CN107606059B

CN107606059B - Chain with noise reduction and buffering effects

Info

Publication number: CN107606059B
Application number: CN201711052823.9A
Authority: CN
Inventors: 刘志勇; 季亚东
Original assignee: Yangquan Coal Huamao Chain Co ltd
Current assignee: Yangquan Coal Huamao Chain Co ltd
Priority date: 2017-10-30
Filing date: 2017-10-30
Publication date: 2023-04-14
Anticipated expiration: 2037-10-30
Also published as: CN107606059A

Abstract

The invention discloses a chain with noise reduction and buffering effects, which comprises inner chain plates and outer chain plates, wherein a plurality of groups of the inner chain plates and the outer chain plates are arranged, two inner chain plates and two outer chain plates are oppositely arranged in each group, the outer chain plates are positioned on one side of the outer wall of each inner chain plate, two symmetrical sleeves are arranged between the two oppositely-arranged inner chain plates and penetrate through the inner walls of the inner chain plates, rollers are sleeved on the outer walls of the sleeves, two symmetrical pin shafts are fixedly connected to one side of the inner wall of one of the two oppositely-arranged outer chain plates, a movable groove is formed in the inner wall of each outer chain plate, a limiting rod is fixedly connected to the inner wall of each movable groove, movable blocks are symmetrically sleeved on the outer wall of each limiting rod, springs are connected between the two movable blocks, and a buffer sleeve is arranged at the outward extending end of each movable block penetrating through the corresponding movable groove. The chain buffer device is simple in structure and easy to operate, can effectively reduce noise generated when a chain moves, and has a certain buffering effect.

Description

Chain with noise reduction and buffering effects

Technical Field

The invention relates to the technical field of chains, in particular to a chain with a noise reduction and buffering effect.

Background

Get the material in the general large-scale bar stock ground reclaimer, need main vice harrow actuating mechanism to drive heavy chain and harrow board and push away to get the material, owing to adopted heavy chain, can send huge noise when chain and sprocket meshing to the chain wearing and tearing are serious, and vibrations are severe when the complete machine moves. If the chain buffer device is adopted, the noise generated when the chain is meshed with the chain wheel is greatly reduced, the noise pollution is reduced, the abrasion of the chain is weakened, the service life of the chain is prolonged, the vibration generated when the whole machine operates is weakened, and the stable operation of equipment is facilitated.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the present invention provides a chain with noise reduction and buffering effects.

In order to achieve the purpose, the invention adopts the following technical scheme:

the chain with the noise reduction and buffering effects comprises inner chain plates and outer chain plates, wherein a plurality of groups of inner chain plates and outer chain plates are arranged, two inner chain plates and two outer chain plates in each group are arranged oppositely, the outer chain plates are located on one side of the outer wall of each inner chain plate, two symmetrical sleeves are arranged between the two opposite inner chain plates and penetrate through the inner wall of each inner chain plate, rollers are sleeved on the outer walls of the sleeves, annular clamping blocks are fixedly connected to the middle parts of the outer walls of the sleeves, two symmetrical pin shafts are fixedly connected to one side of the inner wall of one of the two opposite outer chain plates and penetrate through the inner wall of the other outer chain plate and extend outwards, locking pins are inserted into the outwards extending ends of the pin shafts, movable grooves are formed in the inner walls of the outer chain plates, limiting rods are fixedly connected to the inner walls of the movable grooves, movable blocks are symmetrically sleeved on the outer walls of the limiting rods, springs are connected between the two movable blocks and are sleeved on the outer walls of the limiting rods, and the movable blocks penetrate through the outwards extending ends of the movable grooves to form buffering sleeves.

Preferably, the inner wall of the roller is provided with an annular clamping groove corresponding to the annular clamping block.

Preferably, the end part of the movable block is provided with a circular fixture block, and the inner wall of the buffer sleeve is provided with a circular clamping groove corresponding to the circular fixture block.

Preferably, the outer wall of the buffer sleeve is provided with a layer of rubber coating.

Preferably, the detent pin is threadedly connected to the receptacle.

Compared with the prior art, the invention has the beneficial effects that: the inner wall of roller is provided with the ring groove who corresponds with the ring fixture block, play certain limiting displacement through the ring fixture block, avoid the roller to take place to shift, peg graft the round pin axle of outer link joint outer wall one side in the sleeve, and the round pin axle passes the inner wall of another outer link joint wherein and outside extension end is provided with the jack, and jack female connection has only lockpin, play the fixed action, the outer wall of cushion collar is equipped with one deck rubber coating, certain elasticity and buffering effect have, because the interval between two outer link joints is greater than the interval between two inner link joints, can appear not hard up the condition when making the sprocket rotate to drive the chain motion, and under the clamping action of two cushion collars, can effectively avoid the emergence of this type of condition. The chain buffer device is simple in structure, easy to operate, capable of effectively reducing noise generated during chain movement, convenient and ingenious to use and suitable for wide popularization, and has a certain buffer effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view of the structure A-A of the present invention.

In the figure: the chain comprises an inner chain plate 1, an outer chain plate 2, a pin shaft 3, a sleeve 4, a roller 5, an annular clamping block 6, an annular clamping groove 7, a locking pin 8, a movable groove 9, a limiting rod 10, a movable block 11, a spring 12, a buffer sleeve 13 and a circular clamping block 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a chain with noise reduction and buffering effects, including inner link plate 1 and outer link plate 2, inner link plate 1 and outer link plate 2 all are provided with a plurality of groups, and every group inner link plate 1 and outer link plate 2 all just are provided with two, outer link plate 2 is located inner link plate 1's outer wall one side, be provided with two symmetrical sleeves 4 between two just right inner link plate 1, and sleeve 4 runs through inner wall of inner link plate 1, sleeve 4's outer wall has cup jointed roller 5, and sleeve 4's outer wall middle part fixedly connected with annular fixture block 6, one of them outer link plate 2's inner wall one side fixedly connected with two symmetrical round pin axles 3 in two just right outer link plate 2, and round pin axle 3 passes sleeve 4, and one of them outer link plate 2's inner wall and outwards extends, round pin axle 3 outwards extends the end has only lockpin 8 through the jack grafting, outer link plate 2's inner wall is equipped with movable slot 9, and movable rod 9's inner wall fixedly connected with gag lever 10, the outer wall symmetry has cup jointed movable block 11, and be connected with spring 12 between two movable blocks 11, spring 12 cup joints in the outer wall of gag lever 10, movable block 11 is equipped with buffer sleeve 13.

Specifically, the inner wall of the roller 5 is provided with an annular clamping groove 7 corresponding to the annular clamping block 6, and the annular clamping block 6 plays a certain limiting role, so that the roller 5 is prevented from shifting.

Specifically, the end of the movable block 11 is provided with a circular fixture block 14, the inner wall of the buffer sleeve 13 is provided with a circular clamping groove corresponding to the circular fixture block 14, and the buffer sleeve 13 is sleeved outside the circular fixture block 14 and can rotate to reduce friction.

Specifically, the outer wall of the buffer sleeve 13 is provided with a layer of rubber coating, and the buffer sleeve has certain elasticity and buffer effect.

Specifically, the locking pin 8 is in threaded connection with the jack, and the fixing effect is better through threaded connection.

The working principle is as follows: according to the invention, the outer chain plate 2 is positioned on one side of the outer wall of the inner chain plate 1, two symmetrical sleeves 4 are arranged between the two opposite inner chain plates 1, the sleeves 4 penetrate through the inner wall of the inner chain plate 1, the rollers 5 are sleeved on the outer wall of the sleeves 4, the annular clamping blocks 6 are fixedly connected to the middle parts of the outer walls of the sleeves 4, the inner walls of the rollers 5 are provided with annular clamping grooves 7 corresponding to the annular clamping blocks 6, a certain limiting effect is achieved through the annular clamping blocks 6, the rollers 5 are prevented from shifting, the pin shaft 3 on one side of the outer wall of the outer chain plate 2 is inserted into the sleeves 4, the pin shaft 3 penetrates through the inner wall of the other outer chain plate 2 and is provided with a jack at the outward extending end, the jack is internally threaded and connected with a locking pin 8 to play a fixing role, meanwhile, the inner wall of the outer chain plate 2 is fixedly connected with the limiting rod 10 through the movable groove 9, the movable blocks 11 are symmetrically sleeved on the outer wall of the limiting rod 10, the springs 12 are sleeved on the outer wall of the limiting rod 10, the movable blocks 11, the outward extending end of the movable blocks 9 is provided with the buffer sleeve 13, the outer wall of the buffer sleeve 13, a certain elastic coating is provided, the buffer effect, and the buffer effect is larger than that the buffer effect that the buffer sleeve of the buffer sleeve is achieved when the chain wheel is driven by the chain, and the chain wheel, the chain wheel can effectively prevent the chain wheel from loosening phenomenon that the chain wheel from rotating chain wheel from occurring.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. A chain with noise reduction and buffering effects comprises an inner chain plate (1) and an outer chain plate (2), and is characterized in that: the inner chain plate (1) and the outer chain plate (2) are both provided with a plurality of groups, and two inner chain plates (1) and two outer chain plates (2) in each group are arranged oppositely, the outer chain plate (2) is positioned on one side of the outer wall of the inner chain plate (1), two symmetrical sleeves (4) are arranged between the two opposite inner chain plates (1), the sleeve (4) penetrates through the inner wall of the inner chain plate (1), the outer wall of the sleeve (4) is sleeved with a roller (5), an annular clamping block (6) is fixedly connected in the middle of the outer wall of the sleeve (4), one side of the inner wall of one outer chain plate (2) of the two opposite outer chain plates (2) is fixedly connected with two symmetrical pin shafts (3), and the pin shaft (3) passes through the sleeve (4) and the inner wall of the other outer chain plate (2) and extends outwards, the outward extending end of the pin shaft (3) is inserted with a locking pin (8) through a jack, the inner wall of the outer chain plate (2) is provided with a movable groove (9), and the inner wall of the movable groove (9) is fixedly connected with a limiting rod (10), the outer wall of the limiting rod (10) is symmetrically sleeved with movable blocks (11), and a spring (12) is connected between the two movable blocks (11), the spring (12) is sleeved on the outer wall of the limiting rod (10), the movable block (11) penetrates through the outwardly extending end of the movable groove (9) and is provided with a buffer sleeve (13);

the inner wall of the roller (5) is provided with an annular clamping groove (7) corresponding to the annular clamping block (6);

a circular clamping block (14) is arranged at the end part of the movable block (11), and a circular clamping groove corresponding to the circular clamping block (14) is formed in the inner wall of the buffer sleeve (13);

the outer wall of the buffer sleeve (13) is provided with a layer of rubber coating;

the locking pin (8) is in threaded connection with the jack.