Vertical double-input winch gear box

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a vertical double-input winch gear box which comprises a box body, a first input shaft, a second input shaft, a middle shaft and an output shaft, the first input shaft, the second input shaft, the middle shaft and the output shaft are arranged on the box body, and the axis of the first input shaft is perpendicular to the axis of the second input shaft. A first straight gear and a second bevel gear are arranged on the second input shaft, the first bevel gear is meshed with the second bevel gear, a second straight gear and a third straight gear are arranged on the middle shaft, the second straight gear is meshed with the first straight gear, a fourth straight gear is arranged on the output shaft, and the fourth straight gear is meshed with the third straight gear. The first input shaft and the second input shaft are vertically installed on the box body, the layout mode of the gear box is changed, the width of the box body is reduced, the weight of the box body is reduced, one side of the output shaft of the box body is concaved inwards, enough space is reserved for installation of a winch such as a roller, the overall width of the winch is reduced, and cost is reduced. The winch can be conveniently installed on a trailer.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field especially relates to a vertical double -input winch gear box. BACKGROUND

[0002] The conventional high -power winch used in the oil field currently generally provides power by two or more motors, for the double -motor input, the prior art has two arrangement modes: arrangement mode (one) is that two input interfaces of the same root input shaft are located at the both sides of the reduction gearbox (two input interfaces are 180 DEG); Arrangement mode (two) is that two parallel input shafts, two input interfaces are located at the same side of the reduction gearbox; The two input interfaces of arrangement mode (one) are located at the both sides of the reduction gearbox along the width direction respectively, which can cause that the overall width of the reduction gearbox is larger, the two input interfaces of arrangement mode (two) are located at the same side of the reduction gearbox, in order to reserve enough installation space for the motor, the distance between the two input shafts is larger, so when the two inputs are combined, a large diameter gear or an intermediate gear is needed to realize the center distance of the two input shafts, these two modes can increase the weight and length of the reduction gearbox, and for the trailer drilling rig or the truck-mounted drilling rig, in order to realize the rapid moving, the derrick and the winch are generally required as a trailer module, so the size and weight of the winch are strictly required, and the size and weight of the winch with the existing arrangement form gear box cannot meet the demand.

[0003] Therefore, it is necessary to provide a vertical double -input winch gear box to overcome the defects of the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in the prior art, and provides a vertical double -input winch gear box.

[0005] The technical scheme of the utility model is:

[0006] A vertical double -input winch gear box, including the box, and first input shaft, second input shaft, intermediate shaft and output shaft set on the box, the axis of first input shaft and the axis of second input shaft are perpendicular, the bevel gear one is set on first input shaft, the straight gear one and the bevel gear two are sequentially set on second input shaft, the bevel gear one and the bevel gear two mesh transmission, the straight gear two and the straight gear three are sequentially set on intermediate shaft, the straight gear two and the straight gear one mesh transmission, the straight gear four is set on output shaft, and the straight gear four and the straight gear three mesh transmission.

[0007] Preferably, the bevel gear one and the bevel gear two are same in structure.

[0008] Preferably, the outer diameter size of the straight gear one is less than the outer diameter size of the straight gear two.

[0009] Preferably, the outer diameter size of the straight gear three is less than the outer diameter size of the straight gear four.

[0010] Preferably, the width of the box near the output shaft side is smaller than the width of the box near the intermediate shaft side.

[0011] Compared with the prior art, the vertical double-input winch gear box has the following beneficial effects:

[0012] The first input shaft and the second input shaft are vertically installed on the box, so that the input interfaces are distributed at 90°, the layout mode of the gear box is changed, the width of the box is reduced, the weight of the box is reduced, the inner recess on the output shaft side of the box is reserved for installation of other components (such as a drum) of the winch, which is beneficial to reduce the overall width of the winch, facilitates installation of the winch on a trailer, meets the hitching requirement of the derrick and the winch as a hitching module, and is suitable for a hitching drilling rig or a vehicle-mounted drilling rig. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model discloses a structure schematic diagram.

[0014] Among them, 1, first input shaft, 1-1, bevel gear one, 2, second input shaft, 2-1, bevel gear two, 2-2, straight gear one, 3, intermediate shaft, 3-1, straight gear two, 3-2, straight gear three, 4, output shaft, 4-1, straight gear four, 5, box. DETAILED DESCRIPTION

[0015] In order to make the technical means, technical features, utility model purpose and technical effect realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0016] As Figure 1 shown, a kind of vertical double-input winch gear box, including box 5, first input shaft 1, second input shaft 2, intermediate shaft 3 and output shaft 4, first input shaft 1, second input shaft 2, intermediate shaft 3 and output shaft 4 are all installed on box 5, first input shaft 1, second input shaft 2, intermediate shaft 3 and output shaft 4 are connected with box 5 by bearing installation, can realize the rotation of box 5, the axis of first input shaft 1 and the axial direction of second input shaft 2 are perpendicular to each other, i.e. first input shaft 1 is installed at one end of the length direction of box 5, second input shaft 2 is installed along the width direction of box 5, intermediate shaft 3 and output shaft 4 are installed with second input shaft 2 mutually parallel.

[0017] As Figure 1 shown, bevel gear one 1-1 is installed on first input shaft 1, straight gear one 2-2 and bevel gear two 2-1 are sequentially installed on second input shaft 2, bevel gear one 1-1 and bevel gear two 2-1 adopt the same structure, bevel gear one 1-1 and bevel gear two 2-1 mesh transmission, realize the superposition of input power on first input shaft 1 and input power on second input shaft 2.

[0018] The straight gear two 3-1 is located on the shaft diameter of the middle shaft 3 close to the left side of the box body 5, and the straight gear three 3-2 is located on the shaft diameter of the middle shaft 3 close to the right side of the box body 5, the straight gear two 3-1 is engaged with the straight gear one 2-2 for transmission, the outer diameter size of the straight gear one 2-2 is smaller than that of the straight gear two 3-1, so that the first input shaft 1 and the second input shaft 2 are overlapped for one-stage speed reduction transmission;

[0019] The straight gear four 4-1 is located on the shaft diameter of the output shaft 4 close to the right side of the box body 5, so that the straight gear four 4-1 can be engaged with the straight gear three 3-2 for transmission, the outer diameter size of the straight gear three 3-2 is smaller than that of the straight gear four 4-1, so that the power is two-stage speed reduction transmission, so that the output shaft 4 can output the required rotating speed of the winch.

[0020] As shown in Figure 1 Since only the straight gear four 4-1 is installed on the output shaft 4, and the straight gear four 4-1 is close to the right side of the box body 5, the length of the output shaft 4 can be reduced, and the left side of the box body 5 at the installation position of the output shaft 4 is processed into a concave structure, that is, the width of the box body 5 close to the output shaft 4 is smaller than the width of the box body 5 close to the middle shaft 3, the space occupied by the box body 5 is reduced, the drum (not shown in the figure) of the winch can be installed on the concave side of the box body 5, so that the overall width of the winch is reduced.

[0021] The first input shaft 1 and the second input shaft 2 are arranged, and the bevel gear one 1-1 on the first input shaft 1 is engaged with the bevel gear two 2-1 on the second input shaft 2, so that the input power is overlapped, the first input shaft 1 and the second input shaft 2 are vertically distributed, so that the power interface is distributed at 90°, that is, the first input shaft 1 and the second input shaft 2 are arranged on the rear side and the left side of the box body 5 respectively, so that the width of the box body 5 is reduced, the weight of the box body 5 is reduced, the width of the box body 5 at the output shaft 4 installation side is reduced, the length of the output shaft 4 is reduced, sufficient space is reserved for the installation of the winch drum, the overall width of the winch is reduced, the occupied area is reduced, the winch can be installed on the trailer, the requirements of the well derrick and the winch as a towing module are met, and the towing drilling rig or the vehicle-mounted drilling rig is suitable.

[0022] The above is only the preferred embodiment of the utility model, and is not used to limit the implementation range of the utility model. Any equivalent changes and modifications made according to the content of the utility model patent application scope shall belong to the technical scope of the utility model.

Claims

1. A vertical double input winch gearbox characterised in that: The application relates to a gearbox, which comprises a box (5), a first input shaft (1), a second input shaft (2), an intermediate shaft (3) and an output shaft (4) arranged on the box (5), the axis of the first input shaft (1) is perpendicular to the axis of the second input shaft (2), a bevel gear one (1-1) is arranged on the first input shaft (1), a straight gear one (2-2) and a bevel gear two (2-1) are sequentially arranged on the second input shaft (2), the bevel gear one (1-1) and the bevel gear two (2-1) are in mesh transmission, a straight gear two (3-1) and a straight gear three (3-2) are sequentially arranged on the intermediate shaft (3), the straight gear two (3-1) is in mesh transmission with the straight gear one (2-2), a straight gear four (4-1) is arranged on the output shaft (4), and the straight gear four (4-1) is in mesh transmission with the straight gear three (3-2).

2. The vertical dual input drawworks gearbox of claim 1, wherein: The bevel gear one (1-1) and the bevel gear two (2-1) are of the same structure.

3. The vertical double-input drawworks gearbox of claim 2, wherein: The outer diameter size of the straight gear one (2-2) is smaller than that of the straight gear two (3-1).

4. The vertical dual input drawworks gearbox of claim 1, wherein: The outer diameter size of the straight gear three (3-2) is smaller than that of the straight gear four (4-1).

5. The vertical double-input drawworks gearbox of claim 2, wherein: The width of the box (5) near the output shaft (4) is smaller than that of the box (5) near the intermediate shaft (3).

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