CN214404240U - Double-lug three-lug joint sliding bush connecting structure - Google Patents
Double-lug three-lug joint sliding bush connecting structure Download PDFInfo
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- CN214404240U CN214404240U CN202023281483.7U CN202023281483U CN214404240U CN 214404240 U CN214404240 U CN 214404240U CN 202023281483 U CN202023281483 U CN 202023281483U CN 214404240 U CN214404240 U CN 214404240U
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Abstract
The utility model belongs to the technical field of three ears articulate, a three ears articulate sliding bush connection structure is related to. The method comprises the following steps: the bolt comprises a double-lug joint, a three-lug joint, a bolt, a first sliding bush and a second sliding bush, wherein the inner diameter of the first sliding bush is equal to the outer diameter of the bolt, and the outer diameter of the first sliding bush is equal to the diameter of an upper lug mounting hole of the three-lug joint; the inner diameter of the second sliding bush is equal to the outer diameter of the bolt, and the outer diameter of the second sliding bush is equal to the diameter of the lower lug mounting hole of the three-lug joint; the aperture of the mounting hole of the upper lug of the double-lug joint is equal to the outer diameter of the first sliding bush, the aperture of the mounting hole of the lower lug of the double-lug joint and the aperture of the mounting hole of the middle lug of the three-lug joint are equal to the outer diameter of the bolt, and after connection, the bolt penetrates through the first sliding bush and the second sliding bush and clamps the lower lug of the double-lug joint and the middle lug of the three-lug joint through the first sliding bush and the second sliding bush. The clearance between the auricles is adjusted through the slip bush, need not high accuracy auricle processing.
Description
Technical Field
The utility model belongs to the technical field of ears, three ear articulate, a three ears connect slip bush connection structure is related to.
Background
Generally, the connection form of the double-lug and three-lug joints is shown in fig. 1, when the connection exists, a lining needs to be filed and repaired during interference, when a gap exists, a gasket needs to be added for adjustment, and when the assembling workload is increased by grinding or adding the gasket, the lug is inevitably bent in the process of fixing the force of the bolt, so that the lug bears extra in-plane load.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a two ears three ears connect slip bush connection structure to simplify the assembly degree of difficulty of two ears, three ears connect, need not to consider when the bolt normal constant force that the lug face internal pressure leads to the lug to warp that the bolt constant force arouses.
The technical scheme is as follows:
in a first aspect, a binaural three-lug joint sliding bush connection structure is provided, including: the bolt comprises a double lug joint 6, a three lug joint 4, a bolt 1, a first sliding bush 2 and a second sliding bush 12, wherein the inner diameter of the first sliding bush 2 is equal to the outer diameter of the bolt 1, and the outer diameter of the first sliding bush is equal to the diameter of an upper lug mounting hole of the three lug joint 4; the inner diameter of the second sliding bush 12 is equal to the outer diameter of the bolt 1 and the outer diameter is equal to the diameter of the lower lug mounting hole of the three-lug joint 4; the aperture of the mounting hole of the upper lug of the double-lug joint 6 is equal to the outer diameter of the first sliding bush 2, the aperture of the mounting hole of the lower lug of the double-lug joint 6 and the aperture of the mounting hole of the middle lug of the three-lug joint 4 are equal to the outer diameter of the bolt 1, and after connection, the bolt 1 penetrates through the first sliding bush 2 and the second sliding bush 12 and clamps the lower lug of the double-lug joint 6 and the middle lug of the three-lug joint 4 through the first sliding bush 2 and the second sliding bush 12.
Further, an adjusting washer 15 is also included, the adjusting washer 15 being disposed between the lower tab of the binaural joint 6 and the middle tab of the triceps joint 4.
Further, wear-resistant bushings are arranged between the first sliding bushing 2 and the upper lug mounting hole of the three-lug joint 4 and the upper lug mounting hole of the two-lug joint 6, between the middle lug mounting hole of the three-lug joint 4 and the lower lug mounting hole of the two-lug joint 6 and the bolt 1, and between the second sliding bushing 12 and the lower lug mounting hole of the three-lug joint 4.
Further, straight cylindrical bushings are arranged between the bolt 1 and middle lug mounting holes of the three-lug joint 4 and lower lug mounting holes of the two-lug joint 6.
Further, two bushings which are spliced in an opposite direction are arranged between the bolt 1 and the middle lug mounting hole of the three-lug joint 4 and the lower lug mounting hole of the two-lug joint 6.
Further, the middle ear thickness of the three-ear joint 4 is equal to both of the two ears of the two-ear joint 6, and the upper and lower ears of the three-ear joint 4 are equal in thickness and are half of the middle ear.
Has the advantages that:
the double-lug and three-lug joint sliding bush is connected, and the gap between the lugs is adjusted through the sliding bush, so that high-precision lug processing is not needed; during assembly, a gasket or a polishing bush is not required to be manufactured according to the field condition, so that the assembly difficulty is greatly simplified; the sliding bush is connected in a mode, the connecting bolt allows normal force fixing, and the fact that the lug plate is bent due to pressure in the lug plate surface caused by the bolt force fixing is not needed to be considered.
Drawings
Fig. 1 is a schematic view of a connection structure of a conventional double-lug and three-lug joint.
Fig. 2 is a schematic structural diagram of the present invention.
The bolt comprises a bolt 1, a first sliding bush 2, a first wear-resistant bush 3, a three-lug joint 4, a second wear-resistant bush 5, a two-lug joint 6, a third wear-resistant bush 7, a fourth wear-resistant bush 8, a fifth wear-resistant bush 9, a sixth wear-resistant bush 10, a seventh wear-resistant bush 11, a second sliding bush 12, a slotted nut 13, a split pin 14 and an adjusting washer 15.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 2, a double-lug three-lug joint sliding bush connecting structure according to an embodiment of the present invention includes: the bolt comprises a double lug joint 6, a three lug joint 4, a bolt 1, a first sliding bush 2 and a second sliding bush 12, wherein the inner diameter of the first sliding bush 2 is equal to the outer diameter of the bolt 1, and the outer diameter of the first sliding bush is equal to the diameter of an upper lug mounting hole of the three lug joint 4; the inner diameter of the second sliding bush 12 is equal to the outer diameter of the bolt 1 and the outer diameter is equal to the diameter of the lower lug mounting hole of the three-lug joint 4; the aperture of the mounting hole of the upper lug of the double-lug joint 6 is equal to the outer diameter of the first sliding bush 2, the aperture of the mounting hole of the lower lug of the double-lug joint 6 and the aperture of the mounting hole of the middle lug of the three-lug joint 4 are equal to the outer diameter of the bolt 1, and after connection, the bolt 1 penetrates through the first sliding bush 2 and the second sliding bush 12 and clamps the lower lug of the double-lug joint 6 and the middle lug of the three-lug joint 4 through the first sliding bush 2 and the second sliding bush 12.
Further, an adjusting washer 15 is also included, the adjusting washer 15 being disposed between the lower tab of the binaural joint 6 and the middle tab of the triceps joint 4.
Further, wear-resistant bushings are arranged between the first sliding bushing 2 and the upper lug mounting hole of the three-lug joint 4 and the upper lug mounting hole of the two-lug joint 6, between the middle lug mounting hole of the three-lug joint 4 and the lower lug mounting hole of the two-lug joint 6 and the bolt 1, and between the second sliding bushing 12 and the lower lug mounting hole of the three-lug joint 4.
Further, straight cylindrical bushings are arranged between the bolt 1 and middle lug mounting holes of the three-lug joint 4 and lower lug mounting holes of the two-lug joint 6.
Further, two bushings which are spliced in an opposite direction are arranged between the bolt 1 and the middle lug mounting hole of the three-lug joint 4 and the lower lug mounting hole of the two-lug joint 6.
Further, the middle ear thickness of the three-ear joint 4 is equal to both of the two ears of the two-ear joint 6, and the upper and lower ears of the three-ear joint 4 are equal in thickness and are half of the middle ear.
The assembly process is as follows: as shown in fig. 2, the first wear-resistant bush 3, the third wear-resistant bush 7, the fourth wear-resistant bush 8, and the seventh wear-resistant bush 11 are press-fitted into the three lug joint 4, the second wear-resistant bush 5, the fifth wear-resistant bush 9, the sixth wear-resistant bush 10 are press-fitted into the two lug joint 6, the first sliding bush 2 is in small clearance fit with the first wear-resistant bush 3 and the second wear-resistant bush 5, the second sliding bush 12 is in small clearance fit with the bush 11, and the bolt 1 is in small clearance fit with the first sliding bush 2, the second sliding bush 12, the third wear-resistant bush 7, the fourth wear-resistant bush 8, the fifth wear-resistant bush 9, the sixth wear-resistant bush 10. The bolt head extrudes the first sliding bush 2 in the screwing process of the slotted nut 13, and the first sliding bush 2 extrudes the three-lug joint to be attached to the double-lug joint in a sliding manner in the first wear-resistant bush 3 and the second wear-resistant bush 5; at the same time of the screwing process of the slotted nut 13, the nut presses the second sliding bush 12 to be attached to the double lug joint, wherein the positions of the double lug joint 6 and the three lug joint 4 are adjusted through the adjusting washer 15 (allowing a plurality of washers to be stacked), and the slotted nut 13 is fixed in a falling-off prevention mode through the split pin 14 after the fixed force is finished.
Claims (6)
1. A binaural three-lug joint sliding bush connection structure, characterized by comprising: the bolt comprises a double lug joint (6), a three lug joint (4), a bolt (1), a first sliding bush (2) and a second sliding bush (12), wherein the inner diameter of the first sliding bush (2) is equal to the outer diameter of the bolt (1) and the outer diameter of the first sliding bush is equal to the diameter of an upper lug mounting hole of the three lug joint (4); the inner diameter of the second sliding bush (12) is equal to the outer diameter of the bolt (1) and the outer diameter of the second sliding bush is equal to the diameter of a lower lug mounting hole of the three-lug joint (4); the hole diameter of an upper lug of the double-lug joint (6) is equal to the outer diameter of the first sliding bush (2), the hole diameter of a lower lug of the double-lug joint (6) and the hole diameter of a middle lug of the three-lug joint (4) are equal to the outer diameter of the bolt (1), and after connection, the bolt (1) penetrates through the first sliding bush (2) and the second sliding bush (12) and clamps the lower lug of the double-lug joint (6) and the middle lug of the three-lug joint (4) through the first sliding bush (2) and the second sliding bush (12).
2. The connection according to claim 1, further comprising an adjustment washer (15), the adjustment washer (15) being disposed between the lower tab of the binaural joint (6) and the middle tab of the trimodal joint (4).
3. The connection structure according to claim 1, wherein wear-resistant bushings are provided between the first sliding bushing (2) and the upper tab mounting hole of the three-tab joint (4) and the upper tab mounting hole of the two-tab joint (6), between the middle tab mounting hole of the three-tab joint (4) and the lower tab mounting hole of the two-tab joint (6) and the bolt (1), and between the second sliding bushing (12) and the lower tab mounting hole of the three-tab joint (4).
4. The connection structure according to claim 3, wherein a straight cylindrical bushing is provided between the bolt (1) and each of the middle tab mounting hole of the three-tab joint (4) and the lower tab mounting hole of the two-tab joint (6).
5. The connection structure according to claim 1, wherein two bushings are arranged between the bolt (1) and the middle lug mounting hole of the three-lug joint (4) and the lower lug mounting hole of the two-lug joint (6).
6. The connection according to claim 1, characterized in that the middle tab thickness of the three-tab joint (4) is equal to the thickness of both tabs of the two-tab joint (6), and the upper and lower tabs of the three-tab joint (4) are equal in thickness and are half of the middle tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281483.7U CN214404240U (en) | 2020-12-29 | 2020-12-29 | Double-lug three-lug joint sliding bush connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023281483.7U CN214404240U (en) | 2020-12-29 | 2020-12-29 | Double-lug three-lug joint sliding bush connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404240U true CN214404240U (en) | 2021-10-15 |
Family
ID=78042947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023281483.7U Active CN214404240U (en) | 2020-12-29 | 2020-12-29 | Double-lug three-lug joint sliding bush connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404240U (en) |
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2020
- 2020-12-29 CN CN202023281483.7U patent/CN214404240U/en active Active
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