CN218663749U

CN218663749U - Chain wheel tensioning assembly for tail of scraper conveyor

Info

Publication number: CN218663749U
Application number: CN202221276693.3U
Authority: CN
Inventors: 孙向军; 闫利云; 闫震
Original assignee: Shanxi Zhonglian Kechuang Machinery Manufacturing Co ltd
Current assignee: Shanxi Zhonglian Kechuang Machinery Manufacturing Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-03-21
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a sprocket tight subassembly that rises for scraper conveyor tail, including the afterbody, the front end internal surface mounting of afterbody has sprocket one, and the front end internal surface mounting of afterbody has sprocket two, and the chain has all been cup jointed to the outer wall of sprocket one, sprocket two, and the front end internal surface mounting of afterbody has the link, and the lower extreme internal surface of link is provided with the bolt, and the upper end external surface fixed connection of bolt has the fixed plate. This a sprocket tight subassembly that rises for scraper conveyor tail will drive the fixed plate rebound through rotating the bolt for among the three laminating embedding chains of sprocket, thereby along with the rate of tension of chain is adjusted to the continuous rebound of three sprockets, stability when improving scraper conveyor and carrying is used together with two through guard plate one, can protect whole sprocket, avoids the mistake to bump the sprocket and hinder the people, thereby improves the security when sprocket operation.

Description

Chain wheel tensioning assembly for tail of scraper conveyor

Technical Field

The utility model relates to a scraper conveyor technical field specifically is a sprocket tight subassembly that rises that is used for scraper conveyor tail.

Background

The scraper conveyer is used for conveying bulk materials in a groove and is called a scraper conveyer, in the current coal mining working face, the scraper conveyer not only conveys coal and materials, but also is a running track of a coal mining machine, so the scraper conveyer becomes essential main equipment in the modern coal mining process, the main structure and the components of various scraper conveyers are basically the same, the scraper conveyer comprises a nose part, a middle part, a tail part and the like, in addition, a hydraulic jack device for pushing the conveyer and an accessory component such as a chain tightener used in chain tightening are also arranged, the tail part is a device for returning the scraper chain, the working principle of the scraper conveyer is that an open chute is used as a bearing piece of coal, gangue or materials and the like, the scraper is fixed on the chain to form the scraper chain, the scraper chain is used as a traction component, a chain wheel on a machine head shaft is driven to rotate after a machine head transmission part is started, and a chain wheel assembly is required to control in order to ensure the stable running of the scraper conveyer tail, so the scraper conveyer is widely applied.

Present sprocket tight subassembly that rises when using, the chain of scraper conveyor runs for a long time, the phenomenon that the chain will appear not hard up and drop even, it is not stable enough to make the chain move, lead to the direct winding of chain and break, thereby influence scraper conveyor's normal transport, the life of chain has been reduced, and the sprocket tight subassembly that rises is at the in-process that uses, the sprocket all exposes in the external world and uses, if near personnel do not touch the sprocket of operation by small-size mistake, personal safety will be endangered, the security greatly reduced, be unfavorable for the use of sprocket, based on the above-mentioned problem, for this, a sprocket tight subassembly that rises for scraper conveyor tail has been proposed.

Disclosure of Invention

In view of the above problem, the utility model provides a sprocket tight subassembly that rises for scraper conveyor tail to improve above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a sprocket tight subassembly that rises for scraper conveyor tail, including the afterbody, the front end internal surface mounting of afterbody has sprocket one, the front end internal surface mounting of afterbody has sprocket two, sprocket one, the chain has all been cup jointed to the outer wall of sprocket two, the front end internal surface mounting of afterbody has the link, the lower extreme internal surface of link is provided with the bolt, the outer fixed surface of upper end of bolt is connected with the fixed plate, the front end internal surface rotation of fixed plate is connected with sprocket three, the right side internal surface of afterbody is provided with guard plate one, the upper end internal surface rotation of afterbody is connected with guard plate two.

Optionally, the inner surface of the front end of the connecting frame is in threaded connection with a first screw, the outer surface of the lower end of the fixing plate is fixedly connected with a limiting rod, the inner surface of the right side of the first protection plate is in sliding connection with an inserted rod, the outer wall of the inserted rod is in threaded connection with a screw cap, the inner surface of the upper end of the tail portion is provided with a threaded hole, and the inner surface of the upper end of the second protection plate is provided with a second screw.

Optionally, the inner surface of the lower end of the connecting frame is provided with a first internal thread, the outer wall of the bolt is provided with a first external thread, the first internal thread is matched with the first external thread, and the inner surface of the lower end of the connecting frame is in threaded connection with the inner surface of the lower end of the connecting frame.

Optionally, a movable groove is formed in the inner surface of the right side of the tail portion, the movable groove is matched with the first protection plate, and the outer surface of the left side of the first protection plate is rotatably connected with the inner surface of the right side of the tail portion through the movable groove.

Optionally, the inner surface of the upper end of the tail part is provided with a sliding groove, the sliding groove is matched with the limiting rod, and the outer wall of the limiting rod is connected with the inner surface of the upper end of the tail part in a sliding mode through the sliding groove.

Optionally, the inner surface of the upper end of the second protection plate is provided with a second internal thread, the outer surface of the lower end of the second screw is provided with a second external thread, the second internal thread is matched with the second external thread, and the inner surface of the upper end of the second protection plate is in threaded connection with the outer surface of the lower end of the second screw.

Compared with the prior art, the utility model provides a sprocket tight subassembly that rises for scraper conveyor tail possesses following beneficial effect:

1. this a sprocket tight subassembly that rises for scraper conveyor tail through utilizing four screw of group department with link mounting plate afterbody to this stability of guaranteeing the link rotates the bolt after that, and the bolt will drive the fixed plate rebound, makes among the three laminating embedding chains of sprocket, thereby along with the continuous rebound of sprocket three and adjust the rate of tension of chain, stability when improving scraper conveyor and carrying.

2. This a sprocket tight subassembly that rises for scraper conveyor tail, upwards rotate through guard plate one for guard plate one covers sprocket one, insert guard plate one with the inserted bar again, utilize two sets of spiro lids to fix the inserted bar afterwards, rotate guard plate two downwards again, let guard plate two cover sprocket two, reuse screw two and fix guard plate two, guard plate one and guard plate two together use simultaneously, can protect whole sprocket, avoid the mistake to bump the sprocket and hinder the people, thereby the security when improving the sprocket operation.

Drawings

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

FIG. 2 is a schematic structural view of the connecting frame of the present invention;

FIG. 3 is a schematic view illustrating the installation of a first protection plate of the present invention;

fig. 4 is an installation schematic diagram of the second middle protection plate of the present invention.

In the figure: 1. a tail part; 2. a chain wheel I; 3. a second chain wheel; 4. a chain; 5. a connecting frame; 6. a first screw; 7. a bolt; 8. a fixing plate; 9. a third chain wheel; 10. a limiting rod; 11. a first protection plate; 12. inserting a rod; 13. a screw cap; 14. a threaded hole; 15. a second protection plate; 16. and a second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a chain wheel tensioning assembly for a scraper conveyor tail comprises a tail part 1, a chain wheel I2 is mounted on the inner surface of the front end of the tail part 1, a chain wheel II 3 is mounted on the inner surface of the front end of the tail part 1, chains 4 are sleeved on the outer walls of the chain wheel I2 and the chain wheel II 3, a connecting frame 5 is mounted on the inner surface of the front end of the tail part 1, the connecting frame 5 can be conveniently mounted or dismounted through mounting of the connecting frame 5, the tension degree of the chains 4 can be conveniently adjusted, the chains 4 can be more stably and reliably used, a bolt 7 is arranged on the inner surface of the lower end of the connecting frame 5, an internal thread I is arranged on the inner surface of the lower end of the connecting frame 5, an external thread I is arranged on the outer wall of the bolt 7 and is matched with the external thread I, the inner surface of the lower end of the connecting frame 5 is in threaded connection with the inner surface of the lower end of the connecting frame 5, a fixing plate 8 is fixedly connected to the outer surface of the upper end of the bolt 7, and is matched with the fixing plate 8 through the bolt 7, the fixing plate 8 moves up and down along with the adjustment of the bolts 7 so as to adjust the tension of the chain 4, the inner surface of the front end of the fixing plate 8 is rotatably connected with a third chain wheel 9, the shape of the third chain wheel 9 is matched with the chain 4, so that the third chain wheel 9 can be used for slowly extruding the limiting chain 4, the chain wheel is in the best tension degree, the inner surface of the right side of the tail part 1 is provided with a first protection plate 11, the inner surface of the right side of the tail part 1 is provided with a movable groove, the movable groove is matched with the first protection plate 11, the outer surface of the left side of the first protection plate 11 is rotatably connected with the inner surface of the right side of the tail part 1 through the movable groove, the inner surface of the upper end of the tail part 1 is rotatably connected with a second protection plate 15, the two protection plates are matched with the first protection plate 11 and the second protection plate 15, and are respectively arranged at the first chain wheel 2 and the second protection plate 3, the chain wheel is more stable and safer in operation.

Referring to fig. 1 and 4, a first screw 6 is connected to an inner surface of a front end of the connecting frame 5 through a first screw thread, a limiting rod 10 is fixedly connected to an outer surface of a lower end of the fixing plate 8, the limiting rod 10 is used for limiting up and down adjustment of the fixing plate 8, the fixing plate 8 cannot rotate along with rotation of the bolt 7, three chain wheels 9 are just embedded into the chain 4 to adjust tension of the chain wheels, a sliding groove is formed in an inner surface of an upper end of the tail portion 1 and is matched with the limiting rod 10, an outer wall of the limiting rod 10 is slidably connected with the inner surface of the upper end of the tail portion 1 through the sliding groove, an inserting rod 12 is slidably connected to an inner surface of a right side of the first screw hole 11, a screw cap 13 is connected to an outer wall of the inserting rod 12 through a screw cap 13, the two chain wheels are fixedly installed through installation of the inserting rod 12 and the screw cap 13, the first screw cap 11 is used for protecting the first chain wheels, the first protective plate 11 is protected through the first screw hole 14, a threaded hole 14 is formed in the inner surface of the upper end of the tail portion 1, the screw hole 14 is also installed in the connecting frame 5, adjustment of the upper end of the chain 4 is convenient to use, a second protective plate 15, a second screw 16 is arranged on an inner surface of an outer surface of the second screw hole 15, the second screw hole 16 is arranged to protect the inner surface of the second protective plate 15, and is used for protecting the inner surface of the second screw 15, and is arranged to facilitate connection of the outer surface of the second protective plate 15, and is arranged on the outer surface of the outer screw 15, the second screw 15, the protective plate 15, the outer surface of the second screw 15, the protective plate 15, the outer surface of the second screw 15, the protective plate 15.

To sum up, this a sprocket tight subassembly that rises for scraper conveyor tail is when using, through afterbody 1, link 5, screw one 6, bolt 7, fixed plate 8 uses with the cooperation of sprocket three 9, then utilize four group screws one 6 with link 5 installation afterbody 1 department, with this stability of guaranteeing link 5, rotate bolt 7 afterwards, bolt 7 will drive fixed plate 8 rebound, make among the laminating embedding chain 4 of sprocket three 9, thereby adjust the rate of tension of chain 4 along with the continuous rebound of sprocket three 9, improve the stability when scraper conveyor carries, through guard plate one 11, inserted bar 12, the spiral shell lid 13, the cooperation of guard plate two 15 and screw two 16 is used, then guard plate one 11 upwards rotates, make guard plate one 11 cover sprocket one 2 departments, insert inserted bar 12 into guard plate one 11 again, utilize two sets of spiral shell lids 13 to fix inserted bar 12 afterwards, then downwards rotate guard plate two 15, let two guard plates 15 cover sprocket two 3, reuse two 16 to fix two sprocket 15, simultaneously one uses with two sprocket 11, thereby the safety protection plate 15 can improve the guard plate when the sprocket 15 and the sprocket collision.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sprocket tight subassembly that rises for scraper conveyor tail, includes the afterbody, the front end internally surface mounting of afterbody has sprocket one, the front end internally surface mounting of afterbody has sprocket two, the chain has all been cup jointed to the outer wall of sprocket one, sprocket two, its characterized in that: the front end internal surface mounting of afterbody has the link, the lower extreme internal surface of link is provided with the bolt, the upper end external surface fixed connection of bolt has the fixed plate, the front end internal surface rotation of fixed plate is connected with sprocket three, the right side internal surface of afterbody is provided with guard plate one, the upper end internal surface rotation of afterbody is connected with guard plate two.

2. The chain wheel tensioning assembly for the tail of the scraper conveyor as claimed in claim 1, wherein: the front end internal surface threaded connection of link has screw one, the lower extreme external surface fixed connection of fixed plate has the gag lever post, the right side internal surface sliding connection of guard plate one has the inserted bar, the outer wall threaded connection of inserted bar has the spiral shell lid, the upper end internal surface of afterbody has threaded hole, the upper end internal surface of guard plate two is provided with screw two.

3. The chain wheel tensioning assembly for the tail of the scraper conveyor as claimed in claim 1, wherein: the bolt is characterized in that an internal thread I is arranged on the inner surface of the lower end of the connecting frame, an external thread I is arranged on the outer wall of the bolt, the internal thread I is matched with the external thread I, and the inner surface of the lower end of the connecting frame is in threaded connection with the inner surface of the lower end of the connecting frame.

4. The chain wheel tensioning assembly for the tail of the scraper conveyor as claimed in claim 1, wherein: the right side internal surface of afterbody has seted up the activity groove, activity groove and a guard plate looks adaptation, the left side surface of guard plate one is connected with the right side internal surface rotation of afterbody through the activity groove.

5. The chain wheel tensioning assembly for the tail of the scraper conveyor as claimed in claim 2, wherein: the inner surface of the upper end of the tail part is provided with a sliding groove, the sliding groove is matched with the limiting rod, and the outer wall of the limiting rod is connected with the inner surface of the upper end of the tail part in a sliding mode through the sliding groove.

6. The chain wheel tensioning assembly for the tail of the scraper conveyor as claimed in claim 2, wherein: the inner surface of the upper end of the second protection plate is provided with a second internal thread, the outer surface of the lower end of the second screw is provided with a second external thread, the second internal thread is matched with the second external thread, and the inner surface of the upper end of the second protection plate is in threaded connection with the outer surface of the lower end of the second screw.