Self-lubricating slewing bearing device for engineering machinery

Abstract

The utility model discloses a self-lubricating engineering machinery slewing bearing device, which relates to the technical field of slewing bearing devices and comprises an inner ring, an outer ring and an oil storage box, the oil storage box is fixedly arranged on the inner wall of the inner ring, the outer ring is rotatably sleeved on the outer side of the inner ring, a cover plate is arranged at the top of the oil storage box, and an oil outlet pipe fixedly penetrates through the top of the cover plate. An oil storage bin is arranged in the oil storage box, an oil outlet block is fixedly arranged on the inner side wall of the oil storage bin, the oil outlet pipe is communicated with the top of the oil outlet block, the oil outlet block is hollow, and an oil suction delivery mechanism is arranged at the lower end of the outer wall of the oil outlet block and used for conveying lubricating oil. In the running process of the slewing bearing device, lubricating oil in the oil storage box can be automatically fed into a running matching area, the device can be continuously lubricated, manual operation is reduced, and the lubricating effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to slewing ring device technical field, concretely relates to a kind of automatic lubrication's engineering machinery slewing ring device. BACKGROUND

[0002] Engineering machinery slewing ring device is a kind of for connecting the slewing part and fixed part of engineering machinery, so that slewing part can be relatively fixed part smoothly, accurately slewing movement Mechanical component, it is usually composed of inner ring, outer ring, rolling body and retainer etc., can bear axial force, radial force and overturning moment, and existing slewing support device is in operation, to ensure the stable operation of device, usually effective lubrication is carried out to the internal rotating contact part of device, and the traditional lubrication mode is by artificial use oil gun or oil cup, lubricating grease is injected into the lubrication point of slewing ring, but artificial lubrication mode has certain limitation:

[0003] First, lubrication efficiency is low, and operator needs to be around the rotating area of device Comprehensive lubrication, more cumbersome;

[0004] Second, it needs to be lubricated by multiple shutdown operations, and cannot be automatically lubricated. UTILITY MODEL CONTENT

[0005] In view of the above problems existing in the prior art automatic lubrication's engineering machinery slewing ring device, the utility model is proposed.

[0006] Therefore, the utility model aims at providing an automatic lubrication's engineering machinery slewing ring device, to solve the problem of low efficiency of manual lubrication in the internal lubrication of existing slewing ring device.

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

[0008] An automatic lubrication's engineering machinery slewing ring device, comprising inner ring, outer ring and oil storage box, the oil storage box is fixedly arranged on the inner wall of the inner ring, the outer ring is rotatably arranged on the outer side of the inner ring, the top of the oil storage box is provided with a cover plate, an oil outlet pipe is fixedly arranged on the top of the cover plate, and a oil distribution pipe is in communication with the pipe wall of the oil outlet pipe.

[0009] The inside of the oil storage box is provided with an oil storage compartment, the inner side wall of the oil storage compartment is fixedly provided with an oil outlet block, the top of the oil outlet block is in communication with the oil outlet pipe, the oil outlet block is hollow, the outer wall of the oil outlet block is provided with an oil suction and delivery mechanism at the lower end, and the oil suction and delivery mechanism is used to deliver lubricating oil.

[0010] Preferably, the oil suction and delivery mechanism comprises an oil suction cylinder fixedly arranged at the lower end of the outer wall of the oil outlet block, a sealing oil plug slidably arranged in the oil suction cylinder, and an oil suction pipe and an oil delivery pipe communicated with the outer wall of the oil suction cylinder, wherein the oil delivery pipe is inserted into the oil outlet block, and the oil suction pipe and the oil delivery pipe are both fixedly sleeved with an oil one-way valve.

[0011] Preferably, the inner side wall of the oil storage bin is rotationally arranged with a reciprocating screw, and the rod wall of the reciprocating screw is threadedly sleeved with a connecting plate, and the bottom of the connecting plate is fixedly connected with the sealing oil plug.

[0012] Preferably, the outer wall of the oil outlet block is fixedly arranged with a horizontal plate at the upper end, the horizontal plate is rotationally arranged with a vertical rod at the inner portion, the vertical rod and the reciprocating screw are respectively fixedly sleeved with a first bevel gear and a second bevel gear at the proximal end, the first bevel gear and the second bevel gear are arranged in cooperation, the upper end of the vertical rod is fixedly sleeved with a driving wheel, and the side portion of the driving wheel penetrates through the oil storage box and extends to the outside.

[0013] Further, the side portion of the oil storage box is arranged with a rotating hole matched with the rotation of the driving wheel, and the driving wheel is in contact with the inner wall of the outer ring.

[0014] Preferably, a plurality of connecting bolts are threadedly arranged between the cover plate and the top of the oil storage box.

[0015] In the above technical solution, the technical effects and advantages of the present application are provided.

[0016] The present application is provided with an inner ring, an outer ring, an oil storage box, an oil outlet pipe, an oil distribution pipe, an oil outlet block and an oil suction and delivery mechanism, which can automatically deliver the lubricating oil in the oil storage box to the rotating cooperation area during the operation of the slewing bearing device, continuously lubricate the device, reduce manual operation and improve the lubricating effect.

[0017] The present application is provided with an oil suction and delivery mechanism, a reciprocating screw, a horizontal plate, a vertical rod, a driving wheel, a first bevel gear and a second bevel gear, which cooperate the driving wheel with the outer ring, rotate the driving wheel through the rotation of the outer ring, drive the oil suction and delivery mechanism to operate, reduce the external energy supply and improve the multifunctionality of the slewing bearing device. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0020] Figure 2 the sectional view of the oil storage box of the utility model;

[0021] Figure 3 the utility model Figure 2 the side structure schematic view of the utility model;

[0022] Figure 4 the utility model Figure 3 the A part enlarged schematic view of the utility model.

[0023] Mark explanation:

[0024] 1, inner ring, 2, outer ring, 3, oil storage box, 4, cover plate, 5, oil outlet pipe, 6, oil distribution pipe, 7, oil storage warehouse, 8, oil outlet block, 9, oil suction cylinder, 10, sealing oil plug, 11, oil suction pipe, 12, oil delivery pipe, 13, oil one-way valve, 14, reciprocating screw, 15, connecting plate, 16, cross plate, 17, vertical rod, 18, first bevel gear, 19, second bevel gear, 20, drive wheel, 21, rotating hole, 22, connecting bolt. Specific implementation

[0025] In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0026] The utility model embodiment discloses an automatic lubrication's engineering machinery slewing ring bearing device.

[0027] The utility model provides a kind of automatic lubrication's engineering machinery slewing ring bearing device as Figures 1-4 It is characterized in that, oil storage box 3 is fixedly arranged on the inner wall of inner ring 1, outer ring 2 is rotatably sleeved on the outer side of inner ring 1, the top of oil storage box 3 is provided with cover plate 4, a plurality of connecting bolts 22 are threadedly arranged between the top of cover plate 4 and oil storage box 3, oil outlet pipe 5 is fixedly penetrated on the top of cover plate 4, and oil distribution pipe 6 is communicated on the pipe wall of oil outlet pipe 5.

[0028] The inside of oil storage box 3 is provided with oil storage warehouse 7, and oil outlet block 8 is fixedly arranged on the inner side wall of oil storage warehouse 7, oil outlet pipe 5 is communicated with the top of oil outlet block 8, and oil outlet block 8 is hollow.

[0029] In order to enable the lubricating oil in oil storage box 3 to enter the rotating area of slewing ring bearing device stably, as Figures 2-4As shown, the lower end of the outer wall of the oil outlet block 8 is provided with an oil suction and delivery mechanism, the oil suction and delivery mechanism is used for conveying lubricating oil, the oil suction and delivery mechanism comprises an oil suction cylinder 9, the oil suction cylinder 9 is fixedly arranged at the lower end of the outer wall of the oil outlet block 8, a sealing oil plug 10 is slidably arranged in the oil suction cylinder 9, the outer wall of the oil suction cylinder 9 is communicated with an oil suction pipe 11 and an oil delivery pipe 12, the oil delivery pipe 12 is inserted into the oil outlet block 8, and the pipe walls of the oil suction pipe 11 and the oil delivery pipe 12 are both fixedly sleeved with an oil one-way valve 13;

[0030] The inner side wall of the oil storage bin 7 is rotationally provided with a reciprocating screw 14, the rod wall of the reciprocating screw 14 is threadedly sleeved with a connecting plate 15, the bottom of the connecting plate 15 is fixedly connected with the sealing oil plug 10, the upper end of the outer wall of the oil outlet block 8 is fixedly provided with a horizontal plate 16, the inside of the horizontal plate 16 is rotationally provided with a vertical rod 17, the proximal ends of the vertical rod 17 and the reciprocating screw 14 are respectively fixedly sleeved with a first bevel gear 18 and a second bevel gear 19, the first bevel gear 18 and the second bevel gear 19 are cooperatively arranged, the upper end of the vertical rod 17 is fixedly sleeved with a driving wheel 20, the side of the driving wheel 20 extends out of the oil storage box 3 and extends to the outside, the side of the oil storage box 3 is provided with a rotating hole 21 which is matched with the rotation of the driving wheel 20, and the driving wheel 20 is in contact with the inner wall of the outer ring 2.

[0031] Working principle:

[0032] Before the slewing bearing device is used, the cover plate 4 is separated from the oil storage box 3 through the connecting bolt 22, and lubricating oil is added into the oil storage box 3, then the oil storage box 3 and the cover plate 4 are connected and sealed, and when the slewing bearing device is running, the outer ring 2 rotates around the inner ring 1, at this time, the outer ring 2 pushes the driving wheel 20 in the process of contacting the driving wheel 20, so that the driving wheel 20 drives the vertical rod 17 to rotate in the rotating hole 21, at this time, the reciprocating screw 14 is driven to rotate through the cooperation of the first bevel gear 18 and the second bevel gear 19, when the reciprocating screw 14 moves right, the sealing oil plug 10 moves right in the oil suction cylinder 9, and the oil suction pipe 11 sucks the lubricating oil in the oil storage box 3 into the oil suction cylinder 9 through the action of air pressure, and when the sealing oil plug 10 moves left, the oil liquid is delivered into the oil outlet block 8 through the oil delivery pipe 12, and as the oil liquid in the oil outlet block 8 increases, the lubricating oil gradually enters the oil outlet pipe 5, so that the lubricating oil can be automatically and continuously added to the rotating cooperation area during the running of the slewing bearing device under the cooperation of the oil outlet pipe 5 and the oil distribution pipe 6, so as to ensure that the device can stably run.

[0033] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above description and drawings are illustrative in nature, and should not be construed as limiting the scope of protection of the claims of the present application.

Claims

1. An automatically lubricated slewing bearing device for engineering machinery, comprising an inner ring (1), an outer ring (2), and an oil reservoir (3), characterized in that, The oil storage box (3) is fixedly installed on the inner wall of the inner ring (1), and the outer ring (2) is rotatably sleeved on the outer side of the inner ring (1). The top of the oil storage box (3) is provided with a cover plate (4), and an oil outlet pipe (5) is fixedly installed on the top of the cover plate (4). The pipe wall of the oil outlet pipe (5) is connected to an oil distribution pipe (6). The oil storage box (3) is provided with an oil storage chamber (7) inside. An oil outlet block (8) is fixedly provided on the inner side wall of the oil storage chamber (7). The oil outlet pipe (5) is connected to the top of the oil outlet block (8). The oil outlet block (8) is hollow. An oil suction and delivery mechanism is provided at the lower end of the outer wall of the oil outlet block (8). The oil suction and delivery mechanism is used to transport lubricating oil.

2. The automatically lubricated slewing bearing device for engineering machinery according to claim 1, characterized in that, The oil suction and delivery mechanism includes an oil suction cylinder (9), which is fixedly installed at the lower end of the outer wall of the oil outlet block (8). A sealing oil plug (10) is slidably installed inside the oil suction cylinder (9). An oil suction pipe (11) and an oil delivery pipe (12) are connected to the outer wall of the oil suction cylinder (9). The opening of the oil delivery pipe (12) is inserted into the oil outlet block (8). An oil one-way valve (13) is fixedly sleeved on the pipe walls of both the oil suction pipe (11) and the oil delivery pipe (12).

3. The automatically lubricated slewing bearing device for engineering machinery according to claim 1, characterized in that, The inner wall of the oil storage tank (7) is provided with a reciprocating screw (14), and the rod wall of the reciprocating screw (14) is threaded with a connecting plate (15). The bottom of the connecting plate (15) is fixedly connected to the sealing oil plug (10).

4. The automatically lubricated slewing bearing device for engineering machinery according to claim 1, characterized in that, A horizontal plate (16) is fixedly provided on the upper end of the outer wall of the oil outlet block (8). A vertical rod (17) is rotatably passed through the interior of the horizontal plate (16). A first bevel gear (18) and a second bevel gear (19) are respectively fixedly sleeved on the upper end of the vertical rod (17) and the reciprocating screw (14). The first bevel gear (18) and the second bevel gear (19) are configured to cooperate. A drive wheel (20) is fixedly sleeved on the upper end of the vertical rod (17). The side of the drive wheel (20) passes through the oil storage box (3) and extends to the outside.

5. The automatically lubricated slewing bearing device for engineering machinery according to claim 1, characterized in that, The oil storage box (3) has a rotating hole (21) on its side for rotating the drive wheel (20), and the drive wheel (20) is in contact with the inner wall of the outer ring (2).

6. The automatically lubricated slewing bearing device for engineering machinery according to claim 1, characterized in that, Multiple connecting bolts (22) are threaded between the top of the cover plate (4) and the oil storage box (3).

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