Noise reduction device for drying engineering

Abstract

The utility model belongs to the field of noise reduction devices, and particularly relates to a noise reduction device for drying engineering, which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a fixed noise reduction plate, the back of the fixed noise reduction plate is slidably connected with an extended noise reduction plate, and the back of the fixed noise reduction plate is hinged with two symmetrically distributed auxiliary supports. And an auxiliary supporting mechanism is arranged on the auxiliary support, two symmetrically-distributed guide rod frames are fixedly connected to the back face of the fixed noise reduction plate, and two symmetrically-distributed mounting frames are fixedly connected to the upper end of the bottom plate. According to the utility model, the expansion noise reduction plate, the screw rod, the bracket and other structures are additionally arranged on the base, so that the bracket can be driven to deflect through screw-thread fit between the screw rod and the threaded frame in the use process, and the bracket can drive the expansion noise reduction plate to move in the deflection process; and the noise reduction height can be adjusted in the moving process of the extended noise reduction plate, so that the noise reduction quality can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to noise reduction device technical field, concretely is a kind of noise reduction device for drying engineering. BACKGROUND

[0002] Grain drying is through artificial intervention to reduce the moisture content of grain, so that it reaches the safe storage standard processing process. Its core principle is to use heat, ventilation or mechanical methods to accelerate water evaporation, while avoiding grain quality damage, in the process of drying grain, air flow is driven by high-power fan, but the fan will produce a lot of noise in the process of working, noise needs to be isolated by noise reduction device, but the height of noise reduction plate in prior art is limited in the process of use, leading to some large drying equipment cannot effectively reduce noise, affect the quality of noise reduction. Therefore, the prior art needs to be improved. SUMMARY

[0003] The utility model discloses a kind of noise reduction device for drying engineering, solve the problem of low noise reduction height of noise reduction device.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of noise reduction device for drying engineering, including bottom plate, the upper end of the bottom plate is fixedly connected with fixed noise reduction board, the back of the fixed noise reduction board is slidably connected with extension noise reduction board, the back of the fixed noise reduction board is hingedly connected with two symmetrically distributed auxiliary supports, auxiliary support is provided with auxiliary support mechanism, the back of the fixed noise reduction board is fixedly connected with two symmetrically distributed guide rod frame, the upper end of the bottom plate is fixedly connected with two symmetrically distributed mounting racks, the inside of two mounting racks is commonly installed with screw rod by bearing, the outside of the screw rod is connected with screw frame by screwing, the outside of the screw frame is installed with support with bearing, the upper end of the bottom plate is fixedly connected with guide strip, one end of the screw rod is fixedly connected with driving disc.

[0005] Preferably, the outside of the extension noise reduction board is fixedly connected with guide sleeve, the guide sleeve is slidably connected with the guide rod frame, and the guide sleeve can guide the movement of the extension noise reduction board.

[0006] Preferably, the support is hingedly connected with the extension noise reduction board, and the screw frame is slidably connected with the bottom plate, so that the support can be deflected by the screw frame.

[0007] Preferably, the guide strip is slidably connected with the screw frame, the screw frame is slidably connected with the bottom plate, and a hexagonal groove is formed in the inside of the driving disc, so that the screw rod can be rotated by inserting a hexagonal wrench into the inside of the hexagonal groove.

[0008] Preferably, the auxiliary support mechanism comprises positioning grooves, the interior of the auxiliary support is provided with a plurality of uniformly distributed positioning grooves, the interior of the auxiliary support is slidably connected with a support arm, the interior of the support arm is slidably connected with a pull ring rod, one end of the pull ring rod is fixedly connected with a positioning column, and the outer side of the pull ring rod is provided with a spring.

[0009] Preferably, the positioning column is slidably connected with the positioning groove, and the positioning column is slidably connected with the support arm.

[0010] Preferably, one end of the spring is fixedly connected with the support arm, and the other end of the spring is fixedly connected with the positioning column.

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

[0012] 1、 the utility model discloses a base is added expansion noise reduction board, screw rod and support and other structures, can drive the support to deflect through the thread cooperation between screw rod and screw thread frame in the process of using, can drive expansion noise reduction board to remove in the process of deflecting, can adjust the height of noise reduction in the process of removing of expansion noise reduction board, can effectively promote the quality of noise reduction.

[0013] 2、 the utility model discloses a fixed noise reduction board is added auxiliary support, support arm and positioning column and other structures, can adjust the length of auxiliary support through the sliding between auxiliary support and support arm in the process of using, can support fixed noise reduction board through support arm and auxiliary support, can make the placement of device more stable. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the whole structure of the utility model Figure 1 ;

[0015] Figure 2 It is the whole structure of the utility model Figure 2 ;

[0016] Figure 3 It is the sectional view of the utility model Figure 1 ;

[0017] Figure 4 It is the auxiliary support of the utility model Figure 2 ;

[0018] Figure 5 It is the A portion structure of the utility model Figure 3 ;

[0019] Figure 6 The utility model discloses a Figure 5 The utility model discloses a

[0020] In the drawing: 1, bottom plate, 2, fixed noise reduction board, 3, extension noise reduction board, 4, auxiliary support, 5, auxiliary support mechanism, 6, guide sleeve, 7, guide rod frame, 8, mounting frame, 9, screw rod, 10, threaded frame, 11, support rod, 12, driving disc, 13, guide strip, 14, hexagonal groove, 51, positioning groove, 52, support arm, 53, pull ring rod, 54, positioning column, 55, spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work fall within the protection scope of the utility model.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 A kind of noise reduction device for drying engineering, including bottom plate 1, the upper end of bottom plate 1 is fixedly connected with fixed noise reduction board 2, the back of fixed noise reduction board 2 is slidably connected with extension noise reduction board 3, the back of fixed noise reduction board 2 is hingedly connected with two symmetrical distribution auxiliary supports 4, auxiliary support 4 is provided with auxiliary support mechanism 5, the back of fixed noise reduction board 2 is fixedly connected with two symmetrical distribution guide rod frames 7, the upper end of bottom plate 1 is fixedly connected with two symmetrical distribution mounting frames 8, the inside of two mounting frames 8 is commonly equipped with screw rod 9 by bearing, the outside of screw rod 9 is connected with threaded frame 10 by screwing, the outside of threaded frame 10 is installed with support rod 11 by bearing, the upper end of bottom plate 1 is fixedly connected with guide strip 13, one end of screw rod 9 is fixedly connected with driving disc 12.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 The outside of extension noise reduction board 3 is fixedly connected with guide sleeve 6, guide sleeve 6 is slidably connected with guide rod frame 7, guide sleeve 6 can guide the movement of extension noise reduction board 3, support rod 11 is hingedly connected with extension noise reduction board 3, threaded frame 10 is slidably connected with bottom plate 1, threaded frame 10 can drive support rod 11 to deflect, guide strip 13 is slidably connected with threaded frame 10, threaded frame 10 is slidably connected with bottom plate 1, the inside of driving disc 12 is provided with hexagonal groove 14, can drive screw rod 9 to rotate by inserting hexagonal wrench into the inside of hexagonal groove 14.

[0024] Please refer to Figure 3 ,Figure 4 、 Figure 5 、 Figure 6 The auxiliary support mechanism 5 comprises positioning grooves 51, the inside of the auxiliary support 4 is provided with a plurality of uniformly distributed positioning grooves 51, the inside of the auxiliary support 4 is slidably connected with a support arm 52, the inside of the support arm 52 is slidably connected with a pull ring rod 53, one end of the pull ring rod 53 is fixedly connected with a positioning column 54, the outer side of the pull ring rod 53 is provided with a spring 55, the support arm 52 can adjust the support length of the auxiliary support 4, the positioning column 54 is slidably connected with the positioning groove 51, the positioning column 54 is slidably connected with the support arm 52, the positioning column 54 can position the position of the support arm 52 through the positioning groove 51, one end of the spring 55 is fixedly connected with the support arm 52, the other end of the spring 55 is fixedly connected with the positioning column 54, and the spring 55 can drive the positioning column 54 to automatically reset through the elastic force.

[0025] The specific implementation process of the utility model is as follows: in use, after placing the bottom plate 1 at a predetermined position, the auxiliary support 4 is turned over, the auxiliary support 4 is pulled after being turned over by a certain angle, the pull ring rod 53 moves with the positioning column 54, and the spring 55 is compressed, the positioning of the support arm 52 can be released when the positioning column 54 is separated from the current positioning groove 51, then the support arm 52 is moved to make the support arm 52 contact the ground, the pull ring rod 53 is loosened after contacting, the spring 55 resets, the spring 55 can drive the positioning column 54 to slide into the inside of the adjusted positioning groove 51 through the elastic force, the support of the device can be completed, and the device can be placed more stably.

[0026] When it is necessary to adjust the noise reduction height, the hexagonal wrench is inserted into the inside of the hexagonal groove 14 of the driving disc 12, the screw rod 9 is driven to rotate through the driving disc 12 after being inserted, the screw rod 9 can drive one end of the support rod 11 to move through the thread cooperation between the screw rod 9 and the threaded frame 10 in the rotating process, the support rod 11 can drive the extended noise reduction plate 3 to move upwards through the hinged expansion between the extended noise reduction plates 3 in the moving process, and the extended noise reduction plate 3 can stop rotating when the extended noise reduction plate 3 moves to a certain height, so that the noise reduction quality can be effectively improved.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the 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 noise reduction device for drying processes, comprising a base plate (1), characterized in that: A fixed noise reduction plate (2) is fixedly connected to the upper end of the base plate (1). An extended noise reduction plate (3) is slidably connected to the back of the fixed noise reduction plate (2). Two symmetrically distributed auxiliary brackets (4) are hinged to the back of the fixed noise reduction plate (2). An auxiliary support mechanism (5) is provided on the auxiliary brackets (4). Two symmetrically distributed guide rod frames (7) are fixedly connected to the back of the fixed noise reduction plate (2). Two symmetrically distributed mounting frames (8) are fixedly connected to the upper end of the base plate (1). A screw (9) is installed inside the two mounting frames (8) through a bearing. A threaded frame (10) is threaded to the outside of the screw (9). A support rod (11) is installed to the outside of the threaded frame (10) through a bearing. A guide bar (13) is fixedly connected to the upper end of the base plate (1). A drive disk (12) is fixedly connected to one end of the screw (9).

2. The noise reduction device for drying engineering according to claim 1, characterized in that: The outer side of the extended noise reduction plate (3) is fixedly connected to a guide sleeve (6), and the guide sleeve (6) is slidably connected to the guide rod frame (7).

3. The noise reduction device for drying engineering according to claim 1, characterized in that: The support rod (11) is hinged to the extended noise reduction plate (3), and the threaded frame (10) is slidably connected to the base plate (1).

4. The noise reduction device for drying engineering according to claim 1, characterized in that: The guide bar (13) is slidably connected to the threaded frame (10), the threaded frame (10) is slidably connected to the base plate (1), and the drive disk (12) has a hexagonal groove (14) inside.

5. The noise reduction device for drying engineering according to claim 1, characterized in that: The auxiliary support mechanism (5) includes a positioning groove (51). The auxiliary bracket (4) has multiple evenly distributed positioning grooves (51) inside. The auxiliary bracket (4) has a support arm (52) slidably connected inside. The support arm (52) has a pull ring rod (53) slidably connected inside. One end of the pull ring rod (53) is fixedly connected to a positioning post (54). A spring (55) is provided on the outside of the pull ring rod (53).

6. A noise reduction device for drying engineering according to claim 5, characterized in that: The positioning post (54) is slidably connected to the positioning groove (51), and the positioning post (54) is slidably connected to the support arm (52).

7. A noise reduction device for drying engineering according to claim 5, characterized in that: One end of the spring (55) is fixedly connected to the support arm (52), and the other end of the spring (55) is fixedly connected to the positioning post (54).

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