CN201293704Y - Combined oil film static pressure bearing type horizontal sliding table - Google Patents
Combined oil film static pressure bearing type horizontal sliding table Download PDFInfo
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- CN201293704Y CN201293704Y CNU200820216139XU CN200820216139U CN201293704Y CN 201293704 Y CN201293704 Y CN 201293704Y CN U200820216139X U CNU200820216139X U CN U200820216139XU CN 200820216139 U CN200820216139 U CN 200820216139U CN 201293704 Y CN201293704 Y CN 201293704Y
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Abstract
A combination oil film static pressure bearing type horizontal slide platform relates to an electric vibration test bench, which is characterized in that an oil film support bearing group and an oil film guide bearing group are provided between the table board and the table base; the oil film support bearing is composed by fitting a T-shaped sliding guide rail and a T-shaped guiding groove, thereby forming a support structure with oil film pressure differential balance at vertical direction and overturning torque direction; the oil film guide bearing is composed by fitting a rectangle sliding guide rail and a rectangle guiding groove, thereby forming a guide structure with oil film pressure differential balance at horizontal direction; each oil film support bearing and each oil film guide bearing are symmetrically distributed in horizontal plane at front, back, left and right, according to a basic point as the center of the table board. The technical scheme can significantly improve the loading ability, overturning resistance and deflecting torque resistance of the horizontal electric vibration platform, to bear large overturning torque, prevent the horizontal slide platform from over pitching and deflecting to protect the electric vibration platform and test pieces.
Description
Technical field
The utility model relates to the electric vibration table in the dynamic environmental test equipment, particularly is used to be engaged in the combination oil film static pressure bearing type horizontal sliding table of horizontal direction vibration test in the electric vibration table.
Background technology
Horizontal sliding table is the utility appliance of electric vibration table as the slip stage body of horizontal direction, is used in the horizontal direction the motion of electric vibration table is passed to test specimen, perhaps supports test specimen, the vibration of dummy level direction in the horizontal vibration test.Existing typical horizontal sliding table mainly is made up of table top and pedestal two parts, and the relative ground of pedestal is fixed, and table top is connected with pedestal by the sliding guide mechanism (as slip guide pillar, slip V-shaped groove etc.) of horizontal direction.Oil sources provides lubricating oil during work between table top and pedestal, is floated at the effect following table of static pressure oil film, and does not directly contact with pedestal.Oil surface tension can suppress the table top movement in vertical direction, and minimum even can ignore to the kinematic constraint of horizontal direction.Guiding mechanism restriction table top can only be along level side's linear slide, and can not transverse movement.This horizontal sliding table only is applicable to that mini-mesa (such as 1.2m * 1.2m), and is not suitable for large-scale table top (such as 3m * 3m).In use should strict symmetry and the levelness that keeps between the shaking table axis and the horizontal sliding table axis of symmetry, prevent from directly to contact between table top and the pedestal, shaking table is damaged because of being subjected to excessive lateral load.During installation load, as far as possible its center of gravity is reduced, and, prevent to damage shaking table because of producing excessive upsetting moment and deflecting torque near the table top middle position.These shortcomings greatly reduce the actual loading ability of horizontal sliding table and the service efficiency of horizontal electric shaking table, finally cause the performance of electric vibration table and life-span to be declined to a great extent.And horizontal sliding table inside is distributed with complicated oil feeding line, and not only processing and manufacturing complexity, and opening old hole is easy to destroy original oil circuit when maintenance and repair causes that fluid overflows when using, and whole table top is damaged scrap even.How just can avoid these phenomenons, addressing these problems is exactly the problem of this patent research.
Summary of the invention
The utility model provides a kind of combination oil film static pressure bearing type horizontal sliding table, its objective is and to improve load capacity, resistance to capsizing and the anti-deflection capacity of electric vibration table in being engaged in the horizontal direction vibration test, prevent that when bearing big upsetting moment horizontal sliding table from producing excessive pitching, deflection and damaging electric vibration table and test specimen.
For achieving the above object, the technical solution adopted in the utility model is: a kind of combination oil film static pressure bearing type horizontal sliding table, comprise table top and pedestal, and its innovation is: be provided with one group of oil film loading bearing and one group of oil film guide bearing between table top and pedestal;
Described oil film loading bearing is that inverse-T-shaped "T"-shaped rail plate and xsect is that inverse-T-shaped "T"-shaped guide groove cooperation constitutes by an xsect, wherein, "T"-shaped rail plate two shoulders two surface levels of both sides are up and down takeed on two corresponding surface level clearance fit of both sides up and down with "T"-shaped guide groove two respectively, and two mating surfaces that are parallel to each other about forming, be provided with the static pressure oil film in the gap of these two mating surfaces, this static pressure oil film is provided by the oil supplying hole that is located on the "T"-shaped guide groove, forms the supporting construction of oil film pressure differential balance in vertical direction and upsetting moment direction with this; Described "T"-shaped rail plate is fixedlyed connected with table top as the moving component of bearing, and described "T"-shaped guide groove is fixedlyed connected with pedestal as the fuel feeding supporting base of bearing;
The rectangle guide groove that described oil film guide bearing is a rectangle by the xsect rectangle rail plate that is rectangle and xsect cooperates and constitutes, wherein, two vertical plane clearance fit that two vertical planes of the rectangle rail plate left and right sides are corresponding with the rectangle guide groove left and right sides respectively, and two mating surfaces that are parallel to each other about forming, be provided with the static pressure oil film in the gap of these two mating surfaces, this static pressure oil film is provided by the oil supplying hole that is located on the rectangle guide groove, forms the guide frame of oil film pressure differential balance in the horizontal direction with this; Described rectangle rail plate is fixedlyed connected with table top as the moving component of bearing, and described rectangle guide groove is fixedlyed connected with pedestal as the fuel feeding guide holder of bearing;
Described one group of oil film loading bearing in the pedestal horizontal plane with the pedestal center be before and after the basic point and about equal symmetric arrangement; Described one group of oil film guide bearing in the pedestal horizontal plane with the pedestal center be before and after the basic point and about equal symmetric arrangement; The glide direction of each oil film loading bearing and each oil film guide bearing all is parallel to the glide direction of table top, and each oil film loading bearing is arranged in the interior different parts of pedestal horizontal plane with each oil film guide bearing.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described " table top " and " pedestal " refer to the horizontal linear slide unit of horizontal sliding table and the pedestal of supporting slide unit respectively.In working order down, table top is positioned at the top, and pedestal is positioned at the below.The relative ground of pedestal is fixed, and table top is driven the reciprocal linear slide of making horizontal direction on pedestal by shaking table.Test specimen is fixed on and carries out the horizontal vibration test on the table top.
2, in the such scheme, described "T"-shaped rail plate two shoulders are meant the position of the similar shoulder in T shape structure both sides.
3, in the such scheme, described " up and down ", " about ", " front and back ", " level ", " vertically " etc. direction and the position be horizontal sliding table be in use or duty under the orientation.
4, in the such scheme, in order to improve the unsteady support effect of pedestal to table top, the resistance of reducing friction, between table top and pedestal, can also be provided with one group of oil-film floating bearing, the oil-film floating bearing is made up of the plane of bearing seat and table top bottom, the bearing seat top is provided with platform, platform is provided with oil groove, be provided with oil supply hole in the oil groove, bearing seat is fixedlyed connected with pedestal, and platform cooperates with the plane clearance of table top bottom, and forms the mating surface of horizontal direction, be provided with the static pressure oil film in the gap of this mating surface, form the floating structure that oil film pressure supports in vertical direction with this; Described one group of oil-film floating bearing in the pedestal horizontal plane with the pedestal center be before and after the basic point and about equal symmetric arrangement, and each oil-film floating bearing, each oil film loading bearing and each oil film guide bearing are arranged in the different parts in the pedestal horizontal plane.
Design concept of the present utility model and effect are: the oil film static pressure bearing of three kinds of difference in functionalitys of design and type between the table top of horizontal sliding table and pedestal, be oil film loading bearing, oil film guide bearing and oil-film floating bearing, then these three kinds of filmatic bearings formed a kind of new oil film static pressure supporting construction that is applicable to horizontal sliding table by different combinations and plane topological design in the pedestal horizontal plane.This supporting construction can significantly improve horizontal electric shaking table load capacity and resistance to capsizing and anti-deflecting torque ability, can bear bigger upsetting moment, prevents that horizontal sliding table from producing excessive pitching, deflection and damage electric vibration table and test specimen.Secondly this supporting construction also has good steering capability, can better guarantee the direction of vibration transfer.In addition, these oil film static pressure bearings itself are independent of the horizontal sliding table table top, have good versatility and adaptability, and oil feeding line no longer passes through horizontal sliding table, make Installation and Debugging more convenient, and the maintaining process is simpler.
Description of drawings
Accompanying drawing 1 is that the utility model embodiment 1 oil film static pressure bearing is arranged synoptic diagram;
Accompanying drawing 2 is the utility model embodiment oil film loading bearing structural representation;
Accompanying drawing 3 is the cut-open view of accompanying drawing 2;
Accompanying drawing 4 is the utility model embodiment oil film guide bearing structural representation;
Accompanying drawing 5 is the cut-open view of accompanying drawing 4;
Accompanying drawing 6 is an oil-film floating bearing arrangement synoptic diagram;
Accompanying drawing 7 is the utility model embodiment scheme of installation;
Accompanying drawing 8 is that the utility model embodiment 2 oil film static pressure bearings are arranged synoptic diagram;
Accompanying drawing 9 is that synoptic diagram is arranged in a kind of variation of the utility model embodiment 1 oil film static pressure bearing;
Accompanying drawing 10 is that the utility model embodiment 3 oil film static pressure bearings are arranged synoptic diagram;
Accompanying drawing 11 is that the utility model embodiment 4 oil film static pressure bearings are arranged synoptic diagram;
Accompanying drawing 12 is that the utility model embodiment 5 oil film static pressure bearings are arranged synoptic diagram;
Accompanying drawing 13 is that the utility model embodiment 6 oil film static pressure bearings are arranged synoptic diagram.
In the above accompanying drawing: 1, "T"-shaped guide groove top plate; 2, "T"-shaped guide groove la m; 3, "T"-shaped guide groove lower plywood; 4, screw counter bore; 5, "T"-shaped rail plate top plate; 6, "T"-shaped rail plate top plate; 7, attachment screw; 8, rectangle guide groove top plate; 9, attachment screw hole; 10, rectangle rail plate; 11, rectangle guide groove lower plywood; 12, attachment screw counterbore; 13, attachment screw; 14, bearing seat; 15, attachment screw counterbore; 16, pedestal; 17, outside oil pipe road; 18, pedestal oil weir; 19～21, not contour backstay; 22, table top; 23, oil film loading bearing; 24, oil film guide bearing; 25, oil-film floating bearing; 26, static pressure oil film; 27, static pressure oil film; 28, oil groove; 29, platform; 30, oil supplying hole; 31, coupling bolt; A, reference field; B, reference field; C, pilot hole; E, reference field; F, reference field; D, pilot hole.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: a kind of combination oil film static pressure bearing type horizontal sliding table
This horizontal sliding table by table top 22 (see figure 7)s, pedestal 16 and be connected table top 22 and pedestal 16 between oil film static pressure bearing three parts constitute.Wherein, oil film static pressure bearing has 25 3 types on oil film loading bearing 23, oil film guide bearing 24 and oil-film floating bearing.The layout of this oil film static pressure bearing of three types on pedestal 16 be (Fig. 1 is for removing the state of table top 22) as shown in Figure 1, wherein, five oil film loading bearings 23 are arranged in 16 4 bights of pedestal and center, are used to bear vertical direction load and upsetting moment; Two oil film guide bearings 24 are one in front and one in back arranged, are used for the linear slide guiding of horizontal direction; Two right layouts of oil-film floating bearing 25 1 the first from left are used for the supporting bable tops 22 that floats, and reduce sliding friction.Outside oil pipe road 17 is used to connect the fuel feeding path, so that form high pressure static pressure oil film in oil film static pressure bearing.From Fig. 1, can obviously find out, by five one group of oil film loading bearings 23 that constitutes in pedestal 16 horizontal planes with pedestal 16 centers be before and after the basic point and about equal symmetric arrangement; By two one group of oil film guide bearings 24 that constitutes in pedestal 16 horizontal planes with pedestal 16 centers be before and after the basic point and about equal symmetric arrangement; By two one group of oil-film floating bearings 25 that constitutes in pedestal 16 horizontal planes with pedestal 16 centers be before and after the basic point and about equal symmetric arrangement.Nine oil film static pressure bearings form 3 * 3 square formation arranged, placement position non-overlapping copies on pedestal 16 altogether.The glide direction of each oil film loading bearing 23 and each oil film guide bearing 24 all is parallel to the glide direction (direction shown in the arrow among Fig. 1) of table top.
As shown in Figures 2 and 3, oil film loading bearing 23 is that inverse-T-shaped "T"-shaped rail plate and xsect is that inverse-T-shaped "T"-shaped guide groove cooperation constitutes by an xsect."T"-shaped guide groove is fixedly connected to form by coupling bolt 7 after by "T"-shaped guide groove top plate 1, "T"-shaped guide groove la m 2 and "T"-shaped guide groove lower plywood stack combinations again."T"-shaped rail plate is fixedly connected to form by coupling bolt 31 after by "T"-shaped rail plate top plate 5 and "T"-shaped rail plate top plate 6 stack combinations again."T"-shaped rail plate two shoulders two surface levels of both sides are up and down takeed on two corresponding surface level clearance fit of both sides up and down with "T"-shaped guide groove two respectively, and form two mating surfaces that are parallel to each other up and down.Be provided with static pressure oil film 26 in the gap of these two mating surfaces, this static pressure oil film 26 is provided by the oil supplying hole (show among the figure and draw) that is located on the "T"-shaped guide groove, forms the supporting construction of oil film pressure differential balance in vertical direction and upsetting moment direction with this.Described "T"-shaped rail plate is bolted to connection as the moving component and the table top 22 of bearing, and described "T"-shaped guide groove is bolted to connection as the fuel feeding supporting base and the pedestal 16 of bearing.During work, the hydraulic oil of certain pressure enters into the gap by the oil supplying hole in the fuel feeding supporting base (not drawing among the figure), between "T"-shaped rail plate and "T"-shaped guide groove, form one deck rigidity oil film, utilize vertical direction load of oil film rigidity balance and upsetting moment.
As shown in Figure 4 and Figure 5, the oil film guide bearing 24 rectangle guide groove that is rectangle by the xsect rectangle rail plate 10 that is rectangle and xsect cooperates and constitutes.The rectangle guide groove is fixedly connected to form by attachment screw 13 by rectangle guide groove top plate 8 and rectangle guide groove lower plywood 11.Two vertical plane clearance fit that two vertical planes of rectangle rail plate 10 left and right sides are corresponding with the rectangle guide groove left and right sides respectively, and two mating surfaces that are parallel to each other about forming.Be provided with static pressure oil film 27 in the gap of these two mating surfaces, this static pressure oil film 27 is provided by the oil supplying hole (show among the figure and draw) that is located on the rectangle guide groove, forms the guide frame of oil film pressure differential balance in the horizontal direction with this.Described rectangle rail plate 10 is connected by attachment screw hole 9 usefulness bolt with table top 22 as the moving component of bearing, and described rectangle guide groove is connected by attachment screw counterbore 12 usefulness bolt with pedestal 16 as the fuel feeding guide holder of bearing.During work, the hydraulic oil of certain pressure enters into the gap by the oil supplying hole in the fuel feeding guide holder, forms one deck rigidity oil film between rectangle rail plate 10 and rectangle guide groove, utilizes oil film rigidity balance lateral power, guarantees the direction of vibration transfer.
As shown in Figure 6, oil-film floating bearing 25 is made up of the plane of bearing seat 14 and table top bottom, the bearing seat top is provided with platform 29, platform 29 is provided with oil groove 28, be provided with oil supplying hole 30 in the oil groove 28, bearing seat 14 is connected by attachment screw counterbore 15 usefulness bolt with pedestal 16, and platform 29 cooperates with the plane clearance of table top 22 bottoms, and forms the mating surface of horizontal direction.Be provided with static pressure oil film (not drawing among the figure) in the gap of this mating surface, form the floating structure that oil film pressure supports in vertical direction with this.During work, there is smaller gap in the platform 29 of bearing seat 14 with the plane of table top 22 bottoms, the hydraulic oil of certain pressure enters into the gap by oil supplying hole 30, forms one deck rigidity oil film between the plane of platform 29 and table top 22 bottoms, utilizes the load of oil film rigidity balance vertical direction.
In a word, when horizontal sliding table and test specimen to-and-fro movement, produce the relative motion of direction of vibration between the rail plate of oil film loading bearing 23 and oil film guide bearing 24 and the guide groove.Produce the relative motion of direction of vibration between the bearing seat 14 of oil-film floating bearing 25 and the table top 22.Because the existence of high pressure oil film is the neat liquid friction, frictional resistance is very little, and drive power losses can be ignored, and long working life can keep operating accuracy for a long time.Because this programme is reasonable between table top 22 and pedestal 16, the design of science and layout three types oil film static pressure bearing, significantly improved horizontal electric shaking table load capacity, guiding accuracy and resistance to capsizing, prevented that horizontal sliding table from producing excessive pitching, deflection and damage electric vibration table and test specimen.And described three types oil film static pressure bearing is as separate part, and flexible arrangement is big, can carry out the adjustment of quantity and distributing position according to load and antidumping moment size requirements, has good versatility and adaptability.
In the present embodiment, because oil film static pressure bearing reasonable Arrangement between table top 22 and pedestal 16 of three types is arranged, even the center of gravity of test specimen load is than higher, the middle position that does not perhaps have close table top 22, this horizontal sliding table can come antidumping moment and anti-deflecting torque to eliminate its harm by oil film static pressure bearing, and can be owing to upsetting moment or the excessive damage shaking table of deflecting torque.The antidumping moment capacity of supposing single oil film loading bearing 23 is T (Newton meter), and the quantity of oil film loading bearing 23 is n, and then the antidumping moment that is produced by n oil film loading bearing 23 is ξ nT (Newton meter).Wherein ξ is the combination coefficients of a plurality of oil film loading bearings 23 when being used in combination.According to the quantity of oil film loading bearing 23, desirable 0.5～1 does not wait.Under actual state, the 24 general paired uses of oil film guide bearing.If the anti-deflecting torque ability of single oil film guide bearing 24 is S (Newton meter), the quantity of oil film guide bearing 24 is n, and then the anti-deflecting torque that is produced by n oil film guide bearing 24 is λ nS (Newton meter).Wherein λ is the combination coefficients of a plurality of oil film guide bearings 24 when being used in combination.According to the quantity of oil film guide bearing 24, desirable 0.6～0.9 does not wait.Can come the quantity of first stand oil film loading bearing 23 and oil film guide bearing 24 during use according to the size of load upsetting moment and deflecting torque, and then according to evenly arranging final quantification and arrangement along pedestal 16 axis of symmetry.
In the present embodiment, the rail plate of described oil film loading bearing 23 and oil film guide bearing 24 all relatively table top 22 fixedly connected by coupling bolt.Because the table top 22 of horizontal sliding table mostly is soft metals such as aluminium, magnesium, strength of joint is lower, so need by increasing screw-thread bush with the strength of joint of raising table top 22 with rail plate.
In the present embodiment, three kinds of oil film static pressure bearings are installed all has reference for installation when adjusting.As shown in Figure 2, oil film loading bearing 23 has two reference fields of A, B, and wherein the A reference field is that the relative pedestals 16 of "T"-shaped guide groove lower plywood 3 of oil film loading bearing 23 are by the fixedly connected benchmark of coupling bolt; The B reference field is the benchmark that oil film loading bearing 23 "T"-shaped rail plate top plate 5 relative table tops 22 are fixedlyed connected by coupling bolt with the C pilot hole.As shown in Figure 4, oil film guide bearing 24 has two reference fields of E, F, and wherein the F reference field is that the relative pedestals 16 of rectangle guide groove top plate 8 of oil film guide bearing 24 are by the fixedly connected benchmark of coupling bolt; E reference field and D pilot hole are the benchmark that the rectangle rail plate 10 relative table tops 22 of oil film guide bearing 24 are fixedlyed connected by coupling bolt.Because rail plate is moving component, during installation with easily generation relative displacements of table top 22.C pilot hole and D pilot hole are mainly used under the situation that a plurality of oil film static pressure bearings install simultaneously, cooperate backstay 19～21 to carry out the location and the installation of all oil film static pressure bearing integral body, make Installation and Debugging more convenient, and the maintaining process is simpler.Described backstay 19～21 length can be used not contour rod member, and as shown in Figure 7, by order from left to right, because the backstay on the left side is the highest, at first first row finishes the location when assembling in the present embodiment, next are followed successively by second row, the 3rd row positions.If with the shortest backstay is datum length, each row's length difference is best to add 20mm for table top 22 thickness.
When the quantity of oil film static pressure bearing more, and horizontal sliding table is when bearing bigger upsetting moment, to pedestal 16 and being connected of ground corresponding requirements being arranged also, its strength of joint should be able to bear upsetting moment at least, can improve pedestal 16 own wts by fill concrete in the pedestal 16, make its stability under the moment loading that topples greatly higher.When installation is filled with concrete pedestal 16, can increases air at pedestal 16 edges and support, to reduce the impact and the infringement of 16 pairs of grounds of big weight pedestal.
Oil film static pressure bearing in the present embodiment is formed 3 * 3 square formations arranged on pedestal 16 by five oil film loading bearings 23, two oil film guide bearings 24 and two oil-film floating bearings 25, but wherein not use in theory also be feasible to two oil-film floating bearings 25, sees shown in Figure 9.In order to improve the unsteady support effect of 16 pairs of table tops 22 of pedestal, the resistance of reducing friction uses two oil-film floating bearing 25 better effects if.
Embodiment 2: a kind of combination oil film static pressure bearing type horizontal sliding table
As shown in Figure 8, this horizontal sliding table is formed 2 * 3 arrays arranged on pedestal 16 by four oil film loading bearings 23 and two oil film guide bearings 24.Identical about relevant informations such as the structure of oil film loading bearing 23 and oil film guide bearing 24 and annexations with embodiment 1 content, no longer be repeated in this description here.
Embodiment 3: a kind of combination oil film static pressure bearing type horizontal sliding table
As shown in figure 10, this horizontal sliding table is formed 3 * 4 arrays arranged on pedestal 16 by six oil film loading bearings 23, four oil film guide bearings 24 and two oil-film floating bearings 25.Identical about relevant informations such as the structure of oil film loading bearing 23, oil film guide bearing 24 and oil-film floating bearing 25 and annexations with embodiment 1 content, no longer be repeated in this description here.
Embodiment 4: a kind of combination oil film static pressure bearing type horizontal sliding table
As shown in figure 11, this horizontal sliding table is formed 4 * 4 arrays arranged on pedestal 16 by eight oil film loading bearings 23, four oil film guide bearings 24 and four oil-film floating bearings 25.Identical about relevant informations such as the structure of oil film loading bearing 23, oil film guide bearing 24 and oil-film floating bearing 25 and annexations with embodiment 1 content, no longer be repeated in this description here.
Embodiment 5: a kind of combination oil film static pressure bearing type horizontal sliding table
As shown in figure 12, this horizontal sliding table is formed 4 * 5 arrays arranged on pedestal 16 by six oil film loading bearings 23, four oil film guide bearings 24 and ten oil-film floating bearings 25.Identical about relevant informations such as the structure of oil film loading bearing 23, oil film guide bearing 24 and oil-film floating bearing 25 and annexations with embodiment 1 content, no longer be repeated in this description here.
Embodiment 6: a kind of combination oil film static pressure bearing type horizontal sliding table
As shown in figure 13, this horizontal sliding table is formed 5 * 5 arrays arranged on pedestal 16 by 13 oil film loading bearings 23, six oil film guide bearings 24 and six oil-film floating bearings 25.Identical about relevant informations such as the structure of oil film loading bearing 23, oil film guide bearing 24 and oil-film floating bearing 25 and annexations with embodiment 1 content, no longer be repeated in this description here.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this; can not limit protection domain of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.At most only provide 5 * 5 arrays in an embodiment such as oil film static pressure bearing, in fact can be designed to 9 * 9 arrays as required, in addition more.
Claims (2)
1, a kind of combination oil film static pressure bearing type horizontal sliding table comprises table top and pedestal, it is characterized in that: be provided with one group of oil film loading bearing and one group of oil film guide bearing between table top and pedestal;
Described oil film loading bearing is that inverse-T-shaped "T"-shaped rail plate and xsect is that inverse-T-shaped "T"-shaped guide groove cooperation constitutes by an xsect, wherein, "T"-shaped rail plate two shoulders two surface levels of both sides are up and down takeed on two corresponding surface level clearance fit of both sides up and down with "T"-shaped guide groove two respectively, and two mating surfaces that are parallel to each other about forming, be provided with the static pressure oil film in the gap of these two mating surfaces, this static pressure oil film is provided by the oil supplying hole that is located on the "T"-shaped guide groove, forms the supporting construction of oil film pressure differential balance in vertical direction and upsetting moment direction with this; Described "T"-shaped rail plate is fixedlyed connected with table top as the moving component of bearing, and described "T"-shaped guide groove is fixedlyed connected with pedestal as the fuel feeding supporting base of bearing;
The rectangle guide groove that described oil film guide bearing is a rectangle by the xsect rectangle rail plate that is rectangle and xsect cooperates and constitutes, wherein, two vertical plane clearance fit that two vertical planes of the rectangle rail plate left and right sides are corresponding with the rectangle guide groove left and right sides respectively, and two mating surfaces that are parallel to each other about forming, be provided with the static pressure oil film in the gap of these two mating surfaces, this static pressure oil film is provided by the oil supplying hole that is located on the rectangle guide groove, forms the guide frame of oil film pressure differential balance in the horizontal direction with this; Described rectangle rail plate is fixedlyed connected with table top as the moving component of bearing, and described rectangle guide groove is fixedlyed connected with pedestal as the fuel feeding guide holder of bearing;
Described one group of oil film loading bearing in the pedestal horizontal plane with the pedestal center be before and after the basic point and about equal symmetric arrangement; Described one group of oil film guide bearing in the pedestal horizontal plane with the pedestal center be before and after the basic point and about equal symmetric arrangement; The glide direction of each oil film loading bearing and each oil film guide bearing all is parallel to the glide direction of table top, and each oil film loading bearing is arranged in the interior different parts of pedestal horizontal plane with each oil film guide bearing.
2, combination oil film static pressure bearing type horizontal sliding table according to claim 1, it is characterized in that: between table top and pedestal, also be provided with one group of oil-film floating bearing, the oil-film floating bearing is made up of the plane of bearing seat and table top bottom, the bearing seat top is provided with platform, platform is provided with oil groove, be provided with oil supply hole in the oil groove, bearing seat is fixedlyed connected with pedestal, platform cooperates with the plane clearance of table top bottom, and the mating surface of formation horizontal direction, be provided with the static pressure oil film in the gap of this mating surface, form the floating structure that oil film pressure supports in vertical direction with this; Described one group of oil-film floating bearing in the pedestal horizontal plane with the pedestal center be before and after the basic point and about equal symmetric arrangement, and each oil-film floating bearing, each oil film loading bearing and each oil film guide bearing are arranged in the different parts in the pedestal horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820216139XU CN201293704Y (en) | 2008-11-17 | 2008-11-17 | Combined oil film static pressure bearing type horizontal sliding table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820216139XU CN201293704Y (en) | 2008-11-17 | 2008-11-17 | Combined oil film static pressure bearing type horizontal sliding table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293704Y true CN201293704Y (en) | 2009-08-19 |
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ID=41007187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820216139XU Expired - Lifetime CN201293704Y (en) | 2008-11-17 | 2008-11-17 | Combined oil film static pressure bearing type horizontal sliding table |
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| Country | Link |
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| CN (1) | CN201293704Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767568A (en) * | 2012-06-29 | 2012-11-07 | 中国工程物理研究院总体工程研究所 | Large-bearing capacity compound static pressure oil film sliding table for centrifugal machine vibrating table |
-
2008
- 2008-11-17 CN CNU200820216139XU patent/CN201293704Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767568A (en) * | 2012-06-29 | 2012-11-07 | 中国工程物理研究院总体工程研究所 | Large-bearing capacity compound static pressure oil film sliding table for centrifugal machine vibrating table |
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