CN215629388U - Anchor recess forming device and box girder template - Google Patents
Anchor recess forming device and box girder template Download PDFInfo
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- CN215629388U CN215629388U CN202120371813.7U CN202120371813U CN215629388U CN 215629388 U CN215629388 U CN 215629388U CN 202120371813 U CN202120371813 U CN 202120371813U CN 215629388 U CN215629388 U CN 215629388U
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Abstract
The utility model relates to a construction engineering technical field especially relates to an anchor recess forming device and case roof beam template. The anchor recess forming device that this disclosure provided includes: the outer surface of the anchor recess mold core is provided with a groove, the groove extends along the circumferential direction of the anchor recess mold core, an elastic part is arranged in the groove, the elastic part is annular, and the elastic part protrudes out of the outer surface of the anchor recess mold core; the anchor recess mold core is provided with a plurality of first through holes and a plurality of second through holes, the first through holes are located in the area between the reserved hole inner mold and the groove, the second through holes are located in the area between the groove and the end mold, the first through holes correspond to the second through holes one by one, and metal wires respectively penetrate through the first through holes and the second through holes corresponding to the first through holes to fix the elastic piece and the anchor recess mold core, so that the elastic piece is not easy to fall off in the pouring process.
Description
Technical Field
The utility model relates to a construction engineering technical field especially relates to an anchor recess forming device and case roof beam template.
Background
The inside of case roof beam is hollow form, and there is the flange on upper portion both sides, similar case. In the present highway bridge, urban bridge and railway bridge, a prestressed concrete cast-in-place box girder is frequently used. And after the end mould is removed, pouring anchor sealing concrete into the anchor recess, and sealing the anchor. In order to enhance the anchor sealing effect, the outer surface of the anchor recess forming device is usually provided with an elastic member, so that a groove is formed after demolding to improve the connection strength of the anchor sealing concrete and the beam body concrete. The elastic part in the traditional anchor recess forming device is easy to fall off, and the deviation is easy to occur in the vibrating process of pouring concrete, so that the positions and the depths of concave grooves in the anchor recess are inconsistent.
Disclosure of Invention
In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides an anchor recess forming device and a box girder template.
The present disclosure provides in a first aspect an anchor recess forming device, including: one end of the anchor recess mold core is used for being connected with the reserved hole internal mold, the other end of the anchor recess mold core is used for being connected with the end mold, and the diameter of the anchor recess mold core is gradually increased along the direction from the reserved hole internal mold to the end mold;
the outer surface of the anchor recess mold core is provided with a groove, the groove extends along the circumferential direction of the anchor recess mold core, an elastic part is arranged in the groove, the elastic part is annular, and the elastic part protrudes out of the outer surface of the anchor recess mold core;
the anchor recess mold core is provided with a plurality of first through holes and a plurality of second through holes, the first through holes are located in the area between the reserved hole inner mold and the groove, the second through holes are located in the area between the groove and the end mold, the first through holes correspond to the second through holes one by one, and metal wires respectively penetrate through the first through holes and the second through holes corresponding to the first through holes to fix the elastic piece and the anchor recess mold core.
Furthermore, the first through holes are uniformly arranged along the circumferential direction of the anchor recess mold core at intervals;
and the second through holes are uniformly arranged along the circumferential direction of the anchor recess mold core at intervals.
Furthermore, a first gap is arranged between the metal wire and the outer surface of the anchor recess mold core, and the first gap is positioned between the first through hole and the elastic piece.
Furthermore, a second gap is arranged between the metal wire and the outer surface of the anchor recess mold core, and the second gap is located between the second through hole and the elastic piece.
Furthermore, a plurality of grooves are formed in the outer surface of the anchor recess mold core, the grooves are arranged at intervals along the axial direction of the anchor recess mold core, and the elastic piece is arranged in each groove.
Furthermore, the elastic part is a rubber ring, and the cross section of the rubber ring is circular.
Further, the depth of the groove is smaller than the diameter of the section of the rubber ring.
Furthermore, the cross section of the groove is rectangular, and the elastic piece is matched with the groove.
Furthermore, the groove is trapezoidal in cross section, and the lower bottom edge of the trapezoid is located on the bottom wall of the groove.
The second aspect of the disclosure provides a box girder template, which comprises the anchor recess forming device.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the anchor recess forming device that this disclosed embodiment provided includes: the anchor recess forming device comprises an anchor recess mold core, wherein a groove is formed in the outer surface of the anchor recess mold core, the groove extends along the circumferential direction of the anchor recess mold core, an elastic part is arranged in the groove, the elastic part is annular and protrudes out of the outer surface of the anchor recess mold core, the elastic part enables the anchor recess forming device to automatically form an annular concave part in an anchor recess, and the concave part can enhance the bonding strength of anchor sealing concrete and concrete on a beam body and enables the durability of a prestress system to be effectively guaranteed. The anchor recess mold core is provided with a plurality of first through holes and a plurality of second through holes, the first through holes are all located in the area between the reserved hole inner mold and the groove, the second through holes are all located in the area between the groove and the end mold, the first through holes correspond to the second through holes one to one, the metal wires respectively penetrate through the first through holes and the second through holes corresponding to the first through holes to fix the elastic piece and the anchor recess mold core, and the elastic piece is not prone to falling off in the pouring process. In the process of pouring concrete and vibrating, the possibility of deviation of the elastic part can be reduced, and the position and the depth of the concave groove in the anchor recess are consistent.
After the body casting is completed, part of the metal wires can be left in the beam body concrete. After the anchor sealing is finished, the metal wires in the anchor recess mold core are left in the anchor sealing concrete, so that the connection strength of the anchor sealing concrete and the beam body concrete is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an anchor recess forming device according to an embodiment of the present disclosure;
FIG. 2 is a schematic side view of an anchor recess forming device according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of an anchor recess forming device according to an embodiment of the present disclosure;
fig. 4 is a schematic cross-sectional structural view of a second anchor recess forming device according to an embodiment of the present disclosure.
Reference numerals: 1-anchor recess mold core; 2-the outer surface of the anchor recess mold core; 3-an elastic member; 4-a first via; 5-a second via; 6-wire.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Referring to fig. 1, 2, 3 and 4, an anchor recess forming device provided by an embodiment of the present disclosure includes: one end of the anchor recess mold core 1 is used for being connected with the reserved hole internal mold, the other end of the anchor recess mold core 1 is used for being connected with the end mold, and the diameter of the anchor recess mold core 1 is gradually increased along the direction from the reserved hole internal mold to the end mold; anchor recess mold core surface 2 is equipped with the recess, and the recess extends along anchor recess mold core 1's circumference, is equipped with elastic component 3 in the recess, and elastic component 3 is the annular, and elastic component 3 protrusion in anchor recess mold core 1's surface, and elastic component 3 makes anchor recess forming device automatic generation annular depressed part in the anchor recess, and the depressed part can strengthen the bonding strength of sealing anchor concrete and concrete on the roof beam body to make the durability of prestressing force system obtain effectual guarantee. The elastic part 3 can facilitate the removal of the anchor recess mold core 1 through self deformation. Be equipped with a plurality of first through-holes 4 and a plurality of second through-hole 5 on anchor cave mold core 1, a plurality of first through-holes 4 all are located the region between reserved pore centre form and the recess, a plurality of second through-holes 5 all are located the region between recess and the end mould, first through-hole 4 and second through-hole 5 one-to-one, wire 6 passes first through-hole 4 respectively and fixes elastic component 3 and anchor cave mold core 1 with second through-hole 5 corresponding with first through-hole 4, it is concrete to fix elastic component 3 on anchor cave forming device to pass through 6 ligatures of wire, make elastic component 3 be difficult to drop at the in-process of pouring, at the concrete pouring in-process of vibrating, can reduce the possibility that elastic component 3 takes place the off normal, make anchor cave trench position and degree of depth unanimous. After the beam is cast, part of the wires 6 may be left in the beam concrete. After the anchor sealing is finished, the metal wire 6 in the anchor recess mold core 1 is left in the anchor sealing concrete, so that the connection strength of the anchor sealing concrete and the beam body concrete is improved.
The metal wire 6 may be an iron wire, a steel wire, or the like.
The diameter of the end part of the anchor recess mold core 1 used for being connected with the reserved hole inner mold is smaller than that of the end part used for being connected with the end mold, so that grouting and anchor sealing are facilitated.
The first through-hole 4 and the second through-hole 5 may be phi 3mm holes.
In some specific embodiments, the first through holes 4 are uniformly arranged along the circumference of the anchor recess mold core 1 at intervals; the second through holes 5 are uniformly arranged along the circumferential direction of the anchor recess mold core 1 at intervals. Simultaneously, the iron wire also sets up a plurality ofly, and an iron wire passes first through-hole 4 and second through-hole 5 respectively and fixes elastic component 3. The first through hole 4 and the second through hole 5 are respectively provided with a plurality of through holes, so that the possibility of deviation of the elastic element 3 can be reduced,
in some specific embodiments, a first gap is formed between the metal wire 6 and the outer surface 2 of the anchor recess mold core, and the first gap is located between the first through hole 4 and the elastic member 3, so that the metal wire 6 located on the outer surface 2 of the anchor recess mold core can be coated by the beam body concrete, and the connection strength of the anchor sealing concrete and the beam body concrete can be improved.
In some specific embodiments, a second gap is formed between the metal wire 6 and the outer surface 2 of the anchor recess mold core, and the second gap is located between the second through hole 5 and the elastic member 3, so that the metal wire 6 located on the outer surface 2 of the anchor recess mold core can be covered by the beam body concrete, and the connection strength of the anchor sealing concrete and the beam body concrete can be improved.
In some specific embodiments, the outer surface 2 of the anchor recess mold core is provided with a plurality of grooves, the plurality of grooves are arranged at intervals along the axial direction of the anchor recess mold core 1, each groove is internally provided with an elastic piece 3, and a concave part is formed at each elastic piece 3, so that the connection strength of the anchor sealing concrete and the beam body concrete can be improved.
In some specific embodiments, the depth of the groove is less than the diameter of the section of the rubber ring, so that a concave part is formed on the beam after the beam concrete is poured, the bonding strength between the anchor sealing concrete and the concrete on the beam is enhanced, and the durability of the prestressed system is effectively guaranteed.
In some specific embodiments, the cross section of the groove is rectangular, and the elastic part 3 is matched with the groove, so that the elastic part 3 is not easy to fall off, and in the concrete pouring and vibrating process, the possibility of deviation of the elastic part 3 can be reduced, and the groove in the anchor recess is consistent in position and depth.
As shown in fig. 4, the cross section of the groove is trapezoidal, the lower bottom edge of the trapezoid is positioned on the bottom wall of the groove, so that the elastic part 3 is not easy to fall off, the possibility of deviation of the elastic part 3 can be reduced in the concrete pouring and vibrating process, and the groove position and the depth in the anchor recess are consistent.
The box girder template provided by the embodiment of the disclosure comprises a bottom template, two side templates, two end templates, an inner template and an anchor recess forming device. The box girder template has the same advantages as the anchor recess forming device, and the description is omitted.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. 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 disclosure. Thus, the present disclosure 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. An anchor recess forming device, comprising: the anchor recess die core (1), one end of the said anchor recess die core (1) is used for connecting with the internal mold of the reserved hole, another end is used for connecting with end mould, along preserving the direction from the internal mold of the hole to said end mould, the diameter of the said anchor recess die core (1) is increased gradually;
the outer surface (2) of the anchor recess mold core is provided with a groove, the groove extends along the circumferential direction of the anchor recess mold core (1), an elastic part (3) is arranged in the groove, the elastic part (3) is annular, and the elastic part (3) protrudes out of the outer surface of the anchor recess mold core (1);
the anchor recess die core is characterized in that a plurality of first through holes (4) and a plurality of second through holes (5) are formed in the anchor recess die core (1), the first through holes (4) are located in the area between the reserved hole inner die and the groove, the second through holes (5) are located in the area between the groove and the end die, the first through holes (4) are in one-to-one correspondence with the second through holes (5), and metal wires (6) penetrate through the first through holes (4) and the second through holes (5) corresponding to the first through holes (4) respectively to fix the elastic piece (3) and the anchor recess die core (1).
2. An anchor recess forming device as claimed in claim 1, wherein a plurality of said first through holes (4) are uniformly spaced circumferentially along said anchor recess core (1);
the second through holes (5) are uniformly arranged along the circumferential direction of the anchor recess mold core (1) at intervals.
3. An anchor recess forming device according to claim 1, wherein a first gap is provided between the wire (6) and the anchor recess core outer surface (2), and the first gap is located between the first through hole (4) and the elastic member (3).
4. An anchor recess forming device according to claim 1, wherein a second clearance is provided between the wire (6) and the anchor recess core outer surface (2), and wherein the second clearance is located between the second through hole (5) and the resilient member (3).
5. An anchor recess forming device as claimed in claim 1, wherein said outer surface (2) of said anchor recess core is provided with a plurality of grooves spaced axially along said anchor recess core (1), each of said grooves being provided with said resilient member (3) therein.
6. An anchor recess forming device according to claim 1, wherein said elastic member (3) is a rubber ring having a circular cross-section.
7. An anchor recess forming device as claimed in claim 6, wherein the depth of said recess is less than the diameter of the cross-section of said rubber ring.
8. An anchor recess forming device according to claim 1, wherein said recess is rectangular in cross-section and said resilient member (3) is adapted to fit into said recess.
9. An anchor recess forming device as defined in claim 1, wherein said recess is trapezoidal in cross-section, and a lower base of said trapezoidal shape is located at a bottom wall of said recess.
10. A box girder formwork comprising the anchor recess forming apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120371813.7U CN215629388U (en) | 2021-02-08 | 2021-02-08 | Anchor recess forming device and box girder template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120371813.7U CN215629388U (en) | 2021-02-08 | 2021-02-08 | Anchor recess forming device and box girder template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629388U true CN215629388U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120371813.7U Active CN215629388U (en) | 2021-02-08 | 2021-02-08 | Anchor recess forming device and box girder template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629388U (en) |
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2021
- 2021-02-08 CN CN202120371813.7U patent/CN215629388U/en active Active
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