CN214093541U

CN214093541U - Telescopic pulverized coal pipeline compensator

Info

Publication number: CN214093541U
Application number: CN202023282080.4U
Authority: CN
Inventors: 纪晓东; 纪旦根; 刘凯丽; 陈进; 黄锦忠; 景爱萍
Original assignee: Jiangsu Tongfang Machinery Manufacturing Co ltd
Current assignee: Jiangsu Tongfang Machinery Manufacturing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-31
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a telescopic buggy pipeline compensator, including the bellows, the equal fixedly connected with go-between in the left and right sides of bellows, two the one end that the bellows was kept away from to the go-between has welded first connector and second connector respectively, the first flange of the equal fixedly connected with in upper surface of first connector and second connector. This telescopic pulverized coal pipeline compensator, through setting up the go-between, L type sleeve, a spring, fixed lantern ring and stop screw, be convenient for provide a short distance flexible function to this compensator, the problem that traditional compensator does not have any restriction bellows expansion structure has effectively been solved, when the bellows meets thermal expansion, the L type sleeve at bellows both ends promotes the spring and extrudees to the outside and stretches out and draws back, offset each other to the expanded power in both sides with the bellows, guarantee that the bellows can not lead to unable retraction because of excessive inflation, protective effect to the bellows is better, the life of this compensator has been prolonged.

Description

Telescopic pulverized coal pipeline compensator

Technical Field

The utility model relates to a pipeline compensator technical field specifically is a telescopic buggy pipeline compensator.

Background

The pipeline compensator is also called as a telescopic device or a telescopic joint or an expansion joint and is mainly used for compensating thermal expansion and cold contraction of a pipeline caused by temperature change, if the pipeline cannot be expanded or contracted completely and freely during the temperature change, thermal stress is generated in the pipeline, and the stress must be considered in the pipeline design, otherwise, the stress can cause the fracture of the pipeline and influence the normal production.

After the bellows on the existing compensator is heated for a long time and excessively expands, the elasticity of the bellows is weakened, the function of retraction can not be realized, the normal transportation of pulverized coal is seriously influenced, the existing compensator does not have a telescopic structure for protecting the bellows, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic buggy pipeline compensator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a telescopic coal powder pipeline compensator comprises a corrugated pipe, wherein the left side and the right side of the corrugated pipe are both fixedly connected with connecting rings, one ends of the two connecting rings, which are far away from the corrugated pipe, are respectively welded with a first connector and a second connector, the upper surfaces of the first connector and the second connector are fixedly connected with first flanges, the opposite surfaces of the two first flanges are respectively provided with a second flange, the inner walls of the two second flanges are respectively and fixedly connected with a first pipeline and a second pipeline, the surfaces of the first pipeline and the second pipeline are both fixedly connected with fixed lantern rings, the side surfaces of the two fixed lantern rings are both provided with the same threaded holes, the inner wall of the threaded hole is connected with a limit screw in a threaded manner, the surface of the limit screw is sleeved with a spring, the surface of the connecting ring is fixedly connected with two L-shaped sleeves, and the inner walls of the L-shaped sleeves are in sliding connection with the surfaces of the limiting screws.

Preferably, the same screw holes are formed in the side faces of the first flange and the second flange, and the inner wall of each screw hole is in threaded connection with a mounting bolt.

Preferably, the number of the L-shaped sleeves is four, and the side face of each L-shaped sleeve is overlapped with one end of each spring.

Preferably, an inner pipe is arranged inside the corrugated pipe, and a plurality of elastic expansion pieces are fixedly connected to the surface of the inner pipe.

Preferably, one end of the elastic expansion piece, which is far away from the inner pipe, is fixedly connected with the inner wall of the corrugated part of the corrugated pipe.

Preferably, the surface of the limit screw is in threaded connection with a limit nut, and one side of the limit nut is in lap joint with the side face of the fixed sleeve ring.

Advantageous effects

The utility model provides a telescopic buggy pipeline compensator possesses following beneficial effect:

1. this telescopic pulverized coal pipeline compensator, through setting up the go-between, L type sleeve, a spring, fixed lantern ring and stop screw, be convenient for provide a short distance flexible function to this compensator, the problem that traditional compensator does not have any restriction bellows expansion structure has effectively been solved, when the bellows meets thermal expansion, the L type sleeve at bellows both ends promotes the spring and extrudees to the outside and stretches out and draws back, offset each other to the expanded power in both sides with the bellows, guarantee that the bellows can not lead to unable retraction because of excessive inflation, protective effect to the bellows is better, the life of this compensator has been prolonged.

2. This telescopic pulverized coal pipeline compensator, through setting up inner tube and elastic expansion piece, be convenient for enlarge the inside circulation space of bellows, when the inside buggy flow of bellows is great, the internal pressure that the buggy flows is big, strike the bellows inner wall for a long time, lead to the bellows damaged or drop easily, and elastic expansion piece's setting can be when the buggy strikes the inner tube, enlarge the internal diameter of bellows, reduce the internal pressure that the buggy flows through the mode that enlarges the circulation space, guarantee that the bellows can bear the buggy of great flow, pressure-bearing nature is higher.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

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

fig. 3 is an enlarged schematic view of a structure in fig. 1.

In the figure: the device comprises a corrugated pipe 1, a connecting ring 2, a first connecting head 3, a second connecting head 4, a first pipeline 5, a second pipeline 6, a fixed lantern ring 7, a limit screw 8, a spring 9, a 10L-shaped sleeve, a mounting bolt 11, an inner pipe 12, an elastic expansion piece 13 and a limit nut 14.

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. 1-3, the present invention provides a technical solution: the utility model provides a telescopic buggy pipeline compensator, includes bellows 1, and the inside of bellows 1 is provided with inner tube 12, and the fixed surface of inner tube 12 is connected with a plurality of elastic expansion piece 13, and elastic expansion piece 13 keeps away from the one end of inner tube 12 and the ripple department inner wall fixed connection of bellows 1, and stop screw 8's surperficial threaded connection has stop nut 14.

Through setting up inner tube 12 and elastic expansion piece 13, be convenient for enlarge the inside circulation space of bellows 1, when the inside buggy flow of bellows 1 is great, the internal pressure that the buggy flows is big, impact 1 inner wall of bellows for a long time, lead to bellows 1 damaged or drop easily, and elastic expansion piece 13's setting can be when the buggy strikes inner tube 12, enlarge the internal diameter of bellows 1, reduce the internal pressure that the buggy flows through the mode that enlarges the circulation space, guarantee that bellows 1 can bear the buggy of great flow, pressure-bearing nature is higher.

The equal fixedly connected with go-between 2 in the left and right sides of bellows 1, bellows 1 was kept away from to two go-between 2 one end weld respectively have first connector 3 and second connector 4, the first flange of the equal fixedly connected with of upper surface of first connector 3 and second connector 4, the face in opposite directions of two first flanges all is provided with the second flange, the same screw has all been seted up to the side of first flange and second flange, and the inner wall threaded connection of screw has construction bolt 11.

The inner walls of the two second flanges are fixedly connected with a first pipeline 5 and a second pipeline 6 respectively, the surfaces of the first pipeline 5 and the second pipeline 6 are fixedly connected with a fixed lantern ring 7, one side of a limiting nut 14 is in lap joint with the side surface of the fixed lantern ring 7, the side surfaces of the two fixed lantern rings 7 are provided with the same threaded holes, the inner wall of each threaded hole is in threaded connection with a limiting screw rod 8, and a spring 9 is sleeved on the surface of each limiting screw rod 8.

The surface of the connecting ring 2 is fixedly connected with two L-shaped sleeves 10, the inner walls of the L-shaped sleeves 10 are in sliding connection with the surfaces of the limiting screws 8, the number of the L-shaped sleeves 10 is four, and the side surfaces of the L-shaped sleeves 10 are in lap joint with one ends of the springs 9.

Through setting up go-between 2, L type sleeve 10, spring 9, fixed lantern ring 7 and stop screw 8, be convenient for provide a function that can the short distance is flexible to this compensator, effectively solved the problem that traditional compensator does not have any restriction bellows 1 expanding structure, when bellows 1 meets thermal expansion, the L type sleeve 10 at bellows 1 both ends promotes spring 9 and extrudes to the outside and stretches out and draws back, offset each other with the expanded power in bellows 1 to both sides, guarantee that bellows 1 can not lead to unable retraction because of excessive inflation, the protecting effect to bellows 1 is better, the life of this compensator has been prolonged.

The working principle is as follows: when the coal powder pipeline compensator is used, firstly, second flanges on a first pipeline 5 and a second pipeline 6 and first flanges on a first connector 3 and a second connector 4 are fixed through mounting bolts 11, after the first flange and the second flange are fixed, a limiting screw 8 respectively penetrates through a fixed lantern ring 7, a spring 9 and an L-shaped sleeve 10 and is limited through a limiting nut 14, when the inner wall of a corrugated pipe 1 is heated to expand, the corrugated pipe 1 is opened towards two sides, meanwhile, the L-shaped sleeve 10 is driven through a connecting ring 2 to push the spring 9, the spring 9 deforms, the tension of expansion of the corrugated pipe 1 is offset, the expansion force of the corrugated pipe 1 is ensured not to reach a peak, the problem that the corrugated pipe 1 cannot retract due to excessive expansion is effectively solved, the protection performance of the corrugated pipe 1 is high, and when the flow of coal powder in the corrugated pipe 1 is large, an elastic expansion piece 13 on the surface of an inner pipe 12 deforms, make the internal diameter grow of bellows 1, reduce the buggy through the mode that increases the circulation space and flow interior pressure, guarantee that bellows 1 can not lead to bellows 1 to drop or damaged condition to appear because of the big and long-time impact of buggy flowing pressure to bellows 1 inside, improved bellows 1's bearing performance, the practicality is higher.

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. A telescopic pulverized coal pipe compensator comprises a corrugated pipe (1), and is characterized in that: the corrugated pipe is characterized in that connecting rings (2) are fixedly connected to the left side and the right side of the corrugated pipe (1), one ends, far away from the corrugated pipe (1), of the two connecting rings (2) are respectively welded with a first connector (3) and a second connector (4), the upper surfaces of the first connector (3) and the second connector (4) are respectively fixedly connected with a first flange, the opposite surfaces of the two first flanges are respectively provided with a second flange, the inner walls of the two second flanges are respectively fixedly connected with a first pipeline (5) and a second pipeline (6), the surfaces of the first pipeline (5) and the second pipeline (6) are respectively fixedly connected with a fixed lantern ring (7), the side surfaces of the two fixed lantern rings (7) are respectively provided with the same threaded hole, the inner wall of the threaded hole is in threaded connection with a limit screw (8), and the surface of the limit screw (8) is sleeved with a spring (9), the surface of the connecting ring (2) is fixedly connected with two L-shaped sleeves (10), and the inner walls of the L-shaped sleeves (10) are in sliding connection with the surfaces of the limiting screws (8).

2. The telescopic pulverized coal pipe compensator according to claim 1, wherein: the same screw hole is all seted up to the side of first flange and second flange, and the inner wall threaded connection of screw has construction bolt (11).

3. The telescopic pulverized coal pipe compensator according to claim 1, wherein: the number of the L-shaped sleeves (10) is four, and the side faces of the L-shaped sleeves (10) are overlapped with one end of the spring (9).

4. The telescopic pulverized coal pipe compensator according to claim 1, wherein: an inner pipe (12) is arranged inside the corrugated pipe (1), and a plurality of elastic expansion pieces (13) are fixedly connected to the surface of the inner pipe (12).

5. The telescopic pulverized coal pipe compensator according to claim 4, wherein: one end of the elastic expansion piece (13) far away from the inner tube (12) is fixedly connected with the inner wall of the corrugated part of the corrugated tube (1).

6. The telescopic pulverized coal pipe compensator according to claim 1, wherein: the surface of the limiting screw rod (8) is in threaded connection with a limiting nut (14), and one side of the limiting nut (14) is in lap joint with the side face of the fixed lantern ring (7).