CN206815532U - Plane oriented sliding bearing - Google Patents

Abstract

Plane oriented sliding bearing, it is related to building element technical field, including horizontally disposed bottom guide track and upper slide plate, the upper slide plate is connected to bottom guide track and can slidably reciprocated along bottom guide track, more the first anchor poles for being used to anchor into structural beams are vertically arranged with above the upper slide plate, the bottom of first anchor pole is fixedly connected on upper slide plate, it is vertically arranged with shear key below the bottom guide track and more is used for the second anchor pole for anchoring into structural column, the top of the shear key and the second anchor pole is fixedly connected with bottom guide track.A bracket column while support is provided to the building element at left and right sides of expansion joint by setting the plane oriented sliding bearing to allow, and building structure will not be caused to produce crack because of temperature stress and be destroyed.

Description

Plane oriented sliding bearing

Technical field

Building element technical field is the utility model is related to, more particularly to a kind of plane oriented sliding bearing.

Background technology

Building is affected by thermal expansion and contraction because planar dimension is long, easily produces larger temperature in the structure Stress, to avoid, because temperature stress causes building structure to produce the destroyed situation in crack, to set in structure certain length position Seam merotomizes building, and the seam is temperature joint, also known as expansion joint.

Building element more than basis such as flooring, roof are divided into two independent sectors by expansion joint (except log cabin top), Building or structures are made to do horizontal extension along length direction.Support column is usually required in the both sides at expansion joint to come to corresponding building Structural beams below face and roof be supported (pillar on the left of expansion joint is pointed to building element on the left of it and provides support, Pillar on the right side of expansion joint is pointed to building element on the right side of it and provides support), during practice of construction, structural column and structural beams are together Pour, after concrete setting, to be rigidly connected between post beam, because pillar has deformable characteristic, therefore structures can be met The demand of horizontal extension, be not in because temperature stress causes building structure to produce the destroyed situation in crack.

Bracket column is once commonly used on traditional timber buildings, is generally used for the eaves portion point that gives support to a roof out.With society Can development, bracket has been rarely employed on the civil buildings of steel and concrete structure, is presently mainly some industrial premises in order to will row Hanging beam is shelved on shaft, can use the pillar with bracket structure.If bracket column can be utilized to realize at left and right sides of expansion joint Building element be supported (i.e. a bracket column while provide support to the building structure at left and right sides of expansion joint), can save Fall the pillar of half quantity, this either effectively still reduces construction cost for improving building using space, all with pole Big realistic meaning.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of plane oriented sliding branch for being used to support building element Seat, by setting the plane oriented sliding bearing that a bracket column can be allowed to be carried to the building element at left and right sides of expansion joint simultaneously For support, and building structure will not be caused to produce crack because of temperature stress and be destroyed.

In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：A kind of plane oriented sliding bearing, Including horizontally disposed bottom guide track and upper slide plate, the upper slide plate is connected to bottom guide track and can be along bottom guide track back and forth Slide, more the first anchor poles for being used to anchor into structural beams are vertically arranged with above the upper slide plate, first anchor pole Bottom is fixedly connected on upper slide plate, and shear key is vertically arranged with below the bottom guide track and more are used to anchor into structural column In the second anchor pole, the top of the shear key and the second anchor pole is fixedly connected with bottom guide track.

Wherein, the bottom guide track includes base and support member, and the support member includes at least two and is used to support top The support bar of slide plate, the support bar parallel interval are arranged on base, and the left and right ends of the upper slide plate are first down past again Inner side is bent to form chute, and side is bent to form for preventing upper slide plate from tumbling the spacing of derailing outward for the top of the support bar Anticreep edge, the spacing anticreep is along insertion chute.

Further, the support member also includes the transverse ribs that at least two parallel intervals are set, the transverse ribs with Support bar intersects vertically to form the grid chamber of " mouth " font, and the transverse ribs provide branch together with support bar to upper slide plate Support.

Further, the support member also includes the longitudinal rib being located in grid chamber, the longitudinal rib and support bar It is arranged in parallel and provides support to upper slide plate together with support bar and transverse ribs.

Preferably, the base is provided with a corral plate, and the coaming plate is looped around the outside of support bar and transverse ribs, institute State coaming plate to be spaced a distance with support bar and transverse ribs, so as to form periphery in the outside of the support bar and transverse ribs Shoe cream room, the height of the coaming plate is more than support bar and the height of transverse ribs and its top extends to the outside of upper slide plate, Lubricating oil is filled in the peripheral shoe cream room and grid chamber.

Further, the sealing for preventing its internal lubrication oil from overflowing outward is enclosed above the peripheral shoe cream room provided with one Part, the medial extremity of the seal is fixedly connected on upper slide plate, outboard end is fixedly connected on coaming plate, and the seal is using can The elastomeric material of stretching is made.

Further, the peripheral shoe cream room is connected with grid chamber by pipeline, and the pipeline is provided with check valve, described Lubricating oil in check valve restriction conduit can only flow to grid chamber.

More preferred, the grid intracavitary is vertically arranged with oil pressing plate, and the top of the oil pressing plate is fixedly connected on Portion's slide plate, the upper slide plate along bottom guide track slidably reciprocate when, the oil pressing plate correspondingly moves back and forth in grid intracavitary, institute To state oil pressing plate and grid chamber is separated into first chamber and second chamber, the first chamber is located on front side of oil pressing plate, and described second Chamber is located on rear side of oil pressing plate, and the first chamber is connected with peripheral shoe cream room by the first pipeline, the second chamber with outside Enclose shoe cream room by second pipe to be connected, first pipeline is provided with the first check valve, and the second pipe is provided with second Check valve, the lubricating oil that first check valve is limited in the first pipeline can only flow to first chamber, the second check valve limit Lubricating oil in second pipe processed can only flow to second chamber, and the oil pressing plate is provided with connection first chamber and second chamber Pressure release passage, the pressure release passage are provided with relief valve.

Wherein, the surface roughness Ra value at the position contacted on the upper slide plate with support bar and transverse ribs is less than 0.20, the surface roughness Ra value at the position contacted with upper slide plate on the support bar and transverse ribs is more than 0.40 and is less than 3.20。

Wherein, the upper slide plate and bottom guide track are made of Q345 steel, first anchor pole and the second anchor pole Quantity is 6.

Plane oriented sliding bearing provided by the utility model can be applied on bracket structure post in the following way：First The positioning of plane oriented sliding bearing is positioned over and poured in mould, and ensures that it is located at the side at expansion joint.For ease of stating, under Example that face is positioned on the right side of expansion joint with plane oriented sliding bearing illustrates.

For plane oriented sliding bearing in the case of of being fixed on the right side of expansion joint, it is big that casting process can substantially be divided into following two Step：The first step, bracket structure post is poured, can be by structural beams (including the horizontal stroke on the left of expansion joint while pouring bracket structure post To beam and longitudinal beam) completion is poured in the lump, after concrete setting, the second anchor pole and shear key of plane oriented sliding bearing are mixed Solidifying soil parcel, now the second anchor pole is firmly anchored into structural column；Second step, poured on the upper slide plate of plane oriented sliding bearing The structural beams on the right side of expansion joint are built, after concrete setting, the structural beams on the right side of expansion joint are pressed on upper slide plate, while the first anchor Bar is firmly anchored into structural beams.For tier building, when above-mentioned second step is carried out, the second layer can also be poured simultaneously Bracket structure post (mode and the foregoing first step for pouring second layer bracket structure post are essentially identical) is, it is necessary to illustrate, more In layer building, plane oriented sliding bearing should be placed in that side that bracket structure is leaned at expansion joint.

After above-mentioned plane oriented sliding bearing is set on bracket column, a bracket column is realized while to expansion joint The building element of the left and right sides provides support, so as to eliminate the pillar of half quantity, after pillar quantity halves, greatly improved Building effectively uses space, reduces construction cost.Flooring because temperature effect expand with heat and contract with cold when, the temperature on the left of expansion joint should Power is released by pillar deformation, and the temperature stress of flooring pushes upper slide plate by structural beams and led in bottom on the right side of expansion joint Slided on rail to discharge, so as to avoid because temperature stress causes building structure to produce the destroyed situation in crack.

Brief description of the drawings

Fig. 1 is the overall structure diagram of embodiment midplane oriented sliding bearing of the present utility model；

Fig. 2 is the exploded view of plane oriented sliding bearing shown in Fig. 1；

Fig. 3 is the first structure top view of bottom guide track in embodiment illustrated in fig. 1；

Fig. 4 is second of structure top view of bottom guide track in embodiment illustrated in fig. 1；

Fig. 5 is the third structure top view of bottom guide track in embodiment illustrated in fig. 1；

Fig. 6 is the overlooking the structure diagram of embodiment illustrated in fig. 1 middle and upper part slide plate；

Fig. 7 is the present invention looks up structural representation of bottom guide track in embodiment illustrated in fig. 1；

Fig. 8 is the positive structure schematic of plane oriented sliding bearing shown in application drawing 1 on bracket column；

Fig. 9 is the overlooking the structure diagram of plane oriented sliding bearing shown in application drawing 1 on bracket column；

In figure：

1 --- bottom guide track 2 --- upper slide plate 3 --- first anchor pole

4 --- shear key 5 --- the second anchor pole 6 --- seals

7 --- oil pressing plate 9 --- pressure release passage 1a --- bases

1b --- support bar 1c --- transverse ribs 1d --- grid chambers

1e --- longitudinal rib 1f --- coaming plate 1g --- peripheral shoe cream rooms

2a --- chute 8a --- the first pipeline 8b --- second pipes

--- spacing anticreep is along 1d1 --- first chamber 1d2 --- second chamber by 1b1

A --- oriented sliding bearing B --- transverse beam C --- longitudinal beams

D --- structural column E --- expansion joint.

Embodiment

In description of the present utility model, it is to be understood that term " on ", " under ", " top ", " bottom ", " interior ", " outer ", The orientation or position relationship of the instructions such as " being higher than ", " being less than " are all based on orientation shown in the drawings or position relationship, so state Merely to allow description of the present utility model more simply, conveniently, rather than instruction or hint institute finger must be with specific Orientation, with specific azimuth configuration and operation.

In addition, in the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " company Connect ", the term such as " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, Concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

Utility model design is more fully understood from for the ease of those skilled in the art, with reference to embodiment to this practicality It is new to be further described.

As shown in Fig. 1-3,6-7, a kind of plane oriented sliding bearing, including horizontally disposed bottom guide track 1 and top are slided Plate 2, upper slide plate 2 are connected to bottom guide track 1 and can slidably reciprocated along bottom guide track 1, and the top of upper slide plate 2 is vertically arranged with more Root is used for the first anchor pole 3 for anchoring into structural beams, and the bottom of the first anchor pole 3 is fixedly connected on upper slide plate 2, under bottom guide track 1 Side is vertically arranged with the second anchor pole 5 that shear key 4 and more are used to anchor into structural column, the top of the anchor pole 5 of shear key 4 and second End is fixedly connected with bottom guide track 1.

Above-mentioned plane oriented sliding bearing can be applied on bracket structure post in the following way：First by oriented sliding branch Seat A positioning, which is positioned over, to be poured in mould, and ensures that it is located at expansion joint E side.Fig. 8 and 9 shows and set on bracket column Oriented sliding bearing A situation, specifically, in figs. 8 and 9, oriented sliding bearing A is positioned at expansion joint E right side.

For oriented sliding bearing A in the case ofs of being fixed on the right side of the E of expansion joint, it is big that casting process can substantially be divided into following two Step：The first step, pour the structural column D with bracket, while pouring structure post D can by the left of the E of expansion joint structural beams (including Transverse beam B and longitudinal beam C) completion is poured in the lump, after concrete setting, oriented sliding bearing A the second anchor pole 5 and shear key 4 are wrapped up by concrete, and now the second anchor pole 5 is firmly anchored into structural column D；Second step, the upper slide plate in oriented sliding bearing A The structural beams on the right side of the E of expansion joint are poured on 2, after concrete setting, the structural beams on the right side of the E of expansion joint are pressed on upper slide plate 2, together When the first anchor pole 3 firmly anchor into structural beams.For tier building, when above-mentioned second step is carried out, can also pour simultaneously The structural column D (mode and the foregoing first step for pouring second layer structural column D are essentially identical) of the second layer is built, it is necessary to illustrate, In tier building, oriented sliding bearing A should be placed in that side that expansion joint E leans on bracket structure as shown in Figure 8.

In figs. 8 and 9, after by setting above-mentioned oriented sliding bearing A on bracket column, a bracket column is realized simultaneously Support is provided to the building element at left and right sides of the E of expansion joint, so as to eliminate the pillar of half quantity, after pillar quantity halves, Building greatly improved and effectively use space, reduce construction cost.Flooring because temperature effect expand with heat and contract with cold when, expansion joint E The temperature stress in left side is released by pillar deformation, and the temperature stress of flooring is push by structural beams on the right side of the E of expansion joint Portion's slide plate 2 is slided on bottom guide track 1 to discharge, and is destroyed so as to avoid because temperature stress causes building structure to produce crack Situation.

In the above-described embodiments, bottom guide track 1 includes base 1a and support member, and support member includes at least two and is used to support The support bar 1b of upper slide plate 2, support bar 1b parallel intervals are arranged on base 1a, and the left and right ends of upper slide plate 2 are first down Side is bent to form chute 2a inside again, and side is bent to form for preventing upper slide plate 2 from tumbling derailing outward for support bar 1b top Spacing anticreep along 1b1, spacing anticreep is inserted along chute 2a along 1b1.

As shown in Fig. 3-5, support member also includes the transverse ribs 1c that at least two parallel intervals are set, transverse ribs 1c with Support bar 1b is intersected vertically to form the grid chamber 1d of " mouth " font, and transverse ribs 1c is carried together with support bar 1b to upper slide plate 2 For support.

It should be noted that Fig. 3-5 shows the bottom guide track 1 of three kinds of different structures.In Fig. 3 and 5, support member is also Including the longitudinal rib 1e in grid chamber 1d, longitudinal rib 1e and support bar 1b be arranged in parallel and with support bar 1b and horizontal stroke Support is provided to rib 1c to upper slide plate 2 together.

In figures 4 and 5, base 1a is provided with a corral plate 1f, and with reference to shown in Fig. 1 and 2, coaming plate 1f is looped around support bar 1b And transverse ribs 1c outside, coaming plate 1f are spaced a distance with support bar 1b and cross rib 1c, so as in support bar 1b and horizontal stroke Form peripheral shoe cream room 1g to rib 1c outside, coaming plate 1f height of the height more than support bar 1b and transverse ribs 1c and Its top extends to the outside of upper slide plate 2, and lubricating oil is filled in peripheral shoe cream room 1g and grid chamber 1d.Toward peripheral oil storage Being filled in chamber 1g and grid chamber 1d, which can allow upper slide plate 2 to be infiltrated with 1 all contacts site of bottom guide track after lubricating oil, is moistening In lubricating oil, so as to obtain splendid antirust and lubricant effect.

Further, as shown in Fig. 1 and 2, enclosed above peripheral shoe cream room 1g provided with one for preventing that its internal lubrication oil is past The seal 6 of outer spilling, the medial extremity of seal 6 is fixedly connected on upper slide plate 2, outboard end is fixedly connected on coaming plate 1f, close Sealing 6 is made of stretchable elastomeric material.By setting seal 6 above peripheral shoe cream room 1g, can both avoid outer Dust in portion's environment, which is fallen into, pollutes lubricating oil in lubricating oil, can prevent lubricating oil from overflowing again, what is particularly worth mentioning is that, it is close Sealing 6 is made of stretchable elastomeric material, can be elongated with the slip of upper slide plate 2, external so as to remain Shoe cream room 1g sealing is enclosed, after 2 return of upper slide plate, seal 6 can restore to the original state under natural resiliency effect.

Further, in the structure shown in Figure 4 and 5, peripheral shoe cream room 1g is connected with grid chamber 1d by pipeline, pipe Road is provided with check valve, and the lubricating oil in check valve restriction conduit can only flow to grid chamber 1d.As it was previously stated, coaming plate 1f height More than the outside that support bar 1b and transverse ribs 1c height and its top extend to upper slide plate 2, and upper slide plate 2 is pressed in On support bar 1b and transverse ribs 1c, that is to say, that after filling lubricating oil in peripheral shoe cream room 1g and grid chamber 1d, peripheral oil storage Lubricating oil liquid level in chamber 1g can be higher than the lubricating oil liquid level in grid chamber 1d, when the lubricating oil in grid chamber 1d is gradually consumed After causing liquid level to decline, the lubricating oil in peripheral shoe cream room 1g can only pass through the bottom of upper slide plate 2 and support bar 1b and cross rib (space, such space are actually to certainly exist to microscopic spaces between bar 1c caused by foozle and cutter trade ) infiltrate through in grid chamber 1d, and set pipeline that peripheral shoe cream room 1g is connected with grid chamber 1d and set on pipeline unidirectional After valve, the lubricating oil can in peripheral shoe cream room 1g is flowed into grid chamber 1d by pipeline and through check valve in time, so as to protect Card upper slide plate 2 is infiltrated in lubricating oil with 1 all contacts site of bottom guide track (is directed to the situation of lubricants capacity, if peripheral Lubricating oil liquid level in shoe cream room 1g and grid chamber 1d is below support bar 1b and transverse ribs 1c top end face, then can not protect Card upper slide plate 2 is infiltrated in lubricating oil with 1 all contacts site of bottom guide track).

Preferably, as shown in Fig. 1 and 2, oil pressing plate 7 is vertically arranged with grid chamber 1d (it should be noted that being directed to Fig. 5 The bottom guide track 1 of shown structure, due to being provided with longitudinal rib 1e in grid chamber 1d, oil pressing plate 7 should use as illustrated in fig. 1 and 2 Two-piece type structure, for the bottom guide track 1 of structure shown in Fig. 4, oil pressing plate 7 is using the structure of single piece type, practical application When, oil pressing plate 7 makees accommodation according to the concrete condition in grid chamber 1d), the top of oil pressing plate 7 is fixedly connected on Portion's slide plate 2, upper slide plate 2 along bottom guide track 1 slidably reciprocate when, oil pressing plate 7 correspondingly moves back and forth in grid chamber 1d, force feed Grid chamber 1d is separated into first chamber 1d1 and second chamber 1d2 by plate 7, and first chamber 1d1 is located on front side of oil pressing plate 7, and second Chamber 1d2 is located at the rear side of oil pressing plate 7, and first chamber 1d1 is connected with peripheral shoe cream room 1g by the first pipeline 8a, second chamber 1d2 is connected with peripheral shoe cream room by second pipe 8b, and the first pipeline 8a is provided with the first check valve, and second pipe 8b is provided with Second check valve, the lubricating oil that the first check valve is limited in the first pipeline 8a can only flow to first chamber 1d1, the second check valve limit Lubricating oil in second pipe 8b processed can only flow to second chamber 1d2, and oil pressing plate 7 is provided with connection first chamber 1d1 and second Chamber 1d2 pressure release passage 9, pressure release passage 9 are provided with relief valve.In the preferred embodiment, when upper slide plate 2 is past During front slide, oil pressing plate 7 is corresponding to be moved along in grid chamber 1d, and first chamber 1d1 spaces diminish, in first chamber 1d1 Oil pressure raises, and under pressure, the lubricating oil in first chamber 1d1 can more fully enter the bottom of upper slide plate 2 and branch In space between stay 1b and transverse ribs 1c, then it flow in peripheral shoe cream room 1g that (lubricating oil in peripheral shoe cream room 1g is again Enter first chamber 1d1 and second chamber 1d2 from the first pipeline 8a and the first pipeline 8b), it can so better ensure that top Lubricity between slide plate 2 and support member, when pressure exceedes preset value, the lubricating oil in first chamber 1d1 can be through pressure release passage 9 Into in second chamber 1d2 so that the pressure at both sides of oil pressing plate 7 balances, so as to avoid excessively hindering upper slide plate 2 because oil pressure is too high Toward the situation of front slide.When upper slide plate 2 slides backward, oil pressing plate 7 is corresponding to be moved backward in grid chamber 1d, is at this moment produced Situation it is similar when being moved along with it, will not be repeated here.

In the aforementioned embodiment, the rough surface on upper slide plate 2 with support bar 1b and transverse ribs the 1c position contacted Ra values are spent less than 0.20, and the surface roughness Ra value at the position contacted on support bar 1b and transverse ribs 1c with upper slide plate 2 is big In 0.40 and less than 3.20.The roughness value at the position contacted on support bar 1b and transverse ribs 1c with upper slide plate 2 is bigger (entering oil-gap between two contact surfaces equivalent in a disguised form adding) can allow lubricating oil preferably enter two contact surfaces it Between gap in and hold support bar 1b and transverse ribs 1c top end faces be present, so as to better ensure that lubricant effect.

Finally, upper slide plate 2 and bottom guide track 1 are made of Q345 steel, as shown in Figures 6 and 7, the first anchor pole 3 and The quantity of two anchor poles 5 is 6.

Above-described embodiment is the preferable implementation of the utility model, and in addition, the utility model can be with other sides Formula is realized, any on the premise of the technical program design is not departed from obviously to replace in protection model of the present utility model Within enclosing.

In order to allow those of ordinary skill in the art more easily understand the utility model relative to prior art improvement it Place, some accompanying drawings of the present utility model and description have been simplified, and for the sake of clarity, present specification is omitted one A little other elements, those of ordinary skill in the art should be aware that these elements omitted also may make up in of the present utility model Hold.

Claims (10)

1. plane oriented sliding bearing, including horizontally disposed bottom guide track (1) and upper slide plate (2), the upper slide plate (2) It is connected to bottom guide track (1) and can be slidably reciprocated along bottom guide track (1), more is vertically arranged with above the upper slide plate (2) For anchoring into the first anchor pole (3) in structural beams, the bottom of first anchor pole (3) is fixedly connected on upper slide plate (2), described Shear key (4) and more the second anchor poles (5) for anchoring into structural column are vertically arranged with below bottom guide track (1), it is described The top of shear key (4) and the second anchor pole (5) is fixedly connected with bottom guide track (1).

2. plane oriented sliding bearing according to claim 1, it is characterised in that：The bottom guide track (1) includes base (1a) and support member, the support member include at least two support bars (1b) for being used to support upper slide plate (2), the support bar (1b) parallel interval is arranged on base (1a), and first down side is bent to form inside again for the left and right ends of the upper slide plate (2) Chute (2a), side is bent to form for preventing upper slide plate (2) from tumbling the spacing of derailing outward for the top of the support bar (1b) Anticreep is along (1b1), and the spacing anticreep is along (1b1) insertion chute (2a).

3. plane oriented sliding bearing according to claim 2, it is characterised in that：The support member also includes at least two The transverse ribs (1c) that parallel interval is set, the transverse ribs (1c) intersect vertically to form " mouth " font with support bar (1b) Grid chamber (1d), the transverse ribs (1c) provide support together with support bar (1b) to upper slide plate (2).

4. plane oriented sliding bearing according to claim 3, it is characterised in that：The support member also includes being located at grid Longitudinal rib (1e) in chamber (1d), the longitudinal rib (1e) and support bar (1b) be arranged in parallel and with support bar (1b) and Transverse ribs (1c) provide support to upper slide plate (2) together.

5. plane oriented sliding bearing according to claim 3, it is characterised in that：The base (1a) is provided with a corral Plate (1f), the coaming plate (1f) are looped around the outside of support bar (1b) and transverse ribs (1c), the coaming plate (1f) and support bar (1b) and transverse ribs (1c) are spaced a distance, outer so as to be formed in the outside of the support bar (1b) and transverse ribs (1c) Shoe cream room (1g) is enclosed, the height of the coaming plate (1f) is more than support bar (1b) and the height of transverse ribs (1c) and its top extends To the outside of upper slide plate (2), lubricating oil is filled in the peripheral shoe cream room (1g) and grid chamber (1d).

6. plane oriented sliding bearing according to claim 5, it is characterised in that：Set above the peripheral shoe cream room (1g) There is a circle to be used for the seal (6) for preventing its internal lubrication oil from overflowing outward, the medial extremity of the seal (6) is fixedly connected on Upper slide plate (2), outboard end are fixedly connected on coaming plate (1f), and the seal (6) is made of stretchable elastomeric material.

7. plane oriented sliding bearing according to claim 6, it is characterised in that：The peripheral shoe cream room (1g) and grid Chamber (1d) is connected by pipeline, and the pipeline is provided with check valve, and the lubricating oil in the check valve restriction conduit can only flow to Grid chamber (1d).

8. plane oriented sliding bearing according to claim 7, it is characterised in that：It is vertically arranged in the grid chamber (1d) There is oil pressing plate (7), the top of the oil pressing plate (7) is fixedly connected on upper slide plate (2), and the upper slide plate (2) is led along bottom When rail (1) slidably reciprocates, the oil pressing plate (7) correspondingly moves back and forth in the grid chamber (1d), and the oil pressing plate (7) is by grid Chamber (1d) is separated into first chamber (1d1) and second chamber (1d2), and the first chamber (1d1) is located on front side of oil pressing plate (7), The second chamber (1d2) is located on rear side of oil pressing plate (7), and the first chamber (1d1) passes through first with peripheral shoe cream room (1g) Pipeline (8a) is connected, and the second chamber (1d2) is connected with peripheral shoe cream room by second pipe (8b), first pipeline (8a) is provided with the first check valve, and the second pipe (8b) is provided with the second check valve, the first check valve limitation first Lubricating oil in pipeline (8a) can only flow to first chamber (1d1), and second check valve limits the profit in second pipe (8b) Lubricating oil can only flow to second chamber (1d2), and the oil pressing plate (7) is provided with connection first chamber (1d1) and second chamber (1d2) Pressure release passage (9), the pressure release passage (9) is provided with relief valve.

9. plane oriented sliding bearing according to claim 8, it is characterised in that：On the upper slide plate (2) with support The surface roughness Ra value at the position of bar (1b) and transverse ribs (1c) contact is less than 0.20, the support bar (1b) and cross rib The surface roughness Ra value at the position contacted on bar (1c) with upper slide plate (2) is more than 0.40 and less than 3.20.

10. plane oriented sliding bearing according to claim 1, it is characterised in that：The upper slide plate (2) and bottom are led Rail (1) is made of Q345 steel, and the quantity of first anchor pole (3) and the second anchor pole (5) is 6.