CN206929483U - Circular seal Three-D compensator - Google Patents

Abstract

The utility model relates to a circular sealed three-dimensional compensator, which comprises a middle pipe, a left connecting pipe and a right connecting pipe. The left connecting pipe is provided with a first ring plate, the left end of the middle pipe is provided with a second ring plate, the first ring plate and the second The first corrugated hose is sealed and connected between the ring plates, and the left end of the first connecting pipe forms a sliding and sealing fit with the outer wall of the left connecting pipe. The first packing cavity is formed in the first corrugated hose, and the first packing cavity is filled with ceramic fibers. Packing; the right connecting pipe is provided with a third ring plate, the right end of the middle pipe is provided with a fourth ring plate, a second corrugated hose is sealed and connected between the third ring plate and the fourth ring plate, and the left end of the second connecting pipe is connected to the middle outer wall A sliding and sealing fit is formed between them, and a second packing cavity is formed in the second corrugated hose, and the second packing cavity is filled with ceramic fiber filler. Improve the sealing performance of the packing cavity in the compensator, the sealing structure is stable and reliable, and meet the compensation requirements of the three-dimensional compensator in the axial, angular, lateral and various directions.

Description

Circular sealed three-dimensional compensator

technical field

The utility model relates to a circular sealed three-dimensional compensator.

Background technique

The three-dimensional corrugated compensator is a special compensator specially designed for pulverized coal pipelines, which can compensate the synthetic displacement in axial, angular, lateral and various directions;

The current three-dimensional corrugated compensator has poor sealing performance and is prone to the problem of packing leakage.

Utility model content

The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art, provide a circular sealed three-dimensional compensator, and solve the defect of poor sealing performance of the existing three-dimensional compensator.

The technical solution adopted by the utility model to solve the technical problem is: a circular sealed three-dimensional compensator, including a middle pipe, a left connecting pipe and a right connecting pipe, the left connecting pipe is provided with a first ring plate, and the left end of the middle pipe is A second ring plate is provided, a first corrugated hose is sealed and connected between the first ring plate and the second ring plate, a first connecting pipe is arranged on the second ring plate, and the right end of the first connecting pipe is connected to the The second ring plate is fixedly connected, a sliding and sealing fit is formed between the left end of the first connecting pipe and the outer wall of the left connecting pipe, a first packing cavity is formed in the first corrugated hose, and the first packing cavity is filled with ceramic fibers filler;

The right connecting pipe is provided with a third ring plate, the right end of the middle pipe is provided with a fourth ring plate, and a second corrugated hose is sealingly connected between the third ring plate and the fourth ring plate. A second connecting pipe is arranged on the ring plate, the right end of the second connecting pipe is fixedly connected with the third ring plate, a sliding and sealing fit is formed between the left end of the second connecting pipe and the middle outer wall, and the inner part of the second corrugated hose is formed The second packing chamber is filled with ceramic fiber filler.

Further, the sealed connection structure between the two ends of the first corrugated hose and the first ring plate and the second ring plate is as follows: the first ring plate is provided with a third connecting pipe, and the second ring plate is provided with There is a fourth connecting pipe, and the left and right ends of the first corrugated hose are respectively connected to the third connecting pipe and the inner hole wall of the fourth connecting pipe in sealing connection;

The sealed connection structure between the two ends of the second corrugated hose and the first ring plate and the second ring plate is: the third ring plate is provided with a fifth connecting pipe, and the fourth ring plate is provided with a sixth ring plate. As for the connecting pipe, the left and right ends of the second corrugated hose are respectively sealed and connected to the inner hole walls of the fifth connecting pipe and the sixth connecting pipe.

Further, the sliding sealing structure formed between the left end of the first connecting pipe and the outer wall of the left connecting pipe is as follows: the outer wall of the right end of the left connecting pipe is provided with a retaining ring, and the third packing is formed between the left end of the first connecting pipe and the outer wall of the left connecting pipe cavity, the third packing cavity is provided with a sealing ring and an asbestos twisted rope;

The sliding sealing structure formed between the left end of the second connecting pipe and the middle outer wall is: the outer wall of the right end of the middle pipe is provided with a retaining ring, and a fourth packing cavity is formed between the left end of the second connecting pipe and the outer wall of the middle pipe. Four packing chambers are provided with sealing rings and asbestos twisted ropes.

Further, a plurality of first fastening bolt assemblies are arranged between the first ring plate and the second ring plate, and a plurality of second fastening bolt assemblies are arranged between the third ring plate and the fourth ring plate ;

The fastening bolt assembly includes a bolt rod, the two ends of the bolt rod are respectively provided with threaded sections, and the threaded sections at both ends of the bolt rod respectively pass through the ring plate and are connected with the fastening nut.

The beneficial effects of the utility model are: the sealing performance of the stuffing chamber in the compensator is improved, the sealing structure is stable and reliable, and the requirements of the three-dimensional compensator for compensation in the axial direction, angular direction, transverse direction and various directions are met.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is the schematic diagram of three-dimensional compensator;

Among them, 1. middle pipe, 2. left connecting pipe, 3. right connecting pipe, 4. first corrugated hose, 5. second corrugated hose, 6. first connecting pipe, 7. second connecting pipe, 8. sealing ring.

detailed description

The utility model is described further in conjunction with accompanying drawing now. These drawings are simplified schematic diagrams only to illustrate the basic structure of the utility model in a schematic way, so they only show the configurations related to the utility model.

As shown in Figure 1, a circular sealed three-dimensional compensator includes an intermediate pipe 1, a left connecting pipe 2 and a right connecting pipe 3, the left connecting pipe 2 is provided with a first ring plate, and the left end of the intermediate pipe 1 is provided with a second ring plate, The first corrugated hose 4 is sealed and connected between the first ring plate and the second ring plate, the first connecting pipe 6 is arranged on the second ring plate, the right end of the first connecting pipe 6 is fixedly connected with the second ring plate, the first connecting pipe A sliding and sealing fit is formed between the left end of 6 and the outer wall of the left connecting pipe 2, and a first packing cavity is formed in the first corrugated hose 4, and the first packing cavity is filled with ceramic fiber filler.

The right connecting pipe 3 is provided with a third ring plate, the right end of the middle pipe 1 is provided with a fourth ring plate, the second corrugated hose 5 is sealed and connected between the third ring plate and the fourth ring plate, and the third ring plate is provided with a The second connecting pipe 7, the right end of the second connecting pipe 7 is fixedly connected with the third ring plate, the left end of the second connecting pipe 7 and the middle outer wall form a sliding sealing fit, the second corrugated hose 5 forms a second packing chamber, the second The filler cavity is filled with ceramic fiber filler.

The sealed connection structure between the two ends of the first corrugated hose 4 and the first ring plate and the second ring plate is: the first ring plate is provided with a third connecting pipe, the second ring plate is provided with a fourth connecting pipe, and the first corrugated The left and right ends of the flexible pipe 4 are respectively connected to the inner hole wall of the third connecting pipe and the fourth connecting pipe in sealing connection;

The sealing connection structure between the two ends of the second corrugated hose 5 and the first ring plate and the second ring plate is as follows: the fifth connecting pipe is arranged on the third ring plate, the sixth connecting pipe is arranged on the fourth ring plate, and the second corrugated pipe is arranged on the second ring plate. The left and right ends of the flexible pipe 5 are respectively sealed and connected to the inner hole walls of the fifth connecting pipe and the sixth connecting pipe.

The sliding sealing structure formed between the left end of the first connecting pipe 6 and the outer wall of the left connecting pipe 2 is as follows: the outer wall of the right end of the left connecting pipe 2 is provided with a retaining ring, the third packing chamber is formed between the left end of the first connecting pipe 6 and the outer wall of the left connecting pipe 2, and the third A sealing ring 8 and an asbestos twisted rope are arranged in the stuffing cavity. The retaining ring limits the sealing ring 8 in the third packing cavity, and the twisted asbestos rope is bound on the outer wall of the left connecting pipe 2 .

The sliding sealing structure formed between the left end of the second connecting pipe 7 and the middle outer wall is as follows: the outer wall of the right end of the middle pipe 1 is provided with a retaining ring, and the fourth packing chamber is formed between the left end of the second connecting pipe 7 and the outer wall of the middle pipe 1, and inside the fourth packing chamber A sealing ring 8 and an asbestos twisted rope are provided. The retaining ring limits the sealing ring 8 in the fourth packing cavity, and the asbestos twisted rope is bound on the outer wall of the intermediate pipe 1 .

A plurality of first fastening bolt assemblies are arranged between the first ring plate and the second ring plate, and a plurality of second fastening bolt assemblies are arranged between the third ring plate and the fourth ring plate; the fastening bolt assemblies include bolts The two ends of the bolt rod are respectively provided with threaded sections, and the threaded sections at both ends of the bolt rod respectively pass through the ring plate and are connected with the fastening nut. When the compensator needs to be transported, in order to prevent the movement of the connecting pipes on both sides relative to the middle pipe 1, it is installed on the fastening bolt assembly.

In the compensator of the utility model, the sealing performance of the packing cavity is high, and the sealing structure is stable and reliable, which meets the requirements of the three-dimensional compensator for compensation in the axial direction, angular direction, transverse direction and various directions.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (4)

1. A circular sealed three-dimensional compensator, characterized in that it includes an intermediate pipe (1), a left connecting pipe (2) and a right connecting pipe (3), the left connecting pipe (2) is provided with a first ring plate, so The left end of the middle pipe (1) is provided with a second ring plate, the first corrugated hose (4) is sealed and connected between the first ring plate and the second ring plate, and the second ring plate is provided with a first The connecting pipe (6), the right end of the first connecting pipe (6) is fixedly connected with the second ring plate, the left end of the first connecting pipe (6) and the outer wall of the left connecting pipe (2) form a sliding sealing fit, the first A first packing cavity is formed in a corrugated hose (4), and the first packing cavity is filled with ceramic fiber filler; The right connecting pipe (3) is provided with a third ring plate, the right end of the middle pipe (1) is provided with a fourth ring plate, and the third ring plate and the fourth ring plate are sealed and connected with a second corrugated soft pipe (5), the third ring plate is provided with a second connecting pipe (7), the right end of the second connecting pipe (7) is fixedly connected with the third ring plate, the left end of the second connecting pipe (7) is connected with the A sliding sealing fit is formed between the middle outer walls, and a second packing cavity is formed in the second corrugated hose (5), and the second packing cavity is filled with ceramic fiber filler. 2. The circular sealed three-dimensional compensator according to claim 1, characterized in that, the sealing connection structure between the two ends of the first corrugated hose (4) and the first ring plate and the second ring plate is as follows: A third connecting pipe is provided on the first ring plate, a fourth connecting pipe is provided on the second ring plate, and the left and right ends of the first corrugated hose (4) are connected with the inner holes of the third connecting pipe and the fourth connecting pipe respectively. wall-tight connection; The sealed connection structure between both ends of the second corrugated hose (5) and the first ring plate and the second ring plate is as follows: the third ring plate is provided with a fifth connecting pipe, and the fourth ring plate is provided with There is a sixth connecting pipe, and the left and right ends of the second corrugated hose (5) are respectively in sealing connection with the inner hole walls of the fifth connecting pipe and the sixth connecting pipe. 3. The circular sealed three-dimensional compensator according to claim 1, characterized in that the sliding sealing structure formed between the left end of the first connecting pipe (6) and the outer wall of the left connecting pipe (2) is: the left connecting pipe ( 2) The outer wall of the right end is provided with a retaining ring, a third packing chamber is formed between the left end of the first connecting pipe (6) and the outer wall of the left connecting pipe (2), and a sealing ring (8) and asbestos twisted rope; The sliding sealing structure formed between the left end of the second connecting pipe (7) and the middle outer wall is: the outer wall of the right end of the middle pipe (1) is provided with a stop ring, the left end of the second connecting pipe (7) and the middle pipe (1) A fourth packing cavity is formed between the outer walls, and a sealing ring (8) and an asbestos twisted rope are arranged in the fourth packing cavity. 4. The circular sealed three-dimensional compensator according to claim 1, wherein a plurality of first fastening bolt assemblies are arranged between the first ring plate and the second ring plate, and the third ring plate A plurality of second fastening bolt assemblies are arranged between the fourth ring plate; The fastening bolt assembly includes a bolt rod, the two ends of the bolt rod are respectively provided with threaded sections, and the threaded sections at both ends of the bolt rod respectively pass through the ring plate and are connected with the fastening nut.