CN201166025Y - Hydraulic cylinder head and rail connection pin and connection device - Google Patents
Hydraulic cylinder head and rail connection pin and connection device Download PDFInfo
- Publication number
- CN201166025Y CN201166025Y CNU2008200008728U CN200820000872U CN201166025Y CN 201166025 Y CN201166025 Y CN 201166025Y CN U2008200008728 U CNU2008200008728 U CN U2008200008728U CN 200820000872 U CN200820000872 U CN 200820000872U CN 201166025 Y CN201166025 Y CN 201166025Y
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- joint shaft
- shaft bearing
- hydraulic cylinder
- inner ring
- bearing pin
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Abstract
The utility model discloses a hydraulic cylinder head-to-tail connecting pin shaft and a hydraulic cylinder head-to-tail connecting device. The connecting pin shaft comprises a major diameter segment, an intermediate diameter segment and a minor diameter segment which are connected in sequence and have sequentially descending sizes, wherein one end of the pin shaft is provided with a hexagonal square head as a rotary exerting structure, and a lead cone is arranged on the front end surface of the minor diameter segment of the pin shaft. The disclosed hydraulic head-to-tail connecting device comprises a hydraulic cylinder, a first supporting seat, a second supporting seat, an oscillating bearing, a clamp plate, a screw, the pin shaft, a first locating spacer and a second locating spacer, wherein the first locating spacer and the second locating spacer are arranged on two sides of an inner ring of the oscillating bearing, the outer diameter of the first locating spacer and the second locating spacer is smaller than that of the outer ring of the oscillating bearing but larger that the inner diameter of the inner ring of the oscillating bearing, and the thickness of the first locating spacer and the second locating spacer is larger than a distance from the end surface of the inner ring of the oscillating bearing to the top portion of the hydraulic cylinder or the end surface of the tail portion of the hydraulic cylinder. The hydraulic cylinder head-to-tail connecting pin shaft is simple in structure, easy in installation and detachment, which is particularly adaptable to head-to-tail connection and fixation of hydraulic cylinders with oscillating bearings.
Description
Technical field
The utility model relates to a kind of bearing pin and coupling arrangement, particularly relates to a kind of oil hydraulic cylinder connecting link pin and oil hydraulic cylinder coupling arrangement end to end end to end.
Background technique
Current, hydraulic system applications is very extensive, wherein oil hydraulic cylinder is again the critical component in the hydraulic system, the extensive use of oil hydraulic cylinder has determined the complexity that oil hydraulic cylinder is stressed, and oil hydraulic cylinder connects end to end uses bearing pin, not only bearing radial force effect, also to bear responsive to axial force, bearing pin often deforms after stressed, causes the dismounting difficulty, and the installation and maintenance performance reduces.
In order to improve the installation and maintenance of bearing pin, prior art has connected oil hydraulic cylinder has carried out relevant improvement with bearing pin, open day is on January 19th, 2005, the patent No. discloses a kind of oil hydraulic cylinder coupling arrangement end to end for the CN200320114058 model utility, it mainly is made of oil hydraulic cylinder, bearing 1, bearing pin 2, setting sleeve 4 and clamp 5, and wherein bearing pin 2 is a stepped shaft.As shown in Figure 1, big one section of step-like bearing pin 2 diameters of axle matches with anchor plate 11 endoporus of bearing 1, one section that the diameter of axle is little is set with setting sleeve 4, one end face of setting sleeve 4 contacts with the joint shaft bearing inner ring, the part of the other end be assemblied in the anchor plate 11 of bearing 1 ' on, and by clamp 5 axially locating, clamp 5 be assemblied in Card trough 2 on the bearing pin 2 ' and the described anchor plate 11 of sheet with rib ' on notch 1 ' between, clamp 5 passes through screw, make its can not withdraw from Card trough 2 ' with notch 1 ', therefore clamp 5 can bear from the axial force on the both direction of bearing pin 2, thereby makes bearing pin 2 can bear bigger radial force and axial force.
Though above-mentioned coupling arrangement and bearing pin have advantage simple and compact for structure, when assembling and maintenance said apparatus, can produce following problem:
The one, when installing, part displacement distance on fitting surface that the diameter of axle is little is still long, inserts relatively difficulty of bearing pin;
The 2nd, after long-time the use, the surface of bearing pin may produce local plastic deformation, perhaps oxidation corrosion, and these all can cause the dimensional changes of fitting surface or non-fitting surface, dismounting bearing pin difficulty during maintenance;
The 3rd, during the dismounting bearing pin, as Fig. 1, oil hydraulic cylinder head or afterbody bear the active force of supporting base 11, and axle sleeve 3 inner rings in joint will overcome the friction of fitting surface, the outer ring of joint shaft bearing 3 and inner ring are simultaneously stressed like this, are easy to cause the joint shaft bearing mesopore to damage with circlip.
In addition, in assembling during bearing pin, also exist clamp be difficult to bearing pin on Card trough align the problem that causes bearing pin 2 to be installed and removed repeatedly.
The model utility content
At above-mentioned defective, the purpose of this utility model is to provide a kind of convenient installation, and the easy-off bearing pin when a kind of dismounting also is provided, reduces oil hydraulic cylinder that joint shaft bearing damages generation coupling arrangement end to end.
In addition, the utility model also has a purpose: be exactly to solve when the assembling bearing pin, clamp and bearing pin Card trough align the problem of difficulty, when a kind of installations is provided simultaneously, and the bearing pin of easy insertion.
In order to realize above-mentioned purpose, the bearing pin that the utility model provides comprises big footpath section and path section that diameter of axle size is different, has Card trough at this bearing pin one end, comprise also that between big footpath section and path section diameter of axle size is less than the big footpath section diameter of axle and greater than the middle footpath section of the path section diameter of axle.
Preferably, be provided with rotation at an end of this bearing pin and put forth effort structure.
Preferably, the outer end that structure is arranged on the big footpath of this bearing pin section is puted forth effort in described rotation.
Preferably, to put forth effort structure be six square toes in described rotation.
Preferably, an end face of this bearing pin is provided with inner hexagonal hole.
Preferably, also be provided with guide cone at bearing pin path section front-end face.
The utility model also provides a kind of oil hydraulic cylinder coupling arrangement end to end, this device comprises oil hydraulic cylinder, first supporting base, second supporting base, joint shaft bearing, clamp, screw and setting sleeve, described joint shaft bearing is assemblied in the head or the afterbody of oil hydraulic cylinder, the described first supporting base endoporus and the second supporting base endoporus match with above-mentioned bearing pin big footpath section and path section respectively, and described joint shaft bearing inner ring internal diameter matches with middle footpath section; Described joint shaft bearing inner ring axially locating is between the big footpath of bearing pin section interior edge face and setting sleeve one end face; Described setting sleeve is sleeved on the path section, and axially locating is realized by clamp in its other end.
The utility model also provides another kind of oil hydraulic cylinder coupling arrangement end to end, comprise oil hydraulic cylinder, first supporting base, second supporting base, joint shaft bearing, clamp and screw, described joint shaft bearing is assemblied in the head or the afterbody of oil hydraulic cylinder, first positioning spacer that also comprise between first supporting base and joint shaft bearing inner ring, matches with the bearing pin external diameter; The described first supporting base endoporus and the second supporting base endoporus match with the path section and the big footpath section of above-mentioned bearing pin respectively, and described joint shaft bearing inner ring internal diameter matches with footpath section in the described bearing pin; Described joint shaft bearing inner ring axially locating is between the big footpath of bearing pin section interior edge face and first positioning spacer, one end face, and the described first positioning spacer external diameter is less than joint shaft bearing outer ring external diameter, greater than joint shaft bearing inner ring internal diameter; The thickness of described first positioning spacer is greater than the distance of its place joint shaft bearing inner ring end end face to oil hydraulic cylinder head or the same end end face of afterbody.
Preferably, described oil hydraulic cylinder is coupling arrangement second positioning spacer that also comprises between second supporting base and joint shaft bearing inner ring, match with the bearing pin external diameter end to end, the described second positioning spacer external diameter is less than joint shaft bearing outer ring external diameter, greater than joint shaft bearing inner ring internal diameter; The thickness of described second positioning spacer is greater than the distance of its place joint shaft bearing inner ring end end face to oil hydraulic cylinder head or the same end end face of afterbody.
The three stage structure that the utility model basic technical scheme adopts the diameter of axle to reduce successively, unaffected mutually during each fitting surface mounting or dismounting; Three stage structure makes bearing pin displacement distance on fitting surface shorter; The slight variation of certain fitting surface boundary dimension can not have influence on the installation and removal of other fitting surfaces, and the bearing pin that the structural feature of these three aspects provides the utility model has the advantage that is easy to mount and dismount.
Rotating machinery six square toes can be in installation process in the optimal technical scheme, and rotary pin shaft helps axle head Card trough and clamp and aligns easily, prevents to improve installation efficiency because of aligning difficulty repeated disassembled and assembled bearing pin.
Insert when guide cone helps the bearing pin assembling in the optimal technical scheme, improve installation efficiency.
The oil hydraulic cylinder that utilizes above-mentioned pin shaft structure is coupling arrangement end to end, also possesses and the corresponding characteristics of above-mentioned advantage.
The another kind of oil hydraulic cylinder that provides end to end coupling arrangement because at the joint shaft bearing two ends, and be provided with first, second positioning spacer between first, second supporting base, when the installation and removal bearing pin, avoided the joint shaft bearing outer ring stressed, have only the joint shaft bearing inner ring stressed, outer ring and inner ring are not stressed simultaneously, avoid or alleviated the generation of joint shaft bearing damage when dismantling.
Bearing pin that the utility model provides and device can extensively be suitable for oil hydraulic cylinder connection end to end, are specially adapted to have being connected and fixed of oil hydraulic cylinder of joint shaft bearing.
Description of drawings
Fig. 1 is the disclosed oil hydraulic cylinder of model utility CN200320114058 connecting device structure figure end to end.
Fig. 2 is the utility model bearing pin embodiment one a structural representation.
Fig. 3-the 1st, the utility model bearing pin embodiment two structural representation.
Fig. 3-the 2nd, another kind of structural representation of the utility model bearing pin embodiment two.
Fig. 3-the 3rd, A is to view among Fig. 3-2.
Fig. 4 is the utility model bearing pin embodiment three a structural representation.
Fig. 5 is the utility model coupling arrangement embodiment one a structural representation.
Fig. 6 is the utility model coupling arrangement embodiment two a structural representation.
Embodiment
In order to realize all purposes of the present utility model, the utility model has carried out the many places improvement to bearing pin described in the prior art, adapt therewith, to oil hydraulic cylinder end to end coupling arrangement also adopted new technological means, respectively bearing pin and coupling arrangement are described in detail below in conjunction with specific embodiment.
As shown in Figure 2, the bearing pin that provides of example one is made up of the different big footpath section 203 of diameter of axle size, middle footpath section 204 and path section 205.Footpath section 204 links to each other between big footpath section 203 and path section 205 and with the two in described, and diameter of axle size is less than big footpath sections 203 and greater than path section 205, described Card trough 202 is positioned at section 203 outer ends, the big footpath of bearing pin.Three-stage structure is that the installation and removal of bearing pin are provided convenience, and concrete reason is: one, diameter of axle difference, and fitting surface is unaffected mutually during assembling, and promptly each footpath section fit tolerance size only influences the assembling of this footpath section; Two, during the installation and removal bearing pin, the distance that moves on fitting surface shortens relatively, can shorten the time of assembling and dismounting, also can reduce wear; Three, the reason such as stressed or surface oxidising corrosion owing to bearing pin, during distortion that section external diameter in footpath produces, each diameter of axle difference makes a slight deformation on the section of footpath can not have influence on the Assembly And Disassembly of other footpath sections, therefore the bearing pin that provides in this example has the characteristics of the installation and removal of being easy to, and can prolong bearing pin working life; Card trough 202 matches with the clamp of coupling arrangement, guarantees the axial force that bearing pin can bear both direction.
Structure according to bearing pin in the prior art, in assembly process, when the clamp in generation Card trough 202 and the coupling arrangement can not align situation, bearing pin will be pulled down, again install, and Card trough 202 is inevitably with the situation that clamp can not align, therefore, to the mounting or dismounting repeatedly of bearing pin, example two provides the bearing pin of another kind of structure during for fear of installation.Shown in Fig. 3-1, bearing pin is also set up one six square toes 201 extending axially of section 203 outsides, big footpath and is puted forth effort structure as rotation except comprising three footpath sections 203,204,205 and Card trough 202 in this example on the line.The effect of six square toes 201 is: the Card trough 202 on bearing pin can not be to timing with clamp, only need suitable angle of bearing pin rotation can be realized easily that clamp aligns in Card trough 202 and the coupling arrangement with spanner, avoid the repeated disassembled and assembled bearing pin, improve installation efficiency.The function of three footpath sections 203,204,205 and Card trough 202 does not repeat them here with example one.
Rotating machinery in the last example also can be the hexagon ring that is located at inside, section 202 outer end, big footpath, and concrete structure is established axial bore 201 referring to Fig. 3-2,3-3 in big footpath section 203, and endoporus is a hexagon, adopts such structure can reduce the axial dimension of bearing pin.When needed, with six square toes with regard to rotatable bearing pin.As long as select suitable dimensions for use, the function that this structure can not influence Card trough 202 realizes.Certainly realize that the bearing pin rotation also is not limited to the structure in the example, also can put forth effort structure and replace,, at this moment, just may need special-purpose instrument rotary pin shaft such as flat, triangle, square, opening straight groove, opening cross recess or the like with other rotations; Also can by rotatable handle etc. other can rotary pin shaft mechanism realize; Can also when the needs rotary pin shaft, in tapped hole, screw in a bolt earlier in the structure of big footpath section 202 outer end indoor design interior threaded holes, realize rotation to bearing pin or the like then with the spanner swivel bolt.In addition, above-mentioned rotational structure also is not limited to the big end of the diameter of axle, and the end that the diameter of axle is little also is corresponding rotation can be set put forth effort structure, realizes the rotation of bearing pin.
When bearing pin was installed, bearing pin need pass a supporting base, enters the joint shaft bearing inner ring, enters another supporting base again, because the space is little between the supporting base, bearing pin wanders off when inserting joint shaft bearing inner ring or another supporting base easily, causes difficulty is installed.For addressing the above problem, the work of three pairs of examples two of example further improvement.As shown in Figure 4, example three increases guide cone 206 at the front end of embodiment's two described pin shaft structures, and described guide cone 206 is positioned at path section 205 outer ends.The effect of guide cone 206 is: utilize its leading role, prevent to wander off when bearing pin from installing, solve the problem that bearing pin inserts difficulty.The function of three footpath sections 203,204,205 and Card trough 202, does not repeat them here with example two with example one, six square toes 201 functions.
The oil hydraulic cylinder that the utility model provides coupling arrangement end to end utilizes above-mentioned bearing pin to assemble to obtain, and therefore also has the advantage of above-mentioned bearing pin.
Oil hydraulic cylinder coupling arrangement embodiment one end to end adopts above-mentioned bearing pin embodiment three footpath segment structures, and Card trough 202 is positioned at path section outer end, other parts employing prior aries.As shown in Figure 5, this routine coupling arrangement comprises: oil hydraulic cylinder 500, first supporting base 501, second supporting base 507, bearing pin 502, clamp 505, setting sleeve 542 and joint shaft bearing 503.The big footpath of bearing pin 502 section 203 matches with first supporting base, 501 endoporus, in footpath section 204 match with joint shaft bearing 503 inner ring holes, path section 205 matches with second supporting base, 507 endoporus, joint shaft bearing 503 is assemblied in the head or the afterbody of oil hydraulic cylinder 500, axially locating is realized by big footpath section 203 interior edge faces in the lower end, axially locating is realized by setting sleeve 542 end faces in the upper end, and setting sleeve 542 is also by clamp 505 axially locating.Clamp 505 is inserted in the Card trough 202 of bearing pin, and clamp 505 is screwed on second supporting base 507.
Coupling arrangement in this example also can adopt the bearing pin of above-mentioned various structures to realize.Because the bearing pin that uses the utility model to provide, the installation and removal of coupling arrangement all than being easier to, have improved the installation and maintenance performance of bearing pin, and advantage repeats no more.
Though the structure that goes up routine coupling arrangement possesses the advantage of the installation and removal of being easy to, but when the installation and removal bearing pin, the active force of first supporting base 501 is born in joint shaft bearing 503 outer rings, joint shaft bearing 503 inner rings will overcome the friction of fitting surface, the outer ring of joint shaft bearing 503 and inner ring bear rightabout power like this, are easy to cause joint shaft bearing 503 to damage.Coupling arrangement among the embodiment two provides a kind of coupling arrangement that joint shaft bearing damages that reduces or avoid, as shown in Figure 6, oil hydraulic cylinder end to end coupling arrangement comprise bearing pin 602, screw 606, clamp 605, first positioning spacer 641, second positioning spacer 642 and joint shaft bearing 603 in oil hydraulic cylinder 600, first supporting base 601, second supporting base 607, the foregoing description three.The big footpath of bearing pin 602 section 203 matches with second supporting base, 607 endoporus, and middle footpath section 204 matches with joint shaft bearing 603 inner ring internal diameters, and path section 205 matches with first supporting base, 601 endoporus; Joint shaft bearing 603 is assemblied in the head or the afterbody of oil hydraulic cylinder 600; At joint shaft bearing 603 inner ring two ends, and be provided with second positioning spacer 642 and first positioning spacer 641 between first, second supporting base 601,607, and the two external diameter is less than joint shaft bearing 603 outer ring external diameters, greater than joint shaft bearing 603 inner ring internal diameters; First positioning spacer and the second positioning spacer thickness are greater than the distance of joint shaft bearing 603 end inner ring end faces in place to oil hydraulic cylinder 500 heads or tail end face.Second positioning spacer, 642 endoporus cooperate with middle footpath section 204, and first positioning spacer, 641 endoporus match with path section 205, and clamp 605 is inserted in the Card trough 202 of bearing pin 602, and clamp 605 usefulness screws 606 are fixed on second supporting base 607.
In installation process, guide cone 206 is convenient to the insertion of bearing pin 602; Card trough 202 on bearing pin 602 can not only need rotate six square toes 201 with spanner to timing with clamp 605, just can easily Card trough 202 and clamp 605 be aligned, and avoids dismantling repeatedly bearing pin; Clamp 605, Card trough 202 and screw 606 guarantee the axially locating of bearing pin; Screw 606 prevents that clamp 605 from withdrawing from from Card trough 202, provide assurance for bearing pin 602 bears axial force.
Because second positioning spacer 642 and first positioning spacer, 641 external diameters are less than joint shaft bearing 603 outer ring external diameters, greater than joint shaft bearing 603 inner ring internal diameters, in the time of can guaranteeing bearing pin 602 dismountings, the outer ring of joint shaft bearing 603 does not stress, have only the inner ring of joint shaft bearing 603 stressed, avoided joint shaft bearing 603 inner rings and outer ring simultaneously stressed, reduced or joint shaft bearing 603, the particularly generation of the damage of the circlip for hole between joint shaft bearing 603 outer rings and the oil hydraulic cylinder 600 when avoiding assembling; First positioning spacer and the second positioning spacer thickness are greater than the distance of its place end joint shaft bearing 603 inner ring end faces to oil hydraulic cylinder 600 head end, can guarantee in use, oil hydraulic cylinder 600 heads or afterbody do not contact with first supporting base or second supporting base, the effect of performance joint shaft bearing 603 prevents that joint shaft bearing 603 from damaging.
In this example, with reference to figure 6, as long as guarantee the axially locating of joint shaft bearing 603 inner rings.Second positioning spacer, 642 endoporus also can cooperate with big footpath section 203; Equally, under the situation of the axially locating that guarantees joint shaft bearing, first positioning spacer, 641 endoporus can match with middle footpath section 204, do not influence the realization of this apparatus function.In addition in this example, can save second positioning spacer 642, the top of joint shaft bearing 603 inner rings directly is positioned between big footpath section 203 interior edge faces of bearing pin 602, though can not reach when avoiding dismantling bearing pin, joint shaft bearing 603 inner rings and outer ring are simultaneously stressed, reduce or the purpose of the generation that joint shaft bearing damages when avoiding assembling; But in the time of can avoiding bearing pin is installed, joint shaft bearing 603 inner rings and outer ring be simultaneously stressed, reduce or avoid the generation of joint shaft bearing 603 circlip for holes damage, realize the axially locating of joint shaft bearing 603 simultaneously.
The coupling arrangement of last example also can adopt the bearing pin of above-mentioned various structures to realize.
The above only is a preferred implementation of the present utility model, the utility model can also have more changeable shape, such as typically having: clamp can be welded as a whole with the bearing pin major part, only needs this moment a screw to join a bolt on the clamp and prevents that the bearing pin rotation is just passable; Card trough can be located at the other end of bearing pin, and the structure of rotary pin shafts such as certain six square toes preferably is located at same end with Card trough, with aligning of convenient card board slot and clamp or the like.Should be pointed out that for those skilled in the art under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (12)
1, a kind of oil hydraulic cylinder connecting link pin end to end, comprise big footpath section and path section that diameter of axle size is different, have Card trough at this bearing pin one end, it is characterized in that, also comprise between big footpath section and path section that diameter of axle size is less than the big footpath section diameter of axle and greater than the middle footpath section of the path section diameter of axle.
2, connecting link pin according to claim 1 is characterized in that, is provided with rotation at an end of this bearing pin and puts forth effort structure.
3, connecting link pin according to claim 2 is characterized in that, the outer end that structure is arranged on the big footpath of this bearing pin section is puted forth effort in described rotation.
According to claim 2 or 3 described connecting link pins, it is characterized in that 4, it is six square toes that structure is puted forth effort in described rotation.
5, connecting link pin according to claim 1 is characterized in that, an end face of this bearing pin is provided with inner hexagonal hole.
6, according to each described connecting link pin in the claim 1,2,3 or 5, it is characterized in that, also be provided with guide cone at bearing pin path section front-end face.
7, a kind of oil hydraulic cylinder coupling arrangement end to end, comprise oil hydraulic cylinder, first supporting base, second supporting base, joint shaft bearing, clamp, screw and setting sleeve, described joint shaft bearing is assemblied in the head or the afterbody of oil hydraulic cylinder, it is characterized in that, the described first supporting base endoporus and the second supporting base endoporus match with each described bearing pin big footpath section and path section in the claim 1,2,3 or 5 respectively, and described joint shaft bearing inner ring internal diameter matches with middle footpath section; Described joint shaft bearing inner ring axially locating is between the big footpath of bearing pin section interior edge face and setting sleeve one end face; Described setting sleeve is sleeved on the path section, and axially locating is realized by clamp in its other end.
8, a kind of oil hydraulic cylinder coupling arrangement end to end, comprise oil hydraulic cylinder, first supporting base, second supporting base, joint shaft bearing, clamp, screw and setting sleeve, described joint shaft bearing is assemblied in the head or the afterbody of oil hydraulic cylinder, it is characterized in that, the described first supporting base endoporus and the second supporting base endoporus match with the described bearing pin of claim 6 big footpath section and path section respectively, and described joint shaft bearing inner ring internal diameter matches with middle footpath section; Described joint shaft bearing inner ring axially locating is between the big footpath of bearing pin section interior edge face and setting sleeve one end face; Described setting sleeve is sleeved on the path section, and axially locating is realized by clamp in its other end.
9, a kind of oil hydraulic cylinder coupling arrangement end to end, comprise oil hydraulic cylinder, first supporting base, second supporting base, joint shaft bearing, clamp and screw, described joint shaft bearing is assemblied in the head or the afterbody of oil hydraulic cylinder, it is characterized in that first positioning spacer that also comprise between first supporting base and joint shaft bearing inner ring, matches with the bearing pin external diameter; The described first supporting base endoporus and the second supporting base endoporus match with the path section and the big footpath section of each described bearing pin in the claim 1,2,3 or 5 respectively, and described joint shaft bearing inner ring internal diameter matches with footpath section in the described bearing pin; Described joint shaft bearing inner ring axially locating is between the big footpath of bearing pin section interior edge face and first positioning spacer, one end face, and the described first positioning spacer external diameter is less than joint shaft bearing outer ring external diameter, greater than joint shaft bearing inner ring internal diameter; The thickness of described first positioning spacer is greater than the distance of its place joint shaft bearing inner ring end end face to oil hydraulic cylinder head or the same end end face of afterbody.
10, coupling arrangement according to claim 9, it is characterized in that, second positioning spacer that also comprise between second supporting base and joint shaft bearing inner ring, matches with the bearing pin external diameter, the described second positioning spacer external diameter is less than joint shaft bearing outer ring external diameter, greater than joint shaft bearing inner ring internal diameter; The thickness of described second positioning spacer is greater than the distance of its place joint shaft bearing inner ring end end face to oil hydraulic cylinder head or the same end end face of afterbody.
11, a kind of oil hydraulic cylinder coupling arrangement end to end, comprise oil hydraulic cylinder, first supporting base, second supporting base, joint shaft bearing, clamp and screw, described joint shaft bearing is assemblied in the head or the afterbody of oil hydraulic cylinder, it is characterized in that first positioning spacer that also comprise between first supporting base and joint shaft bearing inner ring, matches with the bearing pin external diameter; The described first supporting base endoporus and the second supporting base endoporus match with the path section and the big footpath section of the described bearing pin of claim 6 respectively, and described joint shaft bearing inner ring internal diameter matches with footpath section in the described bearing pin; Described joint shaft bearing inner ring axially locating is between the big footpath of bearing pin section interior edge face and first positioning spacer, one end face, and the described first positioning spacer external diameter is less than joint shaft bearing outer ring external diameter, greater than joint shaft bearing inner ring internal diameter; The thickness of described first positioning spacer is greater than the distance of its place joint shaft bearing inner ring end end face to oil hydraulic cylinder head or the same end end face of afterbody.
12, coupling arrangement according to claim 11, it is characterized in that, second positioning spacer that also comprise between second supporting base and joint shaft bearing inner ring, matches with the bearing pin external diameter, the described second positioning spacer external diameter is less than joint shaft bearing outer ring external diameter, greater than joint shaft bearing inner ring internal diameter; The thickness of described second positioning spacer is greater than the distance of its place joint shaft bearing inner ring end end face to oil hydraulic cylinder head or the same end end face of afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200008728U CN201166025Y (en) | 2008-03-26 | 2008-03-26 | Hydraulic cylinder head and rail connection pin and connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200008728U CN201166025Y (en) | 2008-03-26 | 2008-03-26 | Hydraulic cylinder head and rail connection pin and connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166025Y true CN201166025Y (en) | 2008-12-17 |
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ID=40191412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200008728U Expired - Fee Related CN201166025Y (en) | 2008-03-26 | 2008-03-26 | Hydraulic cylinder head and rail connection pin and connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166025Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019495A1 (en) * | 2010-08-09 | 2012-02-16 | 湖南三一智能控制设备有限公司 | Joint bearing and connecting structure with it |
| CN102581539A (en) * | 2012-03-26 | 2012-07-18 | 无锡华联科技集团有限公司 | Positioning and clamping mechanism of bridge slab rib assembly machine |
| CN104165057A (en) * | 2014-06-19 | 2014-11-26 | 中国铁建重工集团有限公司 | Slurry shield stone breaking device and slurry shield tunneling machine with same |
-
2008
- 2008-03-26 CN CNU2008200008728U patent/CN201166025Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012019495A1 (en) * | 2010-08-09 | 2012-02-16 | 湖南三一智能控制设备有限公司 | Joint bearing and connecting structure with it |
| CN102581539A (en) * | 2012-03-26 | 2012-07-18 | 无锡华联科技集团有限公司 | Positioning and clamping mechanism of bridge slab rib assembly machine |
| CN102581539B (en) * | 2012-03-26 | 2014-12-03 | 武船重型工程股份有限公司 | Positioning and clamping mechanism of bridge slab rib assembly machine |
| CN104165057A (en) * | 2014-06-19 | 2014-11-26 | 中国铁建重工集团有限公司 | Slurry shield stone breaking device and slurry shield tunneling machine with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sanyi Electric Co., Ltd. Assignor: Sanyi Heavy Industry Co., Ltd. Contract fulfillment period: 2009.4.20 to 2027.4.20 Contract record no.: 2009110000148 Denomination of utility model: Hydraulic cylinder head and rail connection pin and connection device Granted publication date: 20081217 License type: Exclusive license Record date: 20090707 |
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| LIC | Patent licence contract for exploitation submitted for record |
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