CN216241883U - Tail oil-free wear-resistant bearing bush and shaft sleeve structure - Google Patents
Tail oil-free wear-resistant bearing bush and shaft sleeve structure Download PDFInfo
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- CN216241883U CN216241883U CN202122807400.1U CN202122807400U CN216241883U CN 216241883 U CN216241883 U CN 216241883U CN 202122807400 U CN202122807400 U CN 202122807400U CN 216241883 U CN216241883 U CN 216241883U
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- bearing bush
- tail
- shaft sleeve
- wear
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Abstract
The utility model discloses a tail oil-free wear-resistant bearing bush and shaft sleeve structure, which comprises: the shaft sleeve is sleeved at the end part of the tail shaft and is made of Cr 12; the bearing bush is sleeved on the shaft sleeve, the bearing bush is made of 42CrMo, and the bearing bush is in clearance fit with the shaft sleeve; and the anti-shaking mechanism is arranged at the end part of the tail shaft and abuts against the bearing bush.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to a bearing bush and shaft sleeve structure with an oilless and wear-resistant tail.
Background
The NSE series high-speed plate chain bucket elevator is used for vertically conveying powdery and small blocky materials in the industries of building materials, grains, chemical engineering, coal and the like. At present, the tail structure of the elevator adopts a bearing seat form, and the transmission is lubricated through a bearing.
This structure needs regular oiling, and the bearing frame is interference fit, and it is inconvenient to dismantle.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model discloses a bearing bush and shaft sleeve structure with an oilless and wear-resistant tail part, which comprises:
the shaft sleeve is sleeved at the end part of the tail shaft and is made of Cr 12;
the bearing bush is sleeved on the shaft sleeve, the bearing bush is made of 42CrMo, and the bearing bush is in clearance fit with the shaft sleeve;
and the anti-shaking mechanism is arranged at the end part of the tail shaft and abuts against the bearing bush.
Preferably, the shaft sleeve comprises a ring body and a pipe body, the outer diameter of the ring body is larger than that of the pipe body, and the bearing bush is sleeved on the pipe body and is close to the ring body.
Preferably, the outer end of the bearing bush is annularly provided with a step surface.
Preferably, the shaking prevention mechanism includes:
the box body is fixedly connected to the end part of the tail shaft, and a preset distance is reserved between the bottom end of the box body and the end part of the tail shaft;
the rotating column is fixedly connected to the bottom in the box body;
the transmission plate is arranged in the box body and sleeved on the rotating column;
the limiting grooves are circumferentially arranged on the transmission plate by taking the rotating column as a center, and the bottom ends of the limiting grooves penetrate through the transmission plate;
one end of the centrifugal rod is hinged to the rotary column, and the other end of the centrifugal rod penetrates through the limiting groove;
the centrifugal ball is connected to the other end of the centrifugal rod and is attached to the transmission plate;
one end of the strut is connected with the transmission plate, and the other end of the strut penetrates through the bottom end of the box body;
the soft wood is fixedly connected to the other end of the support column, and the soft wood abuts against the bearing bush.
Preferably, the centrifugal rods are equal in number to the limiting grooves.
Preferably, the box cover is detachably mounted at the box opening end of the box body.
The working principle and the beneficial effects of the utility model are as follows:
the utility model provides a bearing bush and shaft sleeve structure with oil-free and wear-resistant tail, which replaces the existing bearing bush and shaft sleeve structure, wherein the bearing bush is sleeved on a pipe body, one end of the bearing bush is abutted on a ring body, the other end of the bearing bush is abutted on cork, the shaft sleeve material is made of Cr12 with the hardness of HRC60-64, the bearing bush material is made of 42CrMo with the hardness of HRC54-58, the hardness is high, the bearing bush is wear-resistant, the bearing bush is very convenient to assemble and disassemble by clearance fit, in the using process, the bearing bush can be directly contacted with materials without adding oil, a box body is fixedly connected to the end part of a tail shaft, when the tail shaft rotates, a rotary column in the box body is driven to rotate, the rotary column drives a centrifugal ball to rotate through a centrifugal rod, under the centrifugal ball slides in a limiting groove, the centrifugal ball drives a driving plate to move along the rotary column in the direction far away from a box cover, the driving plate drives the cork bush through a support column, thereby preventing the tail shaft from rotating at high speed, the bearing bush is rocked, the higher the rotating speed of the tail shaft is, the larger the centrifugal force applied to the centrifugal ball is, the larger the distance between the transmission plate and the box cover is, and the larger the acting force of the cork on the bearing bush is.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the present application;
fig. 3 is a schematic structural view of the anti-sloshing mechanism of the present invention.
In the figure: 1. a shaft sleeve; 2. bearing bushes; 3. an anti-shaking mechanism; 11. a ring body; 12. a pipe body; 21. a step surface; 31. a box body; 32. turning the column; 33. a drive plate; 34. a limiting groove; 35. a centrifugal lever; 36. a centrifugal ball; 37. a pillar; 38. cork wood; 39. and (7) a box cover.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the present embodiment provides a bushing sleeve structure with an oilless and wear-resistant tail, including:
the shaft sleeve 1 is sleeved at the end part of the tail shaft, and the shaft sleeve 1 is made of Cr 12;
the bearing bush 2 is sleeved on the shaft sleeve 1, the bearing bush 2 is made of 42CrMo, and the bearing bush 2 is in clearance fit with the shaft sleeve 1;
and the anti-shaking mechanism 3 is arranged at the end part of the tail shaft, and the anti-shaking mechanism 3 is arranged on the bearing bush 2 in a propping manner.
Further, the shaft sleeve 1 is composed of a ring body 11 and a pipe body 12, the outer diameter of the ring body 11 is larger than that of the pipe body 12, and the bearing bush 2 is sleeved on the pipe body 12 and is arranged close to the ring body 11.
Further, the outer end of the bearing bush 2 is annularly provided with a step surface 21.
Further, the anti-rattle mechanism 3 includes:
the box body 31 is fixedly connected to the end part of the tail shaft, and a preset distance is reserved between the bottom end of the box body 31 and the end part of the tail shaft;
the rotating column 32, the said rotating column 32 is fixedly connected to the bottom in the said box 31;
the transmission plate 33 is arranged in the box body 31, and the transmission plate 33 is sleeved on the rotating column 32;
the limiting grooves 34 are circumferentially formed in the transmission plate 33 by taking the rotary column 32 as a center, and the bottom ends of the limiting grooves 34 penetrate through the transmission plate 33;
one end of the centrifugal rod 35 is hinged to the rotary column 32, and the other end of the centrifugal rod 35 penetrates through the limit groove 34;
the centrifugal ball 36 is connected to the other end of the centrifugal rod 35, and the centrifugal ball 36 is attached to the transmission plate 33;
one end of the strut 37 is connected with the transmission plate 33, and the other end of the strut 37 penetrates through the bottom end of the box body 31;
and the cork 38 is fixedly connected to the other end of the support column 37, and the cork 38 abuts against the bearing bush 2.
Further, the centrifugal rods 35 are disposed in equal numbers in the limiting grooves 34.
Further, a box cover 39 is detachably mounted at the box opening end of the box body 31.
The working principle and the beneficial effects of the utility model are as follows:
the utility model provides a bearing bush and shaft sleeve structure with oil-free and wear-resistant tail, which replaces the existing bearing bush and shaft sleeve structure, wherein a bearing bush 2 is sleeved on a pipe body 12, one end of the bearing bush 2 is abutted on a ring body 11, the other end of the bearing bush 2 is abutted on cork 38, the shaft sleeve 1 is made of Cr12 with the hardness of HRC60-64, the bearing bush 2 is made of 42CrMo with the hardness of HRC54-58, the hardness is high and wear-resistant, and the bearing bush is very convenient to assemble and disassemble by clearance fit, oil is not needed in the use process, the bearing bush can be directly contacted with materials, a box body 31 is fixedly connected with the end part of a tail shaft, when the tail shaft rotates, a rotary column 32 positioned in the box body 31 is driven to rotate, the rotary column 32 drives a centrifugal ball 36 to rotate through a centrifugal rod 35, under the centrifugal force of the centrifugal ball 36, the centrifugal ball 36 slides in a limiting groove 34, the centrifugal ball 36 drives a driving plate 33 to move along the rotary column 32 in the direction far away from a box cover 39, the driving plate 33 drives the cork 38 to abut against the bearing bush 2 through the pillar 37, so as to prevent the bearing bush 2 from shaking when the tail shaft rotates at a high speed, the faster the rotation speed of the tail shaft is, the larger the centrifugal force applied to the centrifugal ball 36 is, the larger the distance between the driving plate 33 and the box cover 39 is, and the larger the acting force of the cork 38 on the bearing bush is.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (6)
1. The utility model provides a tail portion does not have oily wear-resisting axle bush axle sleeve structure which characterized in that includes:
the shaft sleeve (1), the said shaft sleeve (1) is fitted on the end of the tail shaft;
the bearing bush (2) is sleeved on the shaft sleeve (1), and the bearing bush (2) is in clearance fit with the shaft sleeve (1);
and the anti-shaking mechanism (3) is arranged at the end part of the tail shaft, and the anti-shaking mechanism (3) is arranged to abut against the bearing bush (2).
2. An oilless wear-resistant bushing structure for bearing bush at the tail according to claim 1, wherein the bushing (1) is composed of a ring body (11) and a pipe body (12), the outer diameter of the ring body (11) is larger than that of the pipe body (12), and the bearing bush (2) is sleeved on the pipe body (12) and arranged close to the ring body (11).
3. An oilless wear-resistant bush housing structure with a tail part as claimed in claim 1, wherein the outer end of the bush (2) is provided with a step surface (21) in a surrounding manner.
4. An oilless wear-resistant bushing sleeve structure for tail part as claimed in claim 1, wherein said anti-sloshing mechanism (3) comprises:
the box body (31), the box body (31) is fixedly connected to the end part of the tail shaft, and a preset distance is reserved between the bottom end of the box body (31) and the end part of the tail shaft;
the rotating column (32), the said rotating column (32) is fixedly connected to the bottom in the said box (31);
the transmission plate (33) is arranged in the box body (31), and the transmission plate (33) is sleeved on the rotary column (32);
the limiting grooves (34) are circumferentially arranged on the transmission plate (33) by taking the rotating column (32) as a center, and the bottom ends of the limiting grooves (34) penetrate through the transmission plate (33);
one end of the centrifugal rod (35) is hinged to the rotary column (32), and the other end of the centrifugal rod (35) penetrates through the limiting groove (34);
the centrifugal ball (36), the said centrifugal ball (36) is connected to another end of the said centrifugal lever (35), the said centrifugal ball (36) is set up in the said driving plate (33) of sticking;
one end of the strut (37) is connected with the transmission plate (33), and the other end of the strut (37) penetrates through the bottom end of the box body (31);
the soft wood (38) is fixedly connected to the other end of the support column (37), and the soft wood (38) abuts against the bearing bush (2).
5. The bushing sleeve structure with the tail portion free of oil and wear resistant according to claim 4, wherein the centrifugal rods (35) are arranged in the limiting grooves (34) in equal quantity.
6. An oilless wear-resistant bush housing structure with a tail part as claimed in claim 4, wherein a housing cover (39) is detachably mounted at the housing opening end of the housing body (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807400.1U CN216241883U (en) | 2021-11-17 | 2021-11-17 | Tail oil-free wear-resistant bearing bush and shaft sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807400.1U CN216241883U (en) | 2021-11-17 | 2021-11-17 | Tail oil-free wear-resistant bearing bush and shaft sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216241883U true CN216241883U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122807400.1U Active CN216241883U (en) | 2021-11-17 | 2021-11-17 | Tail oil-free wear-resistant bearing bush and shaft sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216241883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115571566A (en) * | 2022-09-21 | 2023-01-06 | 华润水泥(上思)有限公司 | Wear-resisting bush of bucket elevator tail pulley |
-
2021
- 2021-11-17 CN CN202122807400.1U patent/CN216241883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115571566A (en) * | 2022-09-21 | 2023-01-06 | 华润水泥(上思)有限公司 | Wear-resisting bush of bucket elevator tail pulley |
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