Road and bridge expansion joint adjusting device
By introducing structures such as screw-hole cylinders, threaded rods, and rectangular clamping plates into bridge expansion joints, the problem of existing devices being unable to be adjusted has been solved, enabling convenient and stable adjustment of bridge expansion joints.
Patent Information
- Application Number
- CN202520222839.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing bridge expansion joint adjustment devices cannot be adjusted after being fixed, requiring the removal of the fixing plates for readjustment, which is inconvenient.
It adopts a convenient adjustment structure, including a screw-hole cylinder and a threaded rod, a rectangular clamping plate and a clamping frame. The distance of the expansion joint steel body is adjusted by the threaded rod and the screw-hole cylinder, and stability is maintained by the slide rod and the slide cylinder. The rectangular clamping plate and the clamping frame are used to quickly align the steel body.
It enables flexible adjustment and rapid alignment of the steel body distance of the expansion joint, improves the convenience and stability of the adjustment process, and avoids the need for dismantling and repeated fixing.
Smart Images
Figure CN223660637U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to expansion joint adjusting technical field especially, relates to a road bridge expansion joint adjusting device. BACKGROUND
[0002] Bridge expansion joint refers to for satisfying the requirement of bridge deck deformation, usually sets up expansion joint between two beam ends, beam end and abutment or hinge position of bridge, and expansion joint needs to adjust the opening and closing size according to actual bridge demand, usually adopts the use of different specifications fixed sheet, and then adjusts the size between two expansion joints.
[0003] In actual work, the structure and function of the expansion joint adjusting device of the prior art are relatively perfect, and can basically meet the daily use requirements, but there are still the following problems:
[0004] In the expansion joint adjusting and fixing, after the distance between the two expansion joint steel bodies is adjusted, the two expansion joint steel bodies are connected and fixed by the fixed sheet at this time, and then the expansion joint steel body is fixed, but this way makes the distance between the two expansion joint steel bodies cannot be adjusted after the two expansion joint steel bodies are fixed, and the original fixed sheet needs to be destructively removed before it can be adjusted again, which is very inconvenient.
[0005] Therefore, the utility model provides a road bridge expansion joint adjusting device. UTILITY MODEL CONTENTS
[0006] The utility model aims at solving the shortcomings in the prior art, and provides a road bridge expansion joint adjusting device.
[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a road bridge expansion joint adjusting device, which comprises two expansion joint steel bodies, one side of the expansion joint steel body is provided with a U-shaped steel; a convenient adjusting structure is arranged between the two expansion joint steel bodies, the convenient adjusting structure comprises a screw hole barrel, a threaded rod is connected with the inner wall of the screw hole barrel in a threaded mode, a first circular baffle is fixedly connected with one side of the outer surface of the screw hole barrel and one end of the outer surface of the threaded rod respectively; an auxiliary adjusting structure is arranged between the opposite surfaces of the two expansion joint steel bodies, the auxiliary adjusting structure comprises a rectangular clamping plate and a rectangular clamping frame, and the inner walls of the rectangular clamping plate and the rectangular clamping frame are clamped.
[0008] As a preferred embodiment, the top of the expansion joint steel body is fixedly connected with three rectangular plates, the three rectangular plates are equidistantly arranged at the top of the expansion joint steel body, a circular insertion hole is formed in the inner wall of the rectangular plate, a first threaded insertion rod is fixedly connected with one side of the outer surface of the first circular baffle, a first fixed nut is threadedly connected with the outer surface of the first threaded insertion rod, and the first threaded insertion rod is inserted into the circular insertion hole at the middle position.
[0009] The technical effect of the further scheme is that the length of the threaded rod and the threaded hole can be extended under the action of the threaded rod and the threaded hole, and the distance between the two expansion joint steel bodies can be adjusted, so that the distance between the two expansion joint steel bodies can be adjusted at any time.
[0010] As a preferred embodiment, the inner wall of the circular insertion hole on both sides is provided with a second threaded insertion rod, the outer surface of the second threaded insertion rod is threadedly connected with a second fixed nut, the outer surface of the two second threaded insertion rods is fixedly connected with a second circular baffle on one side, the outer surface of one of the second circular baffles is fixedly connected with a circular slide rod, and the outer surface of the other second circular baffle is fixedly connected with a circular slide cylinder, the circular slide rod and the circular slide cylinder are slidably connected, the outer surface of the circular slide rod is provided with an auxiliary groove on one side, and the inner wall of the circular slide cylinder is threadedly connected with a threaded extrusion rod on one side.
[0011] The technical effect of the further scheme is that the two expansion joint steel bodies can be adjusted by the second threaded insertion rod and other components, and the two circular slide rods and the circular slide cylinder can keep the expansion joint steel body stable during the adjustment process.
[0012] As a preferred embodiment, the outer surface of the rectangular clamping plate is fixedly connected with one side of one of the expansion joint steel bodies, the outer surface of the rectangular clamping frame is fixedly connected with one side of the other expansion joint steel body, the two sides of the rectangular clamping frame are provided with a rectangular insertion slot, and the outer surface of the rectangular clamping plate is fixedly connected with a rectangular insertion block on both sides.
[0013] The technical effect of the further scheme is that the rectangular clamping plate and the rectangular clamping frame can be inserted into each other, and the two expansion joint steel bodies can be quickly aligned by the rectangular insertion block and the rectangular insertion slot before being adjusted by the convenient adjustment structure.
[0014] Compared with the prior art, the advantages and positive effects of the utility model lie in,
[0015] By setting convenient adjusting structure, the length of threaded rod and screw hole barrel can be adjusted, and then the distance between the two expansion joint steel bodies can be controlled by the length of threaded rod and screw hole barrel, and the two expansion joint steel bodies can be kept stable during the adjusting process, and the overall adjusting is more convenient, and by setting auxiliary adjusting structure, the rectangular clamping plate and the rectangular clamping frame can be inserted with each other, and then the two expansion joint steel bodies can be inserted and fixed before splicing, and then the two expansion joint steel bodies can be aligned faster during splicing, and then the two expansion joint steel bodies can be installed faster. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structural schematic view of the road bridge expansion joint adjusting device is provided in the utility model.
[0017] Figure 2 A structural schematic view of the expansion joint steel body of the road bridge expansion joint adjusting device is provided in the utility model.
[0018] Figure 3 A structural schematic view of the screw hole barrel of the road bridge expansion joint adjusting device is provided in the utility model.
[0019] Figure 4 A structural schematic view of the round smooth barrel of the road bridge expansion joint adjusting device is provided in the utility model.
[0020] Figure 5 A structural schematic view of the rectangular clamping plate of the road bridge expansion joint adjusting device is provided in the utility model.
[0021] LEGEND:
[0022] 1, expansion joint steel body; 2, U-shaped steel;
[0023] 3, convenient adjusting structure; 31, rectangular plate; 32, round insertion hole; 33, screw hole barrel; 34, threaded rod; 35, first circular baffle; 36, first threaded insertion rod; 37, first fixed nut; 38, round smooth barrel; 39, round smooth rod; 310, auxiliary groove; 311, threaded extrusion rod; 312, second circular baffle; 313, second threaded insertion rod; 314, second fixed nut;
[0024] 4, auxiliary adjusting structure; 41, rectangular clamping frame; 42, rectangular clamping plate; 43, rectangular insertion slot; 44, rectangular insertion block. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0026] As shown in the drawings, Figures 1-5 The present embodiment provides a technical scheme: a road bridge expansion joint adjusting device, comprising two expansion joint steel bodies 1, one side of the expansion joint steel body 1 is provided with a U-shaped steel 2; a convenient adjusting structure 3 is arranged between the two expansion joint steel bodies 1, the convenient adjusting structure 3 comprises a screw hole barrel 33, a threaded rod 34 is threadedly connected to the inner wall of the screw hole barrel 33, and a first circular baffle 35 is fixedly connected to one side of the outer surface of the screw hole barrel 33 and one end of the outer surface of the threaded rod 34, respectively; an auxiliary adjusting structure 4 is arranged between the opposite faces of the two expansion joint steel bodies 1, and the auxiliary adjusting structure 4 comprises a rectangular clamping plate 42 and a rectangular clamping frame 41, and the rectangular clamping plate 42 is clamped to the inner wall of the rectangular clamping frame 41.
[0027] Further, as shown in the drawings, Figures 2-3 The top of the expansion joint steel body 1 is fixedly connected with three rectangular plates 31, the three rectangular plates 31 are equidistantly arranged at the top of the expansion joint steel body 1, a circular insertion hole 32 is formed in the inner wall of the rectangular plate 31, a first threaded insertion rod 36 is fixedly connected to one side of the outer surface of the first circular baffle 35, a first fixed nut 37 is threadedly connected to the outer surface of the first threaded insertion rod 36, and the first threaded insertion rod 36 is inserted into the circular insertion hole 32 at the middle position, and under the action of the threaded rod 34 and the screw hole barrel 33, the length of the threaded rod 34 and the screw hole barrel 33 can be extended, thereby the distance between the two expansion joint steel bodies 1 can be adjusted, so that the distance between the two expansion joint steel bodies 1 can be adjusted at any time.
[0028] In the above scheme, the expansion joint steel body 1 is prone to positional deviation during adjustment, as shown in the drawings, Figure 2 and Figure 4As shown: the inner wall of the circular jack 32 on both sides in this scheme is inserted with the second threaded rod 313, the outer surface of the second threaded rod 313 is connected with the second fixed nut 314, the outer surface of the two second threaded rods 313 is fixedly connected with the second circular baffle 312, one side of the outer surface of one of the second circular baffles 312 is fixedly connected with the round slide rod 39, the other side of the outer surface of the other second circular baffle 312 is fixedly connected with the round slide cylinder 38, the round slide rod 39 and the round slide cylinder 38 are connected, the outer surface of the round slide rod 39 is provided with an auxiliary slot 310, one side of the inner wall of the round slide cylinder 38 is connected with the threaded extrusion rod 311, under the action of the second threaded rod 313 and other components, the two expansion joint steel bodies 1 can be adjusted by cooperating with the round slide rod 39 and the round slide cylinder 38, so that the two round slide rods 39 and the round slide cylinder 38 can keep the expansion joint steel body 1 stable during adjustment.
[0029] In the above scheme, there are also two expansion joint steel bodies 1 that need to be aligned when splicing and adjusting, which causes waste of time, such as Figure 5 As shown, the outer surface of the rectangular clamping plate 42 is fixedly connected with one side of one of the expansion joint steel bodies 1, the outer surface of the rectangular clamping frame 41 is fixedly connected with the other side of the other expansion joint steel body 1, the two sides of the rectangular clamping frame 41 are provided with rectangular insertion grooves 43, the outer surface of the rectangular clamping plate 42 is fixedly connected with rectangular insertion blocks 44, the rectangular insertion blocks 44 are inserted into the inner wall of the rectangular insertion grooves 43, under the action of the rectangular clamping plate 42 and the rectangular clamping frame 41, they can be inserted with each other, and then the rectangular insertion blocks 44 and the rectangular insertion grooves 43 can be used to assist the splicing of the two expansion joint steel bodies 1 before they are adjusted by the convenient adjusting structure 3, so that they can be quickly aligned.
[0030] Working principle:
[0031] As shown in Figures 1-5 As shown:
[0032] In use: the rectangular clamping plate 42 is clamped into the rectangular clamping frame 41, at this time the rectangular insertion blocks 44 can be inserted into the inner wall of the rectangular insertion grooves 43, at this time the threaded rod 34 is adjusted with the threaded hole cylinder 33, when the adjustment is completed, the first threaded rod 36 at both ends is inserted into the inner wall of the circular jack 32 in the middle, and then the first fixed nut 37 can be fixed with the first threaded rod 36, in this process, the round slide rod 39 can slide in the inner wall of the round slide cylinder 38, and then it can slide to the appropriate position, at this time the threaded extrusion rod 311 is rotated, so that the threaded extrusion rod 311 can fix the round slide rod 39, the round slide rod 39 and the round slide cylinder 38 can be fixed with the circular jacks 32 on both sides through the second threaded rod 313 and the second fixed nut 314.
[0033] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.
Claims
1. A road bridge expansion joint adjusting device, comprising two expansion joint steel bodies (1), characterized in that, one side of the expansion joint steel body (1) is provided with a U-shaped steel (2); a convenient adjusting structure (3) is arranged between the two expansion joint steel bodies (1), the convenient adjusting structure (3) comprises a screw hole cylinder (33), the inner wall of the screw hole cylinder (33) is threadedly connected with a threaded rod (34), and one side of the outer surface of the screw hole cylinder (33) and one end of the outer surface of the threaded rod (34) are fixedly connected with a first circular baffle (35); an auxiliary adjusting structure (4) is arranged between the opposite surfaces of the two expansion joint steel bodies (1), the auxiliary adjusting structure (4) comprises a rectangular clamping plate (42) and a rectangular clamping frame (41), and the inner walls of the rectangular clamping plate (42) and the rectangular clamping frame (41) are clamped.
2. The roadway bridge joint adjustment device of claim 1, wherein: Three rectangular plates (31) are fixedly connected to the top of the expansion joint steel body (1), the three rectangular plates (31) are equidistantly arranged at the top of the expansion joint steel body (1), and a circular insertion hole (32) is formed in the inner wall of the rectangular plate (31).
3. The roadway bridge joint adjustment device of claim 2, wherein: A first threaded insertion rod (36) is fixedly connected to one side of the outer surface of the first circular baffle (35), a first fixed nut (37) is threadedly connected to the outer surface of the first threaded insertion rod (36), and the first threaded insertion rod (36) is inserted into the circular insertion hole (32) located at the middle position.
4. The roadway bridge joint adjustment device of claim 2, wherein: Second threaded insertion rods (313) are inserted into the inner walls of the circular insertion holes (32) located on both sides, and second fixed nuts (314) are threadedly connected to the outer surfaces of the second threaded insertion rods (313).
5. The roadway bridge joint adjustment device of claim 4, wherein: Second circular baffles (312) are fixedly connected to one side of the outer surfaces of the two second threaded insertion rods (313), one side of the outer surface of one of the second circular baffles (312) is fixedly connected with a circular sliding rod (39), and one side of the outer surface of the other second circular baffle (312) is fixedly connected with a circular sliding cylinder (38), and the circular sliding rod (39) and the circular sliding cylinder (38) are slidably connected.
6. The roadway bridge joint adjustment device of claim 5, wherein: An auxiliary groove (310) is formed in one side of the outer surface of the circular sliding rod (39), and a threaded extrusion rod (311) is threadedly connected to one side of the inner wall of the circular sliding cylinder (38).
7. The roadway bridge joint adjustment device of claim 1, wherein: One side of the outer surface of the rectangular clamping plate (42) and one side of the outer surface of the other expansion joint steel body (1) are fixedly connected, the outer surface of the rectangular clamping frame (41) and one side of the other expansion joint steel body (1) are fixedly connected, rectangular insertion grooves (43) are formed in the two sides of the rectangular clamping frame (41), rectangular insertion blocks (44) are fixedly connected to the two sides of the outer surface of the rectangular clamping plate (42), and the rectangular insertion blocks (44) are inserted into the inner walls of the rectangular insertion grooves (43).