CN220505766U - Bevel gear clearance adjustment device - Google Patents

Abstract

The utility model relates to a bevel gear gap adjusting device which comprises a first component and a second component, wherein the first component comprises a base, a stand column is arranged on the base, the stand column is connected with a mounting plate, the mounting plate is provided with a plurality of pushing telescopic pieces, the pushing telescopic pieces are used for pressing a bevel gear mounting shell on the wall of a gear box, the second component comprises a center shell, the center shell is rotationally connected with a center, the center is used for being in contact with a bevel gear mounting shaft, the center shell is provided with an external threaded rod, the external threaded rod is in threaded connection with a connecting seat, the connecting seat can be fixed on the inner side surface of the gear box wall, the external threaded rod is in threaded connection with an adjusting piece, and the adjusting piece is opposite to the internal thread of the connecting seat in rotation direction.

Description

Bevel gear clearance adjustment device

Technical Field

The utility model relates to the technical field of bevel gear transmission, in particular to a bevel gear clearance adjusting device.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

In the mechanical force transmission process, the torque in the existing state is often converted into the vertical direction, and the torque transmission is realized mostly through the meshing of bevel gear pairs. The bevel gear backlash must be adjusted to the proper range before torque transmission can take place. On one hand, a layer of oil film is formed on the surface of the bevel gears during operation, so that abrasion among the bevel gears is reduced, and the service life of the bevel gears is prolonged; on the other hand, the noise generated in the using process is reduced, and the transmission efficiency of the bevel gear is improved.

When the bevel gear gearbox is assembled, in order to ensure that the gap of the bevel gear is adjusted to a proper range, the bevel gear is usually screwed up by a shell and a fastening bolt, the bevel gear is preassembled, the surface of the gear is uniformly coated with red lead powder, marks are positioned at the middle of the tooth height and are deviated from the small end by additionally installing an adjusting gasket and occupy more than 60% of the width of the tooth surface, the shell and the bolt are generally required to be disassembled and assembled repeatedly in the adjusting process for adding and deleting the adjusting gasket, time and labor are wasted, the precision of knocking vibration causes is reduced due to the disassembling and assembling process, the service life is prolonged, and the assembling efficiency is greatly influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides the bevel gear gap adjusting device which is time-saving and labor-saving in use, so that the problem of reduced precision of a matching piece caused by frequent disassembly and assembly during gap adjustment is avoided, the labor intensity of workers is relieved, and the assembly efficiency of a bevel gear transmission is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the embodiment of the utility model provides a bevel gear gap adjusting device, which comprises a first component and a second component, wherein the first component comprises a base, a stand column is arranged on the base, the stand column is connected with a mounting plate, the mounting plate is provided with a plurality of pushing telescopic parts, the pushing telescopic parts are used for pressing a bevel gear mounting shell on the wall of a gear box, the second component comprises a center shell, the center shell is rotationally connected with a center, the center is used for being in contact with a mounting shaft of the bevel gear, the center shell is provided with an external threaded rod, the external threaded rod is in threaded connection with a connecting seat, the connecting seat can be fixed on the inner side surface of the wall of the gear box, the external threaded rod is in threaded connection with an adjusting part, and the rotating direction of the adjusting part is opposite to that of internal threads of the connecting seat.

Optionally, the pushing telescopic piece adopts a pushing hydraulic cylinder, the pushing hydraulic cylinder is fixedly connected with the mounting plate, and the pushing hydraulic cylinder is connected with the oil supply system through an oil pipe.

Optionally, the pushing telescopic piece is connected with a first fixing piece, and the first fixing piece is fixedly connected with the mounting plate.

Optionally, the first fixing piece adopts a magnetic attraction base.

Optionally, the stand is slidably connected with one end of the connecting sleeve, a locking piece is arranged between the stand and the connecting sleeve, and the other end of the connecting sleeve is detachably connected with the mounting plate.

Optionally, the connecting seat is fixed with the second mounting, and the connecting seat can be fixed with the case wall medial surface of gear box through the second mounting.

Optionally, the second fixing piece adopts a magnetic attraction base.

Optionally, the connecting seat is provided with an internal threaded hole, the adjusting piece adopts an adjusting nut, and the internal thread of the adjusting nut is opposite to the internal thread of the connecting seat in screwing direction.

Optionally, the telescopic part tip detachable of pushing away the telescopic part is connected with the pushing away the telescopic part, and the tip of pushing away the telescopic part is equipped with the push pedal, and the push pedal is equipped with the reference column, and the reference column matches with the fixed orifices on bevel gear installation shell and the bevel gear case wall.

Optionally, the plurality of pushing telescopic members are arranged at equal intervals along the circumferential direction.

The beneficial effects of the utility model are as follows:

1. according to the bevel gear gap adjusting device, the bevel gear installation shell can be tightly propped against the wall of the gear box by utilizing the pushing telescopic parts of the first assembly, the connecting seat can be fixed on the inner side surface of the wall of the gear box, the center can be in contact with the end part of the shaft of the bevel gear to be adjusted, the adjusting part is in threaded connection with the external threaded rod and is opposite to the threaded direction of the connecting seat, before adjustment, the adjusting part can be adjusted to be in contact with the end surface of the connecting seat, the center shell is rotated to move along the straight line under the action of the external threaded rod, the center drives the bevel gear to move through the shaft of the bevel gear, so that adjustment between two bevel gear gaps is realized, after the adjusting part is adjusted to a target position, the thickness of a gasket to be added can be obtained by measuring the distance between the adjusting part and the end surface of the connecting seat, the adjusting gasket is not required to be repeatedly disassembled and assembled and disassembled, time and labor are saved, the problem that the precision of the matching part is reduced due to frequent disassembly and assembly when the gap is adjusted is avoided, the service life of the bevel gear is influenced, the labor intensity of workers is lightened, and the assembly efficiency is improved.

2. According to the bevel gear gap adjusting device, the connecting sleeve can slide on the upright post to adjust the position, the connecting sleeve is detachably connected with the mounting plate, the specification of the mounting plate is convenient to replace, the magnetic base is arranged on the connecting seat, and the position of the connecting seat on the inner side surface of the wall of the gearbox can be adjusted, so that the requirements of gap adjustment of bevel gears of gearboxes with different specifications are met, and the applicability of the whole device is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application.

FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;

FIG. 2 is an exploded view of the assembly of the base, upright, connection sleeve, locking member and mounting plate of embodiment 1 of the present utility model;

FIG. 3 is an exploded view of the assembly of the pushing hydraulic cylinder and the pushing member according to embodiment 1 of the present utility model;

FIG. 4 is an exploded view of a second module according to embodiment 1 of the present utility model;

FIG. 5 is a bevel gear installation schematic of embodiment 1 of the present utility model;

wherein, 1, a base, 2, a fixing hole, 3, a mounting hole, 4, a column, 5, a base stud, 6, a mounting plate, 7, a connecting sleeve, 8, a locking bolt, 9, an upper locking nut, 10, a lower locking nut, 11, a pushing hydraulic cylinder, 12, a first magnetic base, 13, a pushing piece, 14, a pushing plate, 15, a positioning column, 16, an adjusting bevel gear mounting shell, 17, a hydraulic station, 18, a control system, 19, a bearing, 20, a center, 21, a bearing fixing cover, 22, bearing fixing bolts, 23, external threaded rods, 24, connecting seats, 25, second magnetic attraction bases, 26, adjusting nuts, 27, gearbox boxes, 28, box fixing holes, 29, first bevel gear mounting shells, 30, first bearings, 31, input shafts, 32, first bevel gears, 33, first self-locking nuts, 34, second bevel gear mounting shells, 35, second bearings, 36, output shafts, 37, second bevel gears, 38, and second self-locking nuts.

Detailed Description

Example 1

The embodiment provides a bevel gear clearance adjustment device for carry out clearance adjustment to two mutually supporting bevel gears in the gear box, the gear box includes the wall, is provided with the trompil on two mutually perpendicular walls, and trompil department is fixed with bevel gear installation shell, and bevel gear installation shell installs the shaft, is provided with the bevel gear on the shaft, and during the regulation, one bevel gear is fixed to be set up, and another bevel gear moves in order to realize the regulation of clearance between two bevel gears along the axis direction of shaft, in this embodiment, the bevel gear of following axis direction motion when defining the adjustment is for adjusting the bevel gear.

As shown in fig. 1, the bevel gear gap adjusting device comprises a first component and a second component which are matched for use, wherein the first component is used for propping a bevel gear installation shell of an adjusting bevel gear against the outer side surface of a box wall of a gear box, and the second component is used for pushing a wheel shaft of the adjusting bevel gear to move along the axial direction so as to drive the adjusting bevel gear to move along the axial direction to adjust the gap of the bevel gear.

Specifically, as shown in fig. 2, the first component includes a base 1, the base adopts a cube board, four corners of the base 1 are provided with fixing holes 2, the fixing holes 2 are used for fixedly connecting the base 1 with an adjusting platform, a mounting hole 3 is formed in the center of the base 1, and the bottom end of a stand column 4 is fixedly connected with the base 1 through the mounting hole 3.

Further, the mounting hole 3 adopts the screw hole, and stand 4 bottom passes through mounting hole and base threaded connection, and the external screw thread length of stand 4 bottom is slightly less than the thickness of base 1.

In order to enhance the connection strength between the upright post 4 and the base 1, a plurality of base studs 5 are arranged between the upright post 4 and the base 1, preferably, four base studs 5 are arranged, and the four base studs 5 are arranged at equal intervals along the circumferential direction.

The upright post 4 is detachably connected with a mounting plate 6.

Specifically, the upright post 4 is provided with a connecting sleeve 7, one end of the connecting sleeve 7 is sleeved on the periphery of the upright post 4 and is in sliding connection with the upright post 4, and the connecting sleeve 7 can move along the axial direction of the upright post 4 so as to adjust the position on the upright post 4.

One end of the connecting sleeve 7 is connected with the upright post 4, the other end is provided with an internal thread structure, and the external thread structure is in threaded connection with an external thread column arranged in the center of the side face of the mounting plate 6 through the internal thread structure, so that the mounting plate 6 can be detached, the mounting plates 6 with different specifications can be replaced, the bevel gear gap adjustment requirements of different gear boxes can be met, and the applicability of the whole adjusting device is improved.

A locking piece is arranged between the connecting sleeve 7 and the upright post 4 and used for locking and fixing the connecting sleeve 7 and the upright post 4.

The locking piece comprises a locking bolt 8, the locking bolt 8 is connected with the connecting sleeve 7 through threads at the end part of the upright post, the locking bolt 8 penetrates through the connecting sleeve 7 and is tightly propped against the upright post 4, and the connecting sleeve 7 can be fixed.

Lock nuts are respectively arranged on the upper side and the lower side of the connecting sleeve 7, namely an upper lock nut 9 and a lower lock nut 10, the two lock nuts are in threaded connection with the upright post 4, the two lock nuts respectively compress the upper surface and the lower surface of the connecting sleeve 7, and the connecting sleeve 7 can be further locked and fixed.

As shown in fig. 3, the panel surface of the mounting plate 6 far away from the upright post is fixed with a plurality of pushing telescopic members, and the axis of the pushing telescopic members is vertical to the mounting plate 6. The number of the pushing telescopic pieces is the same as the number of the fixing holes between the bevel gear installation shell and the gear box wall.

In this embodiment, in order to provide a larger pushing force, the pushing telescopic member adopts a pushing hydraulic cylinder 11, and a cylinder body of the pushing hydraulic cylinder 11 is fixed with the mounting plate through a first fixing member.

Further, the first fixing piece adopts the first magnetism to inhale base 12, the first magnetism inhale base 12 adopt current equipment can, including magnetism inhale the base shell, be equipped with a mounting port on one of them magnetism inhale the base shell, the switch passes mounting port and strong magnetism fixed connection, first magnetism is inhaled the base and is passed through strong magnetism and mounting panel fixed connection, first magnetism is inhaled the base structure and is adopted current structure can, and not describe in detail here, preferably, first magnetism is inhaled the base shell and is adopted current strong soft magnetic material to make, adopts current material can, not describe in detail here, the cylinder body of pushing hydraulic cylinder 11 and the magnetism of first magnetism inhale base shell fixed connection of base 12, its piston rod tip is fixed with pushing part 13, pushing part 13 is used for exerting the thrust to the bevel gear installation shell of adjustment bevel gear.

In this embodiment, the end portion of the piston rod of the pushing hydraulic cylinder 11, which is used for connecting the pushing member 13, is provided with an internal thread sleeve, the pushing member 13 adopts a cylindrical rod-shaped structure, one end of the pushing member 13 is in threaded connection with the end portion of the piston rod of the pushing hydraulic cylinder 11 through the internal thread sleeve, the other end of the pushing member 13 is provided with a pushing plate 14, the pushing plate 14 adopts a circular plate, the pushing plate 14 is coaxially provided with a positioning column 15, the positioning column 15 is matched with a fixing hole of a gear box wall and an adjusting bevel gear mounting shell 16, the positioning column 15 can be inserted into the fixing hole corresponding to the gear box and the adjusting bevel gear mounting shell 16, and the pushing plate 14 is in contact with the outer side surface of the adjusting bevel gear mounting shell 16, so that pushing force is applied to the adjusting bevel gear mounting shell 16 by using the pushing plate 14.

The pushing piece 13 is in threaded connection with the piston rod, so that the pushing piece 13 can be replaced conveniently, and the requirements of gap adjustment of bevel gears of different gearboxes are met.

The pushing hydraulic cylinders 11 are connected with an oil supply system through oil pipes, the oil supply system comprises a hydraulic station 17 and a control system 18, the control system 18 is connected with the hydraulic station 17 and can control the work of the hydraulic station 17, the hydraulic station 17 is connected with the pushing hydraulic cylinders 11 through the oil pipes and can supply oil to the pushing hydraulic cylinders 11 and control the work of the pushing hydraulic cylinders 11.

As shown in fig. 4, the second component includes a tip housing 18, a tip 20 is rotatably connected to the inside of the tip housing 18 through a tapered roller bearing 19, and the tapered roller bearing 19 is fixed to the tip housing 18 through a bearing fixing cover 21 and a bearing fixing bolt 22.

The center 20 is used for contacting with the end face of the wheel shaft of the adjusting bevel gear, and then driving the wheel shaft to move.

One side of the center shell 18 is coaxially fixed with an external threaded rod 23, the external threaded rod 23 is in threaded connection with the connecting seat 24 through an internal threaded hole formed in the connecting seat 24, one end of the connecting seat 24 is fixedly connected with a second fixing piece in a welding mode, the second fixing piece adopts a second magnetic attraction base 25, the second magnetic attraction base 25 is identical to the first magnetic attraction base 12 in structure, and the structure is the same as that of the first magnetic attraction base 12, so that the structure is achieved through existing equipment, not described in detail herein, and the second magnetic attraction base 12 is used for being fixed with the inner side face of a box wall of a gear box.

An adjusting piece is connected to the rod section of the external threaded rod 23 between the center housing 18 and the connecting seat 24 in a threaded manner, the adjusting piece is an adjusting nut 26, the adjusting nut 26 is connected with the external threaded rod 23 in a threaded manner, and the internal thread structure of the adjusting nut 26 is opposite to the thread of the internal threaded hole of the connecting seat 24 in a threaded manner. The adjusting nut is designed in the direction opposite to the direction of the threads of the second base connecting seat, so that inaccurate gap adjustment caused by displacement of the adjusting nut due to inertia and an external threaded rod in the gap adjustment process of the rotating center shell is avoided.

The working method of the bevel gear clearance adjustment device of the embodiment is as follows:

the operator installs base 1 and gear box 27 on the debugging platform, and base 1 is fixed with the debugging platform through fixed orifices 2, and gear box 27 is fixed with the debugging platform through box fixed orifices 28.

A lower lock nut 10, a connecting sleeve 7 and an upper lock nut 9 are sequentially installed on the column 4, the connecting sleeve 7 is installed to be coaxial with an input shaft of the gear box, the lock bolt 8 is screwed, and the upper lock nut 9 and the lower lock nut 10 are rotated so that the upper lock nut 9 and the lower lock nut 10 are respectively pressed with the upper surface and the lower surface of the connecting sleeve 7.

According to the specification of the gear box of the bevel gear gap to be regulated, the corresponding mounting plate 6 is selected to be fixedly connected with the connecting sleeve 7 through threads, and the corresponding pushing piece 13 is selected to be connected to the end part of the piston rod of the pushing hydraulic cylinder 11 through threads.

As shown in fig. 5, the first bevel gear mounting shell 29, the first bearing 30, the input shaft 31, the first bevel gear 32, the first gasket and the first self-locking nut 33 are assembled to the gear box body 27 in sequence according to the existing assembly sequence, in this embodiment, the first bevel gear 29 is fixed, the second bevel gear mounting shell 34, the second bearing 35, the output shaft 36, the second bevel gear 37, the second gasket and the second self-locking nut 38 are assembled to the gear box body 27 in sequence according to the existing assembly sequence, the second bevel gear 37 is used as an adjusting bevel gear, the second bevel gear mounting shell 34 is used as an adjusting bevel gear mounting shell, the output shaft 36 is used as a corresponding axle, the pushing hydraulic cylinder 11 works, and the positioning post 15 of the pushing piece 13 is sequentially inserted into the second bevel gear mounting shell 34 and the corresponding fixing hole of the gear box body 27.

The corresponding tip 20 is taken, the tip 20 is connected with the tip shell 18 through the tapered roller bearing 19, the tapered roller bearing 19 is fixed through the bearing fixing bolt 21 and the bearing fixing cover 22, the adjusting nut 19 is connected to the external threaded rod 23 of the tip shell 18 in a threaded manner, the external threaded rod 23 is connected to the connecting seat 24 in a threaded manner, the connecting seat 24 is fixed on the inner side surface of the box wall of the gearbox through the second magnetic base 25, the tip 20 is centered to the center hole of the output shaft 36, and the tip shell 18 is rotated so that the tip 20 is in contact with the end part of the output shaft 36.

The input shaft 31 is fixed after being installed, the hydraulic station 17 controls the pushing hydraulic cylinder 11 to work, when the hydraulic station 17 reaches the required torque, the adjusting nut 26 is rotated to enable the adjusting nut 26 to be attached to the end face of the connecting seat 24, red lead powder is smeared on the bevel gear II 37, the output shaft 36 is rotated by hand, the tip shell 18 is rotated to adjust the position of meshing teeth marks, the teeth marks are enabled to be positioned in the middle of the tooth height and deviate from the small end, the tooth surface width of the station is more than 60%, the hydraulic station 17 needs to be closed in advance before the tip shell 18 is rotated each time, oil supply to the pushing hydraulic cylinder 11 is stopped, and after the meshing gap is adjusted, the distance between the adjusting nut 19 and the connecting seat 24 is measured by using a vernier caliper, so that the thickness of a gasket needs to be added.

By adopting the gap adjusting device of the embodiment, the thickness of the gasket which needs to be added can be obtained by measuring the distance between the adjusting nut 19 and the end face of the connecting seat 24, the adjusting gasket is not required to be added and deleted by repeatedly disassembling and assembling the shell and the bolt, time and labor are saved, the problem that the precision of the matching piece is reduced due to frequent disassembly and assembly when the gap is adjusted is avoided, the service life of the bevel gear is effectively prevented from being influenced, the labor intensity of workers is reduced, and the assembly efficiency is improved.

By adopting the gap adjusting device of the embodiment, the installation of bevel gears of different types of boxes can be better adaptive through the threaded connection design of the installation plate and the pushing piece. Through the application of the hydraulic cylinder, the hydraulic station and the control system thereof, the bevel gear is more convenient and rapid to install.

While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.

Claims (10)

1. The utility model provides a bevel gear clearance adjustment device, its characterized in that, includes first subassembly and second subassembly, first subassembly includes the base, and pedestal mounting has the stand, and the stand is connected with the mounting panel, and the mounting panel is equipped with a plurality of top expansion pieces, and top expansion pieces are used for pressing bevel gear installation shell at gear box wall, the second subassembly includes top shell, and top shell rotates and is connected with top, and top is used for contacting with bevel gear's installation axle, and top shell is equipped with the external screw rod, and external screw rod and connecting seat threaded connection, the connecting seat can be fixed at gear box wall medial surface, and external screw rod threaded connection has the regulating part, and the internal screw thread of regulating part and connecting seat revolves to opposite.

2. The bevel gear gap adjusting device according to claim 1, wherein the pushing telescopic piece adopts a pushing hydraulic cylinder, the pushing hydraulic cylinder is fixedly connected with the mounting plate, and the pushing hydraulic cylinder is connected with the oil supply system through an oil pipe.

3. The bevel gear gap adjustment device according to claim 1, wherein the pushing telescoping member is connected with a first fixing member, and the first fixing member is fixedly connected with the mounting plate.

4. A bevel gear backlash adjustment device according to claim 3, characterized in that the first fixing member is a magnetically attractive base.

5. The bevel gear gap adjusting device according to claim 1, wherein the upright post is slidably connected to one end of the connecting sleeve, a locking member is arranged between the upright post and the upright post, and the other end of the connecting sleeve is detachably connected to the mounting plate.

6. The bevel gear gap adjusting device according to claim 1, wherein the connecting seat is fixed with a second fixing member, and the connecting seat can be fixed with the inner side surface of the wall of the gear box through the second fixing member.

7. The bevel gear gap adjustment device of claim 6 wherein said second fastener employs a magnetically attractable base.

8. The bevel gear gap adjustment device according to claim 1, wherein the coupling seat has an internally threaded bore, the adjustment member is an adjustment nut, and the internal thread of the adjustment nut is threaded in a direction opposite to the internal thread of the coupling seat.

9. The bevel gear gap adjusting device according to claim 1, wherein the end part of the telescopic part of the pushing telescopic part is detachably connected with a pushing part, the end part of the pushing part is provided with a pushing plate, the pushing plate is provided with a positioning column, and the positioning column is matched with the bevel gear installation shell and the fixing hole on the wall of the bevel gear box.

10. The bevel gear backlash adjustment device according to claim 9, wherein the plurality of pushing telescoping members are arranged at equal intervals in the circumferential direction.