Pipeline for pneumatic conveying

Abstract

The utility model relates to the technical field of pneumatic conveying, in particular to a pneumatic conveying pipeline which comprises a first outer pipe, a damping rod, a spring and a bolt, a first inner pipe is arranged in the first outer pipe, a first flange plate is fixedly connected to the outer side of the first outer pipe, and a second flange plate is detachably connected to the bottom end of the first flange plate. A second outer pipe is fixedly connected to the inner side of the second flange plate, a second inner pipe is arranged in the second outer pipe, threaded holes are formed in the first flange plate and the second flange plate, bolts are spirally connected to the inner sides of the threaded holes, and nuts are arranged at the other ends of the bolts. A first protective shell and a second protective shell are arranged on the outer side of the first flange plate and the outer side of the second flange plate, and a first rotating shaft is fixedly connected to the outer side of the first protective shell, the inner pipe can be effectively prevented from being affected by material impact and pipeline vibration through the damping rod and the spring, and therefore the service life of the inner pipe is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic conveying technical field, concretely is a pipeline for pneumatic conveying. BACKGROUND

[0002] Pneumatic conveying is a kind of technology for conveying powder material in closed pipeline using air flow energy, is widely used in chemical industry, food, plastics, building materials and other industries, and the stability and wear resistance of the pipeline for pneumatic conveying as the core component of pneumatic conveying system have decisive influence on the efficiency and service life of the whole system, the pneumatic conveying system transports material through gas power, has the characteristics of high efficiency and safety, and is especially suitable for the conveying of powdery and granular materials.

[0003] Most of the pipeline for pneumatic conveying on the market directly bears the impact of material during pneumatic conveying, which can easily cause the inner tube to wear or damage, shorten the service life of the inner tube, secondly, the flange plate is exposed for a long time after installation, which is easy to be damaged, lacks effective protection measures, affects the integrity of the flange plate and the reliability of the connection, and moreover, although a few flange plates are provided with protection measures, the disassembly process is often complex, which increases the difficulty and time cost of maintenance, therefore, the pipeline for pneumatic conveying is provided for the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pipeline for pneumatic conveying to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A pipeline for pneumatic conveying, comprising a first outer tube, a damping rod, a spring and a bolt, the inside of the first outer tube is provided with a first inner tube, the outer side of the first outer tube is fixedly connected with a first flange plate, the bottom end of the first flange plate is detachably connected with a second flange plate, the inner side of the second flange plate is fixedly connected with a second outer tube, the inside of the second outer tube is provided with a second inner tube, the first flange plate and the second flange plate are both provided with threaded holes, the inner side of the threaded hole is spirally connected with a bolt, the other end of the bolt is provided with a nut, the outer side of the first flange plate and the second flange plate is provided with a first protective shell and a second protective shell, the outer side of the first protective shell is fixedly connected with a first rotating shaft, the outer side of the second protective shell is fixedly connected with a second rotating shaft, the first rotating shaft is rotatably connected with the second rotating shaft, and the number of the first rotating shaft is two.

[0007] Preferably, the side of the first protective shell close to the second protective shell is provided with a buckle, and the side of the second protective shell close to the first protective shell is provided with a clamping groove.

[0008] Preferably, the inner side of the first outer tube and the second outer tube is fixedly connected with a plurality of damping rods, and the outer side of the damping rod is provided with a spring.

[0009] Preferably, one end of the first inner tube is provided with a groove, and one end of the second inner tube is provided with a protruding block.

[0010] Preferably, the movable rod of the damping rod is fixedly connected with a connecting plate, and the outer side of the first inner tube and the second inner tube is fixedly connected with the connecting plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a damping rod and a spring are arranged, the inner tube can be effectively protected from the influence of material impact and pipeline vibration, thereby prolonging the service life of the inner tube.

[0013] 2、The utility model discloses a first protection shell and a second protection shell are arranged, and an additional protection layer is formed for the first flange plate and the second flange plate, so that the flange plate is prevented from being damaged by long-term exposure, and the integrity of the flange plate and the reliability of the connection are ensured.

[0014] 3、The utility model discloses a first rotating shaft and a second rotating shaft are arranged, so that the first protection shell and the second protection shell can rotate flexibly, are quickly detached when needed, are convenient to maintain and overhaul, and the convenience of maintenance is improved. DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a first protection shell structure schematic view of the utility model;

[0017] Figure 3 It is a second protection shell structure schematic view of the utility model;

[0018] Figure 4 It is a second outer tube structure schematic view of the utility model;

[0019] Figure 5 It is a first flange plate structure schematic view of the utility model.

[0020] In the drawing: 1, first outer tube;2, first inner tube;3, damping rod;4, spring;5, first protection shell;6, second protection shell;7, first rotating shaft;8, second rotating shaft;9, first flange plate;10, second flange plate;11, bolt;12, nut;13, second inner tube;14, second outer tube;15, threaded hole. CONCRETE IMPLEMENTATION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] In the description of the present application, it should be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship is usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the protection scope of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0023] In addition, it should be noted that the use of "first", "second" and the like to limit parts, only for the convenience of distinguishing the corresponding parts, such as no further declaration, the above words have no special meaning, therefore, it cannot be understood as a limitation on the protection scope of the present application.

[0024] Please refer to Figures 1-5 The present application provides a technical scheme:

[0025] A pipeline for pneumatic conveying, comprising a first outer pipe 1, a damping rod 3, a spring 4 and a bolt 11, the inside of the first outer pipe 1 is provided with a first inner pipe 2, the outer side of the first outer pipe 1 is fixedly connected with a first flange plate 9, the bottom end of the first flange plate 9 is detachably connected with a second flange plate 10, the inner side of the second flange plate 10 is fixedly connected with a second outer pipe 14, the inside of the second outer pipe 14 is provided with a second inner pipe 13, the first flange plate 9 and the second flange plate 10 are both provided with threaded holes 15, the inner side of the threaded holes 15 is spirally connected with the bolt 11, the other end of the bolt 11 is provided with a nut 12, the outer side of the first flange plate 9 and the second flange plate 10 is provided with a first protective shell 5 and a second protective shell 6, the outer side of the first protective shell 5 is fixedly connected with a first rotating shaft 7, the outer side of the second protective shell 6 is fixedly connected with a second rotating shaft 8, the first rotating shaft 7 is rotatably connected with the second rotating shaft 8, the number of the first rotating shaft 7 is two.

[0026] The first protective shell 5 is provided with buckles on the side close to the second protective shell 6, and the second protective shell 6 is provided with clamping grooves on the side close to the first protective shell 5, so that the first protective shell 5 and the second protective shell 6 are kept stably closed; the inner sides of the first outer pipe 1 and the second outer pipe 14 are fixedly connected with a plurality of damping rods 3, and the outer sides of the damping rods 3 are provided with springs 4, so as to protect the first inner pipe 2 and the second inner pipe 13 from the impact of materials and the vibration of the pipeline; one end of the first inner pipe 2 is provided with a groove, and one end of the second inner pipe 13 is provided with a protruding block, so as to ensure that the two can be stably connected; the movable rods of the damping rods 3 are fixedly connected with a connecting plate, and the outer sides of the first inner pipe 2 and the second inner pipe 13 are fixedly connected with the connecting plate, so as to improve the stability of the first inner pipe 2 and the second inner pipe 13.

[0027] Workflow: All electrical appliances in the utility model are provided with external power supply or built-in battery, before starting the pneumatic conveying system, first check the pneumatic conveying pipeline, ensure that all parts are in good condition, no damage or wear and tear, the first inner pipe 2 and the second inner pipe 13 are arranged in the first outer pipe 1 and the second outer pipe 14, when connecting the first outer pipe 1 and the second outer pipe 14, first ensure that the ports of the two are aligned, at the same time, align the protruding block at one end of the second inner pipe 13 with the groove of the first inner pipe 2, ensure that the two can be stably connected, the outer sides of the first inner pipe 2 and the second inner pipe 13 are provided with damping rods 3 and springs 4, so as to protect the inner pipe from the impact of materials and the vibration of the pipeline, align the first flange plate 9 and the second flange plate 10, ensure that the threaded holes 15 on the two are aligned, rotate the bolt 11 and install it into the threaded hole 15, so that the first flange plate 9 and the second flange plate 10 can be detachably connected, install the nut 12 on the other end of the bolt 11, enhance the stability of the connection, use the first rotating shaft 7 and the second rotating shaft 8, open the first protective shell 5 and the second protective shell 6, place them to the outer sides of the first flange plate 9 and the second flange plate 10, through the buckles on the first protective shell 5 and the clamping grooves on the second protective shell 6, keep the first protective shell 5 and the second protective shell 6 stably closed, so as to completely protect the flange plate, prevent it from being exposed for a long time, ensure the integrity of the flange plate and the reliability of the connection, check whether all parts are installed in place and the connection is firm, ensure the stability and safety of the pneumatic conveying pipeline, through the above process, the installation work of the pneumatic conveying pipeline is completed, and subsequent debugging and operation can be carried out, this installation method not only protects the inner pipe and the flange plate, but also improves the convenience of maintenance, ensures the efficient and stable operation of the pneumatic conveying system.

[0028] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art. The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic conveying pipe comprising a first outer pipe (1), a damping rod (3), a spring (4) and a screw bolt (11), characterized in that: The inside of the first outer tube (1) is provided with a first inner tube (2), the outside of the first outer tube (1) is fixedly connected with a first flange plate (9), the bottom end of the first flange plate (9) is detachably connected with a second flange plate (10), the inside of the second flange plate (10) is fixedly connected with a second outer tube (14), the inside of the second outer tube (14) is provided with a second inner tube (13), the first flange plate (9) and the second flange plate (10) are both provided with threaded holes (15), the inside of the threaded holes (15) is spirally connected with bolts (11), the other end of the bolts (11) is provided with nuts (12), the outside of the first flange plate (9) and the second flange plate (10) is provided with a first protective shell (5) and a second protective shell (6), the outside of the first protective shell (5) is fixedly connected with a first rotating shaft (7), the outside of the second protective shell (6) is fixedly connected with a second rotating shaft (8), the first rotating shaft (7) is rotatably connected with the second rotating shaft (8), and the number of the first rotating shaft (7) is two.

2. A duct for pneumatic conveying according to claim 1, characterized in that: The side, close to the second protective shell (6), of the first protective shell (5) is provided with a buckle, and the side, close to the first protective shell (5), of the second protective shell (6) is provided with a clamping groove.

3. A duct for pneumatic conveying according to claim 1, characterized in that: The inside of the first outer tube (1) and the second outer tube (14) is fixedly connected with a plurality of damping rods (3), and the outside of the damping rods (3) is provided with springs (4).

4. A duct for pneumatic conveying according to claim 1, characterized in that: One end of the first inner tube (2) is provided with a groove, and one end of the second inner tube (13) is provided with a protruding block.

5. A duct for pneumatic conveying according to claim 3, characterized in that: The movable rod of the damping rod (3) is fixedly connected with a connecting plate, and the outside of the first inner tube (2) and the second inner tube (13) is fixedly connected with the connecting plate. The movable rod of the damping rod (3) is fixedly connected with a connecting plate, and the outside of the first inner tube (2) and the second inner tube (13) is fixedly connected with the connecting plate.

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