CN112154890A - Lubricating method and device for saw blade of felling machine chain saw - Google Patents
Lubricating method and device for saw blade of felling machine chain saw Download PDFInfo
- Publication number
- CN112154890A CN112154890A CN202010946003.XA CN202010946003A CN112154890A CN 112154890 A CN112154890 A CN 112154890A CN 202010946003 A CN202010946003 A CN 202010946003A CN 112154890 A CN112154890 A CN 112154890A
- Authority
- CN
- China
- Prior art keywords
- oil
- chain saw
- saw blade
- connecting rod
- lubricating
- 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.)
- Granted
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/02—Transplanting, uprooting, felling or delimbing trees
- A01G23/08—Felling trees
- A01G23/091—Sawing apparatus specially adapted for felling trees
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Sawing (AREA)
Abstract
The invention discloses a lubricating device for a saw blade of a felling machine chain saw, which comprises a hydraulic motor, wherein a saw plate deflection bearing seat is sleeved at the output end of the hydraulic motor, a connecting rod seat is sleeved on the output end of the hydraulic motor at one side of the saw plate deflection bearing seat, a connecting rod seat lubricating oil pipe joint is fixedly installed at the position, close to the outer edge, of one side of the connecting rod seat, and an oil pipe is fixedly installed at the outer end of the connecting rod seat lubricating oil pipe joint. According to the invention, through the mutual matching of the high-level oil tank of the saw plate of the chain saw and the oil groove of the guide plate, independent oil supply can be realized, so that the labor intensity of an operator is reduced, and the reliability of the lubricating oil of the chain saw is ensured. The purpose of energy saving and consumption reduction is achieved, the occurrence of corrosion and heating aging is avoided, the service life of the chain saw is effectively prolonged, meanwhile, the lubricating device is lighter in use, the problem that an oil pipe is exposed and easy to damage is avoided, the defect that oil supply is unstable is overcome, and the hidden danger of lubricating and cooling of a chain in the later period under a complex environment is reduced.
Description
Technical Field
The invention relates to the technical field of fellers, in particular to a method and a device for lubricating a saw blade of a chain saw of a feller.
Background
The use of chain saw chains in fellers has been very widespread, the transmission and transport functions of the chain being irreplaceable in many cases. If the operation maintenance to the chain saw blade can combine production operating condition, can carry out cost control again, improve its life, with the effect of best performance chain, the use occasion of feller chain is mostly the load big, the environment is abominable, the place that frequency of use is high, therefore the damage of chain mainly shows chain fracture or wearing and tearing, an important reason for causing these damages is that the chain can not get timely effectual lubrication, appear corroding, phenomenons such as rust, effectively reliable provides lubricated one-tenth for prolonging its life for the chain saw chain, reduce cost's key.
In the existing chain saw chain lubricating mode of the felling machine, in order to realize the lubrication of the chain, a high-pressure lubricating oil pipe is usually directly arranged outside a guide plate seat, and the lubricating oil is directly supplied to the chain through an oil nozzle above the chain of the chain saw. However, the method that the oil source is supplied to the saw chain through the finish machining oil cavity in the structural part has the defects that the requirement on the machining precision of the oil cavity is very high, if a fault occurs and the spare part needs to be replaced, the replacement cost of a single spare part can be purchased by a new feller, and if the mechanical machining production line is upgraded and replaced, the investment of equipment is bound to cause the increase of the selling cost of the feller, and the market selling can be influenced.
Disclosure of Invention
The invention aims to provide a lubricating method and a device for a chain saw blade of a felling machine, which aim to solve the problems that in the existing lubricating mode of the chain saw chain of the felling machine, which is provided by the background art, in order to lubricate the chain, a high-pressure lubricating oil pipe is usually directly arranged outside a guide plate seat, the upper part of the chain saw chain is directly supplied with lubricating oil to the chain through an oil nozzle, the lubricating mode has the defects of no portability, easy damage caused by exposed oil pipes and unstable oil supply, brings great hidden danger to later-stage lubricating and cooling of the chain in a complex environment, in order to simplify a lubricating oil system, the lubricating oil and a hydraulic oil source of the chain saw blade are combined into one oil source, and the oil is conveyed to the chain saw blade through a fine machining oil cavity inside each structural part from the oil source, so that the external structure is relatively simple and reliable, the oil source is few, the control management is convenient, but the shortcoming is that the mode that adopts the oil source to supply to the saw chain through the inside finish machining oil pocket of structure, and the machining precision requirement to the oil pocket is very high, if meet the trouble and need carry out spare part replacement, the replacement cost of single spare part has already purchased new feller, if the upgrading of carrying out the machining production line is updated, and the input of equipment will certainly arouse the increase of feller sales cost, the problem that market sales may receive the influence.
In order to achieve the purpose, the invention provides the following technical scheme: a lubricating device for a saw blade of a felling machine chain saw comprises a hydraulic motor, wherein a saw plate deflection bearing seat is sleeved at the output end of the hydraulic motor, a connecting rod seat is sleeved on the output end of the hydraulic motor at one side of the saw plate deflection bearing seat, a connecting rod seat lubricating oil pipe joint is fixedly arranged at one side of the connecting rod seat close to the outer edge, an oil pipe is fixedly arranged at the outer end of the connecting rod seat lubricating oil pipe joint, therefore, one side of the hydraulic motor is provided with a chain saw blade high-level oil tank, the bottom of the chain saw blade high-level oil tank is provided with an oil tank and oil pipe interface, the bottom end of the oil pipe interface of the oil tank is connected with the outer end of the oil pipe, one side of the connecting rod seat is fixedly provided with a saw plate tensioning block through an inner angle screw, the saw plate tensioning block is fixedly provided with a chain saw blade guide plate through an inner angle screw, and the outer side of the chain saw blade guide plate is fixedly provided with a chain saw blade in a surrounding manner.
Preferably, the outer edge of the guide plate of the chain saw blade is provided with a guide plate oil groove in a surrounding manner, and the chain saw blade and lubricating oil in the guide plate oil groove adopt a semi-wetting contact mode.
Preferably, the surface of one side of the connecting rod seat is embedded with an O-shaped ring, and the outer sides of the inner angle screws are sleeved with elastic cushions.
Preferably, one side of the connecting rod seat is fixedly provided with a limiting flange through an inner angle screw, and the saw plate tensioning block is in an I-shaped shape formed by combining two side plate blocks and an inner side connecting column.
Preferably, a handle is fixedly mounted on the surface of one side of the hydraulic motor, and a set of oil pressure sensor is respectively arranged in the high-level oil tank of the saw plate of the chain saw and the oil cavity of the connecting rod seat.
A method for lubricating a saw blade of a feller chain saw, comprising the steps of:
s1, firstly, when daily felling operation is carried out, a high-level oil tank of a chain saw blade of the chain saw enters a connecting rod seat through a lubricating oil supply pipe, enters an oil cavity of a guide plate of the chain saw blade of the chain saw through an oil cavity in the connecting rod seat, a guide plate oil groove is formed in the top of the oil cavity, real-time lubrication of the chain saw blade of the chain saw is realized through the guide plate oil groove, the labor intensity of an operator is relieved through independent oil supply, the reliability of lubricating oil of the chain saw is guaranteed, the purposes of energy conservation and consumption reduction are achieved, corrosion is avoided, the heating and aging conditions occur, and the.
And S2, when the upper chain saw blade passes through the guide plate oil groove at the top of the guide plate of the chain saw blade, the lubricating oil in the guide plate oil groove is in a semi-wetting contact mode, and when the felling chain saw blade works, the lubricating oil is continuously taken out of the guide plate oil groove by the chain saw blade running at a high speed, so that the chain saw blade has enough lubricating oil to lubricate and cool.
S3, finally, in order to ensure that the oil in the oil groove of the guide plate has a certain oil pressure, and the requirement of continuous supply is met, a set of chain saw blade high-level oil tank is arranged, the lubricating oil with a corresponding quantity is added according to the working time and the intensity in a manual observation mode, in addition, a set of oil pressure sensor is respectively arranged in the chain saw blade high-level oil tank and in the oil cavity of the connecting rod seat and is used for detecting the condition of the lubricating oil in the operation mode, and the phenomenon that the abnormal condition cannot be found and processed in time in the chain saw blade high-level oil tank and the inside of the connecting rod seat is prevented, and.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the mutual matching of the high-level oil tank of the saw plate of the chain saw and the oil groove of the guide plate, independent oil supply can be realized, so that the labor intensity of an operator is reduced, and the reliability of the lubricating oil of the chain saw is ensured. The purpose of energy saving and consumption reduction is achieved, the occurrence of corrosion and heating aging is avoided, the service life of the chain saw is effectively prolonged, meanwhile, the lubricating device is lighter in use, the problem that an oil pipe is exposed and easy to damage is avoided, the defect that oil supply is unstable is overcome, and the hidden danger of lubricating and cooling of a chain in the later period under a complex environment is reduced.
The lubricating mode adopted by the invention can ensure that the lubricating and cooling of the chain have a reliable oil supply mode, can also meet the current market demand, and orderly and programmatically promote the application of new technology through market feedback, thereby greatly reducing the investment of equipment required by upgrading and updating of a machining production line and reducing the overall cost of the sale of the feller.
Drawings
FIG. 1 is a schematic, broken away view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the structure of the oil guide part of the present invention.
In the figure: 1. a connecting rod seat; 2. a chain saw blade high-level oil tank; 3. an oil pipe; 4. a chain saw blade guide plate; 5. the guide plate oil groove; 6. a chain saw blade; 7. an oil pipe interface of the oil tank; 8. the connecting rod seat lubricates the oil pipe interface; 9. a saw plate deflection bearing seat; 10. a hydraulic motor; 11. a saw plate tensioning block; 12. an inner angle screw; 13. a spring pad; 14. a limiting flange; 15. an O-shaped ring; 16. a handle.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a lubricating device for a saw blade of a chain saw of a felling machine comprises a hydraulic motor 10, wherein the output end of the hydraulic motor 10 is sleeved with a saw plate deflection bearing seat 9, the output end of the hydraulic motor 10 at one side of the saw plate deflection bearing seat 9 is sleeved with a connecting rod seat 1, a connecting rod seat lubricating oil pipe interface 8 is fixedly installed at the position, close to the outer edge, of one side of the connecting rod seat 1, an oil pipe 3 is fixedly installed at the outer end of the connecting rod seat lubricating oil pipe interface 8, a chain saw blade high-level oil tank 2 is arranged at one side of the hydraulic motor 10, an oil tank oil pipe interface 7 is arranged at the bottom of the chain saw blade high-level oil tank 2, the bottom end of the oil tank oil pipe interface 7 is connected with the outer end of the oil pipe 3, a saw blade tensioning block 11 is fixedly installed at one side of the connecting rod seat 1 through an inner angle screw 12, a chain saw blade guide plate 4 is fixedly installed on, the chain saw blade high-level oil tank 2 enters the connecting rod seat 1 through the lubricating oil supply pipe 3, an oil cavity in the connecting rod seat 1 enters an oil cavity of a chain saw blade guide plate 4, a guide plate oil groove 5 is formed in the top of the oil cavity, the chain saw blade 6 is lubricated in real time through the guide plate oil groove 5, the labor intensity of an operator is relieved through independent oil supply, the reliability of saw chain lubricating oil is guaranteed, the purposes of energy conservation and consumption reduction are achieved, the corrosion is avoided, the heating and aging condition is generated, and the service life of the chain saw is effectively prolonged.
The outer edge of a chain saw blade guide plate 4 is provided with a guide plate oil groove 5 in a surrounding mode, the chain saw blade 6 and lubricating oil in the guide plate oil groove 5 adopt a semi-wetting contact mode, when the felling machine chain saw blade 6 works, the lubricating oil is continuously taken out of the guide plate oil groove 5 by the chain saw blade 6 running at a high speed, so that the chain saw blade 6 has enough lubricating oil for lubrication and cooling, an O-shaped ring 15 is embedded and installed on the surface of one side of a connecting rod seat 1, elastic cushions 13 are sleeved on the outer sides of inner angle screws 12, the connection stability between parts is better, meanwhile, the joints of the parts all have certain buffer space to avoid the parts from being worn to cause fault looseness, a limiting flange 14 is fixedly installed on one side of the connecting rod seat 1 through the inner angle screws 12, a saw plate tensioning block 11 is in an I shape formed by combining two side plate blocks and an inner side connecting column, and a handle 16 is fixedly, and a set of oil pressure sensor is respectively arranged in the high-level oil tank 2 of the chain saw blade and the oil cavity of the connecting rod seat 1 and used for detecting the condition of lubricating oil in an operation mode and preventing abnormity from being found and processed in time in the high-level oil tank 2 of the chain saw blade and the connecting rod seat 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. A lubricating arrangement for a feller chain saw blade, comprising a hydraulic motor (10), characterized in that: the output end of the hydraulic motor (10) is sleeved with a saw plate deflection bearing seat (9), the output end of the hydraulic motor (10) on one side of the saw plate deflection bearing seat (9) is sleeved with a connecting rod seat (1), one side of the connecting rod seat (1) is close to the outer edge and is fixedly provided with a connecting rod seat lubricating oil pipe interface (8), the outer end of the connecting rod seat lubricating oil pipe interface (8) is fixedly provided with an oil pipe (3), one side of the hydraulic motor (10) is provided with a chain saw plate high-level oil tank (2), the bottom of the chain saw plate high-level oil tank (2) is provided with an oil tank oil pipe interface (7), the bottom of the oil tank oil pipe interface (7) is connected with the outer end of the oil pipe (3), one side of the connecting rod seat (1) is fixedly provided with a saw plate tensioning block (11) through an inner angle screw (12), the saw plate tensioning block (11) is fixedly provided with a saw guide plate (4) through, and a chain saw blade (6) is fixedly arranged on the outer side of the chain saw blade guide plate (4) in a surrounding manner.
2. A lubricating device for a saw blade of a feller chain saw as claimed in claim 1, wherein: the outer edge of the chain saw blade guide plate (4) is provided with a guide plate oil groove (5) in a surrounding mode, and the chain saw blade (6) and lubricating oil in the guide plate oil groove (5) adopt a semi-wetting contact mode.
3. A lubricating device for a saw blade of a feller chain saw as claimed in claim 1, wherein: the O-shaped ring (15) is embedded in the surface of one side of the connecting rod seat (1), and elastic cushions (13) are sleeved on the outer sides of the inner angle screws (12).
4. A lubricating device for a saw blade of a feller chain saw as claimed in claim 1, wherein: one side of the connecting rod seat (1) is fixedly provided with a limiting flange (14) through an inner angle screw (12), and the saw plate tensioning block (11) is in an I shape formed by combining two side plate blocks and an inner side connecting column.
5. A lubricating device for a saw blade of a feller chain saw as claimed in claim 1, wherein: a handle (16) is fixedly arranged on the surface of one side of the hydraulic motor (10), and a set of oil pressure sensor is respectively arranged in the high-level oil tank (2) of the saw plate of the chain saw and the oil cavity of the connecting rod seat (1).
6. A method for lubricating a saw blade of a feller chain saw is characterized in that: the method comprises the following steps:
s1, firstly, when daily felling operation is carried out, a chain saw blade high-level oil tank (2) enters a connecting rod seat (1) through a lubricating oil supply pipe (3), enters an oil cavity of a chain saw blade guide plate (4) through an oil cavity in the connecting rod seat (1), a guide plate oil groove (5) is formed in the top of the oil cavity, and real-time lubrication on a chain saw blade (6) is realized through the guide plate oil groove (5);
s2, when the upper side chain saw blade (6) passes through the guide plate oil groove (5) at the top of the chain saw blade guide plate (4), the lubricating oil in the chain saw blade (6) and the guide plate oil groove (5) adopts a semi-wetting contact mode, when the felling machine chain saw blade (6) works, the lubricating oil is continuously taken out of the guide plate oil groove (5) through the chain saw blade (6) which runs at a high speed, and therefore the chain saw blade (6) has enough lubricating oil to lubricate and cool;
s3, finally, in order to ensure that the oil in the guide plate oil groove (5) has certain oil pressure and meet the requirement of continuous supply, a set of chain saw blade high-level oil tank (2) is arranged, lubricating oil with corresponding quantity is added according to the working time and the intensity in a manual observation mode, and in addition, a set of oil pressure sensor is respectively arranged in the chain saw blade high-level oil tank (2) and the oil cavity of the connecting rod seat (1) and is used for detecting the condition of the lubricating oil in an operation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010946003.XA CN112154890B (en) | 2020-09-10 | 2020-09-10 | Lubricating method and device for saw blade of felling machine chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010946003.XA CN112154890B (en) | 2020-09-10 | 2020-09-10 | Lubricating method and device for saw blade of felling machine chain saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112154890A true CN112154890A (en) | 2021-01-01 |
| CN112154890B CN112154890B (en) | 2022-08-02 |
Family
ID=73857797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010946003.XA Active CN112154890B (en) | 2020-09-10 | 2020-09-10 | Lubricating method and device for saw blade of felling machine chain saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112154890B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233721A (en) * | 2021-11-08 | 2022-03-25 | 徐州徐工挖掘机械有限公司 | Hydraulic system for lubricating saw teeth of excavator and felling machine and control method thereof |
| WO2024016247A1 (en) * | 2022-07-21 | 2024-01-25 | 南京泉峰科技有限公司 | Chainsaw |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201399805Y (en) * | 2009-03-27 | 2010-02-10 | 浙江博大电器有限公司 | Portable electric chainsaw |
| CN104054524A (en) * | 2013-03-22 | 2014-09-24 | 南京德朔实业有限公司 | Chain saw |
| CN204800779U (en) * | 2015-08-11 | 2015-11-25 | 浙江中坚科技股份有限公司 | Take chain saw of lubricious device |
| CN106106033A (en) * | 2016-08-12 | 2016-11-16 | 天佑电器（苏州）有限公司 | Oil mass supplying regulator and chain saw lubrication oil automatically feed system |
| CN206326747U (en) * | 2016-08-11 | 2017-07-14 | 诺希德实业（深圳）有限公司 | A kind of pneumatic diamond chain saw machine of the aluminium alloy casing driven with air motor |
| CN108274540A (en) * | 2017-01-06 | 2018-07-13 | 南京德朔实业有限公司 | Chain saw |
| CN109042219A (en) * | 2018-10-09 | 2018-12-21 | 广西玉柴重工有限公司 | A kind of hydraulic tensioning formula tree-dozer chain saw control mechanism |
| CN109968458A (en) * | 2017-12-28 | 2019-07-05 | 苏州宝时得电动工具有限公司 | Chain saw assembly |
| CN111376351A (en) * | 2018-12-28 | 2020-07-07 | 南京德朔实业有限公司 | Chain saw |
| CN211362617U (en) * | 2019-08-02 | 2020-08-28 | 宁波奥晟机械有限公司 | Chain saw convenient to install |
-
2020
- 2020-09-10 CN CN202010946003.XA patent/CN112154890B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201399805Y (en) * | 2009-03-27 | 2010-02-10 | 浙江博大电器有限公司 | Portable electric chainsaw |
| CN104054524A (en) * | 2013-03-22 | 2014-09-24 | 南京德朔实业有限公司 | Chain saw |
| CN204800779U (en) * | 2015-08-11 | 2015-11-25 | 浙江中坚科技股份有限公司 | Take chain saw of lubricious device |
| CN206326747U (en) * | 2016-08-11 | 2017-07-14 | 诺希德实业（深圳）有限公司 | A kind of pneumatic diamond chain saw machine of the aluminium alloy casing driven with air motor |
| CN106106033A (en) * | 2016-08-12 | 2016-11-16 | 天佑电器（苏州）有限公司 | Oil mass supplying regulator and chain saw lubrication oil automatically feed system |
| CN108274540A (en) * | 2017-01-06 | 2018-07-13 | 南京德朔实业有限公司 | Chain saw |
| CN109968458A (en) * | 2017-12-28 | 2019-07-05 | 苏州宝时得电动工具有限公司 | Chain saw assembly |
| CN109042219A (en) * | 2018-10-09 | 2018-12-21 | 广西玉柴重工有限公司 | A kind of hydraulic tensioning formula tree-dozer chain saw control mechanism |
| CN111376351A (en) * | 2018-12-28 | 2020-07-07 | 南京德朔实业有限公司 | Chain saw |
| CN211362617U (en) * | 2019-08-02 | 2020-08-28 | 宁波奥晟机械有限公司 | Chain saw convenient to install |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233721A (en) * | 2021-11-08 | 2022-03-25 | 徐州徐工挖掘机械有限公司 | Hydraulic system for lubricating saw teeth of excavator and felling machine and control method thereof |
| WO2024016247A1 (en) * | 2022-07-21 | 2024-01-25 | 南京泉峰科技有限公司 | Chainsaw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112154890B (en) | 2022-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112154890B (en) | Lubricating method and device for saw blade of felling machine chain saw | |
| CN102338064B (en) | Modification method for increasing inflating volume as well as saving energy and reducing emission for 6M50-type raw gas compressor | |
| CN205078456U (en) | Two shell sediment stuff pumps | |
| CN202708024U (en) | Rocker arm forced lubrication system and coal cutter | |
| CN202629105U (en) | Ultralow temperature top-mounted hard sealing butterfly valve | |
| CN105156865A (en) | Crusher lubricating device | |
| CN203156450U (en) | Flying shear lubricating mechanism | |
| CN114321062A (en) | Oil station hydraulic station pressure prediction and maintenance system | |
| CN104259253B (en) | A kind of side guide plate of hot rolling recoiler | |
| CN109078984B (en) | Roller bearing seat | |
| CN218518420U (en) | Tool for fine grinding processing of compressor parts | |
| CN202468942U (en) | Pneumatic-control-type tractor hoist chain lubricator | |
| CN202323269U (en) | Upper scissors of circular knitting machine | |
| CN208074551U (en) | Alternating current coalcutter dry oil lubrication oiling device | |
| CN201776664U (en) | Lubricating system of numerically-controlled machine tool | |
| CN201787813U (en) | Lubricating device for grate pressing pipes of sintering machine | |
| CN219035106U (en) | Centrifugal pump sealing device | |
| CN2863241Y (en) | Grinding roller with sleeve | |
| CN220908016U (en) | Center plate of metal hot mill | |
| CN217950986U (en) | Shaft pin with oil filling hole screw and oil groove | |
| CN215061207U (en) | Protection device for rapidly feeding oil to oil station reserve oil pump | |
| CN213951106U (en) | Vacuum cutting fluid recycling machine | |
| CN217556221U (en) | Rotary chute device | |
| CN110206992B (en) | Rapid and safe manual refueling device and using method thereof | |
| CN217422890U (en) | Can improve production efficiency's host computer pump lubricating arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |