Self-suspension pneumatic conveying pipeline structure

Abstract

The utility model discloses a self-suspension pneumatic conveying pipeline structure which comprises an air flow conveying pipeline and a connecting pipe, a sealing assembly is arranged at the joint of the air flow conveying pipeline and the connecting pipe, two fixing rings are arranged between the air flow conveying pipeline and the connecting pipe, the outer walls of the two ends of each fixing ring are fixedly connected with protruding blocks, and the protruding blocks are fixedly connected with the air flow conveying pipeline. A pressing plate is clamped to the top of the protruding block, a threaded rod is movably connected into the pressing plate, an inserting opening is formed in the top of one fixing ring, the threaded rod is connected with the inserting opening in an inserted mode, fixing plates are fixedly connected to the two sides of the pressing plate, two inserting grooves are formed in each fixing plate, and inserting rods are fixedly connected into the inserting grooves. According to the connecting device, a worker can conveniently and rapidly connect the airflow conveying pipeline and the connecting pipe, meanwhile, the airflow conveying pipeline and the connecting end of the connecting pipe can be connected more tightly through the second sealing ring and the first sealing ring, and the fixing ring can be positioned and installed.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic conveying, in particular to a self-suspension pneumatic conveying pipeline structure. Background Art

[0002] Pneumatic conveying utilizes the energy of air flow to convey materials along the air flow direction in a closed pipeline, which is a specific application of fluidization technology, and pipelines are required during the conveying process.

[0003] After retrieval, a Chinese patent with the publication number CN102774653B discloses a self-suspension pneumatic conveying method and an air flow conveying pipeline structure. It sets a main flow channel for conveying materials, a return air chamber and a supply air chamber in the air flow conveying pipeline to make the conveyed materials in a suspended state and convey forward under the drive of the main fan of the pneumatic conveying system. However, there are still the following defects. However, most of the conveying pipelines are connected by welding, and the welding operation is complex, which is not suitable for on-site connection or frequent disassembly. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to provide a self-suspension pneumatic conveying pipeline structure.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A self-suspension pneumatic conveying pipeline structure includes an air flow conveying pipeline and a connecting pipe. A sealing component is provided at the connection between the air flow conveying pipeline and the connecting pipe. There are two fixing rings between the air flow conveying pipeline and the connecting pipe. Convex blocks are fixedly connected to the outer walls at both ends of the fixing ring. A pressing plate is clamped on the top of the convex block. A threaded rod is movably connected inside the pressing plate. An insertion opening is formed at the top of one of the fixing rings, and the threaded rod is inserted into the insertion opening. Fixing plates are fixedly connected to both sides of the pressing plate. Two slots are formed inside the fixing plates. Insertion rods are fixedly connected inside the slots, and the insertion rods are inserted into the adjacent fixing ring.

[0007] As a further scheme of the utility model, the sealing component includes a rubber ring. Second sealing rings are integrally formed at both ends of the rubber ring. Second grooves are formed at the connection ends of the air flow conveying pipeline and the connecting pipe, and the second sealing rings are clamped in the second grooves.

[0008] As a further scheme of the utility model, two first grooves are formed inside the inner wall of the fixing ring. First sealing rings are fixedly connected to the outer sides of the connection ends of the air flow conveying pipeline and the connecting pipe.

[0009] As a further scheme of the utility model, the first sealing ring is located inside the first groove.

[0010] As a further solution of the utility model, two positioning rods are fixedly connected to the outer walls on both sides of the connecting pipe.

[0011] As a further solution of the utility model, two positioning grooves are formed in the middle horizontal position of the fixing ring, and the positioning rods are inserted into the positioning grooves.

[0012] As a further solution of the utility model, two guide rods are fixedly connected to the outer walls at both ends of one of the fixing rings, and the guide rods are slidably connected to the fixing plate.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. By using the fixing ring and the threaded rod in cooperation, it is convenient for the staff to quickly connect the air flow conveying pipeline and the connecting pipe, avoiding the complex disassembly and assembly caused by welding, and improving the installation efficiency of the device.

[0015] 2. In the utility model, the second sealing ring can make the connection end of the air flow conveying pipeline and the connecting pipe more tightly connected. At the same time, the first sealing ring makes the connection between the fixing ring and the air flow conveying pipeline and the connecting pipe more tightly connected, realizing secondary sealing of the device.

[0016] 3. By using the positioning rod and the positioning groove in cooperation, the fixing ring is positioned and installed, avoiding wasting time in repeated debugging and improving the positioning effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of a self-suspending pneumatic conveying pipeline structure proposed by the utility model;

[0018] Figure 2 is a sectional structural schematic diagram of the fixing ring of a self-suspending pneumatic conveying pipeline structure proposed by the utility model;

[0019] Figure 3 is a sectional structural schematic diagram of the connecting pipe of a self-suspending pneumatic conveying pipeline structure proposed by the utility model.

[0020] In the figure: 1, air flow conveying pipeline; 2, insertion rod; 3, positioning rod; 4, fixing plate; 5, fixing ring; 6, positioning groove; 7, slot; 8, connecting pipe; 9, convex block; 10, guide rod; 11, threaded rod; 12, pressing plate; 13, first sealing ring; 14, rubber ring; 15, first groove; 16, second sealing ring; 17, second groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] It should be noted that the terms "first", "second", etc. in the description, claims and the above-mentioned drawings of this application are used to distinguish similar objects, and do not necessarily need to be used to describe a specific order or sequence. For the embodiments of this application described herein, based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0022] Referring to Figures 1 - 3 , a self-suspending pneumatic conveying pipeline structure includes an air flow conveying pipeline 1 and a connecting pipe 8. A sealing component is provided at the connection between the air flow conveying pipeline 1 and the connecting pipe 8. There are two fixing rings 5 between the air flow conveying pipeline 1 and the connecting pipe 8. Protrusions 9 are welded to the outer walls at both ends of the fixing ring 5. A pressing plate 12 is clamped on the top of the protrusion 9. A threaded rod 11 is threadedly connected inside the pressing plate 12. An insertion opening is provided at the top of one of the fixing rings 5, and the threaded rod 11 is inserted into the insertion opening. Fixing plates 4 are welded on both sides of the pressing plate 12. Two slots 7 are provided inside the fixing plates 4. A plug rod 2 is fixed in the slot 7 by a bolt, and the plug rod 2 is inserted into the adjacent fixing ring 5. The air flow conveying pipeline 1 is docked with the connecting pipe 8, and then the fixing rings 5 are respectively placed on both sides of the connection between the air flow conveying pipeline 1 and the connecting pipe 8, and the adjacent two protrusions 9 are made to contact each other. Then the pressing plate 12 clamps the protrusion 9 through the groove at its bottom, and the guide rod 10 is inserted into the slot 7 at its corresponding position. At the same time, the plug rod 2 is inserted into the connection hole on its corresponding fixing ring 5. Then the threaded rod 11 is rotated to make it enter the insertion opening, so as to stably connect the air flow conveying pipeline 1 and the connecting pipe 8.

[0023] In the present utility model, it should be noted that the sealing assembly includes a rubber ring 14. Second sealing rings 16 are integrally formed at both ends of the rubber ring 14. Second grooves 17 are provided at the connecting ends of the air flow conveying pipe 1 and the connecting pipe 8, and the second sealing rings 16 are stuck in the second grooves 17. The second sealing rings 16 can make the connection between the air flow conveying pipe 1 and the connecting end of the connecting pipe 8 more tight. Two first grooves 15 are provided on the inner wall of the fixing ring 5. First sealing rings 13 are bonded to the outer sides of the connecting ends of the air flow conveying pipe 1 and the connecting pipe 8. The first sealing rings 13 are located in the first grooves 15. The first sealing rings 13 make the connection between the fixing ring 5 and the air flow conveying pipe 1 and the connecting pipe 8 more tight, realizing secondary sealing of the device. Two positioning rods 3 are fixed to both outer walls of the connecting pipe 8 by bolts. Two positioning grooves 6 are provided at the middle horizontal position of the fixing ring 5, and the positioning rods 3 are inserted into the positioning grooves 6. Through the cooperation of the positioning rods 3 and the positioning grooves 6, the fixing ring 5 is positioned and installed, avoiding wasting time in repeated debugging. Two guide rods 10 are fixed to both outer walls of one of the fixing rings 5 by bolts, and the guide rods 10 are slidably connected to the fixing plate 4. The guide rods 10 can guide the fixing plate 4, so that the card slots at the bottom of the pressing plate 12 accurately catch the convex blocks 9.

[0024] Working principle: When it is necessary to connect the air flow conveying pipe 1 and the connecting pipe 8, first dock the air flow conveying pipe 1 and the connecting pipe 8, so that the second sealing rings 16 at both ends of the rubber ring 14 are respectively caught in the second grooves 17. Then place the fixing rings 5 on both sides of the connection between the air flow conveying pipe 1 and the connecting pipe 8 respectively, and make the first sealing rings 13 enter the first grooves 15. Insert the positioning rods 3 into the positioning grooves 6. At the same time, two adjacent convex blocks 9 are in contact. Then catch the convex blocks 9 with the grooves at the bottom of the pressing plate 12, and insert the guide rods 10 into the corresponding slots 7. At the same time, insert the insertion rods 2 into the corresponding connection holes on the fixing rings 5. Then rotate the threaded rod 11 to make it enter the socket, thereby making the connection between the air flow conveying pipe 1 and the connecting pipe 8 stable.

[0025] The present utility model has been described through the above embodiments. Those skilled in the art can understand that the present utility model is not limited to the above embodiments. According to the teachings of the present utility model, more modifications can be made, and these modifications all fall within the scope of protection required by the present utility model. The scope of protection of the present utility model is defined by the appended claims and their equivalent scope.

Claims

1. A self-suspending pneumatic conveying pipeline structure, comprising an air-flow conveying pipeline (1) and a connecting pipe (8), characterized in that, A sealing assembly is provided at the connection between the pneumatic conveying pipeline (1) and the connecting pipe (8). There are two fixing rings (5) between the pneumatic conveying pipeline (1) and the connecting pipe (8). Both outer walls at the two ends of the fixing ring (5) are fixedly connected with bumps (9). The top of the bump (9) is clamped with a pressing plate (12). A threaded rod (11) is movably connected inside the pressing plate (12). An insertion opening is provided at the top of one of the fixing rings (5), and the threaded rod (11) is inserted into the insertion opening. Both sides of the pressing plate (12) are fixedly connected with fixing plates (4). Two slots (7) are provided inside the fixing plates (4). A plug rod (2) is fixedly connected inside the slot (7), and the plug rod (2) is inserted into the adjacent fixing ring (5).

2. The self-suspending pneumatic conveying pipeline structure according to claim 1, wherein The sealing assembly includes a rubber ring (14). Second sealing rings (16) are integrally formed at both ends of the rubber ring (14). Second grooves (17) are provided at the connection ends of the pneumatic conveying pipeline (1) and the connecting pipe (8), and the second sealing rings (16) are clamped in the second grooves (17).

3. The self-suspending pneumatic conveying pipeline structure according to claim 1, wherein, Two first grooves (15) are provided on the inner wall of the fixing ring (5). First sealing rings (13) are fixedly connected to the outer sides of the connection ends of the pneumatic conveying pipeline (1) and the connecting pipe (8).

4. The self-suspending pneumatic conveying pipeline structure according to claim 3, wherein, The first sealing ring (13) is located in the first groove (15).

5. The self-suspending pneumatic conveying pipeline structure according to claim 1, wherein Two positioning rods (3) are fixedly connected to both outer walls of the connecting pipe (8).

6. The self-suspending pneumatic conveying pipeline structure according to claim 5, characterized in that, Two positioning grooves (6) are provided at the middle horizontal position of the fixing ring (5), and the positioning rods (3) are inserted into the positioning grooves (6).

7. The self-suspending pneumatic conveying pipeline structure according to claim 1, characterized in that Two guide rods (10) are fixedly connected to both outer walls at the two ends of one of the fixing rings (5), and the guide rods (10) are slidably connected to the fixing plates (4).

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