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CN-224211809-U - Chain breakage buffer device for plate chain conveyor

CN224211809UCN 224211809 UCN224211809 UCN 224211809UCN-224211809-U

Abstract

The utility model discloses a broken chain buffer device for a plate chain conveyor, which belongs to the technical field of plate chain conveyors and comprises a plate chain conveyor body and a concave frame arranged on the plate chain conveyor body, wherein the top surface of the concave frame is provided with a broken chain buffer mechanism, the broken chain buffer mechanism comprises an L-shaped plate, a screw rod, a pressing plate, a top plate, a concave plate, a pressing wheel, a buffer rod and a buffer spring, when a plate chain of the plate chain conveyor body breaks, the broken plate chain impacts the pressing wheel upwards, the pressing wheel drives the buffer rod to compress the buffer spring upwards through the concave plate, the elastic deformation of the buffer spring can absorb the impact force generated by the broken chain, the kinetic energy is converted into elastic potential energy, the impact strength of the plate chain is effectively reduced, the plate chain is prevented from splashing, the broken chain can be effectively buffered, potential safety hazards to surrounding personnel are avoided, and the safety of the plate chain conveyor in the use process is improved.

Inventors

  • XU WEIYUE
  • ZHANG ZIHENG

Assignees

  • 兰溪华能输送设备制造有限公司

Dates

Publication Date
20260508
Application Date
20250601

Claims (6)

  1. 1. The chain breakage buffer device for the plate chain conveyor comprises a plate chain conveyor body (1) and a concave frame (2) arranged on the plate chain conveyor body (1), and is characterized in that the top surface of the concave frame (2) is provided with a chain breakage buffer mechanism (3), the chain breakage buffer mechanism (3) comprises an L-shaped plate (5), a screw rod (10), a pressing plate (13), a top plate (17), a concave plate (20), a pressing wheel (22) and a buffer rod (24) and a buffer spring (26), the L-shaped plate (5) is fixedly connected to the bottom surface of the top plate (17), the screw rod (10) is movably connected to the bottom surface of an outer side wall fixed block (8) of the L-shaped plate (5) through a first rotating rod (11) at the top end, the pressing plate (13) is movably connected with the screw rod (10) through a connecting block (14) on the outer side wall, the pressing wheel (22) is movably connected with the concave plate (20) through second rotating rods (23) on two sides, the pressing wheel (20) is movably connected to the bottom surface of the top plate (17) through buffer rods (24) on the top surface, and the buffer rod (24) is sleeved on the buffer rod (26).
  2. 2. The chain breakage buffering device for a plate chain conveyor according to claim 1, wherein a plurality of groups of symmetrical positioning holes (4) are formed in the top surface of the concave frame (2).
  3. 3. The broken chain buffer device for the plate chain conveyor is characterized in that L-shaped plates (5) corresponding to a plurality of groups of symmetrical positioning holes (4) are fixedly arranged on the bottom surface of the top plate (17), limiting holes (6) corresponding to the positioning holes (4) are formed in the top surface of the transverse position of each L-shaped plate (5), vertical openings (7) are formed in the side walls of the vertical positions of the L-shaped plates (5), fixing blocks (8) are fixedly arranged on the outer side walls of the vertical positions of the L-shaped plates (5) and located at the top ends of the vertical openings (7), and first rotating holes (9) are formed in the top surfaces of the fixing blocks (8).
  4. 4. The chain breakage buffering device for the plate chain conveyor is characterized in that a first rotating rod (11) is fixedly arranged at the top end of the screw rod (10), the first rotating rod (11) is movably arranged in a first rotating hole (9), a knob (12) is fixedly arranged at the top end of the first rotating rod (11), a connecting block (14) is fixedly arranged on the outer side wall of the pressing plate (13), the connecting block (14) penetrates through the vertical opening (7), a screw hole (15) is formed in the top surface of the connecting block (14), the connecting block (14) is connected with the screw rod (10) through the screw hole (15) in a threaded mode, a group of symmetrical limiting rods (16) are fixedly arranged on the bottom surface of the pressing plate (13), and the limiting rods (16) penetrate through the positioning holes (4) and are inserted into the limiting holes (6).
  5. 5. The chain breakage buffering device for a plate chain conveyor according to claim 4, wherein a plurality of through holes (18) are formed in the top surface of the top plate (17), and a group of symmetrical guide bars (19) are fixedly arranged on the inner wall of each through hole (18).
  6. 6. The broken chain buffer device for the plate chain conveyor is characterized in that a plurality of concave plates (20) are arranged, the concave plates (20) are inverted, second rotating holes (21) are formed in the two side walls of the concave plates (20) respectively, second rotating rods (23) are fixedly arranged on the two sides of each pressing wheel (22) respectively, the second rotating rods (23) are movably arranged in the second rotating holes (21), the pressing wheels (22) are tightly attached to the top surface of a chain plate of the plate chain conveyor body (1), buffer rods (24) are fixedly arranged on the top surface of the concave plates (20), the buffer rods (24) are installed in through holes (18) in a penetrating mode, guide grooves (25) corresponding to guide strips (19) are formed in the outer walls of the buffer rods (24), buffer springs (26) are sleeved outside the buffer rods (24) and fixedly arranged between the top plate (17) and the opposite surface walls of the concave plates (20), and baffle plates (27) are fixedly arranged on the top ends of the buffer rods (24).

Description

Chain breakage buffer device for plate chain conveyor Technical Field The utility model relates to the technical field of plate chain conveyors, in particular to a broken chain buffer device for a plate chain conveyor. Background The plate chain conveyer is a universal fixed mechanical conveyer, and it utilizes a series of plate links fixedly-connected on the traction chain, and utilizes a power device (such as motor) to drive the chain to make cyclic reciprocating motion so as to provide traction force, and uses metal plate or plastic plate as carrier to guide material to be conveyed along horizontal or oblique direction. The conveyor has the characteristics of simple structure, reliable operation, long service life, convenient installation and maintenance and the like, has no special requirements on material granularity, blockiness and working environment, is suitable for conveying massive and sharp materials, and is especially suitable for massive, heavy, glowing and corrosive materials. The plate chain conveyor is widely applied to industrial departments of machinery, casting, metallurgy, chemical industry, building materials, power, mines and the like, and is an indispensable device in the raw material treatment or continuous production process. In the prior art, in the actual operation process of the plate chain conveyor, the existing plate chain conveyor has a plurality of problems to be solved urgently. When the weight of the material conveyed by the conveyor exceeds the rated load-carrying capacity of the plate link chain, the plate link chain will be subjected to excessive tension. In the overload state for a long time, the plate chain can be worn out and fatigued, the strength of the plate chain can be reduced, and the failure of chain breakage is easy to occur. More serious, after the plate chain breaks, because the plate chain conveyor lacks necessary buffering measures, and the plate chain and conveyed materials have certain speed and inertia, at the moment of sudden breaking of the plate chain, the motion state which is originally restrained by the plate chain is broken, the broken plate chain can continue to move upwards due to the inertia, so that the plate chain splashes, serious potential safety hazards are probably caused to surrounding personnel, and the safety of the plate chain conveyor in the use process is greatly reduced. Disclosure of utility model The utility model mainly aims to provide a chain breakage buffer device for a plate chain conveyor, which can effectively solve the problems in the background technology. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The utility model provides a chain breakage buffer for plate chain conveyer, includes plate chain conveyer body and sets up the spill frame on the plate chain conveyer body, the top surface of spill frame is equipped with chain breakage buffer mechanism, and chain breakage buffer mechanism includes L shaped plate, screw rod, clamp plate, roof, concave plate, pinch roller, buffer rod and buffer spring, L shaped plate fixed connection is in the bottom surface of roof, and the screw rod passes through the bottom surface of first dwang swing joint at L shaped plate lateral wall fixed block on top, the clamp plate is in the same place with screw rod swing joint through the connecting block on the lateral wall, the second dwang and concave plate swing joint of both sides are passed through to the pinch roller, and the concave plate passes through the buffer rod swing joint of top surface at the bottom surface of roof, the outside at the buffer rod is established to the buffer spring cover. Further, a plurality of groups of symmetrical positioning holes are formed in the top surface of the concave frame. Further, the bottom surface fixed mounting of roof has the L shaped plate that corresponds with the locating hole of a plurality of group symmetries, and the spacing hole that corresponds with the locating hole has been seted up to the horizontal position top surface of L shaped plate, vertical mouth has been seted up on the vertical position lateral wall of L shaped plate, and the vertical position lateral wall of L shaped plate and be located the top of vertical mouth and still fixed mounting have the fixed block, first rotation hole has been seted up to the top surface of fixed block. Further, the top fixed mounting of screw rod has first dwang, and first dwang movable mounting is downthehole at first rotation, the top fixed mounting of first dwang has the knob, fixed mounting has the connecting block on the lateral wall of clamp plate, and the connecting block passes vertical mouth, the screw has been seted up to the top surface of connecting block, and the connecting block passes through screw and screw rod threaded connection together, the bottom surface fixed mounting of clamp plate has a set of symmetrical gag lever post, and the gag lever post passes the locating h