CN219862362U - Road expansion joint structure - Google Patents
Road expansion joint structure Download PDFInfo
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- CN219862362U CN219862362U CN202321148262.3U CN202321148262U CN219862362U CN 219862362 U CN219862362 U CN 219862362U CN 202321148262 U CN202321148262 U CN 202321148262U CN 219862362 U CN219862362 U CN 219862362U
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- expansion joint
- strip
- shaped
- guard
- joint structure
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model relates to a road expansion joint structure which comprises a pair of symmetrically arranged profile steel, a plurality of embedded ribs arranged on the outer side surface of the profile steel, mounting grooves formed on the inner side surface of the profile steel, elastic pads with two ends respectively embedded on the pair of mounting grooves, a first guard plate arranged on the top surface of one profile steel and lapped on the top surface of the other profile steel, a plurality of first guard teeth arranged on the side surface of the first guard plate and arranged at intervals along the length direction of an expansion joint, a strip-shaped sliding groove formed on the first guard teeth, a second guard plate arranged on the top surface of the other profile steel, a plurality of second guard teeth arranged on the side surface of the second guard plate and in sliding engagement with the first guard teeth, and sliding rods arranged on the second guard teeth and in sliding connection with the strip-shaped sliding grooves. The utility model solves the problem that the existing expansion joint is easy to enter broken stone and affects the service life of the expansion joint, and achieves the purpose of improving the protection effect and the service life of the expansion joint.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to a road expansion joint structure.
Background
The expansion joint of a building, namely, an expansion joint, is a structural joint which is arranged along a proper position along the direction of a building or a construction joint of a structure in order to prevent a building member from generating cracks or damages due to climate temperature changes (thermal expansion and cold contraction). The expansion joint divides building components such as wall, floor, roof, road and bridge above foundation into two independent parts, so that the building or structure can horizontally expand and contract along the length direction.
The Chinese patent with the bulletin number of CN217479943U discloses an expansion joint structure of a bridge road, which comprises a section steel, pre-buried ribs are fixedly arranged on the side surface of the section steel, a mounting groove is formed in the side surface of the section steel, an elastic pad is arranged in the mounting groove, a reinforcing groove is formed in the inner surface of the section steel, a threaded column is fixedly connected with the surface of the reinforcing groove, and a connecting sheet is arranged between the threaded columns.
The prior art solutions described above have the following drawbacks: when the vehicle runs on the road, the broken stone is easily brought into the expansion joint, so that the expansion joint is blocked, the use of the expansion joint is affected, the elastic pad is easily damaged by the broken stone and the like, and the service life of the expansion joint is reduced.
Disclosure of Invention
The utility model aims to solve the problems that the prior expansion joint is easy to enter broken stone and the service life of the expansion joint is influenced, and the aims of improving the protection effect and the service life of the expansion joint are fulfilled.
The above object of the present utility model is achieved by the following technical solutions:
the utility model provides a road expansion joint structure, includes a pair of symmetrical shaped steel of arranging, a plurality of set up in the pre-buried muscle of the outside surface of shaped steel, set up in the mounting groove of the inside surface of shaped steel and both ends inlay respectively and locate the elastic pad on this pair of mounting groove, still include the top surface of arranging one of them shaped steel and overlap joint in the first backplate of the top surface of another shaped steel, a plurality of set up in the side of first backplate and follow expansion joint length direction each other the first tooth of protecting that arranges, set up in bar spout on the first tooth of protecting, arrange in the second backplate of the top surface of another shaped steel, a plurality of set up in the side of second backplate and with these first tooth sliding engagement's second tooth of protecting to and set up on these second tooth of protecting and sliding connection's slide bar on these bar spout.
Through adopting above-mentioned technical scheme, the both sides wall setting of the relative expansion joint of shaped steel, and be fixed in the road through pre-buried muscle, simultaneously with the elastic pad inlay according to both ends locate on the mounting groove, the middle section is arranged in the mode between the clearance of this pair of shaped steel, install the back, overlap joint first backplate on this pair of shaped steel, with shelter from the clearance between elastic pad and this pair of shaped steel, can avoid the vehicle to send the rubble into the expansion joint in, the protection to the expansion joint has been improved, and control these first protection tooth and second protection tooth mutually slip grafting into engagement state, can guarantee the protect function between first backplate and the second backplate, the displacement that produces the relative second backplate of first protection tooth and second protection tooth again, avoid the top and the bottom intercommunication of expansion joint, can further improve the protection to the expansion joint, prevent that the rubble from falling into the expansion joint, the easy rubble of entering of current expansion joint, and influence its life's problem, the purpose of improving expansion joint has been reached.
The utility model is further provided with: the one end that the bar spout is close to the second backplate is buckled towards shaped steel one side and is extended, and runs through first tooth that protects, the slide bar roll connect in on the bar spout, and can follow the opening roll of bar spout breaks away from.
By adopting the technical scheme, the first tooth protection and the second tooth protection are convenient to assemble and disassemble.
The utility model is further provided with: the top surface of shaped steel is provided with the fixed strip, the outside surface of fixed strip with the outside surface parallel and level of shaped steel, the inboard of this pair of fixed strip respectively with first backplate and second backplate are articulated.
Through adopting above-mentioned technical scheme, in the dismouting in shaped steel and/or elastic pad, first backplate and second backplate of upwards overturning, the slide shaft loops through bar spout and opening and breaks away from first tooth that protects, and the clearance between the shaped steel is the open condition, can carry out corresponding dismouting, maintenance operation, then aim at the slide shaft with bar groove opening to slide shaft into the bar inslot, until first backplate and second backplate overlap joint in shaped steel top surface, continue to play the guard action.
The utility model is further provided with: the top surfaces of the fixing strip, the first guard plate and the second guard plate are flush.
Through adopting above-mentioned technical scheme, compact structure can be comparatively stable support under the expansion joint receives pressure, has improved the protection effect to the expansion joint.
The utility model is further provided with: the mounting groove is including set up in first rectangular channel on the medial surface of shaped steel and communicate in the second rectangular channel of first rectangular channel, there is the fall between the diapire of first rectangular channel and second rectangular channel, just the lateral wall and the diapire of first rectangular channel with the smooth transitional coupling of opening of second rectangular channel, the elastic pad is including inlaying and locating mounting strip on the mounting groove and set up the positive V type strip between this pair of mounting strip.
By adopting the technical scheme, the installation stability of the elastic pad on the section steel can be ensured, and the service life of the elastic pad can be prolonged.
The utility model is further provided with: the mounting strip is provided with a first deformation cavity arranged in the first rectangular groove and a second deformation cavity arranged in the second rectangular groove along the length direction.
By adopting the technical scheme, the elastic pad has better structural strength and is beneficial to prolonging the service life of the elastic pad.
The utility model is further provided with: the elastic pad also comprises an inverted V-shaped strip with two ends respectively arranged on the inner walls of the two sides of the positive V-shaped strip.
By adopting the technical scheme, the elastic pad has better structural strength and is beneficial to prolonging the service life of the elastic pad.
The utility model is further provided with: the bottom surface protrusion of shaped steel is provided with a plurality of spacing, and these spacing are arranged side by side along expansion joint width direction.
By adopting the technical scheme, the contact area between the profile steel and the road can be further increased, and the installation stability of the profile steel on the expansion joint is ensured.
The utility model is further provided with: and a plurality of mounting openings for mounting fasteners are formed in the bottom of the section steel.
Through adopting above-mentioned technical scheme, through installing the fastener on the installing port, like bolt and nut etc. accomplish the fixed of shaped steel on the expansion joint.
The utility model is further provided with: the outside surface of shaped steel is provided with a plurality of strengthening ribs, and these pre-buried muscle and strengthening rib are arranged along expansion joint length direction staggered arrangement.
By adopting the technical scheme, the steel has better structural strength and is beneficial to prolonging the service life of the section steel.
In summary, the beneficial technical effects of the utility model are as follows: solves the problem that the prior expansion joint is easy to enter broken stone and influence the service life of the expansion joint, and achieves the aim of improving the protection effect and the service life of the expansion joint.
Drawings
Fig. 1 is a schematic view of a part of a road expansion joint structure of the present utility model.
FIG. 2 is a schematic view of the connection relationship between the profile steel installation groove, the elastic pad and the protective component of the utility model.
In the figure, 1, section steel; 2. a limit bar; 3. a mounting port; 4. pre-burying ribs; 5. reinforcing ribs; 6. a mounting groove; 61. a first rectangular groove; 62. a second rectangular groove; 7. an elastic pad; 71. a mounting bar; 72. a first deformation chamber; 73. a second deformation chamber; 74. positive V-bars; 75. inverted V-shaped strips; 8. a protective assembly; 81. a fixing strip; 82. a first guard plate; 83. a second guard plate; 84. a first tooth guard; 85. a strip-shaped chute; 86. a second tooth guard; 87. and a slide bar.
Description of the embodiments
The utility model will be further described with reference to the drawings and detailed description in order to make the technical means, the creation characteristics, the achievement of the objects and the functions of the utility model more clear and easy to understand.
Referring to fig. 1, a road expansion joint structure disclosed by the utility model comprises a pair of symmetrically arranged section steel 1, a plurality of limiting strips 2 which are arranged on the bottom surface of the section steel 1 in a protruding manner and are arranged in parallel along the width direction of the expansion joint, a plurality of mounting openings 3 which are formed on the bottom surface of the section steel 1 and are used for mounting fasteners, a plurality of embedded ribs 4 and reinforcing ribs 5 which are arranged on the outer side surface of the section steel 1 and are arranged in a staggered manner along the length direction of the expansion joint, mounting grooves 6 formed on the inner side surface of the section steel 1, elastic pads 7 with two ends respectively embedded in the pair of mounting grooves 6, and a protection assembly 8 which is covered on the pair of section steel 1 and the elastic pads 7. Wherein, protection component 8 avoids the top and the bottom intercommunication of expansion joint through shielding the mode in clearance between shaped steel 1 and shaped steel 1, improves the protection to the expansion joint, prevents that the rubble from falling into the expansion joint in, avoids elastic pad 7 impaired.
Referring to fig. 1 and 2, the guard assembly 8 includes a fixing bar 81 provided on the top surface of the profile steel 1, a first guard plate 82 and a second guard plate 83 respectively hinged to the pair of fixing bars 81, a plurality of first guard teeth 84 provided on the side surfaces of the first guard plate 82 and arranged at intervals from each other in the length direction of the expansion joint, a bar-shaped chute 85 provided on the first guard teeth 84, a plurality of second guard teeth 86 provided on the side surfaces of the second guard plate 83 and slidably engaged with the first guard teeth 84, and a slide bar 87 provided on the second guard teeth 86 and slidably connected to the bar-shaped chute 85. The first guard plate 82 is arranged on the top surface of one section steel 1 and is overlapped with the top surface of the other section steel 1, the second guard plate 83 is arranged on the top surface of the other section steel 1, and the top surfaces of the fixing strips 81, the first guard plate 82 and the second guard plate 83 are flush. In addition, one end of the bar-shaped chute 85, which is close to the second guard plate 83, is bent and extended toward the section steel 1 side, penetrates through the first guard tooth 84, and the slide bar 87 is connected to the bar-shaped chute 85 in a rolling manner and can be separated in a rolling manner along the opening of the bar-shaped chute 85.
The profile steel 1 is arranged on two side walls of the expansion joint relatively, and is fixed on a road through the embedded ribs 4, meanwhile, the elastic pad 7 is embedded on the mounting groove 6 at two ends, the middle section is arranged between gaps of the profile steel 1, after the mounting is completed, the first guard board 82 is lapped on the profile steel 1 to shield the gaps between the elastic pad 7 and the profile steel 1, broken stone can be prevented from being sent into the expansion joint by a vehicle, the protection of the expansion joint is improved, the first guard teeth 84 and the second guard teeth 86 are controlled to mutually slide and plug into an engaged state, the protection function between the first guard board 82 and the second guard board 83 can be guaranteed, the sliding gaps reserved between the first guard teeth 84 and the second guard teeth 86 and the first guard board 82 can be used for compensating displacement generated in the expansion joint expansion process, the top and bottom intercommunication of expansion joint can be avoided, the protection effect of broken stone to the expansion joint can be further improved, the problem that the broken stone easily enters into the expansion joint and influences the service life of the expansion joint is solved, and the purpose of improving the protection and service life of the expansion joint is achieved. In addition, in the disassembly and assembly process of the section steel 1 and/or the elastic cushion 7, the first guard plate 82 and the second guard plate 83 are turned upwards, the sliding shaft sequentially passes through the strip-shaped sliding groove 85 and the opening thereof to separate from the first guard teeth 84, a gap between the section steel 1 is in an open state, corresponding disassembly and assembly and maintenance operations can be performed, then the opening of the strip-shaped groove is aligned with the sliding shaft, the sliding shaft slides into the strip-shaped groove until the first guard plate 82 and the second guard plate 83 are lapped on the top surface of the section steel 1, and the protection function is continuously played.
Referring to fig. 2, in order to secure the installation stability of the elastic pad 7 on the section steel 1, improve the structural strength of the elastic pad 7, and extend the service life thereof, the installation groove 6 includes a first rectangular groove 61 opened on the inner side surface of the section steel 1 and a second rectangular groove 62 connected to the first rectangular groove 61, a drop exists between the bottom walls of the first rectangular groove 61 and the second rectangular groove 62, and the side walls and the bottom walls of the first rectangular groove 61 are smoothly connected with the opening of the second rectangular groove 62 in a transitional manner. The elastic pad 7 includes a mounting bar 71 fitted on the mounting groove 6, a first deformation chamber 72 provided on the mounting bar 71 in the longitudinal direction and arranged in the first rectangular groove 61, a second deformation chamber 73 provided in the second rectangular groove 62, a positive V-shaped bar 74 provided between the pair of mounting bars 71, and inverted V-shaped bars 75 provided at both ends on both side inner walls of the positive V-shaped bar 74, respectively.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a road expansion joint structure, includes a pair of symmetrical shaped steel (1) of arranging, a plurality of set up in pre-buried muscle (4) of shaped steel (1) outside surface, set up in mounting groove (6) of the inboard surface of shaped steel (1) and both ends inlay respectively and locate elastic pad (7) on this pair of mounting groove (6), its characterized in that: the steel structure is characterized by further comprising a first guard plate (82) which is arranged on the top surface of one section steel (1) and is lapped on the top surface of the other section steel (1), a plurality of first guard teeth (84) which are arranged on the side surface of the first guard plate (82) and are arranged at intervals along the length direction of the expansion joint, a strip-shaped sliding groove (85) which is arranged on the first guard teeth (84), a second guard plate (83) which is arranged on the top surface of the other section steel (1), a plurality of second guard teeth (86) which are arranged on the side surface of the second guard plate (83) and are in sliding engagement with the first guard teeth (84), and sliding rods (87) which are arranged on the second guard teeth (86) and are in sliding connection with the strip-shaped sliding grooves (85).
2. A road expansion joint structure according to claim 1, characterized in that: one end of the strip-shaped chute (85) close to the second guard plate (83) bends towards one side of the section steel (1) and extends through the first guard teeth (84), and the sliding rod (87) is connected to the strip-shaped chute (85) in a rolling way and can be separated from the opening of the strip-shaped chute (85) in a rolling way.
3. A road expansion joint structure according to claim 2, characterized in that: the top surface of shaped steel (1) is provided with fixed strip (81), the outside surface of fixed strip (81) with the outside surface parallel and level of shaped steel (1), the inboard of this pair of fixed strip (81) respectively with first backplate (82) and second backplate (83) hinge.
4. A road expansion joint structure according to claim 3, characterized in that: the top surfaces of the fixing strip (81), the first guard plate (82) and the second guard plate (83) are flush.
5. A road expansion joint structure according to claim 1, characterized in that: the mounting groove (6) comprises a first rectangular groove (61) formed in the inner side surface of the profile steel (1) and a second rectangular groove (62) communicated with the first rectangular groove (61), a fall exists between the bottom walls of the first rectangular groove (61) and the second rectangular groove (62), the side wall and the bottom wall of the first rectangular groove (61) are in smooth transition connection with the opening of the second rectangular groove (62), and the elastic pad (7) comprises mounting strips (71) embedded in the mounting groove (6) and positive V-shaped strips (74) arranged between the pair of mounting strips (71).
6. The road expansion joint structure according to claim 5, wherein: the mounting strip (71) is provided with a first deformation cavity (72) arranged in the first rectangular groove (61) and a second deformation cavity (73) arranged in the second rectangular groove (62) along the length direction.
7. The road expansion joint structure according to claim 5, wherein: the elastic pad (7) also comprises inverted V-shaped strips (75) with two ends respectively arranged on the inner walls of the two sides of the positive V-shaped strip (74).
8. A road expansion joint structure according to claim 1, characterized in that: the bottom surface protrusion of shaped steel (1) is provided with a plurality of spacing bars (2), and these spacing bars (2) are arranged side by side along expansion joint width direction.
9. A road expansion joint structure according to claim 1, characterized in that: the bottom of the section steel (1) is provided with a plurality of mounting openings (3) for mounting fasteners.
10. A road expansion joint structure according to claim 1, characterized in that: the outer side surface of the section steel (1) is provided with a plurality of reinforcing ribs (5), and the embedded ribs (4) and the reinforcing ribs (5) are arranged in a staggered mode along the length direction of the expansion joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321148262.3U CN219862362U (en) | 2023-05-10 | 2023-05-10 | Road expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321148262.3U CN219862362U (en) | 2023-05-10 | 2023-05-10 | Road expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219862362U true CN219862362U (en) | 2023-10-20 |
Family
ID=88332774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321148262.3U Active CN219862362U (en) | 2023-05-10 | 2023-05-10 | Road expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219862362U (en) |
-
2023
- 2023-05-10 CN CN202321148262.3U patent/CN219862362U/en active Active
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