Roll shaft full-distribution type full-life support

Abstract

The utility model discloses a roll shaft full-distribution type full-service-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 parts fully distributed in the retaining frame are restrained into a whole through the retaining frame with the limiting structure, linkage and stability among the rolling parts are guaranteed, a weak structure does not exist, 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 utility model belongs to the technical field of bridge supports, and in particular relates to a roller-covered full-life support. Background Art

[0002] Currently, there are many types of bridge bearings, such as spherical bearings, plate rubber bearings, and pot rubber bearings. Bridge bearings have two main functions: one is to effectively transfer bridge loads (dynamic and static loads) to the bridge piers; the other is to overcome the beam body displacement caused by the restraining force, ambient temperature, concrete shrinkage or creep, and load effects.

[0003] As for rolling bearings, for example, Chinese utility model patent CN217053019U discloses an anti-seismic bidirectional sliding basin-type bearing, in which a roller assembly can slide on the contact surface of a central slider and drive the central slider to move relative to each other under the action of strong external forces such as earthquakes, thereby reducing the relative displacement between the upper beam and the lower pier of the bridge. 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 friction between the two ends of the roller assembly and the lower seat plate when the roller assembly rolls, thereby causing the roller assembly to be blocked by friction resistance. If the connection structure is eliminated and the roller assembly is directly placed in the lower seat plate, the roller shafts or balls 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 utility model patent CN219315489U, which discloses a rolling support with a retaining frame. The retaining frame has a plurality of stabilizing grooves with a through structure, 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 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 easily broken and damaged, resulting in the rollers or balls of the roller assembly being arranged in a scattered manner. Moreover, when the structure between the stabilizing grooves is damaged, it is very difficult to repair. Utility Model Content

[0005] The purpose of this utility model is to overcome the defects of the existing technology and provide a full-life roller bearing. Through the rolling of the rolling assembly, the upper seat plate is driven 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, 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-coverage structural form also improves the bearing capacity of the rolling bearing.

[0006] The purpose of this utility model is achieved through the following technical solutions:

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

[0008] In which, the rolling assembly includes a retaining frame, and a plurality of rolling members are arranged in the retaining frame. The rolling members are in contact with the upper seat plate and the lower seat plate respectively. 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, 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 limiting parts at both ends and a frame for connecting the limiting parts. Through this embodiment, the restraining effect on multiple rolling parts is guaranteed, and it is also convenient to replace the limiting parts 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 contacts the side wall of the roller. Through this embodiment, a concave arc groove is provided on the limiting member to form an arc surface that contacts the side wall of the roller, which effectively restrains 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 limiting members where they are 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. Through this embodiment, a V-shaped inclined groove is provided on the limiting 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, which 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, which 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 it from being displaced too much and affecting 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 ridge provided at the end of the upper seat plate and / or the lower seat plate, the ridge extending in a direction close to the rolling assembly and extending to be able to contact the retaining frame, and at least one ridge is provided on both sides of the retaining frame;

[0017] In one embodiment, the end portion of the lower seat plate is provided with two protruding 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 eliminating the need for weak structures. This greatly increases the service life of the rolling bearing, and the fully distributed structure also increases the bearing capacity of the rolling bearing.

[0020] (2) Multiple parallel rolling assemblies are set 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 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 with reference to the accompanying drawings.

[0022] in:

[0023] Figure 1 Shows a schematic structural diagram of the utility model;

[0024] Figure 2Shows a structural schematic diagram of another embodiment of the utility model;

[0025] Figure 3 Shows Figure 1 A schematic structural diagram of an embodiment of the cross section at AA;

[0026] Figure 4 Shows Figure 1 A schematic structural diagram of another embodiment of the cross section at AA;

[0027] Figure 5 Shows Figure 1 A schematic structural diagram of an embodiment of the invention is shown in FIG.

[0028] Figure 6 Shows Figure 1 A structural schematic diagram of another embodiment of the invention is shown with a partial enlargement at B;

[0029] Figure 7 Shows Figure 3 A schematic structural diagram of an embodiment of the invention is shown in FIG.

[0030] Figure 8 Shows Figure 3 A structural schematic diagram of another embodiment partially enlarged at point C;

[0031] In the drawings, like reference numerals are used for like parts, but the drawings are not necessarily true to scale.

[0032] Reference numerals:

[0033] 1-upper seat plate, 2-lower seat plate, 3-rolling assembly, 4-roller shaft, 5-holding frame, 6-limiting piece, 7-frame, 8-arc surface, 9-bevel groove, 10-convex strip. DETAILED DESCRIPTION

[0034] The present invention will be further described below with reference to the accompanying drawings.

[0035] The utility model provides a roller 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;

[0036] The rolling assembly 3 includes a retaining frame 5, in which a plurality of rolling elements are disposed. 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 within the retaining frame 5. Both ends of the retaining frame 5 have a limiting structure for contacting the rolling elements, so that the plurality of rolling elements are constrained by the retaining frame 5 into an integral structure.

[0037] 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, thereby avoiding the problem of placing the roller assembly directly in the lower seat plate 2, which would cause the rollers or balls of the roller assembly to be arranged in a disorderly manner. The linkage and stability between the multiple rolling elements are ensured, and there is no weak structure, which greatly increases the service life of the rolling support. At the same time, the fully distributed structure also improves the bearing capacity of the rolling support.

[0038] In one embodiment, Figure 1 As shown, the rolling elements are rollers 4, with no gap between two adjacent rollers 4, and the limiting structure of the retaining frame 5 contacts the side wall of the roller 4 at the end. That is, the roller 4 is used as the rolling element, and the side of the roller 4 at the end contacts the limiting structure of the retaining frame 5 and the other adjacent roller 4, respectively, to ensure that the multiple rolling elements can slide stably in the retaining frame 5;

[0039] 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, ensuring the restraining effect on multiple rolling elements and facilitating the replacement of the limit members 6 and / or the frame 7 when the retaining frame 5 fails;

[0040] In one embodiment, Figure 7 As shown, the limiting member 6 is welded to the frame 7.

[0041] In one embodiment, Figure 8 As shown, the limiter 6 is bolted to the frame 7, which makes it easy to remove the bolting structure and open the cage to replace the components when the roller 4 or the cage fails or is damaged;

[0042] In one embodiment, Figure 5 As shown, a concave arc surface 8 is provided on one side of the limiting member 6 that is close to each other to form a limiting structure. The arc surface 8 contacts the side wall of the roller 4. That is, a concave arc groove can be provided on the limiting member 6 to form the arc surface 8 that contacts the side wall of the roller 4. This effectively constrains multiple rollers 4 that are arranged in sequence without affecting the rolling of the roller 4.

[0043] In one embodiment, Figure 6 As shown, a V-shaped inclined groove 9 is provided on one side of the limiting member 6 that is close to each other to form a limiting structure. 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 that contacts the side wall of the roller shaft 4. This effectively constrains multiple roller shafts 4 that are arranged in sequence without affecting the rolling of the roller shaft 4.

[0044] In one embodiment, Figure 4As shown, multiple groups of rolling assemblies 3 are provided between the upper seat plate 1 and the lower seat plate 2. The multiple groups of rolling assemblies 3 are arranged in parallel, and the frames 7 of two adjacent groups of rolling assemblies 3 are in contact with each other, that is, multiple groups of rolling assemblies 3 are arranged side by side between the upper seat plate 1 and the lower seat plate 2, which jointly provide bearing capacity, 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 assembly 3, and increase the service life of the rolling assembly 3;

[0045] Furthermore, the rolling support further includes a blocking structure, which is used to contact the end of the retaining frame 5 away from the rolling element. That is, the blocking structure is provided to limit the rolling assembly 3 to prevent it from excessive displacement, which would affect the safety of the support. When the end of the retaining frame 5 away from the rolling element contacts the blocking structure, the overall displacement of the rolling assembly 3 is limited, protecting the safety of the support, but the rolling element therein can still roll to continue to consume external forces.

[0046] Specifically, the blocking structure is a ridge 10 provided at the end of the upper seat plate 1 and / or the lower seat plate 2. The ridge 10 extends toward the direction close to the rolling assembly 3 and extends to be able to contact the retaining frame 5. There is at least one ridge 10 on both sides of the retaining frame 5, that is, Figure 2 As shown, two ridges 10 can be provided at the end of the lower seat plate 2, respectively located on both sides of the retaining frame 5. Two ridges 10 can also be provided at the end of the upper seat plate 1, respectively located on both sides of the retaining frame 5. Alternatively, one ridge 10 can be provided at each end of the upper seat plate 1 and the lower seat plate 2, which are away from each other. The ridges 10 extend toward the direction of the rolling assembly 3 and extend until they can contact the retaining frame 5.

[0047] In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "top", "front", "back", "inside", "outside", "left", "right", etc., indicating directions or positional relationships, are based on the directions 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0048] Although the present invention is described herein with reference to specific embodiments, it should be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It should be understood that many modifications may be made to the illustrative 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 ways other than those described in the original claims. It should also be understood that features described in conjunction with individual embodiments may be employed in conjunction with other described embodiments.

Claims

1. A roller-covered full-life support, characterized in that: It includes an upper seat plate, a lower seat plate, and a rolling assembly arranged between the upper seat plate and the lower seat plate; In which, the rolling assembly includes a retaining frame, and a plurality of rolling members are arranged in the retaining frame. The rolling members are in contact with the upper seat plate and the lower seat plate respectively. 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, 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, 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, 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, characterized in that: 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 contacts the side wall of the roller shaft.

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

7. The roller-shaft full-life support according to claim 3, 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 together.

8. The roller-shaft full-life support according to claim 1, 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 portion of the lower seat plate is provided with two protruding strips located on both sides of the retaining frame.

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