CN211070376U

CN211070376U - Rotating part structure of impact crusher

Info

Publication number: CN211070376U
Application number: CN201921769942.0U
Authority: CN
Inventors: 胡玉水; 胡益岩
Original assignee: Shanghai Zhaorui Mechanical Equipment Co ltd
Current assignee: Shanghai Zhaorui Mechanical Equipment Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-07-24
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a rotating part structure of an impact crusher, which comprises a shaft sleeve, a main shaft inserted on the shaft sleeve, and an upper bearing cover and a lower bearing cover which are covered at the two ends of the shaft sleeve, wherein the lower bearing cover is provided with an oil inlet channel and an oil outlet channel; an oil passage communicated with the oil inlet passage is axially arranged on the shaft sleeve, and an oil through hole communicated with the oil passage and the inner cavity of the shaft sleeve is arranged at one end, close to the upper bearing sleeve, of the shaft sleeve. Through changing the grease lubrication into circulating thin oil seal, not only can improve the rotational speed of rotor, and because the circulation of its interior oil circuit can realize lasting lubrication, the reduction of rotational speed can not be very obvious in long-term use, effectively improves the life of rotation portion.

Description

Rotating part structure of impact crusher

Technical Field

The utility model relates to a breaker technical field, in particular to rotation portion structure of impact crusher.

Background

The impact crusher, called impact crusher for short, commonly called sand making machine, is a high-energy and low-consumption impact crusher with international advanced level, the performance of the impact crusher plays an irreplaceable role in various ore fine crushing devices, and the impact crusher is the most effective, practical and reliable stone crushing machine at present.

The principle is that stones collide with stones thrown out by the impeller in the natural falling process, so that the purpose of crushing is achieved. The stone thrown out in an accelerated way collides with the naturally falling stone to form a vortex, and the stone is crushed for 2 times in the returning process, so that the abrasion to the impact plate of the machine in the running process is little.

Wherein, the system sand effect of vertical shaft impact crusher has the close relation with the rotational speed of rotor portion structure and rotor, and the rotational speed of rotor is higher, and its system sand's effect is better, and most rotation portion all adopt the grease lubricated at present, and the lubrication effect of rotation portion is also calculated well when initial, but the lubrication effect of grease can descend after long-time the use, will exert an influence to the rotational speed of rotor if can not in time change to lead to system sand effect to descend.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an impact crusher's rotating part structure has the effect of improving the rotational speed.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a rotating part structure of an impact crusher comprises a shaft sleeve, a main shaft inserted on the shaft sleeve, an upper bearing cover and a lower bearing cover, wherein the upper bearing cover and the lower bearing cover are covered at two ends of the shaft sleeve;

an oil passing channel communicated with the oil inlet channel is axially arranged on the shaft sleeve, and an oil through hole communicated with the oil passing channel and the inner cavity of the shaft sleeve is formed in one end, close to the upper bearing sleeve, of the shaft sleeve.

So set up, it is sealed to modify into the thin oil with the drier oil lubrication, make the thin oil enter into the oil feed passageway from the oil inlet, then pass through the oil passage and enter into the rotation portion through the oil through hole in, the thin oil that gets into in the rotation portion can lubricate bearing and main shaft, and the inside thin oil that gets into the rotation portion flows along the axial lower bearing cap of main shaft, flow from the oil-out at last, realize the circulation of oil circuit in the rotation portion, not only can improve the rotational speed of rotor, and because the circulation of its oil circuit, can realize lasting lubrication, the reduction of rotational speed can not be very obvious in long-term use, effectively improve the life of rotation portion.

More preferably: the oil inlet channel penetrates through two ends of the shaft sleeve.

So set up, be convenient for cross the processing of oil passageway.

More preferably: the oil through hole is the slope setting, the one end opening that the oil through hole is located the axle sleeve inside wall is the slope setting outward towards the axle sleeve.

So set up, the processing of the oil through hole of being convenient for.

More preferably: an upper bearing and a lower bearing are respectively arranged at two ends of the shaft sleeve, and an opening at one end of the oil through hole, which is positioned on the inner side wall of the shaft sleeve, is positioned between the upper bearing and the upper bearing sleeve; the upper bearing sleeve is provided with an opening communicated with the oil through hole and the inner cavity of the shaft sleeve.

So set up, set up the most marginal to the axle sleeve with the oil through hole, make the thin oil that gets into the inner chamber from the oil through hole be located the inside tip of rotation portion, and the oil-out sets up the tip at the other end, consequently, thin oil can carry out the lubricated that flows to all spare parts in the rotation portion, ensures lubricated effect best.

More preferably: the upper bearing cover and the lower bearing cover are connected with the shaft sleeve through bolts, and sealing rings are embedded in the upper bearing cover and the lower bearing cover.

So set up, it is convenient to connect, and can realize sealed between bearing cap and the axle sleeve when connecting.

More preferably: an upper sealing cover is rotatably connected to one end, far away from the shaft sleeve, of the upper bearing cover, an upper sealing ring is embedded in the end face, in contact with the spindle, of one end of the upper sealing cover, an accommodating cavity is formed between the upper bearing cover and the upper sealing cover, and a sealing ring is arranged in the accommodating cavity;

the lower sealing cover is installed at one end, far away from the shaft sleeve, of the lower bearing cover through a bolt, a lower sealing ring is sleeved outside the main shaft, and the lower sealing ring is limited between the lower bearing cover and the lower sealing cover.

So set up, the setting of sealed lid and lower sealed lid is sealed the main shaft position.

More preferably: the cross section of the sealing ring is in an inverted V shape.

So set up, the sealing ring of V-arrangement structure can have better sealed effect.

More preferably: the upper bearing cover is provided with a clamping groove, and the sealing ring is clamped in the clamping groove.

So set up, can fix the spacing ring to make the sealing ring can not take place the activity at sealed in-process, and then can not rotate to the upper bearing cap and produce the influence.

More preferably: the width of the outer ring of the sealing ring is larger than that of the inner ring; the thickness of the outer ring of the sealing ring is larger than that of the inner ring, and the thickness of the inner ring of the sealing ring is gradually changed.

By adopting the arrangement, the sealing ring structure is further optimized, so that the sealing performance is increased along with the increase of the pressure, and the sealing ring can be applied to occasions with relatively high pressure.

More preferably: the two ends of the oil passage are provided with sinking grooves, a sealing gasket is embedded in the sinking groove at one end of the oil passage abutted against the upper bearing cover, and a first sealing ring is embedded in the sinking groove at one end of the oil passage abutted against the lower bearing cover.

So set up, sealed the pad can be with the one end shutoff of crossing oil passage, and the setting of the first sealing washer of the other end can ensure that oil feed passageway and the connection of crossing oil passage have good sealed effect.

To sum up, the utility model discloses following beneficial effect has:

1. the rotation speed of the rotor is improved by adopting a thin oil lubrication mode;

2. and the circulating oil way is adopted, so that the lasting lubrication is realized, and the service life is effectively prolonged.

Drawings

FIG. 1 is a first schematic structural diagram of the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a second schematic structural diagram of the present embodiment;

FIG. 4 is a partial schematic view of the upper bearing cap and upper seal cap of the present embodiment;

fig. 5 is a schematic structural view of the upper bearing cap and the upper seal cap in the present embodiment.

In the figure, 100, a shaft sleeve; 110. an upper bearing; 120. a lower bearing; 130. an oil passing channel; 131. a first seal ring; 132. a gasket; 133. an oil through hole; 200. a main shaft; 300. an upper bearing cap; 310. an opening; 320. a card slot; 400. a lower bearing cap; 410. an oil inlet channel; 411. an oil inlet; 420. an oil outlet channel; 421. an oil outlet; 500. an upper sealing cover; 510. a lower seal ring; 520. a seal ring; 600. a lower sealing cover; 610. an upper seal ring; 700. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Example 1: a rotating part structure of an impact crusher comprises a shaft sleeve 100, an upper bearing 110, a lower bearing 120, a main shaft 200, an upper bearing cover 300, a lower bearing cover 400, an upper sealing cover 500 and a lower sealing cover 600, wherein the shaft sleeve 100 is sleeved outside the main shaft 200, two ends of the main shaft 200 are respectively connected with the main shaft 200 through the upper bearing 110 and the lower bearing 120, the upper bearing cover 300 and the lower bearing cover 400 are respectively covered at two ends of the shaft sleeve 100 to fix two bearings, and the upper sealing cover 500 and the lower sealing cover 600 are respectively covered at the outer sides of the upper bearing cover 300 and the lower bearing cover 400 to seal two ends of the shaft sleeve 100, as shown in figure 1.

Referring to fig. 2 and 3, an oil inlet channel 410 and an oil outlet channel 420 are disposed on the lower bearing cover 400, the oil inlet channel 410 is formed with an oil inlet 411 on the lower bearing cover 400, one end of the oil outlet channel 420 is formed with an oil outlet 421 on the lower bearing cover 400, wherein the oil inlet 411 and the oil outlet 421 are respectively disposed on the circumferential side wall of the lower bearing cover 400.

Referring to fig. 2 and 4, the other end of the oil inlet channel 410 penetrates through one end of the lower bearing cap 400 connected with the shaft sleeve 100, the shaft sleeve 100 is provided with an oil passing channel 130, the oil passing channel 130 penetrates through two ends of the shaft sleeve 100, and after the lower bearing cap 400 is connected with the shaft sleeve 100 through a bolt, the oil passing channel 130 is communicated with the oil inlet channel 410.

Both ends of the oil passage 130 are provided with sink grooves, a first seal ring 131 is embedded in the sink groove at the end of the oil passage 130 abutting against the lower bearing cap 400, and a seal gasket 132 is embedded in the sink groove at the end of the oil passage 130 abutting against the upper bearing cap 300.

Referring to fig. 4, an oil hole 133 communicating the oil passage 130 with the inner cavity of the shaft sleeve 100 is formed at one end of the shaft sleeve 100 close to the upper bearing 110, the oil hole 133 is inclined, and an opening 310 at one end of the oil hole 133 on the inner side wall of the shaft sleeve 100 is inclined toward the outside of the shaft sleeve 100.

An opening 310 of the oil passing hole 133 at one end of the inner side wall of the shaft sleeve 100 is positioned between the upper bearing 110 and the upper bearing 110; the upper bearing 110 is provided with an opening 310 for communicating the oil hole 133 with the inner cavity of the shaft sleeve 100.

Referring to fig. 2 and 4, the upper bearing cap 300 and the lower bearing cap 400 are both connected to the shaft sleeve 100 by bolts, and sealing rings 700 are embedded in the upper bearing cap 300 and the lower bearing cap 400.

As shown in fig. 2, the lower seal cover 600 is connected to an end of the lower bearing cover 400 far away from the shaft sleeve 100 by a plurality of bolts, a lower seal ring 510 is sleeved outside the main shaft 200, and the lower seal ring 510 is limited between the lower bearing cover 400 and the lower seal cover 600.

As shown in fig. 4, the upper seal cover 500 is connected to an end of the upper bearing cap 300 away from the shaft sleeve 100, and the upper seal cover 500 is sleeved on the main shaft 200 and needs to rotate on the main shaft 200. An upper sealing ring 610 is embedded in an end face of the upper sealing cover 500 contacting with the main shaft 200, a containing cavity is formed between the upper bearing cover 300 and the upper sealing cover 500, and a sealing ring 520 is arranged in the containing cavity.

The cross section of sealing ring 520 is the shape of falling V, and the outer loop width of sealing ring 520 is greater than the inner ring width, and the outer loop thickness of sealing ring 520 is greater than the inner ring thickness, and the inner ring thickness of sealing ring 520 is the gradual change setting.

As shown in fig. 5, the upper bearing cap 300 is provided with a locking groove 320, and the sealing ring 520 is locked in the locking groove 320.

The working principle is as follows:

the lubricating of the dry oil is changed into the lubricating of the thin oil, so that the thin oil enters the oil inlet channel 410 from the oil inlet 411, then enters the rotating part through the oil passing channel 130 through the oil passing hole 133, the thin oil entering the rotating part can lubricate the bearing and the spindle 200, the thin oil entering the rotating part flows to the lower bearing cover 400 along the axial direction of the spindle 200, and finally flows out of the oil outlet 421, the circulation of an oil way on the rotating part is realized, the rotating speed of the rotor can be improved, the lasting lubrication can be realized due to the circulation of the oil way in the rotor, the reduction of the rotating speed cannot be obvious in the long-term use process, and the service life of the rotating part is effectively prolonged.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an impact crusher's rotating part structure, includes axle sleeve (100), inserts main shaft (200) of establishing on axle sleeve (100), and the lid establishes upper bearing lid (300) and lower bearing lid (400) at axle sleeve (100) both ends, characterized by: an oil inlet channel (410) and an oil outlet channel (420) are arranged on the lower bearing cover (400), an oil inlet (411) is formed on the lower bearing cover (400) through the oil inlet channel (410), an oil outlet (421) is formed on the lower bearing cover (400) at one end of the oil outlet channel (420), and the other end of the oil outlet channel is communicated with an inner cavity of the shaft sleeve (100);

an oil passing channel (130) communicated with the oil inlet channel (410) is axially arranged on the shaft sleeve (100), and an oil passing hole (133) communicated with the oil passing channel (130) and an inner cavity of the shaft sleeve (100) is formed in one end, close to the upper bearing (110), of the shaft sleeve (100).

2. The rotating part structure of an impact crusher according to claim 1, wherein: the oil inlet channel (410) penetrates through two ends of the shaft sleeve (100).

3. The rotating part structure of an impact crusher according to claim 1, wherein: the oil through hole (133) is obliquely arranged, and an opening (310) at one end, located on the inner side wall of the shaft sleeve (100), of the oil through hole (133) is obliquely arranged towards the outside of the shaft sleeve (100).

4. The rotating part structure of an impact crusher according to claim 1, wherein: an upper bearing (110) and a lower bearing (120) are respectively arranged at two ends of the shaft sleeve (100), and an opening (310) at one end, located on the inner side wall of the shaft sleeve (100), of the oil through hole (133) is located between the upper bearing (110) and the upper bearing (110); the upper bearing (110) is provided with an opening (310) which is communicated with the oil through hole (133) and the inner cavity of the shaft sleeve (100).

5. The rotating part structure of an impact crusher according to claim 1, wherein: the upper bearing cover (300) and the lower bearing cover (400) are connected with the shaft sleeve (100) through bolts, and the upper bearing cover (300) and the lower bearing cover (400) are respectively provided with a sealing ring (700) in an embedded mode.

6. The rotating part structure of an impact crusher according to claim 1, wherein: an upper sealing cover (500) is rotatably connected to one end, far away from the shaft sleeve (100), of the upper bearing cover (300), an upper sealing ring (610) is embedded in the end face, at one end, in contact with the spindle (200), of the upper sealing cover (500), an accommodating cavity is formed between the upper bearing cover (300) and the upper sealing cover (500), and a sealing ring (520) is arranged in the accommodating cavity;

the one end that axle sleeve (100) was kept away from in lower bearing cap (400) is passed through the bolt and is installed lower sealing lid (600), main shaft (200) overcoat is equipped with sealing ring (510) down, lower sealing ring (510) are spacing between lower bearing cap (400) and lower sealing lid (600).

7. The rotating part structure of an impact crusher according to claim 6, wherein: the cross section of the sealing ring (520) is in an inverted V shape.

8. The rotating part structure of an impact crusher according to claim 7, wherein: a clamping groove (320) is formed in the upper bearing cover (300), and the sealing ring (520) is clamped in the clamping groove (320).

9. The rotating part structure of an impact crusher according to claim 8, wherein: the outer ring width of the seal ring (520) is greater than the inner ring width; the thickness of the outer ring of the sealing ring (520) is smaller than that of the inner ring, and the thickness of the outer ring of the sealing ring (520) is gradually changed.

10. The rotating part structure of an impact crusher according to claim 2, wherein: the two ends of the oil inlet channel (410) are provided with sinking grooves, a sealing gasket (132) is embedded in the sinking groove at one end, abutted against the upper bearing cover (300), of the oil inlet channel (410), and a first sealing ring (131) is embedded in the sinking groove at one end, abutted against the lower bearing cover (400), of the oil inlet channel (410).