CN214005394U

CN214005394U - Large displacement dustproof sliding plate expansion joint

Info

Publication number: CN214005394U
Application number: CN202023066604.6U
Authority: CN
Inventors: 汪小鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-20
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a dustproof slide expansion joint of big displacement, including displacement case, sliding part and dustproof slide, a plurality of displacement cases are all installed to the both sides of expansion joint, and sliding part's both ends difference sliding fit is at relative displacement incasement, and sliding part passes through centering device to be connected with dustproof slide, and dustproof slide passes through the gap that centering device covered the expansion joint all the time. The utility model has the advantages that: make the displacement volume of dustproof slide expansion joint relative baffle through centering device equal all the time to the too big problem in dustproof slide and road surface clearance can not appear, thereby has guaranteed the travelling comfort of driving.

Description

Large displacement dustproof sliding plate expansion joint

Technical Field

The utility model relates to a bridge expansion joint, especially dustproof slide expansion joint of big displacement.

Background

Bridge expansion joints: it is referred to that in order to meet the requirement of deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the expansion joint is prevented from being blocked due to the infiltration of rainwater and garbage soil; the installation, inspection, maintenance and dirt elimination of the expansion joint are simple and convenient.

The expansion joint with large displacement is a comb tooth type expansion joint and a modulus type steel joint, silt is easy to block, the comb tooth plate is easy to warp and deform, and traffic accidents are caused by diseases such as modulus type expansion joint steel fracture. Through long-term research of the inventor, the invention provides the durable dustproof sliding plate expansion joint with large displacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming of current expansion joint, provide a big displacement slide expansion joint that prevents dust of big displacement, durability, automatically cleaning, exempt from maintenance.

The purpose of the utility model is realized through the following technical scheme: the dustproof slide expansion joint of big displacement, including displacement case, sliding part and dustproof slide, a plurality of displacement cases are all installed to the both sides of expansion joint, and sliding part's both ends difference sliding fit is at relative displacement incasement, and sliding part passes through centering device to be connected with dustproof slide, and dustproof slide passes through the gap that centering device covered the expansion joint all the time.

Preferably, the centering device comprises a middle support, a left support and a right support, the left support is installed on the left side of the displacement box, the right support is installed on the right side of the displacement box, the middle support is installed on the sliding portion, the left end and the right end of the middle support protrude out of the left side and the right side of the sliding portion, the diamond-shaped supports are installed at the left end and the right end of the middle support, the two corresponding left supports are connected through the diamond-shaped supports on the left side of the displacement box, and the two corresponding right supports are connected through the diamond-shaped supports on the right side of the displacement box.

Preferably, the rhombic frame comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, wherein the middle part of the first connecting rod, the middle part of the second connecting rod and the end part of the middle frame are hinged, two ends of the first connecting rod are hinged with one end part of the third connecting rod, two ends of the second connecting rod are hinged with one end part of the fourth connecting rod, and the other end part of the third connecting rod is hinged with the other end part of the corresponding fourth connecting rod.

Preferably, an elastic block is arranged between the sliding part and the top of the inner cavity of the displacement box, and an elastic block is arranged between the sliding part and the bottom of the inner cavity of the displacement box.

Preferably, a sliding plate is arranged between the elastic block and the sliding part, and the sliding plate is fixed in the inner cavity of the displacement box.

Preferably, the top of the sliding part is provided with a limiting groove, and the middle support is clamped in the limiting groove.

Preferably, the middle support is provided with a through hole, and the dustproof sliding plate, the middle support and the sliding part are connected through a connecting screw.

Preferably, an elastic pad is arranged between the middle bracket and the dustproof sliding plate, and the connecting screw penetrates through the elastic pad.

Preferably, a supporting plate is further arranged between the dustproof sliding plate and the displacement box.

Preferably, the both sides of expansion joint still are provided with the anchor steel sheet, and one side of anchor steel sheet is provided with the anchor reinforcing bar, and the top of anchor steel sheet transversely is provided with the baffle, and dustproof slide is located between two baffles, and has flexible clearance between dustproof slide and the baffle, and the expansion joint still installs the waterstop, and the waterstop is located the below of sliding part.

The utility model has the advantages of it is following: the utility model discloses a dustproof slide expansion joint makes the displacement volume of the relative baffle of dustproof slide expansion joint equal all the time through centering device to can not appear dustproof slide and the too big problem in road surface clearance, thereby guaranteed the travelling comfort of driving, this dustproof slide expansion joint is applicable to large displacement volume expansion joint, has durability, dustproof automatically cleaning, exempts from advantages such as maintenance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view in the direction I-I of FIG. 1;

FIG. 3 is a schematic view in the direction II-II of FIG. 2;

FIG. 4 is a schematic view of direction IV-IV of FIG. 2;

FIG. 5 is a schematic view of the installation of the dust slide, the middle bracket and the sliding part;

FIG. 6 is a schematic view of the slide and the displacement box;

FIG. 7 is a schematic view of the alignment device and the displacement box installed;

in the figure, 1-dustproof sliding plate, 2-baffle plate, 3-anchoring steel plate, 4-water stop, 5-anchoring steel bar, 6-displacement box, 7-sliding groove, 8-sliding part, 9-supporting plate, 10-elastic pad, 11-elastic block, 12-sliding plate, 21-middle support, 22-left support, 23-right support, 24-first connecting rod, 25-second connecting rod, 26-third connecting rod, 27-fourth connecting rod and 28-connecting screw.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

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 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 the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

As shown in fig. 1 to 5, a large displacement dustproof sliding plate expansion joint comprises a displacement box 6, a sliding part 8 and a dustproof sliding plate 1, wherein a plurality of displacement boxes 6 are installed on both sides of the expansion joint, further, the displacement boxes 6 are transversely arranged at intervals on both sides of the expansion joint, both ends of the sliding part 8 are respectively in sliding fit in the opposite displacement boxes 6, the sliding part 8 is a steel beam, the sliding part 8 is connected with the dustproof sliding plate 1 through a centering device, the dustproof sliding plate 1 always covers the gap of the expansion joint through the centering device, both sides of the expansion joint are also provided with an anchoring steel plate 3, one side of the anchoring steel plate 3 is provided with an anchoring steel bar 5, the installation of the anchoring steel plate 3 and the anchoring steel bar 5 belongs to the prior art, and therefore, the detailed description is omitted, the baffle 2 is transversely arranged on the top of the anchoring steel plate 3, the dustproof sliding plate 1 is arranged between the two baffles 2, and a telescopic gap is arranged between the dustproof sliding plate 1 and the baffle 2, because the centering device is arranged, the moving distances of the dustproof sliding plate 1 relative to the baffle 2 are always equal, and the size of the dustproof sliding plate 1 is designed during design, so that the dustproof sliding plate 1 always covers the gap of the expansion joint.

In this embodiment, as shown in fig. 1, a water stop 4 is further installed at the expansion joint, the water stop 4 is located below the sliding portion 8, and the installation of the water stop 4 also belongs to the prior art, and therefore, the detailed description thereof is omitted.

In this embodiment, as shown in fig. 7, the centering device includes a middle support 21, a left support 22 and a right support 23, the left support 22 is installed on the left side of the displacement box 6, the right support 23 is installed on the right side of the displacement box 6, the middle support 21 is installed on the sliding portion 8, the left and

right supports

22, 23 are welded on the corresponding displacement box, further, a limit groove is opened on the top of the sliding portion 8, the middle support 21 is clamped in the limit groove, a through hole is opened on the middle support 21, the dustproof sliding plate 1, the middle support 21 and the sliding portion 8 are connected by a connecting screw 28, the limit groove can limit the position of the middle support 21, so that the positions of the middle support 21 and the sliding portion 8 are relatively fixed, the left and right ends of the middle support 21 protrude out of the left and right sides of the sliding portion 8, diamond-shaped supports are installed on the left and right ends of the middle support 21, and two pairs of the left supports 22 are connected by a diamond-shaped support on the left side of the displacement box 6, the two corresponding right brackets 23 are connected through a diamond-shaped bracket on the right side of the displacement box 6, in this embodiment, the diamond-shaped bracket includes a first connecting rod 24, a second connecting rod 25, a third connecting rod 26 and a fourth connecting rod 27, the middle part of the first connecting rod 24, the middle part of the second connecting rod 25 and the end part of the middle bracket 21 are hinged, two ends of the first connecting rod 24 are hinged with one end part of the third connecting rod 26, two ends of the second connecting rod 25 are hinged with one end part of the fourth connecting rod 27, and the other end part of the third connecting rod 26 is hinged with the other end part of the corresponding fourth connecting rod 27, when the bridge is deformed, the two displacement boxes 6 are close to or far away from the middle bracket 21, at this time, the diamond-shaped bracket is correspondingly contracted or expanded, and the middle bracket 21 cannot move relative to the sliding part 8, so that the dust-proof sliding plate 1 cannot slide relative to the sliding part 8.

In this embodiment, as shown in fig. 6, an elastic block 11 is disposed between the top of the inner cavity of the sliding portion 8 and the top of the inner cavity of the displacement box 6, an elastic block 11 is disposed between the bottom of the inner cavity of the sliding portion 8 and the bottom of the inner cavity of the displacement box 6, a sliding plate 12 is disposed between the elastic block 11 and the sliding portion 8, the sliding plate 12 is fixed in the inner cavity of the displacement box 6, a sliding groove 7 in which the sliding portion 8 slides is formed in a gap between the two sliding plates, the elastic block 11 has a shock-absorbing function, and when a vehicle runs through an expansion joint, the shock-absorbing function can be achieved, so that driving comfort is improved, and meanwhile, the service lives of the.

In this embodiment, as shown in fig. 5, an elastic pad 10 is installed between the middle support 21 and the dust-proof sliding plate 1, the connection screw 28 passes through the elastic pad 10, further, a support plate 9 is further disposed between the dust-proof sliding plate 1 and the displacement box 6, when the installation is performed, through elastic deformation of the elastic pad 10, the dust-proof sliding plate 1 can be better attached to the support plate 9, preferably, the support plate 9 is made of a steel plate, that is, the support plate 9 is a support steel plate and is attached to the dust-proof sliding plate 1 through the support plate 9, so that when the support plate 9 and the dust-proof sliding plate 1 move relatively, friction stress is uniform, and service lives of the dust-proof sliding plate 1 and the support plate 9 are ensured.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Dustproof slide expansion joint of big displacement, its characterized in that: including displacement case, sliding part and dustproof slide, a plurality of displacement cases are all installed to the both sides at expansion joint, sliding part's both ends respectively sliding fit is relative the displacement incasement, sliding part pass through centering device with dustproof slide connects, just dustproof slide passes through centering device covers all the time the gap at expansion joint.

2. The large displacement dustproof sliding plate expansion joint of claim 1, characterized in that: the centering device comprises a middle support, a left support and a right support, the left support is installed on the left side of the displacement box, the right support is installed on the right side of the displacement box, the middle support is installed on the sliding portion, the left end and the right end of the middle support protrude out of the left side and the right side of the sliding portion, the diamond supports are installed on the left end and the right end of the middle support, the two corresponding supports are connected through the diamond supports on the left side of the displacement box, and the two corresponding supports are connected through the diamond supports on the right side of the displacement box.

3. The large displacement dustproof sliding plate expansion joint of claim 2, characterized in that: the rhombus support includes first connecting rod, second connecting rod, third connecting rod and fourth connecting rod, the middle part of first connecting rod, the middle part of second connecting rod and the tip of well support is articulated, the both ends of first connecting rod with a tip of third connecting rod is articulated, the both ends of second connecting rod with a tip of fourth connecting rod is articulated, just another tip of third connecting rod with correspond another tip of fourth connecting rod is articulated.

4. The expansion joint of the large-displacement dustproof sliding plate according to any one of claims 1 to 3, wherein: an elastic block is arranged between the sliding part and the top of the inner cavity of the displacement box, and an elastic block is arranged between the sliding part and the bottom of the inner cavity of the displacement box.

5. The large displacement dustproof sliding plate expansion joint of claim 4, wherein: a sliding plate is arranged between the elastic block and the sliding part and is fixed in the inner cavity of the displacement box.

6. The large displacement dustproof sliding plate expansion joint of claim 3, wherein: the top of the sliding part is provided with a limiting groove, and the middle support is clamped in the limiting groove.

7. The large displacement dustproof skateboard expansion joint of claim 6, characterized in that: the middle support is provided with a through hole, and the dustproof sliding plate, the middle support and the sliding part are connected through connecting screws.

8. The large displacement dustproof skateboard expansion joint of claim 7, characterized in that: an elastic pad is installed between the middle support and the dustproof sliding plate, and the connecting screw penetrates through the elastic pad.

9. The large displacement dustproof sliding plate expansion joint of claim 1, characterized in that: a support plate is further arranged between the dustproof sliding plate and the displacement box.

10. The large displacement dustproof sliding plate expansion joint of claim 1, characterized in that: the both sides at expansion joint still are provided with the anchor steel sheet, one side of anchor steel sheet is provided with the anchor reinforcing bar, the top of anchor steel sheet transversely is provided with the baffle, dustproof slide is located two between the baffle, just dustproof slide with flexible clearance has between the baffle, the waterstop is still installed at the expansion joint, the waterstop is located the below of sliding part.