CN215482341U - Hydraulic jacking construction platform in cable area tower of cable-stayed bridge tower - Google Patents
Hydraulic jacking construction platform in cable area tower of cable-stayed bridge tower Download PDFInfo
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- CN215482341U CN215482341U CN202121027647.5U CN202121027647U CN215482341U CN 215482341 U CN215482341 U CN 215482341U CN 202121027647 U CN202121027647 U CN 202121027647U CN 215482341 U CN215482341 U CN 215482341U
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Abstract
The utility model belongs to the technical field of cable-stayed bridge construction, and particularly relates to a hydraulic jacking construction platform in a cable area tower of a cable-stayed bridge tower, which solves the problems of low labor efficiency, high labor intensity, inconvenient personnel operation, high overhead construction risk, low vertical transportation efficiency and low material turnover efficiency in the prior art. The utility model comprises an upper telescopic hanging rack, a middle telescopic hanging rack, a jacking device and a construction operation platform; the upper telescopic hanging rack and the middle telescopic hanging rack respectively comprise a rack body and two telescopic racks, the two telescopic racks are symmetrically arranged at two ends of the rack body, the telescopic racks and the rack body form a moving pair, the fixed end of a hydraulic telescopic rod piece is fixedly connected with the rack body, and the telescopic end is fixedly connected with the telescopic racks; the inclined plane of the expansion bracket is provided with teeth which are meshed with the stay cable teeth block; the construction operation platform is fixed at the bottom end of the outer pipe. The utility model improves the vertical transportation efficiency and the working environment; the construction efficiency is greatly improved; the labor intensity is reduced, the labor cost is reduced, and the construction risk is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of cable-stayed bridge construction, and particularly relates to a hydraulic jacking construction platform in a tower in a cable area of a cable-stayed bridge tower.
Background
Along with the increasing development of bridge construction, large-span cable-stayed bridges are increasingly applied, no matter the cable-stayed bridges are constructed in a tower-first and-beam or tower-beam synchronous sequence, the anchorage of the tower end of a cable-stayed cable tower needs to be constructed at high altitude in a tower in a cable area of the bridge tower, a full-hall support platform is hierarchically erected in the tower in the traditional construction process, personnel pull the cable-stayed cables on the full-hall support platform in the tower, the installation, the tensioning and other work are carried out, along with the progress of cable construction, the full-hall support is erected at the next floor height, and after all the cable-stayed cables are constructed, the full-hall support is sequentially and downwards dismantled.
Disclosure of Invention
The utility model aims to solve the problems and provides a hydraulic jacking construction platform in a cable area tower of a cable-stayed bridge tower, which is rapid and labor-saving.
The utility model is realized by adopting the following technical scheme: a hydraulic jacking construction platform in a cable area tower of a cable-stayed bridge tower is provided, wherein a cable-stayed cable tooth block is arranged on a cable-stayed bridge; the device comprises an upper telescopic hanging rack, a middle telescopic hanging rack, a jacking device and a construction operation platform;
the jacking device comprises an outer pipe and an inner pipe which are relatively telescopic, and the inner pipe is connected to the top end of the outer pipe;
the upper telescopic hanging rack is fixed at the top end of the inner pipe, and the middle telescopic hanging rack is fixed on the outer wall of the outer pipe; the upper telescopic hanging rack and the middle telescopic hanging rack are consistent in structure and respectively comprise a rack body and two telescopic racks, the two telescopic racks are symmetrically arranged at two ends of the rack body, the telescopic racks and the rack body form a moving pair, the telescopic racks horizontally extend and retract relative to the rack body, hydraulic telescopic rod pieces are fixed at the tops of two ends of the rack body, the fixed ends of the hydraulic telescopic rod pieces are fixedly connected with the rack body, and the telescopic ends of the hydraulic telescopic rod pieces are fixedly connected with the telescopic racks; the bottom of the outer end of the expansion bracket is an inclined plane, the inclined plane has the same inclination with the stay cable tooth block, and the inclined plane is provided with teeth which are meshed with the stay cable tooth block;
the construction operation platform is fixed at the bottom end of the outer pipe.
Further, this application still includes and is used for controlling jacking device to go up and down and the flexible control system of hydraulic telescoping member.
Furthermore, the construction operation platform is made of angle steel profiles.
Furthermore, the periphery of the construction operation platform is provided with a protective railing which is not less than 1.2 meters.
Furthermore, safety net enclosures are arranged around the construction operation platform.
Furthermore, the outer pipe and the inner pipe are both made of round steel pipes.
Compared with the prior art, the utility model has the beneficial effects that:
1. the structure is simple, the operation is convenient, and the manufacturing cost is low;
2. according to the lifting device, the telescopic frame is controlled to be shortened through the control system, then the lifting device is controlled to extend, and then the telescopic frame is controlled to extend, so that the upper and middle telescopic hanging frames are lifted and relatively fixed after being lifted, the climbing of a construction operation platform is driven, the mechanical control is adopted to replace manpower, and the vertical transportation efficiency and the working environment are improved; the construction efficiency is greatly improved; the stay cable is convenient for personnel to operate the cable penetrating of the stay cable, the tension work is installed, the labor intensity is reduced, and the labor cost is reduced; constructors stand on the construction operation platform for construction, so that the construction risk is greatly reduced;
3. after the upper and middle telescopic hangers rise, the contact surfaces of the upper and middle telescopic hangers and the stay cable tooth blocks are engaged by teeth, so that the frictional resistance for fixing the upper and middle telescopic hangers is ensured, the fixing is more stable, and the safety of the construction operation process is ensured;
4. this application reuse improves material turnover efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
fig. 2 is a schematic view of the connection between the telescopic frame and the stay cable tooth block of the present application;
FIG. 3 is a flow chart of the present application;
in the figure: the method comprises the following steps of 1-outer pipe, 2-inner pipe, 3-upper telescopic hanging rack, 4-middle telescopic hanging rack, 5-hydraulic telescopic rod piece, 6-telescopic rack, 7-tooth, 8-frame body, 9-construction operation platform, 10-protective railing, 11-safety net enclosure, 12-stay cable tooth block, 13-1# stay cable, 14-cable-stayed bridge cable-area tower column, 15-2# stay cable and 16-jacking device.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The term "horizontal" as used herein refers to the width direction of the bridge tower, i.e., the telescoping direction of the telescoping tower; "up and down" refers to the height direction of the bridge tower, i.e. the telescopic direction of the jacking device.
Referring to fig. 1 to 2, the present invention provides a technical solution: a hydraulic jacking construction platform in a cable area tower of a cable-stayed bridge tower is provided with a cable-stayed cable tooth block 12 on a cable-stayed bridge; comprises an upper telescopic hanging rack 3, a middle telescopic hanging rack 4, a jacking device 16 and a construction work platform 9;
the jacking device 16 comprises an outer pipe 1 and an inner pipe 2 which are relatively telescopic, and the inner pipe 2 is connected to the top end of the outer pipe 1;
the upper telescopic hanging rack 3 is fixed at the top end of the inner tube 2, and the middle telescopic hanging rack 4 is fixed on the outer wall of the outer tube 1; the upper telescopic hanging rack 3 and the middle telescopic hanging rack 4 are consistent in structure and comprise a rack body 8 and two telescopic racks 6, the two telescopic racks 6 are symmetrically arranged at two ends of the rack body 8, the telescopic racks 6 and the rack body 8 form a moving pair, the telescopic racks 6 horizontally extend relative to the rack body 8, hydraulic telescopic rod pieces 5 are fixed at the tops of two ends of the rack body 8, the fixed ends of the hydraulic telescopic rod pieces 5 are fixedly connected with the rack body 8, and the telescopic ends are fixedly connected with the telescopic racks 6 (the hydraulic telescopic rod pieces 5 drive the telescopic racks 6 to extend and shorten along the horizontal direction); the bottom of the outer end of the expansion bracket 6 is an inclined plane, the inclined plane is consistent with the inclination of the stay cable tooth block 12, the inclined plane is provided with teeth 7, the teeth 7 are meshed with the stay cable tooth block 12, the contact surface of the expansion bracket 6 and the stay cable tooth block 12 is meshed by the teeth, and the frictional resistance of the expansion bracket 6 and the stay cable tooth block 12 is increased;
the construction operation platform 9 is fixed at the bottom end of the outer pipe 1.
The application also comprises a control system for controlling the lifting of the jacking device 16 and the extension and retraction of the hydraulic telescopic rod 5.
The construction operation platform 9 is made of angle steel profiles.
And protective railings 10 not less than 1.2 m are arranged around the construction operation platform 9.
And safety net enclosures 11 are arranged around the construction operation platform 9.
The outer pipe 1 and the inner pipe 2 are both made of round steel pipes.
The utility model discloses fix in the bridge tower has the cable district tower, connect on suspension cable tooth piece 12 through the tooth 7 meshing on stores pylon 6 inclined plane, personnel carry out the installation and the stretch-draw work of suspension cable on construction work platform 9.
The working principle of the utility model is as follows:
this application can utilize suspension cable tooth piece 12 as the stopper in the cable-stayed bridge tower has the environment in the tower of cable district in the cable-stayed bridge tower, controls jacking device 16 and carries out the autonomic lift of operation platform, and along with the construction progress of suspension cable, can the successive layer climb, treat the construction completion back, also can the successive layer descend to the tower in on the concrete rest platform, remove in the tower.
When the device needs to move towards the working surface of the stay cable of the next tooth block, only the telescopic frame 6 needs to be retracted, the jacking device 16 is extended, the upper telescopic hanging frame 3 is jacked to the tooth block 12 of the stay cable at the next height, the telescopic frame 6 is extended, the upper telescopic hanging frame 3 is erected on the tooth block 12 of the stay cable, the upper telescopic hanging frame 3 is fixed through the tooth contact surface, the middle telescopic hanging frame 4 is also lifted to the position of the tooth block 12 of the stay cable at the lower height according to the same steps, and the lifting operation of the platform is completed.
The implementation process of the utility model is shown in figure 3:
when the construction of the # 1 stay cable 13 is finished and the next climbing process is carried out, the operation control system controls the hydraulic telescopic rod 5 of the upper telescopic hanging rack 3 to contract to drive the telescopic rack 6 to shorten, and simultaneously extends the height of the inner pipe 2 to the next tooth block position, when the telescopic rack 6 rises to the height of the next stay cable tooth block 12, the operation control system enables the hydraulic telescopic rod 5 of the upper telescopic hanging rack 3 to extend to drive the telescopic rack of the upper telescopic hanging rack 3 to expand outwards, so that the upper telescopic hanging rack 3 is erected on the stay cable tooth block 12 at the next height, and the relative fixation of the upper telescopic hanging rack 3 and the stay cable at the next height is realized; the human-operated control system controls the hydraulic telescopic rod 5 of the middle telescopic hanging rack 4 to retract to drive the telescopic rack 6 to shorten, and simultaneously lifts the height of the outer pipe 1 to the next stay cable tooth block 12, and then the control system is operated to extend the hydraulic telescopic rod 5 of the middle telescopic hanging rack 4 to drive the telescopic rack 6 to expand outwards, so that the middle telescopic hanging rack 4 is erected on the stay cable tooth block 12 at the next height; at the moment, the height of the construction operation platform 9 is just higher than the construction height of the 2# stay cable 15, and personnel can operate the installation and tensioning work of the 2# stay cable 15.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A hydraulic jacking construction platform in a cable area tower of a cable-stayed bridge tower is provided with a cable-stayed cable toothed block (12) on a cable-stayed bridge; the method is characterized in that: comprises an upper telescopic hanging rack (3), a middle telescopic hanging rack (4), a jacking device (16) and a construction operation platform (9);
the jacking device (16) comprises an outer pipe (1) and an inner pipe (2) which are relatively telescopic, and the inner pipe (2) is connected to the top end of the outer pipe (1);
the upper telescopic hanging rack (3) is fixed at the top end of the inner pipe (2), and the middle telescopic hanging rack (4) is fixed on the outer wall of the outer pipe (1); the upper telescopic hanging rack (3) and the middle telescopic hanging rack (4) are consistent in structure and comprise rack bodies (8) and two telescopic racks (6), the two telescopic racks (6) are symmetrically arranged at two ends of the rack bodies (8), the telescopic racks (6) and the rack bodies (8) form a moving pair, the telescopic racks (6) horizontally stretch relative to the rack bodies (8), hydraulic telescopic rod pieces (5) are fixed at the tops of two ends of the rack bodies (8), the fixed ends of the hydraulic telescopic rod pieces (5) are fixedly connected with the rack bodies (8), and the telescopic ends are fixedly connected with the telescopic racks (6); the bottom of the outer end of the telescopic frame (6) is an inclined plane, the inclined plane is consistent with the inclination of the stay cable tooth block (12), the inclined plane is provided with teeth (7), and the teeth (7) are meshed with the stay cable tooth block (12);
the construction operation platform (9) is fixed at the bottom end of the outer pipe (1).
2. The hydraulic jacking construction platform in the cable-stayed bridge tower cable area tower of claim 1, which is characterized in that: the hydraulic telescopic rod piece lifting device further comprises a control system for controlling the lifting device (16) to lift and the hydraulic telescopic rod piece (5) to stretch.
3. The hydraulic jacking construction platform in the cable-stayed bridge tower cable area tower of claim 2, which is characterized in that: the construction operation platform (9) is made of angle steel profiles.
4. The hydraulic jacking construction platform in the cable-stayed bridge tower cable area tower of claim 3, characterized in that: and protective railings (10) not less than 1.2 m are arranged around the construction operation platform (9).
5. The hydraulic jacking construction platform in the cable-stayed bridge tower cable area tower of claim 4, which is characterized in that: and safety net enclosures (11) are arranged around the construction operation platform (9).
6. The hydraulic jacking construction platform in the cable-stayed bridge tower cable area tower of claim 5, wherein: the outer pipe (1) and the inner pipe (2) are both made of round steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027647.5U CN215482341U (en) | 2021-05-14 | 2021-05-14 | Hydraulic jacking construction platform in cable area tower of cable-stayed bridge tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027647.5U CN215482341U (en) | 2021-05-14 | 2021-05-14 | Hydraulic jacking construction platform in cable area tower of cable-stayed bridge tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215482341U true CN215482341U (en) | 2022-01-11 |
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ID=79778123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121027647.5U Active CN215482341U (en) | 2021-05-14 | 2021-05-14 | Hydraulic jacking construction platform in cable area tower of cable-stayed bridge tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215482341U (en) |
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2021
- 2021-05-14 CN CN202121027647.5U patent/CN215482341U/en active Active
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