CN105351513B - High-precision low-speed numerical control metering oil source speed regulating system - Google Patents
High-precision low-speed numerical control metering oil source speed regulating system Download PDFInfo
- Publication number
- CN105351513B CN105351513B CN201510948892.2A CN201510948892A CN105351513B CN 105351513 B CN105351513 B CN 105351513B CN 201510948892 A CN201510948892 A CN 201510948892A CN 105351513 B CN105351513 B CN 105351513B
- Authority
- CN
- China
- Prior art keywords
- speed
- main shaft
- speed reducer
- box body
- clutch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 16
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 44
- 239000000428 dust Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
Abstract
The invention discloses a high-precision low-speed numerical control metering oil source speed regulating system which comprises a reduction gearbox body, a reduction gear and a servo motor, wherein a cylinder barrel is fixed on one side of the upper part of the reduction gearbox body; a piston assembly is arranged in the cylinder barrel and is connected with a main shaft, a main shaft gear, a deep groove ball bearing and a tapered roller bearing are arranged on the main shaft, and a box body positioning flange is arranged on one side of the tapered roller bearing; the main shaft is connected with a connecting disc which is connected with a horizontal positioning plate; two ends of the horizontal positioning plate are connected with guide rods; a speed reducer is fixed on one side of the lower part of the speed reducer box body and is connected with a servo motor; the speed reducing device is connected with a clutch shaft, clutch teeth are arranged on the clutch shaft, the clutch shaft is connected with a hand wheel, and a gap bridge tooth assembly is arranged between the clutch teeth and the main shaft gear. Compared with the prior art, the invention has the advantages that: the multi-stage planetary speed reducer and the multi-stage turbine speed reducer are utilized to increase the speed reduction ratio, and the system has self-locking property; the energy consumption of the equipment is reduced; low labor consumption.
Description
Technical Field
The invention relates to a supporting device of geotechnical engineering equipment, in particular to a high-precision low-speed numerical control metering oil source speed regulating system.
Background
The conventional speed regulating device has the following disadvantages:
the general hydraulic speed regulating valve can be used for long-term operation and high load, but solves the problem of ultralow speed. The best stable flow of the speed regulating valve can only reach 5m L/min and can reach 0.05mm/min after the large-diameter oil cylinder is matched. All the problems that the common hydraulic speed regulating valve can reach 0.2mm/min (the flow rate is 20 mL/min) are solved.
The electrohydraulic proportional valve is superior to the common hydraulic speed regulating valve, but can not meet the requirement of long-time and ultra-low speed operation, and can reach the difficulty of 0.2mm/min (flow 20 mL/min).
The electrohydraulic servo valve is a method capable of better controlling the speed to be stable, but besides a small amount of imported products can reach 0.01mm/min, the domestic products are difficult to solve the problem of ultralow speed working conditions, and the requirements on the cleanliness of oil way environments are extremely high, so that the requirements of long-time operation and work are difficult to meet.
All the three modes need long-term continuous speed operation of the oil pump, have large power consumption and are not energy-saving.
Disclosure of Invention
The invention aims to solve the defects and provides a high-precision low-speed numerical control metering oil source speed regulating system.
The above object of the present invention is achieved by the following technical solutions: a high-precision low-speed numerical control metering oil source speed regulating system is characterized in that: the device comprises a reduction gearbox body, a reduction gear and a servo motor, wherein a cylinder barrel is fixed on one side of the upper part of the reduction gearbox body, a cylinder cover is arranged at the outer side end of the cylinder barrel, an overpressure protection device is arranged on the cylinder cover, and a sealing ring is arranged between the cylinder cover and the cylinder barrel;
the cylinder barrel is internally provided with a piston assembly, the piston assembly is connected with a main shaft, a main shaft gear is arranged on the main shaft, one side of the main shaft gear is provided with a deep groove ball bearing, one side of the deep groove ball bearing is provided with a tapered roller bearing, two sides of the deep groove ball bearing are provided with check rings, the main shaft gear, the deep groove ball bearing and the tapered roller bearing are all positioned in a reduction gearbox body, and one side of the tapered roller bearing is provided with a gearbox body positioning flange;
the main shaft extends out of the box body positioning flange and is connected with the connecting disc through a pin, the connecting disc is connected with the horizontal positioning plate, one side of the horizontal positioning plate is provided with a main shaft stop block, and the main shaft stop block is connected with the connecting disc through a bolt;
two ends of the horizontal positioning plate are connected with guide rods, and the guide rods penetrate through the gearbox body;
a speed reducer is fixed on one side of the lower part of the speed reducer box body and is connected with a servo motor; the speed reducing device is connected with a clutch shaft arranged at the lower part of the speed reducing box body, a shaft sleeve is arranged between the clutch shaft and the speed reducing box body, clutch teeth are arranged on the clutch shaft, the other end of the clutch shaft is connected with a hand wheel, and a gap bridge tooth assembly fixed on the speed reducing box body through a combined cover nut is arranged between the clutch teeth and the main shaft gear; the guide rod is provided with a guide rod stop block.
And a main shaft dust cover is arranged outside the main shaft between the box body positioning flange and the horizontal positioning plate through a fixing ring.
The guide rod is provided with a guide rod dust cover.
The speed reducer comprises a first speed reducer and a second speed reducer, and the first speed reducer is connected with the second speed reducer.
The first speed reducer is a multi-stage star speed reducer.
The second speed reducer is a multi-stage turbine speed reducer.
Compared with the prior art, the invention has the advantages that:
1. the multi-stage planetary speed reducer and the multi-stage turbine speed reducer are utilized, firstly, the speed reduction ratio is increased, secondly, the system has self-locking property, and even if the servo motor stops working without adopting a brake and energy, the pressure can be automatically kept stable, so that the device is particularly suitable for pressure-maintaining operation equipment, and is energy-saving and environment-friendly.
2. In order to reduce the energy consumption of the system, the invention also provides an energy-saving product by utilizing the deep groove ball bearing and the tapered roller bearing with high transmission efficiency to achieve the purpose of reducing the energy consumption of equipment.
3. Because the servo motor has good driving performance at low speed, the invention is applied to a 1500kN triaxial test machine (similar to a 1500KN rigid pressure test machine, the oil pump motor of which is at least more than 3kW and needs to run for a long time) of products of the company, the maximum power of the scheme is only needed to be driven by a 750W servo motor, the servo motor works at the lowest frequency or in a stop state under the control of a computer at low speed and in pressure maintaining operation, full-load work is not needed, the average work consumption is low, and the energy-saving effect is obvious for rheological test equipment and the like working for a long time.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic diagram of the right-side view of fig. 1.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a right-side view of fig. 3.
Detailed Description
The invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2, 3 and 4, a high-precision low-speed numerical control metering oil source speed regulating system comprises a reduction gearbox body 1, a reduction gear 2 and a servo motor 3, wherein a cylinder 4 is fixed on one side of the upper part of the reduction gearbox body 1, a cylinder cover 5 is arranged at the outer side end of the cylinder 4, an overpressure protection device 6 is arranged on the cylinder cover 5, and a sealing ring 7 is arranged between the cylinder cover 5 and the cylinder 4;
the cylinder barrel 4 is internally provided with a piston assembly 8, the piston assembly 8 is connected with a main shaft 9, a main shaft gear 10 is arranged on the main shaft 9, one side of the main shaft gear 10 is provided with a deep groove ball bearing 11, one side of the deep groove ball bearing 11 is provided with a tapered roller bearing 12, two sides of the deep groove ball bearing 11 are provided with check rings 13, the main shaft gear 10, the deep groove ball bearing 11 and the tapered roller bearing 12 are all positioned in a reduction gearbox body 1, and one side of the tapered roller bearing 12 is provided with a box body positioning flange 14;
the main shaft 9 extends out of the box body positioning flange 14 and is connected with the connecting disc 16 through the pin 15, the connecting disc 16 is connected with the horizontal positioning plate 17, one side of the horizontal positioning plate 17 is provided with a main shaft stop block 18, and the main shaft stop block 18 is connected with the connecting disc 16 through a bolt 19;
the two ends of the horizontal positioning plate 17 are connected with guide rods 20, and the guide rods 20 penetrate through the reduction gearbox body 1;
a speed reducer 2 is fixed on one side of the lower part of the speed reducer box body 1, and the speed reducer 2 is connected with a servo motor 3; the speed reducer 2 is connected with a clutch shaft 21 arranged at the lower part of the speed reducer box body 1, a shaft sleeve 22 is arranged between the clutch shaft 21 and the speed reducer box body 1, clutch teeth 23 are arranged on the clutch shaft 21, the other end of the clutch shaft 21 is connected with a hand wheel 24, and a gap bridge tooth assembly 25 fixed on the speed reducer box body 1 through a combined cap nut 30 is arranged between the clutch teeth 23 and the main shaft gear 10; the guide bar 20 is provided with a guide bar stop 29.
A main shaft dust cover 27 is arranged outside the main shaft 9 between the box body positioning flange 14 and the horizontal positioning plate 17 through a fixed ring 26.
The guide bar 20 is provided with a guide bar dust cover 28.
The speed reducer 2 comprises a first speed reducer 2-1 and a second speed reducer 2-2, and the first speed reducer 2-1 is connected with the second speed reducer 2-2.
The first speed reducer 2-1 is a multi-stage star speed reducer.
The second speed reducer 2-2 is a multi-stage turbine speed reducer.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (4)
1. A high-precision low-speed numerical control metering oil source speed regulating system is characterized in that: the device comprises a reduction gearbox body, a reduction gear and a servo motor, wherein a cylinder barrel is fixed on one side of the upper part of the reduction gearbox body, a cylinder cover is arranged at the outer side end of the cylinder barrel, an overpressure protection device is arranged on the cylinder cover, and a sealing ring is arranged between the cylinder cover and the cylinder barrel;
the cylinder barrel is internally provided with a piston assembly, the piston assembly is connected with a main shaft, a main shaft gear is arranged on the main shaft, one side of the main shaft gear is provided with a deep groove ball bearing, one side of the deep groove ball bearing is provided with a tapered roller bearing, two sides of the deep groove ball bearing are provided with check rings, the main shaft gear, the deep groove ball bearing and the tapered roller bearing are all positioned in a reduction gearbox body, and one side of the tapered roller bearing is provided with a gearbox body positioning flange;
the main shaft extends out of the box body positioning flange and is connected with the connecting disc through a pin, the connecting disc is connected with the horizontal positioning plate, one side of the horizontal positioning plate is provided with a main shaft stop block, and the main shaft stop block is connected with the connecting disc through a bolt;
two ends of the horizontal positioning plate are connected with guide rods, and the guide rods penetrate through the gearbox body;
a speed reducer is fixed on one side of the lower part of the speed reducer box body and is connected with a servo motor; the speed reducing device is connected with a clutch shaft arranged at the lower part of the speed reducing box body, a shaft sleeve is arranged between the clutch shaft and the speed reducing box body, clutch teeth are arranged on the clutch shaft, the other end of the clutch shaft is connected with a hand wheel, and a gap bridge tooth assembly fixed on the speed reducing box body through a combined cover nut is arranged between the clutch teeth and the main shaft gear;
a main shaft dust cover is arranged outside the main shaft between the box body positioning flange and the horizontal positioning plate through a fixing ring; the guide rod is provided with a guide rod dust cover.
2. The high-precision low-speed numerical control metering oil source speed regulating system according to claim 1, wherein the system is characterized in that: the speed reducer comprises a first speed reducer and a second speed reducer, and the first speed reducer is connected with the second speed reducer.
3. The high-precision low-speed numerical control metering oil source speed regulating system according to claim 2, wherein the system is characterized in that: the first speed reducer is a multi-stage star speed reducer.
4. The high-precision low-speed numerical control metering oil source speed regulating system according to claim 2, wherein the system is characterized in that: the second speed reducer is a multi-stage turbine speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948892.2A CN105351513B (en) | 2015-12-18 | 2015-12-18 | High-precision low-speed numerical control metering oil source speed regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948892.2A CN105351513B (en) | 2015-12-18 | 2015-12-18 | High-precision low-speed numerical control metering oil source speed regulating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105351513A CN105351513A (en) | 2016-02-24 |
| CN105351513B true CN105351513B (en) | 2023-12-22 |
Family
ID=55327544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510948892.2A Active CN105351513B (en) | 2015-12-18 | 2015-12-18 | High-precision low-speed numerical control metering oil source speed regulating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105351513B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107237865B (en) * | 2017-06-09 | 2019-04-16 | 南京理工大学 | A kind of light-duty capstan head steering wheel |
| CN113820220A (en) * | 2021-11-22 | 2021-12-21 | 成都东华卓越科技有限公司 | Large-scale coarse-grained soil triaxial testing machine and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281123Y (en) * | 2008-09-10 | 2009-07-29 | 济南二机床集团有限公司 | III-gear speed changing hydraulic shifting cylinder |
| CN201559067U (en) * | 2009-10-11 | 2010-08-25 | 襄樊博亚精工机器有限公司 | Electric-hydraulic direct-drive division rotary table |
| CN203784268U (en) * | 2014-03-14 | 2014-08-20 | 徐州凯尔农业装备股份有限公司 | Push-pull automatic restorer for sugarcane loader |
| CN104565318A (en) * | 2014-12-29 | 2015-04-29 | 雷永志 | Speed reducing machine adopting air cylinder for driving main shaft to realize telescopic moving |
| CN205260804U (en) * | 2015-12-18 | 2016-05-25 | 成都东华卓越科技有限公司 | High accuracy low -speed numerical control measurement oil sources speed control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6312152B2 (en) * | 2012-06-26 | 2018-04-18 | シェフラー テクノロジーズ アー・ゲー ウント コー． カー・ゲーＳｃｈａｅｆｆｌｅｒ Ｔｅｃｈｎｏｌｏｇｉｅｓ ＡＧ ＆ Ｃｏ． ＫＧ | Protocol conversion method for programming a transmission and clutch controller |
-
2015
- 2015-12-18 CN CN201510948892.2A patent/CN105351513B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201281123Y (en) * | 2008-09-10 | 2009-07-29 | 济南二机床集团有限公司 | III-gear speed changing hydraulic shifting cylinder |
| CN201559067U (en) * | 2009-10-11 | 2010-08-25 | 襄樊博亚精工机器有限公司 | Electric-hydraulic direct-drive division rotary table |
| CN203784268U (en) * | 2014-03-14 | 2014-08-20 | 徐州凯尔农业装备股份有限公司 | Push-pull automatic restorer for sugarcane loader |
| CN104565318A (en) * | 2014-12-29 | 2015-04-29 | 雷永志 | Speed reducing machine adopting air cylinder for driving main shaft to realize telescopic moving |
| CN205260804U (en) * | 2015-12-18 | 2016-05-25 | 成都东华卓越科技有限公司 | High accuracy low -speed numerical control measurement oil sources speed control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351513A (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103963334B (en) | A kind of energy-saving type servo hydraulic machine of the mechanical-hydraulic compound with elbow-bar mechanism | |
| CN103671302A (en) | Hinge rod hydraulic pressurizing device and hydraulic press machine | |
| CN105351513B (en) | High-precision low-speed numerical control metering oil source speed regulating system | |
| CN101251104A (en) | Gear pump using water as pressure medium | |
| CN104891392A (en) | Small-tonnage electric forklift lifting device | |
| CN203557035U (en) | Lifting mechanism driven in reciprocating manner | |
| CN204245128U (en) | Portable self-weighing leading screw tobacco-bale press | |
| CN202517333U (en) | Ram deflection compensation mechanism for heavy numerical-control floor-type milling-boring machine | |
| CN203453178U (en) | Energy-saving roll bending cylinder block | |
| CN201535282U (en) | Double-tapping large-travel oil cylinder | |
| CN102434422B (en) | Pumping device and lubricating method thereof | |
| CN205047578U (en) | Numerical control hydraulic pressure sheet material tubulation make -up machine and hydraulic cylinder thereof | |
| CN205895759U (en) | Two -way automation cushions hydraulic cylinder | |
| CN202903600U (en) | Servo drive loader | |
| CN201843850U (en) | Hydraulic cylinder component | |
| CN205260804U (en) | High accuracy low -speed numerical control measurement oil sources speed control system | |
| CN205001284U (en) | Numerical control hydro -cylinder | |
| CN204628478U (en) | Angling cylinder drives swivel gear | |
| CN203836117U (en) | Lifting device for rock drilling | |
| CN205001280U (en) | Oval hydro -cylinder of numerical control | |
| CN105221699A (en) | Rotating lever hydraulic drive rotates energy-saving power-boost device | |
| CN204585903U (en) | Roller press briquetting hydraulic means and roller press briquetting system | |
| CN204752118U (en) | Light -tonnage electric fork -lift plays to rise device | |
| CN205639578U (en) | Anchor ring turbine reducing gear box lubricating arrangement | |
| CN204420016U (en) | A kind of Novel power head speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |