Transmission drum structure of belt conveyor

Abstract

The utility model discloses a belt conveyor transmission drum structure which comprises a supporting frame, rotating drums are arranged on the two sides in the supporting frame, rotating shafts are installed at the two ends of each rotating drum, a first rolling bearing is installed at one end of each rotating shaft, a conveying belt is arranged on the inner side of the supporting frame, and a diameter adjusting mechanism is installed on the supporting frame. A tightness adjusting mechanism is mounted on the support frame; the diameter adjusting mechanism comprises a fixing column and an adjusting cylinder; the tightness adjusting mechanism comprises a lifting roller and a lifting frame. The conveying device has the advantages that the adjusting barrels are placed on one side of the rotating barrel, when the size of the roller needs to be changed, the adjusting barrels can be directly arranged on the outer side of the rotating barrel in a sleeving mode, the rotating barrel and the conveying belt do not need to be detached, the diameter of the roller can be rapidly adjusted, work efficiency is improved, the lifting roller can be driven to move up and down through the lifting frame, and the conveying device is convenient to use. Therefore, the tightness degree of the conveying belt can be adjusted, and the diameter of the roller can be adjusted conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conveyor equipment more particularly, relate to a belt conveyor drive cylinder structure. BACKGROUND

[0002] The belt conveyor adjusts the roller diameter and has important significance in many aspects, mainly including the influence on the tension of the conveying belt, the conveying efficiency, the energy consumption and the stability of the equipment, when the roller diameter increases, the bending stress required for the conveying belt to pass through the roller decreases, thereby reducing the tension of the conveying belt, the smaller tension helps to reduce the wear and tear and the risk of breakage of the conveying belt, prolongs the service life, and can also improve the conveying efficiency, reduce the energy consumption and improve the stability.

[0003] In the prior art, for example, the patent number is CN202220872398.8, and the patent name is a belt conveyor drive cylinder device, when adjusting the roller diameter, the fastener, the roller and the like need to be disassembled, and then a new roller is replaced, thereby affecting the work efficiency and being inconvenient to use.

[0004] It should be noted that the above content belongs to the technical cognition range of the inventor and does not necessarily constitute the prior art. INVENTION CONTENTS

[0005] The utility model aims at solving the above -mentioned problem, designs a belt conveyor drive cylinder structure.

[0006] The technical scheme of the utility model for realizing the above-mentioned purpose is a belt conveyor drive cylinder structure, which comprises a support frame, rotating cylinders are arranged on both sides in the support frame, rotating shafts are installed at both ends of the rotating cylinders, first rolling bearings are installed at one end of the rotating shafts, the first rolling bearings are installed on the inner side of the support frame, a conveying belt is arranged on the inner side of the support frame, the conveying belt is sleeved on the outer sides of the two rotating cylinders, a diameter adjusting mechanism is installed on the support frame, and a tension adjusting mechanism is installed on the support frame.

[0007] The diameter adjusting mechanism comprises fixed columns at both ends of the support frame, the fixed columns are located on one side of the rotating cylinders, a plurality of adjusting cylinders are sleeved on the outer sides of the fixed columns, the diameters of the plurality of adjusting cylinders are different, and the adjusting cylinders can be moved to the outer sides of the rotating cylinders.

[0008] The tension adjusting mechanism comprises a lifting cylinder located below the middle position of the support frame, the lifting cylinder is located on the inner side of the conveying belt, a lifting frame is installed on the upper end of the lifting cylinder, and the lifting frame is installed on the support frame.

[0009] Further, the adjusting cylinder comprises a circular cylinder body, a plurality of support plates are installed on the inner side of the circular cylinder body, and the support plates are uniformly distributed in a circle on the inner side of the circular cylinder body.

[0010] Further, one side of the rotating cylinder is provided with a baffle plate mounted on the rotating shaft, a plurality of first connecting holes are opened on the baffle plate, a plurality of first threaded holes are opened on one end of the circular cylinder body, the baffle plate and the circular cylinder body can be connected through bolts, a plurality of connecting plates are mounted on the other end of the circular cylinder body, second connecting holes are opened on the connecting plates, a plurality of second threaded holes are opened on the rotating shaft of the other side of the rotating cylinder, and the connecting plates and the rotating shaft can be connected through bolts.

[0011] Further, the lifting frame comprises electric telescopic rods mounted on both sides of the lower end of the supporting frame, connecting rods are mounted on the telescopic ends of the electric telescopic rods, second rolling bearings are mounted on the inner sides of the connecting rods, and the lifting rollers are extended into the second rolling bearings.

[0012] Further, the connecting rod comprises a fixed rod mounted on the telescopic end of the electric telescopic rod, a connecting groove is opened on the lower end of the fixed rod, a lifting rod is arranged in the connecting groove, the lifting rod and the inner side surface of the connecting groove are connected through a telescopic spring, and the second rolling bearing is mounted on the inner side surface of the lifting rod.

[0013] The beneficial effects of the novel structure are as follows: a plurality of adjusting cylinders are placed on one side of the rotating cylinder, the adjusting cylinder can be directly sleeved on the outer side of the rotating cylinder when the size of the roller needs to be changed, the rotating cylinder and the conveying belt do not need to be disassembled, the diameter of the roller can be quickly adjusted, the working efficiency is improved, the lifting roller can be driven to move up and down through the lifting frame, the tightness of the conveying belt can be adjusted, and the diameter of the roller is convenient to adjust.

[0014] The telescopic spring can move the lifting rod downward, so that the conveying belt can be tightly supported, and the transmission efficiency is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the belt conveyor transmission roller structure of the novel structure.

[0016] Figure 2 is Figure 1 is an enlarged view of part A in the figure.

[0017] Figure 3 is a sectional view of the belt conveyor transmission roller structure in a side view direction.

[0018] Figure 4 is Figure 3 is an enlarged view of part B in the figure.

[0019] Figure 5 is a connection relationship schematic view of the lifting roller and the connecting rod.

[0020] In the figure, 1, support frame; 2, rotating cylinder; 3, rotating shaft; 4, first rolling bearing; 5, conveying belt; 6, fixed column; 7, adjusting cylinder; 8, lifting roller; 9, lifting frame; 10, circular cylinder; 11, support plate; 12, baffle; 13, first connecting hole; 14, first threaded hole; 15, connecting plate; 16, second connecting hole; 17, second threaded hole; 18, electric telescopic rod; 19, connecting rod; 20, second rolling bearing; 21, fixed rod; 22, connecting groove; 23, lifting rod; 24, telescopic spring. DETAILED DESCRIPTION

[0021] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0022] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, in the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0023] The present application provides a belt conveyor drive roller structure as shown in Figures 1-5 The present application provides a belt conveyor drive roller structure as shown in

[0024] The process of adjusting the diameter of the roller is as follows: normally, the lifting frame 9 pushes the lifting roller 8 downward, the conveying belt 5 can be tensioned through the lifting roller 8 and the two rotating cylinders 2, and the rotating cylinder 2 can be driven to rotate through the external driving device; when it is necessary to increase the diameter of the rotating cylinder 2, the driving device is first closed, then the lifting roller 8 is pulled upward by the lifting frame 9, the conveying belt 5 is loosened, the staff moves the adjusting cylinder 7 of the corresponding size to the outside of the rotating cylinder 2, thereby increasing the diameter of the rotating cylinder 2, and then the lifting roller 8 is pushed downward by the lifting frame 9, thereby tensioning the conveying belt 5.

[0025] With reference to the accompanying drawings Figure 1 , the accompanying drawings Figure 3 and the accompanying drawings Figure 4 of the specification, the adjusting cylinder 7 comprises a circular cylinder body 10, a plurality of support plates 11 are installed on the inner side of the circular cylinder body 10, the support plates 11 are uniformly distributed on the inner side of the circular cylinder body 10, the circular cylinder body 10 is sleeved on the outside of the rotating cylinder 2, and the circular cylinder body 10 can be supported through the support plates 11; when one circular cylinder body 10 is not enough, a second circular cylinder body 10 can be sleeved on the outside of the first circular cylinder body 10 and supported through the support plates 11; in this way, a plurality of circular cylinder bodies 10 can be sleeved to adjust the outer diameter of the rotating cylinder 2.

[0026] With reference to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 of the specification, the rotating cylinder 2 is provided with a baffle 12 installed on the rotating shaft 3, a plurality of first connecting holes 13 are formed on the baffle 12, a plurality of first threaded holes 14 are formed on one end of the circular cylinder body 10, the baffle 12 and the circular cylinder body 10 can be connected through bolts, a plurality of connecting plates 15 are installed on the other end of the circular cylinder body 10, a plurality of second connecting holes 16 are formed on the connecting plates 15, a plurality of second threaded holes 17 are formed on the rotating shaft 3 on the other side of the rotating cylinder 2, the connecting plates 15 and the rotating shaft 3 can be connected through bolts, the circular cylinder body 10 is sleeved on the outside of the rotating cylinder 2, one end of the circular cylinder body 10 is abutted against the baffle 12, one end of the bolt is connected with the first threaded hole 14 through the first connecting hole 13, the connecting plate 15 is moved above the second threaded hole 17, and then one end of the bolt is connected with the second threaded hole 17 through the second connecting hole 16, thereby the circular cylinder body 10 is installed on the rotating shaft 3, and the circular cylinder body 10 can be driven to rotate when the rotating shaft 3 rotates.

[0027] With reference to the accompanying drawings Figure 3 of the specification, the lifting frame 9 comprises electric telescopic rods 18 installed on both sides of the lower end of the support frame 1, connecting rods 19 are installed on the telescopic ends of the electric telescopic rods 18, second rolling bearings 20 are installed on the inner sides of the connecting rods 19, and the two ends of the lifting roller 8 extend into the second rolling bearings 20;

[0028] The height adjustment process of the lifting frame 9 to the lifting roller 8 is as follows: the electric telescopic rod 18 is started to extend or shorten, and then the connecting rod 19, the second rolling bearing 20 and the lifting roller 8 are driven to move up and down.

[0029] Referring to the description of the accompanying drawings Figure 3 and the accompanying drawings of the description Figure 5 The connecting rod 19 comprises a fixed rod 21 installed at the telescopic end of the electric telescopic rod 18, the lower end of the fixed rod 21 is provided with a connecting groove 22, the lifting rod 23 is arranged in the connecting groove 22, the lifting rod 23 and the inner side surface of the connecting groove 22 are connected through the telescopic spring 24, the second rolling bearing 20 is installed at the inner side surface of the lifting rod 23, the electric telescopic rod 18 is started to extend, so that the fixed rod 21 and the lifting rod 23 move downwards, when the lifting roller 8 contacts the conveying belt 5, the telescopic spring 24 is compressed, and then the conveying belt 5 is tightly stretched under the elastic force of the telescopic spring 24.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A belt conveyor drive drum structure, comprising a support frame (1), wherein rotating drums (2) are provided on both sides of the support frame (1), rotating shafts (3) are installed at both ends of the rotating drums (2), a first rolling bearing (4) is installed at one end of the rotating shafts (3), the first rolling bearing (4) is installed inside the support frame (1), a conveyor belt (5) is provided inside the support frame (1), and the conveyor belt (5) is fitted around the outside of the two rotating drums (2), characterized in that, A diameter adjustment mechanism is installed on the support frame (1), and a tension adjustment mechanism is installed on the support frame (1); The diameter adjustment mechanism includes fixed columns (6) at both ends of the support frame (1). The fixed columns (6) are located on one side of the rotating cylinder (2). Multiple adjustment cylinders (7) are fitted on the outside of the fixed columns (6). The multiple adjustment cylinders (7) have different diameters. The adjustment cylinders (7) can be moved to the outside of the rotating cylinder (2). The tension adjustment mechanism includes a lifting roller (8) located below the middle position of the support frame (1). The lifting roller (8) is located inside the conveyor belt (5). A lifting frame (9) is installed on the upper end of the lifting roller (8). The upper end of the lifting frame (9) is installed on the support frame (1).

2. The belt conveyor drive roller structure according to claim 1, characterized in that, The regulating cylinder (7) includes a circular cylinder (10), and a plurality of support plates (11) are installed on the inner side of the circular cylinder (10). The support plates (11) are evenly distributed circumferentially on the inner side of the circular cylinder (10).

3. The belt conveyor drive roller structure according to claim 2, characterized in that, The rotating cylinder (2) has a baffle (12) installed on the rotating shaft (3) on one side. The baffle (12) has multiple first connecting holes (13). The circular cylinder (10) has multiple first threaded holes (14) at one end. The baffle (12) and the circular cylinder (10) can be connected by bolts. The circular cylinder (10) has multiple connecting plates (15) installed at the other end. The connecting plates (15) have second connecting holes (16). The rotating shaft (3) on the other side of the rotating cylinder (2) has multiple second threaded holes (17). The connecting plates (15) and the rotating shaft (3) can be connected by bolts.

4. The belt conveyor drive roller structure according to claim 1, characterized in that, The lifting frame (9) includes electric telescopic rods (18) installed on both sides of the lower end of the support frame (1). The telescopic ends of the electric telescopic rods (18) are equipped with connecting rods (19). The inner side of the connecting rods (19) is equipped with a second rolling bearing (20). Both ends of the lifting roller (8) extend into the second rolling bearing (20).

5. The belt conveyor drive roller structure according to claim 4, characterized in that, The connecting rod (19) includes a fixed rod (21) installed at the telescopic end of the electric telescopic rod (18). The lower end of the fixed rod (21) has a connecting groove (22). A lifting rod (23) is provided in the connecting groove (22). The lifting rod (23) and the inner surface of the connecting groove (22) are connected by a telescopic spring (24). The second rolling bearing (20) is installed on the inner surface of the lifting rod (23).

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