CN-121993543-A - Shock-absorbing connection structure, radiator assembly and work machine

CN121993543ACN 121993543 ACN121993543 ACN 121993543ACN-121993543-A

Abstract

The invention relates to a shock absorption connecting structure, a radiator assembly and a working machine. The shock-absorbing connecting structure is used for connecting a radiator core to a frame, the frame comprises a first side plate and a second side plate which are oppositely arranged in the transverse direction, and a first through hole and a second through hole which are opposite to each other in the transverse direction are respectively formed in the first side plate and the second side plate. The damping connecting structure comprises a first damping component arranged at the first through hole and a second damping component arranged at the second through hole. The first shock absorbing assembly includes a first shock absorbing pad and the second shock absorbing assembly includes a second shock absorbing pad. The second damping component comprises an adapter plate, wherein the adapter plate covers the second through hole on the outer side of the first side plate and is provided with an adapting hole. The maximum outer diameter of the second shock pad is larger than the diameter of the adapting hole and smaller than the diameter of the second through hole. According to the shock absorption connecting structure, the adapter plate is added, so that the problem that the centering arrangement type shock absorber is difficult to assemble is solved, and the assembly efficiency of the radiator assembly is improved.

Inventors

WANG FEI
DONG LI
Xu longtan
LIU GENGXIN
TIAN GUOPING

Assignees

卡特彼勒公司

Dates

Publication Date: 20260508
Application Date: 20241106

Claims (13)

1. A shock-absorbing connection structure for connecting a radiator core (1) to a frame (2), the frame (2) comprises a first side plate (21) and a second side plate (22) which are oppositely arranged in the transverse direction, a first through hole (23) and a second through hole (24) which are mutually opposite in the transverse direction are respectively arranged on the first side plate (21) and the second side plate (22), the shock-absorbing connection structure comprises a first shock-absorbing component (3) arranged at the first through hole (23) and a second shock-absorbing component (4) arranged at the second through hole (24), the first shock-absorbing component (3) comprises a first shock-absorbing pad (32), the second shock-absorbing component (4) comprises a second shock-absorbing pad (42), The second shock absorbing assembly (4) is characterized by comprising an adapter plate (46), wherein the adapter plate (46) covers the second through hole (24) on the outer side of the first side plate (21) and is provided with an adapting hole (461), and the maximum outer diameter of the second shock absorbing pad (42) is larger than the diameter of the adapting hole (461) and smaller than the diameter of the second through hole (24).
2. The shock absorbing connection structure of claim 1, wherein the second shock absorbing pad (42) comprises an annular body portion and an axial extension extending axially outward from a radially inner end of the annular body portion, the axial extension having a first outer diameter, the annular body portion having a second outer diameter that is greater than the first outer diameter and is the maximum outer diameter dimension.
3. The shock absorbing connection according to claim 2, wherein the diameter of the adapter hole (461) is substantially equal to the first outer diameter.
4. The shock absorbing connection according to claim 2, wherein the adapter plate (46) has a thickness substantially equal to the extension of the axial extension of the second shock absorbing pad (42).
5. The shock absorbing connection according to any one of claims 1 to 4, wherein the diameter of the first through hole (23) is smaller than the maximum outer diameter dimension of the first shock absorbing pad (32), and the radiator core (1) has a columnar structure for mounting the second shock absorbing pad (42), the outer diameter of the columnar structure being smaller than the diameter of the second through hole (24).
6. The shock absorbing connection structure according to any one of claims 1 to 4, wherein the adapter plate (46) is further provided with a mounting hole through which a mounting bolt (5) passes to fix the adapter plate (46) to the outside of the second side plate (22).
7. The shock absorbing connection according to any one of claims 1 to 4, wherein the first shock absorbing assembly (3) further comprises a first steel sleeve (31), the first shock absorbing pad (32) is sleeved onto the first steel sleeve (31), the second shock absorbing assembly (4) further comprises a second steel sleeve (41), and the second shock absorbing pad (42) is sleeved onto the second steel sleeve (41).
8. The shock absorbing connection according to any one of claims 1 to 4, wherein the first shock absorbing assembly (3) further comprises a third shock absorbing pad (35) disposed axially outward of the first side plate (21), and the second shock absorbing assembly (4) further comprises a fourth shock absorbing pad (45) disposed axially outward of the adapter plate (46).
9. The shock absorbing connection structure according to claim 8, wherein the third shock absorbing pad (35) and the first shock absorbing pad (32) are of a split structure or integrally formed, and the fourth shock absorbing pad (45) and the second shock absorbing pad (42) are of a split structure or integrally formed.
10. The shock absorbing connection according to any one of claims 1 to 4, wherein the first shock absorbing assembly (3) further comprises a first bolt (33) for securing the first shock absorbing pad (32) to the radiator core (1), the second shock absorbing assembly (4) further comprises a second bolt (43) for securing the second shock absorbing pad (42) to the radiator core (1), the second bolt (43) passing through the fitting hole (461) on the adapter plate (46).
11. The shock absorbing connection according to any one of claims 1 to 4, wherein the first shock absorbing assembly (3) comprises a further adapter plate covering the first through hole (23) outside the first side plate (21) and having a further adapter hole, the largest outer diameter dimension of the first shock absorbing pad (32) being larger than the diameter of the further adapter hole and smaller than the diameter of the first through hole (23).
12. A heat sink assembly, characterized in that it comprises a heat sink core (1), a frame (2) and one or more shock absorbing connection structures according to any one of claims 1 to 11, which connect the heat sink core (1) to the frame (2).
13. A work machine comprising a heat sink assembly according to claim 12.

Description

Shock-absorbing connection structure, radiator assembly and work machine Technical Field The invention relates to the technical field of radiator installation, in particular to a shock absorption connecting structure, a radiator assembly comprising the shock absorption connecting structure and a working machine comprising the radiator assembly. Background During operation of work machines such as loaders, excavators, road rollers, and the like, equipment such as engines may generate a significant amount of heat, which may accumulate to create high temperatures that may cause equipment failure. To ensure proper and stable operation of the equipment, the work machine needs to be provided with a radiator to cool the equipment quickly and effectively. Heat sinks on work machines typically include a core and a frame. Conventional radiator cores are often connected to the frame by rigid connection structures. Such connection structure may make the vibrations of work machine during operation directly transmit to the radiator core, and the radiator core appears leaking the liquid phenomenon easily under the long-term circumstances of receiving vibrations, influences the life of radiator. It has been proposed to add a shock absorbing mechanism between the radiator core and the frame. For example, opposite sides of the radiator core are provided with mounting holes at corresponding positions, respectively, and fasteners are connected to the mounting holes of the radiator core through holes of the two side plates of the frame, respectively, to fix the shock absorber between the frame and the radiator core at both sides. Such a centrally arranged shock absorber has a problem of difficult installation. Disclosure of Invention The present invention is directed to solving at least one of the problems discussed above and/or other problems in the prior art. In order to achieve the above object, according to one aspect of the present invention, there is provided a shock absorbing connection structure for connecting a radiator core to a frame including first and second side plates disposed opposite to each other in a lateral direction, the first and second side plates being provided with first and second through holes, respectively, which are opposite to each other in the lateral direction. The damping connection structure comprises a first damping component arranged at the first through hole and a second damping component arranged at the second through hole. The first shock absorbing assembly includes a first shock absorbing pad and the second shock absorbing assembly includes a second shock absorbing pad. The second damping component comprises an adapter plate, and the adapter plate covers the second through hole on the outer side of the first side plate and is provided with an adapting hole. The maximum outer diameter of the second shock pad is larger than the diameter of the adapting hole and smaller than the diameter of the second through hole. According to an embodiment of the present invention, the second shock pad includes an annular main body portion and an axial extension portion extending axially outward from a radially inner end of the annular main body portion. The axial extension has a first outer diameter. The annular body portion has a second outer diameter that is greater than the first outer diameter and is the maximum outer diameter dimension. According to an embodiment of the invention, the diameter of the adapter hole is substantially equal to the first outer diameter. According to an embodiment of the invention, the thickness of the adapter plate is substantially equal to the extension length of the axial extension of the second shock pad. According to an embodiment of the present invention, the diameter of the first through hole is smaller than the maximum outer diameter size of the first shock pad, and the radiator core has a columnar structure for mounting the second shock pad, and the outer diameter of the columnar structure is smaller than the diameter of the second through hole. According to one embodiment of the invention, the adapter plate is further provided with a mounting hole, and a mounting bolt passes through the mounting hole to fix the adapter plate on the outer side of the second side plate. According to an embodiment of the present invention, the first shock absorbing assembly further comprises a first steel sleeve, the first shock absorbing pad is sleeved on the first steel sleeve, the second shock absorbing assembly further comprises a second steel sleeve, and the second shock absorbing pad is sleeved on the second steel sleeve. According to an embodiment of the present invention, the first shock absorbing assembly further includes a third shock absorbing pad disposed axially outward of the first side plate, and the second shock absorbing assembly further includes a fourth shock absorbing pad disposed axially outward of the adapter plate. According to an embodiment of the present inve