CN214058899U

CN214058899U - Sweeper capable of preventing chain from slipping

Info

Publication number: CN214058899U
Application number: CN202022738207.2U
Authority: CN
Inventors: 彭科发; 杨�嘉; 邓科; 舒夏; 段成刚; 李昌涛
Original assignee: Chongqing Liuhui Electromechanical Equipment Co Ltd
Current assignee: Chongqing Liuhui Electromechanical Equipment Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-08-27
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a sweeper for preventing chain from slipping, which comprises a round-link chain, a head transmission mechanism and a tail transmission mechanism; one end of the round-link chain is sleeved on the head transmission mechanism, and the other end of the round-link chain is sleeved on the tail transmission mechanism; the sweeper is also provided with a riding wheel mechanism and a chain wheel which are lapped with the round-link chain; chain wheels are arranged at two ends of the circular ring chain; the chain wheel is provided with a tensioning groove for meshing the chain; the riding wheel mechanisms are distributed in the length direction of the circular ring chain; the tensioning groove on the chain wheel comprises an annular groove and a sinking groove; the sinking groove is communicated with the annular groove; the sinking groove is arranged in the middle of the annular groove; the depth of the annular groove is greater than that of the sinking groove. Its advantages are: the middle part of the round-link chain is lifted and the end part of the round-link chain is tensioned, so that the round-link chain can effectively play a role in supporting, and the phenomenon of chain jumping and slipping can be effectively prevented.

Description

Sweeper capable of preventing chain from slipping

Technical Field

The utility model belongs to the technical field of the scavenging machine technique and specifically relates to a prevent scavenging machine that chain skidded.

Background

The belt conveyer as one kind of friction driven continuous material conveying machine consists of mainly frame, conveyer belt, carrier roller, tensioner, transmission unit, etc. The material conveying device can form a material conveying flow path from an initial feeding point to a final discharging point on a certain conveying line. The conveying device can be used for conveying both broken materials and finished articles. Besides pure material conveying, the device can also be matched with the requirements of the technological process in the production flow of each industrial enterprise to form a rhythmic line production conveying line. The belt conveyor is high in belt speed and high in powder moisture content, so that a large amount of adhered materials are generated below a bend wheel at the head wheel position of the belt conveyor, the materials are seriously scattered, a large amount of waste is caused, a large amount of blanking materials accumulated below a belt are not cleaned in time, the belt is abraded, and the belt cannot work normally. In the prior art, a sweeper is generally adopted for cleaning, however, the sweeper in the prior art has the following defects and shortcomings:

first, in the sweeping machine in the prior art, a friction structure is adopted between the chain and the chain wheel, and the design mode is that the chain is easy to slip and even has a chain jumping phenomenon in the working state.

Secondly, in the sweeping machine in the prior art, the stroke of the chain is relatively long, and the whole chain is in a long suspended state, which also causes the chain to easily slip.

Chinese patent document CN201721118210.6, application date 20170902, with patent names: a sweeper of a belt conveyor. The sweeper mainly comprises a brush roll arranged below a driving roll of the belt conveyor, a driving gear box and a driven gear box which are arranged at two ends of the brush roll, and a spiral sleeve and a positioning pin which are arranged in the driven gear box and transversely push the brush roll.

According to the belt conveyor sweeper disclosed by the patent document, the brush roller can transversely reciprocate while rotating, the problem that materials (especially filamentous materials) adhered along the belt transmission direction cannot be cleaned or cannot be cleaned completely is effectively solved, material loss is reduced, equipment efficiency is improved, and environmental pollution can be reduced to a certain extent. However, a technical solution for effectively preventing the chain from slipping and jumping at a plurality of positions of the chain is not disclosed.

In view of the above, there is a need for a sweeper that can effectively prevent slippage and chain jumping at multiple locations on a chain, and no report on such a sweeper is available.

Disclosure of Invention

The utility model aims at providing a plurality of positions at the chain, can effectually prevent skidding and jump the scavenging machine of chain.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a sweeper for preventing a chain from slipping comprises a round-link chain, a head transmission mechanism and a tail transmission mechanism; one end of the round-link chain is sleeved on the head transmission mechanism, and the other end of the round-link chain is sleeved on the tail transmission mechanism; the sweeper is also provided with a riding wheel mechanism and a chain wheel which are lapped with the round-link chain; chain wheels are arranged at two ends of the circular ring chain; the chain wheel is provided with a tensioning groove for meshing the chain; the riding wheel mechanisms are distributed in the length direction of the circular ring chain; the tensioning groove on the chain wheel comprises an annular groove and a sinking groove; the sinking groove is communicated with the annular groove; the sink groove is arranged in the middle of the annular groove; the depth of the annular groove is greater than that of the sinking groove.

As a preferred technical scheme, the riding wheel mechanism is at least one.

As a preferred technical scheme, the riding wheel mechanisms are divided into two groups, each group is provided with three riding wheel mechanisms, and the three riding wheel mechanisms are linearly distributed.

As a preferred technical scheme, the riding wheel mechanism comprises a riding wheel body; the supporting roller body is provided with a rotating shaft in a penetrating way; limiting plates are arranged at two ends of the rotating shaft; a shaft sleeve is arranged at the joint of the rotating shaft and the support body; the riding wheel body is provided with a chain riding groove.

As a preferable technical scheme, the chain supporting groove is U-shaped.

As a preferred technical scheme, a bearing is arranged at the joint of the rotating shaft and the riding wheel body; the circular chain part is accommodated in the chain supporting groove.

As a preferred technical scheme, the center of the chain wheel is provided with a shaft hole; the shaft hole is provided with a spline groove; and a spline is assembled in the spline groove.

As a preferred solution, the chain rings of the chain wheel have a gap in the assembled state.

The utility model has the advantages that:

1. the utility model discloses a kind of sweeper that prevents chain from skidding lifts and the tip carries out the tensioning effect through the middle part to the round-link chain for the round-link chain can effectively play the support, can effectively prevent to jump the chain and the phenomenon of skidding.

2. The riding wheel mechanism sets up, mainly lifts the function to the middle part of round-link chain, can effectively overcome the gravity of itself on the round-link chain to and the gravity of the scraper blade frame of connecting on the round-link chain, can effectually prevent that the round-link chain middle part from taking place to skid or the chain phenomenon.

3. Through the design of the chain wheel, the two ends of the circular ring chain are mainly tensioned, and the phenomena of chain jumping and slipping can be prevented for the end part of the circular ring chain; because when the round-link chain tip, the round-link chain has carried out the switching-over motion, takes place the chain easily and the phenomenon of skidding.

4. A chain wheel is provided with a tensioning groove for meshing the chain; the riding wheel mechanisms are distributed in the length direction of the circular ring chain; the tensioning groove on the chain wheel comprises an annular groove and a sinking groove; the sinking groove is communicated with the annular groove; the sink groove is arranged in the middle of the annular groove; the depth of the annular groove is greater than that of the sinking groove. The effect of this design is: can hold horizontal chain ring and vertical chain ring on the round-link chain, can effectually avoid the round-link chain to skid, prevent that the round-link chain from droing because of the tensioning on the sprocket.

Drawings

Fig. 1 is a schematic structural view of a main view direction of the sweeper for preventing chain slip of the present invention.

Fig. 2 is a schematic plan view of the sweeper for preventing chain slip according to the present invention.

Fig. 3 is a schematic structural diagram of the riding wheel mechanism.

Fig. 4 is a schematic plan view of the riding wheel mechanism.

FIG. 5 is a schematic view of a sprocket construction.

FIG. 6 is a schematic plan view of the sprocket.

Detailed Description

The invention will be further described with reference to the following examples and with reference to the accompanying drawings.

The reference numerals and components referred to in the drawings are as follows:

1. round-link chain 2 head transmission mechanism

3. Tail transmission mechanism 4. chain wheel

41. Tension groove 411 annular groove

42. Axle hole 43 spline groove

412. Sinking groove 5. riding wheel mechanism

51. Riding wheel body 52. rotating shaft

53. Position limiting plate 54. chain supporting groove

55. Bearing assembly

Referring to fig. 1, fig. 1 is a schematic structural view of a chain skid prevention sweeping machine according to the present invention. The sweeper comprises a circular ring chain 1, a head transmission mechanism 2 and a tail transmission mechanism 3; one end of the round-link chain 1 is sleeved on the head transmission mechanism 2, and the other end is sleeved on the tail transmission mechanism 3.

Referring to fig. 2, fig. 2 is a schematic plan view of a sweeper for preventing chain from slipping according to the present invention. The sweeper is also provided with a riding wheel mechanism 5 and a chain wheel 4 which are lapped with the round-link chain 1; chain wheels 4 are arranged at two ends of the round-link chain 1; the chain wheel 4 is provided with a tensioning groove 41 for meshing the chain. The riding wheel mechanisms 5 are distributed in the length direction of the circular ring chain 1; the number of the riding wheel mechanisms 5 is at least one. As a preferable scheme, the riding wheel mechanisms 5 are divided into two groups, each group is provided with three riding wheel mechanisms 5, and the three riding wheel mechanisms 5 are linearly distributed.

Referring to fig. 3, fig. 3 is a schematic structural diagram of the riding wheel mechanism 5. The riding wheel mechanism 5 comprises a riding wheel body 51; a rotating shaft 52 is arranged in the riding wheel body 51 in a penetrating way; limiting plates 53 are arranged at two ends of the rotating shaft 52; a shaft sleeve is arranged at the joint of the rotating shaft 52 and the support body; the riding wheel body 51 is provided with a chain riding groove 54.

Referring to fig. 4, fig. 4 is a schematic plan view of the riding wheel mechanism 5. The chain supporting groove 54 is U-shaped; a bearing 55 is arranged at the joint of the rotating shaft 52 and the riding wheel body 51; the round-link chain 1 is partially accommodated in the chain supporting groove 54.

Referring to fig. 5, fig. 5 is a schematic structural view of the sprocket 4. The tension groove 41 on the chain wheel 4 comprises an annular groove 411 and a sinking groove 412; the sinking groove 412 is communicated with the annular groove 411; the sink groove is arranged in the middle of the annular groove; the depth of the annular groove is greater than the depth of the sink groove 412.

Referring to fig. 6, fig. 6 is a schematic plan view of the sprocket 4. Gaps are formed between the circular ring chains 1 of the chain wheel 4 in an assembling state; the center of the chain wheel 4 is provided with a shaft hole 42; the shaft hole 42 is provided with a spline groove 43; the spline grooves 43 are provided with splines.

The embodiment needs to be explained as follows:

the sweeper is also provided with a riding wheel mechanism 5 and a chain wheel 4 which are overlapped with the round-link chain 1. Wherein riding wheel mechanism 5 sets up, mainly lifts the function to the middle part of round-link chain 1, can effectively overcome the gravity of round-link chain 1 itself to and the gravity of scraping the board frame of connecting on the round-link chain 1, can effectually prevent that 1 middle part of round-link chain from taking place to skid or the chain phenomenon. Secondly, the chain wheel 4 is designed, the two ends of the round-link chain 1 are mainly tensioned, and the chain jumping and slipping phenomena can be prevented for the end part of the round-link chain 1; when the end part of the round-link chain 1 is arranged, the round-link chain 1 carries out reversing movement, and the chain and the slipping phenomenon are easy to occur.

The chain wheel 4 is provided with a tensioning groove 41 for meshing the chain; the riding wheel mechanisms 5 are distributed in the length direction of the circular ring chain 1; the tension groove 41 on the chain wheel 4 comprises an annular groove 411 and a sinking groove 412; the sinking groove 412 is communicated with the annular groove 411; the sink groove is arranged in the middle of the annular groove; the depth of the annular groove is greater than the depth of the sink groove 412. The effect of this design is: can hold horizontal chain ring and vertical chain ring on the round-link chain 1, can effectually avoid round-link chain 1 to skid, prevent that round-link chain 1 from droing because of the tensioning on sprocket 4. In the traditional scheme, a friction structure is adopted, so that the chain jumping phenomenon is easy to generate.

The riding wheel mechanisms 5 are divided into two groups, each group is provided with three riding wheel mechanisms 5, and the three riding wheel mechanisms 5 are linearly distributed. Three lifting points can be established on the round-link chain 1, gravity can be effectively overcome, and the lifting function is effectively achieved.

The riding wheel mechanism 5 comprises a riding wheel body 51; a rotating shaft 52 is arranged in the riding wheel body 51 in a penetrating way; limiting plates 53 are arranged at two ends of the rotating shaft 52; a shaft sleeve is arranged at the joint of the rotating shaft 52 and the support body; the riding wheel body 51 is provided with a chain riding groove 54. The disengaging wheel body can rotate, and the friction force between the tug wheel body and the round-link chain 1 is reduced. The chain supporting groove 54 is designed to prevent the chain from sinking due to gravity, so that the chain cannot keep a stable state.

The chain supporting groove 54 is U-shaped. The U-shaped design has good stress bearing performance.

A bearing 55 is arranged at the joint of the rotating shaft 52 and the riding wheel body 51; the round-link chain 1 is partially accommodated in the chain supporting groove 54. The effect of this design is: through the design of bearing 55, can play the support function to countershaft 52, round-link chain 1 box holds in the palm chain groove 54 and adopts the part to hold, ensures that round-link chain 1 can hold in the palm the swing joint relatively between the chain groove 54, guarantees that round-link chain 1 can stably slide.

The center of the chain wheel 4 is provided with a shaft hole 42; the shaft hole 42 is provided with a spline groove 43; the spline grooves 43 are provided with splines. The effect of this design is: so that the ring chain 1 and the chain wheel 4 can ensure the stable rotation of the chain wheel 4 in the tensioning process.

The round-link chains 1 of the chain wheel 4 have a gap in an assembling state. The round-link chains 1 of the chain wheel 4 have a gap in an assembling state. Thus, the round-link chain 1 is movably connected between the end part and the chain wheel 4, and the tensioning is convenient.

The utility model discloses a kind of sweeper that prevents chain from skidding lifts and the tip carries out the tensioning effect through the middle part to round-link chain 1 for round-link chain 1 can effectively play the support, can effectively prevent to jump the chain and the phenomenon of skidding.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principles of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.

Claims

1. A sweeper for preventing a chain from slipping is characterized by comprising a round-link chain, a head transmission mechanism and a tail transmission mechanism; one end of the round-link chain is sleeved on the head transmission mechanism, and the other end of the round-link chain is sleeved on the tail transmission mechanism; the sweeper is also provided with a riding wheel mechanism and a chain wheel which are lapped with the round-link chain; chain wheels are arranged at two ends of the circular ring chain; the chain wheel is provided with a tensioning groove for meshing the chain; the riding wheel mechanisms are distributed in the length direction of the circular ring chain; the tensioning groove on the chain wheel comprises an annular groove and a sinking groove; the sinking groove is communicated with the annular groove; the sinking groove is arranged in the middle of the annular groove; the depth of the annular groove is greater than that of the sinking groove.

2. The chain slippage preventing sweeper of claim 1, wherein said at least one idler mechanism.

3. The chain slippage preventing sweeper of claim 2, wherein there are two sets of idler mechanisms, and each set has three idler mechanisms linearly spaced from each other.

4. The chain slippage prevention sweeper of claim 1, wherein said idler mechanism includes an idler body; the supporting roller body is provided with a rotating shaft in a penetrating way; limiting plates are arranged at two ends of the rotating shaft; a shaft sleeve is arranged at the joint of the rotating shaft and the support body; the riding wheel body is provided with a chain riding groove.

5. The chain slip prevention sweeper of claim 4 wherein said chain receiving slot is U-shaped.

6. The chain slippage preventing sweeper according to claim 5, wherein a bearing is arranged at the joint of the rotating shaft and the riding wheel body; the circular chain part is accommodated in the chain supporting groove.

7. The chain slippage preventing sweeper according to claim 1, wherein a shaft hole is formed in a center of the sprocket; the shaft hole is provided with a spline groove; and a spline is assembled in the spline groove.

8. The chain slip prevention sweeper of claim 1 wherein said link chains of said sprocket have a gap therebetween in an assembled condition.