CN218893983U - Device suitable for quick chisel of bridge expansion joint post-cast strip removes - Google Patents
Device suitable for quick chisel of bridge expansion joint post-cast strip removes Download PDFInfo
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- CN218893983U CN218893983U CN202320039297.7U CN202320039297U CN218893983U CN 218893983 U CN218893983 U CN 218893983U CN 202320039297 U CN202320039297 U CN 202320039297U CN 218893983 U CN218893983 U CN 218893983U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The utility model discloses a device suitable for quick chisel of bridge expansion joint post-cast strip removes relates to bridge engineering technical field, include: bridge body; the bridge deck pavement layer is arranged on the upper end face of the bridge girder body; the bridge expansion joint is arranged between bridge girder bodies; post-cast strip concrete is arranged on the upper end face of the bridge girder body and paved at the bridge expansion joint, and a groove is formed in the position of the post-cast strip concrete at the bridge expansion joint. The beneficial effects of the utility model are that: the wedge-shaped body is directly placed in a concrete drilling hole through the chiseling mechanism, the large hammer is used for hammering the semicircular cone, two sides of the wedge-shaped body move, post-cast strip concrete is extruded, the post-cast strip concrete is split into blocks, the chiseling efficiency is high, and the operation is simple; through concrete drilling, realize that usable chargeable electric drill is under construction, can accomplish bridge expansion joint post-cast strip chisel under the condition that no removable power is gone into and remove, the device is low to construction condition requirement, and application scope is wide.
Description
Technical Field
The utility model relates to a bridge engineering technical field specifically relates to a device suitable for quick chisel of bridge expansion joint post-cast strip removes.
Background
The service life of the bridge expansion joint is generally 15-20 years, the expansion joint needs to be semi-closed or fully-closed for road traffic in the replacement process of the expansion joint, and the influence on the existing traffic is large, wherein the bridge post-cast strip concrete is generally C50 concrete or C50 steel fiber concrete, the air pick is usually adopted for chiseling in the chiseling process, the chiseling efficiency is low, the chiseling period is long, and the requirement of quickly recovering the traffic of a closed line cannot be met.
Aiming at the requirement of the existing bridge expansion joint replacement construction process on quick chiseling of post-cast strip concrete, a device capable of meeting the requirements of quick chiseling of the bridge expansion joint and construction safety and economy is needed.
Disclosure of Invention
The utility model aims at overcoming the defect of the prior art, providing a device suitable for quick chisel of bridge expansion joint post-cast strip removes.
In a first aspect, the present disclosure provides a device for quick chiseling of post-cast strip of bridge expansion joints, a bridge girder laid along a bridge direction, including;
the bridge deck pavement layer is arranged on the upper end face of the bridge girder body;
the bridge expansion joint is arranged between bridge girder bodies;
post-cast strip concrete is arranged on the upper end face of the bridge girder body and paved at the bridge expansion joint, and a groove is formed in the position of the post-cast strip concrete at the bridge expansion joint;
the concrete drilling hole is formed in the upper end face of the post-cast strip concrete;
the chiseling mechanism is arranged in the concrete drilling hole and used for splitting and dismantling the post-cast strip concrete.
Further, the chisel mechanism includes two wedges and a half cone;
two wedges disposed within the concrete borehole, and;
the semicircle cone is arranged inside the two wedge bodies.
Further, the two wedge narrow faces are inserted into the concrete drilling holes, a gap is reserved between the wedge narrow faces, the other side of the wedge narrow faces is attached to the inner walls of the concrete drilling holes, and the semicircular cone is inserted into the reserved gap, and the width of the semicircular cone is larger than the reserved gap.
Further, the wedge is longer than the concrete drilling depth, and the semicircle cone is longer than the wedge.
Further, be provided with the expansion joint steel sheet between the bridge expansion joint, the expansion joint steel sheet sets up two at least, sets up respectively on the bridge roof beam body of bridge expansion joint both sides, the expansion joint steel sheet sets up in the recess that post-cast strip concrete was seted up inside.
Further, one end of each expansion joint steel plate, which is connected with each other, is comb-tooth-shaped and meshed with each other.
Further, the upper end face of the expansion joint steel plate is provided with a screw hole, a pre-buried nut is arranged at the position corresponding to the post-cast strip concrete, a bolt is arranged in the screw hole, and the bolt is inserted into the pre-buried nut from top to bottom.
Further, an expansion joint rubber water stop is arranged between the lower end face of the expansion joint steel plate and the post-cast strip concrete, and the expansion joint rubber water stop covers the bridge expansion joint.
Further, the bridge deck pavement layer, the post-cast strip concrete and the expansion joint steel plates are all arranged on the same horizontal plane.
Further, the bridge beam body is internally provided with existing bridge structural steel bars and is inserted into post-cast strip concrete.
Compared with the prior art, the utility model has the following advantages: the wedge-shaped body is directly placed in a concrete drilling hole through the chiseling mechanism, the large hammer is used for hammering the semicircular cone, two sides of the wedge-shaped body move, post-cast strip concrete is extruded, the post-cast strip concrete is split into blocks, the chiseling efficiency is high, and the operation is simple; through concrete drilling, realize that usable chargeable electric drill is under construction, can accomplish bridge expansion joint post-cast strip chisel under the condition that no removable power is gone into and remove, the device is low to construction condition requirement, and application scope is wide.
Drawings
Fig. 1 is a schematic diagram of a front cross-section of the bridge expansion joint post-cast strip rapid chiseling device.
Fig. 2 is a schematic diagram of a front cross-sectional view of the bridge expansion joint after the bridge expansion joint is removed.
In the figure:
1. bridge body;
2. a bridge deck pavement layer;
3. post-cast strip concrete;
4. bridge expansion joints; 41. an expansion joint steel plate; 42. an expansion joint rubber water stop; 43. embedding nuts; 44. existing bridge structure steel bars;
5. drilling a concrete hole;
6. a chisel removal mechanism; 61. a wedge; 62. a semi-cone.
Detailed Description
Reference will now be made in detail to the present embodiments of the utility model, examples of which are illustrated in the accompanying drawings. While the utility model will be described in conjunction with the specific embodiments, it will be understood that it is not intended to limit the utility model to the described embodiments. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the utility model as defined by the appended claims. It should be noted that the method steps described herein may be implemented by any functional block or arrangement of functions, and any functional block or arrangement of functions may be implemented as a physical entity or a logical entity, or a combination of both.
In order that those skilled in the art will better understand the present utility model, the following description will be made in detail with reference to the accompanying drawings and detailed description.
Note that: the examples to be described below are only one specific example, and not as limiting the embodiments of the present utility model must be the following specific steps, values, conditions, data, sequences, etc. Those skilled in the art can, upon reading the present specification, make and use the concepts of the present utility model to construct additional embodiments not described in the present specification.
The service life of the bridge expansion joint is generally 15-20 years, the expansion joint needs to be semi-closed or fully-closed for road traffic in the replacement process of the expansion joint, and the influence on the existing traffic is large, wherein the bridge post-cast strip concrete is generally C50 concrete or C50 steel fiber concrete, the air pick is usually adopted for chiseling in the chiseling process, the chiseling efficiency is low, the chiseling period is long, and the requirement of quickly recovering the traffic of a closed line cannot be met.
In order to solve the above-mentioned problems of the post-cast strip of the bridge expansion joint, the device for rapidly chiseling the post-cast strip of the bridge expansion joint according to the present utility model, in this embodiment, please refer to fig. 1-2, a bridge body 1 laid along a bridge direction includes;
the bridge deck pavement layer 2 is arranged on the upper end face of the bridge girder body 1;
the bridge expansion joint 4 is arranged between the bridge girder bodies 1;
post-cast strip concrete 3, set up in the upper end of bridge beam 1, and lay to the bridge expansion joint 4, the post-cast strip concrete 3 locates and opens the recess in the position of the bridge expansion joint 4;
the concrete drilling hole 5 is formed in the upper end face of the post-cast strip concrete 3;
and the chiseling mechanism 6 is arranged in the concrete drilling hole 5 and is used for splitting and removing the post-cast strip concrete 3.
The chiseling mechanism 6 comprises two wedges 61 and a half cone 62;
two wedges 61 arranged in the concrete borehole 5, and;
a half cone 62 is provided inside the two wedges 61.
The narrow faces of the two wedge-shaped bodies 61 are inserted into the concrete drilling holes 5, a gap is reserved between the two wedge-shaped bodies, the other sides of the wedge-shaped bodies are attached to the inner wall of the concrete drilling holes 5, and the semicircular cone 62 is inserted into the reserved gap and is wider than the reserved gap.
The length of the wedge 61 is greater than the depth of the concrete borehole 5, and the length of the half cone 62 is greater than the length of the wedge 61;
in the application, as the post-cast strip concrete 3 is provided with a plurality of concrete drilling holes 5, the wedge-shaped bodies 61 can be inserted into the concrete drilling holes 5, and the two wedge-shaped bodies 61 are attached to the concrete drilling holes 5 with a gap left between, the semicircle cone 62 is put between the two wedge-shaped bodies 61, and the semicircle cone 62 is beaten, so that the two wedge-shaped bodies 61 are pushed, the two wedge-shaped bodies 61 squeeze the post-cast strip concrete 3, and the whole post-cast strip concrete 3 is split into a plurality of small blocks;
in another possible embodiment, the wedge 61 and the half cone 62 are composed of solid wedge 61 iron pieces and solid half cone 62 iron pieces, so that the post-cast strip concrete 3 is easier to split when the post-cast strip concrete 3 is extruded;
in another possible embodiment, the entire width of the wedge 61 is larger than the concrete borehole 5, and the entire width of the half cone 62 is larger than the wedge 61 or the concrete borehole 5, so as to prevent the width of the extrusion from being insufficient after the entire wedge 61 is hammered into the concrete borehole 5, and prevent the half cone 62 from being unable to extrude the wedge 61;
in another possible embodiment, the wedge 61 is provided with a bump on one side of the concrete borehole 5, the bump is of conical design, which facilitates the wedge 61 to be inserted into the concrete borehole 5 for fixing and the post-cast strip concrete 3 to be split.
In this embodiment, an expansion joint steel plate 41 is disposed between the bridge expansion joints 4, at least two expansion joint steel plates 41 are disposed, the expansion joint steel plates 41 are disposed on the bridge beam bodies 1 on two sides of the bridge expansion joints 4, and the expansion joint steel plates 41 are disposed inside grooves formed in the post-cast strip concrete 3.
One end of each expansion joint steel plate 41 connected with each other is comb-shaped and meshed with each other.
Screw holes are formed in the upper end faces of the expansion joint steel plates 41, embedded nuts 43 are arranged at positions corresponding to the post-cast strip concrete 3, bolts are arranged in the screw holes, and the bolts are inserted into the embedded nuts 43 from top to bottom.
An expansion joint rubber water stop 42 is arranged between the lower end surface of the expansion joint steel plate 41 and the post-cast strip concrete 3, and the expansion joint rubber water stop 42 covers the bridge expansion joint 4;
in the application, the bridge girder body 1 is provided with expansion joint steel plates 41 which are respectively arranged at two sides of a bridge expansion joint 4, the two expansion joint steel plates 41 are mutually meshed in a comb shape, and the two expansion joint steel plates 41 are respectively fixed on the corresponding bridge girder body 1 through structures such as bolts;
an expansion joint rubber water stop belt 42 is arranged below the expansion joint steel plate 41, and the expansion joint rubber water stop belt 42 covers the bridge expansion joint 4 to prevent water flow from flowing in;
in another possible implementation manner, a limiting mechanism is adopted between the comb teeth on one side of the two expansion joint steel plates 41, for example, a limiting block is conveniently and fixedly connected with the inner wall of the comb teeth at the farthest distance, and an adaptive limiting groove is formed in the inner wall, so that the two expansion joint steel plates 41 are prevented from being separated;
in another possible embodiment, since the expansion joint steel plate 41 is provided with a screw hole, the inner wall is provided with a bolt, and the rubber plug is inserted into the screw hole, the bolt can be protected, and the embroidering condition is slowed down.
The bridge deck pavement layer 2, the post-cast strip concrete 3 and the expansion joint steel plate 41 are all arranged on the same horizontal plane, so that the bridge deck pavement layer is more convenient to use in the follow-up use, and the occurrence of the protruding condition is prevented.
The bridge girder body 1 is internally provided with existing bridge structural steel bars 44 and is inserted into post-cast strip concrete 3; the post-cast strip concrete 3 and the bridge girder body 1 are more stable, and the prestressed effect is better.
When the utility model is used, the following steps are: firstly, a worker removes the expansion joint steel plate 41 from the post-cast strip concrete 3 and removes the expansion joint rubber water stop 42;
then two wedge bodies 61 are attached to one side of the post-cast strip concrete 3 and are inserted, the positions of the two wedge bodies 61 correspond to each other, a gap is reserved between the two wedge bodies, then a half cone 62 is inserted into the gap, a tool is used for hammering the half cone 62, so that the half cone 62 moves downwards, the two wedge bodies 61 are pushed, the wedge bodies 61 squeeze the post-cast strip concrete 3, the post-cast strip concrete 3 is cracked, and the post-cast strip concrete 3 is split into blocks.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in this application will be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely exemplary of embodiments of the present utility model to enable those skilled in the art to understand or practice the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The device suitable for rapid chiseling of post-pouring strips of bridge expansion joints is characterized by comprising a bridge girder body (1) paved along the bridge direction;
the bridge deck pavement layer (2) is arranged on the upper end face of the bridge girder body (1);
the bridge expansion joint (4) is arranged between the bridge girder bodies (1);
the post-cast strip concrete (3) is arranged on the upper end face of the bridge girder body (1) and paved at the bridge expansion joint (4), and a groove is formed in the position, located at the bridge expansion joint (4), of the post-cast strip concrete (3);
a concrete drilling hole (5) which is arranged on the upper end surface of the post-cast strip concrete (3);
the chiseling mechanism (6) is arranged in the concrete drilling hole (5) and is used for splitting and removing the post-cast strip concrete (3).
2. A device for quick chiseling of post-cast strip for bridge expansion joints (4) according to claim 1, characterized in that the chiseling mechanism (6) comprises two wedges (61) and a half cone (62);
two wedges (61) arranged in the concrete borehole (5), and;
a half cone (62) is arranged inside the two wedges (61).
3. A device for quick chiseling of post-cast strip for bridge expansion joints (4) according to claim 2, wherein the two wedge-shaped bodies (61) are inserted into the concrete holes (5) with a gap left between them, the other side is attached to the inner wall of the concrete holes (5), and the semi-circular cone (62) is inserted into the gap left and has a width larger than the gap left.
4. A device for quick chiseling of post-cast strip for bridge expansion joints (4) according to claim 3, characterized in that the length of the wedge (61) is greater than the depth of the concrete borehole (5) and the length of the semi-cone (62) is greater than the length of the wedge (61).
5. The device for quickly chiseling the post-cast strip of the bridge expansion joint (4) according to claim 1, wherein expansion joint steel plates (41) are arranged between the bridge expansion joints (4), the expansion joint steel plates (41) are at least two and are respectively arranged on bridge girder bodies (1) at two sides of the bridge expansion joint (4), and the expansion joint steel plates (41) are arranged in grooves formed in the post-cast strip concrete (3).
6. A device for rapid chiseling of post-cast strip for bridge expansion joints (4) according to claim 5, wherein the two expansion joint steel plates (41) are connected with each other in a comb-tooth shape at one end and are meshed with each other.
7. The device for quickly chiseling the post-cast strip of the bridge expansion joint (4) according to claim 5, wherein a screw hole is formed in the upper end face of the expansion joint steel plate (41), an embedded nut (43) is arranged at a position corresponding to the post-cast strip concrete (3), a bolt is arranged in the screw hole, and the bolt is inserted into the embedded nut (43) from top to bottom.
8. The device for quickly chiseling the post-cast strip of the bridge expansion joint (4) according to claim 5, wherein an expansion joint rubber water stop (42) is arranged between the lower end surface of the expansion joint steel plate (41) and the post-cast strip concrete (3), and the expansion joint rubber water stop (42) covers the bridge expansion joint (4).
9. The device for quickly chiseling the post-cast strip of the bridge expansion joint (4) according to claim 8, wherein the bridge deck pavement layer (2), the post-cast strip concrete (3) and the expansion joint steel plate (41) are all arranged on the same horizontal plane.
10. The device for quickly chiseling the post-cast strip of the bridge expansion joint (4) according to claim 1, wherein the bridge girder body (1) is internally provided with the existing bridge structural steel bars (44) and is inserted into the post-cast strip concrete (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320039297.7U CN218893983U (en) | 2023-01-07 | 2023-01-07 | Device suitable for quick chisel of bridge expansion joint post-cast strip removes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320039297.7U CN218893983U (en) | 2023-01-07 | 2023-01-07 | Device suitable for quick chisel of bridge expansion joint post-cast strip removes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218893983U true CN218893983U (en) | 2023-04-21 |
Family
ID=86000027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320039297.7U Active CN218893983U (en) | 2023-01-07 | 2023-01-07 | Device suitable for quick chisel of bridge expansion joint post-cast strip removes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218893983U (en) |
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2023
- 2023-01-07 CN CN202320039297.7U patent/CN218893983U/en active Active
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