CN111503244B - Assembly method of side-open type long gearbox assembly - Google Patents

Assembly method of side-open type long gearbox assembly Download PDF

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Publication number
CN111503244B
CN111503244B CN202010218616.1A CN202010218616A CN111503244B CN 111503244 B CN111503244 B CN 111503244B CN 202010218616 A CN202010218616 A CN 202010218616A CN 111503244 B CN111503244 B CN 111503244B
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China
Prior art keywords
gear
assembly
bearing
shell
station
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Active
Application number
CN202010218616.1A
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Chinese (zh)
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CN111503244A (en
Inventor
王治军
赵博
张延喜
易良均
胡豪
黄娟
郭丹丹
郭燕
陈振凯
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First Tractor Co Ltd
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First Tractor Co Ltd
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Priority to CN202010218616.1A priority Critical patent/CN111503244B/en
Publication of CN111503244A publication Critical patent/CN111503244A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H2057/0062Tools specially adapted for assembly of transmissions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02017Gearboxes; Mounting gearing therein characterised by special features related to the manufacturing of the gear case, e.g. special adaptations for casting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • F16H2057/0235Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly specially adapted to allow easy accessibility and repair

Abstract

A method for assembling a side-open type long gearbox assembly comprises the steps of fixedly installing a gearbox shell on a support plate of a motorized roller way in a side-standing mode, and moving the gearbox shell to a subsequent multistage gear assembly installation station from a shell installation station by the support plate; the gear assembly mounting stations in the same stage are arranged according to the number of the gear assemblies, and after the gear assemblies of each stage of gear assembly mounting station are mounted, the gear box shell is moved to the next stage of gear assembly mounting station by the support plate until all the gear assemblies are mounted; and feeding, mounting, compacting and moment of resistance detection are realized on each gear assembly mounting station, and the integral mounting of the gear assembly at the station is completed. The method can easily realize automatic press fitting and easily realize the on-line measurement of the bearing resisting moment; multiple steps of automatic feeding, bearing press fitting, resisting moment detection and the like can be realized on the same station in a centralized mode, and the occupied area of an assembly line is reduced.

Description

Assembly method of side-open type long gearbox assembly
Technical Field
The invention relates to the technical field of machinery, in particular to an assembling method of a side-open type long gearbox assembly.
Background
The long gearbox assembly is a gearbox assembly which is arranged in a multi-shaft parallel mode in the long side direction, the opening direction of the long gearbox assembly is located on the end face of the side of the short side (as shown in figures 1, 2, 3 and 5), the long gearbox assembly is assembled in a vertical or horizontal mode due to different putting modes of gears, the long gearbox assembly is assembled in a vertical mode (as shown in figure 1), the gears in the long gearbox assembly are placed into a gearbox shell (hereinafter referred to as a shell) from the side opening in an upper suspension mode, the shell is vertically placed higher, the assembly posture is changed too greatly, the assembly operation comfort is not good, and the labor intensity of workers is high and the production efficiency is low; adopt the form that the level was placed (like fig. 2), the dead eye is up, and the gear in the gear box assembly is put into the casing by the side opening of horizontal direction, and the gear is placed on the casing inner chamber below, and every gear shaft of assembling all need overturn many times to the casing, so the assembly that will accomplish a gear box will overturn at least and can accomplish more than many times for worker intensity of labour is big and production efficiency hangs down.
Disclosure of Invention
In order to solve the technical problem, the invention provides an assembling method of a side-open type long gearbox assembly.
In order to realize the technical purpose, the adopted technical scheme is as follows: the assembly method of the side-open type long gearbox assembly is characterized in that the assembly method is carried out through a gearbox assembly line with a plurality of gear automatic feeding stations, the stations sequentially comprise a shell body on-line station, a multistage gear shaft assembly mounting station and a gearbox assembly off-line station, and the assembly method specifically comprises the following steps:
the method comprises the following steps that firstly, a shell is fixedly installed on a support plate of a maneuvering roller way in a side-standing mode, and the support plate moves a gearbox shell from a shell installation station to a subsequent multistage gear shaft assembly installation station;
step two, gear shaft assembly mounting stations in the same stage are arranged according to the number of the gear shaft assemblies, and after the gear shaft assemblies of each stage of gear shaft assembly mounting station are mounted, the shell is moved to the next stage of gear shaft assembly mounting station by the support plate until all the gear shaft assemblies are mounted;
the gears are automatically placed into the shell from the side opening of the shell in a vertical posture by the automatic gear feeding device on each gear shaft assembly mounting station, then the gear shaft is manually penetrated through the shell and the inner hole of the gear, the bearing is placed in the corresponding bearing hole of the shell, the bearing is compacted by a special machine, in the bearing compaction process, the special machine drives the gear shaft to rotate, and a torque sensor arranged on the special machine is used for detecting the resistance torque of the bearing in real time, when the bearing resistance moment reaches the set value of the gear shaft assembly, the special machine finishes bearing compaction and records the distance from the end face of the bearing pressed and installed at the current position to the end face of the bearing hole on the corresponding shell by a displacement sensor arranged on the press machine, and then withdrawing from the press-mounting position, manually selecting a proper gasket for mounting according to the distance data from the end face of the bearing provided by the special machine to the end face of the corresponding bearing hole, and fixing the bearing cover plate to finish the integral mounting of the gear shaft assembly at the station.
The support plate is provided with a rotating mechanism which drives the gear box to rotate for 360 degrees.
The automatic gear feeding device consists of a mechanical arm and a conveying chain, and automatically places the gear into the shell in a vertical posture.
The special machine for compacting the bearing is a press machine or an electric cylinder.
The invention has the beneficial effects that:
1. the automatic gear feeding mode consisting of the mechanical arm and the conveying chain is adopted, so that the automatic gear conveying, grabbing and feeding on the conveying device are easily realized.
2. The gear box assembly is assembled by fixing the shell in a side-standing mode, so that an operator always stays in a comfortable assembly posture when the assembling station operates, and the shell does not need to be turned over in the whole assembling process, thereby not only reducing the fatigue of operation work, but also improving the assembling work efficiency.
3. The shell placing mode and the assembling mode are convenient to install, 360-degree rotation of the gear box can be achieved through the rotating mechanism after the assembling work of the gear shaft at one end is completed, the assembling work of the gear shaft at the other end is completed, the approach assembling is achieved, and the man-machine comfort is improved.
4. Automatic press fitting and on-line measurement of bearing resistance moment can be easily realized; the process contents of automatic feeding, bearing press mounting, resistance moment detection, gasket selection and the like can be centralized on the same station, and the floor area of an assembly line is reduced.
Drawings
FIG. 1 is a schematic view of a first prior art assembly placement;
FIG. 2 is a schematic view of a second prior art assembly placement;
FIG. 3 is a schematic view of the present invention in an assembled position;
FIG. 4 is a schematic view of an assembly line of example 1;
FIG. 5 is a perspective view I of a three-dimensional structure of a gear box to be assembled in the embodiment 1;
FIG. 6 is a second perspective view of the gear box to be assembled according to embodiment 1;
in the figure: 1. side openings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present embodiment, the terms "inside", "outside", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a method for assembling a side-ported long gearbox assembly is performed by a gearbox assembly line having a plurality of gear automatic loading stations, the plurality of stations sequentially include a housing loading station, a multi-stage gear shaft assembly mounting station, and a gearbox assembly unloading station, and the method specifically includes the following steps:
the method comprises the following steps that firstly, a shell is fixedly installed on a support plate of a maneuvering roller way in a side-standing mode, and the shell is moved to a subsequent multistage gear shaft assembly installation station from a shell installation station by the support plate through the maneuvering roller way;
step two, gear shaft assembly mounting stations in the same stage are arranged according to the number of the gear shaft assemblies, and after the gear shaft assemblies of each stage of gear shaft assembly mounting station are mounted, the carrier plate moves the gearbox shell to the next stage of gear shaft assembly mounting station until all the gear shaft assemblies are mounted;
the gear automatic feeding device composed of the mechanical arm and the conveying chain on each gear shaft assembly mounting station automatically puts the gear into the shell from the side opening of the shell in a vertical posture, manually puts the gear shaft through the shell and the inner hole of the gear, puts the bearing into the corresponding bearing hole of the shell, compacts the bearing by a special machine, drives the gear shaft to rotate during the bearing compaction process, and detects the resistance moment of the bearing in real time by a moment sensor carried by the special machine,
when the bearing resistance moment reaches the set value of the gear shaft assembly, the special press completes bearing compaction, a displacement sensor arranged on the press machine records the distance from the bearing end face of the current position in press mounting to the end face of the bearing hole on the corresponding shell, then the press mounting position is withdrawn, a proper gasket is manually selected for installation according to the distance data from the bearing end face provided by the special press to the end face of the corresponding bearing hole, a bearing cover plate is fixed, and the integral installation of the gear shaft assembly at the station is completed.
The support plate is provided with two layers, the lower layer is connected with a motorized roller way and used for driving the gear box shell to move along the station direction, and the upper layer is connected with the rotating mechanism to realize the rotation of the gear box shell at different stations.
The special machine for compacting the bearing is a press machine or an electric cylinder, the press machine and the electric cylinder are provided with torque sensors, the bearing can be compacted, the bearing resistance torque measurement can be realized during compaction, and the distance data from the end face of the bearing to the end face of the corresponding bearing hole is displayed.
The torque sensor can be a torque sensor with the model of T10F series or a CZL6 series.
Example 1
The utility model provides a gear box assembly line, including No. 1 station of casing hoist and mount line that distributes in proper order on the assembly line in proper order, No. 2 stations of dress sword axle integral key shaft, No. 3 stations of dress spline sword shaft lid and bolt-up, dress four-axis integral key shaft and go up No. 4 stations of both sides apron, No. 5 stations of dress three-axis gear shaft subassembly, No. 6 stations of dress two-axis integral key shaft and detection resistance moment, No. 7 stations of dress cone bearing subassembly, No. 8 stations of printing serial number, No. 9 stations of gear box assembly off-line.
An assembling method of a side-open type long gearbox assembly comprises the following steps:
s1, station No. 1: hoisting the shell to be on line; manually carrying the gear box shell on the transfer trolley onto a support plate on a motorized roller bed by using a flexible KBK crane, positioning by using a positioning device, wherein as shown in figure 3, a side opening of a side-opening type long gear box assembly is arranged towards the right side, a long side of the long gear box assembly is vertically and fixedly arranged on the upper side of the support plate, and a bearing hole corresponds to the front or the rear.
S2, No. 2 station: a spline shaft and a cover plate of a cutter shaft are arranged; the gear feeding machine puts the gear into the shell from an opening on the side of the right end face, then the cutter shaft spline shaft manually penetrates through the shell and the inner hole of the gear, the outer ring of the bearing is put into a bearing hole of the shell (such as a first pair of holes in the left side of a figure 3), the bearing is compacted by using an online press, the press is provided with a torque sensor, the part does not need to be turned or adjusted, the detection of the resistance torque of the cone bearing can be completed online, the press slowly compacts the bearing, the press finishes the compaction and quit after the resistance torque detection machine detects that the torque reaches the set value of the gear shaft assembly, and the distance from the end face of the bearing to the end face of the corresponding bearing hole of the gear box is measured manually.
S3, station No. 3 (station No. 2 and station No. 3 can be merged at the same position): and (5) fastening a spline-mounted cutter shaft cover and a bolt. And after the spline cutter shaft and the bearing are placed, detecting the thickness of the bearing cover plate, selecting a proper gasket, and fixing the bearing cover plate by using a pneumatic wrench and a screw manually.
S4, No. 4 station: four-shaft spline shafts are arranged and two side cover plates are arranged. Gear material loading machine puts into the gear box casing with four-axis gear from right side terminal surface side opening, the manual work passes casing and gear hole with the gear shaft, put into the dead eye (like the second hole in the left side of figure 3) with supporting bearing and bearing inner race, and slowly compact the bearing with the electric jar, electric jar is compaction limit and is used torque sensor to detect bearing resistance moment, when waiting that bearing resistance moment reaches this gear shaft subassembly setting value, the electric jar is accomplished the bearing compaction and is withdrawed from, measure bearing end face to corresponding gear box bearing hole terminal surface distance again, and detect bearing apron thickness, select suitable gasket, at last manual work is screwed up bearing apron with pneumatic wrench.
S5, No. 5 station: installing a triaxial gear shaft assembly; the gear feeding machine puts a three-axis gear into a gear box shell from an opening on the right side end face side, then manually penetrates a gear shaft through the shell and an inner hole of the gear, puts a matched bearing and a bearing pin into a bearing hole (such as a third hole on the left side of a figure 3), then uses an online press to compact the bearing pin, and manually fixes the bearing pin by using a pneumatic wrench and installs an anti-rotation screw. The mounted bearing of the station is a cylindrical bearing, and the resistance moment measurement is not carried out.
S6, No. 6 station: the carrier plate is rotated by 180 degrees, so that the two-axis mounting position of the shell is convenient for assembly operation of staff; the manual or gear automatic feeding device puts into the casing with the double gear from the side opening, the manual work is got the double shaft and is passed casing and double gear hole, and put into corresponding dead eye (like the fourth hole in the left side of figure 3) and slowly compact the bearing with the press with bearing outer lane, the manual work detects the bearing moment of resistance with moment of resistance spanner or special plane, when the moment of resistance reaches the setting value, manual work or special plane remeasure bearing end face to gear box bearing hole terminal surface distance, and detect bearing apron thickness, select suitable gasket, it is fixed with pneumatic spanner and screw at last to manual work.
S7, No. 7 station: installing a conical bearing assembly; the bevel gear shaft assembly is transferred to the upper end of a shell hole site (such as a hole on the upper end face of the right side of the figure 3) by a flexible KBK crane and is placed into the shell, the installation moment of the bevel gear is adjusted manually, a proper gasket is selected for installation, and then the end cover is fixed by a pneumatic wrench and a screw.
S8, No. 8 station: and (6) performing airtight test and printing a number.
S9, No. 9 station: the gearbox assembly goes off line.
The gear box placing method and the gear box assembling method are convenient to install, the automatic gear feeding is realized through the automatic gear feeding mechanism, the carrier plate capable of rotating 180 degrees is utilized, the assembling quality of the gear box assembly is guaranteed, the labor intensity of operators is greatly reduced, and the assembling efficiency is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The assembly method of the side-open type long gearbox assembly is characterized in that: the assembly method comprises the following steps of assembling through a gear box assembly line with a plurality of gear automatic feeding stations, wherein the stations sequentially comprise a shell on-line station, a multi-stage gear shaft assembly mounting station and a gear box assembly off-line station, and the specific assembly method comprises the following steps:
the method comprises the following steps that firstly, a shell is fixedly installed on a support plate of a maneuvering roller way in a side-standing mode, and the support plate moves a gearbox shell from a shell installation station to a subsequent multistage gear shaft assembly installation station;
step two, gear shaft assembly mounting stations in the same stage are arranged according to the number of the gear shaft assemblies, and after the gear shaft assemblies of each stage of gear shaft assembly mounting station are mounted, the shell is moved to the next adjacent gear shaft assembly mounting station by the support plate until all the gear shaft assemblies are mounted;
the gear is automatically placed into the shell from the side opening of the shell in a vertical posture by the automatic gear feeding device on each gear shaft assembly mounting station, then the gear shaft is manually penetrated through the shell and the inner hole of the gear, the bearing is placed in the corresponding bearing hole of the shell, the bearing is compacted by a special machine, in the bearing compaction process, the special machine drives the gear shaft to rotate, and a torque sensor arranged on the special machine is used for detecting the resistance torque of the bearing in real time, when the bearing resistance moment reaches the set value of the gear shaft assembly, the special machine finishes bearing compaction and records the distance from the end face of the bearing pressed and installed at the current position to the end face of the bearing hole on the corresponding shell by a displacement sensor arranged on the press machine, then withdrawing from the press-mounting position, manually selecting a proper gasket according to distance data from the end face of the bearing to the end face of the corresponding bearing hole provided by the special machine for mounting, and fixing a bearing cover plate to finish the integral mounting of the gear shaft assembly of the station;
and step three, inserting the gear box assembly into the line by the gear box assembly inserting station.
2. The method of assembling a side-ported elongate gearbox assembly according to claim 1, wherein: the support plate is provided with a rotating mechanism which drives the gear box to rotate for 360 degrees.
3. The method of assembling a side-ported elongate gearbox assembly according to claim 1, wherein: the automatic gear feeding device consists of a mechanical arm and a conveying chain, and automatically places the gear into the shell in a vertical posture.
4. The method of assembling a side-ported elongate gearbox assembly according to claim 1, wherein: the special machine for compacting the bearing is a press machine or an electric cylinder.
CN202010218616.1A 2020-03-25 2020-03-25 Assembly method of side-open type long gearbox assembly Active CN111503244B (en)

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CN202010218616.1A CN111503244B (en) 2020-03-25 2020-03-25 Assembly method of side-open type long gearbox assembly

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Application Number Priority Date Filing Date Title
CN202010218616.1A CN111503244B (en) 2020-03-25 2020-03-25 Assembly method of side-open type long gearbox assembly

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CN111503244B true CN111503244B (en) 2021-07-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628107A (en) * 1995-01-17 1997-05-13 Sanyo Electric Co., Ltd. Electronic parts-mounting apparatus
CN102322501A (en) * 2011-08-05 2012-01-18 太原重工股份有限公司 The assembly method of the closed Transmitted chains of double shunting reducer
CN102606634A (en) * 2012-03-30 2012-07-25 四川宏华石油设备有限公司 Centering device of helical gears at two ends of gear shaft and manufacture and assembling method thereof
CN106271612A (en) * 2016-10-10 2017-01-04 杨萌茜 Assembly machine for assembling gear, bearing and gear shaft
CN208231246U (en) * 2018-05-29 2018-12-14 佛山华数机器人有限公司 A kind of automatic assembly production line

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5628107A (en) * 1995-01-17 1997-05-13 Sanyo Electric Co., Ltd. Electronic parts-mounting apparatus
CN102322501A (en) * 2011-08-05 2012-01-18 太原重工股份有限公司 The assembly method of the closed Transmitted chains of double shunting reducer
CN102606634A (en) * 2012-03-30 2012-07-25 四川宏华石油设备有限公司 Centering device of helical gears at two ends of gear shaft and manufacture and assembling method thereof
CN106271612A (en) * 2016-10-10 2017-01-04 杨萌茜 Assembly machine for assembling gear, bearing and gear shaft
CN208231246U (en) * 2018-05-29 2018-12-14 佛山华数机器人有限公司 A kind of automatic assembly production line

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