A multifunctional scraper conveyor head frame and its control method
A scraper conveyor and headstock technology, applied in the field of machinery, can solve problems such as unfavorable economic benefits, complicated working environment of scraper conveyors, etc., and achieve the effects of reducing economic losses, simple structure and functional integration.
Inactive Publication Date: 2019-03-26
TAIYUAN UNIV OF TECH
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Problems solved by technology
The main factors causing scraper chain breakage are related to the working environment of the scraper conveyor and the size of the pre-tightening force; and because the working environment of the scraper conveyor is intricate, using the same pre-tightening force and the same angle under different working conditions is not conducive to achieving the maximum economic benefits
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[0033] Such as Figure 1~4 As shown, a head frame of a multifunctional scraper conveyor includes a frame, a sprocket 3, a sprocket shaft 4, a lifting mechanism, a braking mechanism and a translation mechanism;
[0034] Described frame is the main body that carries each component, comprises two parallel cuboid support rods 11, guide rail 9, support table 12, sprocket shaft 4 is fixed on the top of frame; mechanism, the front end of the sprocket shaft is equipped with a translation mechanism, the bottom of the sprocket shaft is equipped with a lifting mechanism, and the right side of the sprocket shaft is equipped with a braking mechanism, and the braking mechanism is set on the support platform;
[0035] The lifting mechanism includes a lifting four-linkage 6, a double-piston hydraulic cylinder 5, and a bearing 20. The lifting four-linkage is arranged on the guide rail 9 and can move in parallel. The double-piston hydraulic cylinder 5 is arranged in the middle of the lifting fo...
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The invention discloses a multifunctional machine head stand for a scraper conveying machine and a controlling method thereof. The device comprises a rack, a chain wheel, a chain wheel shaft, a lifting mechanism, a braking mechanism and a translation mechanism, wherein the rack comprises two parallel cuboid support rods, guiding rails and a support table; the chain wheel shaft is respectively connected with the lifting mechanism, the braking mechanism and the translation mechanism; the lifting mechanism comprises a lifting four-connecting-rod mechanism, double-piston type hydraulic cylinders and bearings; by moving piston rods, the lifting of the chain wheel shaft is realized by changing the height of the lifting four-connecting-rods; the braking mechanism comprises a braking four-connecting-rod mechanism, a wedged band brake, a brake hydraulic cylinder, a brake driving connecting rod and a torque sensor, so that locking and separation of the wedged band brake and the chain wheel shaft is realized, and the torque sensor transmits the volume of torque of the chain wheel shaft; the translation mechanism comprises a translation connecting rod, a translation hydraulic cylinder and a support hydraulic cylinder, so that the adjustment of pre-tightening force of scraper chains is realized. The device has the advantages of simple structure, convenient mounting and integration of multiple functions.
Description
technical field [0001] The invention relates to a head frame of a multifunctional scraper conveyor and a control method thereof, belonging to the field of machinery. Background technique [0002] Scraper conveyor is an important part of coal mine transportation. It is developing towards high power, large inclination, large capacity, long distance and high speed. Whether the scraper conveyor can operate normally directly determines the economic benefits of coal production. The scraper chain is the core component of the scraper conveyor, and the life of the scraper chain determines the life and transportation volume of the conveyor. According to statistics on the operation of the scraper conveyor on the mining face, about 63% of the failures occurred on the traction mechanism, and 41.5% of the downtime was caused by broken scraper chains. The main factors causing scraper chain breakage are related to the working environment of the scraper conveyor and the size of the pre-tigh...
Claims
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IPC IPC(8): B65G19/18B65G23/44
CPCB65G19/18B65G23/44
Inventor 李军霞寇子明张静马琪鹏冯彬
Owner TAIYUAN UNIV OF TECH