CN216430285U - Wear-resisting type axle bush easy to assemble - Google Patents

Abstract

The utility model discloses a wear-resisting type axle bush easy to assemble, including upper bearing shell, lower axle bush and wear pad, wear pad and upper bearing shell, lower axle bush sliding connection, the upper bearing shell, the lower axle bush left and right sides respectively are equipped with butt joint piece and butt joint groove, butt joint piece slides and inserts in the butt joint groove, be equipped with the draw-in groove on the wear pad, be equipped with the intercommunication groove between butt joint groove and the draw-in groove, the intercommunication inslot slides and is equipped with the fixture block, during the use, with wear pad sliding insertion upper bearing shell and lower axle bush respectively, aim at the butt joint groove with the butt joint piece again and insert, make upper bearing shell and lower axle bush butt joint, prevent the dislocation, will extrude the fixture block after the butt joint piece inserts the butt joint groove, make the fixture block slide and insert in the draw-in groove, fix the wear pad.

Description

Wear-resisting type axle bush easy to assemble

Technical Field

The utility model relates to an axle bush field of making specifically is an easy to assemble's wear-resisting type axle bush.

Background

The bearing bush is the part of the sliding bearing contacted with the shaft neck, is in a bush-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, can be made of wood, engineering plastics or rubber under special conditions, and is in clearance fit with the shaft neck and generally does not rotate along with the shaft.

When an existing bearing bush is installed, an upper bearing bush and a lower bearing bush can be dislocated frequently, and the rotating shaft continuously rubs with the bearing bushes in the rotating process due to the fact that the inner sides of the bearing bushes are directly contacted with the rotating shaft, so that the bearing bushes are prone to excessive wear and affect use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a wear-resisting type axle bush of easy to assemble for realizing above-mentioned purpose.

The utility model provides a following technical scheme: the utility model provides a wear-resisting type axle bush easy to assemble, includes upper bearing shell, lower bearing shell and wear pad, wear pad quantity is two, and wear pad outside integrated into one piece has two dovetails, upper bearing shell and lower bearing shell all are equipped with the dovetail of two symmetries along the axial, the dovetail slides and inserts in the dovetail, the upper bearing shell left and right sides is equipped with butt joint piece and butt joint groove respectively, the lower bearing shell left and right sides is equipped with respectively can with upper bearing shell complex butt joint groove and butt joint piece, butt joint piece slides and inserts in butt joint groove, be equipped with the draw-in groove on the wear pad, be equipped with the intercommunication groove between butt joint groove and the draw-in groove, it is equipped with the fixture block to slide in the intercommunication groove, intercommunication groove top is equipped with the spout, fixedly connected with the slider on the fixture block, slider and spout sliding connection, and the fixedly connected with spring between slider one side and the spout one end.

Preferably, the inner side of the wear-resistant plate is provided with radial oil grooves with openings at two ends along the radial direction, and the inner side of the wear-resistant plate is provided with five axial oil grooves along the axial direction.

Preferably, the wear-resistant plate is provided with a through hole at the center of the radial oil groove, and the upper bearing bush is provided with an oil filling hole at the position corresponding to the through hole.

Preferably, the radial oil groove and the axial oil groove have the same depth.

Preferably, the corners of the butt-joint blocks are rounded, and the end faces of the clamping blocks at one ends in the butt-joint grooves are smooth curved surfaces.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a key wearing and tearing position material of counter shaft tile is strengthened, increases the wearability of axle tile to design its differentiation for can dismantling the part, economic cost is low when the maintenance is changed, and the wearing pad is a wear-resisting material and constitutes, specifically is high manganese steel material, and hardness is high and the wearability is strong, and in the dovetail that the wearing pad slided to insert on the axle tile through the dovetail, the realization can be dismantled with the axle tile and be connected, convenient the change.

2. The utility model discloses when using, upper and lower axle bush realizes the butt joint through butt joint piece sliding insertion in the butt joint groove, prevents upper and lower axle bush dislocation, and is easy to assemble, and after butt joint piece inserted the butt joint groove, will extrude the fixture block and make the fixture block insert the draw-in groove on the wear pad, fixes the wear pad, prevents effectively that the wear pad from breaking away from with the axle bush in the use.

3. The utility model discloses a design radial oil groove, axial oil groove, through-hole and oil filler point, radial oil groove and axial oil groove intercommunication make from the lubricating oil that the oil filler point pours into can the free flow, conveniently to add lubricating oil in the axle bush to further reduce wearing and tearing, prolong the utility model discloses life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 2.

In the figure: the bearing comprises an upper bearing bush 1, a lower bearing bush 2, a wear-resistant sheet 3, a dovetail joint 4, a dovetail groove 5, a butt joint block 6, a butt joint groove 7, a clamping groove 8, a communication groove 9, a clamping block 10, a sliding groove 11, a sliding block 12, a spring 13, a radial oil groove 14, an axial oil groove 15, a through hole 16 and an oil injection hole 17.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a wear-resistant bearing bush convenient to mount comprises an upper bearing bush 1, a lower bearing bush 2 and wear-resistant pieces 3, wherein the number of the wear-resistant pieces 3 is two, two dovetails 4 are integrally formed on the outer side of the wear-resistant pieces 3, two symmetrical dovetail grooves 5 are respectively arranged on the upper bearing bush 1 and the lower bearing bush 2 along the axial direction, the dovetails 4 are inserted into the dovetail grooves 5 in a sliding manner, the upper bearing bush 1 and the lower bearing bush 2 are butted to form a complete bearing bush, the wear-resistant pieces 3 are detachably connected with the upper bearing bush 1 and the lower bearing bush 2 in a sliding fit manner through the dovetails 4 and the dovetail grooves 5, butt-joint blocks 6 and butt-joint grooves 7 are respectively arranged on the left side and the right side of the upper bearing bush 1, butt-joint grooves 7 and butt-joint blocks 6 which can be matched with the upper bearing bush 1 are respectively arranged on the left side and the right side of the lower bearing bush 2, the butt-joint blocks 6 are inserted into the butt-joint grooves 7 in a sliding manner, so that the upper bearing bush 1 and the lower bearing bush 2 cannot be dislocated after being butted, the wear-resisting plate 3 is provided with a clamping groove 8, a communicating groove 9 is arranged between the butt joint groove 7 and the clamping groove 8, a clamping block 10 is arranged in the communicating groove 9 in a sliding manner, the butt joint block 6 is inserted into the butt joint groove 7 to extrude the clamping block 10, the clamping block 10 is inserted into the clamping groove 8 in a sliding manner to fix the wear-resisting plate 3, a sliding groove 11 is arranged above the communicating groove 9, a sliding block 12 is fixedly connected onto the clamping block 10, the sliding block 12 is connected with the sliding groove 11 in a sliding manner, a spring 13 is fixedly connected between one side of the sliding block 12 and one end of the sliding groove 11, when the clamping block 10 is inserted into the clamping groove 8, the sliding block 12 slides in the sliding groove 11 and compresses the spring 13, when the butt joint block 6 is pulled out from the butt joint groove 7, the clamping block 10 is reset under the action of the spring 13, so as to release the fixation of the wear-resisting plate 3, the wear-resisting plate 3 is convenient to disassemble and replace the wear-resisting plate 3, when in use, the wear-resisting plate 3 is respectively inserted into the upper bearing bush 1 and the lower bearing bush 2, then the butt joint block 6 is aligned to the butt joint groove 7, make upper bearing shell 1 and the butt joint of lower bearing shell 2, prevent the dislocation, butt joint piece 6 will extrude fixture block 10 after inserting butt joint groove 7, make fixture block 10 slip insert in draw-in groove 8, fix wear pad 3, when fixture block 10 inserts draw-in groove 8, slider 12 slides and compression spring 13 in spout 11, when butt joint piece 6 extracts from butt joint groove 7, fixture block 10 can reset under spring 13's effect, thereby relieve the fixed to wear pad 3, conveniently dismantle and change wear pad 3.

As a technical optimization scheme, 3 inboards of wear pad are along radially being equipped with both ends open-ended radial oil groove 14, upper and lower axle bush butt joint back, realize the intercommunication between the radial oil groove 14 on the wear pad 3, 3 inboards of wear pad are equipped with five axial oil grooves 15 along the axial, during the use, can add solid-state lubricating oil in radial oil groove 14 and the axial oil groove 15 in advance, the pivot rubs the themogenesis when the axle bush internal rotation, melts solid-state lubricating oil, make and form the one deck oil film between pivot and the axle bush, reduce friction.

As a technical optimization scheme of the utility model, wear pad 3 is located radial oil groove 14 central authorities and is equipped with through-hole 16, and upper bearing shell 1 corresponds 16 positions of through-hole department and is equipped with oil filler point 17, and radial oil groove 14 is unanimous with the 15 degree of depth of axial oil groove, can melt back with solid-state lubricating oil and pour into from oil filler point 17, flows into radial oil groove 14 through-hole 16, shunts each axial oil groove 15 again, evenly lubricates.

As a technical optimization scheme of the utility model, the fillet is made to the corner of butt joint piece 6, and the one end terminal surface that fixture block 10 is located butt joint groove 7 is smooth curved surface for when butt joint piece 6 and fixture block 10 contact, relative slip takes place more easily for fixture block 10.

The working principle is as follows: when the utility model is used, the wear-resistant plate 3 is respectively inserted into the upper bearing bush 1 and the lower bearing bush 2 in a sliding way, the butt joint block 6 is aligned to the butt joint groove 7 and inserted, the upper bearing bush 1 and the lower bearing bush 2 are butted to prevent dislocation, the butt joint block 6 is inserted into the butt joint groove 7 to extrude the fixture block 10, the fixture block 10 is inserted into the clamping groove 8 in a sliding way, the wear-resistant plate 3 is fixed, when the fixture block 10 is inserted into the clamping groove 8, the slider 12 slides in the sliding groove 11 and compresses the spring 13, when the butt joint block 6 is pulled out from the butt joint groove 7, the fixture block 10 can reset under the action of the spring 13, thereby the fixation of the wear-resistant plate 3 is released, the wear-resistant plate 3 is convenient to be disassembled and replaced, the wear-resistant plate 3 is provided with the radial oil groove 14 and the axial oil groove 15 for storing lubricating oil, in addition, the through hole 16 and the oil injection hole 17 are designed to facilitate later stage lubricating oil injection, the wear between the rotating shaft and the rotating shaft is reduced to the maximum extent, the wear resistance of the bearing bush is increased.

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 (5)

1. The utility model provides a wear-resisting type axle bush of easy to assemble, includes upper bearing shell (1), lower axle shell (2) and wear pad (3), its characterized in that: the wear-resistant plate is characterized in that the number of the wear-resistant plates (3) is two, two dovetail joints (4) are integrally formed on the outer side of each wear-resistant plate (3), the upper bearing bush (1) and the lower bearing bush (2) are respectively provided with two symmetrical dovetail grooves (5) along the axial direction, the dovetail joints (4) are inserted into the dovetail grooves (5) in a sliding manner, butt-joint blocks (6) and butt-joint grooves (7) are respectively arranged on the left side and the right side of the upper bearing bush (1), the butt-joint grooves (7) and the butt-joint blocks (6) which can be matched with the upper bearing bush (1) are respectively arranged on the left side and the right side of the lower bearing bush (2), the butt-joint blocks (6) are inserted into the butt-joint grooves (7) in a sliding manner, clamping grooves (8) are formed in the wear-resistant plates (3), communicating grooves (9) are formed between the butt-joint grooves (7) and the clamping grooves (8), clamping blocks (10) are arranged in the communicating grooves (9) in a sliding manner, sliding manners (11) are arranged above the communicating grooves (9), the fixture block (10) is fixedly connected with a sliding block (12), the sliding block (12) is connected with a sliding groove (11) in a sliding mode, and a spring (13) is fixedly connected between one side of the sliding block (12) and one end of the sliding groove (11).

2. An easily installed, wear resistant bearing shell according to claim 1, wherein: the wear-resistant plate is characterized in that the inner side of the wear-resistant plate (3) is provided with radial oil grooves (14) with openings at two ends along the radial direction, and the inner side of the wear-resistant plate (3) is provided with five axial oil grooves (15) along the axial direction.

3. An easily installed, wear resistant bearing shell according to claim 2, wherein: the wear-resisting piece (3) is located radial oil groove (14) center and is equipped with through-hole (16), go up axle bush (1) and be equipped with oil filler point (17) corresponding through-hole (16) position department.

4. An easily installed, wear resistant bearing shell according to claim 2, wherein: the radial oil groove (14) and the axial oil groove (15) are consistent in depth.

5. An easily installed, wear resistant bearing shell according to claim 1, wherein: the corner of the butt joint block (6) is subjected to fillet treatment, and the end face of one end, located in the butt joint groove (7), of the clamping block (10) is a smooth curved surface.

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