Internal gearing reduction gear with small tooth difference

Abstract

The utility model discloses an internal gearing reduction gear with small tooth difference, which relates to the reduction gear field, and comprises a support main block, the outer side edge of the support main block is horizontally and fixedly welded with a mounting outer ring, the top surface of the mounting outer ring is uniformly provided with fixing through holes, the bottom surface of the support main block is vertically inserted with a bottom main shaft rod, and the bottom main shaft rod is fixedly connected with the bottom main shaft rod. Side air cylinders are horizontally and symmetrically fixedly connected to the outer side edge of the supporting main block through bolts, a top through groove is horizontally formed in the top face of the supporting main block, a sealing cover plate is horizontally and fixedly connected to the inner side edge of the top through groove through threads, and a transmission shaft rod is vertically inserted into the top face of the sealing cover plate; a fixing inner block is horizontally and fixedly arranged on the inner side edge of the supporting main block, a sleeving bearing is fixedly connected to the inner side edge of the fixing inner block in a sleeving mode, a detachable open structure is adopted so that the inside can be conveniently maintained and replaced, and meanwhile the supporting and stabilizing effect can be adjusted according to needs under the adjustable structure.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction gears, in particular to an internal meshing reduction gear with a small tooth difference. Background Art

[0002] The gear reducer is an independent closed transmission device between the prime mover and the working machine. It is used to reduce the speed and increase the torque to meet the working needs. It is also used to increase the speed in some occasions and is called a speed increaser.

[0003] When the reduction gears used on current reducers are installed and used, the internal meshing connection structure used will cause the internal planetary gears to run in a misaligned and jittery manner, resulting in unstable transmission. This results in an unstable transmission and easily causes gear damage, while the fixed support stabilization structure cannot meet the requirements for adjustment and fixed use. Utility Model Content

[0004] The purpose of the utility model is to provide an internal meshing reduction gear with a small tooth difference, so as to solve the problem raised in the above background technology that when the reduction gear is used on the existing reducer, the internal meshing connection structure adopted will cause the operation of the internal planetary gear to form a misalignment and jump, resulting in unstable transmission, resulting in an unsmooth transmission and easy damage to the gears, while the fixed support stabilizing structure cannot meet the requirements for adjustment and fixed use.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An internal meshing reduction gear with a small tooth difference comprises a supporting main block, an outer side edge of the supporting main block is horizontally fixedly welded with an outer mounting ring, the top surface of the mounting outer ring is evenly provided with fixing through holes, a bottom main shaft rod is vertically inserted into the bottom surface of the supporting main block, a side cylinder is horizontally and symmetrically bolted to the outer side edge of the supporting main block, a top through groove is horizontally provided on the top surface of the supporting main block, a sealing cover plate is horizontally threadedly fixedly connected to the inner side edge of the top through groove, a transmission shaft rod is vertically inserted into the top surface of the sealing cover plate, a fixed inner block is horizontally fixedly provided on the inner side edge of the supporting main block, a sleeve bearing is fixedly sleeved on the inner side edge of the fixed inner block, A rotating inner disk is horizontally arranged on the inner side edge of the sleeve bearing, and a transmission tooth groove is horizontally opened on the top surface of the rotating inner disk, and a horizontal groove is symmetrically opened on the inner side wall of the supporting main block, and an extension rod is horizontally inserted into the inner side edge of the horizontal groove, and one end of the extension rod is horizontally clamped with an inner bearing, and a fixed end block is welded to one end of the extension rod, and an extrusion inner block is horizontally clamped on the inner side edge of the fixed end block, and an extrusion screw is threadedly connected to the outer side edge of the fixed end block, and fixing screw holes are evenly opened on the inner bottom surface of the top through groove, and a top bearing is fixedly arranged on the top surface of the sealing cover plate, and a transmission gear is fixedly sleeved on the bottom end of the transmission shaft.

[0007] As a preferred embodiment of the utility model: the mounting outer ring is horizontally fixed in an annular shape at the bottom end of the outer side of the supporting main block, the fixing through holes are evenly arranged in a through-type arrangement on the top surface of the mounting outer ring, the top end of the bottom main shaft rod is through-type inserted in the center bearing of the bottom surface of the supporting main block, and the top end is extended to the inner side of the supporting main block and is fixedly welded to the center position of the bottom surface of the rotating inner disk.

[0008] As a preferred embodiment of the present invention: the side cylinders are arranged horizontally and symmetrically, and the output ends of the side cylinders horizontally penetrate the side walls of the supporting main block and extend to the inner side edges of the horizontal grooves, the extended ends are fixedly connected and arranged at the center position of one end of the extended plug rod, and the top through grooves are horizontally penetrated and opened at the center position of the top surface of the supporting main block.

[0009] As a preferred embodiment of the present utility model: the bottom end of the transmission shaft is inserted into the inner side of the top bearing, and the extended bottom end extends to the inner side of the supporting main block, the extended end is fixedly connected and arranged at the center position of the transmission gear, the fixed inner block is horizontally fixed at the inner bottom end of the supporting main block, and the sleeve bearing is fixedly sleeved and arranged on the outer side of the rotating inner disk.

[0010] As a preferred embodiment of the present invention: the extension rods are arranged in parallel with each other in a superimposed manner, the inner bearing is horizontally clamped and arranged at the groove position at one end of the extension rod away from the horizontal groove, the fixed end block is arranged in a U-shape, and the fixed end block is horizontally buckled and fixed at one end of the extension rod.

[0011] As a preferred embodiment of the utility model: a groove on one side of the extrusion inner block is buckled and arranged on the outer side of the inner bearing, one end of the extrusion screw is extended and inserted and arranged at the center position of one side of the extrusion inner block, the fixing screw holes are equidistantly arranged on the inner bottom surface of the top through groove near the edge, the top bearing is fixedly arranged on the top surface of the sealing cover plate near the edge, and the outer side edge of the transmission gear and the inner side edge of the transmission tooth groove are gear-connected with each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model sets the supporting main block at the designated position by docking, and then passes the bolts through the fixing through holes to fix the mounting outer ring at the designated position, and vertically inserts the transmission shaft rod inside the top through groove, so that the transmission gear at the bottom end is horizontally set in the internal tooth connection setting of the transmission tooth groove, and after the side cylinder is adjusted, the output end drives the extension plug rod to telescopically move to the designated length inside the horizontal groove, and the bottom end of the transmission shaft rod is vertically inserted and set inside the two inner bearings, and after the extrusion screw rod on the opposite side is rotated, one end tops and then extrude the inner block to extrude and fix the inner bearing on the inner side of the fixed end block, so that the transmission shaft rod is supported to be set vertically on the inner side of the supporting main block, and then the sealing cover plate is sleeved and set on the transmission tooth groove. After the outer edge of the input shaft rod is connected, the sealing cover plate is fixed to the inside of the top through groove by bolts, and the top end connection of the top transmission shaft rod is set at the specified position, and the bottom end connection of the bottom main shaft rod at the bottom end is set at the output end of the power equipment. Under the rotation operation of the power equipment, the output end drives the rotating inner disk to rotate, and the rotation of the rotating inner disk is more stable and does not deviate under the sleeve connection of the internal sleeve bearing. The transmission tooth groove at the top drives the rotation operation of the through gear to make the transmission shaft rod on the top surface rotate and transmit, and with the support of the two extension rods, the rotation transmission of the transmission shaft rod is more stable. The detachable open structure is adopted to facilitate the internal maintenance and replacement operations, and the adjustable structure makes the support stability effect adjustable as needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a three-dimensional structural schematic diagram of an internal meshing reduction gear with a small tooth difference;

[0016] Figure 2 It is a structural schematic diagram of the front view cross-section connection details of the supporting main block of an internal meshing reduction gear with a small tooth difference;

[0017] Figure 3It is a structural schematic diagram of a top view of the connection details of an extended plug rod of an internal meshing reduction gear with a small tooth difference;

[0018] Figure 4 It is a structural schematic diagram of the front view cross-sectional connection details of a sealing cover plate of an internal meshing reduction gear with a small tooth difference;

[0019] Figure 5 The present invention is a structural schematic diagram showing the front view connection details of a transmission shaft of an internal meshing reduction gear with a small tooth difference.

[0020] In the figure: 1. Support main block; 2. Install outer ring; 3. Fix through hole; 4. Bottom main shaft rod; 5. Side cylinder; 6. Top through groove; 7. Sealing cover plate; 8. Transmission shaft rod; 9. Fixed inner block; 10. Sleeve bearing; 11. Rotating inner disk; 12. Transmission tooth groove; 13. Horizontal groove; 14. Extending plug rod; 15. Inner bearing; 16. Fixed end block; 17. Extrusion inner block; 18. Extrusion screw; 19. Fixing screw hole; 20. Top bearing; 21. Transmission gear. DETAILED DESCRIPTION

[0021] See also Figure 1 In the embodiment of the utility model, an internal meshing reduction gear with a small tooth difference includes a supporting main block 1, an outer side edge of the supporting main block 1 is horizontally fixedly welded with an installation outer ring 2, the top surface of the installation outer ring 2 is evenly provided with fixing through holes 3, and a bottom main shaft rod 4 is vertically inserted into the bottom surface of the supporting main block 1. The installation outer ring 2 is annularly horizontally fixedly arranged at the bottom end position of the outer side edge of the supporting main block 1, and the fixing through holes 3 are all arranged in a through-type equidistant arrangement on the top surface of the installation outer ring 2, and the top end of the bottom main shaft rod 4 is inserted through and arranged inside the center bearing of the bottom surface of the supporting main block 1, and the top end is extended to the inner side edge of the supporting main block 1 and fixedly welded. The side cylinders 5 are arranged horizontally and symmetrically, and the output ends of the side cylinders 5 horizontally penetrate the side walls of the supporting main block 1 and extend to the inner side of the horizontal channel 13. The extended ends are fixedly connected to the center of one end of the extended plug rod 14. The top through groove 6 is horizontally penetrated and opened at the center of the top surface of the supporting main block 1. The inner side of the top through groove 6 is horizontally threaded and fixedly connected with a sealing cover plate 7. The top surface of the sealing cover plate 7 is vertically plugged with a transmission shaft rod 8.

[0022] See also Figure 2-5In the embodiment of the utility model, an internal meshing reduction gear with a small tooth difference is provided, wherein a fixed inner block 9 is horizontally fixedly provided on the inner side of the supporting main block 1, and a sleeve bearing 10 is fixedly sleeved on the inner side of the fixed inner block 9. The bottom end of the transmission shaft 8 is inserted through and arranged on the inner side of the top bearing 20, and the extended bottom end extends to the inner side of the supporting main block 1, and the extended end is fixedly connected and arranged at the center position of the transmission gear 21. The fixed inner block 9 is horizontally fixedly provided at the inner bottom end position of the supporting main block 1, and the sleeve bearing 10 is fixedly sleeved on the inner side of the fixed inner block 9. The bearing 10 is fixedly sleeved and arranged on the outer side of the rotating inner disk 11, and the inner side of the sleeve bearing 10 is horizontally arranged with the rotating inner disk 11. The top surface of the rotating inner disk 11 is horizontally provided with a transmission tooth groove 12, and the inner side wall of the supporting main block 1 is horizontally symmetrically provided with a horizontal groove 13. The inner side of the horizontal groove 13 is horizontally inserted with an extension rod 14, and one end of the extension rod 14 is horizontally clamped with an inner bearing 15, and one end of the extension rod 14 is welded with a fixed end block 16, and the extension rods 14 are superimposed on each other in a flat manner. The inner bearing 15 is horizontally clamped and arranged at the end of the extension rod 14 away from the horizontal groove 13. The fixed end block 16 is arranged in a U-shaped shape, and the fixed end block 16 is horizontally buckled and fixed at one end of the extension rod 14. The inner side edge of the fixed end block 16 is horizontally clamped with an extruded inner block 17, and the outer side edge of the fixed end block 16 is threadedly connected with an extruded screw 18. The inner bottom surface of the top through groove 6 is evenly provided with fixing screw holes 19, and the top surface of the sealing cover plate 7 is fixedly provided with a top bearing 2 0, a transmission gear 21 is fixedly sleeved at the bottom end of the transmission shaft 8, a side groove of the extrusion inner block 17 is buckled and set on the outer side of the inner bearing 15, one end of the extrusion screw 18 is extended and inserted and set at the center position of one side of the extrusion inner block 17, the fixing screw holes 19 are equidistantly arranged on the inner bottom surface of the top through groove 6 near the edge, the top bearing 20 is fixedly set on the top surface of the sealing cover plate 7 near the edge, and the outer side edge of the transmission gear 21 and the inner side edge of the transmission tooth groove 12 are gear-connected with each other.

[0023] The working principle of the utility model is:

[0024] After the supporting main block 1 is docked and set at the specified position, the outer ring 2 is fixedly installed at the specified position after the bolts are passed through the fixing through holes 3, and the transmission shaft 8 is vertically inserted and set inside the top through groove 6, so that the transmission gear 21 at the bottom end is horizontally set in the internal tooth connection setting of the transmission tooth groove 12, and after the side cylinder 5 is adjusted, the output end drives the extension rod 14 to telescopically move to the specified length inside the horizontal groove 13, and the bottom end of the transmission shaft 8 is vertically inserted and set inside the two inner bearings 15, and after the extrusion screw 18 on the side is rotated, one end is pushed up and then the inner block 17 is extruded to fix the inner bearing 15 on the inner side of the fixed end block 16, so that the transmission shaft 8 is supported vertically. It is vertically set on the inner side of the supporting main block 1, and then the sealing cover plate 7 is sleeved on the outer side of the transmission shaft rod 8, and then the sealing cover plate 7 is fixed to the inside of the top through groove 6 by bolts, and the top end of the transmission shaft rod 8 is connected and set at the specified position, and at the same time, the bottom end of the bottom main shaft rod 4 is connected and set at the output end of the power equipment. Under the rotation operation of the power equipment, the output end drives the rotating inner disk 11 to rotate, and under the sleeve connection of the internal sleeve bearing 10, the rotation of the rotating inner disk 11 is more stable and does not deviate, and the transmission tooth groove 12 at the top drives the rotation operation of the through gear 21 to make the top surface of the transmission shaft rod 8 rotate and transmit, and with the support of the two extension rods 14, the rotation transmission of the transmission shaft rod 8 is more stable.

[0025] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An internal meshing reduction gear with a small tooth difference, comprising a supporting main block (1), characterized in that: The outer side of the main support block (1) is horizontally fixedly welded with an outer mounting ring (2), the top surface of the outer mounting ring (2) is evenly provided with fixing through holes (3), the bottom surface of the main support block (1) is vertically plugged with a bottom main shaft rod (4), the outer side of the main support block (1) is horizontally symmetrically bolted with a side cylinder (5), the top surface of the main support block (1) is horizontally provided with a top through groove (6), the inner side of the top through groove (6) is horizontally threadedly fixedly connected with a sealing cover plate (7), the top surface of the sealing cover plate (7) is vertically plugged with a transmission shaft rod (8), the inner side of the main support block (1) is horizontally fixedly provided with a fixed inner block (9), the inner side of the fixed inner block (9) is fixedly sleeved with a sleeve bearing (10), and the inner side of the sleeve bearing (10) is horizontally provided with a rotating inner disk (11) ), the top surface of the rotating inner disk (11) is horizontally provided with a transmission tooth groove (12), the inner side wall of the supporting main block (1) is horizontally symmetrically provided with a horizontal groove (13), the inner side edge of the horizontal groove (13) is horizontally inserted with an extension rod (14), one end of the extension rod (14) is horizontally clamped with an inner bearing (15), one end of the extension rod (14) is welded with a fixed end block (16), the inner side edge of the fixed end block (16) is horizontally clamped with an extrusion inner block (17), the outer side edge of the fixed end block (16) is threadedly connected with an extrusion screw (18), the inner bottom surface of the top through groove (6) is evenly provided with fixing screw holes (19), the top surface of the sealing cover plate (7) is fixedly provided with a top bearing (20), and the bottom end of the transmission shaft (8) is fixedly sleeved with a transmission gear (21).

2. The internal meshing reduction gear with small tooth difference according to claim 1, characterized in that: The mounting outer ring (2) is horizontally fixedly arranged in an annular shape at the bottom end of the outer side of the supporting main block (1); the fixing through holes (3) are all arranged in a through-type equidistant manner on the top surface of the mounting outer ring (2); the top end of the bottom main shaft rod (4) is inserted into the interior of the bottom center bearing of the supporting main block (1), and the top end is extended to the inner side of the supporting main block (1) and is fixedly welded to the bottom center of the rotating inner disk (11).

3. The internal meshing reduction gear with small tooth difference according to claim 1, characterized in that: The side cylinders (5) are arranged horizontally and symmetrically, and the output ends of the side cylinders (5) horizontally penetrate the side walls of the supporting main block (1) and extend to the inner side edge of the horizontal groove (13), the extended ends are fixedly connected and arranged at the center position of one end of the extended plug rod (14), and the top through groove (6) is horizontally penetrated and opened at the center position of the top surface of the supporting main block (1).

4. The internal meshing reduction gear with small tooth difference according to claim 1, characterized in that: The bottom end of the transmission shaft (8) is inserted through the inner side of the top bearing (20), and the extended bottom end extends to the inner side of the supporting main block (1), and the extended end is fixedly connected to the center position of the transmission gear (21), the fixed inner block (9) is horizontally fixedly arranged at the inner bottom end position of the supporting main block (1), and the sleeve bearing (10) is fixedly sleeved on the outer side of the rotating inner disk (11).

5. The internal meshing reduction gear with small tooth difference according to claim 1, characterized in that: The extension rods (14) are arranged in parallel and stacked with each other, the inner bearing (15) is horizontally snap-fitted and arranged at a groove position at one end of the extension rod (14) away from the horizontal groove (13), the fixed end block (16) is arranged in a U-shape, and the fixed end block (16) is horizontally snap-fitted and fixedly arranged at one end of the extension rod (14).

6. The internal meshing reduction gear with small tooth difference according to claim 1, characterized in that: A groove on one side of the extrusion inner block (17) is buckled and arranged on the outer side of the inner bearing (15); one end of the extrusion screw (18) is extended and inserted and arranged at the center position of one side of the extrusion inner block (17); fixing screw holes (19) are arranged at equal intervals on the inner bottom surface of the top through groove (6) near the edge; the top bearing (20) is fixedly arranged on the top surface of the sealing cover plate (7) near the edge; and the outer side of the transmission gear (21) and the inner side of the transmission tooth groove (12) are gear-engaged with each other.

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