Automatic lubricating device for high-strength limit torque transmission arm

Abstract

The utility model relates to an automatic lubricating device for a high-strength limit torque transmission arm, which aims at solving the technical problems that the whole production line is forced to stop working, the normal operation of the production line is influenced and the production efficiency is reduced because the transmission arm needs to stop working when lubricating oil is added to a mechanical arm at present, and comprises a sleeve and a rotating arm, the sleeve is tubular, the rotating arm is movably arranged in the sleeve in a penetrating mode, a self-lubricating mechanism is arranged on the outer side of the rotating arm and comprises two lubricating heads which are in a semi-ring shape and are in a cavity design, an oil tank is installed on the tops of the lubricating heads, a plurality of round holes are formed in the inner rings of the lubricating heads, and the oil tank is connected with the oil tank. The rotating arm lubricating device has the advantages that the rotating arm can be automatically lubricated when the rotating arm works, lubricating oil can be added without shutdown, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating device field, concretely is a kind of automatic lubricating device for high-strength limit torque transmission arm. BACKGROUND

[0002] Friction between its sliding parts in transmission arm movement, with lubricating oil gradually dry and loss, the component friction on transmission arm gradually increases, each component is sharply abraded in transmission arm movement, if not timely add new lubricating oil can make mechanical arm component damage, affect the normal operation of transmission arm, even in high-strength work can cause safety accident.

[0003] The existing lubricating oil for mechanical arm needs to make transmission arm stop working first, which will make the whole production line forced to stop operation, affect the normal operation of production line, and reduce production efficiency. Therefore, a new technical scheme needs to be designed to solve it. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient of prior art, adapting to reality needs, provide a kind of automatic lubricating device for high-strength limit torque transmission arm, to solve the current lubricating oil for mechanical arm needs to make transmission arm stop working first, which will make the whole production line forced to stop operation, affect the normal operation of production line, reduce the technical problem of production efficiency.

[0005] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: an automatic lubricating device for high-strength limit torque transmission arm is designed, which comprises a sleeve and a rotating arm. The sleeve is tubular, and the rotating arm is movably arranged in the sleeve. The outer side of the rotating arm is provided with a self-lubricating mechanism. The self-lubricating mechanism comprises two lubricating heads with a semi-ring shape and a hollow design. An oil tank is installed on the top of the lubricating head. A plurality of circular holes are formed in the inner circle of the lubricating head. A limiting ring is installed at the circular hole of the inner cavity of the lubricating head. Lubricating balls are rotatably connected between the circular hole and the limiting ring. The inner circle of the limiting ring and the outer side of the lubricating ball are movably abutted. The center of the limiting ring and the center of the lubricating ball are collinear. An oil inlet pipe is connected between the outer circle of the lubricating head and the oil tank.

[0006] Preferably, the bottom of the two lubricating heads is connected with a supporting rod, and the bottom of the two supporting rods is connected with a semi-ring-shaped clamp. A fixing lug is formed on the two sides of the clamp, and a fixing bolt is penetrated through the fixing lug. The outer side of the fixing bolt is threadedly sleeved with a nut.

[0007] Preferably, the inner cavity of the lubricating head is provided with a plurality of partitions, the plurality of partitions are staggered with the plurality of round holes respectively, the number of oil inlet pipes communicated between the outer ring of the lubricating head and the oil tank is a plurality, the plurality of oil inlet pipes correspond to the plurality of round holes respectively, and the plurality of oil inlet pipes are all provided with control valves.

[0008] Preferably, a plurality of oil injection holes are formed in the surface of the oil tank, a plurality of elastic sealing plugs are arranged in the plurality of oil injection holes, and a plurality of air holes are formed in the plurality of sealing plugs.

[0009] Preferably, the shape and size of the oil tank are the same as those of the lubricating head, and an elastic sealing ring is arranged on the inner side of the oil tank.

[0010] Preferably, the oil tank is a transparent acrylic tank.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a lubricating head, a round hole, a limiting ring, a ball, an oil tank and an oil inlet pipe are combined, when the rotating arm rotates, the ball rotates, part of the ball is arranged in the lubricating head, so that the surface of the ball in the lubricating head is adhered with lubricating oil, when the ball in the lubricating head rotates to the outside of the lubricating head, the ball is adhered with the lubricating oil, so that the ball is adhered with the lubricating oil on the outside of the rotating arm, so that the lubricating oil on the outside of the rotating arm automatically slides to the sleeve and the rotating arm, and the sleeve and the rotating arm are lubricated, thereby, the rotating arm can be automatically lubricated during work, the lubricating oil does not need to be added during shutdown, and the production efficiency is improved.

[0013] 2. The utility model discloses a partition, a control valve, an oil inlet pipe and an oil tank are combined, the inner cavity of the lubricating head is divided into a plurality of independent oil storage cavities through the partition, then the number of lubricating oil in the plurality of oil storage cavities is controlled through the control valve, and the number of balls rotating to add lubricating oil can be adjusted according to the lubricating demand, when the number of oil storage cavities with lubricating oil is more, the amount of lubricating oil added by the ball rotating is more, when the number of oil storage cavities with lubricating oil is less, the amount of lubricating oil added by the ball rotating is less, and the amount of lubricating oil added by the rotating arm can be further adjusted, and the utility model is practical. ACCURATE DRAWINGS

[0014] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0015] Fig. 2 It is the whole structure schematic diagram of the self -lubricating mechanism and oil tank and support rod connection of the utility model;

[0016] Fig. 3 It is the lubricating head cross section structure schematic diagram of the utility model.

[0017] Figure: 1, sleeve; 11, rotating arm; 2, self-lubricating mechanism; 21, lubricating head; 22, oil inlet pipe; 23, oil tank; 24, ball; 25, control valve; 26, round hole; 27, limiting ring; 28, partition; 3, clamp; 31, support rod; 32, fixing pin; 4, sealing plug. DETAILED DESCRIPTION

[0018] The utility model is further illustrated below in combination with the drawings and examples:

[0019] Example 1: an automatic lubricating device for a high-strength limit torque transmission arm, referring to Figs. 1 to 3 , comprising sleeve 1 and rotating arm 11, the sleeve 1 is tubular, the rotating arm 11 is arranged in the sleeve 1 and moves, the outer side of the rotating arm 11 is provided with self-lubricating mechanism 2, the self-lubricating mechanism 2 includes two lubricating heads 21 that are semicircular in shape and are designed as cavities, the top of the lubricating head 21 is provided with oil tank 23, a plurality of round holes 26 are formed in the inner ring of the lubricating head 21, the inner ring of the limiting ring 27 is installed at the round hole 26 of the inner cavity of the lubricating head 21, the lubricating ball 24 is rotatably connected between the round hole 26 and the limiting ring 27, the inner ring of the limiting ring 27 and the outer side of the lubricating ball 24 movably abut, the center of the limiting ring 27 and the center of the lubricating ball 24 are collinear, and the oil inlet pipe 22 is communicated between the outer ring of the lubricating head 21 and the oil tank 23.

[0020] When working, the lubricating head 21 is sleeved on the outer side of the rotating arm 11, and the ball 24 abuts against the outer side of the rotating arm 11, when the rotating arm 11 rotates, the ball 24 rotates with the rotating arm 11 by the friction between the ball 24 and the rotating arm 11, since part of the ball 24 is placed in the lubricating head 21, the surface of the ball 24 in the inner part of the lubricating head 21 will adhere to lubricating oil, when the ball 24 in the inner part of the lubricating head 21 rotates to the outer side of the lubricating head 21, since the lubricating oil is adsorbed on the ball 24, the ball 24 places the adsorbed lubricating oil on the outer side of the rotating arm 11, so that the lubricating oil on the outer side of the rotating arm 11 automatically slides between the rotating arm 11 and the sleeve 1 due to gravity, lubricating the connecting part of the sleeve 1 and the rotating arm 11, thereby being able to automatically lubricate when the rotating arm 11 works, without stopping to add lubricating oil, improving production efficiency.

[0021] Specifically, referring to Fig. 2The bottoms of the two lubricating heads 21 are connected with support rods 31, the bottoms of the two support rods 31 are connected with half-ring-shaped clamps 3, the fixing ears on the two sides of the two clamps 3 are penetrated by fixing bolts 32, and the outer sides of the fixing bolts 32 are threadedly sleeved with nuts, the clamps 3 are fixed on the outer side of the sleeve 1 by screwing the fixing bolts 32, so that the self-lubricating mechanism 2 is fixed, the rotation of the lubricating head 21 is avoided following the rotation of the rotating arm 11, and the self-lubrication of the rotating arm 11 is affected.

[0022] Further, referring to Fig. 2 and Fig. 3 , the inner cavity of the lubricating head 21 is provided with a plurality of partitions 28, the plurality of partitions 28 are staggered with the plurality of round holes 26 respectively, the number of oil inlet pipes 22 communicated between the outer circle of the lubricating head 21 and the oil tank 23 is a plurality, the plurality of oil inlet pipes 22 correspond to the plurality of round holes 26 respectively, and the plurality of oil inlet pipes 22 are all provided with control valves 25, the inner cavity of the lubricating head 21 is divided into a plurality of independent oil storage cavities by the partitions 28, then the number of lubricating oil in the plurality of oil storage cavities is controlled by the control valves 25, and further the number of the balls 24 rotating to add lubricating oil can be adjusted according to the demand of lubrication, the more the number of the oil storage cavities with lubricating oil, the more the amount of lubricating oil added by the balls 24 rotating, the less the number of the oil storage cavities with lubricating oil, the less the amount of lubricating oil added by the balls 24 rotating, further the amount of lubricating oil added by the rotating arm 11 can be adjusted, and it is more practical.

[0023] It is worth noting that, referring to Fig. 2 , a plurality of oil injection holes are formed in the surface of the oil tank 23, a plurality of elastic sealing plugs 4 are arranged in the plurality of oil injection holes, and a plurality of air holes are formed in the plurality of sealing plugs 4, the oil tank 23 is a transparent acrylic tank, the sealing plug 4 is taken out of the oil injection hole, and then the lubricating oil is added into the oil tank 23, at the same time, the amount of lubricating oil in the oil tank 23 is observed in cooperation with the transparent tank body, when working, the sealing plug 4 is inserted into the oil injection hole, so that the air holes can ensure that the air pressure inside and outside the oil tank 23 is the same, and the opening of the control valve 25 can ensure that the lubricating oil is added into the lubricating head 21.

[0024] It is worth noting that, referring to Fig. 2 , the shape and size of the oil tank 23 are the same as those of the lubricating head 21, and an elastic sealing ring is arranged on the inner side of the oil tank 23, the sealing ring can increase the sealing property between the oil tank 23 and the rotating arm 11, dust is prevented from entering between the rotating arm 11 and the sleeve 1 to increase the friction, and the service life of the rotating arm 11 and the sleeve 1 is affected.

[0025] In addition, the components designed in the utility model are all general standard components or components known by the person skilled in the art, the structure and principle of which can be known by the person skilled in the art through a technical manual or through a conventional experimental method, and the person skilled in the art can completely realize without redundancy, and the content protected by the utility model does not involve improvement of internal structure and method.

[0026] The utility model discloses the embodiment discloses the preferable embodiment, but is not limited to this, and the person skilled in the art, the person skilled in the art, very easily according to the above -mentioned embodiment, the spirit of the utility model is appreciated, and different is drawn and changes, but as long as not departing from the spirit of the utility model, all are in the protection scope of the utility model.

Claims

1. An automatic lubrication device for a high-strength ultimate torque transmission arm, comprising a sleeve (1) and a rotating arm (11), wherein the sleeve (1) is tubular, the rotating arm (11) is inserted into and movably disposed within the sleeve (1), and a self-lubricating mechanism (2) is provided on the outer side of the rotating arm (11), characterized in that, The self-lubricating mechanism (2) comprises two lubricating heads (21) in the shape of a half ring and in the design of a cavity, an oil tank (23) is installed on the top of the lubricating head (21), a plurality of round holes (26) are formed in the inner ring of the lubricating head (21), a limiting ring (27) is installed at the round hole (26) of the inner cavity of the lubricating head (21), lubricating balls (24) are rotatably connected between the round hole (26) and the limiting ring (27), the inner ring of the limiting ring (27) and the outer side of the lubricating ball (24) are movably abutted, the center of the limiting ring (27) and the center of the lubricating ball (24) are collinear, and the outer ring of the lubricating head (21) and the oil tank (23) are communicated through an oil inlet pipe (22).

2. An automatic lubrication device for a high-strength torque-limiting drive arm according to claim 1, characterized in that The bottom of the two lubricating heads (21) is connected with a supporting rod (31), the bottom of the two supporting rods (31) is connected with a half ring-shaped clamp (3), a fixing bolt (32) is penetrated through the fixed lug on the two sides of the two clamps (3), and the outer side of the fixing bolt (32) is threadedly sleeved with a nut.

3. An automatic lubrication device for a high-strength torque-limiting drive arm as claimed in claim 1, characterized in that A plurality of partition plates (28) are installed in the inner cavity of the lubricating head (21), the plurality of partition plates (28) are staggered distributed with the plurality of round holes (26) respectively, the number of the oil inlet pipes (22) communicated between the outer ring of the lubricating head (21) and the oil tank (23) is plural, the plurality of oil inlet pipes (22) correspond to the plurality of round holes (26) respectively, and the plurality of oil inlet pipes (22) are all installed with control valves (25).

4. An automatic lubrication device for a high-strength torque-limiting drive arm as claimed in claim 1, characterized in that A plurality of oil injection holes are formed in the surface of the oil tank (23), a plurality of elastic sealing plugs (4) are arranged in the plurality of oil injection holes, and a plurality of air holes are formed in the plurality of sealing plugs (4).

5. An automatic lubrication device for a high-strength torque-limiting drive arm as claimed in claim 1, characterized in that The shape and size of the oil tank (23) are same with the lubricating head (21), and an elastic sealing ring is installed on the inner side of the oil tank (23).

6. An automatic lubrication device for a high-strength torque-limiting drive arm as claimed in claim 1, characterized in that The oil tank (23) is a transparent acrylic tank.

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