CN214362824U - Bridge support capable of keeping exposed height of sliding plate - Google Patents
Bridge support capable of keeping exposed height of sliding plate Download PDFInfo
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- CN214362824U CN214362824U CN202022754727.2U CN202022754727U CN214362824U CN 214362824 U CN214362824 U CN 214362824U CN 202022754727 U CN202022754727 U CN 202022754727U CN 214362824 U CN214362824 U CN 214362824U
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- sliding
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- sliding plate
- baffle ring
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Abstract
The utility model discloses a can keep slide bridge beam supports who exposes height relates to bridge beam supports technical field, the utility model discloses a set up one and can follow the fender ring of adjusting in the slide outside with vertical slip to when the slide is in high abrasive consumption, keep off the elastic force that the ring can overcome the elastomer under the effect of roof portion, external seal circle and sink automatically, thereby make the slide expose height remain in suitable numerical value all the time, and then prolonged the life of support.
Description
Technical Field
The utility model relates to a bridge beam supports technical field particularly, relates to a can keep slide high bridge beam supports that exposes.
Background
With the development of bridge construction in China, more and more large-span bridges appear. The large-span bridges are generally constructed by suspension cables and stay cables, the displacement of the large-span bridges is many times higher than that of ordinary bridges, and the abrasion of suitable supports matched with the large-span bridges is larger. In the existing support structure, the height of the sliding plate exposed out of the support body is generally 3mm (the thickness of the sliding plate is 7mm, and the exposed height is 3 mm). However, after practical verification, it is found that the sliding plate exposed to the support body by 3mm cannot meet the requirement of a high abrasion amount environment (such as a large-span/large-displacement bridge), and the sliding plates are severely abraded after long-term friction work, so that the thickness of the sliding plates is reduced. When the slide thickness wearing and tearing reach the limit after, for guaranteeing that the support displacement function does not receive the slide wearing and tearing influence, need change the slide this moment, though the slide only is a very little part in the support structure, it then need carry out the jacking to the roof beam to change the slide, and this can lead to the fact the influence to the bridge floor is current.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge beam supports, its life is longer.
And the utility model discloses a solve the scheme that above-mentioned technical problem adopted and be:
a bridge support capable of keeping the exposed height of a sliding plate comprises a top plate part, the sliding plate and a support body which are sequentially arranged along the direction from top to bottom, wherein the support body comprises a pressure-bearing body and a baffle ring, the pressure-bearing body is arranged below the sliding plate and is abutted against the sliding plate, and the baffle ring is sleeved on the outer side of the sliding plate in a vertically sliding manner; the top of the sliding plate extends out of the top end of the baffle ring and forms a sliding friction pair with the bottom of the top plate part; an outer sealing ring for forming axial sealing is arranged between the baffle ring and the top plate part, the part of the sliding plate extending out of the top end of the baffle ring penetrates into the outer sealing ring, and two axial ends of the outer sealing ring are respectively abutted with the baffle ring and the bottom of the top plate part; the elastic body is arranged on the top of the pressure bearing body and supports the baffle ring and applies elastic force to the baffle ring to enable the baffle ring to have upward moving tendency.
Preferably, the outside of the baffle ring is formed with a connection lug, the connection lug is provided with a through hole extending along the vertical direction, the baffle ring further comprises an adjusting bolt, the thread section of the adjusting bolt penetrates through the through hole and is in threaded connection with a pressure-bearing body below the connection lug, the head of the adjusting bolt is abutted against the top surface of the connection lug, and the sliding stroke of the baffle ring is configured to enable the baffle ring to slide through the sinking of the baffle ring relative to the sliding plate, so that the sliding plate is separated from the baffle ring.
Preferably, the pressure-bearing body is provided with a sliding ring groove matched with the shape of the baffle ring, and the bottom end of the baffle ring extends into the sliding ring groove and is in sliding fit with the sliding ring groove.
Preferably, the elastic body is accommodated in the sliding ring groove, and two ends of the elastic body are respectively connected with the baffle ring and the groove bottom of the sliding ring groove.
Preferably, the elastic body is a plurality of compression springs which are installed in the sliding ring groove at regular intervals around the axis of the sliding ring groove.
Preferably, the sliding plate is sleeved with an inner sealing ring for forming radial sealing at the bottom of a contact surface of the sliding plate in sliding contact with the inner wall of the baffle ring.
Preferably, the top plate portion is mainly composed of a top plate body and a mirror-finished stainless steel plate, and the mirror-finished stainless steel plate constitutes a bottom portion of the top plate portion.
Preferably, the support body further comprises a lower support plate arranged below the pressure-bearing body, a spherical sliding plate is fixedly arranged on the lower support plate, and the spherical sliding plate and the pressure-bearing body form a ball pair.
Preferably, the sliding plate is made of polytetrafluoroethylene material so as to maintain excellent abrasion performance.
Preferably, the ratio of the height of the sliding plate extending out of the top end of the baffle ring to the thickness of the sliding plate is less than 1 to 2.
The utility model discloses a set up one and can follow the fender ring that vertical slip ground was adjusted in the slide outside to when the slide was in high abrasive consumption, keep off the elastic force that the ring can overcome the elastomer under the effect of roof portion, external seal circle and sink automatically, thereby make the slide expose highly remain in suitable numerical value all the time, and then prolonged the life of support.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of embodiment 1 provided by the present invention;
fig. 2 is a schematic structural view of a support body in embodiment 1 provided by the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
[ description of specific symbols ]:
1-top plate part, 11-top plate body, 12-mirror surface stainless steel plate;
2-a sliding plate, 21-an inner sealing ring;
3-a support body, 31-a pressure-bearing body, 32-a baffle ring, 33-a connecting lug, 34-an adjusting bolt, 35-a lower support plate and 36-a spherical sliding plate;
4-an outer sealing ring;
5-compression spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention. Furthermore, the appearances of the terms "first," "second," and the like in the description of the present invention are only used for distinguishing between the descriptions and are not intended to indicate or imply relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present invention do not require that the components be absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 and fig. 2, the embodiment provides a bridge support capable of maintaining the exposed height of a sliding plate 2, which includes a top plate portion 1, the sliding plate 2 and a support body 3 sequentially arranged along a direction from top to bottom, where the support body 3 includes a pressure-bearing body 31 arranged below the sliding plate 2 and abutting against the sliding plate 2, and a baffle ring 32 vertically slidably sleeved on the outer side of the sliding plate 2; the top of the sliding plate 2 extends out of the top end of the baffle ring 32 and forms a sliding friction pair with the bottom of the top plate part 1; an outer sealing ring 4 for forming axial sealing is arranged between the baffle ring 32 and the top plate part 1, the part of the sliding plate 2 extending out of the top end of the baffle ring 32 penetrates into the outer sealing ring 4, and two axial ends of the outer sealing ring 4 are respectively abutted against the baffle ring 32 and the bottom of the top plate part 1; and an elastic body mounted on the top of the pressure bearing body 31, the elastic body supporting the retainer ring 32 and applying an elastic force to the retainer ring 32 to make it have a tendency to move upward.
In the using process of the bridge bearing, along with the abrasion between the top of the sliding plate 2 and the bottom of the top plate part 1, the thickness of the sliding plate 2 is gradually reduced, and the height of the part of the sliding plate 2 exposed out of the top end of the baffle ring 32 can not meet the requirement of the bridge bearing.
At this time, the top plate portion 1 begins to sink, and correspondingly applies a sinking force to the baffle ring 32 through the outer seal ring 4, the baffle ring 32 overcomes the elastic force applied thereto by the elastic body, and sinks and slides relative to the sliding plate 2, so that the height of the top of the sliding plate 2 extending out of the top of the baffle ring 32 is again in a proper range (in this embodiment, the height of the sliding plate 2 extending out of the top of the baffle ring 32 is specifically 3mm), and further the service life of the support is prolonged.
Meanwhile, as for the bridge bearing, how to improve the convenience of detaching and replacing the sliding plate 2 is always the main research and development direction, and as a preferred embodiment, in this embodiment, the outer side portion of the baffle ring 32 is formed with a connecting lug 33, the connecting lug 33 is provided with a through hole extending in the vertical direction, and further includes an adjusting bolt 34, a threaded section of the adjusting bolt 34 passes through the through hole and is in threaded connection with the pressure-bearing body 31 located below the connecting lug 33, a head portion of the adjusting bolt 34 abuts against a top surface of the connecting lug 33, and a sliding stroke of the baffle ring 32 is configured such that the baffle ring 32 can slide through sinking relative to the sliding plate 2, so that the sliding plate 2 is separated from the baffle ring 32.
This structure makes it possible to: when the bridge bearing faces the situation that the sliding plate 2 needs to be disassembled/replaced, an operator can screw in the adjusting bolt 34, so that the head of the adjusting bolt 34 drives the connecting lug 33 and the baffle ring 32 to sink and slide relative to the sliding plate 2, and the sliding plate 2 is separated from the baffle ring 32. At this time, the operator only needs to pull out the slide plate 2 from the side direction, and then inserts a new slide plate 2 between the pressure-bearing body 31 and the top plate 1, so as to complete the procedure of detaching/replacing the slide plate 2, which is more convenient to implement.
It can be understood that the implementer can correspondingly select whether to set the engaging lug 33 according to his own requirement, please refer to fig. 3, the structure schematic diagram of embodiment 2 provided by the present invention, without setting the engaging lug on the pressure bearing body.
In the present embodiment, a sliding ring groove adapted to the shape of the baffle ring 32 is provided on the pressure-bearing body 31, and the bottom end of the baffle ring 32 extends into the sliding ring groove and is in sliding fit with the sliding ring groove.
The structure can ensure the sliding stability of the baffle ring 32 and avoid the overturning of the baffle ring.
In a preferred embodiment, the elastic body is accommodated in the sliding ring groove, and both ends of the elastic body are connected to the retainer ring 32 and the groove bottom of the sliding ring groove, respectively.
In the present embodiment, the elastic body is a plurality of compression springs 5, and the plurality of compression springs 5 are installed in the sliding ring groove at regular intervals around the axis of the sliding ring groove.
It is understood that the practitioner may also choose to replace the compression spring 5 with another elastic body such as a nylon tube according to his or her own needs.
Meanwhile, as for the sliding plate 2, when it is working, it bears a large pressure, and the problem of adhesion immersion easily occurs, which results in the corner of the sliding plate 2 immersing into the sliding contact surface between the inner wall of the baffle ring 32 and the sliding ring groove, so as to be a preferred embodiment, in this embodiment, the sliding plate 2 is sleeved with the inner sealing ring 21 for forming radial sealing at the bottom of the contact surface between the sliding plate 2 and the inner wall of the baffle ring 32, so as to avoid the corner of the sliding plate 2 immersing into the sliding contact surface between the inner wall of the baffle ring 32 and the sliding ring groove under the adhesion effect.
In the present embodiment, the top plate 1 is mainly composed of a top plate body 11 and a mirror surface stainless steel plate 12, the mirror surface stainless steel plate 12 is a bottom portion of the top plate 1, the top plate body 11 is mainly used for embedding in the member, and the mirror surface stainless steel plate 12 is mainly used for reducing the friction coefficient.
Meanwhile, the support body 3 further includes a lower support plate 35 disposed below the pressure-bearing body 31, a spherical sliding plate 36 is fixedly disposed on the lower support plate 35, and the spherical sliding plate 36 and the pressure-bearing body 31 form a ball pair, that is, the present embodiment is a bridge support with a ball pair. The implementer can correspondingly select other types of support bodies such as a plane sliding pair according to the self requirement.
In the present embodiment, the sliding plate 2 is made of teflon, which is specifically ultra-high performance teflon, and the friction surface of the sliding plate 2 can achieve the friction performance of the modified teflon sliding plate 2 after lubrication without filling lubricating silicone grease.
In addition, in the present embodiment, the thickness of the sliding plate 2 is 7mm, that is, the ratio of the height of the sliding plate 2 extending beyond the top end of the retainer ring 32 to the thickness of the sliding plate 2 is less than 1 to 2. The thickness of the skid plate 2 can be correspondingly increased by the practitioner to assist in improving the service life of the mount.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A bridge support capable of keeping the exposed height of a sliding plate comprises a top plate part, the sliding plate and a support body which are sequentially arranged along the direction from top to bottom, and is characterized in that the support body comprises a pressure-bearing body and a baffle ring, wherein the pressure-bearing body is arranged below the sliding plate and is abutted against the sliding plate, and the baffle ring is sleeved on the outer side of the sliding plate in a vertically sliding manner; the top of the sliding plate extends out of the top end of the baffle ring and forms a sliding friction pair with the bottom of the top plate part; an outer sealing ring for forming axial sealing is arranged between the baffle ring and the top plate part, the part of the sliding plate extending out of the top end of the baffle ring penetrates into the outer sealing ring, and two axial ends of the outer sealing ring are respectively abutted with the baffle ring and the bottom of the top plate part; the elastic body is arranged on the top of the pressure bearing body and supports the baffle ring and applies elastic force to the baffle ring to enable the baffle ring to have upward moving tendency.
2. A bridge bearing according to claim 1, wherein the stop ring is formed with an engaging lug at an outer side thereof, the engaging lug is provided with a through hole extending in a vertical direction, and further comprising an adjusting bolt having a threaded section passing through the through hole and being threadedly coupled to a pressure-receiving body disposed below the engaging lug, a head of the adjusting bolt being in abutment with a top surface of the engaging lug, and a sliding stroke of the stop ring being configured such that the stop ring can slide in a sinking manner relative to the slide plate to disengage the slide plate from the stop ring.
3. The bridge bearing according to claim 1, wherein the bearing body is provided with a sliding ring groove with a shape adapted to the shape of the retainer ring, and the bottom end of the retainer ring extends into the sliding ring groove and is in sliding fit with the sliding ring groove.
4. The bridge bearing according to claim 3, wherein the elastic body is received in the sliding ring groove, and both ends of the elastic body are respectively connected to the stopper ring and the groove bottom of the sliding ring groove.
5. A bridge bearer according to claim 4, wherein said resilient body is a plurality of compression springs mounted in said sliding ring groove at regular intervals around the axis of said sliding ring groove.
6. A bridge bearing capable of maintaining the exposed height of the sliding plate according to claim 5, wherein the sliding plate is sleeved with an inner sealing ring for forming radial seal at the bottom of the contact surface of the sliding plate, which is in sliding contact with the inner wall of the baffle ring.
7. A bridge support capable of maintaining the exposed height of a skateboard as defined in claim 1, wherein said top plate is mainly composed of a top plate body and a mirror-finished stainless steel plate constituting the bottom of said top plate.
8. A bridge bearing capable of maintaining the exposed height of a sliding plate according to claim 1, wherein said bearing body further comprises a lower bearing plate disposed under a bearing body, said lower bearing plate is fixedly provided with a spherical sliding plate, and said spherical sliding plate and said bearing body form a ball pair.
9. A bridge support for maintaining the exposed height of a skid plate according to claim 1, wherein said skid plate is made of teflon.
10. A bridge support for maintaining the exposed height of a skid plate as set forth in claim 1, wherein the ratio of the height of said skid plate extending beyond the top end of said retainer ring to the thickness of said skid plate is less than 1 to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754727.2U CN214362824U (en) | 2020-11-25 | 2020-11-25 | Bridge support capable of keeping exposed height of sliding plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022754727.2U CN214362824U (en) | 2020-11-25 | 2020-11-25 | Bridge support capable of keeping exposed height of sliding plate |
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| Publication Number | Publication Date |
|---|---|
| CN214362824U true CN214362824U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022754727.2U Active CN214362824U (en) | 2020-11-25 | 2020-11-25 | Bridge support capable of keeping exposed height of sliding plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376412A (en) * | 2020-11-25 | 2021-02-19 | 成都市新筑路桥机械股份有限公司 | Bridge support capable of keeping exposed height of sliding plate |
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2020
- 2020-11-25 CN CN202022754727.2U patent/CN214362824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376412A (en) * | 2020-11-25 | 2021-02-19 | 成都市新筑路桥机械股份有限公司 | Bridge support capable of keeping exposed height of sliding plate |
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