CN213199392U - Cross connection square body and swing arm for axle with cross connection square body - Google Patents
Cross connection square body and swing arm for axle with cross connection square body Download PDFInfo
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- CN213199392U CN213199392U CN202022080846.4U CN202022080846U CN213199392U CN 213199392 U CN213199392 U CN 213199392U CN 202022080846 U CN202022080846 U CN 202022080846U CN 213199392 U CN213199392 U CN 213199392U
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- rubber sleeve
- hole
- swing arm
- cross
- square body
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Abstract
The utility model relates to a special-purpose vehicle field, concretely relates to square body is connected to cross and has swing arm for axle of square body is connected to cross, and the square body is connected to above-mentioned cross is provided with alternately and is criss-cross first through-hole and second through-hole including being square connection subject in the connection subject. The first rubber sleeve is arranged in the first through hole, the second through hole is divided into a left pin groove and a right pin groove by the first rubber sleeve, the left pin groove and the right pin groove are respectively provided with the second rubber sleeve, the pin shaft is connected in the second rubber sleeve in a rotating mode, the first rubber sleeve or the second rubber sleeve can reduce abrasion of a connecting portion between the balance beam assembly and the swing arm, and when the first rubber sleeve or the second rubber sleeve is excessively abraded and damaged, the first rubber sleeve or the second rubber sleeve can be maintained in a replacement mode. Above-mentioned swing arm for axle, two round pin axles of cross connection square body are connected respectively in the bull eye of swing arm. When the balance beam assembly is used specifically, the rotary circular shafts at the two ends of the balance beam assembly are inserted into the first rubber sleeve, stress on all parts of the rotary circular shafts is more uniform, no obvious stress concentration point exists, and fatigue strength and stress strength can be improved.
Description
Technical Field
The utility model relates to a swing arm is used to the axle, hinge connection portion on concretely relates to swing arm is used to the axle and installs hinge connection portion's swing arm.
Background
And the swing arm for the vehicle axle is used for connecting the two vehicle axles. The swing arm is arranged between adjacent axles of the existing trailer bodies such as a trailer and a tank car, the balance beam assembly is further arranged on the axles, the outer end of the balance beam assembly is provided with a rotary round shaft, and the rotary round shaft is hinged on the swing arm through a hinge connecting part.
The swing arm for the existing axle is connected with the balance beam assembly and the swing arm through a conventional hinge, the hinge connection portion between the balance beam assembly and the swing arm is stressed greatly and is easy to wear, and when the hinge connection portion is worn and damaged excessively, the hinge connection portion needs to be replaced integrally.
SUMMERY OF THE UTILITY MODEL
The utility model provides a square body is connected to cross and have swing arm for axle of square body is connected to cross to solve following problem: according to the swing arm for the existing axle, the hinge connection portion between the balance beam assembly and the swing arm is stressed greatly and is easy to wear, and when the hinge connection portion is worn and damaged excessively, the hinge connection portion needs to be replaced integrally.
The utility model provides a cross connection square body, this cross connection square body are used for connecting the main part of compensating beam assembly and swing arm, and this cross connection square body is including being square connection subject, be provided with first through-hole and second through-hole in the connection subject, first through-hole and second through-hole alternately are the cross. The first through hole is internally provided with a first rubber sleeve in a circular ring shape, the first rubber sleeve divides the second through hole into a left pin groove and a right pin groove, the left pin groove and the right pin groove are respectively provided with a second rubber sleeve in a circular ring shape, a pin shaft is rotationally connected in the second rubber sleeve, and the pin shaft extends out of the left pin groove and the right pin groove respectively.
Preferably, a protruding ring is arranged at the front end of the first through hole, the first rubber sleeve extends into the first through hole from the rear end of the first through hole, and the protruding ring is abutted to the front end of the first rubber sleeve.
Preferably, an oil delivery port is arranged at a position where the first rubber sleeve is communicated with the left pin groove and/or the right pin groove, a spiral oil distribution groove is further arranged on the inner wall of the first rubber sleeve, and the oil distribution groove extends to the oil delivery port.
Preferably, an oil conveying pipeline is arranged on the pin shaft and communicated with the oil conveying opening.
Preferably, a through-type pressure injection oil cup is arranged at an opening at the outer end of the oil conveying pipeline, and an oil cup cover is arranged on the through-type pressure injection oil cup.
The invention also provides a swing arm for an axle, wherein the two ends of the swing arm are respectively provided with the cross-shaped connecting square bodies; two ends of the swing arm are respectively provided with two rotating holes which are distributed oppositely, and two pin shafts of the cross-shaped connecting square body are respectively connected in the rotating holes; and a rotary round shaft of the balance beam assembly is rotationally connected in the first rubber sleeve.
Preferably, the two ends of the swing arm are provided with U-shaped plates, each U-shaped plate comprises a bottom plate and two vertical plates, the two vertical plates are arranged in parallel, and the two oppositely-distributed rotating holes are respectively formed in the two vertical plates. A screw rod is further arranged between the two parallel vertical plates, and the cross-shaped connecting square body is clamped into a frame formed by the U-shaped plate and the screw rod in a surrounding mode.
Still preferably, the bottom plate is frame-shaped.
The utility model provides a cross connects square body and has swing arm for axle of cross connection square body compares with prior art, has following beneficial technological effect:
the cross connection square body is used for connecting the main bodies of the balance beam assembly and the swing arm, when the cross connection square body is used specifically, the rotary round shafts at two ends of the balance beam assembly are inserted into the first rubber sleeve, and the two pin shafts are used as rotary shafts and are rotatably connected to the swing arm for the axle.
Above-mentioned cross connection cube plays the effect of connecting compensating beam assembly and swing arm, compares with the rotatory round axle at compensating beam assembly both ends directly articulates in the swing arm, and each position atress of rotatory round axle is more even, and does not have obvious stress concentration point, can improve the mechanical strength of compensating beam assembly and swing arm junction, improves fatigue strength and stress strength.
The cross-shaped connecting square body is connected with the balance beam assembly and the swing arm, a first rubber sleeve in a circular ring shape is arranged in the first through hole, a second rubber sleeve is arranged in the second through hole, and the rotating circular shaft is in contact with the first rubber sleeve in the rotating process of the rotating circular shaft of the balance beam assembly, so that the friction abrasion between the rotating circular shaft and the inner wall of the first through hole can be avoided; when the pin shaft and the second through hole relatively rotate, the pin shaft is in contact with the second rubber sleeve, and friction and abrasion between the pin shaft and the inner wall of the second through hole can be avoided. In addition, when the first rubber sleeve or the second rubber sleeve is excessively worn and damaged, the maintenance can be carried out in a mode of replacing the first rubber sleeve or the second rubber sleeve, and the main body structure of the cross-shaped connecting square body does not need to be replaced.
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.
It is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings may be derived from the structure shown in the drawings by those skilled in the art without the exercise of inventive faculty.
Fig. 1 is a schematic side view of a swing arm for an axle with a cross connecting cube in embodiment 2 of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1 according to embodiment 2 of the present invention, which shows a horizontal sectional view of a cross-shaped connection cube according to embodiment 1.
Fig. 3 is a sectional view B-B of fig. 1 according to embodiment 2 of the present invention, which shows a cross-connecting cube in embodiment 1 in a vertical sectional view.
Fig. 4 is a schematic perspective view of a U-shaped plate in embodiment 2 of the present invention.
Fig. 5 is a top view of a U-shaped plate according to embodiment 2 of the present invention.
Fig. 6 is a schematic perspective view of a cross-shaped connection cube in embodiment 1 of the present invention.
| Reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
10 | First through |
| 2 | |
101 | |
| 3 | Cross-shaped connection cube | 11 | Second through |
| 4 | Threaded |
111 | |
| 5 | |
12 | |
| 6 | Straight-through type pressure |
121 | |
| 7 | |
13 | |
| 8 | Screw rod | ||
| 9 | Hexagon nut |
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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Example 1
The present embodiment provides a cross connecting square body 3, the cross connecting square body 3 is used for connecting the balance beam assembly and the main body of the swing arm 1, as shown in fig. 6, the cross connecting square body 3 comprises a connecting main body in a square shape, and in the present embodiment, the connecting main body is made of steel. The connecting body is provided with a first through hole 10 and a second through hole 11, and the first through hole 10 and the second through hole 11 are crossed and form a cross shape. In this embodiment, the first through hole 10 extends from the front side to the rear side of the connecting body, and the second through hole 11 extends from the left side to the right side of the connecting body. Be provided with in the first through-hole 10 and be annular first gum cover 101, first gum cover 101 will second through-hole 11 is separated for left keyway and right keyway, left keyway with right keyway is provided with respectively and is annular second gum cover 111. As shown in fig. 2 and fig. 3, a pin shaft 2 is rotatably connected in the second rubber sleeve 111, and the two pin shafts 2 respectively extend out of the left pin groove and the right pin groove.
Above-mentioned square body 3 is connected to cross when connecting the main part of compensating beam assembly and swing arm 1, and the rotatory round axle of compensating beam assembly outer end inserts in first gum cover 101 to at first gum cover 101 internal rotation, its rotation process and first gum cover 101 contact friction can avoid rotatory round axle and the inner wall frictional wear of first through-hole 10. In addition, the pin shaft 2 is inserted into the second rubber sleeve 111, and the cross-shaped connection square body 3 is rotatably connected with the swing arm 1 through the pin shaft 2, wherein the inner side of the pin shaft 2 is inserted into the second rubber sleeve 111, the other side of the pin shaft is inserted into the rotary hole of the swing arm 1, the pin shaft 2 is rotatably connected with the rotary hole of the swing arm 1 or the second rubber sleeve 111, so that the cross-shaped connection square body 3 can rotate on the swing arm 1 by taking the pin shaft 2 as a central shaft, in the embodiment, the pin shaft 2 is fixed on the swing arm 1 through the threaded bolt 4, then the second rubber sleeve 111 is rotatably inserted, and the threaded bolt 4 is further provided with the gasket 5.
Specifically, in this embodiment, in order to prevent the first rubber sleeve 101 from being separated from the first through hole 10, a protruding ring is disposed at the front end of the first through hole 10, the first rubber sleeve 101 extends into the first through hole 10 from the rear end of the first through hole 10, and the front end of the first rubber sleeve 101 abuts against the protruding ring. It should be noted that the front end and the rear end are only for convenience of description, the relative position is limited, and the front and rear positions are not specifically indicated, the front end may be any end of the first through hole 10, and when any end is designated as the front end, the other end is the rear end.
Specifically, in order to reduce the frictional resistance of the rotating circular shaft in the first rubber sleeve 101, lubricating oil may be injected into the first rubber sleeve 101, for this reason, an oil delivery port is disposed at a position where the first rubber sleeve 101 is communicated with the left pin groove and/or the right pin groove, and a spiral oil distribution groove is further disposed on the inner wall of the first rubber sleeve 101 and extends to the oil delivery port.
More specifically, in order to input the lubricating oil to the oil delivery port, the present embodiment also provides the following: an oil conveying pipeline is arranged on the pin shaft 2 and communicated with the oil conveying opening.
More specifically, as shown in fig. 2 and 3, a straight-through type pressure filling oil cup 6 is arranged at an opening at the outer end of the oil pipeline, and an oil cup cover 7 is arranged on the straight-through type pressure filling oil cup 6.
Example 2
In the present embodiment, as shown in fig. 1 to 5, the cross-shaped connecting square bodies 3 are respectively disposed at two ends of the swing arm 1, and when the swing arm is used specifically, the rotating circular shaft at the outer end of the balance beam assembly is inserted into the first rubber sleeve 101 of the cross-shaped connecting square body 3. In this embodiment, two ends of the swing arm 1 are respectively provided with two rotation holes which are distributed oppositely, and two pin shafts 2 of the cross-shaped connection cube 3 are respectively connected in the rotation holes; and a rotating round shaft of the balance beam assembly is rotationally connected in the first rubber sleeve 101.
Specifically, in this embodiment, the swing arm 1 is connected to the cross-shaped connecting square body 3 through U-shaped plates, and the U-shaped plates are two and located at two ends of the swing arm 1 respectively. As shown in fig. 4 and 5, the U-shaped plate includes a bottom plate 12 and two vertical plates 13, the two vertical plates 13 are disposed in parallel, and two oppositely distributed rotation holes are respectively disposed on the two vertical plates 13. When the vertical plate connecting device is used specifically, the two pin shafts 2 of the cross-shaped connecting square body 3 are inserted into the rotary holes in the vertical plate 13 respectively, and the cross-shaped connecting square body 3 is connected with the vertical plate 13 through the pin shafts 2. A screw 8 is further arranged between the two parallel vertical plates 13, the cross connecting square body 3 is clamped into a frame formed by the U-shaped plate and the screw 8, and the screw 8 is arranged for limiting the cross connecting square body 3 from excessively rotating or separating.
More specifically, in the present embodiment, as shown in fig. 5, the bottom plate 12 is in a frame shape, and it should be noted that, the bottom plate 12 is in a frame shape, which means that a hole is formed in the middle of the bottom plate 12, as shown in fig. 5, the hole may be a square hole 121, and the weight of the swing arm 1 can be reduced by the arrangement of the hole.
Of course, the above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all are in the utility model discloses a under the design, utilize the equivalent structure transform that the content of the description and the attached drawings did, or direct/indirect application all includes in other relevant technical fields the utility model discloses a protection within the scope should be received to the reason.
Claims (8)
1. A cross-shaped connecting cube, which is characterized in that,
the connecting device comprises a square connecting main body, wherein a first through hole and a second through hole are formed in the connecting main body, and the first through hole and the second through hole are crossed and form a cross shape;
the first through hole is internally provided with a first rubber sleeve in a circular ring shape, the first rubber sleeve divides the second through hole into a left pin groove and a right pin groove, the left pin groove and the right pin groove are respectively provided with a second rubber sleeve in a circular ring shape, a pin shaft is rotationally connected in the second rubber sleeve, and the pin shaft extends out of the left pin groove and the right pin groove respectively.
2. The cruciform attachment cube of claim 1,
the front end of the first through hole is provided with a protruding ring, the first rubber sleeve extends into the first through hole from the rear end of the first through hole, and the front end of the first rubber sleeve is abutted to the protruding ring.
3. The cruciform attachment cube of claim 1,
the first rubber sleeve is provided with an oil delivery port at a position communicated with the left pin groove and/or the right pin groove, and the inner wall of the first rubber sleeve is also provided with a spiral oil distribution groove which extends to the oil delivery port.
4. The cruciform attachment cube of claim 3,
an oil conveying pipeline is arranged on the pin shaft and communicated with the oil conveying opening.
5. The cruciform attachment cube of claim 4,
the oil delivery pipeline is characterized in that a straight-through type pressure injection oil cup is arranged at an opening at the outer end of the oil delivery pipeline, and an oil cup cover is arranged on the straight-through type pressure injection oil cup.
6. A swing arm for an axle is characterized in that,
the cross-shaped connecting square body as claimed in any one of claims 1 to 5 is respectively arranged at two ends of the swing arm; two ends of the swing arm are respectively provided with two rotating holes which are distributed oppositely, and two pin shafts of the cross-shaped connecting square body are respectively connected in the rotating holes;
and a rotary round shaft of the balance beam assembly is rotationally connected in the first rubber sleeve.
7. The swing arm for an axle according to claim 6,
the two ends of the swing arm are provided with U-shaped plates, each U-shaped plate comprises a bottom plate and two vertical plates, the two vertical plates are arranged in parallel, and two oppositely distributed rotating holes are respectively formed in the two vertical plates;
a screw rod is further arranged between the two parallel vertical plates, and the cross-shaped connecting square body is clamped into a frame formed by the U-shaped plate and the screw rod in a surrounding mode.
8. The swing arm for an axle according to claim 7,
the bottom plate is in a frame shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080846.4U CN213199392U (en) | 2020-09-19 | 2020-09-19 | Cross connection square body and swing arm for axle with cross connection square body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080846.4U CN213199392U (en) | 2020-09-19 | 2020-09-19 | Cross connection square body and swing arm for axle with cross connection square body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213199392U true CN213199392U (en) | 2021-05-14 |
Family
ID=75822801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022080846.4U Active CN213199392U (en) | 2020-09-19 | 2020-09-19 | Cross connection square body and swing arm for axle with cross connection square body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213199392U (en) |
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2020
- 2020-09-19 CN CN202022080846.4U patent/CN213199392U/en active Active
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