CN215714713U - Rolling supporting point type trackless triangular hanging basket suspension casting construction structure - Google Patents
Rolling supporting point type trackless triangular hanging basket suspension casting construction structure Download PDFInfo
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- CN215714713U CN215714713U CN202122253330.XU CN202122253330U CN215714713U CN 215714713 U CN215714713 U CN 215714713U CN 202122253330 U CN202122253330 U CN 202122253330U CN 215714713 U CN215714713 U CN 215714713U
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Abstract
The utility model discloses a rolling supporting point type trackless triangular hanging basket suspension casting construction structure; the method is characterized in that: the hanging basket structure mainly comprises a main longitudinal beam, a stand column, a diagonal draw belt, a rear anchor system, a rear upper cross beam, a front upper cross beam, a rear lower cross beam, a front lower cross beam and the like. When the cradle travels, the hydraulic jack is installed at the front end of the traction rod, the rear end of the traction rod is anchored on the anchor plate, and the cradle travels after being continuously jacked according to 15 cm/time. According to the hanging basket, the front and rear supporting point structures are adopted, a hanging basket walking track and a track pressing beam are omitted, hanging basket materials can be saved, and the self weight is reduced; the forward movement of the front and rear fulcrums takes the bottom flange of the hanging basket main longitudinal beam profile steel as a track, and the forward movement is carried out through the rollers on the fulcrums, so that compared with the track section splicing and track pressing beam anchoring installation of the traditional process, a large amount of process construction time can be saved; the front fulcrum and the rear fulcrum are provided with the hanging basket walking rollers, so that rolling friction walking is more convenient and faster, and the hanging basket structure is more favorable; when pouring, the front supporting point is provided with an assembly type steel backing plate, and the rolling shaft is not stressed. And meanwhile, the rear reverse hanging fulcrum is anchored on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam to serve as a safety measure of the rear anchor of the hanging basket. The overall safety of the structure is higher.
Description
Technical Field
The utility model relates to the field of civil engineering prestressed concrete bridge girder cantilever casting construction, in particular to a rolling fulcrum type trackless triangular hanging basket cantilever casting construction structure used during prestressed concrete bridge girder cantilever casting.
Background
The prestressed concrete continuous rigid frame or the continuous beam bridge girder is usually constructed by hanging basket cantilever casting. The basket technology is mostly hung to the rail mounted to tradition, sets up dedicated basket walking track and the track nose bar of hanging promptly in hanging basket owner truss below, along with moving ahead of hanging the basket, needs the segmentation to install track and nose bar, and the technology is loaded down with trivial details complicated. And the front supporting point and the track of the traditional hanging basket main truss are mostly steel and steel contact surface sliding friction, and are forced to pull forward, which is unfavorable for the structure.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a rolling-support type trackless triangular suspended-casting construction structure. The problem of traditional rail string basket walking process loaded down with trivial details complicacy, consumptive material many etc. is solved, strengthened string basket and pour stability and the security of structure under with the walking state, reduced construction cost simultaneously, increased the construction work efficiency.
The utility model is realized in such a way that a rolling fulcrum type trackless triangular hanging basket suspension casting construction structure is constructed; the method is characterized in that: the structure comprises a main longitudinal beam, a vertical column, a diagonal draw belt, a rear anchor system, a rear upper cross beam, a front upper cross beam, a rear lower cross beam and a front lower cross beam; the inclined pull belt corresponds to the space between the main longitudinal beam and the upright post, the rear upper cross beam corresponds to the side surface of the upright post, the front support point corresponds to the lower part of the main longitudinal beam, and the top surface of the front support point is provided with an assembly steel backing plate; the rear reverse hanging fulcrum is mounted to the top surface of the lower flange of the section steel at the tail part of the main longitudinal beam, and the front fulcrum takes the lower flange of the section steel of the main longitudinal beam as a track through rollers at two sides; the rear reverse hanging fulcrum takes the lower flange of the main longitudinal beam section steel as a track through reverse hanging rollers on two sides; the front end of the traction rod is provided with a hydraulic jack, and the rear end of the traction rod is anchored on the anchor plate.
Optimizing: a rolling shaft and a roller are arranged at the corresponding position of the assembled steel base plate; and a rear anchor system is arranged on the main longitudinal beam.
The corresponding hanging basket structure mainly comprises a main longitudinal beam, a vertical column, a diagonal draw belt, a rear anchor system, a rear upper cross beam, a front upper cross beam, a rear lower cross beam, a front lower cross beam and the like, and is characterized in that a front fulcrum and a rear reverse hanging fulcrum replace a traditional rail, a traditional pressing beam and the like. When the hanging basket is in a pouring state, the top surface of the front supporting point is provided with an assembly steel backing plate to transmit all loads to the front supporting point; and the rear reverse hanging fulcrum is arranged on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam and is used as a safety measure of the rear anchor of the hanging basket. In the pivot forward moving process, the front support point takes the lower flange of the main longitudinal beam section steel as a track through rollers on two sides, rolls forward to the design position of a lower section, and simultaneously, the assembled steel backing plate is removed, and all loads are transmitted to the front support point through a rolling shaft; and the rear reverse hanging fulcrum rolls and moves forwards to the design position of the lower section by taking the lower flange of the main longitudinal beam profile steel as a track through the reverse hanging rollers on the two sides. When the cradle travels, the hydraulic jack is installed at the front end of the traction rod, the rear end of the traction rod is anchored on the anchor plate, and the cradle travels after being continuously jacked according to 15 cm/time.
The utility model has the following advantages:
1. compared with the traditional process, the hanging basket structure saves a hanging basket walking track and a track pressing beam through the front and rear fulcrum structures, can save hanging basket materials and reduce dead weight;
2. the forward movement of the front and rear fulcrums takes the bottom flange of the hanging basket main longitudinal beam profile steel as a track, and the forward movement is carried out through the rollers on the fulcrums, so that compared with the track section splicing and track pressing beam anchoring installation of the traditional process, a large amount of process construction time can be saved;
3. in the hanging basket walking state, the front supporting point and the rail are in surface-to-surface contact sliding friction in the traditional process, and the hanging basket walking rolling shafts are arranged at the front supporting point and the rear supporting point of the structure, so that the hanging basket can walk more smoothly through rolling friction, and the hanging basket structure is more favorable.
4. In the hanging basket pouring state, the front supporting point is provided with an assembly type steel base plate, so that the front supporting point is in surface contact, and the rolling shaft is not stressed. And meanwhile, the rear reverse hanging fulcrum is anchored on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam to serve as a safety measure of the rear anchor of the hanging basket. The overall safety of the structure is higher.
Drawings
FIG. 1 is an elevation view of a rolling fulcrum type trackless triangular cradle in a pouring state
FIG. 2 is an elevation view showing the traveling state of a rolling fulcrum type trackless triangular cradle
FIG. 3 is a front pivot elevation view;
FIG. 4 is a front pivot side elevational view;
FIG. 5 is a front elevation view of the rear hitch fulcrum;
fig. 6 is a side elevational view of the rear hitch fulcrum.
Wherein: the device comprises a main longitudinal beam 1, a vertical column 2, a diagonal draw 3, a rear anchor system 4, a rear upper cross beam 5, a rear reverse hanging fulcrum 6, a front fulcrum 7, a front upper cross beam 8, a rear lower cross beam 9, a front lower cross beam 10, an anchor plate 11, a traction rod 12, a hydraulic jack 13, an assembly steel backing plate 14, a rolling shaft 15, a rolling wheel 16 and a reverse hanging rolling wheel 17.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a rolling fulcrum type non-rail triangular hanging basket suspension casting construction structure through improvement; as shown, this can be implemented as follows: the main structure of the hanging basket is similar to that of a traditional triangular hanging basket, and mainly comprises a main longitudinal beam 1, a stand column 2, a diagonal draw 3, a rear anchor system 4, a rear upper cross beam 5, a front upper cross beam 8, a rear lower cross beam 9, a front lower cross beam 10 and the like, and the difference is that a front supporting point 7 and a rear reverse hanging supporting point 6 replace a traditional track, a traditional pressing beam and the like. When the hanging basket is in a pouring state, the top surface of the front supporting point 7 is provided with an assembly steel backing plate 14 to transmit all loads to the front supporting point; and the rear reverse hanging fulcrum 6 is arranged on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam and is used as a safety measure of the rear anchor 4 of the hanging basket. In the pivot forward moving process, the front support point rolls and moves forward to the lower section design position by taking the main longitudinal beam section steel lower flange as a track through rollers 16 on two sides, and meanwhile, the steel backing plate 14 is disassembled and assembled, and all loads are transmitted to the front support point 7 through a rolling shaft 15; the rear reverse hanging fulcrum 6 rolls and moves forwards to the lower section design position by taking the lower flange of the main longitudinal beam section steel as a track through reverse hanging rollers 17 on two sides. When the cradle travels, the front end of the traction rod 12 is provided with the hydraulic jack 13, the rear end of the traction rod is anchored on the anchor plate 11, and the cradle travels after being continuously jacked according to 15 cm/time.
According to the hanging basket, the front and rear supporting point structures are adopted, a hanging basket walking track and a track pressing beam are omitted, hanging basket materials can be saved, and the self weight is reduced; the forward movement of the front and rear fulcrums takes the bottom flange of the hanging basket main longitudinal beam profile steel as a track, and the forward movement is carried out through the rollers on the fulcrums, so that compared with the track section splicing and track pressing beam anchoring installation of the traditional process, a large amount of process construction time can be saved; the front fulcrum and the rear fulcrum are provided with the hanging basket walking rollers, so that rolling friction walking is more convenient and faster, and the hanging basket structure is more favorable; when pouring, the front supporting point is provided with an assembly type steel backing plate, and the rolling shaft is not stressed. And meanwhile, the rear reverse hanging fulcrum is anchored on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam to serve as a safety measure of the rear anchor of the hanging basket. The overall safety of the structure is higher.
The implementation steps of the patent are as follows:
and (I) completing the assembly and anchoring of the hanging basket, wherein the hanging basket is in a pouring state, and an assembled steel base plate is arranged on the top surface of the front supporting point and is used for bearing loads such as reinforced concrete and the like. Meanwhile, the rear reverse hanging fulcrum is mounted on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam and is used as a safety measure of the rear anchor of the hanging basket. The construction of reinforcing steel bars, templates, concrete and prestress is the same as the traditional process;
and (II) after the construction of the front main beam section is finished, the hanging basket bottom platform and the inner and outer sliding beams finish the conversion of a hanging basket system. The jack is vertically arranged at the rear side of the front fulcrum, jacks up the main longitudinal beam to enable the front fulcrum to be separated from the bottom surface of the main longitudinal beam, takes the lower flange of the section steel of the main longitudinal beam as a front fulcrum moving track, finishes the walking of the front fulcrum to the next section construction design position through rollers at two sides of the front fulcrum and anchors the front fulcrum, removes the assembled steel base plate at the top surface of the front fulcrum, retracts into the jack, lowers the main longitudinal beam, and bears the load of the hanging basket, the template and the like under the stress of a front fulcrum hanging basket walking roller;
and (III) releasing the anchoring of the rear reverse hanging fulcrum, taking the lower flange of the main longitudinal beam section steel as a rear reverse hanging fulcrum moving track, and finishing the walking of the rear fulcrum to the next section construction design position and anchoring through a reverse hanging roller. Removing the rear anchor of the hanging basket, wherein the hanging basket is in a walking state;
the hanging basket walking penetrating jack is horizontally arranged at the front end of the front fulcrum, is tightly attached to the front fulcrum, penetrates through a preformed hole in the front fulcrum and the penetrating jack, is provided with a hanging basket walking traction rod, the front end of the traction rod is anchored on the tail part of the penetrating jack, and the rear end of the traction rod is anchored on an anchor plate on the bottom surface of the tail part of the main longitudinal beam of the hanging basket;
(V) synchronously jacking the center-penetrating jacks at the front supporting points by the hydraulic control system, and finishing the traveling of the hanging basket to the next section of construction position according to one stroke of 15 cm;
and (VI) mounting a rear anchor and a front fulcrum assembly type steel base plate of the cradle, completing system conversion of the cradle bottom platform and the inner and outer sliding beams, and putting the cradle into a pouring state again.
Through the implementation of this patent:
1. compared with the traditional process, the hanging basket structure saves a hanging basket walking track and a track pressing beam through the front and rear fulcrum structures, can save hanging basket materials and reduce dead weight;
2. the forward movement of the front and rear fulcrums takes the bottom flange of the hanging basket main longitudinal beam profile steel as a track, and the forward movement is carried out through the rollers on the fulcrums, so that compared with the track section splicing and track pressing beam anchoring installation of the traditional process, a large amount of process construction time can be saved;
3. in the hanging basket walking state, the front supporting point and the rail are in surface-to-surface contact sliding friction in the traditional process, and the hanging basket walking rolling shafts are arranged at the front supporting point and the rear supporting point of the structure, so that the hanging basket can walk more smoothly through rolling friction, and the hanging basket structure is more favorable.
4. In the hanging basket pouring state, the front supporting point is provided with an assembly type steel base plate, so that the front supporting point is in surface contact, and the rolling shaft is not stressed. And meanwhile, the rear reverse hanging fulcrum is anchored on the top surface of the bottom flange of the section steel at the tail part of the main longitudinal beam to serve as a safety measure of the rear anchor of the hanging basket. The overall safety of the structure is higher.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention 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 (2)
1. A rolling supporting point type trackless triangular hanging basket suspension casting construction structure; the method is characterized in that: the structure comprises a main longitudinal beam (1), a vertical column (2), a diagonal draw belt (3), a rear anchor system (4), a rear upper cross beam (5), a front upper cross beam (8), a rear lower cross beam (9) and a front lower cross beam (10); the inclined pull belt (3) corresponds to the position between the main longitudinal beam (1) and the upright post (2), the rear upper cross beam (5) corresponds to the side surface of the upright post (2), the front fulcrum (7) corresponds to the position below the main longitudinal beam (1), and the top surface of the front fulcrum (7) is provided with an assembly steel base plate (14); the rear reverse hanging fulcrum (6) is mounted to the top surface of the lower flange of the section steel at the tail part of the main longitudinal beam, and the front fulcrum (7) takes the lower flange of the section steel of the main longitudinal beam as a track through rollers (16) at two sides; the rear reverse hanging fulcrum (6) takes the lower flange of the main longitudinal beam section steel as a track through reverse hanging rollers (17) at two sides; the front end of the traction rod (12) is provided with a hydraulic jack (13), and the rear end of the traction rod is anchored on the anchor plate (11).
2. The roll fulcrum type trackless triangular hanging basket suspension casting construction structure according to claim 1; the method is characterized in that: a rolling shaft (15) and a roller (16) are arranged at the corresponding position of the steel base plate (14); and a rear anchor system (4) is arranged on the main longitudinal beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253330.XU CN215714713U (en) | 2021-09-17 | 2021-09-17 | Rolling supporting point type trackless triangular hanging basket suspension casting construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253330.XU CN215714713U (en) | 2021-09-17 | 2021-09-17 | Rolling supporting point type trackless triangular hanging basket suspension casting construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215714713U true CN215714713U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122253330.XU Active CN215714713U (en) | 2021-09-17 | 2021-09-17 | Rolling supporting point type trackless triangular hanging basket suspension casting construction structure |
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| Country | Link |
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| CN (1) | CN215714713U (en) |
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2021
- 2021-09-17 CN CN202122253330.XU patent/CN215714713U/en active Active
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