CN215171595U - Heading machine, main bearing and split inner ring of main bearing - Google Patents
Heading machine, main bearing and split inner ring of main bearing Download PDFInfo
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- CN215171595U CN215171595U CN202120779911.4U CN202120779911U CN215171595U CN 215171595 U CN215171595 U CN 215171595U CN 202120779911 U CN202120779911 U CN 202120779911U CN 215171595 U CN215171595 U CN 215171595U
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- 238000007789 sealing Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a entry driving machine, base bearing and split type inner circle thereof, the split type inner circle of base bearing are used for assembling between first outer lane and second outer lane, set up and sealed inner circle main part and main the pushing collar including the components of a whole that can function independently, the inner circle main part is used for supporting at the level side and mainly pushes away the roller, main pushing collar is used for being connected with first outer lane and supporting at vertical side and mainly pushes away the main holder that pushes away the roller tip. The split type inner circle of above-mentioned main bearing converts the inner circle of entry driving machine main bearing into split type structure by overall structure, and partly pushes away the retaining ring for giving first place to, and partly is main bearing inner circle main part, under the condition that satisfies main bearing performance requirement, reduces the consumptive material of main bearing and the overall structure size of main bearing, when reducing main bearing manufacturing cost and the processing degree of difficulty, reduces the required space requirement of main bearing installation.
Description
Technical Field
The utility model relates to a heading machine main bearing technical field, in particular to split type inner circle of base bearing. It also relates to a main bearing. Still relate to a heading machine.
Background
The main bearing of the heading machine plays a role of supporting a shield cutter head and enabling the shield cutter head to rotate to break rocks, so that the main bearing usually works under the working conditions of an extreme end such as impact, unbalance loading and the like. At present, a main bearing of the heading machine is widely provided with three rows of roller bearings, and the main bearing needs to bear composite loads such as axial force, radial force, overturning moment and the like in the operation process of the heading machine, and belongs to a typical low-speed heavy-load bearing.
With the gradual increase of the specification of the main bearing, the load which the main bearing needs to bear is larger, so in order to improve the bearing capacity of the main bearing, the number of the rollers in the main bearing is generally increased, for example, the arrangement of the rollers is changed from single-row arrangement to double-row arrangement, especially the number of the main push rollers is increased, and the bearing capacity of the main bearing can be greatly improved. In order to cooperate the main roller arrangement structure that pushes away that increases, the main roller that pushes away on the first outer lane of main bearing pushes away the raceway surface width and also increases thereupon, and the size of corresponding first outer lane and inner circle with it also needs the increase, along with the increase of main bearing size, increases substantially the main bearing and makes the consumptive material, increases main bearing manufacturing cost.
Therefore, how to provide a split inner ring of a main bearing, which can reduce material consumption, production cost and processing difficulty, is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a split type inner circle of main bearing converts the inner circle of tunnelling owner bearing into split type structure by overall structure, and partly pushes away the retaining ring for giving first place to, and partly is main bearing inner circle main part, under the condition that satisfies the main bearing performance requirement, reduces the consumptive material of main bearing and the overall structure size of main bearing, when reducing main bearing manufacturing cost and the processing degree of difficulty, reduces the required space requirement of main bearing installation. Another object of the utility model is to provide a main bearing. Still another object of the present invention is to provide a heading machine.
In order to realize the above-mentioned purpose, the utility model provides a split type inner circle of base bearing, split type inner circle is used for assembling between first outer lane and second outer lane, set up and sealed inner circle main part and main the pushing retaining ring including the components of a whole that can function independently, the inner circle main part is used for supporting at the level side and mainly pushes away the roller, main the pushing retaining ring is used for being connected with first outer lane and mainly pushes away the main holder that pushes away the roller tip at vertical side support.
Preferably, the main push check ring is provided with a connecting hole connected with the first outer ring through a screw, and a check washer is arranged in the connecting hole.
Preferably, the main pushing retainer ring is further provided with a threaded hole for connecting transportation equipment to realize hoisting and moving.
Preferably, the coupling holes and the threaded holes are evenly distributed on the main thrust collar.
Preferably, the inner ring main part with be equipped with the sealing washer between the main retaining ring that pushes away, the inner ring main part is equipped with the confession the seal groove that the sealing washer was installed, the sealing washer receive the main retaining ring that pushes away extrudees and realizes sealing.
The utility model also provides a main bearing, including first outer lane, second outer lane and as above arbitrary split type inner circle, split type inner circle assemble in first outer lane with between the second outer lane, first outer lane with second outer lane bolted connection.
The utility model also provides a heading machine, include as above-mentioned the base bearing.
Compared with the prior art, the split inner ring of the main bearing provided by the utility model comprises the inner ring main body and the main push check ring which are arranged in a split way and are sealed, the inner ring which is used as the main bearing after the two are combined is assembled between the first outer ring and the second outer ring, the inner ring main body supports the main push roller at the horizontal side, the main push check ring is connected with the first outer ring, and the main push check ring supports the main push retainer at the end part of the main push roller at the vertical side; the inner circle of this split type inner circle of base bearing with the entry driving machine main bearing is split type structure by overall structure conversion, and partly pushes away the retaining ring for giving first place to, and partly is main bearing inner circle main part, under the condition that satisfies main bearing performance requirement, reduces the consumptive material of main bearing and the overall structure size of main bearing, when reducing main bearing manufacturing cost and the processing degree of difficulty, reduces the required space requirement of main bearing installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic sectional view of a main bearing when the split inner ring is provided according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a prior art main bearing in the form of a one-piece inner ring;
fig. 3 is a top view of a main thrust collar provided in the embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a schematic view of an installation structure of the main push check ring provided by the embodiment of the present invention.
Wherein:
1-inner ring, 2-sealing ring, 3-main push roller, 4-first outer ring, 5-main push retainer, 6-main push retainer ring, 7-inner ring main body, 8-screw, 9-anti-loose washer and 10-second outer ring.
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 work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Please refer to fig. 1 to 5, wherein fig. 1 is a schematic sectional view of a main bearing when the main bearing is a split inner ring according to an embodiment of the present invention, fig. 2 is a schematic sectional view of a main bearing when the main bearing is an integral inner ring according to the prior art, fig. 3 is a top view of a main push check ring according to an embodiment of the present invention, fig. 4 is a sectional view of a-a of fig. 3, and fig. 5 is a schematic sectional view of an installation structure of a main push check ring according to an embodiment of the present invention.
In a specific embodiment, the utility model provides a split type inner circle of main bearing includes that the inner circle main part 7 that the components of a whole that can function independently set up pushes away retaining ring 6 with the owner, the owner pushes away retaining ring 6 and 4 equipment in first outer lane, it is sealed between retaining ring 6 to push away inner circle main part 7 and owner, the two assembles between first outer lane 4 and second outer lane 10, inner circle main part 7 mainly pushes away roller 3 in horizontal collateral branch support, it is connected and pushes away main cage 5 that pushes away of 3 tip of roller in vertical collateral support with first outer lane 4 to mainly push away retaining ring 6, the main effect that pushes away retaining ring 6 is main for the guide pushes away cage 5, prevent that the owner from pushing away that cage 5 breaks away from the operating position.
Referring to fig. 2, the function of the inner ring 1 of the integral inner ring in the prior art is the same as that of the split inner ring in the application of fig. 1, and it should be noted that the inner ring main body 7 and the main push check ring 6 are not rigidly assembled, but the main push check ring 6 is assembled with the first outer ring 4, and the inner ring main body 7 and the main push check ring 6 are sealed with each other, so that the effect of the combination of the inner ring main body 7 and the main push check ring 6 is the same as that of the existing inner ring structure.
As shown in fig. 2, as the number of rows of the main thrust rollers 3 increases, the radial thicknesses of the first outer ring 4 and the inner ring 1 of the main bearing matched with the main thrust rollers also correspondingly increase, the overall structural size of the main bearing also increases, and the consumables and the installation space of the corresponding main bearing also increase; in order to reduce the consumptive material and the manufacturing cost of main bearing under the condition that satisfies the main bearing performance requirement, reduce the overall structure and the shared space of main bearing simultaneously, the utility model provides a split type structure as shown in figure 1.
On the basis, as shown in fig. 1, the core improvement point of the utility model is to convert the inner ring structure of the main bearing of the heading machine from an integral structure into a split structure, wherein one part of the converted inner ring structure is the main push check ring 6 and the other part is the inner ring main body 7, so that compared with the inner ring 1 in the integral structure, the material cutting and waste at the installation positions of the two rows of main push rollers 3 are reduced, and the material utilization rate of the main bearing is increased; simultaneously, the installation space of main bearing is limited in the entry driving machine, if main bearing overall structure size increases, entry driving machine inner structure assorted with it also needs to be adjusted, and this split type structure compares inner circle 1 in the integral structure main bearing, inner circle main part 7 is less with the radial thickness that the main pushing check ring 6, the radial size of main bearing is less, the overall structure size of main bearing reduces, when reducing main bearing manufacturing cost and the processing degree of difficulty, the required space requirement of main bearing installation has been reduced, the installation suitability of main bearing has been improved.
It should be noted that, in this embodiment, the original inner ring 1 is divided into two parts, the part of the inner ring 1 supporting the main push retainer 5 is divided into the main push retainer ring 6, the main push retainer ring 6 plays a role in limiting the main push retainer 5 and sealing the inner ring main body 7, and the inner ring main body 7 includes other structures of the inner ring 1, such as a gear, a main push raceway, an auxiliary push raceway, and the like; the scheme that this embodiment provided reduces the main bearing consumptive material, when reducing main bearing manufacturing cost, has also reduced the overall structure size of main bearing, reduces the required space requirement of main bearing installation.
In the embodiment, the main push check ring 6 is provided with a connecting hole connected with the first outer ring 4 by a screw 8, the screw 8 is connected in the connecting hole, and simultaneously, a check washer 9 is arranged in the connecting hole, so that tight connection is realized, the sealing performance of the connection part between the two is ensured, and the lubricating liquid in the main bearing is prevented from leaking from the connection part; in addition, the screw 8 fixes the main push retainer 6 to the first outer ring 4, and also plays a role of guiding the movement of the main push holder 5, so that the main push holder 5 operates normally.
Specifically, the main thrust collar 6 is fastened and fixed to the first outer ring 4 of the main bearing by a screw 8, and serves to guide the main thrust cage 5 and prevent the main thrust cage 5 from slipping off from the operating position.
Besides, the main pushing retainer ring 6 is also provided with a threaded hole for connecting the transportation equipment to realize hoisting and moving.
Exemplarily, the connecting holes and the threaded holes are uniformly distributed on the main push check ring 6, so that the main push check ring is symmetrical and attractive, and is stable in connection during lifting and transportation and stable in connection with the first outer ring 4.
In this embodiment, inner circle main part 7 and main push away and be equipped with sealing washer 2 between retaining ring 6, inner circle main part 7 is equipped with the seal groove that supplies sealing washer 2 to install, and sealing washer 2 is pushed away the 6 extrusion realization sealings of retaining ring by the acceptor, both prevents inside external impurity entering main bearing, still prevents the inside lubricated liquid leakage of main bearing, and the protection main bearing steady operation is not influenced.
Specifically, a corresponding sealing groove is provided for mounting the main bearing upper sealing ring 2 on the inner ring main body 7, and a corresponding matching surface is provided for mounting the main bearing upper sealing ring 2 on the main push check ring 6; wherein, open suitable position and the seal groove of size on the face that is close with sealing washer 2 on inner circle main part 7, the sealing washer 2 of installation cooperatees with main retaining ring 6 that pushes away in the seal groove, realizes mainly pushing away the sealed between retaining ring 6 and the inner circle main part 7 through the deflection of sealing washer 2.
The utility model also provides a main bearing, including above-mentioned split type inner circle, should have above-mentioned split type inner circle's whole beneficial effect: the material utilization rate of the main bearing is increased, the overall structure size of the main bearing is reduced, the production cost of the main bearing is reduced, the space required by the installation of the main bearing is reduced, and the installation adaptability of the main bearing is improved; besides, the split type inner ring structure further comprises a first outer ring 4 and a second outer ring 10, the split type inner ring is assembled between the first outer ring 4 and the second outer ring 10, and the first outer ring 4 is connected with the second outer ring 10 through bolts.
The utility model also provides a heading machine, including above-mentioned main bearing, should have all beneficial effects of above-mentioned main bearing, here no longer give unnecessary details.
It is right above the utility model provides a development machine, base bearing and split type inner circle thereof have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. The utility model provides a split type inner circle of main bearing, split type inner circle is used for assembling between first outer lane (4) and second outer lane (10), its characterized in that, including components of a whole that can function independently setting and sealed inner circle main part (7) and main retaining ring (6) of pushing away, inner circle main part (7) are used for supporting main roller (3) of pushing away in the horizontal side, main retaining ring (6) of pushing away are used for being connected with first outer lane (4) and push away main cage (5) of pushing away roller (3) tip in vertical side support.
2. The split inner ring according to claim 1, wherein the main thrust collar (6) is provided with a coupling hole for connecting the first outer ring (4) with a screw (8), and a check washer (9) is arranged in the coupling hole.
3. The split inner ring according to claim 2, wherein the main push check ring (6) is further provided with a threaded hole for connecting transportation equipment for hoisting and moving.
4. The split inner ring according to claim 3, characterized in that the coupling holes and the threaded holes are evenly distributed on the main thrust collar (6).
5. The split inner ring according to any one of claims 1 to 4, wherein a seal ring (2) is disposed between the inner ring main body (7) and the main push check ring (6), the inner ring main body (7) is provided with a seal groove for installing the seal ring (2), and the seal ring (2) is squeezed by the main push check ring (6) to realize sealing.
6. Main bearing, characterized in that it comprises a first outer ring (4), a second outer ring (10) and a split inner ring according to any one of claims 1 to 5, which split inner ring is fitted between the first outer ring (4) and the second outer ring (10), the first outer ring (4) and the second outer ring (10) being bolted.
7. A heading machine comprising a main bearing as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120779911.4U CN215171595U (en) | 2021-04-15 | 2021-04-15 | Heading machine, main bearing and split inner ring of main bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120779911.4U CN215171595U (en) | 2021-04-15 | 2021-04-15 | Heading machine, main bearing and split inner ring of main bearing |
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| Publication Number | Publication Date |
|---|---|
| CN215171595U true CN215171595U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120779911.4U Active CN215171595U (en) | 2021-04-15 | 2021-04-15 | Heading machine, main bearing and split inner ring of main bearing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278672A (en) * | 2021-12-15 | 2022-04-05 | 中铁工程装备集团有限公司 | Heading machine cutter head mounting structure and bearing |
| CN114412918A (en) * | 2022-01-25 | 2022-04-29 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembling method thereof |
| CN114483770A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine |
| CN114776713A (en) * | 2022-04-08 | 2022-07-22 | 洛阳轴承研究所有限公司 | Shield machine main bearing, shield machine main bearing outer ring and machining method thereof |
-
2021
- 2021-04-15 CN CN202120779911.4U patent/CN215171595U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278672A (en) * | 2021-12-15 | 2022-04-05 | 中铁工程装备集团有限公司 | Heading machine cutter head mounting structure and bearing |
| CN114412918A (en) * | 2022-01-25 | 2022-04-29 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembling method thereof |
| CN114483770A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine |
| CN114483770B (en) * | 2022-01-25 | 2023-10-31 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine |
| CN114412918B (en) * | 2022-01-25 | 2023-10-31 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembly method thereof |
| CN114776713A (en) * | 2022-04-08 | 2022-07-22 | 洛阳轴承研究所有限公司 | Shield machine main bearing, shield machine main bearing outer ring and machining method thereof |
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