CN210034212U - Coupler capable of oiling bearing for crane - Google Patents

Abstract

The utility model relates to a shaft coupling technical field, and disclose a shaft coupling that crane was used can to bearing oiling, including shaft coupling mount pad and pivot mount pad, the both ends that shaft coupling mount pad lateral wall and pivot mount pad lateral wall are close to are all fixed the cup joint has the mounting disc, two mounting discs are all through a plurality of fixing bolt fixed connection, the both ends center department that shaft coupling mount pad and pivot mount pad are opposite is fixedly connected with connection pump shaft and connection spacer shaft respectively, the fixed cup joint of one end that the pivot mount pad was kept away from to the lateral wall of shaft coupling mount pad has the bearing, the bearing includes the inner circle, roller and outer lane, the oil pocket has been seted up to the inside of shaft coupling mount pad, the through-hole has all been seted up to the lateral. The utility model discloses can be convenient for carry out even oiling lubrication in to the bearing through the shaft coupling, the shaft coupling is firm with outside pivot fixedly connected with during and, and the people of being convenient for use.

Description

Coupler capable of oiling bearing for crane

Technical Field

The utility model relates to a shaft coupling technical field especially relates to a hoist is with shaft coupling that can annotate oil to bearing.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, also called a crane, a small factory building means that initial construction investment and long-term heat supply, air conditioning and other maintenance cost can save a considerable amount of capital, generally, the hoisting machine is formed by combining a hoisting mechanism, an operating mechanism, a luffing mechanism, a slewing mechanism, a metal mechanism, a power device, an operation control and necessary auxiliary devices, a coupler is a mechanical part for connecting two shafts in different mechanisms to rotate together to transmit torque, and in the power transmission of high speed and heavy load, some couplers have the functions of buffering, damping and improving the dynamic performance of a shaft system.

In the prior art, the bearing connected to the coupler cannot be lubricated by oil when the coupler is used, the bearing cannot be lubricated uniformly by the oil lubrication from the outside of the bearing, and the bearing is easily abraded seriously after long-term use, so that the coupler capable of oiling the bearing for the crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art shaft coupling and can't carry out the oiling lubrication to the bearing of connection on the shaft coupling when using, and can't make the bearing lubrication even from the outside oiling lubrication of bearing, lead to the serious problem of wearing and tearing after the bearing is used for a long time easily, and the shaft coupling of bearing oiling is used to a hoist that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coupler capable of injecting oil to a bearing for a crane comprises a coupler mounting seat and a rotating shaft mounting seat, wherein mounting discs are fixedly sleeved at two ends, close to the side wall of the coupler mounting seat and the side wall of the rotating shaft mounting seat, of the coupler mounting seat, the two mounting discs are fixedly connected through a plurality of fixing bolts, a coupling pump shaft and a coupling spacing shaft are respectively and fixedly connected at centers of two opposite ends of the coupler mounting seat and the rotating shaft mounting seat, a bearing is fixedly sleeved at one end, far away from the rotating shaft mounting seat, of the side wall of the coupler mounting seat, the bearing comprises an inner ring, a roller and an outer ring, an oil cavity is formed in the coupler mounting seat, through holes are formed in the side wall of the oil cavity and the side wall of the inner ring, an oil injection port is formed in the side wall of the coupler mounting seat and is communicated with the oil cavity through the oil injection, the inside oiling pipe that is equipped with jointly of an inside screw thread section of thick bamboo and oiling mouth, the fixed cover in pipe wall upper end of oiling pipe has connect an external screw thread section of thick bamboo, an internal thread section of thick bamboo and external screw thread section of thick bamboo threaded connection, the lower extreme of oiling pipe extends to the inside of oil pocket, and the inside of oiling pipe has seted up L shape oil filler point, the pipe wall lower extreme of oiling pipe has cup jointed the rubber sleeve.

Preferably, the two oil cavities are arranged and are respectively positioned on the upper side and the lower side in the coupler mounting seat.

Preferably, the outer end of the oil filling opening is in a conical shape, and the lower end of the external thread cylinder is matched with the outer end of the oil filling opening.

Preferably, an opening is formed in one end, located outside the coupler mounting seat, of the oil injection pipe.

Preferably, the both ends that shaft coupling mount pad and pivot mount pad are relative all seted up flutedly, two the gag lever post that two symmetries set up of the equal fixedly connected with of tank bottom of recess, two the inside of recess is equipped with the metal diaphragm jointly, the terminal surface of metal diaphragm set up with the first spacing hole of gag lever post assorted, the length of gag lever post is the setting of half of first spacing hole length.

Preferably, the two ends of the metal diaphragm are fixedly connected with backing plates, and the end faces of the backing plates are provided with second limiting holes corresponding to the first limiting holes.

Compared with the prior art, the utility model provides a but hoist is with shaft coupling to bearing oiling possesses following beneficial effect:

1. this hoist is with shaft coupling that can be to bearing oiling, can with an external screw thread section of thick bamboo threaded connection through the internal thread section of thick bamboo that is equipped with, thereby can be with oiling pipe and shaft coupling mount pad fixed connection, and the inside of oiling pipe's inner insert the oil pocket, in pouring lubricating oil into oiling pipe, lubricating oil can flow in the oil pocket through the L shape oil filler point in the oiling pipe, when the shaft coupling mount pad rotates, lubricating oil can flow in between the outer lane and the inner circle of bearing in the through-hole through centrifugal force, thereby the inner circle of bearing, when roller and outer lane rotate each other, can make lubricating oil evenly lubricate bearing inside, reduce bearing wear, increase of service life, can inwards block the one end that L shape oil filler point is located the inside of oil pocket through the rubber sleeve that is equipped with, thereby avoid lubricating oil to flow from L shape oil filler.

2. This hoist is with shaft coupling that can carry out the oil injection to the bearing, a plurality of fixing bolt through being equipped with can two mounting discs carry out fixed connection, thereby can make shaft coupling mount pad and pivot mount pad fixed connection, through two recesses that are equipped with, place the metal diaphragm between two recesses, through being equipped with first spacing hole and two sets of gag lever posts, two gag lever posts can insert from first spacing hole both ends respectively, thereby can make shaft coupling mount pad and pivot mount pad location accurate, and can increase the torsional stay force of shaft coupling mount pad to the pivot mount pad, avoid shaft coupling mount pad and pivot mount pad to take place the skew, be convenient for people to use.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can be convenient for carry out even oiling lubrication in to the bearing through the shaft coupling, the shaft coupling is firm with outside pivot fixedly connected with during and, and the people of being convenient for use.

Drawings

Fig. 1 is a schematic structural diagram of a coupler for a crane, which is capable of oiling a bearing;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a coupler mounting seat 1, a rotating shaft mounting seat 2, a mounting disc 3, a fixing bolt 4, a coupling pump shaft 5, a coupling spacing shaft 6, an inner ring 7, a roller 8, an outer ring 9, an inner thread cylinder 10, an oil injection pipe 11, an outer thread cylinder 12, a rubber sleeve 13, a limiting rod 14, a metal diaphragm 15 and a base plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a coupler for a crane capable of injecting oil to a bearing comprises a coupler mounting seat 1 and a rotating shaft mounting seat 2, wherein mounting discs 3 are fixedly sleeved at two ends of the side wall of the coupler mounting seat 1, which are close to the side wall of the rotating shaft mounting seat 2, the two mounting discs 3 are fixedly connected through a plurality of fixing bolts 4, the centers of two opposite ends of the coupler mounting seat 1 and the rotating shaft mounting seat 2 are respectively and fixedly connected with a coupling pump shaft 5 and a coupling spacing shaft 6, one end of the side wall of the coupler mounting seat 1, which is far away from the rotating shaft mounting seat 2, is fixedly sleeved with a bearing, the bearing comprises an inner ring 7, a roller 8 and an outer ring 9, an oil cavity is arranged inside the coupler mounting seat 1, through holes are arranged on the side wall of the oil cavity and the side wall of the inner ring, an oil injection port is arranged on the side wall of the coupler mounting seat 1 and is communicated, an inside screw thread section of thick bamboo 10 and the common notes oil pipe 11 that is equipped with in inside of oiling mouth, the fixed cover in pipe wall upper end of notes oil pipe 11 has connect an external screw thread section of thick bamboo 12, an internal screw thread section of thick bamboo 10 and an external screw thread section of thick bamboo 12 threaded connection, and the lower extreme of notes oil pipe 11 extends to the inside of oil pocket, and the inside of notes oil pipe 11 has seted up L shape oil filler point, and the pipe wall lower extreme of notes oil pipe 11 has cup jointed rubber sleeve 13.

The oil cavities are arranged in two ways and are respectively arranged on the upper side and the lower side of the interior of the coupler mounting seat 1, so that oil can be uniformly injected into the bearing and lubricated in two ways at the same time, and the lubricating efficiency is improved.

The outer end of oiling mouth is the toper setting, and the lower extreme of a thread section of thick bamboo 12 matches the setting with the outer end of oiling mouth, can increase a thread connection compactness of a thread section of thick bamboo 12 and an internal thread section of thick bamboo 10.

An opening is opened at one end of the oil injection pipe 11, which is positioned outside the coupler mounting seat 1, so that the oil injection pipe 11 can be conveniently rotated to drive the internal thread cylinder 12 to rotate.

The both ends that shaft coupling mount pad 1 and pivot mount pad 2 are relative have all seted up flutedly, the gag lever post 14 that two symmetries of the equal fixedly connected with in tank bottom of two recesses set up, the inside of two recesses is equipped with metal diaphragm 15 jointly, metal diaphragm 15's terminal surface seted up with the first spacing hole of gag lever post 14 assorted, the length of gag lever post 14 is the setting of half of first spacing hole length, can make shaft coupling mount pad 1 accurate with pivot mount pad 2 location, and can increase shaft coupling mount pad 1 torsional support power to pivot mount pad 2, avoid shaft coupling mount pad 1 and pivot mount pad 2 to take place the skew.

The equal fixedly connected with backing plate 16 in both ends of metal diaphragm 15, the spacing hole of second that corresponds with first spacing hole position is all seted up to the terminal surface of two backing plates 16, makes two recesses press from both sides tightly stability to metal diaphragm 15, avoids metal diaphragm 15 to rock.

The utility model discloses in, during the use, internal thread section of thick bamboo 10 through being equipped with can with 12 threaded connection of an external screw thread section of thick bamboo, thereby can be with 1 fixed connection of filler pipe 11 and shaft coupling mount pad, and the inner of filler pipe 11 inserts the inside of oil pocket, pour into the lubricating oil into filler pipe 11 in, lubricating oil can flow in the oil pocket through the L shape oil filler point in filler pipe 11, when shaft coupling mount pad 1 rotates, lubricating oil can flow in between the outer lane 9 and the inner circle 7 of bearing in the through-hole through centrifugal force, thereby the inner circle 7 of bearing, when roller 8 and outer lane 9 rotate each other, can make lubricating oil evenly lubricate inside the bearing, reduce bearing wear, increase of service life, can inwards block up the one end that the inside of L shape oil filler point is located the oil pocket through rubber sleeve 13 that is equipped with, thereby avoid lubricating oil to flow out from L shape oil.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The coupler capable of oiling the bearing for the crane comprises a coupler mounting seat (1) and a rotating shaft mounting seat (2) and is characterized in that mounting discs (3) are fixedly sleeved at two ends, close to the side wall of the coupler mounting seat (1) and the side wall of the rotating shaft mounting seat (2), of the two ends, the two mounting discs (3) are fixedly connected through a plurality of fixing bolts (4), connecting pump shafts (5) and connecting spacing shafts (6) are fixedly connected at centers of two opposite ends of the coupler mounting seat (1) and the rotating shaft mounting seat (2) respectively, a bearing is fixedly sleeved at one end, far away from the rotating shaft mounting seat (2), of the side wall of the coupler mounting seat (1) and comprises an inner ring (7), rollers (8) and an outer ring (9), an oil cavity is formed in the coupler mounting seat (1), and through holes are formed in the side wall of the oil cavity and the side wall of the inner ring, the oil filler point has been seted up to the lateral wall of shaft coupling mount pad (1) and has been linked together through oil filler point and oil pocket, the lateral wall fixedly connected with of shaft coupling mount pad (1) corresponds with oil filler point position an internal thread section of thick bamboo (10), the common notes oil pipe (11) that are equipped with in inside of an internal thread section of thick bamboo (10) and oil filler point, the fixed cover has been cup jointed on the pipe wall upper end of notes oil pipe (11) an external screw thread section of thick bamboo (12), an internal thread section of thick bamboo (10) and an external screw thread section of thick bamboo (12) threaded connection, the lower extreme of notes oil pipe (11) extends to the inside of oil pocket, and the inside of notes oil pipe (11) has seted up L shape oil filler point, rubber.

2. The coupler capable of oiling the bearing for the crane according to claim 1, wherein the oil chambers are two, and the two oil chambers are respectively arranged at the upper side and the lower side inside the coupler mounting seat (1).

3. The coupler for oiling a bearing for a crane according to claim 1, wherein the outer end of the oiling port is tapered, and the lower end of the externally threaded cylinder (12) is matched with the outer end of the oiling port.

4. The coupler capable of oiling the bearing for the crane according to claim 1, wherein the end of the oiling pipe (11) positioned outside the coupler mounting seat (1) is opened.

5. The coupler capable of oiling the bearing for the crane according to claim 1, wherein the opposite ends of the coupler mounting seat (1) and the rotating shaft mounting seat (2) are both provided with grooves, the bottoms of the two grooves are both fixedly connected with two symmetrically arranged limiting rods (14), the two grooves are internally and jointly provided with a metal diaphragm (15), the end surface of the metal diaphragm (15) is provided with a first limiting hole matched with the limiting rod (14), and the length of the limiting rod (14) is half of the length of the first limiting hole.

6. The coupler capable of oiling the bearing for the crane according to claim 5, wherein the two ends of the metal diaphragm (15) are both fixedly connected with backing plates (16), and the end surfaces of the two backing plates (16) are both provided with second limiting holes corresponding to the first limiting holes.

Images