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CN-224227881-U - Bulldozer heat radiation structure for sand working condition

CN224227881UCN 224227881 UCN224227881 UCN 224227881UCN-224227881-U

Abstract

The utility model provides a bulldozer heat radiation structure for a sand working condition, which belongs to the technical field of radiators and comprises a heat radiation core component and a protection structure, wherein the protection structure comprises a wind scooper, a protection net, a front grid net arranged on the front side of the heat radiation core component and a rear grid net arranged on the rear side of the heat radiation core component, and the protection net, the front grid net and the rear grid net isolate the heat radiation core component from sand entering the bulldozer. The heat radiation structure provided by the utility model effectively isolates sand and protects the heat radiation core body component.

Inventors

  • FAN WEIYAN
  • CHI XUN
  • GE TAO
  • LI MENGNAN

Assignees

  • 柳工常州机械有限公司

Dates

Publication Date
20260512
Application Date
20250519

Claims (10)

  1. 1. A bulldozer heat radiation structure for a sand working condition is characterized in that the heat radiation structure (100) comprises a heat radiation core body assembly (1) and a protection structure (2), wherein the protection structure (2) comprises a wind scooper (21), a protection net (22), a front grid net (23) arranged on the front side of the heat radiation core body assembly (1) and a rear grid net (24) arranged on the rear side of the heat radiation core body assembly (1).
  2. 2. The bulldozer cooling structure for sand working conditions according to claim 1, wherein the cooling core assembly (1) comprises a hydraulic oil radiator (11), an engine water radiator (12), a chassis oil radiator (13) and an intercooler (14), connecting plates (15) are arranged on the upper side and the lower side of the hydraulic oil radiator (11), the engine water radiator (12), the chassis oil radiator (13) and the intercooler (14), the hydraulic oil radiator (11), the engine water radiator (12), the chassis oil radiator (13) and the intercooler (14) are fixedly connected through the connecting plates (15), a reinforcing piece (16) is arranged on the outer side of the connecting plates (15), the reinforcing piece (16) is used for fixedly reinforcing the connecting plates (15), and side plates (17) are arranged on the outer sides of the hydraulic oil radiator (11) and the intercooler (14).
  3. 3. The bulldozer cooling structure for sand working conditions according to claim 2, wherein a hydraulic oil inlet (111) is formed in the upper end of the hydraulic oil radiator (11), a hydraulic oil outlet (112) is formed in the lower end of the hydraulic oil radiator (11), an engine water cooling water inlet (121) is formed in the upper end of the engine water radiator (12), an engine water cooling water outlet (122) is formed in the lower end of the engine water radiator (12), a chassis oil inlet (131) is formed in the upper end of the chassis oil radiator (13), a chassis oil outlet (132) is formed in the lower end of the chassis oil radiator (13), an intercooler air inlet (141) is formed in the lower end of the intercooler air radiator (14), and an intercooler air outlet (142) is formed in the lower end of the intercooler air radiator (14).
  4. 4. The bulldozer cooling structure for a sand working condition according to claim 2, wherein the air guide cover (21) is provided on the front side of the front grille (23), the protection net (22) is provided on the front side of the air guide cover (21), and the protection net (22), the front grille (23) and the rear grille (24) are fixed on the side plate (17) by bolts.
  5. 5. The bulldozer cooling structure for sand working conditions according to claim 1, wherein a wind scooper mounting hole (211), a protective screen mounting hole (212) and a wind passing hole (213) are formed in the wind scooper (21), the wind scooper mounting hole (211) is formed in the front side of the wind scooper (21), the protective screen mounting hole (212) is formed in the left side and the right side of the wind scooper (21), the wind passing hole (213) is formed in the front side of the wind scooper (21), and the wind scooper mounting hole (211) is arranged around the wind passing hole (213).
  6. 6. The bulldozer cooling structure for sand working conditions according to claim 5, wherein the protection net (22) comprises a main rib (221), an auxiliary rib (222), a fixing rib (223) and a connecting piece (224), the auxiliary rib (222) and the fixing rib (223) are arranged on the rear side surface of the main rib (221), the connecting piece (224) is fixed on the front side surface of the main rib (221), a fixing hole (2241) is formed in the connecting piece (224), and a bolt penetrates through the fixing hole (2241) to fix the protection net (22).
  7. 7. The bulldozer cooling structure for a sand working condition according to claim 6, wherein the fixing rib (223) is bent to form a fixing leg (2231), and bolts pass through the fixing leg (2231) and the air guide cover mounting holes (211) to fix the protection net (22) on the air guide cover (21).
  8. 8. The bulldozer cooling structure for a sand working condition according to claim 1, wherein said cooling structure (100) further includes a ventilation assembly (3), said ventilation assembly (3) being fixed to said heat dissipation core assembly (1).
  9. 9. The bulldozer cooling structure for a sand working condition according to claim 8, wherein the ventilation assembly (3) comprises a fan (31), a fan motor (32) and a bracket (33), the fan (31) is arranged at the rear side of the protection net (22), the fan motor (32) is arranged at the front side of the protection net (22), and the fan (31) and the fan motor (32) are fixed on the bracket (33).
  10. 10. The bulldozer cooling structure for sand working conditions according to claim 9, wherein the bracket (33) comprises a fan bracket (331) and a bracket seat (332), a motor fixing seat (3311) is arranged on the fan bracket (331), the motor fixing seat (3311) is used for fixing the fan (31) and the fan motor (32), a supporting piece (3321) is arranged on the bracket seat (332), and the supporting piece (3321) is used for supporting and fixing the fan bracket (331).

Description

Bulldozer heat radiation structure for sand working condition Technical Field The utility model relates to the technical field of radiators, in particular to a radiating structure of a bulldozer for a sand working condition. Background During the operation of engineering machinery such as bulldozers, the heat dissipation core assembly is used as a key component, and the performance and the integrity of the heat dissipation core assembly are directly related to the stability and the service life of equipment. However, the operation environment is complex and changeable, and foreign matters such as sand and stone are frequently splashed, so that serious threat is formed to the heat dissipation core assembly. In the prior art, some bulldozers are equipped with a certain protection measure for a radiator, but many defects exist in the measures. Many protector simple structure only possesses basic physical isolation function, can't effectively block the impact of the grit that splashes at a high speed to heat dissipation core subassembly. For example, some designs that only use a single layer of protection net are prone to deformation and damage due to uneven stress during sand and stone impact, resulting in failure of protection. In addition, these protective structure often neglect the balance between ventilation heat dissipation and the protective properties, in order to strengthen the protection and excessively seal the heat dissipation core subassembly for ventilation is unsmooth, and the radiating effect is discounted greatly, influences the normal work of heat dissipation core subassembly, and long-term the life of heat dissipation core subassembly that can reduce increases equipment maintenance cost, probably even causes equipment trouble because of the heat dissipation is bad, influences the operating efficiency and the security of bulldozer. The problem needs to be solved, so the utility model provides a bulldozer heat dissipation structure for a sand working condition. Disclosure of utility model The utility model aims to solve the technical problem of providing the heat dissipation structure which can effectively isolate sand and stone, protect the heat dissipation core assembly and ensure good ventilation and heat dissipation performance. The technical scheme includes that the radiating structure of the bulldozer for the sand working condition comprises a radiating core component and a protective structure, wherein the protective structure comprises a wind scooper, a protective net, a front grid net arranged on the front side of the radiating core component and a rear grid net arranged on the rear side of the radiating core component. Preferably, the radiating core assembly comprises a hydraulic oil radiator, an engine water radiator, a chassis oil radiator and an intercooler, wherein connecting plates are arranged on the upper side and the lower side of the hydraulic oil radiator, the engine water radiator, the chassis oil radiator and the intercooler, the connecting plates are fixedly connected with the hydraulic oil radiator, the engine water radiator, the chassis oil radiator and the intercooler, reinforcing pieces are arranged on the outer sides of the connecting plates and used for fixedly reinforcing the connecting plates, and side plates are arranged on the outer sides of the hydraulic oil radiator and the intercooler. Preferably, the hydraulic oil radiator upper end is equipped with the hydraulic oil inlet, the hydraulic oil radiator lower extreme is equipped with the hydraulic oil outlet, the engine water radiator upper end is equipped with engine water cooling water inlet, the engine water radiator lower extreme is equipped with engine water cooling delivery port, chassis oil radiator upper end is equipped with chassis oil inlet, chassis oil radiator lower extreme is equipped with chassis oil outlet, the intercooler lower extreme is equipped with the intercooler air inlet, the intercooler lower extreme is equipped with the intercooler gas outlet. Preferably, the wind scooper is arranged at the front side of the front grid mesh, the protection net is arranged at the front side of the wind scooper, and the protection net, the front grid mesh and the rear grid mesh are fixed on the side plates through bolts. Preferably, the wind scooper is provided with a wind scooper mounting hole, a protective net mounting hole and a wind passing hole, the wind scooper mounting hole is arranged on the front side of the wind scooper, the protective net mounting hole is arranged on the left side and the right side of the wind scooper, the wind passing hole is arranged on the front side of the wind scooper, and the wind scooper mounting hole surrounds the wind passing hole. Preferably, the protection network comprises a main rib, an auxiliary rib, a fixing rib and a connecting piece, wherein the auxiliary rib and the fixing rib are arranged on the rear side surface of the main rib, the connecting piece is fix