Assembly tool for gearbox shell

Abstract

The utility model discloses an assembly tool of a gearbox shell, which relates to the technical field of gearbox assembly and comprises a base, a telescopic rod is fixedly arranged on the base, a rotating block is rotatably arranged at the telescopic end of the telescopic rod, a cross beam is fixedly mounted on one side of the rotating block, a sliding sleeve is slidably arranged on the cross beam, and a hoisting clamp is rotatably connected below the sliding sleeve. The gear box upper shell can be installed on the hoisting clamp, a movable table is slidably arranged on the base and located on one side of the telescopic rod, a positioning rod matched with the bottom of the gear box lower shell is fixedly arranged on the movable table, and a containing table is fixedly arranged on the base and located on the other side of the telescopic rod. During assembly, the upper shell can be installed on the hoisting clamp through the plug pin, the height of the upper shell can be controlled through the telescopic rod, the upper shell can be rotated to the position above the lower shell from one side of the containing table by pulling the cross beam, the upper shell can be controlled to descend through the telescopic rod, the upper shell does not need to be manually pulled by a worker, and operation is convenient. And the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of gear box assembly, in particular to an assembly tool for a gear box housing. Background Art

[0002] The gearbox is an important mechanical component widely used in wind turbines. The main functions of the gearbox include acceleration and deceleration, changing the transmission direction, changing the torque, clutch function, and power distribution. The housing of the gearbox is usually composed of an upper housing (a) and a lower housing (b) (such as Figure 3 As shown in the figure, when assembling the gearbox, the upper housing (a) and the lower housing (b) need to be butt-jointed;

[0003] For example, the utility model patent with the announcement number CN205870031U discloses a gearbox machining tool, which includes a tooling bottom plate, and the tooling bottom plate is provided with positioning legs arranged opposite to each other on the left and right sides, and the upper ends of the two positioning legs are both positioning platforms for positioning the left and right positions of the gearbox, wherein the positioning platform on the right side is provided with a positioning hole, and the positioning platform on the left side is provided with an adjustment hole; the tooling bottom plate is provided with a limit bar for limiting the front and rear positions of the gearbox;

[0004] However, the utility model requires workers to carry the upper shell to the lower shell during assembly, which increases the labor intensity of the workers. At the same time, when the upper and lower shells are connected, the connecting surfaces of the upper and lower shells are easily damaged, resulting in poor use effect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an assembly tool for a gear box housing to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an assembly tool for a gear box housing, comprising a base, a telescopic rod is fixedly provided on the base, a swivel block is rotatably provided on the telescopic end of the telescopic rod, a crossbeam is fixedly installed on one side of the swivel block, a sliding sleeve is slidably provided on the crossbeam, a lifting fixture is rotatably connected below the sliding sleeve, the gear box upper housing can be installed on the lifting fixture, a moving platform is slidably provided on the base at one side of the telescopic rod, a positioning rod matching the bottom of the gear box lower housing is fixedly provided on the moving platform, and a placing table is fixedly provided on the base at the other side of the telescopic rod.

[0007] Preferably, a threaded rod 1 is rotatably provided on the crossbeam, a threaded cylinder is fixedly provided on the sliding sleeve, the threaded rod 1 is screwed into the threaded cylinder, and a turntable 1 is fixedly provided at one end of the threaded rod 1.

[0008] Preferably, a slide rail is fixedly provided on the base, and the mobile platform slides on the slide rail. A threaded rod 2 is rotatably provided on the base at one end of the slide rail, and the threaded rod 2 is screwed into the mobile platform. A turntable 2 is fixedly provided at one end of the threaded rod 2.

[0009] Preferably, a rubber pad is fixedly provided on the upper surface of the placement table.

[0010] Preferably, notches are provided below both ends of the lifting fixture, the notches match the lifting ears of the gear box upper shell, and pins penetrating the notches are inserted at both ends of the lifting fixture.

[0011] Preferably, the positioning rod matches the mounting hole on the lower housing of the gear box.

[0012] Beneficial Effects

[0013] The utility model provides an assembly tool for a gear box housing, which has the following beneficial effects: the rubber pad on the placement table can protect the docking surface of the upper housing; the upper housing can be installed on the lifting fixture through the pin during assembly; the height of the upper housing can be controlled by the telescopic rod; the upper housing can be rotated from one side of the placement table to the top of the lower housing by pulling the crossbeam; the upper housing can be controlled to descend by the telescopic rod, and there is no need for workers to manually pull the upper housing, thereby reducing the labor intensity of the workers; the upper housing can be moved along the length direction of the crossbeam by rotating the first turntable, and the lower housing can be moved along the length direction of the slide rail by rotating the second turntable, thereby realizing the adjustment of the relative position of the upper housing and the lower housing, facilitating the precise docking of the upper and lower housings, and there is no need to manually pull the upper housing repeatedly to complete the docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a left view of the utility model;

[0016] Figure 3 This is the front view of the gearbox.

[0017] In the figure: a, upper shell; b, lower shell; a1, lifting ear; b1, mounting hole; 1, base; 2, telescopic rod; 3, turn block; 4, crossbeam; 5, sliding sleeve; 6, lifting fixture; 7, notch; 8, latch; 9, moving table; 10, positioning rod; 11, placing table; 12, rubber pad; 13, threaded rod one; 14, threaded cylinder; 15, turntable one; 16, slide rail; 17, threaded rod two; 18, turntable two. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 3 The gearbox consists of an upper shell a and a lower shell b. The upper shell a is provided with two lifting ears a1, and the lower shell b is provided with a mounting hole b1.

[0020] See also Figure 1-3 The utility model provides a technical solution: an assembly tool for a gear box housing, including a base 1, a telescopic rod 2 is fixedly arranged on the base 1, the telescopic rod 2 adopts an electric telescopic rod, a rotating block 3 is rotatably arranged on the telescopic end of the telescopic rod 2, a crossbeam 4 is fixedly installed on one side of the rotating block 3, a sliding sleeve 5 is slidably arranged on the crossbeam 4, a lifting fixture 6 is rotatably connected below the sliding sleeve 5, the gear box upper housing a can be installed on the lifting fixture 6, a moving platform 9 is slidably arranged on one side of the telescopic rod 2 on the base 1, a positioning rod 10 matching the bottom of the gear box lower housing b is fixedly arranged on the moving platform 9, and a placing table 11 is fixedly arranged on the other side of the telescopic rod 2 on the base 1.

[0021] As an embodiment of the utility model, a threaded rod 13 is rotatably provided on the cross beam 4, a threaded cylinder 14 is fixedly provided on the sliding sleeve 5, the threaded rod 13 is screwed into the threaded cylinder 14, a turntable 15 is fixedly provided at one end of the threaded rod 13, and the position of the sliding sleeve 5 on the cross beam 4 can be adjusted by rotating the turntable 15.

[0022] As an embodiment of the utility model, a slide rail 16 is fixedly provided on the base 1, and the movable platform 9 slides on the slide rail 16. A threaded rod 17 is rotatably provided on the base 1 at one end of the slide rail 16. The threaded rod 17 is screwed into the movable platform 9, and a turntable 18 is fixedly provided at one end of the threaded rod 17. The position of the movable platform 9 on the base 1 can be adjusted by rotating the turntable 18.

[0023] As an embodiment of the present utility model, a rubber pad 12 is fixedly provided on the upper surface of the placement table 11 to prevent the docking surface of the upper shell a from being scratched by the placement table 11 .

[0024] As an embodiment of the utility model, recesses 7 are provided below both ends of the lifting clamp 6, and the recesses 7 match the lifting ears a1 of the gear box upper shell a. Pins 8 passing through the recesses 7 are inserted at both ends of the lifting clamp 6. After the lifting ears a1 are placed in the recesses 7, the connection between the lifting clamp 6 and the upper shell a can be achieved by inserting the pins 8.

[0025] As an embodiment of the present utility model, the positioning rod 10 matches the mounting hole b1 on the lower housing b of the gear box, and the connection between the lower housing b and the moving platform 9 can be completed by inserting the positioning rod 10 into the mounting hole b1.

[0026] The working principle and use process of the utility model are as follows: when in use, the lower shell b is placed on the moving platform 9, and the mounting hole b1 is ensured to be sleeved on the positioning rod 10. At this time, the lower shell b can be prevented from sliding in the horizontal direction on the moving platform 9. The upper shell a is placed on the placement platform 11. The rubber pad 12 can protect the docking surface of the upper shell a. The crossbeam 4 is turned to turn it to the top of the upper shell a. After the telescopic rod 2 is controlled to descend, the upper shell a is installed on the lifting fixture 6. The telescopic rod 2 is started to drive the upper shell a to rise and rotate it to one side of the lower shell b. The telescopic rod 2 is controlled to descend so that the upper shell a is close to the lower shell b. The upper shell a can be moved along the length direction of the crossbeam 4 by rotating the turntable 15. The lower shell b can be moved along the length direction of the slide rail 16 by rotating the turntable 2 18, thereby realizing the adjustment of the relative position of the upper shell a and the lower shell b, which is convenient for the precise docking of the upper and lower shells.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An assembly tool for a gearbox housing, characterized in that: The invention comprises a base (1), a telescopic rod (2) is fixedly arranged on the base (1), a rotating block (3) is rotatably arranged at the telescopic end of the telescopic rod (2), a crossbeam (4) is fixedly installed on one side of the rotating block (3), a sliding sleeve (5) is slidably arranged on the crossbeam (4), a lifting fixture (6) is rotatably connected below the sliding sleeve (5), an upper housing (a) of a gear box can be installed on the lifting fixture (6), a moving platform (9) is slidably arranged on one side of the telescopic rod (2) on the base (1), a positioning rod (10) matching the bottom of the lower housing (b) of the gear box is fixedly arranged on the moving platform (9), and a placing platform (11) is fixedly arranged on the other side of the telescopic rod (2) on the base (1).

2. The assembly tool for a gearbox housing according to claim 1, characterized in that: A threaded rod (13) is rotatably provided on the crossbeam (4), a threaded cylinder (14) is fixedly provided on the sliding sleeve (5), the threaded rod (13) is screwed into the threaded cylinder (14), and a rotating disk (15) is fixedly provided at one end of the threaded rod (13).

3. The assembly tool for a gearbox housing according to claim 1, characterized in that: A slide rail (16) is fixedly arranged on the base (1), and the movable platform (9) slides on the slide rail (16). A second threaded rod (17) is rotatably arranged on the base (1) at one end of the slide rail (16), and the second threaded rod (17) is screwed into the movable platform (9). A second turntable (18) is fixedly arranged at one end of the second threaded rod (17).

4. The assembly tool for a gearbox housing according to claim 1, characterized in that: A rubber pad (12) is fixedly arranged on the upper surface of the placement platform (11).

5. The assembly tool for a gear box housing according to claim 1, characterized in that: A notch (7) is provided below both ends of the lifting fixture (6), the notch (7) matches the lifting ear (a1) of the gear box upper shell (a), and a latch (8) penetrating the notch (7) is inserted at both ends of the lifting fixture (6).

6. The assembly tool for a gear box housing according to claim 1, characterized in that: The positioning rod (10) matches the mounting hole (b1) on the lower housing (b) of the gear box.

Images