor provided in this embodiment are illustrated below with reference to the accompanying drawings.

[0060] Please refer to Figure 1 The belt conveyor includes a support frame 1, a roller assembly 2, a belt 3, and a drive assembly. The support frame 1 includes an intermediate frame 110 and a plurality of legs 120. The legs 120 are connected to the intermediate frame 110 to support the intermediate frame 110. The roller assembly 2 is mounted on the intermediate frame 110. The belt 3 is wound around the roller assembly 2. The drive assembly drives the belt to move relative to the roller assembly 2 to transport materials.

[0061] The legs 120 have at least two different heights. These different heights can alter the path of the intermediate frame 110, allowing the support frame 1 to achieve a certain degree of curvature. The placement of the legs 120 can be adaptively adjusted based on ground conditions and the conveying path. Specifically, the height difference between adjacent legs 120 can be adjusted based on the actual terrain and conveying path, thereby varying the curvature of the support frame 1. Furthermore, the legs 120 can be evenly spaced in straight or slightly curved sections. In curved sections or areas with heavy loads, the legs 120 can be spaced closer together.

[0062] The friction between the belt 3 and the roller assembly 2 drives the roller assembly 2 to rotate. The roller assembly 2 can provide support for the belt 3 and reduce the deviation and friction of the belt 3, ensuring that the belt 3 remains stable and the tension is evenly distributed when moving. In addition, the arrangement and combination of the roller assembly 2 can be adjusted to enable the belt 3 to pass through turns and areas with changing slopes smoothly and adapt to complex terrain and changeable conveying paths.

[0063] In some embodiments, the roller assembly 2 includes a plurality of upper roller groups 210, a plurality of lower roller groups 220, at least one friction upper centering roller 230, and at least one friction lower centering roller 240. The upper roller groups 210 are arranged sequentially along the direction in which the intermediate frame 110 extends; the lower roller groups 220 are disposed below the upper roller groups 210 and sequentially along the direction in which the intermediate frame 110 extends; the friction upper centering roller 230 is disposed between two adjacent upper roller groups 210; and the friction lower centering roller 240 is disposed between two adjacent lower roller groups 220.

[0064] The upper roller group 210 is mainly responsible for support and load-bearing, ensuring that the belt 3 maintains a smooth transport when carrying materials. The lower roller group 220 is mainly responsible for supporting the return of the belt 3, preventing the belt 3 from sagging, and ensuring the smooth return of the belt 3. The friction upper centering roller 230 and the friction lower centering roller 240 usually include rollers and a friction adjustment mechanism. The friction adjustment mechanism senses the offset of the belt 3 through the friction between the belt 3 and the roller, and automatically adjusts the roller angle to correct the position of the belt 3 to prevent the belt 3 from deviating. The friction upper centering roller 230 can be located at a position where the belt 3 is prone to deviation, such as: feeding point, unloading point, slope change, turning point, etc.

[0065] In some embodiments, the intermediate frame 110 includes a loading end 130 and a discharge end 140 .

[0066] The upper roller assembly 210 near the loading end 130 includes multiple buffer rollers 213. The buffer rollers 213 consist of a center roller and two inclined side rollers. The center roller is positioned horizontally, while the two side rollers are tilted on either side of the center roller. The two side rollers are tilted at a predetermined angle, for example, 35°, forming a trough-shaped structure. The surface of the buffer rollers 213 is covered with a cushioning material, such as rubber or polyurethane, to provide shock absorption. When material is loaded onto the belt 3, the buffer rollers 213 support the belt 3, absorbing the impact of material loading, protecting the belt 3 from damage, and maintaining smooth operation during the loading process.

[0067] The upper roller assembly 210 near the discharge end 140 includes multiple transition rollers 211. These can be either V-shaped or arc-shaped. V-shaped transition rollers 211 include two side rollers tilted at a certain angle to form a V-shape. Arc-shaped transition rollers include arc-shaped rollers. These transition rollers 211 connect conveying paths at different heights at both ends of the belt 3 to provide a smooth transition.

[0068] In actual use, transition rollers 211 with different inclination angles can be selected and used in combination. For example, the two side rollers of a "V"-shaped roller can have different inclination angles to obtain transition rollers 211 with different inclination angles; the arc-shaped transition rollers can have different arc radians to obtain transition rollers 211 with different angles. The transition rollers 211 are arranged in sequence along the extension direction of the intermediate frame 110, with the angle decreasing as they are closer to the discharge end 140.

[0069] Exemplarily, the upper roller group 210 near the unloading end 140 may include a 10° transition roller and a 20° transition roller, and the 10° transition roller and the 20° transition roller are arranged in sequence along the extension direction of the intermediate frame 110, wherein the 10° transition roller is close to the unloading end 140.

[0070] The remaining upper roller assembly 210 includes multiple trough rollers 212, each comprising a center roller and two inclined side rollers. The center roller is positioned horizontally, while the two side rollers are tilted on either side of the center roller. The two side rollers are tilted at a specific angle, such as 20°, 35°, or 45°. Trough rollers 212 increase the carrying capacity of belt 3. The resulting trough structure matches the material on belt 3, helping to maintain the material's stability on belt 3 and preventing it from slipping or shifting.

[0071] Please refer to Figure 3 and Figure 4 , Figure 3 The x direction is the belt extension direction, Figure 4 The z direction is perpendicular to the belt extension direction, and the y direction is the width direction of the belt.

[0072] In some embodiments, the intermediate frame 110 is provided with a material guide chute 4, which is installed at the material loading position of the loading end 130 and is located above the belt 3. The material guide chute 4 is used to guide the material into the belt 3.

[0073] Exemplarily, the trough body 410 of the material guide trough 4 is provided with a cavity, with a discharge port and a feed port respectively provided at both ends of the cavity in the z-direction for collecting and transporting materials. The cavity can be funnel-shaped, rectangular, or trapezoidal. Preferably, a trapezoidal cavity is selected, with the larger end of the cavity serving as the feed port to better receive materials and prevent overflow or blockage; the smaller end serving as the discharge port to ensure smooth transfer of materials to the next conveying stage.

[0074] Furthermore, the trough body 410 includes a first curtain 420, a second curtain 430, a first mounting plate, and a second mounting plate. The first curtain 420 and the second curtain 430 are arranged in sequence along the x-direction. The first curtain 420 and the second curtain 430 are arranged vertically above the belt 3, with the second curtain 430 close to the feeding end 130 and the first curtain 420 away from the feeding end 130 along the x-direction.

[0075] The first mounting plate and the second mounting plate are sequentially arranged along the y direction. The first mounting plate and the second mounting plate are arranged on both sides of the belt 3 for connecting the first curtain 420 and the second curtain 430 .

[0076] Please refer to Figure 5 and Figure 6 Furthermore, the first curtain 420 is a rubber plate, and the first curtain 420 is at least partially cut into several strip structures along the z direction by the bottom end of the first curtain 420, so that the material can smoothly enter the conveying area of ​​the belt 3 from the material guide trough 4, so as to guide its flow direction when the material leaves; the second curtain 430 includes a steel plate, a connector and a rubber plate, the steel plate is located at one end of the feed port, and the rubber plate is located at one end of the discharge port. The steel plate and the rubber plate are connected by a connector to reduce the deviation and overflow of the material.

[0077] Furthermore, two overflow prevention skirts 440 are arranged sequentially along the y-direction, each positioned outside the cavity. The top ends of the overflow prevention skirts 440 in the z-direction are connected to the bottom ends of the first and second mounting plates, respectively, via a clamping member. The bottom ends of the overflow prevention skirts 440 contact the upper surface of the belt 3 to prevent material from overflowing and provide a seal. The overflow prevention skirts 440 are typically made of a wear-resistant and flexible material, such as rubber, polyurethane, or other synthetic materials, to effectively resist wear and form a good seal on the surface of the belt 3.

[0078] Furthermore, the material guide trough 4 can be used in combination with the buffer roller 213. The material guide trough 4 and the buffer roller 213 are both installed at the material loading position. The buffer roller 213 supports the belt 3. The material guide trough 4 is located above the belt 3 and is aligned with the belt 3.

[0079] The material enters the feed port from upstream equipment, such as a crusher, hopper or funnel. The guide chute 4 limits the flow path of the material and guides the material into the belt 3 from the discharge port. The buffer roller 213 absorbs the impact force of the falling material and reduces the wear on the belt 3. The adjustment device adjusts the angle and position of the guide chute according to different material characteristics and conveying conditions.

[0080] In some embodiments, the support 1 is further provided with a pinch roller 5, which contacts the surface of the belt 3 carrying the material. The pinch roller 5 applies pressure to the belt 3, thereby preventing the belt 3 from slipping. The pinch roller 5 also helps maintain the tension of the belt 3, ensuring that the belt 3 does not sag during operation.

[0081] In some embodiments, the lower roller assembly 220 includes an inverted V roller 221 and a lower parallel roller 222. The inverted V roller 221 includes two side rollers that are tilted at a certain angle to form an inverted "V" shape. Both side rollers can rotate freely. When the belt 3 begins to deviate from the conveying path, the inverted V roller 221 generates a guiding force to guide the belt 3 to the correct conveying path.

[0082] Inverted V-shaped idlers 221 and lower parallel idlers 222 are spaced apart below the lower idler assembly 220. For example, inverted V-shaped idlers 221 are preferably positioned where the belt 3 is prone to deviation, such as at curves, on steep slopes, or in areas with significant load variations. Lower parallel idlers 222 are used for general support. The spaced combination of inverted V-shaped idlers and lower parallel idlers effectively improves the stability and efficiency of the conveyor system.

[0083] In some embodiments, the driving assembly of the embodiment of the present application includes a driving member, a driving roller 6 and a transmission roller 7. The driving member is connected to the driving roller 6 for driving the driving roller 6 to rotate. The driving roller 6 and the transmission roller 7 are respectively arranged on both sides of the roller assembly 2. The belt 3 is mounted on the driving roller 6 and the transmission roller 7, and the belt 3 is in contact with the roller assembly 2.

[0084] Exemplarily, the driving member may include a motor, a reducer, and a serpentine coupling, wherein the motor is connected to the reducer, and the serpentine coupling connects the reducer and the drive roller; the drive roller 6 may be arranged at the discharge end 140, and the transmission roller 7 may be arranged at the loading end 130. The drive roller 6 and the transmission roller 7 are respectively located on both sides of the roller assembly 2, and the belt 3 is sleeved on the drive roller 6 and the transmission roller 7, and the belt 3 is in contact with the roller assembly 2. The motor provides power, and the reducer converts the high-speed, low-torque rotation provided by the motor into a low-speed, high-torque output. Through the serpentine coupling, the reducer drives the drive roller 6 to rotate, and the drive roller 6 drives the belt 3 to move through friction, and the belt 3 achieves a cyclic motion through the transmission roller 7; when the belt 3 moves, the friction drives the roller assembly 2 to rotate, and the roller assembly 2 maintains the smooth operation of the belt 3.

[0085] In some embodiments, at least one first redirecting roller 8 is provided between the driving roller 6 and the transmission roller 7. The first redirecting roller 8 contacts the surface of the belt 3, changes the extension path of the belt 3, increases the flexibility of the conveying path, adjusts and maintains the tension of the belt 3, and ensures that the belt maintains smooth operation in a complex path.

[0086] Exemplarily, the belt 3 is sleeved on the driving roller 6 and the transmission roller 7. The belt 3 sleeved above the horizontal line connecting the centers of the driving roller 6 and the transmission roller 7 is the load-bearing section, and the belt 3 sleeved below the horizontal line connecting the centers of the driving roller 6 and the transmission roller 7 is the return section. The two first redirecting rollers 8 are respectively arranged at the two ends of the return section. The first redirecting rollers 8 are in contact with the belt 3, squeezing the surface of the belt 3, thereby changing the extension path of the belt 3.

[0087] Please see Figure 7 In some embodiments, a tensioning device 9 is further included, comprising a guide portion 910, a tensioning roller 920, and a counterweight 930. The guide portion 910 extends along the height direction of the support leg 120. The tensioning roller 920 contacts the belt 3 and is slidably connected to the guide portion 910. The counterweight 930 is connected to the tensioning roller 920. The counterweight 930 changes the position of the tensioning roller 920 through gravity to adjust the tension of the belt 3.

[0088] For example, when the embodiment of the present application is installed and not yet in operation, the tensioning device 9 is in the initial position, the counterweight 930 is connected to the tensioning roller 920, the tensioning roller 920 is in contact with the belt 3, the tensioning roller 920 is slidably connected to the guide portion 910, and the counterweight 930 is located at a certain height, so that the belt 3 is at a certain tension level, ensuring that there is sufficient friction between the belt 3 and the drive roller 6, so that the subsequent belt conveyor can start normally;

[0089] When the belt conveyor is started, the tensioning device 9 automatically adjusts the tension. For example, when the load increases, the belt 3 stretches, and the counterweight 930 moves downward, increasing the tension. When the load decreases, the belt 3 shortens, and the counterweight 930 moves upward, reducing the tension, so that the belt 3 returns to the appropriate tensioning position, ensuring the smooth operation of the belt conveyor.

[0090] When the belt conveyor stops running, the belt 3 gradually stops running, the tension of the belt 3 gradually decreases, and the tensioning device 9 continues to move downward for a distance and finally stays in a relatively stable position.

[0091] In some embodiments, the tensioning device 9 further includes two second redirecting rollers 940 , which are disposed on both sides of the tensioning roller 920 and respectively contact two surfaces of the belt 3 .

[0092] For example, the belt 3 is sleeved over the drive roller 6 and the transmission roller 7. The portion of the belt 3 sleeved above the horizontal line connecting the centers of the drive roller 6 and the transmission roller 7 is the load-bearing section, while the portion of the belt 3 sleeved below the horizontal line connecting the centers of the drive roller 6 and the transmission roller 7 is the return section. The lower surface of the belt 3 in the return section abuts against the two second redirecting rollers 940, while the upper surface of the belt 3 in the return section abuts against the tensioning roller 920, which is located between the two second redirecting rollers 940. The two second redirecting rollers 940 can help more effectively transmit the tension applied by the tensioning device 9, adjust the conveying path of the belt 3, and improve the stability of the system.

[0093] In some embodiments, the intermediate frame 110 in the embodiment of the present application can be a modular design, including a loading end 130 and a unloading end 140, the loading end 130 and the unloading end 140 are respectively located at the two ends of the intermediate frame 110, and the rest of the intermediate frame 110 is a load-bearing section, and the loading end 130 and the unloading end 140 can be connected at the two ends of the load-bearing section by assembly.

[0094] Please refer to Figure 3 The loading end 130 includes legs 120 of different heights. At the material loading position, the legs 120 are of the same height to facilitate material loading. The legs 120 at the loading end gradually increase in height from the material loading position to the end connected to the load-bearing section, so that the bracket 1 has a certain degree of curvature.

[0095] The supporting legs 120 may be determined based on the terrain. For example, if the belt 3 is low from the ground and the belt 3 and the roller assembly 2 provide sufficient support, the supporting legs 120 may not be required.

[0096] Please see Figure 2 The discharge end 140 includes legs 120 of different heights, extending from one end where the discharge end 140 is connected to the bearing section to the other end of the discharge end 140 , and the height of the legs 120 gradually increases, so that the bracket 1 has a certain curvature.

[0097] Please see Figure 8 The belt 3 is sequentially mounted on the drive roller 6, the tension roller 9, and the transmission roller 7. A first redirecting roller 8 is located below the drive roller 6 and the transmission roller 7. The first redirecting roller 8 contacts the lower surface of the return belt. Second redirecting rollers 940 are located on both sides of the tension roller 9. The second redirecting rollers 940 contact the lower surface of the return belt. The drive roller 6 is located at the discharge end 140, and the transmission roller 7 is located at the loading end 130.

[0098] During operation, the motor, reducer and serpentine coupling drive the driving roller 6 to rotate. The driving roller 6 is in direct contact with the belt 3, and the belt 3 is driven to run through friction. The belt 3 drives the roller assembly 2 and the transmission roller to rotate through friction.

[0099] At the loading end 130, material is loaded into the chute 4. Buffer rollers 213 absorb the impact of the loading, guiding the material onto the belt 3. The pinch rollers directly contact the belt 3, applying pressure to it. The belt 3 then reaches the load-bearing section, where trough rollers 212 support the belt 3, forming a trough. The belt 3 then passes through 20° and 10° rollers, transitioning from a trough to a parallel configuration, and conveys the material to the discharge end. Every tenth set of rollers is equipped with a friction-aligning roller 230 to prevent the belt 3 from deviating.

[0100] After unloading, the belt 3 enters the return path, passing through the spaced-apart inverted V-shaped rollers 221 and lower parallel rollers 222, friction lower centering rollers 240, first bend roller 8, second bend roller 940, and tensioning roller 920, returning to the loading terminal. A set of friction lower centering rollers 240 is installed every six roller sets to prevent the belt 3 from swerving or sagging. The tensioning device 9 automatically adjusts the belt 3's tension using the weight of the counterweight 930.

[0101] The embodiments of the present application can be flexibly arranged according to the terrain, effectively reducing the number of belts and the number of overlaps, greatly reducing labor costs, improving transportation efficiency, and realizing long-distance transportation in complex terrain.

[0102] Finally, it should be noted that those skilled in the art will readily identify other embodiments of the present invention after considering the specification and practicing the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art not disclosed herein. The present invention is not limited to the precise structure described above and illustrated in the accompanying drawings, and various modifications and variations may be made without departing from the scope thereof. The scope of the present invention is limited solely by the appended claims.

Claims

1. A belt conveyor, characterized in that: include: A bracket (1) comprising an intermediate frame (110) and a plurality of legs (120), wherein the legs (120) are sequentially arranged along an extension direction of the intermediate frame (110) and connected to the intermediate frame (110) to support the intermediate frame (110), and the plurality of legs (120) have at least two different heights, so that the extension path of the intermediate frame (110) can be changed by the legs (120) of different heights; A roller assembly (2) is arranged on the intermediate frame (110); A belt (3) is wound around the roller assembly (2); A drive assembly is used to drive the belt (3) to move relative to the roller assembly (2) to transport materials.

2. The belt conveyor according to claim 1, characterized in that: The roller assembly (2) comprises: A plurality of upper roller groups (210) are arranged in sequence along the extension direction of the intermediate frame (110); A plurality of lower roller groups (220) are located below the upper roller group (210), and the plurality of lower roller groups (220) are arranged in sequence along the extension direction of the intermediate frame (110); at least one friction upper centering roller (230) located between two adjacent upper roller groups (210), the friction upper centering roller (230) being configured to contact the belt (3) to correct the deviation of the belt (3); At least one friction lower centering roller (240) is located between two adjacent lower roller groups (220), and the friction lower centering roller (240) is configured to contact the belt (3) to correct the deviation of the belt (3).

3. The belt conveyor according to claim 2, characterized in that: One end of the intermediate frame (110) is a loading end (130), and the other end is a discharging end (140). Among the plurality of upper roller groups (210): The upper roller group (210) adjacent to the feeding end (130) includes a plurality of buffer rollers (213), and the buffer rollers (213) support the belt (3) when the material falls onto the belt (3); The upper roller group (210) adjacent to the discharge end (140) includes a plurality of transition rollers (211); The remaining upper roller groups (210) each include a plurality of trough rollers (212), wherein the trough rollers (212) include a middle roller and side rollers located on both sides of the middle roller, and the side rollers have different inclination angles from the middle roller.

4. The belt conveyor according to claim 3, characterized in that: The intermediate frame (110) is further provided with at least one material guide trough (4) located above the belt (3), the material guide trough (4) being located at the loading end (130), and the material guide trough (4) being configured to collect the material and place it on the belt (3).

5. The belt conveyor according to claim 1, characterized in that: At least one belt pressing wheel (5) is also provided on the bracket (1), and the belt pressing wheel (5) contacts the surface of the belt (3) carrying the material to limit the position of the belt (3).

6. The belt conveyor according to claim 2, characterized in that: The lower roller assembly (220) comprises: At least one inverted V-shaped roller (221), the inverted V-shaped roller (221) comprising at least two side rollers, the side rollers being arranged obliquely to form an inverted V-shaped structure; At least one lower parallel roller (222) is spaced apart from the reverse V roller (221).

7. The belt conveyor according to claim 1, characterized in that: The driving assembly comprises a driving member, a driving roller (6) and a transmission roller (7); the driving member is in transmission connection with the driving roller (6) to drive the driving roller (6) to rotate; the driving roller (6) and the transmission roller (7) are respectively arranged on both sides of the roller assembly (2); the belt (3) is sleeved on the driving roller (6) and the transmission roller (7) and contacts the roller assembly (2).

8. The belt conveyor according to claim 7, characterized in that: At least one first redirecting roller (8) is provided between the driving roller (6) and the transmission roller (7), and the first redirecting roller (8) is configured to squeeze the surface of the belt (3) to adjust the extension path of the belt (3).

9. The belt conveyor according to any one of claims 1 to 8, characterized in that: Also included is the tensioning device (9), which comprises: A guide portion (910) extending along the height direction of the support leg (120); A tensioning roller (920) contacts the belt (3) and is slidably connected to the guide portion (910); A counterweight (930) is connected to the tensioning roller (920), and the counterweight (930) is configured to change the position of the tensioning roller (920) by gravity to adjust the tension of the belt (3).

10. The belt conveyor according to claim 9, characterized in that: The tensioning device (9) further comprises two second redirecting rollers (940), the two second redirecting rollers (940) being arranged on both sides of the tensioning roller (920), and the second redirecting rollers (940) and the tensioning roller (920) being in contact with two surfaces of the belt (3) respectively.

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