CN217209442U

CN217209442U - Coal gangue abrasion-proof flat back elbow with access cover

Info

Publication number: CN217209442U
Application number: CN202220952655.9U
Authority: CN
Inventors: 刘森; 王畅; 刘佳; 姚兴峰; 刘均章
Original assignee: Pingdingshan Jingyu Industrial Co ltd
Current assignee: Pingdingshan Jingyu Industrial Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-16
Anticipated expiration: 2032-04-24

Abstract

The utility model belongs to the technical field of flat back elbows, and discloses a coal gangue abrasion-proof flat back elbow with an access cover, which comprises an elbow main body, wherein the elbow main body comprises an inlet pipe, one end of the inlet pipe is connected with a reversing pipe, one end of the reversing pipe is connected with an outlet pipe, one side of the reversing pipe is fixedly connected with a base, the base is rotatably connected with the access cover, the access cover is provided with two fixing piles, the base is rotatably connected with a pull rod corresponding to the fixing piles, the pull rod is rotatably connected with a pull ring, the pull ring of the utility model can rotate relative to the pull rod, the pull rod is rotated towards the fixing piles, so that the pull ring is separated from the fixing piles, otherwise, after the pull rod is rotated to the dead point position, the pull ring is pulled to fixedly lock the access cover through the fixing piles, thereby preventing leakage, the structure is simple and convenient, and the maintenance cost is low, the disassembly frequency of the access cover can be reduced, so that the maintenance is more convenient and time-saving, and the sealing performance of the device is ensured.

Description

Coal gangue abrasion-proof flat back elbow with access cover

Technical Field

The utility model belongs to the technical field of the flat back elbow, concretely relates to coal gangue abrasionproof flat back elbow of area access cover.

Background

The coal gangue is waste residue generated in the process of coal mining, has low carbon content, can be used for producing building materials such as gangue cement, lightweight aggregate of concrete, refractory bricks and the like, can also be used for recovering coal, can be used for generating power by co-combustion of coal and gangue, can also be used as fertilizer, and the flat back elbow belongs to a powder feeding device of a combustor and is an important component of a combustion system.

But the plain back elbow on the existing market often adopts the connected mode of flange and bolt when being connected with pipeline, and its scattered part is numerous, and the installation is wasted time and energy, and current plain back elbow is when overhauing through the access cover, often will disassemble it get off, and this process is more loaded down with trivial details, dismantles many times moreover and can influence original cooperation precision to make the leakproofness of device reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal gangue abrasionproof back of body elbow of area access cover to the problem that needs the flat back of body elbow of repeated dismouting and pipe connection process waste time and energy when solving the maintenance through access cover that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coal gangue abrasionproof back of body elbow of area access cover, includes the elbow main part, the elbow main part includes the import pipe, the one end of import pipe is connected with the switching-over pipe, the one end of switching-over pipe is connected with the outlet pipe, one side fixedly connected with base of switching-over pipe, it is connected with the access cover to rotate on the base, the access is covered and is provided with two spud piles, and rotates on the base corresponding to the position of spud pile and be connected with the pull rod, it is connected with the pull ring to rotate on the pull rod.

Preferably, the one end of import pipe is connected with the conveyer pipe, the conveyer pipe extends to the inside of import pipe, and installs cylinder and frame in the import pipe, the rotation is connected with the locking lever in the frame, the one end of locking lever is connected with the output of cylinder.

Preferably, the inside of switching-over pipe is rotated and is connected with the pivot, install the guide plate in the pivot, the one end fixedly connected with knob of pivot, and install the sealing ring in the pivot.

Preferably, a sealing groove is formed in the conveying pipe, and a sealing ring is installed inside the sealing groove.

Preferably, one side of the access cover, which is opposite to the fixing pile, is provided with a grinding plate, and the inside of the elbow main body is provided with a wear-resistant lining.

Preferably, a lifting lug is installed on the base, and an observation window is installed on the maintenance cover.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a pull ring can rotate for the pull rod, when the burning process breaks down and need pass through the maintenance lid maintenance, rotate the pull rod to the direction of spud pile, thereby make the pull ring break away from the spud pile, and then remove the fixed of maintenance lid, otherwise, after the pull rod rotates to the dead point position, the pulling pull ring dies the maintenance lid fixed lock through the spud pile, prevent to reveal the emergence, this simple structure is convenient, and the maintenance cost is low, the dismantlement number of times of reducible maintenance lid, thereby make the maintenance more convenient save time, and guaranteed the leakproofness of device.

(2) The utility model discloses a cylinder drives the locking lever and rotates for the frame, according to lever principle, can be with the conveyer pipe zonulae occludens of import pipe rather than the below to realize the device's quick assembly disassembly, this structure does not have scattered part, can avoid losing of partial spare part, and it is convenient to maintain moreover, and is with low costs, can improve work efficiency.

Drawings

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

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

FIG. 3 is a schematic structural view of the deflector of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

in the figure: 1. an elbow main body; 2. a base; 3. an access cover; 4. fixing the pile; 5. a pull rod; 6. a pull ring; 7. a delivery pipe; 8. a cylinder; 9. a frame; 10. a lock lever; 11. a baffle; 12. a rotating shaft; 13. a knob; 14. a seal ring; 15. grinding; 16. a wear-resistant bushing; 17. lifting lugs; 18. an observation window; 19. a sealing groove; 20. a seal ring; 21. an inlet pipe; 22. an outlet pipe; 23. and a reversing pipe.

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. 1-4, the present invention provides the following technical solutions: a coal gangue wear-resistant flat back elbow with an access cover comprises an elbow main body 1, the elbow main body 1 comprises an inlet pipe 21, one end of the inlet pipe 21 is connected with a reversing pipe 23, one end of the reversing pipe 23 is connected with an outlet pipe 22, one side of the reversing pipe 23 is fixedly connected with a base 2, the base 2 is rotatably connected with the access cover 3, the access cover 3 is provided with two fixing piles 4, the position of the base 2 corresponding to the fixing pile 4 is rotatably connected with a pull rod 5, the pull rod 5 is rotatably connected with a pull ring 6, a mixture of coal gangue and air enters the elbow main body 1 through the inlet pipe 21 and then enters a combustor through the reversing pipe 23 and the outlet pipe 22, when maintenance is needed, the pull rod 5 is rotated towards the fixing pile 4, so that the pull ring 6 is separated from the fixing pile 4, and then the fixing of the access cover 3 is released, otherwise, after the pull rod 5 is rotated to the dead point position, the fixed lock of access cover 3 is died through spud pile 4 to pulling pull ring 6, prevents to reveal the emergence.

Further, the one end of import pipe 21 is connected with conveyer pipe 7, conveyer pipe 7 extends to the inside of import pipe 21, and install cylinder 8 and frame 9 on the import pipe 21, it is connected with locking lever 10 to rotate on the frame 9, the one end of locking lever 10 is connected with the output of cylinder 8, it rotates for frame 9 to drive locking lever 10 through cylinder 8, import pipe 21 rather than the conveyer pipe 7 zonulae occludens of below, thereby realize the device's quick assembly disassembly, the structure does not have scattered part, can avoid losing of partial spare part, and convenient maintenance, therefore, the carrier wave prepaid electric energy meter is low in cost, and can improve work efficiency.

Furthermore, the inside of the reversing pipe 23 is rotatably connected with a rotating shaft 12, a guide plate 11 is installed on the rotating shaft 12, one end of the rotating shaft 12 is fixedly connected with a knob 13, a sealing ring 14 is installed on the rotating shaft 12, the sealing performance is ensured by the sealing ring 14 on the rotating shaft 12, the guide plate 11 on the rotating shaft 12 can prevent the mixture from slagging in the pipeline, and the direction of the guide plate 11 can be adjusted through the knob 13.

Furthermore, a sealing groove 19 is formed in the conveying pipe 7, a sealing ring 20 is installed inside the sealing groove 19, and the sealing performance of the device is guaranteed by the sealing ring 20 in the sealing groove 19.

Further, one side that access cover 3 is the same back to spud pile 4 is provided with abrasive disc 15, and the inside of elbow main part 1 is provided with wear-resisting bush 16, and wear-resisting bush 16 is made to the wear-resisting pottery of the general adoption in industry, adopts to paste, weld, cup joint or the riveted mode with it installs inside the pipeline to improve the device's wearability, abrasive disc 15's effect is also the same.

Furthermore, the base 2 is provided with a lifting lug 17, the access cover 3 is provided with an observation window 18, and the device generally has larger mass, so that an auxiliary mechanism is needed in the moving process, the lifting lug 17 can be connected with other devices such as a lifting hook, and the internal working state of the device can be observed through the observation window 18 under the condition of no machine halt.

The utility model discloses a theory of operation and use flow: when the utility model is used, after the device is transported to a designated position by using the lifting lug 17, the cylinder 8 drives the lock rod 10 to rotate relative to the frame 9, the inlet pipe 21 is tightly connected with the conveying pipe 7 below the inlet pipe, the mixture of the coal gangue and the air enters the elbow main body 1 through the inlet pipe 21 and then enters the combustor through the reversing pipe 23 and the outlet pipe 22, the guide plate 11 on the rotating shaft 12 can prevent the mixture from slagging in the pipeline, the direction of the guide plate 11 can be adjusted by the knob 13, at this time, the condition in the device can be observed through the observation window 18, when in need of maintenance, the pull rod 5 is rotated towards the direction of the fixed pile 4, so that the pull ring 6 is separated from the fixed pile 4, the access cover 3 is further released, the abrasive disc 15 and the wear-resistant bush 16 can improve the wear resistance of the device, and the sealing ring 20 in the sealing groove 19 and the sealing ring 14 on the rotating shaft 12 ensure the sealing performance of the device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 coal gangue abrasionproof back of body elbow of area access cover which characterized in that: including elbow main part (1), elbow main part (1) is including import pipe (21), the one end of import pipe (21) is connected with switching-over pipe (23), the one end of switching-over pipe (23) is connected with outlet pipe (22), one side fixedly connected with base (2) of switching-over pipe (23), it is connected with access cover (3) to rotate on base (2), be provided with two spud piles (4) on access cover (3), and the position rotation that is corresponding to spud pile (4) on base (2) is connected with pull rod (5), it is connected with pull ring (6) to rotate on pull rod (5).

2. The coal gangue wear-resistant flat back elbow with the access cover of claim 1, which is characterized in that: the one end of import pipe (21) is connected with conveyer pipe (7), conveyer pipe (7) extend to the inside of import pipe (21), and install cylinder (8) and frame (9) on import pipe (21), it is connected with locking lever (10) to rotate on frame (9), the one end of locking lever (10) is connected with the output of cylinder (8).

3. The coal gangue wear-resistant flat back elbow with the access cover of claim 2, which is characterized in that: the inside of switching-over pipe (23) is rotated and is connected with pivot (12), install guide plate (11) on pivot (12), the one end fixedly connected with knob (13) of pivot (12), and install sealing ring (14) on pivot (12).

4. The coal gangue wear-resistant flat back elbow with the access cover of claim 3, which is characterized in that: a sealing groove (19) is formed in the conveying pipe (7), and a sealing ring (20) is installed inside the sealing groove (19).

5. The coal gangue wear-resistant flat back elbow with the access cover as claimed in claim 4, wherein: one side of the access cover (3) back to the fixed pile (4) is provided with a grinding sheet (15), and a wear-resistant lining (16) is arranged inside the elbow main body (1).

6. The coal gangue wear-proof plain back elbow with the access cover as claimed in claim 5, wherein: the base (2) is provided with a lifting lug (17), and the access cover (3) is provided with an observation window (18).