CN111271585B - Construction machinery lubricant filling machine - Google Patents
Construction machinery lubricant filling machine Download PDFInfo
- Publication number
- CN111271585B CN111271585B CN202010207605.3A CN202010207605A CN111271585B CN 111271585 B CN111271585 B CN 111271585B CN 202010207605 A CN202010207605 A CN 202010207605A CN 111271585 B CN111271585 B CN 111271585B
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- oil
- rod
- fixedly connected
- oil filling
- filling port
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- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- 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
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
- F16N21/02—Lubricating nipples
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- 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
- F16N—LUBRICATING
- F16N25/00—Distributing equipment with or without proportioning devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a construction machinery lubricant filling machine which comprises an oil tank, an oil filling nozzle, an L-shaped rod, a sliding rail, a cross rod, a motor, a screw rod, a lifting plate, a communicating pipe, an oil pump, a corrugated pipe, a connecting block, a first rotating shaft, a first rotating rod, a second rotating shaft, a second rotating rod, a clamping block, a hose, an oil filling port and the like; the lubricant injection device has the advantages of reasonable and simple structure, low production cost and convenient installation, the lubricant can be dispersed and uniformly injected through the oil filling port, so that the injected machinery can be fully injected and infiltrated, the device performs injection through the oil pump, manual extrusion is not needed, and a user can feel convenient and labor-saving to operate; the movable baffle is arranged on the oil inlet cover of the oil filling nozzle, so that dust and impurities can be prevented from entering the oil filling nozzle when oil is not added; when the plug in the oil filling port is free of oil pressure, the spring props against the plug, and lubricating oil can be prevented from leaking.
Description
The technical field is as follows:
the invention relates to the technical field of construction machinery, in particular to a construction machinery lubricant filling machine.
Background art:
the construction machine is a general name of mechanical equipment used for engineering construction and urban and rural construction, and comprises various machines such as an excavating machine, a shovel soil transportation machine, a compaction machine, an engineering hoisting machine, a piling machine, a pavement machine, a concrete product machine, a steel bar grade prestress machine, a decoration machine, an overhead working machine and the like. The construction machine needs to use the lubricant, the construction machine consumes the lubricant after being used for a long time, and the using effect of the machine is influenced by a small amount of the lubricant, so the lubricant needs to be added to the construction machine periodically, but the existing lubricant filling machine has low injection efficiency and uneven injection, the lubricant cannot be fully infiltrated into the machine, a common injection machine is manually injected, a user feels labor, and the operation is inconvenient, so a technology is needed to make up for the defect.
The invention content is as follows:
the invention aims to solve the problems and provide a construction machine lubricant filling machine.
In order to solve the above problems, the present invention provides a technical solution: a construction machinery lubricant filling machine comprises an oil tank, an oil filling nozzle, an L-shaped rod, a slide rail, a cross rod, a motor, a lead screw, a lifting plate, a communicating pipe, an oil pump, a corrugated pipe, a connecting block, a first rotating shaft, a first rotating rod, a second rotating shaft, a second rotating rod, a clamping block, a hose and an oil filling port; the top end of the oil tank is communicated with an oil filling nozzle; the lower end of the oil tank is fixedly communicated with a communicating pipe, the lower end of the communicating pipe is fixedly communicated with an oil pump, the lower end of the oil pump is fixedly communicated with a corrugated pipe, the lower end of the corrugated pipe is fixedly communicated with a connecting block, the right side end of the connecting block is fixedly communicated with a hose, and the right side end of the hose is fixedly communicated with an oil filling port; an L-shaped rod is fixedly connected to the left side face of the oil tank; the inner side surface of the L-shaped rod is fixedly connected with a sliding rail, and the bottom end of the sliding rail is fixedly connected with a cross rod; the lower surface of the L-shaped rod is fixedly connected with a motor; the output end of the motor is fixedly connected with a lead screw, and the other end of the lead screw is movably connected to the cross rod; the sliding rail is connected with a lifting plate in a sliding manner, and the lifting plate is connected to the screw rod through threads; the connecting block is fixedly connected to the right side surface of the lifting plate; a first rotating rod is hinged to the lower surface of the connecting block through a first rotating shaft, and a second rotating rod is hinged to the lower surface of the other end of the first rotating rod through a second rotating shaft; the right side of the upper surface of the second rotating rod is fixedly connected with a clamping block, and the hose is arranged in the clamping block.
Preferably, the specific structure of the oil filling nozzle is as follows: comprises a cross bar, an oil inlet cover, a pneumatic rod mounting block, a pneumatic rod, a connecting plate and a baffle plate; the upper end of the wall of the right side chamber of the oil tank is fixedly connected with an oil inlet cover through a cross rod; the left side of the upper surface of the oil tank is fixedly connected with an air pressure rod mounting block; the air pressure rod mounting block is fixedly connected with an air pressure rod; the output shaft of the air pressure rod is fixedly connected with a connecting plate; the lower end of the right side face of the connecting plate is fixedly connected with a baffle, and the right end of the baffle is positioned above the oil inlet cover.
Preferably, the specific structure of the oil filling port is as follows: the oil filling device comprises an oil filling port body, an oil outlet, a plug, a through hole, a spring block and a spring; the oil filling port body is fixedly communicated with the hose; an oil outlet is formed in the middle end of the right side face of the oil filling port body; the plug is arranged in the oil filling port body; the upper end and the lower end of the left side of the plug are respectively provided with a through hole; the upper end and the lower end of the right side of the plug are fixedly connected with a spring block; the spring block is fixedly connected with a spring, and the other end of the spring is fixedly connected to the wall of the right side chamber of the oil filling port body.
Preferably, the spring is a disc spring.
Preferably, the oil inlet cover is in a bell mouth shape.
Preferably, the bellows is a metal bellows.
Preferably, the screw is a ball screw.
Preferably, the motor is a variable frequency motor.
The invention has the beneficial effects that:
according to the invention, the air pressure rod pushes the baffle plate to inject lubricating oil into the oil inlet cover, the motor drives the lifting plate on the lead screw to move up and down, the corrugated pipe is also compressed and extended to realize height adjustment during filling, the first rotating rod and the second rotating rod are folded and extended under the action of the first rotating shaft and the second rotating shaft to realize length adjustment during filling, the spring abuts against the plug when the plug in the oil filling port is free of oil pressure, lubricating oil leakage can be prevented, when the oil pump works, the oil pump generates oil pressure, the plug moves rightwards, the lubricating oil flows out of the through hole, and filling is carried out from the oil outlet; the lubricant injection device has the advantages of reasonable and simple structure, low production cost and convenient installation, the lubricant can be dispersed and uniformly injected through the oil filling port, so that the injected machinery can be fully injected and infiltrated, the device performs injection through the oil pump, manual extrusion is not needed, and a user can feel convenient and labor-saving to operate; the movable baffle is arranged on the oil inlet cover of the oil filling nozzle, so that dust and impurities can be prevented from entering the oil filling nozzle when oil is not added; when the plug in the oil filling port is free of oil pressure, the spring props against the plug, and lubricating oil can be prevented from leaking.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the structure of the fuel filler neck of the present invention.
FIG. 3 is a schematic view of the structure of the oil filler hole of the present invention.
In the figure: 1-an oil tank; 2-oil filling nozzle; a 3-L-shaped rod; 4-a slide rail; 5-a cross bar; 6, a motor; 7-a lead screw; 8-lifting plate; 9-communicating pipe; 10-an oil pump; 11-a bellows; 12-connecting blocks; 13-a first shaft; 14-a first rotating bar; 15-a second rotating shaft; 16-a second rotating rod; 17-a clamping block; 18-a hose; 19-oil filler; 20-a cross bar; 21-an oil inlet cover; 22-a gas cylinder mounting block; 23-pneumatic rod; 24-a connecting plate; 25-a baffle plate; 26-a fuel filler neck body; 27-an oil outlet; 28-plug; 29-a through hole; 30-a spring block; 31-spring.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a construction machinery lubricant filling machine comprises an oil tank 1, an oil filling nozzle 2, an L-shaped rod 3, a sliding rail 4, a cross rod 5, a motor 6, a screw rod 7, a lifting plate 8, a communicating pipe 9, an oil pump 10, a corrugated pipe 11, a connecting block 12, a first rotating shaft 13, a first rotating rod 14, a second rotating shaft 15, a second rotating rod 16, a clamping block 17, a hose 18 and an oil filling port 19; the top end of the oil tank 1 is communicated with an oil filling nozzle 2; the lower end of the oil tank 1 is fixedly communicated with a communicating pipe 9, the lower end of the communicating pipe 9 is fixedly communicated with an oil pump 10, the lower end of the oil pump 10 is fixedly communicated with a corrugated pipe 11, the lower end of the corrugated pipe 11 is fixedly communicated with a connecting block 12, the right side end of the connecting block 12 is fixedly communicated with a hose 18, and the right side end of the hose 18 is fixedly communicated with an oil filling port 19; an L-shaped rod 3 is fixedly connected to the left side surface of the oil tank 1; a sliding rail 4 is fixedly connected to the inner side surface of the L-shaped rod 3, and a cross rod 5 is fixedly connected to the bottom end of the sliding rail 4; the lower surface of the L-shaped rod 3 is fixedly connected with a motor 6; the output end of the motor 6 is fixedly connected with a lead screw 7, and the other end of the lead screw 7 is movably connected to the cross rod 5; the sliding rail 4 is connected with a lifting plate 8 in a sliding manner, and the lifting plate 8 is connected to the screw rod 7 through threads; the connecting block 12 is fixedly connected to the right side surface of the lifting plate 8; a first rotating rod 14 is hinged to the lower surface of the connecting block 12 through a first rotating shaft 13, and a second rotating rod 16 is hinged to the lower surface of the other end of the first rotating rod 14 through a second rotating shaft 15; a clamping block 17 is fixedly connected to the right side of the upper surface of the second rotating rod 16, and the hose 18 is arranged in the clamping block 17.
As shown in fig. 1 to 3, the specific structure of the oil filler neck 2 is as follows: comprises a cross bar 20, an oil inlet cover 21, a pneumatic rod mounting block 22, a pneumatic rod 23, a connecting plate 24 and a baffle 25; the upper end of the wall of the right side chamber of the oil tank 1 is fixedly connected with an oil inlet cover 21 through a cross rod 20; the left side of the upper surface of the oil tank 1 is fixedly connected with a pneumatic rod mounting block 22; the air pressure rod mounting block 22 is fixedly connected with an air pressure rod 23; the output shaft of the air pressure rod 23 is fixedly connected with a connecting plate 24; the lower end of the right side face of the connecting plate 24 is fixedly connected with a baffle 25, and the right end of the baffle 25 is positioned above the oil inlet cover 21.
As shown in fig. 1 to 3, the specific structure of the oil filling port 19 is as follows: comprises an oil filling port body 26, an oil outlet 27, a plug 28, a through hole 29, a spring block 30 and a spring 31; the oil filler body 26 is fixedly communicated with the hose 18; an oil outlet 27 is arranged at the middle end of the right side surface of the oil filling port body 26; the plug 28 is disposed in the filler neck body 26; the upper end and the lower end of the left side of the plug 28 are both provided with a through hole 29; the upper end and the lower end of the right side of the plug 28 are fixedly connected with a spring block 30; a spring 31 is fixedly connected to the spring block 30, and the other end of the spring 31 is fixedly connected to the right chamber wall of the filler neck body 26.
Wherein the spring 31 is a disc spring; the oil inlet cover 21 is in a bell mouth shape; the corrugated pipe 11 is a metal telescopic corrugated pipe; the lead screw 7 is a ball screw; the motor 6 is a variable frequency motor.
The using state of the invention is as follows: the air pressure rod 23 pushes the baffle plate 25 to inject lubricating oil into the oil inlet cover 21, the motor 6 drives the lifting plate 8 on the screw rod 7 to move up and down, the corrugated pipe 11 is also compressed and extended to realize height adjustment during filling, the first rotating rod 14 and the second rotating rod 16 are folded and extended under the action of the first rotating shaft 13 and the second rotating shaft 15 to realize length adjustment during filling, the plug 28 in the oil filling opening 19 is free of oil pressure, the spring 31 butts against the plug 28 to prevent lubricating oil leakage, when the oil pump 10 works, the oil pump 10 generates oil pressure, the plug 28 moves rightwards, and the lubricating oil flows out of the through hole 29 and is filled from the oil outlet 27.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. A construction machinery lubricant filling machine is characterized in that: the oil tank comprises an oil tank (1), an oil filling nozzle (2), an L-shaped rod (3), a sliding rail (4), a cross rod (5), a motor (6), a screw rod (7), a lifting plate (8), a communicating pipe (9), an oil pump (10), a corrugated pipe (11), a connecting block (12), a first rotating shaft (13), a first rotating rod (14), a second rotating shaft (15), a second rotating rod (16), a clamping block (17), a hose (18) and an oil filling port (19);
the top end of the oil tank (1) is communicated with an oil filling nozzle (2);
the lower end of the oil tank (1) is fixedly communicated with a communicating pipe (9), the lower end of the communicating pipe (9) is fixedly communicated with an oil pump (10), the lower end of the oil pump (10) is fixedly communicated with a corrugated pipe (11), the lower end of the corrugated pipe (11) is fixedly communicated with a connecting block (12), the right end of the connecting block (12) is fixedly communicated with a hose (18), and the right end of the hose (18) is fixedly communicated with an oil filling port (19);
an L-shaped rod (3) is fixedly connected to the left side surface of the oil tank (1);
a sliding rail (4) is fixedly connected to the inner side surface of the L-shaped rod (3), and a cross rod (5) is fixedly connected to the bottom end of the sliding rail (4);
the lower surface of the L-shaped rod (3) is fixedly connected with a motor (6);
the output end of the motor (6) is fixedly connected with a lead screw (7), and the other end of the lead screw (7) is movably connected to the cross rod (5);
the sliding rail (4) is connected with a lifting plate (8) in a sliding manner, and the lifting plate (8) is connected to the lead screw (7) through threads;
the connecting block (12) is fixedly connected to the right side surface of the lifting plate (8);
a first rotating rod (14) is hinged to the lower surface of the connecting block (12) through a first rotating shaft (13), and a second rotating rod (16) is hinged to the lower surface of the other end of the first rotating rod (14) through a second rotating shaft (15);
the right side of the upper surface of the second rotating rod (16) is fixedly connected with a clamping block (17), and the hose (18) is arranged in the clamping block (17);
the specific structure of the oil filling nozzle (2) is as follows: comprises a cross bar (20), an oil inlet cover (21), a pneumatic rod mounting block (22), a pneumatic rod (23), a connecting plate (24) and a baffle plate (25);
the upper end of the wall of the right chamber of the oil tank (1) is fixedly connected with an oil inlet cover (21) through a cross rod (20);
the left side of the upper surface of the oil tank (1) is fixedly connected with a pneumatic rod mounting block (22);
the air pressure rod mounting block (22) is fixedly connected with an air pressure rod (23);
the output shaft of the air pressure rod (23) is fixedly connected with a connecting plate (24);
the lower end of the right side face of the connecting plate (24) is fixedly connected with a baffle (25), and the right end of the baffle (25) is located above the oil inlet cover (21).
2. The construction machine lubricant filler according to claim 1, characterized in that: the specific structure of the oil filling port (19) is as follows: comprises an oil filling port body (26), an oil outlet (27), a plug (28), a through hole (29), a spring block (30) and a spring (31);
the oil filling port body (26) is fixedly communicated with the hose (18);
an oil outlet (27) is formed in the middle end of the right side face of the oil filling port body (26);
the plug (28) is arranged in the oil filling port body (26);
the upper end and the lower end of the left side of the plug (28) are respectively provided with a through hole (29);
the upper end and the lower end of the right side of the plug (28) are fixedly connected with a spring block (30);
the spring block (30) is fixedly connected with a spring (31), and the other end of the spring (31) is fixedly connected to the wall of the right side chamber of the oil filling port body (26).
3. A construction machine lubricant filler as claimed in claim 2, characterized in that: the spring (31) is a disc spring.
4. The construction machine lubricant filler according to claim 1, characterized in that: the oil inlet cover (21) is in a horn mouth shape.
5. The construction machine lubricant filler according to claim 1, characterized in that: the corrugated pipe (11) is a metal telescopic corrugated pipe.
6. The construction machine lubricant filler according to claim 1, characterized in that: the lead screw (7) is a ball screw.
7. The construction machine lubricant filler according to claim 1, characterized in that: the motor (6) is a variable frequency motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010207605.3A CN111271585B (en) | 2020-03-23 | 2020-03-23 | Construction machinery lubricant filling machine |
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CN202010207605.3A CN111271585B (en) | 2020-03-23 | 2020-03-23 | Construction machinery lubricant filling machine |
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CN111271585A CN111271585A (en) | 2020-06-12 |
CN111271585B true CN111271585B (en) | 2022-01-14 |
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CN202010207605.3A Active CN111271585B (en) | 2020-03-23 | 2020-03-23 | Construction machinery lubricant filling machine |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113188030B (en) * | 2021-05-08 | 2022-05-17 | 徐波 | Lubricant filling device for drilling fluid and using method thereof |
CN114084774A (en) * | 2021-11-09 | 2022-02-25 | 淮北矿业股份有限公司 | Multi-rope friction type automatic oiling device for tail rope of elevator |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105674035A (en) * | 2016-04-15 | 2016-06-15 | 吴江市元通纺织品有限公司 | Lubricating oil tank of textile machine |
CN109277508A (en) * | 2018-11-16 | 2019-01-29 | 阜宁县东方锻造有限公司 | A kind of forging press lubricating oil filling device |
CN209892890U (en) * | 2019-01-15 | 2020-01-03 | 河谷(佛山)智能装备股份有限公司 | Oil injection joint applied to lubricating pump and lubricating pump |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10480712B2 (en) * | 2016-11-15 | 2019-11-19 | Caterpillar Inc. | System and method for preventing air in lubricant supply lines |
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2020
- 2020-03-23 CN CN202010207605.3A patent/CN111271585B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105674035A (en) * | 2016-04-15 | 2016-06-15 | 吴江市元通纺织品有限公司 | Lubricating oil tank of textile machine |
CN109277508A (en) * | 2018-11-16 | 2019-01-29 | 阜宁县东方锻造有限公司 | A kind of forging press lubricating oil filling device |
CN209892890U (en) * | 2019-01-15 | 2020-01-03 | 河谷(佛山)智能装备股份有限公司 | Oil injection joint applied to lubricating pump and lubricating pump |
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