Transverse step-up gear box of industrial fan

By installing bearings and a soundproof cover in the horizontal speed-increasing gearbox of the industrial fan, the noise problem of the gearbox was solved, achieving effective noise isolation and vibration reduction, and improving driving comfort.

CN223524377UActive Publication Date: 2025-11-07河南七阳智能装备有限公司
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Patent Information

Application Number
CN202520139311.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-11-07
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

The noise generated when the gears inside the transmission rotate at high speed while meshing with each other can cause discomfort and health damage to the driver.

Method used

A transverse speed-increasing gearbox for industrial fans was designed. By setting bearings and soundproof covers inside the input and output soundproof boxes to form a vacuum isolation, and setting a speed-changing mechanism inside the main box, combined with rubber sheets and base for vibration damping, noise transmission is reduced.

Benefits of technology

It effectively isolates internal noise from the transmission gearbox, reduces noise transmission, and improves driving comfort and health protection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223524377U_ABST
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Abstract

The utility model discloses a transverse step-up gear box of an industrial fan, which relates to the field of speed change gear boxes and comprises a main box, one side of the main box is integrally and fixedly connected with an output mute box, and the output mute box is sleeved with a mute cover A; and the other side of the main box is integrally and fixedly connected with an input mute box. According to the utility model, in consideration of the problem that noise is generated when gears in the speed change gear box rotate at a high speed under the condition that the gears are meshed with each other, two bearings A arranged on the input rotating mechanism are fixed in the input mute box to form vacuum isolation, and a transition bearing and a bearing C arranged on the output rotating mechanism are fixed in the input mute box to form vacuum isolation; the silencing cover A is fixed in the output silencing box to form vacuum isolation, noise generated by a speed change mechanism in the main box can be efficiently isolated, meanwhile, the silencing cover A is connected to the output silencing box in a sleeving mode, the silencing cover B is connected to the input silencing box in a sleeving mode, noise transmission can be further isolated, and the effect of reducing noise of the speed change gear box is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of variable speed gear box, in particular to a kind of industrial fan transverse type speed increasing gear box. BACKGROUND

[0002] Variable speed gear box is an important transmission device used in automobiles and other vehicles, its main role is to transfer the power generated by the engine to the drive wheels of the vehicle, and allow the speed and torque output of the vehicle to be adjusted according to the driving conditions.

[0003] When the internal gears of the variable speed gear box rotate at high speed under mutual engagement, noise will be generated, which will cause discomfort to the driver when installed on the vehicle, and over time, it will cause the driver's health to be damaged.

[0004] Therefore, it is necessary to provide an industrial fan transverse type speed increasing gear box to solve the above problems TECHNICAL CONTENT

[0005] The utility model aims at providing an industrial fan transverse type speed increasing gear box to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an industrial fan transverse type speed increasing gear box, comprising a main box, one side of the main box is integrally fixedly connected with an output silent box, the outside of the output silent box is sleeved with an A silent cover;

[0007] The other side of the main box is integrally fixedly connected with an input silent box, and the outside of the input silent box is sleeved with a B silent cover;

[0008] The inside of the input silent box is provided with an input rotating mechanism, and the input rotating mechanism comprises an A bearing, an input shaft and an A meshing gear;

[0009] The inside of the main box is provided with a variable speed mechanism, and the variable speed mechanism comprises an A variable speed gear, a variable speed shaft, a B bearing and a variable speed gear;

[0010] The inside of the output silent box is provided with an output rotating mechanism, and the output rotating mechanism comprises a B meshing gear, an output shaft, an excessive bearing and a C bearing.

[0011] Preferably, the bottom of the main box is fixedly connected with a fixed plate, the bottom of the fixed plate is provided with a rubber sheet, and the bottom of the rubber sheet is provided with a base.

[0012] Preferably, the surface of the fixed plate, the rubber sheet and the base is symmetrically provided with a plurality of threaded holes, and the inside of the threaded hole is provided with a threaded bolt.

[0013] Preferably, the surface of the base is provided with a plurality of anchor holes, and the plurality of anchor holes are arranged in a linear shape on the surface of the base.

[0014] Preferably, the input rotating mechanism comprises two A bearings arranged at two ends of the input mute box, and an input shaft is fixedly arranged in the two A bearings.

[0015] Preferably, the surface of the A meshing gear is connected with a speed changing mechanism, the speed changing mechanism comprises an A speed changing gear meshing connected to the surface of the A meshing gear, a speed changing shaft is fixedly arranged in the A speed changing gear, a B bearing is arranged at the middle portion of the surface of the speed changing shaft, a speed changing gear is arranged at one end of the surface of the speed changing shaft, and the B bearing is fixedly connected to the inside of the main box.

[0016] Preferably, the surface of the speed changing gear is connected with an output rotating mechanism, the output rotating mechanism comprises a B meshing gear meshing connected to the surface of the speed changing gear, an output shaft is fixedly arranged in the B meshing gear, overrunning bearings are fixedly arranged at two ends of the middle portion of the output shaft, a C bearing is fixedly arranged at one side of the surface of the output shaft, and the overrunning bearings and the C bearing are fixedly arranged in the output mute box.

[0017] The technical effects and advantages of the utility model are as follows:

[0018] Considering that the gears in the speed changing gear box will generate noise when rotating at high speed under the condition of mutual meshing, the two A bearings arranged on the input rotating mechanism are fixed in the input mute box to form vacuum insulation, and the overrunning bearings and the C bearings on the output rotating mechanism are fixed in the output mute box to form vacuum insulation, which can efficiently insulate the noise generated by the speed changing mechanism in the main box, and the A mute cover sleeved on the output mute box and the B mute cover sleeved on the input mute box can further insulate noise propagation, thereby reducing the noise of the speed changing gear box. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is a structure schematic view of the whole speed increasing gear box of the horizontal industrial fan.

[0021] Figure 2The utility model provides an output mute box internal structure schematic drawing of a transverse type speed increasing gear box of industrial fan.

[0022] Figure 3 The utility model provides an input mute box internal structure schematic drawing of a transverse type speed increasing gear box of industrial fan.

[0023] Figure 4 The utility model provides an input rotating mechanism, a speed change mechanism and an output rotating mechanism structure schematic drawing of a transverse type speed increasing gear box of industrial fan.

[0024] Figure 5 The utility model provides a fixed plate, a rubber sheet and a base structure schematic drawing of a transverse type speed increasing gear box of industrial fan.

[0025] In the drawing: 1, main box;2, output mute box;3, A mute cover;4, input mute box;5, B mute cover;6, fixed plate;7, rubber sheet;8, base;9, threaded hole;10, threaded bolt;11, anchor hole;12, input rotating mechanism;1201, A bearing;1202, input shaft;1203, A meshing gear;13, speed change mechanism;1301, A speed change gear;1302, speed change shaft;1303, B bearing;1304, speed change gear;14, output rotating mechanism;1401, B meshing gear;1402, output shaft;1403, excessive bearing;1404, C bearing. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the following will combine the drawing in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described. Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.

[0027] The utility model provides a transverse type speed increasing gear box of industrial fan as Figures 1-5 The utility model discloses a transverse type speed increasing gear box of industrial fan, including main box 1, the one side of main box 1 is integrative fixed connection and has output mute box 2, the outside of output mute box 2 is sleeved with A mute cover 3;

[0028] A mute cover 3 insulates the noise generated by excessive bearing 1403 and C bearing 1404 in output mute box 2

[0029] The other side of main box 1 is integrative fixed connection and has input mute box 4, and the outside of input mute box 4 is sleeved with B mute cover 5;

[0030] The B muffling cover 5 insulates the noise generated by the A meshing gear 1203 in the inside of the input muffling box 4;

[0031] The inside of the input muffling box 4 is provided with an input rotating mechanism 12, which comprises an A bearing 1201, an input shaft 1202 and an A meshing gear 1203;

[0032] The A meshing gear 1203 ensures that the rotating mechanism 12 is fixed in the inside of the input muffling box 4;

[0033] The inside of the main box 1 is provided with a speed changing mechanism 13, which comprises an A speed changing gear 1301, a speed changing shaft 1302, a B bearing 1303 and a speed changing gear 1304;

[0034] The B bearing 1303 ensures that the speed changing mechanism 13 is fixed in the inside of the main box 1;

[0035] The inside of the output muffling box 2 is provided with an output rotating mechanism 14, which comprises a B meshing gear 1401, an output shaft 1402, an overrunning bearing 1403 and a C bearing 1404.

[0036] The overrunning bearing 1403 and the C bearing 1404 ensure that the output rotating mechanism 14 is fixed in the inside of the output muffling box 2.

[0037] The bottom of the main box 1 is fixedly connected with a fixed plate 6, the bottom of the fixed plate 6 is provided with a rubber sheet 7, and the bottom of the rubber sheet 7 is provided with a base 8;

[0038] The rubber sheet 7 has elasticity and can reduce the vibration generated by the speed changing box.

[0039] The surfaces of the fixed plate 6, the rubber sheet 7 and the base 8 are symmetrically provided with a plurality of threaded holes 9, and the inside of each threaded hole 9 is provided with a threaded bolt 10;

[0040] The threaded bolt 10 facilitates the fixation of the speed changing gear box on the base 8.

[0041] The surfaces of the base 8 are provided with a plurality of anchoring holes 11, which are uniformly arranged in a linear shape on the surface of the base 8;

[0042] The plurality of anchoring holes 11 provided on the base 8 facilitate the installation of the speed changing gear box in the vehicle.

[0043] The input rotating mechanism 12 comprises two A bearings 1201 provided at both ends of the inside of the input muffling box 4, the inside of each A bearing 1201 is fixedly installed with an input shaft 1202, and one end of the input shaft 1202 is fixedly installed with an A meshing gear 1203;

[0044] The input rotating mechanism 12 is arranged to facilitate the input of kinetic energy.

[0045] The surface of the A meshing gear 1203 is meshingly connected with a speed change mechanism 13, the speed change mechanism 13 comprises an A speed change gear 1301 meshingly connected to the surface of the A meshing gear 1203, the inside of the A speed change gear 1301 is fixedly installed with a speed change shaft 1302, the surface of the speed change shaft 1302 is arranged with a B bearing 1303 in the middle, the surface of the speed change shaft 1302 is arranged with a speed change gear 1304 at one end, and the B bearing 1303 is fixedly connected to the inside of the main box 1.

[0046] The speed change mechanism 13 is arranged to facilitate the torque conversion of the input power.

[0047] The surface of the speed change gear 1304 is meshingly connected with an output rotating mechanism 14, the output rotating mechanism 14 comprises a B meshing gear 1401 meshingly connected to the surface of the speed change gear 1304, the inside of the B meshing gear 1401 is fixedly installed with an output shaft 1402, the output shaft 1402 is fixedly installed with an over bearing 1403 at both ends in the middle, the surface of the output shaft 1402 is fixedly installed with a C bearing 1404 at one side, and the over bearing 1403 and the C bearing 1404 are fixedly installed in the inside of the output mute box 2.

[0048] The output rotating mechanism 14 facilitates the output of kinetic energy after torque conversion.

[0049] Working principle: when the gears in the speed change gear box rotate at high speed under the condition of mutual meshing, noise problems will be generated, the two A bearings 1201 arranged on the input rotating mechanism 12 are fixedly installed in the inside of the input mute box 4 to form vacuum isolation, and the over bearing 1403 and the C bearing 1404 on the output rotating mechanism 14 are fixedly installed in the inside of the output mute box 2 to form vacuum isolation, which can efficiently isolate the noise generated by the speed change mechanism in the main box 1, and the A mute cover 3 sleeved on the output mute box 2 and the B mute cover 5 sleeved on the input mute box 4 can further isolate the noise propagation between the bearings.

[0050] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and for those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A transverse speed increasing gear box for industrial fan comprising a main casing (1) characterized in that: One side of the main box (1) is integrally connected with an output mute box (2), and the outside of the output mute box (2) is sleeved with an A mute cover (3). The other side of the main box (1) is integrally connected with an input mute box (4), and the outside of the input mute box (4) is sleeved with a B mute cover (5). The inside of the input mute box (4) is provided with an input rotating mechanism (12), and the input rotating mechanism (12) comprises an A bearing (1201), an input shaft (1202) and an A meshing gear (1203). The inside of the main box (1) is provided with a speed change mechanism (13), and the speed change mechanism (13) comprises an A speed change gear (1301), a speed change shaft (1302), a B bearing (1303) and a speed change gear (1304). The inside of the output mute box (2) is provided with an output rotating mechanism (14), and the output rotating mechanism (14) comprises a B meshing gear (1401), an output shaft (1402), an excessive bearing (1403) and a C bearing (1404).

2. A transversely mounted speed increasing gearbox for an industrial fan as claimed in claim 1, characterised in that: The bottom of the main box (1) is fixedly connected with a fixed plate (6), the bottom of the fixed plate (6) is provided with a rubber sheet (7), and the bottom of the rubber sheet (7) is provided with a base (8).

3. An industrial fan transverse overdrive gearbox according to claim 2, characterised in that: The surfaces of the fixed plate (6), the rubber sheet (7) and the base (8) are symmetrically provided with a plurality of threaded holes (9), and the inside of the threaded hole (9) is provided with a threaded bolt (10).

4. An industrial fan transverse overdrive gearbox as claimed in claim 2, characterized in that: The surfaces of the fixed plate (6), the rubber sheet (7) and the base (8) are symmetrically provided with a plurality of threaded holes (9), and the inside of the threaded hole (9) is provided with a threaded bolt (10).

5. A transversely mounted speed increasing gearbox for an industrial fan as defined in claim 1, wherein: The input rotating mechanism (12) comprises an A bearing (1201) arranged at both ends of the input mute box (4), and the inside of the A bearing (1201) is fixedly connected with an input shaft (1202), and one end of the input shaft (1202) is fixedly connected with an A meshing gear (1203).

6. A transversely mounted speed increasing gearbox for an industrial fan as claimed in claim 1 or claim 5 wherein: The surface of the A meshing gear (1203) is engagedly connected with a speed change mechanism (13), the speed change mechanism (13) comprises an A speed change gear (1301) engagedly connected to the surface of the A meshing gear (1203), the inside of the A speed change gear (1301) is fixedly connected with a speed change shaft (1302), the surface of the speed change shaft (1302) is provided with a B bearing (1303), one end of the surface of the speed change shaft (1302) is provided with a speed change gear (1304), and the B bearing (1303) is fixedly connected to the inside of the main box (1).

7. A transversely mounted speed increasing gearbox for an industrial fan as claimed in claim 1 or 6 wherein: The surface of the variable gear (1304) is connected with an output rotating mechanism (14), the output rotating mechanism (14) comprises a B meshing gear (1401) meshing connected on the surface of the variable gear (1304), the inside of the B meshing gear (1401) is fixedly installed with an output shaft (1402), both ends of the middle of the output shaft (1402) are fixedly installed with overrunning bearings (1403), one side of the surface of the output shaft (1402) is fixedly installed with a C bearing (1404), and the overrunning bearings (1403) and the C bearing (1404) are fixedly installed in the inside of the output mute box (2).