CN217234340U - Anti-rust gear of reduction box for crane - Google Patents

Abstract

The utility model belongs to the technical field of gears, in particular to an anti-rust gear of a reduction gearbox for a crane, which comprises a lower reduction gearbox, an upper reduction gearbox, a gear body, an auxiliary gear and an anti-rust mechanism; the upper reduction gearbox is arranged at the top of the lower reduction gearbox; the gear body is rotatably connected inside the lower reduction gearbox; the auxiliary gear is rotationally connected inside the lower reduction box; the gear body is meshed with the auxiliary gear; the rust-proof mechanism is arranged on the inner wall of the bottom of the upper reduction gearbox and is positioned above the space between the gear body and the auxiliary gear; the rust-proof mechanism comprises a lubricating oil tank, a supporting rod, a guide rod, a spring, an oil guide groove and bristles; the lubricating oil tank is fixedly connected to the inner wall of the bottom of the upper reduction gearbox; two ends of the support rod are fixedly connected to the inner wall of the lubricating oil tank respectively; the guide rod penetrates through the support rod and the inner wall of the bottom of the lubricating oil tank in a sliding mode; through setting up rust-resistant mechanism, gear body and pinion oil for the operation in-process, and then realize rust-resistant effect, help improving rust-resistant effect.

Description

Anti-rust gear of reduction box for crane

Technical Field

The utility model belongs to the technical field of the gear, specific rust-resistant gear of reducing gear box for hoist that says so.

Background

The reduction gearbox is widely applied to the crane, and gears inside the reduction gearbox are matched with each other, so that the reduction gearbox plays a role in reducing speed and is beneficial to improving the stability of the crane in the using process.

Because the reduction gearbox is not a fully-closed space, when the reduction gearbox works in an environment with high humidity, the gear inside the reduction gearbox is easy to rust, and the service life of the gear is further reduced.

When the gear is used inside the reduction gearbox in the prior art, due to the lack of oiling lubrication of an antirust mechanism, the gear cannot be lubricated well in the long-term operation process in the environment with high humidity, and then the gear is easily rusted, so that the normal operation of the gear is not facilitated, and the working efficiency of the gear is reduced.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, when solving the gear and using inside the reducing gear box, owing to lack rust-resistant mechanism's the lubrication that oils for its long-term operation in-process under the environment that humidity is big, can not obtain better lubrication, and then lead to the gear the condition of corrosion to appear easily, thereby be unfavorable for the gear normal operation, reduced the problem of the work efficiency of gear, the utility model provides a rust-resistant gear of reducing gear box for hoist.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a rust-proof gear of a reduction box for a crane, which comprises a lower reduction box, an upper reduction box, a gear body, an auxiliary gear and a rust-proof mechanism; the upper reduction gearbox is arranged at the top of the lower reduction gearbox; the gear body is rotationally connected inside the lower reduction gearbox; the auxiliary gear is rotationally connected inside the lower reduction box; the gear body is meshed with the auxiliary gear; the rust-proof mechanism is arranged on the inner wall of the bottom of the upper reduction gearbox and is positioned above the space between the gear body and the auxiliary gear; the rust-proof mechanism comprises a lubricating oil tank, a supporting rod, a guide rod, a spring, an oil guide groove and bristles; the lubricating oil tank is fixedly connected to the inner wall of the bottom of the upper reduction gearbox; two ends of the support rod are fixedly connected to the inner wall of the lubricating oil tank respectively; the guide rod penetrates through the support rod and the inner wall of the bottom of the lubricating oil tank in a sliding mode; a round block is fixedly connected to the top of the guide rod; the spring is sleeved on the outer wall of the top end of the guide rod; one end of the spring is fixedly connected to the top of the supporting rod, and the other end of the spring is fixedly connected to the bottom of the round block; the oil guide grooves are symmetrically arranged on two sides of the inner wall of the guide rod; the bristles are fixedly connected to the outer wall of the bottom end of the guide rod and are in contact with the top of the pinion; through setting up rust-resistant mechanism, gear body and pinion oil for the operation in-process, and then realize rust-resistant effect, help improving rust-resistant effect.

Preferably, the oil guide groove is positioned on the inner wall of the bottom of the lubricating oil tank; the bottom of the guide rod is contacted with the top of the pinion; the efficiency of oiling helps improving.

Preferably, an oil filling hole is formed in the position, above the lubricating oil tank, of the inner wall of the upper reduction gearbox; the oil filling hole is communicated with the inside of the lubricating oil tank; and the oil filling hole is utilized to conveniently and timely supplement oil for the interior of the lubricating oil tank.

Preferably, a sealing mechanism is arranged at the connecting position of the inner walls of the upper reduction gearbox and the lower reduction gearbox; the sealing mechanism comprises a square block, a fixing ring buckle, a rubber block, an extrusion rod, a push plate and an air bag; the square block is fixedly connected with the inner wall of the upper reduction gearbox; the fixed ring buckle is fixedly connected with the inner wall of the lower reduction gearbox; the top of the rubber block is fixedly connected to the bottom of the square block; the bottom end of the rubber block is inserted into the fixed ring buckle; a sliding groove is formed in the inner wall of the fixed ring buckle and is positioned on one side of the rubber block; the extrusion rod is connected inside the sliding groove in a sliding manner; the push plate is fixedly connected to the end part of the extrusion rod; the side wall of the push plate is in contact with the outer wall of the rubber block; the air bag is arranged inside the sliding groove; one end of the air bag is fixedly connected to the bottom of the extrusion rod, and the other end of the air bag is fixedly connected to the side wall of the sliding chute; by arranging the sealing mechanism, the sealing effect of the joint between the upper reduction gearbox and the lower reduction gearbox is improved.

Preferably, the bottom of the guide rod is arc-shaped, so that the guide rod is in contact with the surface of the pinion conveniently.

Preferably, the length of the inner diameter of the oil guide groove is greater than the thickness of the inner wall of the bottom of the lubricating oil tank; the efficiency of the lubricating oil downflow is improved.

The utility model has the advantages as follows:

1. the utility model has the advantages that the anti-rust mechanism is arranged, when the gear body rotates, the pinion can rotate along with the gear body, when the top of the pinion is contacted with the guide rod, the guide rod slides upwards on the inner wall of the bottom of the lubricating oil tank and the inner wall of the supporting rod due to extrusion, and simultaneously, the round block extension spring is matched, at the moment, the inside of the top end of the oil guide groove is communicated with the inside of the lubricating oil tank, so that the lubricating oil in the lubricating oil tank flows downwards through the oil guide groove and flows downwards along the outer wall of the guide rod, and then the lubricating oil is soaked into the inside of the brush hair, because the bottom of the brush hair is contacted with the top of the pinion, the brush hair can brush the lubricating oil on the surface of the pinion, and along with the rotation of the pinion, the lubricating oil brush is more uniform, thereby the anti-rust effect is achieved, because the pinion has a plurality of teeth, in the interval between the two teeth, because the guide rod is not extruded, under the action of spring return, so that the guide rod resets and the oil guide groove is blocked, which is helpful for saving oil.

2. The utility model discloses a set up sealing mechanism, install the reducing gear box top under with last reducing gear box, make the rubber block of square bottom rigid coupling paste down reducing gear box and go up the reducing gear box inner wall insert fixed ring buckle inside, when rubber block lateral wall and push pedal outer wall contact, because the extrusion effect, make the push pedal pass through the ejector beam and slide in the spout is inside, extrude the gasbag simultaneously, treat the back that the rubber block installed in place, under the gasbag answer effect, make the ejector beam take the push pedal to reset, and firmly fix the rubber block, and then help improving the sealed effect of reducing gear box and last reducing gear box junction down, avoid inside the aqueous vapor to enter into lower reducing gear box, improve the rust-resistant effect of gear body and pinion.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a perspective view of a main structure of the first embodiment;

FIG. 2 is a front cross-sectional view of the present embodiment;

FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present embodiment;

FIG. 4 is an enlarged view of the structure B in FIG. 2 according to the present embodiment;

fig. 5 is a perspective view of the supporting leg of the second embodiment.

In the figure: 1. a lower reduction gearbox; 11. a chute; 2. an upper reduction gearbox; 3. a gear body; 31. a pinion gear; 41. a lubricating oil tank; 42. a support bar; 43. a guide bar; 44. a spring; 45. an oil guide groove; 46. brushing; 5. an oil filler hole; 61. a square block; 62. fixing a ring buckle; 63. a rubber block; 64. an extrusion stem; 65. pushing the plate; 66. an air bag; 7. the legs are supported.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 4, the anti-rust gear of the reduction gearbox for the crane of the utility model comprises a lower reduction gearbox 1, an upper reduction gearbox 2, a gear body 3, an auxiliary gear 31 and an anti-rust mechanism; the upper reduction gearbox 2 is arranged at the top of the lower reduction gearbox 1; the gear body 3 is rotatably connected inside the lower reduction gearbox 1; the pinion 31 is rotatably connected inside the lower reduction gearbox 1; the gear body 3 is meshed with the pinion 31; the rust-proof mechanism is arranged on the inner wall of the bottom of the upper reduction gearbox 2 and is positioned above the space between the gear body 3 and the pinion 31; the rust-proof mechanism comprises a lubricating oil tank 41, a support rod 42, a guide rod 43, a spring 44, an oil guide groove 45 and bristles 46; the lubricating oil tank 41 is fixedly connected with the inner wall of the bottom of the upper reduction gearbox 2; two ends of the support rod 42 are fixedly connected to the inner wall of the lubricating oil tank 41 respectively; the guide rod 43 penetrates through the support rod 42 and the inner wall of the bottom of the lubricating oil tank 41 in a sliding mode; the top of the guide rod 43 is fixedly connected with a round block; the spring 44 is sleeved on the outer wall of the top end of the guide rod 43; one end of the spring 44 is fixedly connected to the top of the support rod 42, and the other end is fixedly connected to the bottom of the round block; the oil guide grooves 45 are symmetrically arranged on two sides of the inner wall of the guide rod 43; the bristles 46 are fixedly connected to the outer wall of the bottom end of the guide rod 43 and are in contact with the top of the pinion 31; the oil guide groove 45 is positioned on the inner wall of the bottom of the lubricating oil tank 41; the bottom of the guide rod 43 is contacted with the top of the pinion 31; an oil filling hole 5 is formed in the position, above the lubricating oil tank 41, of the inner wall of the upper reduction gearbox 2; the oil filling hole 5 is communicated with the interior of the lubricating oil tank 41; during operation, when the gear body 3 rotates, the pinion 31 rotates along with the gear body 3, and when the top of the pinion 31 contacts the guide rod 43, the guide rod 43 slides upwards on the inner wall of the bottom of the lubricating oil tank 41 and the inner wall of the support rod 42 due to extrusion, and the round block extension spring 44 is matched, at this time, the inside of the top end of the oil guide groove 45 is communicated with the inside of the lubricating oil tank 41, so that the lubricating oil in the lubricating oil tank 41 flows downwards through the oil guide groove 45 and flows downwards along the outer wall of the guide rod 43, and then is immersed into the inside of the brush bristles 46, and as the bottom of the brush bristles 46 contacts with the top of the pinion 31, the brush bristles 46 can brush the lubricating oil on the surface of the pinion 31, and along with the rotation of the pinion 31, the brush is more uniform, so as to achieve the anti-rust effect, and as the pinion 31 has a plurality of teeth, in the interval between the two teeth, because the guide rod 43 is not extruded, under spring 44 reverts the effect for guide arm 43 resets to make and lead oil groove 45 by the shutoff, help playing the square purpose of economizing on fuel, through setting up oil filler point 5, be convenient for in time for the inside fluid reservoir 41 of lubricating oil.

A sealing mechanism is arranged at the connecting position of the inner walls of the upper reduction gearbox 2 and the lower reduction gearbox 1; the sealing mechanism comprises a square block 61, a fixing ring buckle 62, a rubber block 63, an extrusion rod 64, a push plate 65 and an air bag 66; the square block 61 is fixedly connected with the inner wall of the upper reduction gearbox 2; the fixed ring buckle 62 is fixedly connected with the inner wall of the lower reduction gearbox 1; the top of the rubber block 63 is fixedly connected to the bottom of the square 61; the bottom end of the rubber block 63 is inserted into the fixed ring buckle 62; a chute 11 is arranged on one side of the inner wall of the fixed ring buckle 62, which is positioned on the rubber block 63; the extrusion rod 64 is connected inside the sliding chute 11 in a sliding manner; the push plate 65 is fixedly connected with the end part of the extrusion rod 64; the side wall of the push plate 65 is contacted with the outer wall of the rubber block 63; the air bag 66 is arranged inside the chute 11; one end of the air bag 66 is fixedly connected to the bottom of the extrusion rod 64, and the other end of the air bag is fixedly connected to the side wall of the sliding chute 11; during operation, when installing upper reduction box 2 at lower reduction box 1 top, make the rubber block 63 of square 61 bottom rigid coupling insert inside fixed ring buckle 62 along lower reduction box 1 and upper reduction box 2 inner wall, when rubber block 63 lateral wall and push pedal 65 outer wall contact, because the extrusion effect, make push pedal 65 pass through the extrusion pole 64 and slide in spout 11 is inside, extrude gasbag 66 simultaneously, treat that rubber block 63 installs the back in place, under the gasbag 66 answer effect, make extrusion pole 64 take push pedal 65 to reset, and firmly fix rubber block 63, and then help improving the sealed effect of lower reduction box 1 and upper reduction box 2 junction, avoid inside water vapor enters into lower reduction box 1, improve gear body 3 and pinion 31's antirust effect.

The bottom of the guide rod 43 is arc-shaped; the length of the inner diameter of the oil guide groove 45 is greater than the thickness of the inner wall of the bottom of the lubricating oil tank 41; when the oil-saving device works, the guide rod 43 with the arc-shaped bottom is used, so that the guide rod 43 is conveniently contacted with the top of the pinion 31, and the oil-saving effect is improved by using the oil guide groove 45.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, supporting legs 7 are symmetrically and fixedly connected to the bottom of the lower reduction gearbox 1; during operation, the supporting legs 7 are arranged, so that the lower reduction gearbox 1 can be conveniently installed and fixed, and the stability of the device during operation is improved.

The working principle is as follows: when the device is used, when the gear body 3 rotates, the pinion 31 rotates along with the gear body 3, when the top of the pinion 31 is contacted with the guide rod 43, the guide rod 43 slides upwards on the inner wall of the bottom of the lubricating oil tank 41 and the inner wall of the supporting rod 42 due to extrusion, and is matched with the round block tension spring 44, at the same time, the inside of the top end of the oil guide groove 45 is communicated with the inside of the lubricating oil tank 41, so that the lubricating oil in the lubricating oil tank 41 flows downwards through the oil guide groove 45 and flows downwards along the outer wall of the guide rod 43, and then is immersed into the inside of the brush bristles 46, because the bottom of the brush bristles 46 is contacted with the top of the pinion 31, the brush bristles 46 can brush the lubricating oil on the surface of the pinion 31, and along with the rotation of the pinion 31, the lubricating oil brush is more uniform, so that the anti-rust effect is achieved, and because the pinion 31 has a plurality of teeth, in the interval between the two teeth, because the guide rod 43 is not extruded, under the action of the return of the spring 44, the guide rod 43 is reset, and the oil guide groove 45 is blocked, which is beneficial to the purpose of saving oil, when the upper reduction gearbox 2 is arranged at the top of the lower reduction gearbox 1, so that the rubber block 63 fixedly connected with the bottom of the square 61 is inserted into the fixed ring buckle 62 along the inner walls of the lower reduction gearbox 1 and the upper reduction gearbox 2, when the side wall of the rubber block 63 is contacted with the outer wall of the push plate 65, due to the extrusion action, the push plate 65 slides in the chute 11 through the extrusion rod 64, and simultaneously extrudes the air bag 66, after the rubber block 63 is installed in place, under the restoring action of the air bag 66, the extrusion rod 64 carries the push plate 65 to reset, and the rubber block 63 is firmly fixed, and then help improving the sealed effect of lower reducing gear box 1 and upper reduction gear box 2 junction, avoid inside vapor enters lower reducing gear box 1, improve the rust-resistant effect of gear body 3 and pinion 31.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims (6)

1. A rust-resistant gear of reducing gear box for hoist which characterized in that: comprises a lower reduction gearbox (1), an upper reduction gearbox (2), a gear body (3), an auxiliary gear (31) and an anti-rust mechanism; the upper reduction gearbox (2) is arranged at the top of the lower reduction gearbox (1); the gear body (3) is rotatably connected inside the lower reduction gearbox (1); the pinion (31) is rotatably connected inside the lower reduction gearbox (1); the gear body (3) is meshed with the pinion (31); the rust-proof mechanism is arranged on the inner wall of the bottom of the upper reduction gearbox (2) and is positioned above the gear body (3) and the auxiliary gear (31);

the rust-proof mechanism comprises a lubricating oil tank (41), a supporting rod (42), a guide rod (43), a spring (44), an oil guide groove (45) and bristles (46); the lubricating oil tank (41) is fixedly connected to the inner wall of the bottom of the upper reduction gearbox (2); two ends of the support rod (42) are fixedly connected to the inner wall of the lubricating oil tank (41) respectively; the guide rod (43) penetrates through the support rod (42) and the inner wall of the bottom of the lubricating oil tank (41) in a sliding mode; the top of the guide rod (43) is fixedly connected with a round block; the spring (44) is sleeved on the outer wall of the top end of the guide rod (43); one end of the spring (44) is fixedly connected to the top of the supporting rod (42), and the other end of the spring is fixedly connected to the bottom of the round block; the oil guide grooves (45) are symmetrically arranged on two sides of the inner wall of the guide rod (43); the bristles (46) are fixedly connected to the outer wall of the bottom end of the guide rod (43) and are in contact with the top of the pinion (31).

2. The anti-rust gear of the reduction gearbox for the crane according to claim 1, characterized in that: the oil guide groove (45) is positioned on the inner wall of the bottom of the lubricating oil tank (41); the bottom of the guide rod (43) is contacted with the top of the pinion (31).

3. The anti-rust gear of the reduction box for the crane according to claim 2, characterized in that: an oil filling hole (5) is formed in the position, above the lubricating oil tank (41), of the inner wall of the upper reduction gearbox (2); the oil filling hole (5) is communicated with the interior of the lubricating oil tank (41).

4. The anti-rust gear of the reduction box for the crane according to claim 3, characterized in that: a sealing mechanism is arranged at the connecting position of the inner walls of the upper reduction gearbox (2) and the lower reduction gearbox (1); the sealing mechanism comprises a square block (61), a fixing ring buckle (62), a rubber block (63), an extrusion rod (64), a push plate (65) and an air bag (66); the square block (61) is fixedly connected with the inner wall of the upper reduction gearbox (2); the fixed ring buckle (62) is fixedly connected with the inner wall of the lower reduction gearbox (1); the top of the rubber block (63) is fixedly connected to the bottom of the square block (61); the bottom end of the rubber block (63) is inserted into the fixed ring buckle (62); a sliding groove (11) is formed in the inner wall of the fixed ring buckle (62) and is positioned on one side of the rubber block (63); the extrusion rod (64) is connected inside the sliding chute (11) in a sliding manner; the push plate (65) is fixedly connected with the end part of the extrusion rod (64); the side wall of the push plate (65) is contacted with the outer wall of the rubber block (63); the air bag (66) is arranged inside the sliding chute (11); one end of the air bag (66) is fixedly connected to the bottom of the extrusion rod (64), and the other end of the air bag is fixedly connected to the side wall of the sliding chute (11).

5. The anti-rust gear of the reduction box for the crane according to claim 4, characterized in that: the bottom of the guide rod (43) is arc-shaped.

6. The anti-rust gear of the reduction box for the crane according to claim 5, characterized in that: the length of the inner diameter of the oil guide groove (45) is larger than the thickness of the inner wall of the bottom of the lubricating oil tank (41).

Images