CN219062371U

CN219062371U - Novel gear box

Info

Publication number: CN219062371U
Application number: CN202120467692.6U
Authority: CN
Inventors: 朱韦蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2023-05-23
Anticipated expiration: 2031-03-04

Abstract

The utility model provides a novel gear box, and belongs to the technical field of machinery. The gearbox solves the problems that the existing gearbox body cannot be adjusted in structure and is not wide in application range. The utility model provides a novel gear box, including last box and lower box, go up the horizontal input shaft that wears to be equipped with of box, the last gear first that has linked firmly of input shaft, the axial has linked firmly output shaft and transmission shaft in the lower box, the output shaft passes through gear assembly with the transmission shaft and drives mutually, link firmly gear two and gear one and gear two-phase engagement on the transmission shaft, gear one and gear two are located the box, go up the box and can rotate around the axis of transmission shaft relatively down the box, go up and be equipped with locking mechanism between box and the lower box and lock with last box and lower box after last box rotates the settlement angle relatively. The novel gear box has the advantages that the box body structure can be adjusted and the application range is wider.

Description

Novel gear box

Technical Field

The utility model belongs to the technical field of machinery, and relates to a gear box, in particular to a novel gear box.

Background

Gearboxes, also known as gear boxes, generally include speed increasing gearboxes, speed reducing gearboxes, and speed changing gearboxes. The gearbox serves as an important mechanical component, the main functions of which are: 1. acceleration and deceleration; 2. changing the transmission direction; 3. changing the rotation moment; 4. clutch function, power distribution, etc.

The gear box with double input shafts (application number: 201010539964.5) disclosed in Chinese patent document comprises a shell, a driving gear, driven gears, a processing main shaft, a bearing seat and a front end cover, wherein the driving gear and the driven gears are arranged in the shell, the processing main shaft is two side by side, the middle parts of the two processing main shafts are respectively arranged in two groups of bearings side by side in the bearing seat, the driven gears are respectively fixedly arranged at the inner ends of the two processing main shafts, the two driven gears are outer diameter gears and are jointly meshed and arranged in the driving gear, the driving gear is an inner diameter gear, and a connecting shaft is coaxially and fixedly arranged on the driving gear. However, the gear box body cannot be adjusted in structure, so that the gear box is not wide in application range.

The speed reducing box (application number: 201320180982.8) comprises a box body and a speed reducing device arranged in the box body, wherein the box body comprises a bottom plate and a shell, the bottom plate is matched with the shell, a mounting hole is formed in the box body, the speed reducing device comprises a shaft and a gear arranged on the shaft, the shaft is arranged on the mounting hole, the mounting hole comprises a through hole and a shaft hole, and the shaft hole is arranged on the inner side of the box body. However, the box body of the reduction gearbox cannot be adjusted in structure, so that the application range is not wide.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a novel gearbox with an adjustable box body structure and a wider application range.

The aim of the utility model can be achieved by the following technical scheme: the novel gear box comprises an upper box body and a lower box body, and is characterized in that the upper box body is transversely provided with an input shaft in a penetrating mode, a first gear is fixedly connected to the input shaft, an output shaft and a transmission shaft are axially fixedly connected to the lower box body, the output shaft and the transmission shaft are in transmission through a gear assembly, a second gear is fixedly connected to the transmission shaft and is meshed with the first gear, the first gear and the second gear are located in the upper box body, the upper box body can rotate relative to the lower box body around the axis of the transmission shaft, a locking mechanism is arranged between the upper box body and the lower box body, and the locking mechanism locks the upper box body and the lower box body after the upper box body rotates relative to the lower box body by a set angle.

When the gearbox is in operation, power is input through the input shaft, the transmission shaft is driven to rotate through the meshing of the first gear and the second gear, the transmission shaft drives the output shaft to rotate through the gear assembly, when the structure of the gearbox is required to be adjusted, the locking mechanism is loosened, the upper box body is rotated to a required angle, and then the upper box body and the lower box body are locked through the locking mechanism.

In the novel gear box, the first gear and the second gear can be mutually replaced. The first gear and the second gear can be replaced mutually, different transmission ratios can be met, and the gear has the advantage of wide application range.

In the novel gear box, the first bevel gear is arranged on the output shaft, the second bevel gear is fixedly connected to the transmission shaft, and the first bevel gear is meshed with the second bevel gear.

In the novel gear box, the lower box body is provided with a cylindrical connecting part, the connecting part and the transmission shaft are coaxially arranged, and the lower side of the upper box body is provided with a communication hole for inserting the connecting part and the connecting part is inserted into the communication hole. The connecting part is inserted into the connecting hole to enable the upper box body to be connected with the lower box body, so that the upper box body can rotate around the axis of the connecting part, and the connecting device has the advantages of convenience in adjustment and reliable structure.

In the novel gear box, the locking mechanism comprises a plurality of threaded holes uniformly formed in the connecting portion, and the screw penetrates through the upper box body to be connected with the threaded holes in a threaded mode. The screw passes through the upper box body and is connected with the screw thread hole, and the upper box body is fixedly connected with the lower box body, so that the screw has the advantages of simple structure and firm connection.

In the novel gear box, two ends of the input shaft extend out of two end faces of the upper box body, and two tapered roller bearings are arranged between the input shaft and the upper box body. Two tapered roller bearings are arranged between the two ends of the input shaft and the upper box body, and the two tapered roller bearings have the advantages of large bearing capacity, accurate positioning of the input shaft, simple structure and convenience in assembly.

In the novel gear box, the lower end of the lower box body is fixedly connected with a support, and the upper end of the support is fixedly connected with the lower end of the lower box body. Through setting up foretell support, the installation of box down of being convenient for has simple to operate's advantage.

In the novel gear box, the outer end of the lower box body is fixedly connected with an end cover, the output shaft penetrates through the end cover, and a framework oil seal is arranged between the output shaft and the end cover. A framework oil seal is arranged between the output shaft and the end vegetable, and has the advantages of good sealing effect and long service life.

In the novel gear box, the upper end of the upper box body is provided with an oil inlet, and an oil plug is connected to the oil inlet through threads. Through connecting the oil plug in inlet port department, have the convenient advantage of oiling.

In the novel gear box, a baffle is fixedly connected in the upper box body and is positioned at the outer side of the transmission shaft.

Compared with the prior art, the novel gear box has the following advantages:

1. when the structure of the gear box needs to be adjusted, the locking mechanism is loosened, the upper box body is rotated to a required angle, and then the upper box body and the lower box body are locked through the locking mechanism, so that the gear box has the advantages of being adjustable and wide in application range;

2. the first gear and the second gear can be replaced, different transmission ratios can be met, and the gear has the advantage of wide application range;

3. the upper box body is connected with the lower box body by inserting the connecting part into the connecting hole, so that the upper box body can rotate around the axis of the connecting part, and the device has the advantages of convenience in adjustment and reliable structure;

4. two tapered roller bearings are arranged between the two ends of the input shaft and the upper box body, and the two tapered roller bearings have the advantages of large bearing capacity, accurate positioning of the input shaft, simple structure and convenience in assembly.

Drawings

FIG. 1 is a schematic cross-sectional view of the novel gearbox.

FIG. 2 is a schematic cross-sectional view of the novel gearbox with the carrier.

Fig. 3 is a schematic perspective view of the novel gearbox with a stand.

Fig. 4 is a schematic view of the upper housing of the novel gearbox positioned directly above the lower housing.

Fig. 5 is a schematic view of the upper case of the novel gear case tilting to the right relative to the lower case.

Fig. 6 is a schematic view of the upper case of the novel gear case tilted to the left with respect to the lower case.

In the figure, 1, an upper box body; 1a, a communication hole; 2. an input shaft; 3. a lower box body; 3a, a connecting part; 4. a first gear; 5. an output shaft; 6. a transmission shaft; 7. a second gear; 8. bevel gears I; 9. bevel gears II; 10. a screw; 11. tapered roller bearings; 12. a support; 13. an end cap; 14. a framework oil seal; 15. an oil plug; 16. and a baffle.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, the novel gear box comprises an upper box body 1 and a lower box body 3, and is characterized in that the upper box body 1 is transversely provided with an input shaft 2 in a penetrating manner, the input shaft 2 is fixedly connected with a first gear 4, the lower box body 3 is internally and axially fixedly connected with an output shaft 5 and a transmission shaft 6, the output shaft 5 is provided with a first bevel gear 8, the transmission shaft 6 is fixedly connected with a second bevel gear 9, and the first bevel gear 8 is meshed with the second bevel gear 9.

The transmission shaft 6 is fixedly connected with a gear II 7, the gear I4 is meshed with the gear II 7, the gear I4 and the gear II 7 are positioned in the upper box body 1, and the gear I4 and the gear II 7 can be replaced. The upper box body 1 can rotate around the axis of the transmission shaft 6 relative to the lower box body 3, a locking mechanism is arranged between the upper box body 1 and the lower box body 3, and the upper box body 1 and the lower box body 3 are locked by the locking mechanism after the upper box body 1 rotates by a set angle relative to the lower box body 3. The lower case 3 is provided with a tubular connection portion 3a, the connection portion 3a is provided coaxially with the drive shaft 6, a communication hole 1a into which the connection portion 3a is inserted is provided at the lower side of the upper case 1, and the connection portion 3a is inserted into the communication hole 1 a. The locking mechanism comprises a plurality of threaded holes uniformly formed in the connecting portion 3a, and the screw 10 penetrates through the upper box body 1 to be connected with the threaded holes in a threaded mode.

The both ends of input shaft 2 all stretch out in the both ends face of last box 1, are equipped with two tapered roller bearings 11 between input shaft 2 and the last box 1, have bearing capacity big, to the location of input shaft 2 accurate, have simple structure and convenient assembling's advantage.

The outer end of the lower box body 3 is fixedly connected with an end cover 13, the output shaft 5 passes through the end cover 13, and a framework oil seal 14 is arranged between the output shaft 5 and the end cover 13, so that the sealing effect is good and the service life is long. The baffle 16 is fixedly connected in the upper box body 1, the baffle 16 is positioned on the outer side of the transmission shaft 6, an oil inlet hole is formed in the upper end of the upper box body 1, an oil plug 15 is connected at the oil inlet hole in a threaded manner, and the oil filling device has the advantage of convenience in oil filling.

During operation, power is input through the input shaft 2, the transmission shaft 6 is driven to rotate through the meshing of the first gear 4 and the second gear 7, the transmission shaft 6 drives the output shaft 5 to rotate through the gear assembly, when the structure of the gear box needs to be adjusted, the screw 10 is loosened, the upper box body 1 is rotated to a required angle, and then the upper box body 1 and the lower box body 3 are locked through the screw 10, so that the gearbox has the advantages of being capable of being adjusted and wide in application range. The upper box body 1 is connected with the lower box body 3 by inserting the connecting part 3a into the connecting hole, so that the upper box body 1 can rotate around the axis of the connecting part 3a, and the device has the advantages of convenience in adjustment and reliable structure. The first gear 4 and the second gear 7 can be replaced mutually, different transmission ratios can be met, and the device has the advantage of wide application range.

Preferably, as shown in fig. 2-6, the lower end of the lower box body 3 is fixedly connected with a support 12, and the upper end of the support 12 is fixedly connected with the lower end of the lower box body 3, so that the lower box body 3 is convenient to install, and the lower box body has the advantage of convenience in installation. The upper box 1 is connected with the lower box 3 by inserting the connecting part 3a into the connecting hole, so that the upper box 1 can rotate around the axis of the connecting part 3a, and the angle of the upper box 1 relative to the lower box 3 can be adjusted.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the upper casing 1, the communication hole 1a, the input shaft 2, the lower casing 3, the connection portion 3a, the gear one 4, the output shaft 5, the transmission shaft 6, the gear two 7, the bevel gear one 8, the bevel gear two 9, the screw 10, the tapered roller bearing 11, the support 12, the end cover 13, the frame oil seal 14, the oil plug 15, the baffle 16 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. Novel gear box, including last box (1) and lower box (3), its characterized in that, last box (1) transversely wear to be equipped with input shaft (2), input shaft (2) on link firmly first gear (4), lower box (3) in axial have linked firmly output shaft (5) and transmission shaft (6), output shaft (5) with transmission shaft (6) pass through gear assembly and transmit mutually, transmission shaft (6) on link firmly second gear (7) and first gear (4) with second gear (7) mesh mutually, first gear (4) with second gear (7) be located last box (1), last box (1) can be relative lower box (3) around the axis rotation of transmission shaft (6), last box (1) with lower box (3) between be equipped with locking mechanism and when last box (1) down the box with locking mechanism behind the box (3) will be locked mutually.

2. A novel gearbox according to claim 1, characterised in that the first gear (4) and the second gear (7) are exchangeable.

3. The novel gear box according to claim 1, wherein the output shaft (5) is provided with a first bevel gear (8), the transmission shaft (6) is fixedly connected with a second bevel gear (9), and the first bevel gear (8) is meshed with the second bevel gear (9).

4. A novel gear box according to claim 1, 2 or 3, wherein the lower box body (3) is provided with a cylindrical connecting part (3 a), the connecting part (3 a) and the transmission shaft (6) are coaxially arranged, the lower side of the upper box body (1) is provided with a communication hole (1 a) into which the connecting part (3 a) is inserted, and the connecting part (3 a) is inserted into the communication hole (1 a).

5. The novel gear box according to claim 4, wherein the locking mechanism comprises a plurality of threaded holes uniformly formed in the connecting portion (3 a), and the screw (10) penetrates through the upper box body (1) to be connected with the threaded holes in a threaded manner.

6. A novel gear box according to claim 1, 2 or 3, wherein two ends of the input shaft (2) extend out of two end faces of the upper box body (1), and two tapered roller bearings (11) are arranged between the input shaft (2) and the upper box body (1).

7. A novel gearbox according to claim 1, 2 or 3, wherein the lower end of the lower box body (3) is fixedly connected with a support (12), and the upper end of the support (12) is fixedly connected with the lower end of the lower box body (3).

8. A novel gearbox according to claim 1, 2 or 3, wherein the outer end of the lower box body (3) is fixedly connected with an end cover (13), the output shaft (5) passes through the end cover (13), and a framework oil seal (14) is arranged between the output shaft (5) and the end cover (13).

9. A novel gear box according to claim 1, 2 or 3, wherein the upper end of the upper box body (1) is provided with an oil inlet hole, and an oil plug (15) is connected at the oil inlet hole through a screw thread.

10. A novel gearbox according to claim 1, 2 or 3, wherein a baffle (16) is fixedly connected in the upper box body (1) and the baffle (16) is positioned outside the transmission shaft (6).