Engineering machinery hydraulic transfer case with brake device

Abstract

The utility model discloses an engineering machinery hydraulic transfer case with a brake device, which aims to solve the problems that the existing engineering machinery hydraulic transfer case with the brake device occupies a large space and is poor in strength, and adopts the technical scheme that a supporting seat (2) comprises a supporting plate (3) and a connecting block (4), and one end of the supporting plate (3) is vertically connected with the connecting block (4) to form a T shape.

Description

Technical Field

[0001] The utility model relates to a transfer case, in particular to an engineering machinery hydraulic transfer case with a brake device, which is composed of a case body, four shafts, three shafts, two shafts, one shaft, a four-shaft large gear, a four-shaft small gear, a three-shaft large gear, a three-shaft small gear, a two-shaft large gear, a two-shaft small gear and a one-shaft gear. Background Art

[0002] At present, the market discloses such a hydraulic transfer case for engineering machinery, which has the following structural features: it includes a case body, a transmission assembly is arranged in the case body, the transmission assembly includes four shafts, three shafts arranged in parallel with the four shafts, two shafts and one shaft, a four-shaft large gear arranged on the four shafts, a four-shaft small gear, a three-shaft large gear arranged on the three shafts, a three-shaft small gear, a two-shaft large gear arranged on the two shafts, a two-shaft small gear, and a one-shaft gear arranged on the one shaft, and both ends of the one shaft extend out of the case body and are connected to the output flange, the two-shaft large gear is connected to the clutch connecting plate through a clutch transition sleeve, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve that has been sleeved on the two shafts through a static friction plate and a dynamic friction plate, the end face of the static friction plate or the dynamic friction plate contacts the end face of the first gear piston sleeved in the first gear cylinder body, the four-shaft large gear is also connected to the clutch connecting plate through a clutch transition sleeve, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve that has been sleeved on the four shafts through a static friction plate and a dynamic friction plate, The end face of the wipe plate or dynamic friction plate contacts the end face of the second-speed piston sleeved in the second-speed cylinder body. A second-speed hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a second-speed cylinder body, a second-speed piston, a static friction plate and a dynamic friction plate connected to the four-axis transmission is arranged outside the housing. A first-speed hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a first-speed cylinder body, a first-speed piston, a static friction plate and a dynamic friction plate connected to the two-axis transmission is also arranged outside the housing. A handbrake assembly is arranged at one end outside the box body, and the handbrake assembly is connected to the box body through a support seat; the handbrake assembly is composed of an oil cylinder, a support seat, a brake disc, an inner brake pad, an outer brake pad, an inner brake plate and an outer brake plate. An outer brake plate is arranged on the upper part of the support seat, and the outer brake plate contacts the outer surface of the brake disc fixed on an axis through the outer brake pad. The lower end of the outer brake plate is connected to the oil cylinder, and the oil cylinder rod passes through the lower end of the outer brake plate and connects to the inner brake plate, and the inner brake plate contacts the inner surface of the brake disc through the inner brake pad. Therefore, the support seat is arranged outside the box body in a cantilevered shape, which occupies a large space and has poor strength. Summary of the invention

[0003] The utility model aims to provide a hydraulic transfer case of an engineering machinery with a brake device, which occupies a small space and has a good support seat strength.

[0004] To achieve the above-mentioned purpose, the utility model discloses a hydraulic transfer case of an engineering machinery with a brake device, comprising a case body, a transmission assembly is arranged in the case body, the transmission assembly comprises four shafts, three shafts arranged in parallel with the four shafts, two shafts and one shaft, a four-shaft large gear arranged on the four shafts, a four-shaft small gear, a three-shaft large gear arranged on the three shafts, a three-shaft small gear, a two-shaft large gear arranged on the two shafts, a two-shaft small gear, and a one-shaft gear arranged on the one shaft, two ends of the one shaft respectively extend out of the case body and are connected to the output flange, the two-shaft large gear is connected to the clutch connecting plate through a clutch transition sleeve, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve which is sleeved on the two shafts through a static friction plate and a dynamic friction plate, the end face of the static friction plate or the dynamic friction plate contacts the end face of the first gear piston sleeved in the first gear cylinder body, and the four-shaft large gear is also connected to the clutch connecting plate through a clutch transition sleeve. The connecting plate is connected, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve that has been sleeved on the four-axis through the static friction plate and the dynamic friction plate, the end face of the static friction plate or the dynamic friction plate contacts the end face of the second-speed piston sleeved in the second-speed cylinder body, and a second-speed hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a second-speed cylinder body, a second-speed piston, a static friction plate and a dynamic friction plate connected to the four-axis transmission is arranged outside the box body; a first-speed hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a first-speed cylinder body, a first-speed piston, a static friction plate and a dynamic friction plate connected to the two-axis transmission is also arranged outside the box body; a brake assembly is arranged at the end of the first shaft extending out of the box body, and the brake assembly is connected to the box body through a support seat, and the support seat includes a support plate and a connecting block, so that one end of the support plate is vertically connected to the connecting block to form a T shape.

[0005] A plurality of holes which can be connected with the box body are arranged on the support plate.

[0006] The box body is provided with a plurality of screw holes for mounting and fixing the support plate.

[0007] A long eye groove which can cooperate with one end of the supporting plate is arranged in the middle position of the long strip-shaped connecting block, and holes for installing and fixing the brake assembly are respectively arranged at both ends of the connecting block.

[0008] After adopting this structure, since the support seat includes a support plate and a connecting block, one end of the support plate is vertically connected to the connecting block to form a T shape, thereby achieving the purpose of occupying less space and having better strength of the support seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0010] Attached Figure 1 The utility model is a three-dimensional schematic diagram of a hydraulic transfer case of an engineering machinery with a brake device.

[0011] Attached Figure 2The utility model is a three-dimensional schematic diagram of a hydraulic transfer case support seat of an engineering machinery with a brake device.

[0012] In the figure: 1. Box body 2. Support seat 3. Support plate 4. Connecting block 5. Brake assembly 6. First shaft. DETAILED DESCRIPTION

[0013] Attached Figure 1 , Attachment Figure 2 The utility model is a hydraulic transfer case for engineering machinery with a brake device, comprising a case body 1, a transmission assembly is arranged in the case body 1, the transmission assembly comprises a four-axis, a three-axis arranged in parallel with the four-axis, a two-axis and a one-axis 6, a four-axis large gear arranged on the four-axis, a four-axis small gear, a three-axis large gear arranged on the three-axis, a three-axis small gear, a two-axis large gear arranged on the two-axis, a two-axis small gear, and a one-axis gear arranged on the one-axis 6, the two ends of the one-axis 6 respectively extend out of the case body 1 and are connected to the output flange, the two-axis large gear The clutch connecting plate is connected to the clutch connecting plate through the clutch transition sleeve, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve that has been sleeved on the second shaft through the static friction plate and the dynamic friction plate, the end face of the static friction plate or the dynamic friction plate contacts the end face of the first gear piston sleeved in the first gear cylinder body, the four-axis large gear is also connected to the clutch connecting plate through the clutch transition sleeve, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve that has been sleeved on the four-axis through the static friction plate and the dynamic friction plate, the end face of the static friction plate or the dynamic friction plate The second gear piston end face is in contact with the second gear piston sleeved in the second gear cylinder body. A second gear hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a second gear cylinder body, a second gear piston, a static friction plate and a dynamic friction plate connected to the four-axis transmission is arranged outside the box body 1. A first gear hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a first gear cylinder body, a first gear piston, a static friction plate and a dynamic friction plate connected to the two-axis transmission is also arranged outside the box body 1. A brake assembly is arranged at one end of the first shaft 6 extending out of the box body 1. 5, the brake assembly 5 is connected to the box body 1 through the support seat 2, the support seat 2 includes a support plate 3 and a connecting block 4, so that one end of the support plate 3 is vertically connected to the connecting block 4 to form a T shape; a plurality of holes that can be connected to the box body 1 are provided on the support plate 3; a plurality of screw holes that can be installed and fixed on the support plate 3 are provided on the box body 1; a long eye groove that can cooperate with one end of the support plate 3 is provided in the middle position of the long strip-shaped connecting block 4, and holes for installing and fixing the brake assembly 5 are respectively provided at both ends of the connecting block 4. The brake assembly 5 is a purchased part. For example, the ZC-80 parking brake assembly produced by Jinjiang Honor Engineering Machinery Co., Ltd. in Fujian Province.

Claims

1. A hydraulic transfer case for engineering machinery with a brake device, comprising a case body, a transmission assembly is arranged in the case body, the transmission assembly comprises four shafts, three shafts arranged in parallel with the four shafts, two shafts and one shaft, a four-shaft large gear arranged on the four shafts, a four-shaft small gear, a three-shaft large gear arranged on the three shafts, a three-shaft small gear, a two-shaft large gear arranged on the two shafts, a two-shaft small gear, and a one-shaft gear arranged on the one shaft, two ends of the one shaft extend out of the case body respectively and are connected to the output flange, the two-shaft large gear is connected to the clutch connecting plate through a clutch transition sleeve, the clutch connecting plate is connected to an inner spline sleeve, the inner spline sleeve is connected to an outer spline sleeve that has been sleeved on the two shafts through a static friction plate and a dynamic friction plate, the end face of the static friction plate or the dynamic friction plate contacts the end face of a first-gear piston sleeved in a first-gear cylinder body, and the four-shaft large gear is also connected through a clutch transition sleeve. The clutch transition sleeve is connected to the clutch connecting plate, the clutch connecting plate is connected to the inner spline sleeve, the inner spline sleeve is connected to the outer spline sleeve which has been sleeved on the fourth shaft through the static friction plate and the dynamic friction plate, the end face of the static friction plate or the dynamic friction plate contacts the end face of the second-speed piston sleeved in the second-speed cylinder body, and a second-speed hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a second-speed cylinder body, a second-speed piston, a static friction plate and a dynamic friction plate connected to the four-shaft transmission is arranged outside the housing body, and a first-speed hydraulic clutch composed of a clutch connecting plate, an inner spline sleeve, an outer spline sleeve, a first-speed cylinder body, a first-speed piston, a static friction plate and a dynamic friction plate connected to the two-shaft transmission is also arranged outside the housing body, and a brake assembly is arranged at one end of the first shaft extending out of the housing body, and the brake assembly is connected to the housing body through a support seat, characterized in that: The support seat (2) comprises a support plate (3) and a connecting block (4), and one end of the support plate (3) is vertically connected to the connecting block (4) to form a T shape.

2. The hydraulic transfer case with a brake device for construction machinery according to claim 1, characterized in that: A plurality of holes capable of being connected to the box body (1) are provided on the support plate (3).

3. The hydraulic transfer case with a brake device for construction machinery according to claim 2, characterized in that: The box body (1) is provided with a plurality of screw holes capable of installing and fixing the support plate (3).

4. The hydraulic transfer case with a brake device for construction machinery according to claim 1, characterized in that: A long eye groove capable of cooperating with one end of the support plate (3) is provided in the middle of the long strip-shaped connecting block (4), and holes for installing and fixing the brake assembly (5) are respectively provided at both ends of the connecting block (4).

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