Belt carrier roller structure of coal feeder
By adopting the design of groove and protrusion matching in the coal feeder belt roller structure, as well as the tensioning structure and cleaning device, the problems of belt deviation and coal powder accumulation are solved, and stable belt transportation and efficient operation of the equipment are achieved.
Patent Information
- Application Number
- CN202423103095.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-16
AI Technical Summary
During long-term operation, the coal feeder is prone to deviation due to uneven force and wear, resulting in belt damage, and the accumulation of coal powder causes the coal belt to bulge, causing equipment failure.
A coal feeder belt roller structure was designed. A gear-like meshing effect was achieved by setting grooves on the outer wall of the active roller and cooperating with the protrusions on the inner side of the transmission belt. A dragon shaft and a tensioning structure, including a fixed block, threaded grooves, threaded rods, and rubber scrapers, were installed on the passive roller to prevent the belt from running off the track, adjust the tension, and clean the coal powder.
Effectively prevent transmission belt slippage and deviation, maintain normal tension, reduce equipment failures, and improve coal transportation efficiency and equipment stability.
Smart Images

Figure CN223444389U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal feeder belt technology field, concretely is a coal feeder belt roller structure. BACKGROUND
[0002] Coal mining is the core link of coal industry, and coal quality directly affects the price and production efficiency of coal market. For the quality of coal in the coal production process, generally needs to pass through multiple processes of processing and screening to ensure the excellent coal quality. As one of the important links of ensuring coal quality, the coal feeder is an indispensable equipment in coal production, and the reciprocating coal feeder is one of the more common coal feeder types in the industry, which mainly functions to grab coal blocks from the conveying belt and send them to the subsequent conveying equipment for further processing. The conventional reciprocating coal feeder structure is generally composed of a motor, a speed reducer, a push plate, a grabbing device and a support frame. In coal production, the reciprocating coal feeder as an important transmission mechanism, its working stability and efficiency are directly linked to the quality and benefit information of coal production.
[0003] During the long-period operation of the coal feeder, uneven stress and wear can easily cause deviation, resulting in damage to the belt. In addition, during operation, the belt is in the coal seam, and coal powder can enter the contact surface between the belt and the roller, causing coal accumulation and belt bulging over a long period of time, which can easily cause the coal feeder to malfunction and require maintenance.
[0004] Therefore, we propose a coal feeder belt roller structure to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a coal feeder belt roller structure to solve the problem of uneven stress and wear causing deviation during the long-period operation of the coal feeder, resulting in damage to the belt. In addition, during operation, the belt is in the coal seam, and coal powder can enter the contact surface between the belt and the roller, causing coal accumulation and belt bulging over a long period of time, which can easily cause the coal feeder to malfunction and require maintenance.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a coal feeder belt roller structure, comprising a driving drum and a driven drum arranged on the side of the driving drum, a transmission belt is jointly sleeved between the driving drum and the driven drum, grooves are formed in the two side walls of the driving drum, disc-shaped plates are fixedly installed on the two side walls of the driving drum, a driving rod is fixedly installed on the side of one of the disc-shaped plates, a plurality of protrusions are fixedly installed on the inner wall of the transmission belt at equal intervals, fixed cylinders are fixedly installed at the two ends of the driven drum, belt-shaped grooves are formed on the surfaces of the two fixed cylinders, and the protrusions are movably connected in the grooves and the belt-shaped grooves.
[0007] Preferably, the side of the passive roller is fixedly provided with a Jiaolong shaft, and the Jiaolong shaft is arranged in the interior of the fixed cylinder.
[0008] Preferably, a tensioning structure is arranged between the transmission belts, and the tensioning structure comprises a fixed block arranged in the transmission belt.
[0009] Preferably, a threaded rod is threadedly connected in each of the two threaded grooves, and one end of the threaded rod is fixedly provided with a handle.
[0010] Preferably, the two ends of the passive roller are rotatably provided with connecting rods, the connecting rods are all provided with connecting grooves, the threaded rod is slidably connected in the connecting groove, two limiting bolts are threadedly arranged on the threaded rod, and the two limiting bolts are arranged at the two ends of the connecting groove.
[0011] Preferably, the two side walls of the fixed block are fixedly provided with connecting plates, and the connecting plates are jointly and fixedly provided with a rubber scraping plate, and the rubber scraping plate is in contact with the outer surface of the lower end of the transmission belt.
[0012] Compared with the prior art, the present application has the following beneficial effects:
[0013] 1. The output end of the motor is fixedly connected with the driving rod, so that the disc and the driving roller can be driven to rotate. When the transmission belt is used to transport coal, the upper and lower ends of the transmission belt are unevenly stressed and easily worn, and the transmission belt is prone to deviation and damage. Therefore, a plurality of protrusions are arranged at the inner side of the transmission belt at equal intervals, and grooves are arranged at the outer wall of the driving roller at equal intervals. The grooves and the protrusions are matched to achieve the effect of gear meshing. The disc with a diameter larger than that of the side of the driving roller is arranged at the two sides of the driving roller to prevent the transmission belt from sliding out. The length of the groove is greater than that of the protrusion, so that the protrusion can be slightly displaced in the groove without sliding out of the groove. The coal feeder belt roller structure can effectively solve the problems of easy slippage and deviation of the transmission belt.
[0014] 2. The device can clean the surface of the transmission belt and adjust the tensioning degree of the transmission belt through the cooperation of the fixed block, the threaded groove, the threaded rod, the handle, the connecting rod, the connecting groove, the limiting bolt, the connecting plate and the rubber scraping plate, so that the transmission belt can maintain normal tensioning degree and facilitate the transportation of coal. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a whole three-dimensional structure schematic view of the present application.
[0016] Figure 2 It is a whole longitudinal cross-section three-dimensional structure schematic view of the present application.
[0017] Figure 3 It is the whole transverse section three-dimensional structure schematic diagram of the utility model;
[0018] Figure 4 It is the active cylinder and passive cylinder three-dimensional structure schematic diagram of the utility model.
[0019] In the drawing: 1, active cylinder; 11, recess; 12, disc; 13, drive rod; 2, passive cylinder; 21, auger shaft; 22, fixed cylinder; 23, strip groove; 3, transmission belt; 31, protruding block; 4, tensioning structure; 41, fixed block; 42, threaded groove; 43, threaded rod; 44, handle; 45, connecting rod; 46, connecting groove; 47, limiting bolt; 48, connecting plate; 49, rubber scraping plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] Embodiment one: please refer to Figure 1 - Figure 3 A coal feeder belt roller structure, including active cylinder 1 and the passive cylinder 2 of setting in the side of active cylinder 1, active cylinder 1 and passive cylinder 2 between common sleeve joint have transmission belt 3, the two sides of active cylinder 1 side wall all are set with recess 11, the two sides of active cylinder 1 side wall all are fixedly installed with disc 12, wherein one disc 12's side surface is fixedly installed with drive rod 13, transmission belt 3's inner wall both sides all are fixedly installed with several protruding blocks 31, the both ends of passive cylinder 2 all are fixedly installed with fixed cylinder 22, the surface of two fixed cylinders 22 all are set with strip groove 23, protruding block 31 is movably connected in recess 11 and strip groove 23.
[0022] In this embodiment: when the device is used to transport coal, the output end of the motor is fixedly connected with the driving rod 13, so as to drive the disc 12 and the driving roller 1 to start rotating. When the transmission belt 3 is used to transport coal, the upper and lower ends of the transmission belt 3 are not uniformly stressed and are prone to deviation and even damage the transmission belt 3. Therefore, a plurality of protrusions 31 are arranged at equal intervals on the inner side of the transmission belt 3, recesses 11 are arranged at equal intervals on the outer wall of the driving roller 1, the recesses 11 and the protrusions 31 are matched, the effect of gear meshing is achieved, the disc 12 with a diameter larger than that of the side surface of the driving roller 1 is arranged on the two sides of the driving roller 1 to prevent the transmission belt 3 from sliding out, and the length of the recess 11 is greater than that of the protrusion 31, so that the protrusion 31 can have a small distance displacement in the recess 11 and does not slide out of the recess 11. The coal feeder belt roller structure can effectively solve the problems of easy slippage and deviation of the transmission belt 3.
[0023] Embodiment two: the embodiment is improved on the basis of embodiment one. For details, please refer to Figure 2 Figure 4 The side surface of the driven roller 2 is fixedly provided with a Jiaolong shaft 21, the Jiaolong shaft 21 is arranged in the fixed cylinder 22, and the Jiaolong shaft 21 can clean the inner wall of the transmission belt 3 when the driven roller 2 rotates.
[0024] The transmission belt 3 is provided with a tensioning structure 4, the tensioning structure 4 comprises a fixed block 41 arranged in the transmission belt 3, threaded grooves 42 are formed in the two sides of the fixed block 41, and the fixed block 41 is fixedly arranged at a position close to the driven roller 2.
[0025] Threaded rods 43 are threadedly connected in the two threaded grooves 42, handles 44 are fixedly arranged at one end of the threaded rods 43, and the handles 44 can drive the threaded rods 43 to rotate.
[0026] Connecting rods 45 are rotatably arranged at the two ends of the driven roller 2, connecting grooves 46 are formed in the connecting rods 45, the threaded rods 43 are slidably connected in the connecting grooves 46, two limiting bolts 47 are threadedly arranged on the threaded rods 43, and the two limiting bolts 47 are arranged at the two ends of the connecting grooves 46 respectively. The one end of the threaded rod 43 and the connecting rod 45 are limited by the limiting bolt 47.
[0027] Connecting plates 48 are fixedly arranged on the two side walls of the fixed block 41, a rubber scraping plate 49 is fixedly arranged between the two connecting plates 48, the rubber scraping plate 49 is in contact with the outer surface of the lower end of the transmission belt 3, and the rubber scraping plate 49 can clean the coal ash remaining on the surface of the transmission belt 3.
[0028] In the embodiment, when the transmission belt 3 is sleeved with the driving roller 1 and the driven roller 2, the connecting rods 45 are first arranged at the two ends of the driven roller 2, then the handle 44 is used to rotate the threaded rod 43 along the threaded hole 42, the threaded rod 43 is close to the connecting rod 45 along the threaded hole 42, a limiting bolt 47 is screwed on the threaded rod 43, the threaded rod 43 is inserted into the connecting groove 46, then another limiting bolt 47 is screwed on the threaded rod 43, the two limiting bolts 47 are rotated to the position close to the connecting rod 45, then the handle 44 is rotated to push the connecting rod 45, the driven roller 2 is pushed out under the action of the two connecting rods 45, the tension of the transmission belt 3 is adjusted, when the transmission belt 3 rotates, the lower end surface is in contact with the rubber scraping plate 49, the residual coal ash and other sundries on the surface are scraped off, the device can clean the surface of the transmission belt 3 and adjust the tension, so that the transmission belt 3 can keep normal tension and facilitate the transportation of coal.
[0029] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.
[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A coal feeder belt roller structure, comprising a driving roller (1) and a passive roller (2) arranged on the side of the driving roller (1), wherein a transmission belt (3) is sleeved between the driving roller (1) and the passive roller (2), and characterized in that: Grooves (11) are provided on both side walls of the active roller (1), and discs (12) are fixedly mounted on both side walls of the active roller (1), a driving rod (13) is fixedly mounted on the side of one of the discs (12), a plurality of protrusions (31) are fixedly mounted at equal intervals on both sides of the inner wall of the transmission belt (3), and fixed cylinders (22) are fixedly mounted on both ends of the passive roller (2), and strip grooves (23) are provided on the surfaces of the two fixed cylinders (22), and the protrusions (31) are movably connected in the grooves (11) and the strip grooves (23).
2. The coal feeder belt roller structure according to claim 1, characterized in that: A dragon shaft (21) is fixedly mounted on the side of the passive roller (2), and the dragon shaft (21) is arranged inside the fixed cylinder (22).
3. The coal feeder belt roller structure according to claim 2, characterized in that: A tensioning structure (4) is provided between the transmission belts (3), and the tensioning structure (4) comprises a fixing block (41) provided inside the transmission belts (3), and threaded grooves (42) are provided on both sides of the fixing block (41).
4. The coal feeder belt roller structure according to claim 3, characterized in that: A threaded rod (43) is threadedly connected in each of the two threaded grooves (42), and a handle (44) is fixedly mounted on one end of each of the threaded rods (43).
5. The coal feeder belt roller structure according to claim 4, characterized in that: Connecting rods (45) are rotatably mounted on both ends of the passive roller (2). Connecting grooves (46) are provided on the connecting rods (45). The threaded rods (43) are slidably connected in the connecting grooves (46). Two limiting bolts (47) are threadedly mounted on the threaded rods (43). The two limiting bolts (47) are respectively arranged at both ends of the connecting grooves (46).
6. The coal feeder belt roller structure according to claim 5, characterized in that: Connecting plates (48) are fixedly mounted on both side walls of the fixed block (41), and a rubber scraper plate (49) is fixedly mounted between the two connecting plates (48), wherein the rubber scraper plate (49) contacts the outer surface of the lower end of the transmission belt (3).