CN115031015A - Gear backlash adjusting device - Google Patents

Gear backlash adjusting device Download PDF

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Publication number
CN115031015A
CN115031015A CN202210802980.1A CN202210802980A CN115031015A CN 115031015 A CN115031015 A CN 115031015A CN 202210802980 A CN202210802980 A CN 202210802980A CN 115031015 A CN115031015 A CN 115031015A
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CN
China
Prior art keywords
gear
positioning shaft
rod
auxiliary positioning
telescopic rod
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Granted
Application number
CN202210802980.1A
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Chinese (zh)
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CN115031015B (en
Inventor
钱仕全
王一江
陆金龙
高俊
代洪运
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FAW Jiefang Automotive Co Ltd
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FAW Jiefang Automotive Co Ltd
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Priority to CN202210802980.1A priority Critical patent/CN115031015B/en
Publication of CN115031015A publication Critical patent/CN115031015A/en
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    • 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
    • F16H57/12Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • 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
    • F16H57/12Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/125Adjustment of backlash during mounting or assembly of gearing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)

Abstract

The invention belongs to the technical field of gear transmission and discloses a gear backlash adjusting device. The gear backlash adjusting device comprises a main positioning shaft, an auxiliary positioning shaft and a telescopic rod; the main positioning shaft is in matched insertion connection with a gear hole of a gear to be installed; the auxiliary positioning shaft is matched and spliced with a gear hole of the installed gear; one end of the telescopic rod is rotatably connected with the main positioning shaft, the other end of the telescopic rod is provided with the auxiliary positioning shaft, and the telescopic rod is used for adjusting the distance between the axis of the main positioning shaft and the axis of the auxiliary positioning shaft to be a preset value so as to enable the gear to be installed to be meshed with the installed gear. The gear backlash adjusting device has the advantages of simple structure and convenience in use, can conveniently position the gear to be installed and adjust the backlash, and improves the installation efficiency and the installation precision of the gear.

Description

Gear backlash adjusting device
Technical Field
The invention relates to the technical field of gear transmission, in particular to a gear backlash adjusting device.
Background
Gears are important transmission elements and play an important role in the field of automobile manufacturing. Backlash of the gear pair refers to the clearance between the non-working tooth surfaces when a pair of gears are engaged. The proper backlash can compensate the extrusion of the gear teeth caused by stress deformation and frictional heating expansion, is beneficial to the formation of a lubricating oil film, reduces the friction force between the gear teeth, plays a role in lubrication, reduces the damage to the gear teeth, prolongs the service life of the gear, can also compensate assembly errors, and prevents the phenomenon of locking in the transmission process. However, with the development of automobile engines, reduction gearboxes and various intelligent devices, gear transmission systems become more complex, and adjustment of backlash during installation, debugging or repair of gears takes a lot of time and labor cost.
Disclosure of Invention
The invention aims to provide a gear backlash adjusting device which is simple in structure and convenient to use, can conveniently position a gear to be installed and adjust backlash, and improves the installation efficiency and the installation precision of the gear.
In order to achieve the purpose, the invention adopts the following technical scheme:
the gear backlash adjusting device comprises a main positioning shaft, an auxiliary positioning shaft and a telescopic rod; the main positioning shaft is in matched insertion connection with a gear hole of a gear to be installed; the auxiliary positioning shaft is matched and spliced with a gear hole of the installed gear; one end of the telescopic rod is rotatably connected with the main positioning shaft, the other end of the telescopic rod is provided with the auxiliary positioning shaft, and the telescopic rod is used for adjusting the distance between the axis of the main positioning shaft and the axis of the auxiliary positioning shaft to be a preset value so as to enable the gear to be installed to be meshed with the installed gear.
Optionally, the telescopic rod comprises an outer rod and an inner rod, one end of the outer rod is rotatably connected with the main positioning shaft, and the other end of the outer rod is provided with an opening; one end of the inner rod is inserted into the outer rod through an opening, the other end of the inner rod is provided with an auxiliary positioning shaft, and the outer wall of the inner rod is connected with the inner wall of the outer rod in a sliding mode.
Optionally, the telescopic link still includes set nut, and the outer pole is kept away from the one end of main location axle and is seted up with set nut complex screw thread mounting hole, and set nut can be fixed in the interior pole on the outer pole.
Optionally, an observation through hole is formed in the outer rod, and the observation through hole and the main positioning shaft are arranged coaxially.
Optionally, the outer and inner rods are both square in cross-section.
Optionally, the outer and inner rods are each made of stainless steel square tubing.
Optionally, a displacement sensor is arranged in the telescopic rod, and the displacement sensor can measure and output the distance between the axis of the main positioning shaft and the axis of the auxiliary positioning shaft.
Optionally, a display device is installed outside the telescopic rod, and the display device is electrically connected with the displacement sensor and can display the distance output by the displacement sensor.
Optionally, the one end that the telescopic link was kept away from to the assistance-localization real-time axle is provided with the location boss, fixes a position the assistance-localization real-time axle when the location boss is used for processing the assistance-localization real-time axle.
Optionally, the auxiliary positioning shafts and the telescopic rod are provided with a plurality of shafts, and the plurality of auxiliary positioning shafts are arranged at one end of the telescopic rod in a one-to-one correspondence manner.
Has the advantages that:
this gear backlash adjusting device is through inserting main location axle and auxiliary positioning axle respectively and establishing and treating installation gear and installed the gear, and adjust the distance between main location axle axis and the auxiliary positioning axle axis through the length of adjustment telescopic link, make this distance reach the default, when realizing treating installation gear and installed gear engagement, treat that the side clearance of installing gear and installed gear also can satisfy the user demand, the tensile regulation of telescopic link, can the person of facilitating the use installation debug treat the installation gear and treat the side clearance of installing gear and installed gear, the installation efficiency is improved, reduce the cost of labor.
Drawings
Fig. 1 is a schematic view of a gear backlash adjustment apparatus according to an embodiment of the present invention.
In the figure:
10. a main positioning shaft; 20. auxiliary positioning of the shaft; 21. positioning the boss; 30. a telescopic rod; 31. an outer rod; 311. observing the through hole; 32. an inner rod; 33. positioning a nut; 34. a display device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Referring to fig. 1, in the present embodiment, the gear backlash adjusting device includes a main positioning shaft 10, an auxiliary positioning shaft 20, and an expansion rod 30; the main positioning shaft 10 is matched and spliced with a gear hole of a gear to be installed; the auxiliary positioning shaft 20 is matched and inserted with a gear hole of the installed gear; one end of the telescopic rod 30 is rotatably connected with the main positioning shaft 10, the auxiliary positioning shaft 20 is installed at the other end of the telescopic rod 30, and the telescopic rod 30 is used for adjusting the distance between the axis of the main positioning shaft 10 and the axis of the auxiliary positioning shaft 20 to be a preset value so that a gear to be installed is meshed with the installed gear.
This gear backlash adjusting device is through inserting main location axle 10 and auxiliary positioning axle 20 respectively and establishing and treating installation gear and installed the gear, and adjust the distance between main location axle 10 axis and the auxiliary positioning axle 20 axis through the length of adjustment telescopic link 30, make this distance reach the default, when realizing treating installation gear and installed gear meshing, treat that the side clearance of installing gear and installed gear also can satisfy the user demand, the tensile regulation of telescopic link 30, can the person of facilitating the use installation debug treat the installation gear and treat the side clearance of installing gear and installed gear, and the installation efficiency is improved, and the labor cost is reduced. Specifically, the selection of the preset value of the backlash can be determined by those skilled in the art according to the size of the gear, the rotation speed, the transmission ratio, and the like, and is not limited herein.
In the present embodiment, the auxiliary positioning shafts 20 and the telescopic rod 30 are provided in plurality, and the plurality of auxiliary positioning shafts 20 are mounted at one end of the telescopic rod 30 in a one-to-one correspondence manner. The auxiliary positioning shafts 20 are matched and spliced with the installed gears, so that when the gears to be installed are installed, the backlash of the gears to be installed and the installed gears can be adjusted to a required value at the same time, and the operation efficiency is improved. In this embodiment, the auxiliary positioning shafts 20 and the telescopic rod 30 are respectively provided with 2, and the 2 auxiliary positioning shafts 20 are correspondingly installed at one end of the telescopic rod 30.
Further, the telescopic rod 30 comprises an outer rod 31 and an inner rod 32, one end of the outer rod 31 is rotatably connected with the main positioning shaft 10, and the other end of the outer rod 31 is provided with an opening; one end of the inner rod 32 is inserted into the outer rod 31 through an opening, the other end of the inner rod is provided with the auxiliary positioning shaft 20, and the outer wall of the inner rod 32 is connected with the inner wall of the outer rod 31 in a sliding mode. The telescopic rod 30 arranged in this way is simple in structure, the inner rod 32 is extended and retracted from the inner part of the outer rod 31 through the sliding connection of the inner rod 32 and the outer rod 31, the telescopic function is achieved, the action is stable, and the accuracy of the distance change between the auxiliary positioning shaft 20 and the axis of the main positioning shaft 10 is improved.
Optionally, the telescopic rod 30 further includes a positioning nut 33, one end of the outer rod 31, which is away from the main positioning shaft 10, is provided with a threaded mounting hole matched with the positioning nut 33, and the positioning nut 33 can fix the inner rod 32 on the outer rod 31. This set nut 33 can be when the length of telescopic link 30 reaches the default, be fixed in outer pole 31 with interior pole 32 on, realize both fixed connection for the length of telescopic link 30 remains the length that has been adjusted throughout, and when the installation waited to install the gear, its installation accuracy is higher.
In this embodiment, the outer rod 31 is provided with an observation through hole 311, and the observation through hole 311 is coaxially arranged with the main positioning shaft 10. Specifically, the observation through hole 311 extends toward the axial direction of the main positioning shaft 10, and passes through the main positioning shaft 10, so that a user can visually detect the installation state of the gear to be installed through the observation through hole 311.
In a preferred embodiment, the outer rod 31 and the inner rod 32 are square in cross-section. Further, the outer rod 31 and the inner rod 32 are each made of a stainless steel square tube. The cross sections of the outer rod 31 and the inner rod 32 which are made of stainless steel square tubes are square, after the square outer rod 31 and the square inner rod 32 are installed, the inner rod 32 can smoothly slide in the outer rod 31, and the outer rod 31 and the inner rod 32 can also be mutually limited, so that the inner rod 32 is prevented from rotating in the outer rod 31, and the accuracy of installing and positioning the gear to be installed is improved.
Optionally, a displacement sensor is arranged in the telescopic rod 30, and the displacement sensor can measure and output the distance between the axis of the main positioning shaft 10 and the axis of the auxiliary positioning shaft 20. Further, a display device 34 is installed outside the telescopic rod 30, and the display device 34 is electrically connected with the displacement sensor and can display the distance output by the displacement sensor. The length of measurement telescopic link 30 that this displacement sensor can be convenient, the distance between main location axle 10 axis and the auxiliary positioning axle 20 axis that also is, can directly read this distance through display device 34, and convenience of customers judges whether this distance reaches the default and carries out subsequent regulation step. Meanwhile, after the gear to be installed is installed, a user can also insert the main positioning shaft 10 and the auxiliary positioning shaft 20 into the two gears respectively, directly read the distance between the axes of the two gears, and judge whether the gear is installed qualified or not and whether the gear backlash meets the use requirement or not, thereby adjusting the distance between the two gears.
Optionally, one end of the auxiliary positioning shaft 20, which is away from the telescopic rod 30, is provided with a positioning boss 21, and the positioning boss 21 is used for positioning the auxiliary positioning shaft 20 when the auxiliary positioning shaft 20 is machined. This location boss 21 can be when processing auxiliary positioning axle 20, can fix a position auxiliary positioning axle 20 to improve auxiliary positioning axle 20's machining precision, after this gear backlash adjusting device is accomplished in the preparation, can make the axis of main location axle 10 and auxiliary positioning axle 20's axis remain parallel throughout, thereby the distance between the two is more accurate, makes the installation accuracy of waiting to install the gear higher.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A gear backlash adjustment device, comprising:
the main positioning shaft (10), the main positioning shaft (10) is matched and spliced with a gear hole of a gear to be installed;
the auxiliary positioning shaft (20), the auxiliary positioning shaft (20) is matched and spliced with a gear hole of an installed gear;
the auxiliary positioning device comprises a telescopic rod (30), one end of the telescopic rod (30) is rotatably connected with the main positioning shaft (10), the other end of the telescopic rod is provided with the auxiliary positioning shaft (20), and the telescopic rod (30) is used for adjusting the distance between the axis of the main positioning shaft (10) and the axis of the auxiliary positioning shaft (20) to be a preset value, so that the gear to be installed is meshed with the installed gear.
2. The gear backlash adjustment device according to claim 1, wherein the telescopic rod (30) comprises an outer rod (31) and an inner rod (32), one end of the outer rod (31) is rotatably connected with the main positioning shaft (10), and the other end is provided with an opening; one end of the inner rod (32) is inserted into the outer rod (31) through the opening, the auxiliary positioning shaft (20) is installed at the other end of the inner rod, and the outer wall of the inner rod (32) is connected with the inner wall of the outer rod (31) in a sliding mode.
3. The gear backlash adjusting device according to claim 2, wherein the telescopic rod (30) further comprises a positioning nut (33), one end of the outer rod (31) far away from the main positioning shaft (10) is provided with a threaded mounting hole matched with the positioning nut (33), and the positioning nut (33) can fix the inner rod (32) on the outer rod (31).
4. The gear backlash adjustment device according to claim 2, wherein said outer lever (31) is provided with an observation through hole (311), and said observation through hole (311) is coaxially arranged with said main positioning shaft (10).
5. Gear backlash adjustment device according to claim 2, wherein said outer rod (31) and inner rod (32) are square in cross-section.
6. The gear backlash adjustment device according to claim 5, wherein said outer rod (31) and inner rod (32) are made of stainless steel square tubes.
7. Gear backlash adjustment device according to claim 1, wherein a displacement sensor is arranged in the telescopic rod (30) and is able to measure and output the distance between the axis of the primary positioning shaft (10) and the axis of the secondary positioning shaft (20).
8. The gear backlash adjusting device according to claim 7, wherein a display device (34) is mounted outside the telescopic rod (30), and the display device (34) is electrically connected with the displacement sensor and can display the distance output by the displacement sensor.
9. The gear backlash adjustment device according to claim 1, wherein a positioning boss (21) is provided at an end of the auxiliary positioning shaft (20) away from the telescopic rod (30), and the positioning boss (21) is used for positioning the auxiliary positioning shaft (20) when the auxiliary positioning shaft (20) is machined.
10. The gear backlash adjusting device according to any one of claims 1 to 9, wherein a plurality of auxiliary positioning shafts (20) and a plurality of telescopic rods (30) are provided, and the plurality of auxiliary positioning shafts (20) are mounted at one end of the telescopic rods (30) in a one-to-one correspondence manner.
CN202210802980.1A 2022-07-07 2022-07-07 Gear backlash adjusting device Active CN115031015B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210802980.1A CN115031015B (en) 2022-07-07 2022-07-07 Gear backlash adjusting device

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Application Number Priority Date Filing Date Title
CN202210802980.1A CN115031015B (en) 2022-07-07 2022-07-07 Gear backlash adjusting device

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CN115031015A true CN115031015A (en) 2022-09-09
CN115031015B CN115031015B (en) 2024-05-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457661A (en) * 2014-04-01 2015-03-25 太原重工股份有限公司 Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism
US20160281829A1 (en) * 2015-03-27 2016-09-29 Blickle Sondermaschinen Gmbh & Co. Kg Device for Carrying out a Linear Displacement of Two Shafts Positioned Parallel to Each Other
CN207316000U (en) * 2017-09-11 2018-05-04 河北创力机电科技有限公司 A kind of rack and pinion engagement device
CN209164488U (en) * 2018-09-29 2019-07-26 郑州工业应用技术学院 The device in cone tooth cylindrical gearing pair gap is eliminated using pressure spring
CN213017644U (en) * 2020-06-08 2021-04-20 迪斯凯瑞传动科技(无锡)有限公司 Gap eliminating device for gear and rack transmission
CN216045324U (en) * 2021-08-30 2022-03-15 无锡元意达科技有限公司 Linear driving device with automatic clearance compensation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104457661A (en) * 2014-04-01 2015-03-25 太原重工股份有限公司 Detecting device capable of adjusting transmission gap and transmission gap adjusting mechanism
US20160281829A1 (en) * 2015-03-27 2016-09-29 Blickle Sondermaschinen Gmbh & Co. Kg Device for Carrying out a Linear Displacement of Two Shafts Positioned Parallel to Each Other
CN207316000U (en) * 2017-09-11 2018-05-04 河北创力机电科技有限公司 A kind of rack and pinion engagement device
CN209164488U (en) * 2018-09-29 2019-07-26 郑州工业应用技术学院 The device in cone tooth cylindrical gearing pair gap is eliminated using pressure spring
CN213017644U (en) * 2020-06-08 2021-04-20 迪斯凯瑞传动科技(无锡)有限公司 Gap eliminating device for gear and rack transmission
CN216045324U (en) * 2021-08-30 2022-03-15 无锡元意达科技有限公司 Linear driving device with automatic clearance compensation

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