Integrated cleaning spiral tensioning device for tail of reversible belt conveyor

Abstract

The utility model belongs to the technical field of belt conveyors, and particularly discloses a reversible belt conveyor tail integrated sweeping spiral tensioning device which comprises a spiral tensioning mechanism and an H-shaped sweeper. The spiral tensioning mechanism comprises a sliding frame, a bearing seat, a nut, a tensioning screw rod and a limiting baffle plate; a baffle is fixedly installed on the outer wall of the end, close to the belt conveyor tail rack, of the sliding frame, and a limiting baffle is fixed to the belt conveyor tail rack. A sweeper installation frame is fixedly installed at the lower end of the outer wall of the sliding frame, the two ends of an installation shaft of an H-shaped sweeper are fixed to the sweeper installation frame, the H-shaped sweeper is located below transverse frames on the two sides of a tail rack of the belt conveyor, and the front end of a scraper of the H-shaped sweeper makes contact with the periphery of a tail roller. Compared with the prior art, the sweeper and the spiral tensioning device are integrated, the sweeper can move along with the roller in the tensioning adjusting process of the tail roller of the belt conveyor, and it is guaranteed that the sweeper can sweep the tail roller all the time.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to an integrated cleaning spiral tensioning device at the tail of a reversible belt conveyor. Background Art

[0002] The belt conveyor tensioning device is an important component of the belt conveyor. It ensures that there is sufficient friction between the belt and the transmission roller, reduces the resistance caused by the sagging of the belt between the roller groups, prevents the belt from running off track, and ensures the stable operation of the belt conveyor. At present, most belt conveyors adopt the tail spiral tensioning method. Most of the existing tail spiral tensioning devices use spiral tensioning devices. For reversible belt conveyors, the tail roller needs to be moved toward the tail to tighten the belt. Since the belt conveyor can rotate forward and reverse, a sweeper is also required at the tail of the belt conveyor, but the existing spiral tensioning device cannot be installed with a sweeper. If the sweeper is directly installed on the frame at the tail of the belt conveyor, the position of the sweeper also needs to be reinstalled after adjusting the tail roller, which is time-consuming and labor-intensive. Summary of the invention

[0003] The utility model aims to provide an integrated cleaning spiral tensioning device at the tail of a reversible belt conveyor.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented according to the following technical scheme:

[0005] The rear end of the belt conveyor is fixed with a nut mounting block, the nut mounting block is located in the channel steel, and a nut is fixedly installed in the nut mounting block, the front end of the tensioning screw is threadedly installed in the nut, and the rear end of the tensioning screw is rotatably installed in a circular hole provided in the center of a limit baffle, and the limit baffle is fixed on the rear frame of the belt conveyor; a sweeper mounting frame is fixedly installed on the lower end of the outer wall of the slide, and both ends of the mounting shaft of the H-type sweeper are fixed on the sweeper mounting frame, the H-type sweeper is located below the cross frames on both sides of the rear frame of the belt conveyor, and the front end of the scraper of the H-type sweeper contacts the outer periphery of the tail roller.

[0006] Furthermore, the slide includes an I-shaped channel steel and a horizontal plate fixed to the bottom of the I-shaped channel steel, a pad is fixed to the lower end surface of the I-shaped channel steel, the nut mounting block is fixed to the upper end surface of the horizontal plate, and the upper end surface of the nut mounting block is located below the lower end surface of the pad.

[0007] Furthermore, the limit baffle includes an upper clamping plate and a lower clamping plate, which are symmetrically arranged and mounted on the outer side of the tail frame of the belt conveyor by bolts. Semicircular grooves are respectively provided on the opposite surfaces of the upper clamping plate and the lower clamping plate, and a circular hole is formed by the two semicircular grooves. A limit annular groove is provided at the rear end of the tensioning screw in the circular hole, and the upper clamping plate and the lower clamping plate are clamped in the limit annular groove.

[0008] Compared with the prior art, the utility model integrates the sweeper with the spiral tensioning device. During the adjustment and tensioning process of the tail roller of the belt conveyor, the sweeper can move together with the roller, ensuring that the sweeper can always clean the tail roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 for Figure 1 Side view of.

[0011] Figure 3 Schematic diagram of an H-type sweeper.

[0012] Figure 4 for Figure 2 Enlarged view of point A.

[0013] Figure 5 It is a schematic structural diagram of the limit baffle 5. DETAILED DESCRIPTION

[0014] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0015] like Figure 1-Figure 4As shown, this embodiment exemplarily shows a reversible belt conveyor tail integrated cleaning spiral tensioning device, which is installed on the frame 1 below the belt conveyor tail roller, including a spiral tensioning mechanism and an H-shaped cleaner 8; the spiral tensioning mechanism includes a slide 2 slidably installed on the cross frame 101 on both sides of the belt conveyor tail frame 1, the slide 2 includes an I-shaped channel steel 201 and a cross plate 202 fixed to the bottom of the I-shaped channel steel 201, and a pad 10 is fixed to the lower end surface of the I-shaped channel steel 201. This structure can ensure that the slide 2 slides on the cross frames 101 on both sides of the belt conveyor tail frame. The cross frames 101 on both sides of the belt conveyor tail frame are channel steels with open ends facing downwards. Both ends of the belt conveyor tail roller 3 are rotatably installed on the upper end surface of the I-shaped channel steel 201 through a bearing seat 9, and a nut mounting block 11 is fixed to the upper end of the cross plate 202. The nut mounting block 11 is located in the channel steel, and the upper end surface of the nut mounting block 11 is located below the lower end surface of the pad 10. A nut 12 is fixedly installed in the nut mounting block 11, and the front end of the tightening screw 4 is threadedly installed in the nut 12. The rear end of the tightening screw 4 is rotatably installed in the circular hole provided in the center of the limit baffle 5, and the limit baffle 5 is fixed on the tail frame 1 of the belt conveyor; a sweeper mounting frame 7 is fixedly installed on the lower end of the outer wall of the slide 2, and both ends of the mounting axis of the H-type sweeper 8 are fixed on the sweeper mounting frame 7. A U-shaped mounting groove is provided on one side of the sweeper mounting frame 7. The H-type sweeper 8 is located below the cross frame 101 on both sides of the tail frame of the belt conveyor, and the front end of the scraper of the H-type sweeper 8 is in contact with the outer periphery of the tail roller 3, as shown in 3; the H-type sweeper 8 is a commonly used sweeper on the belt conveyor, and its structure diagram is as shown in Figure 4 As shown, it can be directly purchased from the market and used.

[0016] like Figure 5 As shown, the limit baffle 5 includes an upper clamping plate 51 and a lower clamping plate 52, which are symmetrically arranged and mounted on the outer side of the rear frame of the belt conveyor by bolts 54. Semicircular grooves 53 are respectively provided on the opposite surfaces of the upper clamping plate 51 and the lower clamping plate 52. The two semicircular grooves 53 form a circular hole. A limiting annular groove (not shown) is provided at the rear end of the tensioning screw 4 in the circular hole. The upper clamping plate 51 and the lower clamping plate 52 are clamped in the limiting annular groove. In actual use, in order to facilitate the adjustment of the rotation of the tensioning screw 4, a square bolt head 6 is provided at the rear end of the tensioning screw 4.

[0017] When in use, fix the mounting shaft of the H-type sweeper 8 on the sweeper mounting frame 7, and then adjust the tensioning screw 4 on one side or both sides as needed. During the adjustment and tensioning process of the tail roller 3 of the belt conveyor, the sweeper can move with the roller to ensure that the sweeper can always clean the tail roller.

[0018] The technical solution of the present utility model is not limited to the above-mentioned specific embodiments, and all technical variations made according to the technical solution of the present utility model fall within the protection scope of the present utility model.

Claims

1. A reversible belt conveyor tail integrated cleaning spiral tensioning device, installed on a frame below the belt conveyor tail roller, including a spiral tensioning mechanism and an H-shaped cleaner; characterized in that: The spiral tensioning mechanism includes a slide slidably mounted on the cross frames on both sides of the belt conveyor tail frame, the cross frames on both sides of the belt conveyor tail frame are channel steels with open ends facing downward, and both ends of the belt conveyor tail roller are rotatably mounted on the upper end surface of the slide through bearing seats, a nut mounting block is fixed on the upper end surface of the bottom of the slide, the nut mounting block is located in the channel steel, a nut is fixedly mounted in the nut mounting block, the front end of the tensioning screw is threadedly mounted in the nut, and the rear end of the tensioning screw is rotatably mounted in a circular hole opened in the center of the limit baffle, and the limit baffle is fixed on the belt conveyor tail frame; a sweeper mounting frame is fixedly mounted on the lower end of the outer wall of the slide, and both ends of the mounting shaft of the H-type sweeper are fixed on the sweeper mounting frame, the H-type sweeper is located below the cross frames on both sides of the belt conveyor tail frame, and the front end of the scraper of the H-type sweeper contacts the outer periphery of the tail roller.

2. The integrated cleaning spiral tensioning device at the tail of a reversible belt conveyor according to claim 1 is characterized in that: The slide includes an I-shaped channel steel and a horizontal plate fixed at the bottom of the I-shaped channel steel, a pad is fixed on the lower end surface of the I-shaped channel steel, the nut mounting block is fixed on the upper end surface of the horizontal plate, and the upper end surface of the nut mounting block is located below the lower end surface of the pad.

3. The integrated cleaning spiral tensioning device at the tail of a reversible belt conveyor according to claim 1 is characterized in that: The limit baffle includes an upper clamping plate and a lower clamping plate, which are symmetrically arranged and mounted on the outer side of the rear frame of the belt conveyor by bolts. Semicircular grooves are respectively provided on the opposite surfaces of the upper clamping plate and the lower clamping plate, and a circular hole is formed by the two semicircular grooves. A limit annular groove is provided at the rear end of the tensioning screw in the circular hole, and the upper clamping plate and the lower clamping plate are clamped in the limit annular groove.

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