WO2008138206A1 - Dispositif de commande pour essieu arrière de chargeur - Google Patents

Dispositif de commande pour essieu arrière de chargeur Download PDF

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Publication number
WO2008138206A1
WO2008138206A1 PCT/CN2008/000658 CN2008000658W WO2008138206A1 WO 2008138206 A1 WO2008138206 A1 WO 2008138206A1 CN 2008000658 W CN2008000658 W CN 2008000658W WO 2008138206 A1 WO2008138206 A1 WO 2008138206A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydraulic motor
rear axle
gear
cone
drive
Prior art date
Application number
PCT/CN2008/000658
Other languages
English (en)
Chinese (zh)
Inventor
Henglin Xiao
Original Assignee
Wuxi Kipor Power Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Kipor Power Co., Ltd. filed Critical Wuxi Kipor Power Co., Ltd.
Publication of WO2008138206A1 publication Critical patent/WO2008138206A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/186—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with full-face force-applying member, e.g. annular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure

Definitions

  • the present invention relates to a rear axle drive of a loader, and more particularly to a rear axle drive for a four-wheel drive loader, and belongs to the technical field of construction machinery.
  • a planetary reduction mechanism is provided on the rear axle and a differential output shaft is provided on the rear axle Travel drive for hand brake wheel loaders.
  • the hydraulic wet multi-plate brake is inserted at the outer end of the transverse box portion of the differential case, and the external gear is engaged on the gear portion of the output shaft end of the differential, and the planetary gear that is engaged with the ring gear is internally connected, and the support is freely rotatable.
  • a planetary reduction mechanism is formed on the carrier on the rear axle, and the ring gear is sandwiched and integrated by the axle box and the horizontal box portion.
  • the differential case is equipped with a brake and is connected to the axle box through a ring gear, so that the internal space can be effectively utilized and the degree of freedom and durability of the planetary reduction mechanism can be improved.
  • the brake is mounted on the axle and disposed in the differential case.
  • the complexity of manufacturing the component is improved, and the manufacturing cost is expensive.
  • the brake is set on the axle, if the damage is not good for repair, remove the hydraulic motor, remove the drive shaft, remove the hydraulic motor reducer, and finally remove the differential of the transmission bridge to perform maintenance.
  • the general brake maintenance is also Inconvenient to carry out, maintenance costs are high, and professional maintenance personnel are required to carry out.
  • the object of the present invention is to overcome the above-mentioned deficiencies, and to provide a rear axle driving device for a loader, which can provide driving force or braking force to a driving device through a rear axle cone driving gear shaft when the wheel loader is driving or parking.
  • the rear axle assembly of the invention adopts a wheel axle box body coupled to the left and right sides of the main reduction gear box, and the front end of the main reduction gear box body is coupled with a hydraulic motor reduction gear box assembly, and the hydraulic motor reduction gear box assembly is composed of a hydraulic motor reduction gear box upper cover and a hydraulic motor reduction gear box base.
  • the housing, the variable hydraulic motor or the quantitative hydraulic motor is mounted on the end face of the hydraulic motor reducer base, and the hydraulic motor is driven by the front end of the motor output shaft.
  • Gear, and transmission driven gear passive gear transmission rear axle cone drive gear shaft; rear axle cone drive gear shaft installed in the center of hydraulic motor reducer assembly, one end of rear axle cone drive gear shaft connected to drive rear axle hydraulic motor reducer assembly
  • the bridge cone drive gear, and meshes the rear axle cone driven gear, the rear axle cone driven gear is mounted on the rear axle differential case, and the rear axle differential case is equipped with a differential cone gear pair in the middle, and is provided with a difference a speed output shaft, an internal gear mounted on the output shaft end of the differential meshing planetary gear, the planetary gear being disposed on the planetary carrier, wherein the hydraulic motor reduction gear base is opposite to the side of the upper cover of the hydraulic motor reduction gearbox
  • a protruding positioning ring is arranged on the top, and the center of the positioning ring is provided with at least one bearing seat concentric with the positioning ring.
  • the positioning ring is provided with a sealing groove.
  • a bolt hole is arranged on the circumference of the positioning ring protruding from the base of the hydraulic motor reduction box.
  • the invention has the advantages of simple structure, compactness and reasonableness; the brake is arranged on the rear axle cone drive gear shaft, so that the front axle differential and the rear axle differential can rotate synchronously; can be passed on the wheel loader when driving or parking
  • the rear axle cone drive gear shaft provides driving or braking force to the drive unit; the sealing performance is good, the structure is compact, the design freedom of the loader is increased, the reliability is high, the manufacturing cost is low, and the maintenance is convenient.
  • Figure 1 is a schematic view showing the structure of the present invention.
  • FIG. 2 is a schematic structural view of a rear axle assembly of the present invention.
  • the invention mainly consists of 1. variable hydraulic motor or quantitative hydraulic motor, 2. hydraulic motor reducer upper cover, 3. hydraulic motor reducer base, 4. brake base, 5. brake seat upper cover, 6. bolt, 7. after Bridge cone drive gear shaft, 8. bolt, 9. wheel axle, 10. wheel axle housing, 11. planetary carrier, 12. internal gear, 13. differential output shaft, 14. rear axle differential housing 15. Main reduction gearbox, 16. Planetary gear, 17. Bolt, 18. Bolt, 19. Brake inner disc, 20. Brake outer disc, 21. Upper piston, 22. Lower piston, 23. Hydraulic motor drive gear. Compression spring, 25. rear axle conical driven gear, 26. intermediate gear, 27. passive gear, 28. rear axle cone drive gear, 29. transmission shaft rear axle connector, 30. positioning ring, 31. sealing groove, 32. Bolt hole.
  • the rear axle assembly of the present invention employs a bolt 18 for fastening the wheel axle housing 10 to the left and right of the main reduction gear body 15.
  • the front end of the main reduction gearbox 15 is coupled to the hydraulic motor reduction gearbox assembly and is bolted 8 fixed.
  • the hydraulic motor reduction gearbox assembly is composed of a hydraulic motor reduction gear box upper cover 2 and a hydraulic motor reduction gear box base 3, and is fixed by a bolt 17 .
  • the hydraulic motor reduction gear box base 3 is provided with a convex positioning ring 30 on the side opposite to the upper cover 2 of the hydraulic motor reduction gear box; the positioning ring 30 is provided with at least one bearing concentric with the positioning ring 30. seat.
  • the positioning ring 30 is provided with a sealing groove 31.
  • the hydraulic motor reduction gear box base 3 is provided with at least two bolt holes 32 on the circumference of the protruding positioning ring 30.
  • variable hydraulic motor or the quantitative hydraulic motor 1 is mounted on the end surface of the hydraulic motor reduction gear base 3, and the hydraulic motor drive gear 23 is mounted at the front end of the motor output shaft to drive the intermediate gear 26, and the driven gear 27 is driven; the driven gear 27 drives the rear axle cone drive gear shaft 7; the rear axle cone drive gear shaft 7 is installed in the center of the hydraulic motor reduction gear box assembly, and the rear axle cone drive gear shaft 7-end connection drives the rear axle cone drive gear 28 of the rear axle hydraulic motor reduction gearbox assembly, and meshes the rear axle cone passively
  • the gear 25, the rear axle conical driven gear 25 is mounted on the rear axle differential case 14, and the rear axle differential case 14 rotates in synchronism with the rear axle conical driven gear 25.
  • the rear axle differential case 14 is equipped with a differential bevel gear pair in the middle, and is provided with a differential output shaft 13, and the differential output shaft 13 follows the rear axle differential case 14 for rotation.
  • the internal gear 12 mounted at the end of the differential output shaft 13 meshes with the planetary gear 16, which is disposed on the planetary carrier 11, and the planetary gear 16 drives the wheel axle 9 mounted in the wheel axle housing 10, the wheel along with the wheel axle
  • the rotation of the rotation of 9 is performed by the power provided by the hydraulic motor to carry out the loading.
  • the rear axle cone drive gear shaft 7 is provided with a hydraulic brake.
  • the hydraulic brake is composed of a brake base 4, a brake seat upper cover 5, an upper piston 21, a brake inner disk 19, a brake outer disk 20, a lower piston 22 and the like.
  • the brake base 4 is equipped with a brake base cover 5, which is fixed by bolts 6 and forms a brake housing.
  • the piston 21, the plurality of brake inner discs 19, the brake outer disc 20, and the lower piston 22 are sequentially mounted in the housing.
  • the brake inner disc 19 and the brake outer disc 20 are alternately arranged in the housing.
  • the brake inner disc 19 and the brake outer disc 20 are used at least two or more sheets, respectively, and are driven or disengaged by hydraulic oil.
  • the brake inner disc 19 is axially freely mounted on the rear axle cone drive gear shaft 7 and rotates synchronously with the rear axle cone drive gear shaft 7, and the hydraulic brake outer disc 20 is freely movable along the axial direction of the rear axle cone drive shaft 7 and passes through
  • the pin is attached to the hydraulic brake case and does not rotate.
  • a compression spring 24 is evenly arranged, and an oil inlet joint is arranged on the side of the upper cover 5 of the brake seat, and the inner cavity of the piston 22 is moved in parallel.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Of Transmissions (AREA)
  • Retarders (AREA)

Abstract

Un dispositif de commande pour un essieu arrière de chargeur comprend principalement un carter (10) de boîte de réduction principal, un carter supérieur (15) de boîte de réduction pour le moteur hydraulique, une base (3) de boîte de réduction pour moteur hydraulique, un essieu de roue motrice conique (7) de l'essieu arrière, une roue motrice conique (28) de l'essieu arrière, un carter d'engrenage différentiel (25) de l'essieu arrière, la paire engrenage différentiel-engrenage conique de l'essieu arrière et un essieu de sortie à engrenage différentiel (13), (etc). Un anneau de positionnement convexe (30) est ménagé sur le côté de la base de la boîte de réduction pour moteur hydraulique (3). Le côté est situé en face du carter supérieur de la boîte de réduction pour moteur hydraulique (2). Une surface d'appui de coussinet concentrique avec le centre de l'anneau de positionnement (30) est placée au centre de l'anneau de positionnement (30). Une rainure de joint (31) est ménagée sur l'anneau de positionnement (30). Plusieurs perforations (32) sont pratiquées autour de l'anneau de positionnement (30).
PCT/CN2008/000658 2007-05-14 2008-04-01 Dispositif de commande pour essieu arrière de chargeur WO2008138206A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710022582.3 2007-05-14
CNB2007100225823A CN100484796C (zh) 2007-05-14 2007-05-14 一种装载机的后桥驱动装置

Publications (1)

Publication Number Publication Date
WO2008138206A1 true WO2008138206A1 (fr) 2008-11-20

Family

ID=38781471

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/000658 WO2008138206A1 (fr) 2007-05-14 2008-04-01 Dispositif de commande pour essieu arrière de chargeur

Country Status (2)

Country Link
CN (1) CN100484796C (fr)
WO (1) WO2008138206A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112747104A (zh) * 2020-12-16 2021-05-04 安徽海一重工有限公司 一种新型卷取机减速器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101054084A (zh) * 2007-05-14 2007-10-17 无锡开普动力有限公司 一种液压制动器
CN102490550A (zh) * 2011-12-28 2012-06-13 中国重汽集团济南动力有限公司 一种轻卡用单级减速驱动桥
CN103640467A (zh) * 2013-12-05 2014-03-19 中国重汽集团济南动力有限公司 一种重型汽车的矿用双级减速驱动桥

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297363A1 (fr) * 1975-01-13 1976-08-06 Citroen Sa Groupe de mecanismes de transmission hydromecanique de puissance motrice
JPH02285111A (ja) * 1989-04-03 1990-11-22 Liebherr Werk Bischofshofen Gmbh 土工機械用駆動装置
CN2426809Y (zh) * 2000-06-14 2001-04-18 成都四兴电子机械有限公司 轻型汽车后驱动桥总成
EP1424236A1 (fr) * 2002-11-28 2004-06-02 Audi Ag Système d'entraínement
CN2784671Y (zh) * 2004-11-30 2006-05-31 林炳煌 以汽车后桥主被动齿轮配件设计的减速器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297363A1 (fr) * 1975-01-13 1976-08-06 Citroen Sa Groupe de mecanismes de transmission hydromecanique de puissance motrice
JPH02285111A (ja) * 1989-04-03 1990-11-22 Liebherr Werk Bischofshofen Gmbh 土工機械用駆動装置
CN2426809Y (zh) * 2000-06-14 2001-04-18 成都四兴电子机械有限公司 轻型汽车后驱动桥总成
EP1424236A1 (fr) * 2002-11-28 2004-06-02 Audi Ag Système d'entraínement
CN2784671Y (zh) * 2004-11-30 2006-05-31 林炳煌 以汽车后桥主被动齿轮配件设计的减速器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112747104A (zh) * 2020-12-16 2021-05-04 安徽海一重工有限公司 一种新型卷取机减速器

Also Published As

Publication number Publication date
CN101049800A (zh) 2007-10-10
CN100484796C (zh) 2009-05-06

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