Dense phase static pressure type pneumatic conveying noise reduction structure

Abstract

The utility model relates to the technical field of dense phase static pressure type pneumatic conveying, and discloses a dense phase static pressure type pneumatic conveying noise reduction structure which comprises an upper shell, a lower shell is hinged to one side of the upper shell through a hinge, and a plurality of buffer assemblies are fixedly connected to the inner wall of the upper shell and the inner wall of the lower shell. A clamping plate is fixedly connected to the bottom end of the buffering assembly, connecting strips are fixedly connected to one side of the upper shell and one side of the lower shell correspondingly, a plurality of mounting assemblies are rotationally connected into the connecting strips, and two lifting assemblies are fixedly connected to the bottom of the lower shell; the buffer assembly comprises damping hydraulic rods fixedly connected to the inner walls of the upper shell and the lower shell. According to the noise reduction structure for dense-phase static pressure type pneumatic conveying, by arranging the buffer assembly and the clamping plate, the effect of reducing noise of the conveying pipeline is achieved, noise is prevented from being spread to the surrounding environment to cause noise pollution, and the noise reduction capacity of the noise reduction structure for dense-phase static pressure type pneumatic conveying is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dense phase static pressure type pneumatic conveying, especially relates to a dense phase static pressure type pneumatic conveying's noise reduction structure. BACKGROUND

[0002] The dense phase static pressure type pneumatic conveying system is a device that transports solid particles to a target position through airflow, and is usually used for the transmission of materials such as powder and granular materials. Due to the high airflow speed and the large number of material particles, the pneumatic conveying system produces a large amount of noise. By using a reasonable noise reduction structure device, the noise of the pneumatic conveying system can be significantly reduced, the stability and service life of the equipment can be improved, and the working environment and the comfort of employees can be improved.

[0003] The existing noise reduction structure of the dense phase static pressure type pneumatic conveying is inconvenient for noise reduction of the conveying pipeline, which causes noise to spread to the surrounding environment and easily causes noise pollution.

[0004] Therefore, it is necessary to invent a noise reduction structure for dense phase static pressure type pneumatic conveying to solve the above problems. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] The utility model aims at providing a noise reduction structure for dense phase static pressure type pneumatic conveying to solve the problem of inconvenience in noise reduction of the conveying pipeline, noise spreading to the surrounding environment, and easy noise pollution.

[0007] (II) Technical scheme

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a noise reduction structure for dense phase static pressure type pneumatic conveying, comprising an upper shell, a lower shell is hinged on one side of the upper shell through a hinge, the inner walls of the upper shell and the lower shell are fixedly connected with a plurality of sets of buffer assemblies, the bottom end of the buffer assembly is fixedly connected with a clamping plate, one side of the upper shell and the lower shell is fixedly connected with a connecting strip, a plurality of sets of mounting assemblies are rotatably connected in the connecting strip, two sets of lifting assemblies are fixedly connected to the bottom of the lower shell, the buffer assembly comprises a damping hydraulic rod fixedly connected to the inner walls of the upper shell and the lower shell, and a buffer spring is sleeved on the surface of the damping hydraulic rod; the mounting assembly comprises a rotating rod rotatably connected to the inside of the connecting strip, a threaded rod is sleeved on the surface of the rotating rod, and a limiting nut is threadedly connected to the top of the threaded rod; the lifting assembly comprises a supporting rod fixedly connected to the bottom of the lower shell, and a supporting sleeve is slidably connected to the bottom of the supporting rod.

[0009] As a further scheme of the utility model, the inner side of the clamping plate is fixedly connected with a sound insulation layer, the material of the sound insulation layer is sound insulation foam material, and the sound insulation layer is convenient for absorbing and isolating noise.

[0010] As a further scheme of the utility model, the two sides of the upper shell and the lower shell are fixedly connected with sealing covers, one end of the sealing cover is fixedly connected with a sheath, and the sheath is convenient for increasing the sealing property.

[0011] As a further scheme of the utility model, the surface of the two groups of connecting strips is provided with a plurality of groups of clamping grooves, the inside of the clamping groove is provided with a rotating hole matched with the rotating rod, and the rotating hole is convenient for the rotation of the rotating rod.

[0012] As a further scheme of the utility model, the surface of the supporting sleeve is provided with a threaded hole, the inside of the threaded hole is penetrated through a threaded bolt, the surface of the supporting rod is provided with a plurality of groups of limiting holes matched with the threaded bolt, and the limiting hole is convenient for the rotating installation of the threaded bolt.

[0013] As a further scheme of the utility model, the bottom of the supporting sleeve is fixedly connected with a bottom plate, the two sides of the supporting sleeve are fixedly connected with supports, the support is fixedly connected to the top surface of the bottom plate, and the support is convenient for increasing the stability of the supporting sleeve.

[0014] As a further scheme of the utility model, the surface of the bottom plate is provided with four groups of mounting holes in a rectangular array, the inside of the mounting hole is screw-connected with a fixed bolt, and the fixed bolt is convenient for installation positioning.

[0015] (Three) beneficial effects

[0016] The utility model provides a kind of noise reduction structure of dense phase static pressure type pneumatic conveying, with following beneficial effects:

[0017] 1, the noise reduction structure of dense phase static pressure type pneumatic conveying, by the setting of buffer assembly and clamping plate, when using, the upper shell and lower shell are closed, so that damping hydraulic rod pushes clamping plate, clamping is carried out to conveying pipeline, sound insulation layer is first contacted conveying pipeline surface, when conveying pipeline transports material, vibration generated, through conveying pipeline surface to the vibration of sound insulation layer and clamping plate, and then damping hydraulic rod is contracted under stress, buffer spring is deformed under stress to generate elastic force, so that sound insulation layer is always closely attached to conveying pipeline surface, buffer and shock absorption are carried out to conveying pipe, and then the effect of noise reduction to conveying pipeline is achieved, avoid noise to spread to surrounding environment, cause noise pollution, improve the noise reduction capacity of the noise reduction structure of dense phase static pressure type pneumatic conveying.

[0018] 2. The noise reduction structure of the dense phase static pressure pneumatic conveying device, through the setting of the installation assembly and the lifting assembly, when installing, according to the height of the conveying pipeline, the supporting rod is pulled, so that the supporting rod slides to the appropriate position in the supporting sleeve, and then the threaded bolt is fixed and limited, the lower shell supports the sound insulation layer on the conveying pipeline, then the upper shell is pulled, so that the two groups of connecting strips on one side are tightly attached, then the threaded rod is pulled into the clamping groove, and the limiting nut is twisted, so that the limiting nut extrudes the surface of the connecting strip, so that the effect of conveniently installing the noise reduction structure is achieved, the installation time is shortened, the installation cost is reduced, and the convenience of the noise reduction structure of the dense phase static pressure pneumatic conveying device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a split structure schematic view of the utility model;

[0021] Figure 3 It is a buffer assembly structure schematic view of the utility model;

[0022] Figure 4 It is an installation assembly structure schematic view of the utility model;

[0023] Figure 5 It is a lifting assembly structure schematic view of the utility model.

[0024] In the drawing: 1, upper shell; 2, lower shell; 3, buffer assembly; 301, damping hydraulic rod; 302, buffer spring; 4, clamping plate; 5, connecting strip; 6, installation assembly; 601, rotating rod; 602, threaded rod; 603, limiting nut; 7, lifting assembly; 701, supporting rod; 702, supporting sleeve; 8, sound insulation layer; 9, sealing cover; 10, sheath; 11, threaded bolt; 12, bottom plate; 13, support; 14, fixed bolt. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1 to 5The utility model provides a technical scheme: a kind of noise reduction structure of dense phase static pressure type pneumatic conveying, including upper shell 1, the side of upper shell 1 is hinged with lower shell 2 by hinge, the inner wall of upper shell 1 and lower shell 2 is fixedly connected with several groups of buffer assembly 3, by the setting of buffer assembly 3 and clamping plate 4, reach the effect of the noise reduction of conveying pipeline, avoid noise to spread to surrounding environment, cause noise pollution, improve the noise reduction ability of dense phase static pressure type pneumatic conveying's noise reduction structure, the bottom end of buffer assembly 3 is fixedly connected with clamping plate 4, the side of upper shell 1 and lower shell 2 is fixedly connected with connecting strip 5, the inside rotationally connected of connecting strip 5 has several groups of installation component 6, by the setting of installation component 6 and lifting assembly 7, reach the effect of convenient installation noise reduction structure, shorten installation time, reduce installation cost, improve the convenience of dense phase static pressure type pneumatic conveying's noise reduction structure, the bottom of lower shell 2 is fixedly connected with two groups of lifting assembly 7, buffer assembly 3 includes fixedly connected in the inner wall of upper shell 1 and lower shell 2 damping hydraulic pressure rod 301, damping hydraulic pressure rod 301's surface is sleeved with buffer spring 302;Installation component 6 includes rotationally connected in the inside of connecting strip 5 rotation rod 601, the surface of rotation rod 601 is sleeved with threaded rod 602, the top of threaded rod 602 is threadedly connected with limit nut 603;Lifting assembly 7 includes fixedly connected with the bottom of lower shell 2 support rod 701, the bottom of support rod 701 is slidably connected with support sleeve 702.

[0027] The inner side of clamping plate 4 is fixedly connected with sound insulation layer 8, the material of sound insulation layer 8 is sound insulation foam material, by the setting of sound insulation layer 8, play the role of absorbing and isolating noise.

[0028] The two sides of upper shell 1 and lower shell 2 are fixedly connected with sealing cover 9, one end of sealing cover 9 is fixedly connected with cover 10, by the setting of cover 10, play the role of increasing the sealing property.

[0029] The surface of two groups of connecting strip 5 is provided with a plurality of clamping grooves, the inside of clamping groove is provided with the rotation hole matched with rotation rod 601, by the setting of rotation hole, play the role of facilitating the rotation of rotation rod 601.

[0030] The surface of support sleeve 702 is provided with threaded hole, the inside of threaded hole is penetrated with threaded bolt 11, the surface of support rod 701 is provided with a plurality of limiting holes matched with threaded bolt 11, by the setting of limiting hole, play the role of facilitating the rotation installation of threaded bolt 11.

[0031] The bottom of support sleeve 702 is fixedly connected with bottom plate 12, the two sides of support sleeve 702 are fixedly connected with support 13, support 13 is fixedly connected to the top surface of bottom plate 12, by the setting of support 13, play the role of increasing the stability of support sleeve 702.

[0032] The surface of the bottom plate 12 is provided with four groups of mounting holes in a rectangular array, the mounting holes are internally threadedly connected with fixing bolts 14, through the arrangement of the fixing bolts 14, the convenient installation and positioning effect is achieved.

[0033] In the utility model, the working steps of the device are as follows:

[0034] The first step: in use, the upper shell 1 and the lower shell 2 are closed, so that the damping hydraulic rod 301 pushes the clamping plate 4 to clamp the conveying pipeline, the sound insulation layer 8 first contacts the conveying pipeline surface, and the vibration generated when the conveying pipeline conveys materials;

[0035] The second step: the sound insulation layer 8 and the clamping plate 4 are vibrated by the conveying pipeline surface, and then the damping hydraulic rod 301 is stressed to shrink, the buffer spring 302 is stressed to generate elastic force, so that the sound insulation layer 8 is always tightly attached to the conveying pipeline surface, and the conveying pipeline is buffered and damped;

[0036] The third step: in installation, according to the height of the conveying pipeline, the support rod 701 is pulled, so that the support rod 701 slides to the appropriate position in the support sleeve 702, and then the threaded bolt 11 is used for fixing and limiting, the lower shell 2 supports the sound insulation layer 8 below and tightly attaches to the conveying pipeline, and then the upper shell 1 is pulled, so that the two groups of connecting strips 5 on one side are tightly attached, then the threaded rod 602 is clamped into the clamping groove, and the limiting nut 603 is twisted, so that the limiting nut 603 extrudes the surface of the connecting strip 5.

[0037] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned utility model principle is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

[0038] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art, the structure and principle thereof are known by the person skilled in the art through technical manual or conventional experimental method.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A noise reduction structure of dense phase pneumatic conveying by static pressure, comprising an upper shell (1), characterized in that: One side of the upper shell (1) is hinged with the lower shell (2) through the hinge, the inner walls of the upper shell (1) and the lower shell (2) are fixedly connected with a plurality of buffer assemblies (3), the bottom end of the buffer assembly (3) is fixedly connected with the clamping plate (4), one side of the upper shell (1) and the lower shell (2) is fixedly connected with the connecting strip (5), the inside of the connecting strip (5) is rotatably connected with a plurality of mounting assemblies (6), the bottom of the lower shell (2) is fixedly connected with two groups of lifting assemblies (7), The buffer assembly (3) comprises a damping hydraulic rod (301) fixedly connected to the inner walls of the upper shell (1) and the lower shell (2), and a buffer spring (302) sleeved on the surface of the damping hydraulic rod (301); The mounting assembly (6) comprises a rotating rod (601) rotatably connected to the inside of the connecting strip (5), a threaded rod (602) sleeved on the surface of the rotating rod (601), and a limiting nut (603) threadedly connected to the top of the threaded rod (602); The lifting assembly (7) comprises a supporting rod (701) fixedly connected to the bottom of the lower shell (2), and a supporting sleeve (702) slidably connected to the bottom of the supporting rod (701).

2. The noise reduction structure of dense phase pneumatic conveying by static pressure according to claim 1, characterized in that: The inner side of the clamping plate (4) is fixedly connected with the sound insulation layer (8), and the sound insulation layer (8) is made of sound insulation foam material.

3. The noise reduction structure of dense phase pneumatic conveying by static pressure according to claim 1, characterized in that: The two sides of the upper shell (1) and the lower shell (2) are fixedly connected with the sealing cover (9), and one end of the sealing cover (9) is fixedly connected with the cover sleeve (10).

4. The noise reduction structure of dense phase pneumatic conveying by static pressure according to claim 1, characterized in that: The surfaces of the two groups of connecting strips (5) are provided with a plurality of clamping grooves, and the inside of the clamping groove is provided with a rotating hole matched with the rotating rod (601).

5. The noise reduction structure of dense phase pneumatic conveying by static pressure according to claim 1, characterized in that: The surface of the supporting sleeve (702) is provided with a threaded hole, the inside of the threaded hole is penetrated by a threaded bolt (11), and the surface of the supporting rod (701) is provided with a plurality of limiting holes matched with the threaded bolt (11).

6. The noise reduction structure of dense phase pneumatic conveying by static pressure according to claim 1, characterized in that: The bottom of the supporting sleeve (702) is fixedly connected with the bottom plate (12), and the two sides of the supporting sleeve (702) are fixedly connected with the support (13), and the support (13) is fixedly connected to the top surface of the bottom plate (12).

7. The noise reduction structure of dense phase pneumatic conveying by static pressure according to claim 6, characterized in that: The surface of the bottom plate (12) is provided with four groups of mounting holes in a rectangular array, and the inside of the mounting hole is threadedly connected with a fixed bolt (14).

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