阅读说明：本技术 一种皮带机 (Belt conveyor ) 是由 李赛方 姜涛 于 2020-05-14 设计创作，主要内容包括：本申请提供了一种皮带机,包括机座、传送结构、升降机构和传送驱动机构,所述传送结构安装在所述机座上,包括第一传送段、第二传送段和传送皮带,所述第一传送段安装在所述机座的一端,所述第二传送段设置于所述机座的另一端,且与所述第一传送段转动连接,所述传送皮带同时张紧在所述第一传送段和所述第二传送段上；所述升降机构与所述第二传送段连接,并使所述第二传送段远离所述第一传传送段的一端升高或降低；所述传送驱动机构与所述传送皮带连接并驱动所述传送皮带转动。本申请的皮带机的第一传送段和第二传送段共用同一根传送皮带,提高皮带机的传送效率,可降低皮带机的制造成本,使皮带机的结构更加紧凑。(The application provides a belt conveyor, which comprises a machine base, a conveying structure, a lifting mechanism and a conveying driving mechanism, wherein the conveying structure is installed on the machine base and comprises a first conveying section, a second conveying section and a conveying belt; the lifting mechanism is connected with the second conveying section and enables one end, far away from the first conveying section, of the second conveying section to be lifted or lowered; the conveying driving mechanism is connected with the conveying belt and drives the conveying belt to rotate. The first conveying section and the second conveying section of the belt conveyor share the same conveying belt, conveying efficiency of the belt conveyor is improved, manufacturing cost of the belt conveyor can be reduced, and the structure of the belt conveyor is more compact.)

1. A belt conveyor is characterized by comprising a machine base, a conveying structure, a lifting mechanism and a conveying driving mechanism,

the conveying structure is arranged on the base and comprises a first conveying section, a second conveying section and a conveying belt, the first conveying section is arranged at one end of the base, the second conveying section is arranged at the other end of the base and is in rotary connection with the first conveying section, and the conveying belt is simultaneously tensioned on the first conveying section and the second conveying section;

the lifting mechanism is connected with the second conveying section and enables one end, far away from the first conveying section, of the second conveying section to be lifted or lowered;

the conveying driving mechanism is connected with the conveying belt and drives the conveying belt to rotate.

2. The belt conveyor of claim 1, wherein a first side plate is disposed on each side of the second conveying section, the first side plates are connected by a connecting member, a pivot point of the second conveying section is disposed near one end of the first conveying section, and the pivot point is disposed inside the first side plate.

3. The belt conveyor of claim 2, wherein the first conveying section comprises a first roller and a second roller arranged in parallel along the conveying direction of the conveying belt, a third roller is arranged at one end of the second conveying section far away from the first conveying section, a rotating hinge point of the second conveying section is arranged close to the second roller, and the conveying belt is simultaneously tensioned on the first roller, the second roller and the third roller.

4. The belt conveyor of claim 3, wherein the height of the first roller and the ground is 500mm-1200mm, and the included angle theta between the first conveying section and the horizontal plane is 5 degrees-30 degrees.

5. The belt conveyor of claim 3, wherein the conveying driving mechanism comprises a conveying driving motor, a conveying synchronous belt and a first driving roller, the conveying driving motor is connected with the first driving roller through the conveying synchronous belt, and the conveying belt is connected with the first driving roller.

6. The belt conveyor of claim 1, further comprising a telescopic driving mechanism and a belt storage mechanism, wherein the second conveying section comprises a second conveying frame, the second conveying frame comprises a basic arm and a telescopic arm, the telescopic arm is movably connected to the basic arm, the telescopic driving mechanism drives the telescopic arm to extend or retract along the conveying direction of the conveying belt, and the belt storage mechanism enables the conveying belt to be simultaneously tensioned on the first conveying section and the second conveying section.

7. The belt conveyor of claim 6, wherein the base arm includes opposite first side plates, two of the first side plates and a conveyor belt disposed on the first side plates enclose a receiving cavity, and the telescopic arm is slidably connected to the base arm and received in the receiving cavity.

8. The belt conveyor according to claim 7, wherein a linear guide rail is arranged on the inner side of the first side plate, a third side plate is arranged on each of two sides of the telescopic arm, and a guide wheel sliding along the linear guide rail is arranged on the outer side of the third side plate and is abutted against the linear guide rail.

9. The belt conveyor of claim 8, wherein a plurality of guide wheels are arranged on the outer side of the first side plate, and the guide wheels are respectively arranged above and below the linear guide rail.

10. The belt conveyor of claim 6, wherein the telescopic driving mechanism comprises a telescopic driving motor, a telescopic synchronous belt, a second driving roller, a driving gear, a driven gear and a telescopic transmission chain, the driving gear is arranged on the second driving roller, the driven gear and the driving gear are arranged on the same horizontal line on the same side of the belt conveyor, the telescopic synchronous belt is connected with the telescopic driving motor and the second driving roller, the telescopic transmission chain is arranged on the driving gear and the driven gear, and the telescopic transmission chain is connected with the telescopic arm.

11. The belt conveyor of claim 6, wherein the belt storage mechanism comprises a fourth roller and a fifth roller, the fourth roller is arranged at one end of the telescopic arm far away from the third roller, the fifth roller is arranged at one end of the basic arm far away from the first conveying frame, the fourth roller is arranged above the fifth roller, and the conveying belt is tensioned on the surfaces of the fourth roller and the fifth roller in an S shape.

12. The belt conveyor of claim 1, wherein the lifting mechanism is a lead screw module.

Technical Field

The invention relates to the technical field of logistics transmission, in particular to a belt conveyor.

Background

The belt feeder is used comparatively extensively in production water line, and under some complicated scenes, for example the goods is in the loading of co-altitude and the occasion of unloading, mainly still relies on artifical transport, and artifical intensity of labour is very big, and handling efficiency is low. The belt feeder of front end liftable can satisfy the loading and unloading of co-altitude not, and it is very big to reduce artifical intensity of labour, provides handling efficiency.

At present, most belt conveyors with liftable front ends are composed of two parts, namely a horizontal conveying structure with fixed height and a climbing conveying structure with adjustable front end height, wherein the horizontal conveying structure and the climbing conveying structure are designed in a separated mode, the horizontal conveying structure is used for being spliced with a common belt conveyor to increase a conveying area, and one end of the climbing conveying structure extends into a compartment to load and unload goods. In the process of loading or unloading goods, the included angle between the climbing conveying structure and the splicing part of the horizontal conveying structure is changed when the climbing conveying structure ascends or descends, so that the goods are clamped at the splicing part easily. Meanwhile, because the joint of the climbing conveying structure and the horizontal conveying structure is designed in a separated mode, a conveying belt and a driving device are required to be independently arranged on the horizontal conveying structure and the climbing conveying structure, and the belt conveyor is high in manufacturing cost and large in size.

Disclosure of Invention

The embodiment of the application provides a belt feeder solves the technical problems that the climbing conveying structure and the horizontal conveying structure of the belt feeder with the liftable front end are easy to clamp at the joint, the manufacturing cost of the belt feeder is high, and the structure is not compact.

The embodiment of the application provides a belt conveyor, which comprises a machine base, a conveying structure, a lifting mechanism and a conveying driving mechanism,

the conveying structure is arranged on the base and comprises a first conveying section, a second conveying section and a conveying belt, the first conveying section is arranged at one end of the base, the second conveying section is arranged at the other end of the base and is in rotary connection with the first conveying section, and the conveying belt is simultaneously tensioned on the first conveying section and the second conveying section;

the lifting mechanism is connected with the second conveying section and enables one end, far away from the first conveying section, of the second conveying section to be lifted or lowered;

the conveying driving mechanism is connected with the conveying belt and drives the conveying belt to rotate.

In some embodiments of the present application, two first side plates are respectively disposed on two sides of the second transmission section, the two first side plates are connected through a connecting piece, a rotation hinge point of the second transmission section is disposed near one end of the first transmission section, and the rotation hinge point is disposed inside the first side plate.

In some embodiments of the present application, the first conveying section includes a first roller and a second roller arranged in parallel along the conveying direction of the conveying belt, a third roller is arranged at one end of the second conveying section far away from the first conveying section, a rotation hinge point of the second conveying section is arranged near the second roller, and the conveying belt is simultaneously tensioned on the first roller, the second roller and the third roller.

In some embodiments of the present application, the height of the first roller from the ground is 500mm-1200mm, and the angle θ between the first conveying section and the horizontal plane is 5 degrees to 30 degrees.

In some embodiments of the present application, the transmission driving mechanism includes a transmission driving motor, a transmission synchronous belt and a first driving roller, the transmission driving motor is connected with the first driving roller through the transmission synchronous belt, and the transmission belt is connected with the first driving roller.

In some embodiments of this application, the belt feeder still includes flexible actuating mechanism and storage belt mechanism, the second conveying section includes second conveying frame, second conveying frame includes basic arm and flexible arm, flexible arm swing joint in basic arm, flexible actuating mechanism drive flexible arm is followed conveyer's direction of transfer stretches out or retracts, storage belt mechanism makes conveyer tensioning in first conveying section and the second conveying section all the time simultaneously.

In some embodiments of the present application, the base arm includes the first side plates disposed opposite to each other, two of the first side plates and the conveyor belt disposed on the first side plates enclose and form an accommodating cavity, and the telescopic arm is slidably connected to the base arm and is accommodated in the accommodating cavity.

In some embodiments of the present application, a linear guide rail is disposed inside the first side plate, a third side plate is disposed on each of two sides of the telescopic arm, and a guide wheel sliding along the linear guide rail is disposed outside the third side plate and abuts against the linear guide rail.

In some embodiments of the present application, a plurality of guide wheels are disposed on an outer side of the first side plate, and the plurality of guide wheels are disposed above and below the linear guide rail, respectively.

In some embodiments of this application, flexible actuating mechanism includes flexible driving motor, flexible hold-in range, second initiative roller, driving gear, driven gear and flexible drive chain, the driving gear sets up on second initiative roller, driven gear with the driving gear sets up the belt feeder is with on the same water flat line of one side, flexible hold-in range is connected flexible driving motor with second initiative roller, flexible drive chain set up in the driving gear with on the driven gear, flexible drive chain with flexible arm is connected.

In some embodiments of the present application, the belt storage mechanism includes a fourth roller and a fifth roller, the fourth roller is disposed at one end of the telescopic arm far away from the third roller, the fifth roller is disposed at one end of the basic arm far away from the first conveying frame, the fourth roller is disposed above the fifth roller, and the conveying belt is tensioned in an "S" shape on the surfaces of the fourth roller and the fifth roller.

In some embodiments of the present application, the lifting mechanism is a lead screw module.

The embodiment of the application provides a belt feeder, with the conveying structure design for a first conveying section and a second conveying section that can the tilting, same conveyer tensioning is on first conveying section and second conveying section simultaneously, even the second conveying section is ascending or descending the angle of in-process and first conveying section and takes place great change, can not produce the fastener problem yet, improves the conveying efficiency of belt feeder. Simultaneously, the same conveying belt is shared to first conveying section and the second conveying section of this application, only needs to use a conveying belt drive arrangement to drive, can reduce the manufacturing cost of belt feeder, makes the structure of belt feeder compacter.

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 will be briefly introduced below, and it is obvious that the drawings in the following description are only 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 view of a belt conveyor provided in an embodiment of the present application;

FIG. 2 is an enlarged internal view of the belt conveyor A of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the belt conveyor 1;

fig. 4 is a front view of the belt conveyor 1 with side plates removed.

A base 100; a transfer structure 200; a first transfer section 210; a second transfer segment 220; a first side panel 2221; a connecting rod 250; a rotating shaft 240; a guide roller 260; the lugs 2222; a first roller 211; a second roller 212; a third roller 221; a second side plate 213; a base arm 222; a telescopic arm 223; a receiving cavity 224; a transfer belt 230; a lifting mechanism 300; a hand-operated turntable 301; a lead screw 302; a slider 303; a telescopic guide shaft 304; a conveyance drive mechanism 400; a conveyance drive motor 401; a conveying timing belt 402; a first driving roller 403; a telescopic driving mechanism 500; a telescopic driving motor 501; a telescopic synchronous belt 502; a second active roller 503; a drive gear 504; a driven gear 505; a tape storage mechanism 600; a fourth roller 601; a fifth roller 602.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

The embodiments of the present application provide a belt conveyor, which will be described in detail below.

Referring to fig. 1 and 4, an embodiment of the present invention provides a belt conveyor, including a base 100, a conveying structure 200, a lifting mechanism 300, and a conveying driving mechanism 400. The transfer structure 200 is mounted on the housing 100. The conveying structure 200 includes a first conveying segment 210, a second conveying segment 220, and a conveyor belt 230. The first conveying segment 210 is installed at one end of the base 100, the second conveying segment 220 is located at the other end of the base 100 and is rotatably connected with the first conveying segment 210, and the conveying belt 230 is simultaneously tensioned on the first conveying segment 210 and the second conveying segment 220. The lifting mechanism 300 is connected to the second transfer segment 220 and raises or lowers the end of the second transfer segment 220 away from the first transfer segment 210. The transfer driving mechanism 400 is connected to the transfer belt 230 and drives the transfer belt to rotate. Specifically, the first conveying section 210 and the second conveying section 220 are both climbing conveying sections with a certain inclination angle, and because the first conveying section 210 and the second conveying section 220 share one conveying belt 230, in the ascending or descending process of the second conveying section 220, even if the angle of the joint of the second conveying section 220 and the first conveying section 210 changes in a large range, the problem of clamping of the joint of the first conveying section 210 and the second conveying section 220 cannot occur, and the conveying efficiency of the belt conveyor can be improved. Meanwhile, since the first conveying section 210 and the second conveying section 220 share the same conveying belt 230, only one conveying belt driving device 400 is needed for driving, so that the manufacturing cost of the belt conveyor can be reduced, and the structure of the belt conveyor is simpler and more compact.

Referring to fig. 1, 3 and 4, in some embodiments of the present application, two first side plates 2221 are respectively disposed at two sides of the second transmission section 220, the two first side plates 2221 are connected by a connector, a rotation hinge point of the second transmission section 220 is disposed near one end of the first transmission section 210, and the rotation hinge point is disposed at an inner side of the first side plate 2221. Specifically, the first side plates 2221 at both sides of the second transmission section 220 are connected by a plurality of connecting rods 250 arranged in parallel, a rotating shaft 240 is arranged on the right side of the first transmission section 210, both ends of the rotating shaft 240 are fixed on the base 100 by bearing seats symmetrically arranged on the base 100, a pair of lugs 2222 are symmetrically arranged inside one end of the two first side plates 2221 close to the first transmission section 210, openings are arranged on the lugs 2222, and both ends of the rotating shaft 240 pass through the openings of the lugs 2222, so that the second transmission section 220 can rotate up and down around the rotating shaft 240. In this embodiment, the rotation hinge point of the second transmission section 220 is arranged in the first side plate 2221, so that the inner space of the belt conveyor is fully utilized, the size of the belt conveyor is further reduced, and the belt conveyor is more attractive and tidy in vision. Meanwhile, the built-in rotary hinge point reduces the probability of dust particle pollution, avoids impact collision of foreign objects, can prolong the service life of parts such as bearings and the like, and reduces potential safety hazards caused by misoperation of operators.

In some embodiments of the present application, the first conveying section 210 includes a first roller 211 and a second roller 212 arranged in parallel along the conveying direction of the conveying belt 230, the second roller 212 is arranged above the first roller 211, the end of the second conveying section 220 away from the first conveying section 210 is provided with a third roller 221, the pivot hinge point of the second conveying section 220 is arranged close to the second roller 212, and the conveying belt 230 is simultaneously tensioned on the first roller 211, the second roller 212 and the third roller 221. Specifically, the first conveying section 210 is symmetrically provided with a second side plate 213 at each side, the second side plate 213 is fixedly connected to the machine base 100, the first roller 211 and the second roller 212 are respectively fixedly mounted on the second side plate 213 through a bearing seat, and the second roller 212 is arranged above the first roller 211. In other embodiments of the present invention, the first roller 211 and the second roller 212 may be directly fixed to the machine base 100 through a bearing housing. In the embodiment of the application, the first roller 211 and the second roller 212 are both fixedly arranged, and the second roller 212 is arranged above the first roller 211, so that the first conveying section 210 has a fixed inclination angle, when the belt conveyor is spliced with other belt conveyors, for example, the conveying area is increased by splicing with a standard horizontal belt conveyor, the angle of the spliced part is fixed, the angle change of the spliced part caused by the rising or falling of one end of the second conveying section 220 is avoided, and the frequency of belt conveyor clamping pieces can be reduced. The arrangement of the first, second and third rollers 211, 212, 221 in the conveying direction of the conveyor belt 230 facilitates the movement of the conveyor belt 230 over the first and second conveying flights 210, 220 while simultaneously tensioning the conveyor belt to the first and second conveying flights 210, 220.

In some embodiments of the present application, the height of the first roller 211 is 500mm-1200mm from the ground, and the angle θ between the first conveying section 210 and the horizontal plane is 5 degrees to 30 degrees. Specifically, the height of the first roller 211 and the ground is set to be 800mm, so that the first roller can be conveniently spliced with a common standard belt conveyor, and the conveying length is increased. The contained angle theta of first conveying section 210 and horizontal plane is 5 degrees to 30 degrees and can make the belt feeder in this application when splicing with ordinary belt feeder, is difficult for taking place fastener phenomenon in the concatenation department. Through a plurality of tests of the inventor, the included angle theta between the first conveying section 210 and the horizontal plane is 16 degrees, so that the clamping frequency of the belt conveyor can be greatly reduced at the splicing position when the belt conveyor is spliced with a common belt conveyor.

Referring to fig. 4, in some embodiments of the present application, the conveying driving mechanism 400 includes a conveying driving motor 401, a conveying timing belt 402 and a first driving roller 403, the conveying driving motor 401 is connected to the first driving roller 403 through the conveying timing belt, and the conveying belt 230 is connected to the first driving roller 403. Specifically, the transmission driving motor 401 and the first driving roller 403 are closely adjacent to each other and mounted on the machine base 100, the first driving roller 403 is connected with a power output end of the transmission driving motor 401 through a transmission synchronous belt 402, the transmission belt 230 is simultaneously tensioned on the first driving roller 403, the first roller 211, the second roller 212 and the third roller 221, the transmission driving motor 401 outputs power, and the transmission belt 230 is driven to rotate by the first driving roller 403 driven by the synchronous belt 402.

In some embodiments of the present application, the belt conveyor further includes a telescopic driving mechanism 500 and a belt storage mechanism 600, the second conveying section includes a second conveying frame, the second conveying frame includes a base arm 222 and a telescopic arm 223, the telescopic arm 223 is movably connected to the base arm 223, the telescopic driving mechanism 500 drives the telescopic arm 223 to extend or retract along the conveying direction of the conveying belt 230, and the belt storage mechanism 600 enables the conveying belt 230 to be tensioned on the first conveying section 210 and the second conveying section 220 at the same time. Specifically, the base arm 222 includes a pair of first side plates 2221, two first side plates 2221 and the transmission belt 230 disposed on the first side plates 2221 enclose a receiving cavity 224, and the telescopic arm is slidably connected to the base arm 222 and can be received in the receiving cavity 224. The third roller 221 is disposed at an end of the telescopic arm 223 far from the base arm 222, and the lifting mechanism 300 is connected to a bottom of the base arm 222. In this embodiment, the second conveying frame is designed to be a telescopic structure, and the length of the second conveying section 220 can be adjusted as required, so that the belt conveyor is more compact in structure and more flexible to use, and can be suitable for more loading and unloading scenes. In some embodiments of the present disclosure, a linear guide 2223 is disposed on an inner side of the first side plate 2221, a third side plate 2231 is disposed on each of two sides of the telescopic arm 223, a sliding guide wheel 2232 matched with the linear guide 2223 is disposed on an outer side of the third side plate 2231, and the guide wheel 2232 abuts against the linear guide 2223. Specifically, the outer side of the second side plate 2231 is provided with 3 guide wheels, and the 3 guide wheels are respectively arranged above and below the linear guide rail. In the embodiment of the present application, the linear guide and the plurality of guide wheels disposed up and down are disposed on the inner side of the first side plate 2221, so that the telescopic arm 223 can slide along the linear guide in the base arm 222, and the sliding is more stable.

Referring to fig. 4, in some embodiments of the present application, the telescopic driving mechanism 500 includes a telescopic driving motor 501, a telescopic timing belt 502, a second driving roller 503, a driving gear 504, a driven gear 505, and a telescopic transmission chain (not shown). The driving gear 504 is arranged on a second driving roller 503, the driven gear 505 and the driving gear 504 are arranged on the same horizontal line of the same side of the belt conveyor, the telescopic synchronous belt 502 is connected with a telescopic driving motor 501 and the second driving roller 503, the telescopic driving chain is arranged on the driving gear 504 and the driven gear 505, the telescopic driving chain is connected with the telescopic arm 223, the telescopic driving motor 501 drives the second driving roller 503 to rotate through the telescopic synchronous belt 502, so that the driving gear 504 arranged on the driving roller 503 synchronously rotates, the driving gear 504 drives the telescopic driving chain and the driven gear 504 to rotate, and the telescopic arm 223 is driven to extend or retract through the forward and reverse rotation of the telescopic driving chain. Specifically, the telescopic driving mechanism 500 is installed on the machine base 100 and is disposed at the left side of the first driving roller 403, the second driving roller 503 is fixed at one end of the machine base 100 close to the first transmission section 210 through a bearing seat, the driven gear 505 is disposed at one end of the base arm 222 far from the first transmission section 210, and the telescopic transmission chain is connected with the telescopic arm 223 through a connecting block (not shown in the figure). The power output end of the telescopic driving motor 501 is connected with the second driving roller 503 through a telescopic synchronous belt 502, the telescopic driving motor 501 drives the second driving roller 503 to rotate through the synchronous belt, so as to drive the driving gear 504 arranged on the second driving roller 503 to rotate, so as to drive the telescopic transmission chain to reciprocate between the driving gear 504 and the driven gear 505, and the telescopic transmission chain drives the telescopic arm 223 to slide in the basic arm 222 through the connecting block.

In some embodiments of the present application, the belt storage mechanism 600 includes a fourth roller 601 and a fifth roller 602, the fourth roller 601 is disposed at an end of the telescopic arm 223 far away from the third roller 221, the fifth roller 602 is disposed at an end of the basic arm 222 far away from the first transmission frame 210, the fourth roller 601 is disposed above the fifth roller 602, the transmission belt 230 sequentially forms a closed structure around the first roller 211, the second roller 212, the third roller 221, the fourth roller 601, the fifth roller 602, the first driving roller 403 and the first roller 211, and the transmission belt 230 is tensioned on surfaces of the fourth roller 601 and the fifth roller 602 in an "S" shape. In this embodiment, since the fourth roller 601 is disposed on the slidable telescopic arm 223, the sliding stroke of the fourth roller 601 is the same as that of the telescopic arm 223, so that the tension of the belt 230 can be maintained during the telescopic arm 223. In other embodiments of the present application, the belt storage mechanism 600 may also be other structures with similar functions, as long as it is satisfied that when the telescopic arm 223 extends forward for a certain distance, the belt storage mechanism 600 synchronously releases the conveyor belt 230 with a corresponding length, and when the telescopic arm 223 retracts backward for a certain distance, the belt storage mechanism 600 synchronously receives the conveyor belt 230 with a corresponding length, so that the conveyor belt 230 is always kept in a tensioned state during the extension and retraction of the telescopic arm 223.

Referring to fig. 1, in the embodiment of the present application, the lifting mechanism is a screw module. Specifically, the lifting mechanism 300 is a hand-operated screw rod module, and comprises a hand-operated rotary plate 301, a screw rod 302, a slide block 303 and a telescopic guide shaft 304, wherein the hand-operated rotary plate 301 penetrates through the screw rod 302 and is fixed on the screw rod, and the screw rod 302 can be driven to rotate by rotating the hand-operated rotary plate 301. The lead screw 302 is symmetrically provided with a slide block 303, two ends of the slide block 303 above the hand-operated rotary disc 301 are provided with extending parts hinged with the basic arm 222, and the slide block 303 is in threaded connection with the lead screw 302. The telescopic guide shafts 303 are symmetrically arranged on two sides of one end, away from the first transmission section 210, of the base 100, one ends of the telescopic guide shafts 303 are hinged to the base 100, and the other ends of the telescopic guide shafts 303 are fixedly connected with two ends of the sliding blocks 303. When the screw 302 rotates, the slider 303 can reciprocate along the screw 302, and the telescopic guide shaft 303 extends or retracts under the driving of the slider 303, so that the second conveying section 220 is lifted or lowered. Elevating system 300 adopts hand lead screw module more to be convenient for maintain and maintain in this embodiment, and hand lead screw module is lower to service environment's requirement. In other embodiments of the present invention, the lifting mechanism 300 may also be a lifting cylinder.

In the embodiment of the present application, the belt conveyor further includes a belt supporting plate disposed below the conveying belt 230. The belt supporting plate is arranged below the conveying belt, so that the conveying belt can be tightly attached to the belt supporting plate, and the conveying belt cannot deform due to the self gravity and/or the gravity of goods conveyed on the conveying belt.

In the present embodiment, the belt conveyor further includes a plurality of guide rollers 260 disposed along the conveying direction of the conveyor belt. The transmission direction that can support or change conveyer along conveyer's direction of transfer sets up a plurality of guide rolls, makes conveyer's line of walking more nimble, and the rate of tension is better.

In the embodiment of the application, a plurality of groups of sliding rollers 101 are symmetrically arranged on two sides of the bottom of the machine base 100, so that the belt conveyor can move conveniently.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.

In a specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as one or several entities, and the specific implementation of each unit or structure may refer to the foregoing embodiments, which are not described herein again.

The above detailed description is provided for a belt conveyor provided by the embodiment of the present invention, and a specific example is applied in the description to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.