Driving type slewing device with slewing bearing internal gear

Abstract

The utility model relates to the technical field of slewing devices, in particular to a driving type slewing device with a slewing bearing inner gear, which comprises a shaft seat box and a seat ring, a slewing bearing is arranged in the seat ring, a worm meshed with a worm gear on the outer ring surface of the slewing bearing is rotatably arranged in the shaft seat box, and a worm gear is arranged on the outer ring surface of the slewing bearing. Rotating shafts are rotationally arranged on the inner walls of the two sides of the shaft seat box; and the lubricating assembly is used for lubricating the meshing part of the worm and the worm gear on the outer ring surface of the slewing bearing. By arranging the lubricating assembly, in the using process of the device, the reciprocating lead screw can be driven to rotate through rotation of the driving motor, a rotating sliding plate of the reciprocating lead screw moves back and forth, and lubricating oil in a lubricating oil liquid cavity is sprayed out to the meshing position of a worm and a worm wheel through a lubricating pipe and a spray head for lubricating; repeated circulating lubrication of the lubricating oil is achieved, and then the defect that in the prior art, the meshing position of the worm and the worm gear cannot be automatically lubricated is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary devices, in particular to a driving rotary device with a rotary support internal gear. Background Art

[0002] The slewing drive is a full-circle slewing reduction transmission mechanism that integrates a driving power source.

[0003] In the prior art, a rotary drive device with a publication number of CN209587082U adopts a scheme of "including: a base, a slewing bearing and a worm, the base includes a shaft housing and a seat ring, the shaft housing and the seat ring are connected as a whole, the axis center line of the shaft housing and the axis center line of the seat ring are perpendicular to each other in space, the slewing bearing is installed in the seat ring, the slewing bearing includes an inner ring, an outer gear ring and a raceway formed between the inner ring and the outer gear ring, balls are arranged in the raceway, the outer gear ring teeth of the outer gear ring are meshed with the worm teeth of the worm, the worm is arranged in the shaft housing, a first through-hole oil passage is arranged on the worm teeth, the first outlet and the first inlet of the first through-hole oil passage are respectively located on the two sides of the worm teeth, a second through-hole oil passage is arranged on the outer gear ring, the inlet of the second through-hole oil passage is meshed with the first outlet of the first through-hole oil passage correspondingly, and the outlet of the second through-hole oil passage is connected to the raceway". This scheme of the utility model has the effect of effectively lubricating the inside of the device, reducing wear and facilitating transmission.

[0004] However, the above solution still has some shortcomings. For example, during the actual operation of the rotary drive device, it is necessary to manually add lubricating oil regularly. After long-term use, it is easy for people to forget to add lubricating oil. That is, the technical solution proposed by the above patent technology has the defect of not being able to automatically lubricate the meshing point between the worm and the worm wheel.

[0005] In view of this, the utility model proposes a driving type slewing device with a slewing bearing internal gear. Utility Model Content

[0006] The purpose of the utility model is to provide a driving type rotary device with a rotary bearing internal gear to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A driving type slewing device with a slewing bearing internal gear, comprising:

[0009] A shaft seat box and a seat ring, and a slewing bearing is arranged inside the seat ring, a worm is rotatably arranged inside the shaft seat box and meshes with the worm wheel on the outer annular surface of the slewing bearing, a rotating shaft is rotatably arranged on the inner walls of both sides of the shaft seat box, the worm is arranged in the middle of the two rotating shafts, and a driving motor for driving a rotating shaft to rotate is arranged on the side of the shaft seat box;

[0010] A lubrication assembly, which is used to lubricate the meshing portion between the worm and the worm wheel on the outer ring surface of the slewing bearing, the lubrication assembly comprising a rectangular box fixedly mounted on the lower surface of the axle seat box, the interior of the rectangular box being respectively provided with a lubricating oil liquid chamber and a pressurizing chamber, the inner bottom wall of the lubricating oil liquid chamber being embedded with two lubrication pipes extending to the interior of the axle seat box, the inner top wall of the lubricating oil liquid chamber being embedded with an oil return pipe extending to the inner bottom of the axle seat box, and a sealing piston plate being slidably arranged on the inner wall of the lubricating oil liquid chamber, a reciprocating screw for driving the sealing piston plate to reciprocately moving is rotatably arranged on the inner side wall of the pressurizing chamber, and transmission wheels are fixedly mounted on the surfaces of the reciprocating screw and a rotating shaft, and transmission belts are sleeved on the surfaces of the two transmission wheels.

[0011] As a preferred technical solution, a sliding plate is slidably provided on the inner wall of the pressurizing chamber, and a threaded hole threadedly connected to the outer surface of the reciprocating screw is opened on the side of the sliding plate.

[0012] As a preferred technical solution, two symmetrical push rods are fixedly provided on the side of the sliding plate, and one end of the push rod away from the sliding plate is fixedly connected to the side of the sealing piston plate. The inner wall of the pressurizing chamber is provided with two sliding holes extending into the lubricating oil chamber for the two push rods to slide.

[0013] As a preferred technical solution, a vertical plate is fixedly provided on the inner wall of the axle seat box, and a through hole is opened on the side of the vertical plate which is rotatably connected to the outer surface of the rotating shaft, and a rectangular opening is opened on the inner top wall of the pressurized chamber which extends to the bottom of the axle seat box and corresponds to the transmission belt.

[0014] As a preferred technical solution, a nozzle corresponding to the meshing point of the worm and the worm wheel is provided at the top of the lubrication pipe, a one-way liquid outlet valve is provided on the surface of the lubrication pipe, and a one-way liquid inlet valve is provided on the surface of the oil return pipe.

[0015] As a preferred technical solution, the ends of the two rotating shafts are provided with mounting components that are convenient for installing the worm gear, and the mounting components include a rectangular block fixed to the end of the rotating shaft, and a connecting groove opened on the front of the rectangular block, and both ends of the worm gear are fixed with connecting blocks that are compatible with the connecting groove, and the surfaces of the rectangular block and the connecting block are provided with connecting holes, and the inner wall of the connecting hole is inserted with a locking bolt, and the bottom end surface of the locking bolt is threadedly connected to a locking nut.

[0016] As a preferred technical solution, the outer surface of the axle seat box is provided with a special-shaped opening for facilitating replacement of the worm, and a sealing plate adapted to the special-shaped opening is hingedly connected to the outer surface of the axle seat box.

[0017] Beneficial Effects

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] 1. The utility model sets a lubrication component so that during use, the reciprocating screw can be driven to rotate by the rotation of the driving motor, and the rotating sliding plate of the reciprocating screw moves back and forth, and the lubricating oil inside the lubricating oil liquid chamber is sprayed through the lubrication pipe and the nozzle to the meshing part of the worm and the worm wheel for lubrication, thereby realizing repeated circulation lubrication of the lubricating oil, thereby effectively solving the defect of the prior art that the meshing part of the worm and the worm wheel cannot be automatically lubricated.

[0020] 2. The utility model provides a mounting assembly, so that when the worm is damaged after long-term use, the worm can be removed from the middle of the two rotating shafts, and can be installed quickly, thereby enabling the device to facilitate the replacement of the worm. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0024] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0025] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0026] Figure 5 For this utility model Figure 1 Enlarged structural diagram at B in the middle.

[0027] In the figure:

[0028] 100, axle housing;

[0029] 200, seat ring;

[0030] 300, worm;

[0031] 400, rotating shaft;

[0032] 500, driving motor;

[0033] 600, lubrication assembly; 601, rectangular box; 602, lubricating oil chamber; 603, pressurizing chamber; 604, lubrication pipe; 605, oil return pipe; 606, sealing piston plate; 607, reciprocating screw; 608, transmission wheel; 609, transmission belt; 6010, sliding plate; 6011, ejector rod; 6012, nozzle; 6013, one-way liquid outlet valve; 6014, one-way liquid inlet valve;

[0034] 700, mounting assembly; 701, rectangular block; 702, connecting block; 703, locking bolt; 704, locking nut; 705, sealing plate. DETAILED DESCRIPTION

[0035] 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.

[0036] Embodiment 1

[0037] According to the attached Figure 1-5 As shown, the embodiment of the utility model provides a driving type rotary device with a rotary bearing internal gear, comprising:

[0038] A shaft seat box 100 and a seat ring 200, and a slewing bearing is arranged inside the seat ring 200, a worm 300 meshing with the worm wheel on the outer annular surface of the slewing bearing is rotatably arranged inside the shaft seat box 100, and a rotating shaft 400 is rotatably arranged on the inner walls of both sides of the shaft seat box 100, the worm 300 is arranged in the middle of the two rotating shafts 400, and a driving motor 500 for driving a rotating shaft 400 to rotate is arranged on the side of the shaft seat box 100;

[0039] A lubrication assembly 600 is used to lubricate the meshing portion between the worm 300 and the worm wheel on the outer annular surface of the slewing bearing. The lubrication assembly 600 includes a rectangular box 601 fixedly mounted on the lower surface of the axle seat box 100. A lubrication oil liquid chamber 602 and a pressurizing chamber 603 are provided inside the rectangular box 601. Two lubrication pipes 604 extending to the interior of the axle seat box 100 are embedded in the inner bottom wall of the lubrication oil liquid chamber 602. An oil return pipe 605 extending to the inner bottom of the axle seat box 100 is embedded in the inner top wall of the lubrication oil liquid chamber 602. A nozzle 6012 corresponding to the meshing portion between the worm 300 and the worm wheel is provided at the top end of the lubrication pipe 604. A one-way liquid outlet valve 6013 is provided on the surface of the lubrication pipe 604. A one-way liquid inlet valve 6014 is provided on the surface of the oil return pipe 605.

[0040] A sealing piston plate 606 is slidably provided on the inner wall of the lubricating oil chamber 602, and a reciprocating screw 607 for driving the sealing piston plate 606 to reciprocate is rotatably provided on the inner wall of the pressurizing chamber 603. A transmission wheel 608 is fixedly provided on the surface of the reciprocating screw 607 and a rotating shaft 400, and a transmission belt 609 is sleeved on the surface of the two transmission wheels 608.

[0041] A sliding plate 6010 is slidably disposed on the inner wall of the pressurizing chamber 603 , and a threaded hole threadedly connected to the outer surface of the reciprocating screw 607 is opened on the side of the sliding plate 6010 .

[0042] Two symmetrical push rods 6011 are fixedly provided on the side of the sliding plate 6010, and one end of the push rod 6011 away from the sliding plate 6010 is fixedly connected to the side of the sealing piston plate 606, and the inner wall of the pressurizing chamber 603 is provided with two sliding holes extending into the interior of the lubricating oil chamber 602 for the two push rods 6011 to slide.

[0043] A vertical plate is fixedly provided on the inner wall of the axle seat box 100, and a through hole is opened on the side of the vertical plate for rotationally connecting to the outer surface of a rotating shaft 400. The inner top wall of the pressurizing chamber 603 is opened with a rectangular opening extending to the inner bottom of the axle seat box 100 and corresponding to the transmission belt 609.

[0044] In this embodiment, by providing a lubrication component 600, the device can drive the worm 300 to rotate by the rotation of the driving motor 500 during use, thereby driving the slewing bearing to rotate and realize slewing rotation. At the same time, during the rotation of the rotating shaft 400, the reciprocating screw 607 can be driven to rotate under the action of the two transmission wheels 608 and the transmission belt 609. The rotation of the reciprocating screw 607 drives the sliding plate 6010 to move back and forth. The back and forth movement of the sliding plate 6010 drives the sealing piston plate 606 to move back and forth on the inner wall of the lubricating oil liquid chamber 602 through the push rod 6011. When the sealing piston plate 606 moves to the right, it can The interior of the lubricating oil liquid chamber 602 is pressurized, so that the lubricating oil in the lubricating oil liquid chamber 602 is sprayed through the lubricating pipe 604 and the nozzle 6012 to the meshing point of the worm 300 and the worm wheel for lubrication. When the sealing piston plate 606 moves to the left, the lubricating oil in the axle seat box 100 can be re-sucked into the lubricating oil liquid chamber 602 through the oil return pipe 605, so as to achieve repeated circulation lubrication of the lubricating oil, so that the device can achieve the purpose of uninterrupted lubrication of the meshing point of the worm 300 and the worm wheel, thereby effectively solving the defect of the prior art that the meshing point of the worm 300 and the worm wheel cannot be automatically lubricated.

[0045] Embodiment 2

[0046] Based on Example 1, refer to Figure 5 , and different from the first embodiment,

[0047] The ends of the two rotating shafts 400 are provided with mounting components 700 for facilitating the installation of the worm 300. The mounting components 700 include a rectangular block 701 fixed to the end of the rotating shaft 400, and a connecting groove opened on the front of the rectangular block 701. Both ends of the worm 300 are fixed with connecting blocks 702 adapted to the connecting grooves. The surfaces of the rectangular block 701 and the connecting block 702 are provided with connecting holes. The inner wall of the connecting hole is inserted with a locking bolt 703, and the bottom end surface of the locking bolt 703 is threadedly connected to a locking nut 704.

[0048] The outer surface of the shaft housing 100 is provided with a special-shaped opening for facilitating replacement of the worm 300 , and a sealing plate 705 matching the special-shaped opening is hingedly connected to the outer surface of the shaft housing 100 .

[0049] In this embodiment, by providing the installation assembly 700, when the worm 300 is damaged after long-term use, the sealing plate 705 can be opened, and after the two locking nuts 704 are screwed to disassemble it, the locking bolt 703 is removed, and the worm 300 can be removed from the middle of the two rotating shafts 400. At the same time, during installation, the worm 300 is inserted into the connecting grooves of the two rectangular blocks 701 through the two connecting blocks 702, and the locking bolt 703 and the locking nut 704 are installed, so that quick installation can be achieved, thereby enabling the device to achieve the purpose of facilitating the replacement of the worm 300.

[0050] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A driven slewing device with a slewing bearing internal gear, characterized in that: include, A shaft seat box (100) and a seat ring (200), wherein a slewing bearing is arranged inside the seat ring (200), a worm (300) is rotatably arranged inside the shaft seat box (100) and meshes with a worm wheel on an outer annular surface of the slewing bearing, a rotating shaft (400) is rotatably arranged on both inner walls of the shaft seat box (100), the worm (300) is arranged in the middle of the two rotating shafts (400), and a driving motor (500) for driving a rotating shaft (400) to rotate is arranged on the side of the shaft seat box (100); A lubrication assembly (600) is used to lubricate the meshing portion between the worm (300) and the worm wheel on the outer annular surface of the slewing bearing, the lubrication assembly (600) comprising a rectangular box (601) fixedly mounted on the lower surface of the shaft seat box (100), the interior of the rectangular box (601) being provided with a lubricating oil chamber (602) and a pressurizing chamber (603), the inner bottom wall of the lubricating oil chamber (602) being provided with two lubricating pipes (604) extending into the interior of the shaft seat box (100), the inner bottom wall of the lubricating oil chamber (602) being provided with a lubricating oil chamber (604) extending into the interior of the shaft seat box (100), and the inner bottom wall of the lubricating oil chamber (602) being provided with a lubricating oil chamber (604) extending into the interior of the shaft seat box (100). The top wall is embedded with an oil return pipe (605) extending to the bottom of the shaft seat box (100), and the inner wall of the lubricating oil chamber (602) is slidably provided with a sealing piston plate (606), and the inner side wall of the pressurizing chamber (603) is rotatably provided with a reciprocating screw (607) for driving the sealing piston plate (606) to reciprocate, and the surfaces of the reciprocating screw (607) and a rotating shaft (400) are fixed with transmission wheels (608), and the surfaces of the two transmission wheels (608) are sleeved with transmission belts (609).

2. A driven slewing device with a slewing bearing internal gear according to claim 1, characterized in that: A sliding plate (6010) is slidably disposed on the inner wall of the pressurizing chamber (603), and a threaded hole threadedly connected to the outer surface of the reciprocating screw (607) is provided on the side of the sliding plate (6010).

3. A driven slewing device with a slewing bearing internal gear according to claim 2, characterized in that: Two symmetrical push rods (6011) are fixedly provided on the side of the sliding plate (6010), and one end of the push rod (6011) away from the sliding plate (6010) is fixedly connected to the side of the sealing piston plate (606), and the inner wall of the pressurizing chamber (603) is provided with two sliding holes extending into the interior of the lubricating oil chamber (602) for the two push rods (6011) to slide.

4. A driven slewing device with a slewing bearing internal gear according to claim 1, characterized in that: The inner wall of the axle seat box (100) is fixed with a vertical plate, and the side of the vertical plate is provided with a through hole rotatably connected to the outer surface of one of the rotating shafts (400), and the inner top wall of the pressurizing chamber (603) is provided with a rectangular opening extending to the inner bottom of the axle seat box (100) and corresponding to the transmission belt (609).

5. A driven slewing device with a slewing bearing internal gear according to claim 1, characterized in that: The top end of the lubrication pipe (604) is provided with a nozzle (6012) corresponding to the meshing position of the worm (300) and the worm wheel, and the surface of the lubrication pipe (604) is provided with a one-way liquid outlet valve (6013), and the surface of the oil return pipe (605) is provided with a one-way liquid inlet valve (6014).

6. A driven slewing device with a slewing bearing internal gear according to claim 1, characterized in that: The ends of the two rotating shafts (400) are provided with mounting components (700) for facilitating the mounting of the worm gear (300). The mounting components (700) include a rectangular block (701) fixedly mounted on the ends of the rotating shafts (400), and a connecting groove provided on the front of the rectangular block (701). Both ends of the worm gear (300) are fixedly provided with connecting blocks (702) adapted to the connecting groove. The surfaces of the rectangular block (701) and the connecting block (702) are provided with connecting holes. The inner wall of the connecting hole is plugged with a locking bolt (703), and the bottom end surface of the locking bolt (703) is threadedly connected to a locking nut (704).

7. A driven slewing device with a slewing bearing internal gear according to claim 1, characterized in that: The outer surface of the shaft seat box (100) is provided with a special-shaped opening for facilitating replacement of the worm (300), and the outer surface of the shaft seat box (100) is hinged with a sealing plate (705) adapted to the special-shaped opening.

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