CN207877160U - A kind of fixation pivoting support formula crane that bearing capacity is good - Google Patents

Abstract

The utility model provides a kind of fixation pivoting support formula crane that bearing capacity is good, is related to crane field.The good fixation pivoting support formula crane of the bearing capacity, including upper inner ring, lower inner ring and outer ring, it is fixedly connected by the first bolt and the second bolt between upper inner ring and lower inner ring, it is movably set with upper sphere between upper inner ring and outer ring, it is lower that lower sphere is movably set between inner ring and outer ring, it is movably set with cylinder roller between outer ring and upper inner ring and lower inner ring, the inner wall of upper inner ring and lower inner ring is both provided with multiple teeth.The good fixation pivoting support formula crane of the bearing capacity, it is made of three upper inner ring, lower inner ring and outer ring major parts, three upper sphere, cylinder roller and lower sphere rolling members are provided between outer ring and inner ring, pivoting support bearing capacity compared to traditional single rolling member is more preferable, and it is more preferable that upper inner ring and lower inner ring separate the single integral inner ring bearing capacity of stationary phase ratio.

Description

A kind of fixation pivoting support formula crane that bearing capacity is good

Technical field

The utility model is related to crane field, the good fixation pivoting support formula crane of specially a kind of bearing capacity.

Background technology

Crane refers to more action hoisting machineries of vertical-lift in a certain range and horizontal carrying heavy goods, also known as day Vehicle, hanging, crane, pivoting support are the nearly 40 years novel mechanical parts worldwide gradually risen, it has inside and outside The compositions such as circle, rolling element are a kind of large size bearings that can bear combined load, can bear larger axial, radial direction simultaneously Load and tilting moment.

Pivoting support is widely used in the engineerings such as rotary transfer machine, manipulator, middle-size and small-size crane and excavator The fixation pivoting support of machinery, existing crane generally comprises outer ring and inner ring, but most of outer ring and inner ring time are all Only there are one rolling members, therefore bearing capacity is low, makes crane at work when overloading, and pivoting support is just Range beyond carrying, to cause lifting process pivoting support fracture occur.

Utility model content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the utility model provides a kind of fixation pivoting support formula lifting that bearing capacity is good Machine solves the problems, such as that the fixation pivoting support bearing capacity of existing crane is bad.

（Two）Technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of bearing capacity is good to be consolidated Determine pivoting support formula crane, including upper inner ring, lower inner ring and outer ring, passes through the first bolt between the upper inner ring and lower inner ring It is fixedly connected with the second bolt, upper sphere is movably set between the upper inner ring and outer ring, between the lower inner ring and outer ring It is movably set between lower sphere, the outer ring and upper inner ring and lower inner ring and is movably set with cylinder roller, the upper inner ring It is provided with sealing ring between surface and the top of outer ring, is provided with down between the surface and the bottom of outer ring of the lower inner ring close The inner wall of seal, the upper inner ring and lower inner ring is both provided with multiple teeth.

Preferably, the outer wall of the inner wall of the outer ring and upper inner ring offers upper raceway compatible with upper sphere, institute The outer wall of the inner wall and lower inner ring of stating outer ring offers lower raceway compatible with lower sphere.

Preferably, the inner wall of the outer ring offers compatible with cylinder roller with the outer wall of upper inner ring and lower inner ring The top and bottom of middle raceway, the cylinder roller are flexibly connected with upper inner ring and lower inner ring respectively by connecting pole.

Preferably, the outer ring is flexibly connected by upper sphere and cylinder roller with upper inner ring, and the outer ring passes through lower ball Body and cylinder roller are flexibly connected with lower inner ring.

Preferably, the inside of the upper inner ring and lower inner ring open up there are two first positioning hole and 14 first installation Hole, the first positioning hole and the first mounting hole are uniformly distributed around the axial direction of outer ring.

Preferably, the inside of the outer ring is opened up there are two second location hole and 14 the second mounting holes, and described second Location hole and the second mounting hole are uniformly distributed around the axial direction of outer ring.

（Three）Advantageous effect

The utility model provides a kind of fixation pivoting support formula crane that bearing capacity is good.Have following beneficial to effect Fruit：

1, the good fixation pivoting support formula crane of the bearing capacity, by three upper inner ring, lower inner ring and outer ring main portions Divide and constitute, three upper sphere, cylinder roller and lower sphere rolling members are provided between outer ring and inner ring, compared to the single rolling of tradition The pivoting support bearing capacity of part is more preferable, and it is more preferable than whole inner ring bearing capacity that upper inner ring and lower inner ring separate stationary phase, solution It has determined the bad problem of fixation pivoting support bearing capacity of existing crane.

2, the good fixation pivoting support formula crane of the bearing capacity is inlaid with stone on upper raceway, lower raceway and middle raceway Black lubricated granules prevent pivoting support self-lubricate in the case of no lubricating oil, prevent pivoting support from pulling, and extend and use Service life, sealing ring make pivoting support good airproof performance, and preventing introduced contaminants from entering between outer ring and inner ring influences its working performance, peace Dress hole and location hole are axially uniformly distributed around outer ring, and stationarity is good when outer ring being made to install, and not will produce inclination, precision higher.

Description of the drawings

Fig. 1 is the utility model structure sectional view；

Fig. 2 is the utility model structure partial sectional view；

Fig. 3 is the utility model structure top view.

In figure, inner ring on 1,3 outer rings, 4 first bolts, 5 second bolts, 6 upper spheres, 7 lower spheres, rolls on 82 times inner rings It is raceway in road, 9 times raceways, 10 connecting poles, 11 cylinder rollers, 12, sealing ring on 13,14 lower seals, 15 teeth, 16 first fixed Position hole, 17 first mounting holes, 18 second location holes, 19 second mounting holes.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

The utility model embodiment provides a kind of fixation pivoting support formula crane that bearing capacity is good, as shown in Figs. 1-3, It is fixed and is connected by the first bolt 4 and the second bolt 5 including upper inner ring 1, lower inner ring 2 and outer ring 3, between upper inner ring 1 and lower inner ring 2 It connects, it is more preferable than whole inner ring bearing capacity that upper inner ring 1 and lower inner ring 2 separate stationary phase, movable between upper inner ring 1 and outer ring 3 It is provided with upper sphere 6, the outer wall of the inner wall of outer ring 3 and upper inner ring 1 offers upper raceway 8 compatible with upper sphere 6, upper ball Body 6 rolls in the upper raceway 8, is movably set with lower sphere 7 between lower inner ring 2 and outer ring 3, the inner wall of outer ring 3 and lower inner ring 2 Outer wall offers lower raceway 9 compatible with lower sphere 7, and lower sphere 7 rolls in lower raceway 9, outer ring 3 and upper inner ring 1 and Be movably set with cylinder roller 11 between lower inner ring 2, the outer wall of the inner wall of outer ring 3 and upper inner ring 1 and lower inner ring 2 offer with The compatible middle raceway 12 of cylinder roller 11, cylinder roller 11 roll in middle raceway 12, upper raceway 8, lower raceway 9 and middle raceway It is inlaid with graphite lubrication particle on 12, prevents pivoting support self-lubricate in the case of no lubricating oil, prevents revolution branch Bear wound, prolong the service life, the top and bottom of cylinder roller 11 by connecting pole 10 respectively with upper inner ring 1 and lower inner ring 2 Flexible connection, outer ring 3 are flexibly connected by upper sphere 6 and cylinder roller 11 with upper inner ring 1, and outer ring 3 passes through lower sphere 7 and cylindricality Roller 11 is flexibly connected with lower inner ring 2, and 11 3 upper sphere 6, lower sphere 7 and cylinder roller rolling members compare traditional single rolling The pivoting support bearing capacity of part is more preferable, and sealing ring 13 is provided between the surface and the top of outer ring 3 of upper inner ring 1, lower interior It is provided with lower seal 14 between the surface and the bottom of outer ring 3 of circle 2, sealing ring makes pivoting support good airproof performance, prevents the external world Impurity, which enters between outer ring 3 and inner ring, influences its working performance, and the inner wall of upper inner ring 1 and lower inner ring 2 is both provided with multiple teeth 15, the revolution pinion gear on crane is intermeshed with teeth 15, and the inside of upper inner ring 1 and lower inner ring 2 opens up that there are two the A positioning hole 16 and 14 the first mounting holes 17, first positioning hole 16 and the first mounting hole 17 are around the axial uniform of outer ring 3 Distribution, the inside of outer ring 3 open up that there are two second location hole 18 and 14 the second mounting holes 19, second location holes 18 and second Axial direction of the mounting hole 19 around outer ring 3 is uniformly distributed, and mounting hole and location hole are axially uniformly distributed around outer ring 3, and outer ring 3 is made to pacify Stationarity is good when dress, not will produce inclination, precision higher.

Operation principle：When mounted, positioning pin is inserted into second location hole 18 first and first positioning hole 16 is external respectively Circle 3, upper inner ring 1 and lower inner ring 2 are positioned, by locating piece be inserted into the second mounting hole 19, in the first mounting hole 17 to outer ring 3, Upper inner ring 1 and lower inner ring 2, which are fixed, carries out installation exercise, until all mounting holes all install, what crane worked When, motor starting drives the revolution pinion rotation on crane, revolution pinion gear to be intermeshed with teeth 15, makes inner ring 1 and the rotation of lower inner ring 2, upper sphere 6, lower sphere 7 and cylinder roller 11 roll, realize the rotation between outer ring 3 and inner ring, made The turntable of heavy-duty machine is turned round.

In conclusion the fixation pivoting support formula crane that the bearing capacity is good, by upper inner ring 1, lower inner ring 2 and outer ring 3 Three major parts are constituted, and 7 three upper sphere 6, cylinder roller 11 and lower sphere rolling members are provided between outer ring 3 and inner ring, Pivoting support bearing capacity compared to traditional single rolling member is more preferable, and upper inner ring 1 and lower inner ring 2 separate stationary phase than in entirety It is more preferable to enclose bearing capacity, solves the problems, such as that the fixation pivoting support bearing capacity of existing crane is bad.

The good fixation pivoting support formula crane of the bearing capacity is inlaid on upper raceway 8, lower raceway 9 and middle raceway 12 Graphite lubrication particle prevents pivoting support to be axially uniformly distributed around outer ring 3 in no profit mounting hole and location hole, makes outer ring 3 Stationarity is good when installation, not will produce inclination, and self-lubricate in the case of precision higher lubricating oil prevents pivoting support from pulling, prolongs Long life, sealing ring make pivoting support good airproof performance, and preventing introduced contaminants from entering between outer ring 3 and inner ring influences its work Performance.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of good fixation pivoting support formula crane of bearing capacity, including upper inner ring（1）, lower inner ring（2）The outer ring and（3）, It is characterized in that：The upper inner ring（1）With lower inner ring（2）Between pass through the first bolt（4）With the second bolt（5）It is fixedly connected, The upper inner ring（1）With outer ring（3）Between be movably set with upper sphere（6）, the lower inner ring（2）With outer ring（3）Between activity It is provided with lower sphere（7）, the outer ring（3）With upper inner ring（1）With lower inner ring（2）Between be movably set with cylinder roller（11）, The upper inner ring（1）Surface and outer ring（3）Top between be provided with sealing ring（13）, the lower inner ring（2）Surface With outer ring（3）Bottom between be provided with lower seal（14）, the upper inner ring（1）With lower inner ring（2）Inner wall be both provided with Multiple teeth（15）.

2. a kind of good fixation pivoting support formula crane of bearing capacity according to claim 1, it is characterised in that：It is described Outer ring（3）Inner wall and upper inner ring（1）Outer wall offer and upper sphere（6）Compatible upper raceway（8）, the outer ring （3）Inner wall and lower inner ring（2）Outer wall offer and lower sphere（7）Compatible lower raceway（9）.

3. a kind of good fixation pivoting support formula crane of bearing capacity according to claim 1, it is characterised in that：It is described Outer ring（3）Inner wall and upper inner ring（1）With lower inner ring（2）Outer wall offer and cylinder roller（11）Compatible middle raceway （12）, the cylinder roller（11）Top and bottom pass through connecting pole（10）Respectively with upper inner ring（1）With lower inner ring（2）Activity Connection.

4. a kind of good fixation pivoting support formula crane of bearing capacity according to claim 1, it is characterised in that：It is described Outer ring（3）Pass through upper sphere（6）And cylinder roller（11）With upper inner ring（1）Flexible connection, the outer ring（3）Pass through lower sphere （7）And cylinder roller（11）With lower inner ring（2）Flexible connection.

5. a kind of good fixation pivoting support formula crane of bearing capacity according to claim 1, it is characterised in that：It is described Upper inner ring（1）With lower inner ring（2）Inside open up there are two first positioning hole（16）With 14 the first mounting holes（17）, institute State first positioning hole（16）With the first mounting hole（17）Around outer ring（3）Axial direction be uniformly distributed.

6. a kind of good fixation pivoting support formula crane of bearing capacity according to claim 1, it is characterised in that：It is described Outer ring（3）Inside open up there are two second location hole（18）With 14 the second mounting holes（19）, the second location hole （18）With the second mounting hole（19）Around outer ring（3）Axial direction be uniformly distributed.