CN214118768U

CN214118768U - Sliding bearing sleeve and sliding bearing lubricating structure

Info

Publication number: CN214118768U
Application number: CN202022022997.4U
Authority: CN
Inventors: 张剑; 罗会文
Original assignee: Changsha Broad Homes Industrial Group Co Ltd
Current assignee: Changsha Broad Homes Industrial Group Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-09-03
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a slide bearing lubricating structure, including bearing housing, round pin axle, the round pin axle is established in the bearing housing, its structural feature is, oil groove and ring channel have been seted up to the inner face of bearing housing, the ring channel with the oil groove communicates with each other. And an oil filling nozzle is arranged at the shaft end of the pin shaft and is communicated with the annular groove through an axis oil way in the pin shaft. The annular groove is formed in the inner surface of the bearing sleeve, so that a larger oil outlet gap is formed at an oil outlet on the pin shaft, when oil is injected from an oil injection nozzle at the end part of the pin shaft, the oil can smoothly enter and fill the annular groove of the sliding bearing sleeve through an axis oil way and an oil outlet of the pin shaft, and the oil further enters the oil grooves at two sides because the annular groove is communicated with the oil grooves, so that the whole length range of the pin shaft is fully lubricated.

Description

Sliding bearing sleeve and sliding bearing lubricating structure

Technical Field

The utility model relates to a building engineering machine tool technical field, concretely relates to slide bearing sleeve and slide bearing lubricating structure.

Background

At present, PC board overturning and demoulding are mostly carried out by adopting overturning platform equipment in PC production factories in the assembly type building industry. The hinged part of the turnover arm and the base in the turnover table equipment adopts a rotating structure of a pin shaft and a sliding bearing, and the sliding bearing is lubricated in a way of feeding oil into the inner ring surface of the sliding bearing through a shaft center hole of the pin shaft. In the past, because the lubricating structure of the sliding bearing is unreasonable, oil cannot be fed, so that the sliding bearing and the pin shaft are in dry friction rotation due to oil shortage, even the pin shaft and the sliding bearing are glued together, the pin shaft also rotates along with the pin shaft (the pin shaft is fixed), and further the clamping plate bolt for fixing the pin shaft is cut off, so that equipment accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, to prior art not enough, provide a slide bearing sleeve and slide bearing lubricating structure, this slide bearing lubricating structure is lubricated reliable, simple structure, excellent in use effect, satisfies the operating condition performance requirement completely.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a sliding bearing sleeve comprises a bearing sleeve and is structurally characterized in that an oil groove and an annular groove are formed in the inner face of the bearing sleeve, and the annular groove is communicated with the oil groove.

Because the annular groove is arranged on the inner surface of the sliding bearing sleeve, the position of the oil outlet on the pin shaft corresponds to the position of the annular groove during installation, so that a larger oil outlet gap is formed at the oil outlet on the pin shaft, and oil can smoothly enter and fill the annular groove of the sliding bearing sleeve. Because the annular groove is communicated with the oil groove, oil further enters the oil groove to fully lubricate the pin shaft. After that, the lubricating grease is periodically injected, so that the effect of continuously lubricating the sliding bearing and the pin shaft can be realized.

Further, the annular groove is arranged along the circumferential direction of the bearing sleeve.

Further, the oil grooves are positioned on two sides of the annular groove.

Furthermore, the oil groove extends along the length direction of the bearing sleeve so as to fully lubricate the whole length range of the pin shaft.

Furthermore, the quantity of oil groove is a plurality of, and is a plurality of the oil groove is followed the circumferencial direction interval of bearing housing sets up to impel lubricating oil evenly distributed on the bearing housing, play even lubricated effect.

Further, the shape of the oil groove is spiral line shape.

Further, the shape of the oil groove is linear.

Based on the same invention concept, the utility model also provides a slide bearing lubricating structure.

A sliding bearing lubricating structure comprises the sliding bearing sleeve and a pin shaft, wherein the pin shaft is arranged in the bearing sleeve.

Because the axle center oil path in the pin shaft is communicated with the annular groove, an oil outlet on the pin shaft is provided with a larger oil outlet gap, so that when oil is injected from the oil injection nozzle at the end part of the pin shaft, the oil can smoothly enter and fill the annular groove of the sliding bearing sleeve through the axle center oil path and the oil outlet of the pin shaft, and the oil further enters the oil grooves at two sides because the annular groove is communicated with the oil grooves, thereby realizing the full lubrication of the whole length range of the pin shaft. After that, the lubricating grease is periodically injected, so that the effect of continuously lubricating the sliding bearing and the pin shaft can be realized.

Further, the sliding bearing sleeve further comprises a bearing seat, a first lug plate and a second lug plate, the bearing seat is sleeved with the bearing seat, and two ends of the pin shaft are respectively connected with the shaft holes in the first lug plate and the second lug plate in a matched mode.

Furthermore, the lateral surface of first otic placode is equipped with the cardboard, the cardboard with sell epaxial recess block fixed, the cardboard pass through the mounting with first otic placode is connected, the mounting is preferably the bolt. The clamping plate limits axial movement of the pin shaft and rotation of the pin shaft, the pin shaft is completely fixed, and only the sliding bearing is sleeved on the pin shaft to rotate.

Compared with the prior art, the utility model discloses the beneficial effect who has is: simple structure, it is lubricated reliable, actual effect is good, can realize satisfying operating condition performance requirement completely to the lubricated effect of sustainability between slide bearing and round pin axle.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it should be apparent that the drawings in the following description only relate to some embodiments of the present invention and are not intended to limit the present invention.

Fig. 1 is a sectional view of a sliding bearing lubricating structure according to the present invention.

Fig. 2 is a sectional view of a sliding bearing sleeve according to a first embodiment of the present invention.

Fig. 3 is a sectional view of a sliding bearing sleeve according to a second embodiment of the present invention.

Reference numerals:

1-a bearing seat; 2-bearing sleeve; 3-a pin shaft; 4-oil groove; 5-an annular groove; 6-oil injection nozzle; 7-axial oil circuit; 81-a first ear plate; 82-a second ear plate; 9-clamping plate; 10-a fixing member; 11-base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The utility model discloses in use "upper", "lower", "left", "right" etc. are only used for showing relative position relation, and after the absolute position of the object that is described changed, then this relative position relation also probably changes correspondingly.

The utility model provides a slide bearing lubricating structure, as shown in fig. 1, including bearing frame 1, bearing housing 2, round pin axle 3, bearing housing 2 establishes on the bearing frame 1, round pin axle 3 is established in the bearing housing 2, oil groove 4 has been seted up on the inner face to bearing housing 2, the axle head of round pin axle 3 is equipped with glib talker 6, glib talker 6 communicates with each other through the axle center oil circuit 7 in the round pin axle 3 and the epaxial oil-out of round pin 3, with the position of the epaxial oil-out of round pin 3 is corresponding ring channel 5 has been seted up on the inner face of bearing housing 2, ring channel 5 with oil groove 4 communicates with each other.

The annular groove is formed in the inner surface of the bearing sleeve corresponding to the position of the oil outlet on the pin shaft, so that the oil outlet on the pin shaft is provided with a larger oil outlet gap, when oil is injected from the oil injection nozzle at the end part of the pin shaft, the oil can smoothly enter and fill the annular groove of the sliding bearing sleeve through the axis oil way and the oil outlet of the pin shaft, and the oil further enters the oil grooves at two sides because the annular groove is communicated with the oil grooves, so that the whole length range of the pin shaft is fully lubricated. After that, the lubricating grease is periodically injected, so that the effect of continuously lubricating the sliding bearing and the pin shaft can be realized.

The oil groove 4 extends along the length direction of the bearing sleeve 2 so as to fully lubricate the whole length range of the pin shaft.

The quantity of oil groove 4 is a plurality of, and is a plurality of the oil groove is followed the circumferencial direction interval of bearing housing sets up to impel lubricating oil evenly distributed on the bearing housing, play even lubricated effect.

The utility model discloses a slide bearing sleeve of first embodiment is shown in fig. 2, oil groove 4 is the helix, sets up positive and negative 2 helix oil grooves 4 in the inner face of bearing sleeve 2, and the ring channel 5 that is located the intermediate position can cut off positive and negative 2 helix oil grooves 4 for 2 positive and negative helix oil grooves 4 on ring channel 5 both sides all are linked together with middle ring channel 5.

The utility model discloses a sliding bearing sleeve of second embodiment is shown in fig. 3, oil groove 4 is sharp, sets up 6 straight line shape oil grooves 4 along the even interval distribution of circumferencial direction in the inner face of bearing

housing

2, and 6 straight line shape oil grooves 4 can be cut off to ring channel 5 that is located the intermediate position for 6 straight line shape oil grooves 4 on 5 both sides of ring channel are all linked together with middle ring channel 5.

First otic placode 81, second otic placode 82 establish on base 11, the both ends of round pin axle 3 cooperate with the shaft hole on first otic placode 81, the second otic placode 82 respectively to be connected. The outer side surface of the first ear plate 81 is provided with a clamping plate 9, and the clamping plate 9 is clamped and fixed with the groove on the pin shaft 3. The clamping plate 9 is connected with the first ear plate 81 through a fixing piece 10. The clamping plate limits axial movement of the pin shaft and rotation of the pin shaft, the pin shaft is completely fixed, and only the sliding bearing is sleeved on the pin shaft to rotate.

The utility model discloses be applied to the roll-over table equipment of PC factory production line, this slide bearing lubricating structure simple structure, it is lubricated reliable, the actual effect is good, can realize satisfying the actual condition performance requirement completely to the lubricated effect of sustainability between slide bearing and round pin axle.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims

1. The utility model provides a sliding bearing sleeve, includes bearing housing (2), its characterized in that, oil groove (4) and ring channel (5) have been seted up on the inner face of bearing housing (2), ring channel (5) with oil groove (4) communicate with each other, ring channel (5) are followed the circumferencial direction of bearing housing (2) sets up, oil groove (4) are located the both sides of ring channel (5).

2. A sliding bearing sleeve according to claim 1, characterized in that the oil groove (4) extends in the length direction of the bearing sleeve (2).

3. A sliding bearing sleeve according to claim 1, characterized in that the number of oil grooves (4) is plural, and plural oil grooves (4) are provided at intervals in the circumferential direction of the bearing sleeve (2).

4. A sliding bearing bushing according to claim 1, characterized in that the shape of the oil groove (4) is spiral.

5. A sliding bearing bushing according to claim 1, characterized in that the oil groove (4) is rectilinear in shape.

6. A sliding bearing lubricating structure, comprising a sliding bearing sleeve and a pin shaft (3) according to any one of claims 1 to 5, wherein the pin shaft (3) is arranged in the bearing sleeve (2), and is characterized in that an oil filling nozzle (6) is arranged at the shaft end of the pin shaft (3), and the oil filling nozzle (6) is communicated with the annular groove (5) through an axis oil path (7) in the pin shaft (3).

7. A sliding bearing lubrication structure according to claim 6, characterized in that the sliding bearing lubrication structure further comprises a bearing seat (1), a first lug plate (81) and a second lug plate (82), the bearing sleeve (2) is arranged on the bearing seat (1), and two ends of the pin shaft (3) are respectively connected with shaft holes on the first lug plate (81) and the second lug plate (82) in a matching manner.

8. The lubrication structure of a sliding bearing according to claim 7, wherein a clamping plate (9) is arranged on the outer side surface of the first lug plate (81), the clamping plate (9) is clamped and fixed with the groove on the pin shaft (3), and the clamping plate (9) is connected with the first lug plate (81) through a fixing member (10).