CN220227677U - Self-lubricating noise-reducing chain assembly - Google Patents

Abstract

The utility model discloses a self-lubricating noise-reducing chain component, which comprises: the chain comprises a plurality of groups of chain link units which are mutually connected in series, each group of chain link units comprises a rolling shaft and two outer chain plates, the rolling shaft is arranged between the two outer chain plates, an elastic sleeve is sleeved outside the rolling shaft and is provided with a containing cavity used for filling solid lubricating grease, the side wall of the elastic sleeve is provided with an oil unloading hole communicated with the containing cavity, and when the chain link units are meshed with the chain wheels, part of solid lubricating grease can overflow from the oil unloading hole. The chain component of above structure through the elastic sleeve that sets up, can cushion the noise that produces in order to reduce the operation to the sprocket, and at chain and sprocket driven in-process, the inside filled solid grease of elastic sleeve can spill over in order to lubricate roller bearing and outer link joint matched with position moreover to reach the effect of roller bearing self-lubricating.

Description

Self-lubricating noise-reducing chain assembly

Technical Field

The utility model relates to the technical field of chain transmission, in particular to a self-lubricating noise-reducing chain assembly.

Background

Currently, chain transmission is a transmission mode in which motion and power of a driving sprocket having a special tooth form is transmitted to a driven sprocket having a special tooth form through a chain. The chain transmission has the advantages of accurate average transmission ratio, reliable work, high efficiency and the like, and is widely applied to the process of transporting various materials or transmitting power.

At present, in the process of meshed transmission of a chain wheel and a chain, as the roller and the chain wheel are made of metal, the roller and the chain wheel generate larger noise when colliding, and the roller can generate certain abrasion after running for a long time, so that oiling is needed for lubrication at the later stage so as to prolong the service life. However, most of the prior art is to smear the lubricating oil on the chain manually, which is troublesome to operate, time-consuming and labor-consuming, and when the conveyor chain is lubricated, the conveyor is required to stop, thus greatly reducing the cargo conveying efficiency of the conveyor.

Disclosure of Invention

Aiming at the defects, the utility model provides a self-lubricating noise-reducing chain assembly, the chain wheel can be buffered through the elastic sleeve so as to reduce noise generated by operation, and solid lubricating grease filled in the elastic sleeve can overflow to lubricate the position where the rolling shaft is matched with the outer chain plate in the process of driving the chain and the chain wheel, so that the effect of self-lubricating the rolling shaft is achieved.

In order to achieve the purpose, the self-lubricating noise-reducing chain assembly adopts the following technical scheme:

a self-lubricating noise reducing chain assembly comprising: the chain comprises a plurality of groups of chain link units which are mutually connected in series, each group of chain link units comprises a rolling shaft and two outer chain plates, the rolling shaft is arranged between the two outer chain plates, an elastic sleeve is sleeved outside the rolling shaft and is provided with a containing cavity used for filling solid lubricating grease, the side wall of the elastic sleeve is provided with an oil unloading hole communicated with the containing cavity, and when the chain link units are meshed with the chain wheels, part of solid lubricating grease can overflow from the oil unloading hole.

The chain assembly capable of reducing noise has at least the following beneficial effects: when sprocket and one of them chain link unit transmission are joined in marriage, the sprocket passes through the elastic sleeve and buffers to avoid sprocket and roller bearing to take place the rigid collision and produce great noise, in addition at the sprocket support press in the in-process of elastic sleeve, the inside solid grease atress of elastic sleeve is to both sides removal, make partial solid grease can follow the oil discharge hole and spill over, thereby utilize solid grease to lubricate roller bearing and outer link joint matched with place, be favorable to reducing the cost of manual lubrication, also make the chain subassembly can reach the effect of self-lubricating in operation, need not to stop the conveyer, thereby improved people's use experience.

Further, the elastic sleeve is movably provided with an elastic piece, and the elastic piece can deflect relative to the oil discharging hole so as to open or close the oil discharging hole.

Further, the elastic piece comprises a plurality of elastic valve bodies, the elastic valve bodies are circumferentially distributed along the inner wall of the oil discharge hole, and the elastic valve bodies can be folded inwards or unfolded outwards relative to the elastic sleeve.

Further, two oil discharging holes are formed, and the orifices of the two oil discharging holes face to the two outer chain plates respectively.

Further, the chain oil feeding device further comprises oil supplementing devices distributed along the length direction of the chain, the elastic sleeve is provided with an oil inlet pipe communicated with the containing cavity, and the oil supplementing devices are used for conveying solid lubricating grease to the oil inlet pipe.

Further, the oil supplementing device comprises a first pipeline, an identifier is arranged at the pipe orifice of the first pipeline, a first valve body for controlling the on-off of the first pipeline is arranged on the first pipeline, the identifier is electrically connected with the first valve body, and the first pipeline is opposite to the oil inlet pipe when the identifier detects the oil inlet pipe, so that the oil supplementing device supplements oil to the containing cavity.

Further, one end threaded connection of advance oil pipe has the stop collar, advance the inner wall activity of oil pipe and be provided with the elastic piece, wherein, the elastic piece butt in during the stop collar, the elastic piece can seal advance the mouth of pipe of oil pipe.

Further, in order to improve the wear resistance of the elastic sleeve, the outer surface of the elastic sleeve is coated with a wear layer.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic illustration of a self-lubricating noise reducing chain assembly of an embodiment of the present utility model;

FIG. 2 is an internal cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

fig. 4 is a partial enlarged view of B in fig. 2.

In the figure: the device comprises a chain link unit 100, a roller 110, an outer chain plate 120, an elastic sleeve 200, a containing cavity 210, an oil discharging hole 220, an elastic valve body 230, an oil inlet pipe 240, a limiting sleeve 241, an elastic sheet 242 and a first pipeline 300.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "front", "rear", "left", "right", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, a self-lubricating noise reducing chain assembly, comprising: the chain comprises a plurality of groups of chain link units 100 which are mutually connected in series, each group of chain link units 100 comprises a roller 110 and two outer chain plates 120, the roller 110 is arranged between the two outer chain plates 120, an elastic sleeve 200 is sleeved outside the roller 110, the elastic sleeve 200 is provided with a containing cavity 210 for filling solid lubricating grease, the side wall of the elastic sleeve 200 is provided with an oil discharging hole 220 communicated with the containing cavity 210, and when the chain link units 100 are meshed with a chain wheel, part of solid lubricating grease can overflow from the oil discharging hole 220.

The chain assembly of above structure, when sprocket and one of them chain link unit 100 transmission are joined in marriage, the sprocket is passed through elastic sleeve 200 and is buffered, thereby avoid sprocket and roller 110 to take place rigid collision and produce great noise, and in the sprocket support press in elastic sleeve 200's in-process, the solid grease that is located elastic sleeve 200's inside receives the impact force to both sides removal, make partial solid grease can follow oil discharge hole 220 and spill over, thereby utilize solid grease to lubricate roller 110 and outer link joint 120 matched with position, be favorable to reducing the cost of manual lubrication, also make the chain assembly can reach the effect of self-lubricating in operation, need not to stop the conveyer and improved people's use experience.

It will be appreciated that the solid grease is in a non-flowing paste form in a natural state, which is advantageous in that it is prevented from flowing out of the oil discharge hole 220 under the influence of a non-external force, thereby reducing unnecessary loss of the solid grease.

Referring to fig. 2 and 3, further, the elastic sleeve 200 is movably provided with an elastic member capable of deflecting with respect to the oil discharge hole 220 to open or close the oil discharge hole 220. Specifically, when the sprocket strikes the elastic sleeve 200, the solid grease pushes the elastic member to deflect with respect to the oil discharge hole 220, so that the elastic member opens the oil discharge hole 220, and thus, a part of the solid grease can overflow from the oil discharge hole 220. When the sprocket is separated from the elastic sleeve 200, the elastic member is deformed to block the oil discharge hole 220, so that the solid grease is prevented from overflowing from the oil discharge hole 220 under the action of non-external force, and unnecessary loss of the solid grease is reduced. In some embodiments, the elastic member may be replaced by a baffle plate rotatably disposed inside the elastic sleeve 200, and the baffle plate is kept in a state of blocking the oil discharge hole 220 by the torsion spring under the action of no external force, wherein when the sprocket strikes the elastic sleeve 200, the solid grease pushes the baffle plate to rotate to open the oil discharge hole 220.

Referring to fig. 2 and 3, further, the elastic member includes a plurality of elastic petals 230, the plurality of elastic petals 230 are circumferentially distributed along the inner wall of the oil discharge hole 220, and the plurality of elastic petals 230 can be inwardly folded or outwardly unfolded with respect to the elastic sleeve 200. Specifically, the plurality of elastic petals 230 are mutually folded under the action of no external force so as to be spliced into a circular plate capable of blocking the oil discharge hole 220. When the sprocket strikes the elastic sleeve 200, the solid grease moves to two sides, so that the elastic flap body 230 is pushed to deform so as to open the oil discharge hole 220, and part of the solid grease can overflow from the oil discharge hole 220. It is understood that the elastic petals 230 can be provided in three, four, or five, and the specific number is not limited.

Further, in order to improve the connection strength of the elastic petals 230, so as to prevent the elastic petals 230 from being separated from the elastic sleeve 200, the elastic petals 230 and the elastic sleeve 200 are integrally formed. Specifically, in order to facilitate the processing of the elastic petals 230, a plugging piece for plugging the oil discharge hole 220 is formed in the elastic sleeve 200, and then the plugging piece is cut into a plurality of fan-shaped elastic petals 230.

Referring to fig. 2, further, in order to facilitate lubrication of both ends of the roller 110, wear of the roller 110 is reduced to extend the service life of the chain, two oil discharge holes 220 are provided, and the apertures of the two oil discharge holes 220 face the two outer link plates 120, respectively.

Referring to fig. 1, 2 and 4, further, the elastic sleeve 200 is provided with an oil inlet pipe 240 communicated with the cavity 210, and further comprises oil supplementing devices distributed along the length direction of the chain, wherein the oil supplementing devices are used for conveying solid grease to the oil inlet pipe 240, so that people can fill the solid grease into the elastic sleeve 200. In some embodiments, the oil replenishing device comprises a cylinder, a storage tank, a pipeline and a nozzle, wherein two ends of the storage tank are respectively connected with the cylinder and the pipeline, one end of the pipeline is connected with the nozzle, an outlet of the nozzle faces downwards, and solid lubricating grease is filled in the storage tank. When the nozzle is opposite to the mouth of the oil inlet pipe 240, the cylinder drives its piston to continuously push the solid grease to the pipeline so that the solid grease can be injected into the oil inlet pipe 240 by the nozzle. It will be appreciated that the height difference between the nozzle and the nozzle of the oil inlet pipe 240 is small, so that the sprayed solid lubricant can be quickly introduced into the oil inlet pipe 240, thereby reducing the drop out of the oil inlet pipe 240.

Referring to fig. 1, 2 and 4, further, in order to facilitate the oil filling device to automatically fill oil into the oil inlet pipe 240, the oil filling device includes a first pipeline 300, an identifier is disposed at a pipe orifice of the first pipeline 300, the first pipeline 300 is provided with a first valve body for controlling on-off of the first pipeline, and the identifier and the first valve body are electrically connected with a controller, where when the identifier detects the oil inlet pipe 240, the first pipeline 300 is opposite to the oil inlet pipe 240, so that the oil filling device fills oil into the cavity 210. When the identifier cannot detect the oil inlet pipe 240, the controller judges that the first pipeline 300 and the oil inlet pipe 240 are not in the relative positions, and the controller controls the first valve body to close the first pipeline 300, so that the oil supplementing device can automatically stop oiling the oil inlet pipe 240, and labor capacity of people is reduced. It can be appreciated that the oil replenishing device further includes a second pipeline connected to the first pipeline 300, the second pipeline is provided with a second valve body, the second valve body is electrically connected to the controller, the controller is electrically connected to a start-stop button, when the start-stop button is pressed, the controller controls the second valve body to open the second pipeline, so that people can selectively press the start-stop button, and a time period for oiling the oil replenishing device is controlled conveniently.

Referring to fig. 4, further, one end of the oil inlet pipe 240 is connected with a stop collar 241 by screw thread, and an elastic piece 242 is movably disposed on the inner wall of the oil inlet pipe 240, wherein when the elastic piece 242 abuts against the stop collar 241, the elastic piece 242 can seal the pipe orifice of the oil inlet pipe 240. It will be appreciated that when the link unit 100 is moved to be located above, the elastic member is biased toward one side of the nozzle to open the oil inlet pipe 240 by gravity of itself or supplementary solid grease. When the link unit 100 moves to the lower position, the elastic piece 242 abuts against the limiting sleeve 241 under the action of gravity, so as to seal the oil inlet pipe 240 to avoid dropping of the solid grease.

Further, in order to improve the wear resistance of the elastic sleeve 200, the outer surface of the elastic sleeve 200 is coated with a wear resistant layer.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A self-lubricating noise reducing chain assembly, comprising:

the chain comprises a plurality of groups of chain link units (100) which are mutually connected in series, each group of chain link units (100) comprises a roller (110) and two outer chain plates (120), the roller (110) is arranged between the two outer chain plates (120), an elastic sleeve (200) is sleeved outside the roller (110), a containing cavity (210) for filling solid lubricating grease is arranged on the elastic sleeve (200), an oil discharging hole (220) which is communicated with the containing cavity (210) is formed in the side wall of the elastic sleeve (200), and part of the solid lubricating grease can overflow from the oil discharging hole (220) when the chain link units (100) are meshed with a chain wheel.

2. A self-lubricating noise reducing chain assembly according to claim 1, wherein the elastic sleeve (200) is movably provided with an elastic member which is deflectable relative to the oil discharge hole (220) to open or close the oil discharge hole (220).

3. A self-lubricating noise reducing chain assembly according to claim 2, wherein the elastic member comprises a plurality of elastic petals (230), wherein the elastic petals (230) are circumferentially distributed along the inner wall of the oil discharge hole (220), and the elastic petals (230) are capable of being folded inwards or outwards relative to the elastic sleeve.

4. A self-lubricating noise reducing chain assembly according to claim 3, wherein the resilient flap body (230) is of unitary construction with the resilient sleeve (200).

5. The self-lubricating noise-reducing chain assembly according to claim 2, wherein two oil discharge holes are provided, and the orifices of the two oil discharge holes face the two outer link plates respectively.

6. A self-lubricating noise-reducing chain assembly according to claim 1, further comprising oil supplementing means distributed along the length of the chain, the elastic sleeve (200) being provided with an oil inlet pipe (240) communicating with the cavity (210), the oil supplementing means being adapted to convey solid grease to the oil inlet pipe (240).

7. The self-lubricating noise-reducing chain assembly according to claim 6, wherein the oil supplementing device comprises a first pipeline (300), an identifier is arranged at a pipe orifice of the first pipeline (300), the first pipeline (300) is provided with a first valve body for controlling on-off of the first pipeline, the identifier and the first valve body are electrically connected with a controller, and when the identifier detects the oil inlet pipe (240), the first pipeline (300) is opposite to the oil inlet pipe (240) so that the oil supplementing device supplements oil to the containing cavity (210).

8. The self-lubricating noise-reducing chain assembly according to claim 7, wherein one end of the oil inlet pipe (240) is in threaded connection with a limiting sleeve (241), an elastic sheet (242) is movably arranged on the inner wall of the oil inlet pipe (240), and when the elastic sheet (242) abuts against the limiting sleeve (241), the elastic sheet (242) can seal a pipe orifice of the oil inlet pipe (240).

9. A self-lubricating noise reducing chain assembly according to claim 1, wherein the outer surface of the elastic sleeve (200) is coated with a wear layer.