Low-noise main shaft double-speed gearbox

Abstract

The utility model discloses a low-noise spindle double-speed gearbox which comprises a lower box body, bolt positioning seats are fixedly installed on the two sides of the bottom of the lower box body, an upper box body is arranged on the top of the lower box body, and bearing seats are fixedly installed on the two sides of the lower box body and the two sides of the upper box body. The rubber and plastic damping plate is formed by bonding and limiting a plurality of layers of rubber plates, the shock insulation effect is good, the influence on the outside when the gear box assembly is used can be reduced, noise generated during working is reduced by reducing vibration generated during operation of the device, then a part of vibration is effectively absorbed through the sound insulation fiber plate, and the service life of the gear box assembly is prolonged. The noise is isolated, the sound-absorbing cotton is light in weight, small in density and multi-hole, a large number of connecting gaps are formed in the sound-absorbing cotton, the sound-absorbing cotton can absorb sound, the rubber and plastic shock-absorbing plate and the sound-insulating fiber plate are matched, the shock-absorbing and sound-insulating effects are achieved, the noise is lower during operation of the gearbox, the comfort degree of the device is improved during use, and the device is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gear transmission box, specifically relates to a low noise main shaft double -speed gear transmission box. BACKGROUND

[0002] Double -speed transmission is a kind of modern new transmission device, has comprehensively the basic working principle of traditional speed reducer and double -clutch transmission, and double -speed gear box is an important device widely used in mechanical, automobile, ship and other fields, and its working principle can be summarized as changing the meshing position and transmission ratio of gear to realize the conversion of different speeds.

[0003] The prior art has the following problems:

[0004] 1, the existing gear transmission box in the market has many meshing gears, and high noise is easily generated due to vibration in use, thereby affecting the use of surrounding users.

[0005] 2, the existing gear transmission box in the market is easy to vibrate in use, and is easy to be unstable in long-term use process, and is inconvenient to disassemble when overhauling the inside. UTILITY MODEL CONTENTS

[0006] The utility model aims at the prior art a kind of low noise main shaft double -speed gear transmission box to solve the problems presented in the above background.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of low noise main shaft double -speed gear transmission box, including lower box, the bottom of the lower box both sides are fixedly installed with bolt positioning seat, the top of the lower box is provided with upper box, the both sides of the lower box and upper box are fixedly installed with bearing seat.

[0008] The inside of the lower box is provided with gear transmission box assembly, the inner wall of the lower box is provided with sound insulation fiberboard, one side of the sound insulation fiberboard is provided with sound-absorbing cotton, one side of the sound-absorbing cotton is provided with rubber plastic shock pad.

[0009] The utility model further illustrates that the top of the lower box is provided with mounting hole, and the number of mounting hole is multiple and multiple mounting holes are arranged at the same level.

[0010] By the above technical scheme, the multiple mounting holes in the scheme are convenient for mounting and dismounting between the lower box and the upper box, and convenient for subsequent maintenance and maintenance of the device.

[0011] The utility model further illustrates that the inside thread connection of installation hole has bolt, the bottom of lower box is provided with nut, bolt penetrates installation hole and is connected with nut with thread, the contact surface of bolt and upper box is provided with protection gasket.

[0012] Adopt above-mentioned technical scheme, the inside thread connection of installation hole has bolt, the bottom of lower box is provided with nut, bolt penetrates installation hole and is connected with nut with thread, the contact surface of bolt and upper box is provided with protection gasket.

[0013] The utility model further illustrates that the top of bolt positioning seat is equipped with positioning hole, and the number of positioning hole is multiple and multiple positioning holes are arranged at the same level.

[0014] Adopt above-mentioned technical scheme, the inside thread connection of installation hole has bolt, the bottom of lower box is provided with nut, bolt penetrates installation hole and is connected with nut with thread, the contact surface of bolt and upper box is provided with protection gasket.

[0015] The utility model further illustrates that the top of bolt positioning seat is equipped with positioning hole, and the number of positioning hole is multiple and multiple positioning holes are arranged at the same level.

[0016] Adopt above-mentioned technical scheme, the inside thread connection of installation hole has bolt, the bottom of lower box is provided with nut, bolt penetrates installation hole and is connected with nut with thread, the contact surface of bolt and upper box is provided with protection gasket.

[0017] The utility model further illustrates that the top of bolt positioning seat is equipped with positioning hole, and the number of positioning hole is multiple and multiple positioning holes are arranged at the same level.

[0018] Adopt above-mentioned technical scheme, the inside thread connection of installation hole has bolt, the bottom of lower box is provided with nut, bolt penetrates installation hole and is connected with nut with thread, the contact surface of bolt and upper box is provided with protection gasket.

[0019] Compared with the prior art, the utility model reaches the beneficial effect that is:

[0020] The utility model provides a low noise's main shaft double -speed gear gearbox, and through the setting of the rubber plastic shock pad is formed by the adhesion restriction of multilayer rubber plate, and the shock insulation effect is good, can reduce the influence to the outside when gear gearbox assembly uses, reduces the noise produced when the device operates, and then the sound -insulating fibreboard effectively absorbs part of the vibration absorption, isolates the noise, and the sound -absorbing cotton is light in density, has a plurality of holes, contains a large number of connecting gaps in the inside, can carry out sound absorption, through the cooperation between the rubber plastic shock pad and the sound -insulating fibreboard, the effect of shock absorption and sound insulation is achieved, the noise is lower when the gearbox operates, the comfort degree of the device when using is improved, convenient to use, satisfies the use demand that the user can carry out,

[0021] The utility model provides a low noise's main shaft double -speed gear gearbox, and through the setting of the rubber plastic shock pad is formed by the adhesion restriction of multilayer rubber plate, and the shock insulation effect is good, can reduce the influence to the outside when gear gearbox assembly uses, reduces the noise produced when the device operates, and then the sound -insulating fibreboard effectively absorbs part of the vibration absorption, isolates the noise, and the sound -absorbing cotton is light in density, has a plurality of holes, contains a large number of connecting gaps in the inside, can carry out sound absorption, through the cooperation between the rubber plastic shock pad and the sound -insulating fibreboard, the effect of shock absorption and sound insulation is achieved, the noise is lower when the gearbox operates, the comfort degree of the device when using is improved, convenient to use, satisfies the use demand that the user can carry out, ACCURACY

[0022] The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and are used to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0023] Figure 1 It is the overall structure schematic diagram of the utility model,

[0024] Figure 2 It is the overhead structure schematic diagram of the utility model,

[0025] Figure 3 It is the bottom view structure schematic diagram of the utility model,

[0026] Figure 4 It is the inside lateral view structure schematic diagram of the utility model's box,

[0027] Figure 5 It is the inside overhead structure schematic diagram of the utility model's box.

[0028] In the figure: 1, the lower box body; 2, bolt positioning seat; 3, upper box body; 4, bearing seat; 5, gear transmission box assembly; 6, sound insulation fiber plate; 7, sound absorbing cotton; 8, rubber damping plate; 9, mounting hole; 10, bolt; 11, protective gasket; 12, nut; 13, positioning hole; 14, first reinforcing rib; 15, fixed plate; 16, second reinforcing rib; 17, rubber protective pad. DETAILED DESCRIPTION

[0029] The utility model discloses technical scheme is further non-restrictive detailed description with preferred embodiment and its drawing. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skilled person in the art obtains without making creative labor belong to the range of protection of the utility model.

[0030] Please refer to Figures 1-5 The utility model provides technical scheme: a low noise main shaft double speed gear transmission box, including lower box body 1, the bottom both sides of lower box body 1 are fixedly installed with bolt positioning seat 2, the top of lower box body 1 is provided with upper box body 3, and the both sides of lower box body 1 and upper box body 3 are fixedly installed with bearing seat 4.

[0031] The inside of lower box body 1 is provided with gear transmission box assembly 5, and the inner wall of lower box body 1 is provided with sound insulation fiber plate 6, one side of sound insulation fiber plate 6 is provided with sound absorbing cotton 7, and one side of sound absorbing cotton 7 is provided with rubber damping plate 8.

[0032] In the embodiment, the device is fixedly installed through bolt positioning seat 2, and rubber damping plate 8 is formed by the bonding limitation of multiple rubber plates, has good shock insulation effect, can reduce the influence on the outside when gear transmission box assembly 5 is used, reduces the noise generated during work by reducing the vibration generated during the operation of the device, and then effectively absorbs part of the vibration absorption through sound insulation fiber plate 6, isolates noise, sound absorbing cotton 7 is light and small in density, has many holes and contains a large number of internal connecting gaps, can absorb sound, the cooperation between rubber damping plate 8 and sound insulation fiber plate 6 reduces the damping and sound insulation effect, makes the noise of the transmission box lower during operation, and the comfort of the device during use is improved, and the device is convenient to use.

[0033] As Figures 1-5As shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the lower box body 1 top side is equipped with mounting hole 9, and the number of mounting hole 9 is multiple and multiple mounting hole 9 is arranged with same level between, the inside screw thread connection of mounting hole 9 has bolt 10, the bottom of lower box body 1 is provided with nut 12, bolt 10 is penetrated mounting hole 9 and is connected with nut 12 with screw thread, the contact surface of bolt 10 and upper box body 3 is provided with protective gasket 11, the top of bolt positioning seat 2 is equipped with positioning hole 13, and the number of positioning hole 13 is multiple and multiple positioning hole 13 is arranged with same level between.

[0034] In the embodiment, the multiple mounting holes 9 are arranged to facilitate the installation and disassembly of the lower box body 1 and the upper box body 3, facilitate the subsequent maintenance and maintenance of the device, the bolt 10 penetrates the lower box body 1 and the upper box body 3 and is connected with the nut 12 by screw thread, so that the lower box body 1 and the upper box body 3 are combined, when the inside of the box needs to be repaired and maintained, the nut 12 is screwed to separate the nut 12 and the bolt 10, the upper box body 3 is disassembled from the top of the lower box body 1, which facilitates the subsequent maintenance and maintenance of the device and facilitates cleaning, the protective gasket 11 is arranged to protect the bolt 10 and the nut 12 after the installation of the box is completed, thereby increasing the service life of the bolt 10 and the nut 12, and the positioning hole 13 is arranged to facilitate the installation of the bolt positioning seat 2.

[0035] As shown in Figures 1-5 As shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the top side of bolt positioning seat 2 is fixedly connected with fixed plate 15, one side of fixed plate 15 is fixedly connected with second reinforcing rib 16, both sides of fixed plate 15 are fixedly connected with first reinforcing rib 14, the bottom of bolt positioning seat 2 is fixedly connected with rubber protective pad 17.

[0036] In the embodiment, the second reinforcing rib 16 is arranged to increase the stability of the gearbox after installation, the first reinforcing rib 14 is arranged to increase the stability of the gearbox installation, thereby increasing the service life, the rubber protective pad 17 arranged at the bottom of the bolt positioning seat 2 can increase the friction between the bolt positioning seat 2 and the mounting surface, reduce the vibration caused by the use of the gearbox, make the installation structure stable, and will not cause deviation.

[0037] As shown in Figures 1-5As shown, when the user needs to use it, it is limited by the adhesion of the multiple rubber plates through the setting of the rubber plastic damping plate 8, the shock isolation effect is good, the influence on the outside when the gear box assembly 5 is used can be reduced, the noise generated during operation is reduced, and part of the vibration absorption is effectively absorbed by the sound insulation fiber plate 6, the noise is isolated, the sound absorption cotton 7 is light in density and has many holes and contains a large number of internal connecting gaps, so that sound can be absorbed, through the cooperation between the rubber plastic damping plate 8 and the sound insulation fiber plate 6, the damping and sound insulation effects are achieved, the noise during operation of the gear box is lower, the comfort during use of the device is improved, and the device is convenient to use, the positioning hole 13 is arranged, so that the bolt positioning seat 2 is installed, the stability of the gear box installation can be increased under the action of the second reinforcing rib 16 and the first reinforcing rib 14, so that the service life is increased, the rubber protective pad 17 arranged at the bottom of the bolt positioning seat 2 can increase the friction force between the bolt positioning seat 2 and the mounting surface, reduce the vibration generated due to the use of the gear box, so that the installation structure is stable and will not cause deviation, the bolt 10 penetrates the lower box body 1 and the upper box body 3 and is screwed with the nut 12, so that the lower box body 1 and the upper box body 3 are combined, when the inside of the box body needs to be maintained and maintained, the nut 12 is screwed to separate the nut 12 and the bolt 10, and the upper box body 3 is detached from the top of the lower box body 1, so that the subsequent maintenance and maintenance of the device are facilitated.

[0038] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the present application.

[0039] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A low noise mainshaft two speed gear transmission comprising a lower casing (1) characterised in that: The bottom of the lower box body (1) is fixedly provided with a bolt positioning seat (2) on both sides, the top of the lower box body (1) is provided with an upper box body (3), and the two sides of the lower box body (1) and the upper box body (3) are fixedly provided with a bearing seat (4); The inside of the lower box body (1) is provided with a gear transmission box assembly (5), the inner wall of the lower box body (1) is provided with a sound insulation fiber board (6), one side of the sound insulation fiber board (6) is provided with sound-absorbing cotton (7), and one side of the sound-absorbing cotton (7) is provided with an oplastic damping plate (8).

2. A low noise, spindle double speed gear box as claimed in claim 1, wherein: A mounting hole (9) is formed in one side of the top of the lower box body (1), and a plurality of mounting holes (9) are arranged at the same horizontal position.

3. A low noise, spindle double speed gear box as claimed in claim 2, wherein: The inside of the mounting hole (9) is in threaded connection with a bolt (10), the bottom of the lower box body (1) is provided with a nut (12), the bolt (10) penetrates through the mounting hole (9) and is in threaded connection with the nut (12), and the contact surface of the bolt (10) and the upper box body (3) is provided with a protective gasket (11).

4. A low noise, spindle double speed gear box as claimed in claim 1, wherein: The top of the bolt positioning seat (2) is provided with a positioning hole (13), and a plurality of positioning holes (13) are arranged at the same horizontal position.

5. A low noise, spindle double speed gear box as claimed in claim 1, wherein: One side of the top of the bolt positioning seat (2) is fixedly connected with a fixed plate (15), and one side of the fixed plate (15) is fixedly connected with a second reinforcing rib (16).

6. A low noise, spindle double speed gear box as claimed in claim 5, wherein: The two sides of the fixed plate (15) are fixedly connected with a first reinforcing rib (14), and the bottom of the bolt positioning seat (2) is fixedly connected with a rubber protective pad (17).

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