CN210531515U - High-strength roller chain - Google Patents

Abstract

The utility model discloses a high strength roller chain relates to the technical field of roller chain. The chain plate comprises a plurality of sleeves, inner chain plates and outer chain plates, wherein rollers are sleeved on the outer peripheral walls of the sleeves, one or more lantern rings are sleeved on the outer peripheral walls of the rollers, and a plurality of groups of first buffer parts and second buffer parts are elastically arranged on the lantern rings; each group of first buffer parts comprises a first buffer rod movably arranged on the outer peripheral wall of the lantern ring and a buffer block hinged to one end of the first buffer rod, and the buffer sheet is in sliding fit with the inner wall of the roller; each group of second buffer parts comprises a buffer rod which is elastically arranged on the outer peripheral wall of the sleeve ring and a buffer block which is fixed at one end of the first buffer rod, wherein the buffer block is in sliding fit with the inner wall of the roller. The utility model discloses a first buffer beam that the activity set up and the second buffer beam that elasticity set up play the cushioning effect to the roller in radial and two directions of axial, reduce the damage that the roller inner wall is direct to strike and receive with the sleeve to increase the bulk strength of chain, also increased the life of chain.

Description

High-strength roller chain

Technical Field

The utility model belongs to the technical field of the technique of roller chain and specifically relates to a high strength roller chain is related to.

Background

The chain is an important component of mechanical part connection transmission, has the advantages of gears and belts, is widely applied to occasions of high temperature, heavy load and the like such as metallurgy, textile, glass, electric power, automobiles, cement, mines, papermaking, petrochemical industry and the like, and has higher requirement on the strength of the chain particularly in the heavy load occasions.

Patent publication No. CN202418424U discloses a high-strength chain, wherein two inner chain plates are fixedly connected with two sleeves in an interference fit manner, the sleeves are sleeved with rotatable rollers to form a chain link, the chain links are connected with each other through two outer chain plates and a pin shaft, the pin shaft is arranged in the sleeves in a penetrating manner, and two ends of the pin shaft penetrate through the outer chain plates and are fixedly connected with a square rivet head of a barrel; the inner chain plate and the outer chain plate are both straight-edge alloy structural steel chain plates, pin holes in the inner chain plate and the outer chain plate are processed by steel ball hole extrusion, and the rollers are medium-carbon alloy structural steel rollers.

The above prior art solutions have the following drawbacks: the roller rotates on the sleeve, and when the roller moves under high load for a long time, the roller can frequently be impacted, then the inner wall of the roller can be abraded due to long-time impact, the process of the roller during movement becomes unsmooth, and the normal use of the chain can be influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high strength roller chain of buffering roller pressurized in order to improve intensity.

The utility model discloses a can realize through following technical scheme:

a high-strength roller chain comprises a plurality of sleeves, inner chain plates and outer chain plates, wherein rollers are sleeved on the outer peripheral walls of the sleeves, one or more lantern rings are sleeved on the outer peripheral walls of the sleeves, and a plurality of groups of first buffer parts and second buffer parts used for buffering the stress of the rollers are elastically arranged on the lantern rings;

each group of first buffer parts comprises a first buffer rod movably arranged on the peripheral wall of the lantern ring and a buffer block hinged to one end of the first buffer rod, and the buffer block is in sliding fit with the inner wall of the roller;

every a set of second bolster all includes that elasticity sets up the buffer beam of lantern ring periphery wall and be fixed in the buffer block of first buffer beam one end just the second buffer block with the inner wall sliding fit of roller.

Through above-mentioned technical scheme, when the roller received the impact, the second buffer beam that first buffer beam and elasticity that set up through the activity set up played the cushioning effect to the roller in radial and two directions of axial, reduced the damage that the roller inner wall directly impacted and received with the sleeve to increase the bulk strength of chain, also increased the life of chain.

Further setting the following steps: the lantern ring periphery wall along its axial direction seted up a plurality of with first bolster clearance fit's spout, the lantern ring is seted up one or more along its outer circumferencial direction and is seted up one or more with second bolster clearance fit's first ring channel, the projection quadrature of spout and first ring channel on the lantern ring circumference is but the non-intersect.

Through above-mentioned technical scheme, first bolster slides in the spout, mainly plays the cushioning effect to the roller in the axial, and the second bolster slides in the ring channel, mainly upwards plays the cushioning effect to the roller in footpath, and when the roller received the impact, first bolster and second bolster cooperation to play certain cushioning effect, increased the life of chain.

Further setting the following steps: the one end that first buffer beam kept away from the buffer block articulated be connected with the spout complex slider that slides, the one end that the second buffer beam kept away from the buffer block be fixed with the first ring channel complex slider that slides.

Through above-mentioned technical scheme, first buffer beam slides in the spout through the slider, and then does not disturb the motion of roller when the roller rotates, simultaneously because of first buffer beam is connected with the slider is articulated, when the displacement takes place for the roller axial, first buffer beam uses the slider to take place the swing as the rotation center to play the cushioning effect in the axial.

Further setting the following steps: the inner wall of the roller is provided with a plurality of second annular grooves matched with the buffer blocks in a sliding mode.

Through above-mentioned technical scheme, when the roller rotated, the buffer block slided in the second ring-shaped groove, and then did not produce the interference to the normal motion of roller, the smoothness nature when having increased the roller motion.

Further setting the following steps: first buffer beam, second buffer beam and buffer block are made by elastic material.

Through above-mentioned technical scheme, thereby first buffer beam, second buffer beam and the third buffer beam of elastic material preparation can play certain cushioning effect and reduce the damage of roller when receiving the impact, have further improved the use of roller.

Further setting the following steps: the sliding grooves are distributed on the outer circumferential wall of the lantern ring at equal intervals along the circumferential direction of the lantern ring.

Through adopting above-mentioned technical scheme, make a plurality of first bolster when playing the cushioning effect, play the effect of even buffering to the roller, and then improved the cushioning effect when receiving the impact to the roller to a certain extent.

The cross section of the sliding block is T-shaped, and the cross sections of the sliding groove and the first annular groove are both T-shaped and matched with the sliding block.

Through adopting above-mentioned technical scheme, the slider of transversal personally submitting T font is difficult for deviating from in first ring channel or the spout when sliding, and has increased the stability when the slider motion, and then has increased the stability of first bolster and second bolster when the motion, makes the buffering effect better.

Further setting the following steps: and lubricating grease is filled between the outer peripheral wall of the sleeve and the inner wall of the roller.

Through above-mentioned technical scheme, lubricating grease can effectively reduce the friction between sleeve and the roller, makes roller more smooth when rotating on the sleeve, has also reduced the wearing and tearing when roller slides.

To sum up, the utility model discloses a beneficial technological effect does:

1. the utility model discloses a first bolster and second bolster play certain cushioning effect when the roller receives the impact force, have also reduced the roller simultaneously and sleeve direct contact and the contact wear who causes when the motion, have improved the holistic structural strength of chain, have increased the life of chain.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the position A of the present invention

Reference numerals: 1. a sleeve; 2. an inner link plate; 3. an outer link plate; 4. a roller; 5. a collar; 6. a first buffer member; 7. a second buffer member; 8. a buffer block; 9. a chute; 10. a first annular groove; 11. a slider; 12. a second annular groove; 13. a pin shaft; 61. a first buffer rod; 62. a second buffer rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a high-strength roller 4 chain comprises a plurality of sleeves 1, inner chain plates 2 and outer chain plates 3, wherein the sleeves 1 are hollow cylindrical pipes, pin shafts 13 in interference fit with the sleeves 1 penetrate through the hollow parts of the sleeves 1, and the 8-shaped inner chain plates 2 and the outer chain plates 3 are sequentially sleeved on the end parts of the pin shafts 13.

The roller 4 is rotatably sleeved on the outer peripheral side of the sleeve 1, and lubricating grease for increasing the movement fluency of the roller 4 is filled between the sleeve 1 and the roller 4. The inner wall of the roller 4 is provided with a plurality of second annular grooves 12 along the circumferential direction. Two lantern rings 5 are further sleeved at two ends of the sleeve 1, and the lantern rings 5 are located in the gap between the sleeve 1 and the roller 4. Four spout 9 have been seted up along its axial direction to lantern ring 5, and four spout 9 are at 5 periphery walls equidistant distributions of lantern ring, and first ring channel 10 has been seted up along the circumferencial direction to lantern ring 5, and first ring channel 10 does not communicate with each other with spout 9.

Referring to fig. 2 and 3, each sliding groove 9 is provided with a first buffer member 6 for buffering the impact force on the roller 4, the first buffer member 6 includes a first buffer rod 61 made of an elastic material, a buffer block 8 fixed at one end of the first buffer rod 61 and slidably engaged with the second annular groove 12, the other end of the first buffer rod 61 is hinged to a sliding block 11 with a T-shaped cross section, and the sliding block 11 is slidably engaged with the sliding groove 9. When roller 4 receives the impact and when taking place the displacement in the axial, first buffer beam 61 will use slider 11 to take place the swing as the rotation center, under a plurality of first buffer beam 61's effect, play certain cushioning effect because of first buffer beam 61's elasticity, after the impact is ended, under first buffer beam 61's effect, roller 4 will move and resume its normal motion to initial position, play cushioning effect through the above-mentioned process, and reduced when receiving the impact, because of the damage that causes when roller 4 inner wall and 1 periphery wall direct contact of sleeve, thereby the overall structure intensity of chain has been improved, the life of chain has been increased.

All be provided with a second bolster 7 that is used for the radial impact force that buffering roller 4 received in each first ring channel 10, second bolster 7 includes second buffer rod 62 and fixed with the buffer block 8 of second buffer rod 62 one end and with the cooperation of sliding of second ring channel 12, the other end fixedly connected with slider 11 of second buffer rod 62 and with the cooperation of sliding of first ring channel 10. When the roller 4 is impacted in the radial direction, the second buffer rod 62 made of elastic material is compressed to play a certain buffer function, and after the impact is finished, the roller 4 is pushed open by the elastic rod and is restored to the initial position under the elastic action of the second buffer rod 62 so as to facilitate the normal use of the roller 4. The damage to the inner wall of the roller 4 which is directly contacted with the sleeve 1 in an impact way is reduced, so that the integral structural strength of the chain is improved, and the service life of the chain is prolonged.

The utility model discloses a theory of operation and beneficial effect do:

the utility model discloses a first bolster 6 and second bolster 7 can play certain cushioning effect radially and axially when roller 4 receives the impact force, have also reduced roller 4 simultaneously and have damaged because of receiving the contact that strikes and sleeve 1 direct contact caused when the motion, and then have improved the holistic structural strength of chain, have also increased the life of chain simultaneously.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a high strength roller chain, includes a plurality of sleeve (1), inner link plate (2) and outer link plate (3), its characterized in that: the roller buffer device is characterized in that a roller (4) is sleeved on the outer peripheral wall of the sleeve (1), one or more sleeve rings (5) are sleeved on the outer peripheral wall of the sleeve (1), and a plurality of groups of first buffer parts (6) and second buffer parts (7) used for buffering the stress of the roller (4) are elastically arranged on the sleeve rings (5);

each group of first buffer parts (6) comprises a first buffer rod (61) movably arranged on the peripheral wall of the sleeve ring (5) and a buffer block (8) hinged to one end of the first buffer rod (61), and the buffer block (8) is in sliding fit with the inner wall of the roller (4);

every a set of second bolster (7) all includes that elasticity sets up second buffer beam (62) of lantern ring (5) periphery wall and be fixed in buffer block (8) of second buffer beam (62) one end just buffer block (8) with the inner wall sliding fit of roller (4).

2. A high strength roller chain according to claim 1, wherein: the outer circumferential wall of the lantern ring (5) is provided with a plurality of sliding grooves (9) which are movably matched with the first buffer piece (6) along the axial direction of the outer circumferential wall of the lantern ring, the lantern ring (5) is provided with at least one first annular groove (10) which is movably matched with the second buffer piece (7) along the outer circumferential direction of the lantern ring, and the projections of the sliding grooves (9) and the first annular grooves (10) on the circumference of the lantern ring (5) are orthogonal but not intersected.

3. A high strength roller chain according to claim 2, wherein: keep away from first buffer beam (61) the one end of buffer block (8) articulated be connected with spout (9) complex slider (11) that slides, keep away from second buffer beam (62) the one end of buffer block (8) be fixed with first ring channel (10) complex slider (11) that slides.

4. A high strength roller chain according to claim 2, wherein: and a plurality of second annular grooves (12) which are matched with the buffer blocks (8) in a sliding manner are formed in the inner wall of the roller (4).

5. A high strength roller chain according to claim 1, wherein: the first buffer rod (61), the second buffer rod (62) and the buffer block (8) are all made of elastic materials.

6. A high strength roller chain according to claim 2, wherein: the sliding grooves (9) are distributed on the outer peripheral wall of the sleeve ring (5) at equal intervals along the circumferential direction of the sleeve ring (5).

7. A high strength roller chain according to claim 3, wherein: the cross section of the sliding block (11) is T-shaped, and the cross sections of the sliding groove (9) and the first annular groove (10) are both T-shaped and matched with the sliding block (11).

8. A high strength roller chain according to claim 1, wherein: lubricating grease is filled between the outer peripheral wall of the sleeve (1) and the inner wall of the roller (4).

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