Roll shaft full-distribution type full-life support

Abstract

The invention discloses a roll shaft full-distribution type full-life support which comprises an upper seat plate, a lower seat plate and a rolling assembly arranged between the upper seat plate and the lower seat plate. Wherein the rolling assembly comprises a retaining frame, a plurality of rolling pieces are arranged in the retaining frame, the rolling pieces make contact with the upper seat plate and the lower seat plate respectively, the multiple rolling pieces are sequentially and fully distributed in the retaining frame, and the two ends of the retaining frame are each provided with a limiting structure used for making contact with the corresponding rolling piece. And the plurality of rolling pieces are restrained into an integral structure by the retaining frame. According to the rolling support, the rolling pieces fully distributed in the retaining frame are restrained into a whole through the retaining frame with the limiting structure, linkage and stability among the multiple rolling pieces are guaranteed, no weak structure exists, the service life of the rolling support is greatly prolonged, and meanwhile the bearing capacity of the rolling support is improved through the fully-distributed structural form.

Description

Technical Field

[0001] The invention belongs to the technical field of bridge bearings, and in particular relates to a roller-covered full-life bearing. Background Art

[0002] At present, there are many types of bridge bearings, such as spherical bearings, plate rubber bearings, pot rubber bearings, etc. The bridge bearings have two main functions. One is to effectively transfer the bridge load (dynamic load and static load) to the bridge piers, and the other is to overcome the beam bias caused by the displacement of the beam due to the restraining force, ambient temperature, concrete shrinkage or creep, and load action.

[0003] For rolling bearings, such as the Chinese invention patent CN217053019U, which discloses an anti-seismic bidirectional sliding basin bearing, the roller assembly can slide on the contact surface of the central slider, and can drive the central slider to move relatively under the action of strong external forces such as earthquakes, thereby reducing the relative displacement between the upper beam of the bridge and the lower pier. However, in order to ensure the stability of the roller assembly, the two ends of the roller assembly are rotatably connected to the lower seat plate. This structure causes the two ends of the roller assembly to form friction with the lower seat plate when rolling, thereby causing the roller assembly to be blocked by friction resistance. If the connection structure is cancelled and the roller assembly is directly placed in the lower seat plate, the roller shaft or ball of the roller assembly will be arranged in a disorderly manner, and they will rub and collide with each other during rolling, thereby affecting the smoothness and stability.

[0004] Another example is Chinese invention patent CN219315489U, which discloses a rolling support with a retaining frame, which has a retaining frame, and a plurality of stabilizing grooves with a through structure are formed on the retaining frame, and the rolling components are placed separately in the stabilizing grooves, each roller or ball can perform an independent rolling action, and the retaining frame connects multiple rollers or balls together, thereby ensuring the linkage between the multiple rollers or balls, and ensuring the stability of the rolling of the multiple rollers or balls. However, during long-term use, the structure between two adjacent stabilizing grooves is very weak and easy to break and damage, resulting in a scattered arrangement of the rollers or balls of the roller assembly, and when the structure between the stabilizing grooves is damaged, it is very difficult to repair. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a full-life roller bearing. The rolling of the rolling assembly drives the upper seat plate to move to adapt to the length change of the beam body due to thermal expansion and contraction. The retaining frame with a limiting structure is used to constrain the rolling parts distributed therein into one, thereby ensuring the linkage and stability between multiple rolling parts, and there is no weak structure, which greatly improves the service life of the rolling bearing. At the same time, the full-covered structural form also improves the bearing capacity of the rolling bearing.

[0006] The object of the present invention is achieved through the following technical solutions:

[0007] A roller-covered full-life bearing, comprising an upper seat plate, a lower seat plate, and a rolling assembly arranged between the upper seat plate and the lower seat plate;

[0008] Wherein, the rolling assembly includes a retaining frame, in which a plurality of rolling members are arranged, and the rolling members are respectively in contact with the upper seat plate and the lower seat plate, and the plurality of rolling members are sequentially distributed in the retaining frame, and both ends of the retaining frame have limiting structures for contacting the rolling members, so that the plurality of rolling members are constrained by the retaining frame into an integral structure.

[0009] In one embodiment, the rolling element is a roller shaft, and there is no gap between two adjacent roller shafts. The limiting structure of the retaining frame contacts the side wall of the roller shaft located at the end. Through this embodiment, the roller shaft is used as the rolling element, and the side of the roller shaft located at the end is respectively in contact with the limiting structure of the retaining frame and another roller shaft adjacent to it, thereby ensuring that multiple rolling elements can slide stably in the retaining frame.

[0010] In one embodiment, the retaining frame is a rectangular structure, which includes limit members at both ends and a frame for connecting the limit members. Through this embodiment, the restraint effect on multiple rolling parts is guaranteed, and it is also convenient to replace the limit members and / or the frame when the retaining frame fails.

[0011] In one embodiment, the limiting member is welded or bolted to the frame.

[0012] In one embodiment, a concave arc surface is provided on one side of the limiting members that are close to each other to form the limiting structure, and the arc surface is in contact with the side wall of the roller. Through this embodiment, a concave arc groove is provided on the limiting member to form an arc surface in contact with the side wall of the roller, thereby effectively restraining multiple rollers that are arranged in sequence without affecting the rolling of the roller.

[0013] In one embodiment, a V-shaped inclined groove is provided on one side of the limit members where they are close to each other to form the limit structure, and the surface of the V-shaped inclined groove is in contact with the side wall of the roller. Through this embodiment, a V-shaped inclined groove is provided on the limit member to form an inclined surface in contact with the side wall of the roller, thereby effectively restraining multiple rollers that are arranged in sequence without affecting the rolling of the roller.

[0014] In one embodiment, multiple groups of rolling assemblies are arranged between the upper seat plate and the lower seat plate, and the multiple groups of rolling assemblies are arranged in parallel, and the frames of two adjacent groups of rolling assemblies are fitted together. Through this embodiment, multiple groups of side-by-side rolling assemblies are arranged between the upper seat plate and the lower seat plate to jointly provide bearing capacity, shorten the length of a single roller shaft, improve the rolling effect of multiple roller shafts in the holding frame, reduce the bearing force of a single rolling assembly, and improve the service life of the rolling assembly.

[0015] In one embodiment, a blocking structure is further included, and the blocking structure is used to contact the end of the retaining frame away from the rolling element. Through this embodiment, the provided blocking structure limits the rolling assembly to prevent its excessive displacement and affect the safety of the support. When the end of the retaining frame away from the rolling element contacts the blocking structure, the overall displacement of the rolling assembly is limited to protect the safety of the support, but the rolling element therein can still roll to continue to consume external force.

[0016] In one embodiment, the blocking structure is a convex strip arranged at the end of the upper seat plate and / or the lower seat plate, the convex strip extends in a direction close to the rolling assembly and extends to be able to contact the retaining frame, and both sides of the retaining frame have at least one convex strip;

[0017] In one embodiment, the end of the lower seat plate is provided with two convex strips located on both sides of the retaining frame.

[0018] The beneficial effects of the present invention are:

[0019] (1) A retaining frame with a limiting structure is used to constrain the rolling elements distributed therein into one body, thereby ensuring the linkage and stability between the multiple rolling elements, and there is no weak structure, which greatly improves the service life of the rolling bearing. At the same time, the fully distributed structure also improves the bearing capacity of the rolling bearing;

[0020] (2) A plurality of parallel rolling assemblies are arranged between the upper seat plate and the lower seat plate to jointly provide bearing capacity, shorten the length of a single roller shaft, improve the rolling effect of the multiple roller shafts in the retaining frame, reduce the bearing force of a single rolling assembly, and increase the service life of the rolling assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings, wherein:

[0022] Figure 1 Shows a schematic diagram of the structure of the present invention;

[0023] Figure 2 A schematic diagram showing the structure of another embodiment of the present invention is shown;

[0024] Figure 3 Shows Figure 1 A schematic structural diagram of an embodiment of the cross section at AA;

[0025] Figure 4 Shows Figure 1 A schematic structural diagram of another embodiment of the cross section at AA;

[0026] Figure 5 Shows Figure 1 A structural schematic diagram of an embodiment of the invention is partially enlarged at B;

[0027] Figure 6 Shows Figure 1 A structural schematic diagram of another embodiment partially enlarged at B in the middle;

[0028] Figure 7 Shows Figure 3 A structural schematic diagram of an embodiment partially enlarged at C in the middle;

[0029] Figure 8 Shows Figure 3 A structural schematic diagram of another embodiment partially enlarged at C in the middle;

[0030] In the drawings, like reference numerals are used for like parts. The drawings are not necessarily to scale.

[0031] Reference numerals:

[0032] 1-upper seat plate, 2-lower seat plate, 3-rolling assembly, 4-roller shaft, 5-retaining frame, 6-limiting member, 7-frame, 8-arc surface, 9-bevel groove, 10-convex strip. DETAILED DESCRIPTION

[0033] The present invention will be further described below in conjunction with the accompanying drawings.

[0034] The present invention provides a roller full-coverage full-life support, such as Figure 1 As shown, it includes an upper seat plate 1, a lower seat plate 2 and a rolling assembly 3 arranged between the upper seat plate 1 and the lower seat plate 2;

[0035] The rolling assembly 3 includes a holding frame 5, in which a plurality of rolling elements are arranged, and the rolling elements are in contact with the upper seat plate 1 and the lower seat plate 2 respectively. The plurality of rolling elements are sequentially distributed in the holding frame 5, and both ends of the holding frame 5 have a limiting structure for contacting the rolling elements, so that the plurality of rolling elements are constrained by the holding frame 5 into an integral structure;

[0036] It should be noted that the retaining frame 5 with a limiting structure is used to constrain the rolling elements distributed therein into one body, so as to avoid the problem that the roller assembly is directly placed in the lower seat plate 2, resulting in the problem that the roller shaft or ball of the roller assembly is arranged in a disorderly manner, and the linkage and stability between the multiple rolling elements are ensured, and there is no weak structure, which greatly improves the service life of the rolling bearing. At the same time, the fully distributed structural form also improves the bearing capacity of the rolling bearing;

[0037] In one embodiment, Figure 1 As shown, the rolling element is a roller shaft 4, there is no gap between two adjacent roller shafts 4, and the limiting structure of the holding frame 5 contacts the side wall of the roller shaft 4 located at the end, that is, the roller shaft 4 is used as the rolling element, and the side of the roller shaft 4 located at the end is respectively in contact with the limiting structure of the holding frame 5 and another roller shaft 4 adjacent thereto, so as to ensure that multiple rolling elements can slide stably in the holding frame 5;

[0038] Furthermore, if Figure 3 As shown, the retaining frame 5 is a rectangular structure, which includes limit members 6 at both ends and a frame 7 for connecting the limit members 6, which ensures the restraining effect on multiple rolling elements and facilitates the replacement of the limit members 6 and / or the frame 7 when the retaining frame 5 fails;

[0039] In one embodiment, Figure 7 As shown, the limiting member 6 is welded to the frame 7.

[0040] In one embodiment, Figure 8 As shown, the limiter 6 is bolted to the frame 7, so that when the roller shaft 4 or the retaining frame fails or is damaged, the bolting structure can be disassembled and the retaining frame can be opened to replace the components;

[0041] In one embodiment, Figure 5 As shown, a concave arc surface 8 is provided on one side of the limiting member 6 close to each other to form a limiting structure, and the arc surface 8 contacts the side wall of the roller shaft 4, that is, a concave arc groove can be provided on the limiting member 6 to form the arc surface 8 contacting the side wall of the roller shaft 4, so as to effectively constrain a plurality of roller shafts 4 arranged in sequence without affecting the rolling of the roller shaft 4;

[0042] In one embodiment, Figure 6 As shown, a V-shaped inclined groove 9 is provided on one side of the limiting member 6 close to each other to form a limiting structure, and the surface of the V-shaped inclined groove 9 contacts the side wall of the roller shaft 4, that is, the V-shaped inclined groove 9 is provided on the limiting member 6 to form an inclined surface in contact with the side wall of the roller shaft 4, so as to effectively constrain a plurality of roller shafts 4 arranged in sequence without affecting the rolling of the roller shaft 4;

[0043] In one embodiment, Figure 4As shown, multiple groups of rolling components 3 are arranged between the upper seat plate 1 and the lower seat plate 2, and the multiple groups of rolling components 3 are arranged in parallel, and the frames 7 of two adjacent groups of rolling components 3 are fitted with each other, that is, multiple groups of rolling components 3 are arranged in parallel between the upper seat plate 1 and the lower seat plate 2, which jointly provide bearing capacity, and can shorten the length of a single roller shaft 4, improve the rolling effect of multiple roller shafts 4 in the holding frame 5, reduce the bearing force of a single rolling component 3, and improve the service life of the rolling component 3;

[0044] Furthermore, the rolling support further includes a blocking structure, which is used to contact the end of the holding frame 5 away from the rolling element, that is, the blocking structure is set to limit the rolling assembly 3 to prevent it from being displaced too much and affecting the safety of the support. When the end of the holding frame 5 away from the rolling element contacts the blocking structure, the overall displacement of the rolling assembly 3 is limited to protect the safety of the support, but the rolling element therein can still perform a rolling action to continue to consume the external force;

[0045] Specifically, the blocking structure is a convex strip 10 provided at the end of the upper seat plate 1 and / or the lower seat plate 2, the convex strip 10 extends toward the direction close to the rolling assembly 3 and extends to be able to contact the retaining frame 5, and both sides of the retaining frame 5 have at least one convex strip 10, that is, Figure 2 As shown, two convex strips 10 respectively located on both sides of the retaining frame 5 can be provided at the end of the lower seat plate 2, and two convex strips 10 respectively located on both sides of the retaining frame 5 can also be provided at the end of the upper seat plate 1, or one convex strip 10 is provided at each end of the upper seat plate 1 and the lower seat plate 2 away from each other, and the convex strip 10 extends toward the direction of the rolling assembly 3 and extends to be able to contact the retaining frame 5;

[0046] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. It should therefore be understood that many modifications may be made to the exemplary embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the various dependent claims and features described herein may be combined in a manner different from that described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be used in other described embodiments.

Claims

1. A roller full-coverage full-life bearing, characterized in that: It comprises an upper seat plate, a lower seat plate and a rolling assembly arranged between the upper seat plate and the lower seat plate; Wherein, the rolling assembly includes a retaining frame, in which a plurality of rolling members are arranged, and the rolling members are respectively in contact with the upper seat plate and the lower seat plate, and the plurality of rolling members are sequentially distributed in the retaining frame, and both ends of the retaining frame have limiting structures for contacting the rolling members, so that the plurality of rolling members are constrained by the retaining frame into an integral structure.

2. The roller full-coverage full-life support according to claim 1 is characterized in that: The rolling element is a roller shaft, and there is no gap between two adjacent roller shafts. The limiting structure of the retaining frame contacts the side wall of the roller shaft located at the end.

3. The roller full-coverage full-life support according to claim 2 is characterized in that: The retaining frame is a rectangular structure, which includes limiting members at both ends and a frame for connecting the limiting members.

4. The roller full-coverage full-life support according to claim 3 is characterized in that: The limiting member is welded or bolted to the frame.

5. The roller full-coverage full-life support according to claim 3 is characterized in that: A concave arc surface is provided on one side of the limiting members close to each other to form the limiting structure, and the arc surface contacts the side wall of the roller shaft.

6. The roller full-coverage full-life support according to claim 3, characterized in that: A V-shaped inclined groove is provided on one side of the limiting members close to each other to form the limiting structure, and the surface of the V-shaped inclined groove contacts the side wall of the roller shaft.

7. The roller full-coverage full-life support according to claim 3 is characterized in that: A plurality of rolling components are arranged between the upper seat plate and the lower seat plate. The plurality of rolling components are arranged in parallel, and the frames of two adjacent rolling components are fitted to each other.

8. The roller full-coverage full-life bearing according to claim 1 is characterized in that: A blocking structure is also included, and the blocking structure is used to contact an end of the retaining frame away from the rolling element.

9. The roller full-coverage full-life support according to claim 8, characterized in that: The blocking structure is a convex strip arranged at the end of the upper seat plate and / or the lower seat plate, and the convex strip extends in a direction close to the rolling assembly and extends to be able to contact the retaining frame. There is at least one convex strip on both sides of the retaining frame.

10. The roller full-coverage full-life support according to claim 9, characterized in that: The end of the lower seat plate is provided with two convex strips located on both sides of the retaining frame.

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