Gearbox for double-geared roller screening crusher

Abstract

The utility model relates to the technical field of gear boxes, and discloses a gear box for a double-geared roller screening crusher, which comprises two box bodies, an input roller and an output roller are rotationally arranged in the two box bodies through rotating shafts and are positioned at a first protective shell and a second protective shell which correspond to each other, and the input roller and the output roller are arranged in the two box bodies through rotating shafts. Input shafts and output shafts are fixedly arranged at the front ends of the two input rollers and the front ends of the output rollers correspondingly, a belt is fixedly connected between the two corresponding input rollers and the two corresponding output rollers, dustproof plates are detachably arranged at the front ends of the two box bodies correspondingly, and first screw holes are formed in the four corners of each dustproof plate correspondingly. According to the gear box, dust and particles generated during operation of the crusher can be prevented from entering the box body to damage the interior of the box body, meanwhile, the phenomenon that the box body falls off or deviates during operation to affect the overall function of the crusher is avoided, and therefore the service life of the gear box is prolonged, and the stability of the gear box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a gear box for a double-toothed roller screening crusher. Background Art

[0002] Double-toothed roller screening crusher is a kind of equipment widely used in mining, chemical industry, electric power and other industries. It has the advantages of screening, selective crushing and reducing the amount of crushing. When in use, the input end of the double-toothed roller screening crusher needs to be connected to the drive motor through the gear box. Therefore, the gear box plays an extremely important role as a device connecting the double-toothed roller screening crusher and the drive motor.

[0003] After searching, it was found that the existing double-tooth roller screening crusher gearbox will generate a lot of dust and particles during operation. After entering the gearbox, it will cause damage to the internal parts and affect the service life of the gearbox. At the same time, the gearbox is located on both sides of the crusher and needs to be fixed to avoid deviation and shaking of the gearbox to prevent affecting the normal operation of the crusher.

[0004] Therefore, those skilled in the art provide a gearbox for a double-toothed roller screening crusher to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a gear box for a double-toothed roller screening crusher, which can prevent dust and particles generated by the crusher during operation from entering the interior of the box, thereby causing damage to the interior of the box, and at the same time prevent the box from falling off or deviating during operation, affecting the overall function of the crusher, thereby improving the service life and stability of the gear box.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A gearbox for a double-toothed roller screening crusher, comprising a box body, wherein the box body is two in number, an input roller and an output roller are arranged inside the two boxes and located at the corresponding first protective shell and second protective shell, both of which are rotatably arranged through a rotating shaft, an input shaft and an output shaft are fixedly arranged at the front ends of the two input rollers and the output rollers, a belt is fixedly connected between the corresponding two input rollers and the output rollers, dustproof plates are detachably arranged at the front ends of the two boxes, first screw holes are opened at the four corners of the two dustproof plates, and first fixing bolts are threadedly arranged at the front ends of the two dustproof plates and located at the first screw holes;

[0008] Through the above technical solution, a removable dustproof plate is set up to prevent dust generated by the crusher during operation from entering the interior of the box and causing damage to the parts inside the box. At the same time, the dustproof plate is easy to replace and clean, thereby extending its service life. The dustproof plate is stuck in the groove, the threaded column passes through the first screw hole, and is fixed to the box with the first fixing bolt, thereby improving the service life of the gear box.

[0009] Furthermore, fixing plates are fixedly arranged at the lower ends of both sides of the two boxes, a plurality of second screw holes are evenly spaced on the fixing plates, and second fixing bolts are threadedly arranged at the upper ends of the fixing plates and at the corresponding second screw holes;

[0010] Through the above technical solution, the fixing plate can be fixed to the crusher body to prevent the vibration generated by the crusher during operation from affecting the box body and causing it to fall off and deviate. The box body is placed in a specified position and the fixing plate is fixed to the crusher body with a second fixing bolt, so that the box body remains stable during operation, thereby improving the stability of the gear box.

[0011] Furthermore, a first protective shell and a second protective shell are fixedly arranged on both sides of the inside of the two boxes;

[0012] Through the above technical solution, the first protective shell and the second protective shell are fixedly arranged on both sides of the box body, so that the maintenance personnel can be protected from aftershocks when replacing the belt.

[0013] Furthermore, the input rollers and the output rollers inside the two boxes are interlaced with each other;

[0014] Through the above technical solution, the input rollers and the output rollers inside the box body are interlaced with each other, so that the crushing rollers can rotate relative to each other, thereby allowing the crusher to operate normally.

[0015] Furthermore, the front ends of the two boxes are provided with grooves;

[0016] Through the above technical solution, grooves are opened at the front end of the box body, so that the dustproof plate can be installed without affecting the appearance of the box body.

[0017] Furthermore, threaded columns are fixedly arranged at the four corners of the front ends of the two boxes and located in the grooves;

[0018] Through the above technical solution, threaded columns are fixedly arranged at the four corners of the front end of the box and in the grooves, so that the dustproof plate can be fixed on the box, thereby facilitating further fixation.

[0019] Furthermore, the plurality of first fixing bolts respectively penetrate the corresponding first screw holes and are threadedly disposed inside the threaded column;

[0020] Through the above technical solution, the first fixing bolts respectively penetrate the corresponding first screw holes and are threadedly arranged inside the threaded column, so as to prevent the dustproof plate from being separated from the box body due to vibration when the box body is in operation.

[0021] Furthermore, a plurality of the second fixing bolts respectively penetrate the corresponding second screw holes and are threadedly connected to both sides of the crusher body;

[0022] Through the above technical solution, the second fixing bolts respectively penetrate the corresponding second screw holes and are threadedly connected to both sides of the crusher body, thereby preventing the box body from being offset due to vibration, thereby affecting the normal operation of the crusher.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes a gear box for a double-toothed roller screening crusher. The gear box is provided with a detachable dustproof plate to prevent dust generated by the crusher during operation from entering the interior of the box body and causing damage to the parts inside the box body. At the same time, the dustproof plate is easy to replace and clean, thereby extending its service life. The dustproof plate is clamped in the groove, the threaded column passes through the first screw hole, and is fixed to the box body with a first fixing bolt, thereby improving the service life of the gear box.

[0025] 2. The utility model proposes a gear box for a double-toothed roller screening crusher. The gear box can be fixed to the crushing machine body through a fixing plate to prevent the vibration generated during the operation of the crusher from affecting the box body and causing it to fall off and deviate. The box body is placed in a specified position and the fixing plate is fixed to the crushing machine body with a second fixing bolt, so that the box body remains stable during operation, thereby improving the stability of the gear box.

[0026] 3. The utility model proposes a gear box for a double-toothed roller screening crusher, which can prevent dust and particles generated during the operation of the crusher from entering the interior of the box, thereby causing damage to the interior of the box, and at the same time prevent the box from falling off or deviating during operation, affecting the overall function of the crusher, thereby improving the service life and stability of the gear box. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A three-dimensional diagram of a gear box for a double-toothed roller screening crusher proposed in the utility model;

[0028] Figure 2 This is a schematic diagram of the box structure of a gear box for a double-toothed roller screening crusher proposed in the utility model;

[0029] Figure 3 This is a schematic diagram of the cone roller structure of a gear box for a double-toothed roller screening crusher proposed in the utility model;

[0030] Figure 4 This is a schematic diagram of the dustproof plate structure of a gear box for a double-toothed roller screening crusher proposed by the utility model;

[0031] Figure 5 The utility model is a schematic diagram of the fixed seat structure of a gear box for a double-toothed roller screening crusher.

[0032] Legend:

[0033] 1. Box body; 2. First protective shell; 3. Second protective shell; 4. Rotating shaft; 5. Input roller; 6. Output roller; 7. Belt; 8. Input shaft; 9. Output shaft; 10. Dustproof plate; 11. Groove; 12. Threaded column; 13. First screw hole; 14. First fixing bolt; 15. Fixing plate; 16. Second screw hole; 17. Second fixing bolt. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-5 , the utility model provides an embodiment: a gear box for a double-toothed roller screening crusher, including a box body 1, the number of the box bodies 1 is two, the inside of the two boxes 1 and the corresponding first protective shell 2 and second protective shell 3 are both rotatably provided with an input roller 5 and an output roller 6 through a rotating shaft 4, the front ends of the two input rollers 5 and the output rollers 6 are fixedly provided with an input shaft 8 and an output shaft 9, the corresponding two input rollers 5 and the output rollers 6 are fixedly connected with a belt 7, the front ends of the two boxes 1 are both detachably provided with dustproof plates 10, and the four corners of the two dustproof plates 10 are provided with first Screw hole 13, the front end of the two dustproof plates 10 and the first screw hole 13 are both threadedly provided with a first fixing bolt 14. By providing a detachable dustproof plate 10, dust generated during the operation of the crusher can be prevented from entering the interior of the box body 1, thereby causing damage to the parts inside the box body 1. At the same time, it is convenient to replace and clean the dustproof plate 10 to extend its service life. The dustproof plate 10 is stuck in the groove 11, the threaded column 12 passes through the first screw hole 13, and is fixed to the box body 1 with the first fixing bolt 14, thereby improving the service life of the gear box.

[0036] Fixing plates 15 are fixedly provided on both sides of the two boxes 1 near their lower ends, and multiple second screw holes 16 are equidistantly provided on the multiple fixing plates 15. Second fixing bolts 17 are threadedly provided on the upper ends of the multiple fixing plates 15 and at the corresponding second screw holes 16. The fixing plates 15 can be fixed to the crusher body to prevent the vibration generated during the operation of the crusher from affecting the box 1 and causing it to fall off and deviate. By placing the box 1 at a specified position and fixing the fixing plates 15 to the crusher body with the second fixing bolts 17, the box 1 remains stable during operation, thereby improving the stability of the gear box.

[0037] The first protective shell 2 and the second protective shell 3 are fixedly arranged on both sides of the two boxes 1. By fixing the first protective shell 2 and the second protective shell 3 on both sides of the box 1, the maintenance personnel can be protected from aftershocks when replacing the belt 7.

[0038] The input rollers 5 and the output rollers 6 inside the two boxes 1 are interlaced with each other. By interlacing the input rollers 5 and the output rollers 6 inside the boxes 1, the crushing rollers can rotate relative to each other, so that the crusher can operate normally.

[0039] The front ends of the two boxes 1 are both provided with grooves 11 , and the front ends of the boxes 1 are both provided with grooves 11 , so that the dustproof plates 10 can be installed without affecting the appearance of the boxes 1 .

[0040] Threaded columns 12 are fixedly provided at the four corners of the front end of the two boxes 1 and in the grooves 11. The dustproof plate 10 can be fixed on the box 1 through the threaded columns 12 fixedly provided at the four corners of the front end of the box 1 and in the grooves 11, so as to facilitate further fixation.

[0041] A plurality of first fixing bolts 14 respectively penetrate the corresponding first screw holes 13 and are threadedly arranged inside the threaded column 12. The first fixing bolts 14 respectively penetrate the corresponding first screw holes 13 and are threadedly arranged inside the threaded column 12 to prevent the dustproof plate 10 from detaching from the box body 1 due to vibration when the box body 1 is in operation.

[0042] A plurality of second fixing bolts 17 respectively penetrate the corresponding second screw holes 16 and are threadedly connected to both sides of the crusher body. The second fixing bolts 17 respectively penetrate the corresponding second screw holes 16 and are threadedly connected to both sides of the crusher body to prevent the box body 1 from being offset due to vibration, thereby affecting the normal operation of the crusher.

[0043] Working principle: When the gearbox for the double-toothed roller screening crusher is used, firstly, the dustproof plate 10 is stuck in the groove 11, the threaded column 12 passes through the first screw hole 13, and is fixed to the box body 1 with the first fixing bolt 14, and then the box body 1 is placed in the specified position, and the fixing plate 15 is fixed to the crusher body with the second fixing bolt 17, thereby improving the service life and stability of the gearbox.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gearbox for a double-toothed roller screening crusher, comprising a housing (1), characterized in that: There are two boxes (1), and input rollers (5) and output rollers (6) are rotatably arranged inside the two boxes (1) and at the corresponding first protective shells (2) and second protective shells (3) through a rotating shaft (4). An input shaft (8) and an output shaft (9) are fixedly arranged at the front ends of the two input rollers (5) and the output rollers (6). A belt (7) is fixedly connected between the two corresponding input rollers (5) and the output rollers (6). Dustproof plates (10) are detachably arranged at the front ends of the two boxes (1), and first screw holes (13) are opened at the four corners of the two dustproof plates (10). First fixing bolts (14) are threadedly arranged at the front ends of the two dustproof plates (10) and at the first screw holes (13).

2. A gearbox for a double-toothed roller screening crusher according to claim 1, characterized in that: A fixing plate (15) is fixedly arranged at the lower ends of both sides of the two boxes (1), a plurality of second screw holes (16) are evenly spaced on the fixing plates (15), and a second fixing bolt (17) is threadedly arranged at the upper ends of the fixing plates (15) and at the corresponding second screw holes (16).

3. The gear box for a double-toothed roller screening crusher according to claim 1, characterized in that: A first protective shell (2) and a second protective shell (3) are fixedly arranged on both sides of the inside of the two boxes (1).

4. The gear box for a double-toothed roller screening crusher according to claim 1, characterized in that: The input rollers (5) and the output rollers (6) inside the two boxes (1) are interlaced with each other.

5. The gear box for a double-toothed roller screening crusher according to claim 1, characterized in that: The front ends of the two boxes (1) are each provided with a groove (11).

6. The gear box for a double-toothed roller screening crusher according to claim 1, characterized in that: Threaded columns (12) are fixedly arranged at the four corners of the front ends of the two boxes (1) and located in the grooves (11).

7. The gear box for a double-toothed roller screening crusher according to claim 1, characterized in that: The plurality of first fixing bolts (14) respectively penetrate the corresponding first screw holes (13) and are threadedly arranged inside the threaded column (12).

8. The gear box for a double-toothed roller screening crusher according to claim 2, characterized in that: The plurality of second fixing bolts (17) respectively penetrate the corresponding second screw holes (16) and are threadedly connected to both sides of the crusher body.

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