CN212294386U - Temporary tower for bridge cantilever construction - Google Patents
Temporary tower for bridge cantilever construction Download PDFInfo
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- CN212294386U CN212294386U CN201922485484.4U CN201922485484U CN212294386U CN 212294386 U CN212294386 U CN 212294386U CN 201922485484 U CN201922485484 U CN 201922485484U CN 212294386 U CN212294386 U CN 212294386U
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- tower
- platform
- operation platform
- supporting beam
- cantilever construction
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Abstract
The utility model belongs to the technical field of the bridge construction, especially, relate to a bridge cantilever construction is with interim pylon. The fixed top that sets up at the body of the tower of steel anchor case of this interim pylon, first operation platform, second operation platform and connecting platform are all prefabricated to be set up, the horizontal outside of first supporting beam and the horizontal outside of second supporting beam all are provided with a first operation platform, every first operation platform's the outside all is provided with the guardrail, the vertical both sides of steel anchor case all are provided with a second operation platform, every second operation platform's the outside all is provided with the guardrail, two second operation platform's middle part is passed through connecting platform and is connected, connecting platform's both sides all are provided with the guardrail, first operation platform, second operation platform and connecting platform all fix on the top of the body of the tower through the prefabricated anchor structure that corresponds. The utility model discloses an interim pylon is used in bridge cantilever construction, the installation is swift, and the security is higher.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, especially, relate to a bridge cantilever construction is with interim pylon.
Background
In the suspension casting construction of a bridge in a large-span arch bridge form, in order to ensure the casting quality of a box girder in the casting process and prevent concrete from cracking, a prestressed steel strand is adopted for prestressed tensioning before the box girder is closed, and the fixed end of the prestressed steel strand is arranged on a temporary locking tower.
In the prior art, the construction process of prestressed steel strands is mature as a stress bearing method in a construction stage, but an operation platform on a temporary tower frame in the current stage is mostly erected temporarily through a scaffold, the erection reasonability of the operation platform is usually insufficient, and the safety risk is high, so that the prior art needs to be improved.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a bridge cantilever construction is with interim pylon to solve among the prior art operation platform on the interim pylon and set up the technical problem who causes temporarily through the scaffold frame more.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a temporary tower for bridge cantilever construction, the temporary tower comprising:
a tower body;
the steel anchor box is fixedly arranged at the top of the tower body and comprises a first supporting beam, a second supporting beam and a connecting beam, the first supporting beam and the second supporting beam are transversely and oppositely arranged at the top of the tower body, and the top of the first supporting beam is connected with the top of the second supporting beam through the connecting beam;
first operation platform, second operation platform and connection platform, first operation platform second operation platform and connection platform all prefabricate the setting, the horizontal outside of first supporting beam with the horizontal outside of a second supporting beam all is provided with one first operation platform, every first operation platform's the outside all is provided with the guardrail, the vertical both sides of steel anchor case all are provided with one second operation platform, every second operation platform's the outside all is provided with the guardrail, two second operation platform's middle part passes through connection platform connects, connection platform's both sides all are provided with the guardrail, first operation platform second operation platform and connection platform all fixes through the prefabricated anchor structure that corresponds on the top of body of the tower.
Further, each anchoring structure comprises a plurality of distribution beams and a plurality of brackets, the distribution beams are fixedly arranged at the bottom of the corresponding platform at intervals, the distribution beams are supported by the brackets, and the brackets are fixedly arranged on the tower body.
Optionally, a plurality of the distribution beams are fixedly arranged at the bottom of the corresponding platform at intervals by welding or/and screw connection.
Further, in each of the anchoring structures, the plurality of distribution beams are supported by two of the brackets, and the two brackets are symmetrically arranged with a center line of the platform corresponding to the anchoring structure as a center.
Further, every the bracket all includes bracing piece and connecting rod, the bracing piece vertical fixation sets up a plurality ofly the bottom of distributive girder, the inner fixed connection of bracing piece is in on the body of the tower, the one end of connecting rod is fixed to be set up the outer end bottom of bracing piece, the other end of connecting rod is located the one end below of connecting rod, the other end fixed connection of connecting rod is in on the body of the tower.
Optionally, the support rod is welded or/and screwed to the bottom of the distribution beam, the inner end of the support beam is welded or/and screwed to the tower body, one end of the connecting rod is welded or/and screwed to the bottom of the outer end of the support rod, and the other end of the connecting rod is welded or/and screwed to the tower body.
Further, the temporary tower further comprises first crawling ladders, and the first crawling ladders are arranged on two longitudinal sides of each supporting beam.
Further, the first ladder stand is a prefabricated member.
Furthermore, every first cat ladder all includes two vertical poles, heel brace and guard ring, two the vertical pole is fixed to be set up the vertical lateral part of a supporting beam, two connect through a plurality of the heel brace between the vertical pole, the guard ring is semicircle form, the both ends of guard ring are fixed connection respectively on two vertical pole.
Furthermore, a second ladder stand is further arranged on the tower body and extends from the bottom of the tower body to the top of the tower body.
The utility model has the advantages that:
through the utility model discloses a bridge cantilever construction is with interim pylon, because the body of the tower that constitutes interim pylon and steel anchor case are the shaping product, can have enough to meet the need the use, and first operation platform, second operation platform and the connection platform on the interim pylon are prefabricated product, and all install on the body of the tower through prefabricated anchor structure, install it on the body of the tower when direct assembly can, the installation is swift, compare in the scaffold frame of temporarily setting up, the security is higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a temporary tower for bridge cantilever construction according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the steel anchor box in fig. 1.
Fig. 3 is an enlarged schematic view of a point a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is the utility model discloses a bridge cantilever construction is with interim pylon's structural schematic diagram combines fig. 1, and this interim pylon includes body of a tower 1, steel anchor case 2 and is used for the platform of construction.
Fig. 2 is the schematic structural diagram of the steel anchor box in fig. 1, and with reference to fig. 1 and fig. 2, in the embodiment of the present invention, the steel anchor box 2 is used to fix the prestressed steel strand, which is fixedly disposed at the top of the tower body 1. The utility model discloses steel anchor case 2 includes first supporting beam 2.1, a second supporting beam 2.2 and tie-beam 2.3, and first supporting beam 2.1 and a second supporting beam 2.2 set up at the top of body of the tower 1 along horizontal relatively, and tie-beam 2.3 is passed through at the top of first supporting beam 2.1 and a second supporting beam 2.2's top and is connected.
The embodiment of the utility model provides an in, body of the tower and steel anchor case are the shaping product, can have enough to meet the need the use, and its installation is also convenient and fast.
Referring to fig. 1, in the embodiment of the present invention, the platform for construction includes a first operation platform 3, a second operation platform 4 and a connection platform 5, the first operation platform 3, second operation platform 4 and connecting platform 5 all prefabricate the setting, the horizontal outside of first supporting beam 2.1 and the horizontal outside of second supporting beam 2.2 all are provided with a first operation platform 3, the outside of every first operation platform 3 all is provided with guardrail 6, the vertical both sides of steel anchor case 2 all are provided with a second operation platform 4, the outside of every second operation platform 4 all is provided with guardrail 6, the middle part of two second operation platforms 4 is passed through connecting platform 5 and is connected, connecting platform 5's both sides all are provided with guardrail 6, first operation platform 3, second operation platform 4 and connecting platform 5 all fix on the top of body of the tower 1 through the prefabricated anchor structure that corresponds.
The embodiment of the utility model provides an in, because first operation platform 3, second operation platform 4 and connecting platform 5 on the interim pylon are prefabricated product, and all install on tower body 1 through prefabricated anchor structure, when installing it on tower body 1 direct assembly can, the installation is swift, compares in the scaffold frame of temporarily setting up, and the security is higher, and the security when guardrail 6 sets up also can improve the construction, has fine practicality.
Moreover, the platform can form a Chinese character 'ri', the platform can walk on the platform, and construction operation on different parts of the steel anchor box is facilitated.
The embodiment of the utility model provides an in, every anchor structure all includes a plurality of distributive girders 7 and a plurality of bracket 8, and a plurality of distributive girders 7 intervals are fixed to be set up in the bottom of the platform that corresponds, and a plurality of distributive girders 7 support through a plurality of brackets, and a plurality of brackets are fixed to be set up on body of the tower 1.
The embodiment of the utility model provides an in, a plurality of distributive girders 7 can be through the fixed bottom that sets up at the platform that corresponds in welded mode interval, of course, also can adopt bolted connection's mode, the embodiment of the utility model provides a do not limit to this.
Further, in each anchoring structure, a plurality of distributing beams 7 are supported by two brackets 8, and the two brackets 8 are symmetrically arranged with the center line of the platform corresponding to the anchoring structure as the center, so that the balance of the distributing beams 7 can be ensured.
Fig. 3 is an enlarged schematic diagram of a department in fig. 1, combine fig. 3, in the embodiment of the utility model, every bracket 8 all includes bracing piece 8.1 and connecting rod 8.2, bracing piece 8.1 can set up in the bottom of a plurality of distributive girders 7 through welded mode vertical fixation, bracing piece 8.1's inner accessible welded mode fixed connection is on body of the tower 1, the fixed setting in bracing piece 8.1's outer end bottom of one end accessible welded mode of connecting rod 8.2, connecting rod 8.2's the other end is located connecting rod 8.1's one end below, connecting rod 8.2's the other end passes through welded mode fixed connection on body of the tower 1, and like this, bracket 8 just can form the triangle-shaped structure with body of the tower 1, has fine stability.
With reference to fig. 1, the utility model discloses interim pylon still includes first cat ladder 9, and every supporting beam 2.1's vertical both sides all are provided with a first cat ladder 9, like this, can scramble on steel anchor case 2 through first cat ladder 9, the construction of convenience on steel anchor case 2.
Of course, the first ladder stand 9 in the embodiment of the present invention is also a prefabricated member to have better easy dismounting.
The embodiment of the utility model provides an in, every first cat ladder 9 all includes two vertical poles 9.1, heel brace 9.2 and guard ring 9.3, two vertical poles 9.1 are fixed to be set up at a supporting beam 2.1's vertical lateral part, connect through a plurality of heel braces 9.2 between two vertical poles 9.1, guard ring 9.3 is half circular, fixed connection is on two vertical poles 9.1 respectively at guard ring 9.3's both ends, during the construction, the staff can climb the operation on the steel anchor case through heel brace 9.2, and guard ring 9.3's setting can improve the security when climbing.
Further, combine fig. 1, the embodiment of the utility model provides an in, still be provided with two second cat ladders 10 on the body of the tower 1 relatively, second cat ladder 10 extends to the top of body of the tower 1 from body of the tower 1 bottom to make things convenient for the staff to climb to the platform on, be under construction.
The following embodiments are preferred embodiments of the present invention, which are only used to facilitate the description of the present invention, and are not intended to limit the present invention in any form, and any person who knows commonly in the art can use the present invention to make local changes or modifications within the scope of the technical features of the present invention, and the technical features of the present invention are not separated from the present invention.
Claims (10)
1. A temporary tower for bridge cantilever construction, comprising:
a tower body;
the steel anchor box is fixedly arranged at the top of the tower body and comprises a first supporting beam, a second supporting beam and a connecting beam, the first supporting beam and the second supporting beam are transversely and oppositely arranged at the top of the tower body, and the top of the first supporting beam is connected with the top of the second supporting beam through the connecting beam;
first operation platform, second operation platform and connection platform, first operation platform second operation platform and connection platform all prefabricate the setting, the horizontal outside of first supporting beam with the horizontal outside of a second supporting beam all is provided with one first operation platform, every first operation platform's the outside all is provided with the guardrail, the vertical both sides of steel anchor case all are provided with one second operation platform, every second operation platform's the outside all is provided with the guardrail, two second operation platform's middle part passes through connection platform connects, connection platform's both sides all are provided with the guardrail, first operation platform second operation platform and connection platform all fixes through the prefabricated anchor structure that corresponds on the top of body of the tower.
2. The temporary tower for bridge cantilever construction according to claim 1, wherein each of the anchoring structures comprises a plurality of distribution beams and a plurality of brackets, the plurality of distribution beams are fixedly arranged at the bottom of the corresponding platform at intervals, the plurality of distribution beams are supported by the plurality of brackets, and the plurality of brackets are fixedly arranged on the tower body.
3. The temporary tower for bridge cantilever construction according to claim 2, wherein a plurality of said distribution beams are fixedly installed at the bottom of the corresponding platform at intervals by welding or/and screw connection.
4. The temporary tower for bridge cantilever construction according to claim 2, wherein in each of the anchoring structures, a plurality of the distributor beams are supported by two of the brackets, and the two brackets are symmetrically disposed with respect to a center line of the platform corresponding to the anchoring structure.
5. The temporary tower frame for bridge cantilever construction according to claim 4, wherein each bracket comprises a support rod and a connecting rod, the support rod is vertically and fixedly arranged at the bottom of the distribution beams, the inner end of the support rod is fixedly connected to the tower body, one end of the connecting rod is fixedly arranged at the bottom of the outer end of the support rod, the other end of the connecting rod is located below one end of the connecting rod, and the other end of the connecting rod is fixedly connected to the tower body.
6. The temporary tower for bridge cantilever construction according to claim 5, wherein the support rods are welded or/and screwed to the bottom of the distribution beam, the inner ends of the support beams are welded or/and screwed to the tower body, one ends of the connecting rods are welded or/and screwed to the bottom of the outer ends of the support rods, and the other ends of the connecting rods are welded or/and screwed to the tower body.
7. The temporary tower for bridge cantilever construction according to any one of claims 1 to 6, wherein the temporary tower further comprises first ladder stands provided on both longitudinal sides of each of the support beams.
8. The temporary tower for bridge cantilever construction according to claim 7, wherein the first ladder stand is a prefabricated member.
9. The temporary tower frame for bridge cantilever construction according to claim 7, wherein each of the first ladder stands comprises two vertical rods, two foot supports and a protection ring, the two vertical rods are fixedly arranged at the longitudinal side portion of the supporting beam, the two vertical rods are connected through the plurality of foot supports, the protection ring is semicircular, and two ends of the protection ring are respectively and fixedly connected to the two vertical rods.
10. The temporary tower for bridge cantilever construction according to any one of claims 1 to 6, wherein two second ladder stands are further oppositely disposed on the tower body, and the second ladder stands extend from the bottom of the tower body to the top of the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485484.4U CN212294386U (en) | 2019-12-31 | 2019-12-31 | Temporary tower for bridge cantilever construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485484.4U CN212294386U (en) | 2019-12-31 | 2019-12-31 | Temporary tower for bridge cantilever construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212294386U true CN212294386U (en) | 2021-01-05 |
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ID=73932037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922485484.4U Active CN212294386U (en) | 2019-12-31 | 2019-12-31 | Temporary tower for bridge cantilever construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212294386U (en) |
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2019
- 2019-12-31 CN CN201922485484.4U patent/CN212294386U/en active Active
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