CN112144398A - Corridor connecting system of two tower bodies of gantry main tower - Google Patents
Corridor connecting system of two tower bodies of gantry main tower Download PDFInfo
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- CN112144398A CN112144398A CN202011018042.XA CN202011018042A CN112144398A CN 112144398 A CN112144398 A CN 112144398A CN 202011018042 A CN202011018042 A CN 202011018042A CN 112144398 A CN112144398 A CN 112144398A
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- tower
- corridor
- unit
- device body
- main tower
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- G01B21/24—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes for testing alignment of axes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to a corridor connecting system of two tower bodies of a gate-type main tower, which comprises a corridor device body, a connecting device, a steering adjusting device, a tower offset displacement monitoring device and a safety device, wherein the connecting device is arranged at two ends of the corridor device body; the steering adjusting device is in transmission connection with the connecting device through the gear unit to realize steering adjustment of the connecting device; the tower offset displacement monitoring device is arranged at two ends of a guardrail of the corridor device body. Compared with the prior art, the hydraulic climbing formwork method is used for construction of two tower bodies of a common door type main tower, the distance change of the tower bodies is adapted to the possible construction asynchronism of the two tower bodies through the length and the angle of the telescopic device and the steering adjusting device when the hydraulic climbing formwork climbs, the construction of the tower bodies of the main tower is monitored in real time through the tower offset real-time monitoring device, the construction process is obviously facilitated through the telescopic system, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the field of bridge construction, in particular to a corridor connecting system for two tower bodies of a portal main tower.
Background
At present, in a door type main tower construction process, the construction methods of tower limbs and cross beams mainly comprise two methods: 1) the tower limb and the cross beam are constructed synchronously (the tower beam is synchronous); 2) the tower limb and the cross beam are constructed asynchronously (the tower beam is asynchronous). Wherein, the tower beam is under construction in step and can be guaranteed tower limb and crossbeam structural wholeness and the quality that combines thereof, but in the work progress, hydraulic pressure creeping formwork device need be demolishd in crossbeam department, installs again after the crossbeam construction is accomplished, leads to the crossbeam construction period direct influence follow-up tower limb construction. In the asynchronous construction scheme of tower beam, hydraulic climbing formwork device need not unnecessary dismantlement, installation in the work progress, but before the bottom end rail is accomplished, need increase interim initiative stull in order to adjust the structure atress between two tower bodies. The hydraulic creeping formwork is a formwork system for building construction widely applied to high-rise and super high-rise building construction at present. The hydraulic climbing formwork device mainly comprises a formwork system and a climbing system, wherein the climbing system is vertically attached to the outer side of a building during construction, and the power source of the climbing formwork device is a self-contained hydraulic jacking system.
In a conventional portal main tower construction scheme, the two tower bodies of the main tower are generally respectively responsible for construction by two construction teams before capping is successfully performed. If the problem that two sides need to be communicated in the construction process occurs, a related person in charge needs to take the construction elevator on one side to reach the ground and then take the construction elevator on the other side to reach the bridge tower construction position, and the mode obviously wastes time and labor. In addition, the existing method for measuring the deviation of the main tower usually includes the steps of embedding an observation prism on a tower body in the construction process, calculating a deviation curve of the main tower through coordinates of a plurality of elevation section axis points, and mutually checking three-dimensional coordinates of tower column construction control points according to the calculation result and measured data. The process is relatively complicated and does not have the function of monitoring data in real time.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a corridor connecting system of two tower bodies of a portal main tower, which obviously facilitates the construction process and improves the construction efficiency through a telescopic system.
The purpose of the invention can be realized by the following technical scheme:
the corridor connecting system of the two tower bodies of the portal main tower comprises a corridor device body, a connecting device, a steering adjusting device, a tower offset displacement monitoring device and a safety device, wherein the corridor connecting system specifically comprises:
the corridor device body is a steel frame corridor which can be adjusted in a telescopic way;
the connecting devices are arranged at two ends of the corridor device body, one end of each connecting device is connected with the corridor device body, and the other end of each connecting device is connected with an operating platform of the hydraulic climbing formwork;
the steering adjusting device is in transmission connection with the connecting device through the gear unit to realize steering adjustment of the connecting device;
the tower offset displacement monitoring device is arranged at the two ends of the guardrail of the corridor device body, so that the straightness of the corridor device body is detected;
the safety device comprises a safety guide rail and a safety steel cable;
the safety guide rail is welded on a guardrail of the corridor device body and is adjusted along with the guardrail and the corridor device body in a telescopic mode;
the safety steel cable penetrates through the safety guide rail, and two ends of the safety steel cable are respectively anchored on the main tower columns at the two ends.
Further, the corridor device body comprises an upper corridor and a lower telescopic unit, and the lower telescopic unit can be adaptive to the telescopic movement of the upper corridor to make corresponding folding and stretching changes.
Further, the upper corridor comprises a walkway steel rail, a guardrail and a foldable pedal;
the walkway steel rail is of a telescopic adjusting structure;
the guardrail is welded on the walkway steel rail and can be adjusted along with the walkway steel rail in a telescopic way;
the foldable pedal is connected with the walkway steel rail and can be folded and folded along with the walkway steel rail.
Furthermore, the foldable pedal is formed by connecting a plurality of pedal blocks, and each pedal block is fixedly connected with the walkway steel rail through a buckle.
Further, the connecting device includes a clamping unit, an anchoring unit, and a supporting unit;
the clamping unit is connected with a guardrail of the hydraulic climbing formwork;
the anchoring unit is anchored on an operating platform of the hydraulic creeping formwork;
the supporting unit supports the corridor device body and effectively transmits the stress of the corridor device body to the hydraulic climbing formwork.
Further, the clamping unit is a steel pipe rotating fastener.
Furthermore, the steering adjusting device comprises an active steering unit and a passive steering unit which are respectively arranged at two ends of the connecting device;
the active steering unit comprises a hydraulic oil cylinder, a push rod connected with an output shaft of the hydraulic oil cylinder and a gear arranged on the connecting device, the push rod is pressed against the gear, and the rotation angle of the connecting device is controlled by controlling the pushing-out displacement of the hydraulic oil cylinder.
Further, the tower offset displacement monitoring device comprises an infrared distance meter arranged on the corridor device body and a prism arranged on the main tower;
the distance from the position to the main tower at the same horizontal height with the corridor device body is measured by an infrared measurement method, the distance and the angle between the main tower and a prism arranged on the main tower are measured, and the tower offset displacement is measured through observation data and a calculation result.
Furthermore, one end of the supporting unit is welded on the connecting rod of the connecting device, and the other end of the supporting unit is in anchoring connection with steel plates arranged at two ends of the steel frame corridor.
Compared with the prior art, the invention has the following technical advantages:
1) the flexible function in connecting device and steelframe corridor of this technical scheme is the hydraulic pressure creeping formwork method construction that is used for two towers of general gate-type king-tower, can climb up at hydraulic pressure creeping formwork, through the telescoping device with turn to the interval change of adjusting device length and angle adaptation tower body and two possible constructions of tower body asynchronous, through the construction of tower off-set displacement real-time supervision device real-time supervision king-tower body, the work progress has been facilitated through scalable system is showing, the efficiency of construction has been promoted.
2) The steelframe corridor among this technical scheme adopts double track formula structure, and the stull is arranged in the middle of in order to increase bearing capacity, and the telescoping device of rail and guardrail takes the segmentation extension ladder structure to ensure through the multistage extension, and bearing capacity does not receive too big influence.
Drawings
FIG. 1 is a schematic front view of a steel frame hallway of the present invention;
FIG. 2 is a schematic top view of the steel frame hallway of the present invention;
FIG. 3 is a detailed schematic view of the steel frame hallway of the present invention;
FIG. 4 is a detailed schematic view of the telescoping unit of the present invention;
fig. 5 is a detailed view of the clamping unit of the present invention.
In the figure: the method comprises the following steps of 1-a walkway steel rail, 2-a guardrail, 3-a pedal, 4-a supporting unit fixing steel plate, 5-a lower telescopic unit, 6-a clamping unit, 7-an anchoring unit, 8-a supporting unit, 9-a hydraulic oil cylinder, 10-a motor, 11-a safety guide rail, 12-a safety steel cable and 13-a tower offset displacement detection device.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
The corridor connecting device is suitable for two tower bodies of a door type main tower in the embodiment, and comprises a walkway steel rail 1, a guardrail 2, a pedal 3, a supporting unit fixing steel plate 4, a lower telescopic unit 5, a clamping unit 6, an anchoring unit 7, a supporting unit 8, a hydraulic oil cylinder 9, a motor 10, a safety guide rail 11, a safety steel cable 12 and a tower offset displacement detection device 13, referring to fig. 1 to 5.
Wherein, the walkway steel rail 1 is as shown in figure 2, the two sides are steel rails, and the middle is a steel cross brace; the guard bar 2 is welded on the rails at the two sides of the walkway steel rail 1; the pedals 3 are divided into a plurality of parts, the parts are arranged from one side with the hydraulic oil cylinder 9, the end point of the complete expansion of each part of the pedals is the starting point of the next part of the pedals, except that the pre-arranged pedals 3 are connected on the walkway steel rail 1 through welding, each expanded pedal can be connected with the walkway steel rail through a buckle; and supporting unit fixing steel plates 4 are arranged at two ends of the walkway steel rail 1, the connecting mode is welding connection, pin holes are reserved in the fixing steel plates and used for anchoring and connecting the supporting units 8.
The lower telescopic unit 5 is welded below the walkway steel rail 1, and the telescopic movement of the walkway steel rail 1 is mainly driven by the lower telescopic unit 5; the clamping unit 6 is a steel pipe rotating fastener, see fig. 5, for connecting the connecting rod of the fixed connecting device and the guardrail of the hydraulic climbing formwork.
The anchoring unit 7 is of a fixed support structure, and the anchoring unit 7 and the hydraulic climbing formwork operation platform are anchored through high-strength bolts; the main body of the whole connecting device is a hollow cylindrical steel pipe, a hydraulic oil cylinder 9 and a motor 10 (respectively arranged in the connecting devices at two ends) are arranged in the connecting device, and in addition, a gear unit is arranged. The inclination of the steel frame corridor is controlled by the hydraulic oil cylinder 9 and the gear unit, wherein the end part of the hydraulic oil cylinder 9 is connected with a push rod, and the push rod pushes the gear unit arranged on the connecting device, so that the steel frame corridor is driven to adjust the inclination.
The motor 10 controls the lower telescopic unit 5, and the principle of driving the lower telescopic unit 5 by the motor is the same as that of an electric telescopic door, so that the telescopic of the steel frame corridor is realized.
The safety guide rail 11 is welded on the inner side of a guardrail of a steel frame corridor, a steel ring is specifically arranged at the guardrail every 3 m, the safety steel cable 12 penetrates through the ring, two ends of the safety steel cable are fixed on the main tower, when a person walks on the corridor connecting device, a safety belt needs to be tied, and the safety buckle is connected to the safety steel cable.
The two tower offset displacement detection devices 13 are respectively anchored on the guardrails at two ends of the steel frame corridor.
The steelframe corridor in this embodiment adopts double track formula structure, and the stull is arranged in the middle in order to increase bearing capacity, and the telescopic unit of rail and guardrail takes the segmentation extension ladder structure to ensure through the multistage extension, and bearing capacity does not receive too big influence.
The lower telescopic unit 5 in this embodiment is of a similar electric door telescopic structure, i.e. a parallelogram net structure, and the structure is easy to deform and causes the bearing capacity not to be outstanding, so that the telescopic structure only plays a role in driving and adjusting the upper structure of the steel frame corridor to stretch.
The tower offset displacement device in the embodiment can realize remote control and real-time monitoring.
The flexible function in connecting device and steelframe corridor of this embodiment is applicable to the hydraulic pressure creeping formwork method construction of two towers of general gate-type king-tower, can climb up at hydraulic pressure creeping formwork, through flexible unit with turn to the interval change of adjusting length and angle adaptation tower body and two possible construction desynchronizes of tower body, through the construction of the king-tower body of real-time supervision of tower displacement real-time supervision device.
The following is a detailed description of the installation of the corridor connection device.
(1) The corridor is lifted to a height equal to that of the hydraulic climbing formwork through a tower crane, and the end connecting device with the active steering unit is connected with the hydraulic climbing formwork;
(2) the lower telescopic unit is controlled through wireless remote control, so that the length of a steel frame corridor is adjusted to be matched with the current construction interval of the tower body, one end of the connecting device with the passive steering unit is connected with the hydraulic climbing formwork, and in the connecting process, the firmness of the connecting part and whether the steering device is in a locking state or not are checked;
(3) the supporting unit 8 is respectively anchored with the hydraulic creeping formwork and the supporting units at two ends of the corridor for fixing the steel plate;
(4) the safety steel cable penetrates into the safety guide rail before being installed in the steel frame corridor, after the connecting devices at the two ends of the steel frame corridor are fixed, the two ends of the safety steel cable are anchored on the main tower, a constructor fastens a safety belt, and walks into the steel frame corridor to lay a pedal;
(5) the subsequent operation and installation along with the climbing of the hydraulic climbing formwork are similar, when the hydraulic climbing formwork is climbed, the safety steel cable, the connecting device and the supporting unit of the hydraulic climbing formwork at the end to be climbed are loosened, and after the climbing of the hydraulic climbing formwork is finished, the steps from (1) to (4) are repeated to adjust and install.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A corridor connection system for two towers of a portal main tower, comprising:
the corridor device body is a steel frame corridor which can be adjusted in a telescopic way;
the connecting devices are arranged at two ends of the corridor device body, one end of each connecting device is connected with the corridor device body, and the other end of each connecting device is connected with an operating platform of the hydraulic climbing formwork;
the steering adjusting device is in transmission connection with the connecting device through the gear unit to realize steering adjustment of the connecting device;
the tower offset displacement monitoring device is arranged at the two ends of a guardrail (2) of the corridor device body, and the straightness detection of the corridor device body is realized.
2. A hallway connection system of two towers of a main portal tower according to claim 1, further comprising safety devices, said safety devices comprising safety rails (11) and safety cables (12);
the safety guide rail (11) is welded on the guardrail (2) of the corridor device body and is adjusted along with the guardrail (2) and the corridor device body in a telescopic mode;
the safety steel cable (12) penetrates through the safety guide rail (11), and two ends of the safety steel cable (12) are respectively anchored on the main tower columns at the two ends.
3. A gateway main tower two-tower corridor connection system according to claim 1, wherein said corridor device body comprises an upper corridor and a lower telescopic unit (5), said lower telescopic unit (5) being adapted to the telescopic movement of the upper corridor for making corresponding folding and extension changes.
4. A gateway main tower two-tower corridor connection system according to claim 1, wherein the upper corridor comprises walkway rails (1), guardrails (2), foldable footrests;
the walkway steel rail (1) is of a telescopic adjusting structure;
the guardrail (2) is welded on the walkway steel rail (1) and can be adjusted together with the walkway steel rail (1) in a telescopic way;
the foldable pedal is connected with the walkway steel rail (1) and can be folded along with the walkway steel rail (1).
5. A gateway main tower two-tower corridor connection system according to claim 4, wherein the foldable pedal is formed by connecting a plurality of pedal blocks, and each pedal block is fixedly connected with the walkway steel rail (1) through a buckle.
6. A gateway main tower two-tower corridor connection system according to claim 1, characterised in that said connection means comprises a gripping unit (6), an anchoring unit (7) and a support unit (8);
the clamping unit (6) is connected with a guardrail (2) of the hydraulic creeping formwork;
the anchoring unit (7) is anchored on an operating platform of the hydraulic creeping formwork;
the supporting unit (8) supports the corridor device body and effectively transmits the stress of the corridor device body to the hydraulic climbing formwork.
7. A gateway main tower two-tower corridor connection system according to claim 6, characterised in that said gripping unit (6) is a steel tube swivel fastener.
8. The corridor connection system of two tower bodies of a gantry main tower as claimed in claim 1, wherein the steering adjustment device comprises an active steering unit and a passive steering unit respectively arranged at two ends of the connection device;
the active steering unit comprises a hydraulic oil cylinder (9), a push rod connected with an output shaft of the hydraulic oil cylinder (9) and a gear arranged on the connecting device, wherein the push rod is pressed on the gear, and the rotation angle of the connecting device is controlled by controlling the push-out displacement of the hydraulic oil cylinder (9).
9. The corridor connection system of two tower bodies of a portal main tower as claimed in claim 1, wherein the tower offset monitoring device comprises an infrared range finder arranged on the corridor device body and a prism arranged on the main tower;
the distance from the position to the main tower at the same horizontal height with the corridor device body is measured by an infrared measurement method, the distance and the angle between the main tower and a prism arranged on the main tower are measured, and the tower offset displacement is measured through observation data and a calculation result.
10. A gateway main tower two-tower corridor connection system according to claim 6, characterised in that one end of the support unit (8) is welded to the connecting rod of the connection device and the other end is in anchored connection with the steel plates provided at both ends of the steel frame corridor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018042.XA CN112144398B (en) | 2020-09-24 | 2020-09-24 | Corridor connecting system of two tower bodies of gantry main tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011018042.XA CN112144398B (en) | 2020-09-24 | 2020-09-24 | Corridor connecting system of two tower bodies of gantry main tower |
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| CN112144398A true CN112144398A (en) | 2020-12-29 |
| CN112144398B CN112144398B (en) | 2021-12-07 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0906766D0 (en) * | 2009-04-20 | 2009-06-03 | Bell Mark R | Lifting system |
| CN203361593U (en) * | 2013-07-18 | 2013-12-25 | 中石化第五建设有限公司 | High-altitude telescopic operation platform for flare tower installation and construction |
| CN204691306U (en) * | 2015-06-04 | 2015-10-07 | 浙江宝业建设集团有限公司 | A kind of scalable ladder for building |
| CN205476497U (en) * | 2016-02-25 | 2016-08-17 | 中国建筑第八工程局有限公司 | High void tower hangs vestibule |
| CN205654060U (en) * | 2016-04-26 | 2016-10-19 | 浙江精工钢结构集团有限公司 | Scalable high altitude construction passageway |
| CN206205446U (en) * | 2016-11-15 | 2017-05-31 | 北京博大经开建设有限公司 | A kind of steel assembles passage |
| CN207121808U (en) * | 2017-08-18 | 2018-03-20 | 太重（天津）重型装备科技开发有限公司 | For personnel's conveying device between pier |
| CN108408612A (en) * | 2018-05-04 | 2018-08-17 | 孙国兵 | A kind of tower crane occasional passage and its installation method |
| CN108750970A (en) * | 2018-06-07 | 2018-11-06 | 重庆工业职业技术学院 | A kind of tower crane occasional passage and its installation method |
| CN211470603U (en) * | 2019-12-24 | 2020-09-11 | 中国建筑第二工程局有限公司 | Telescopic tower crane passageway |
-
2020
- 2020-09-24 CN CN202011018042.XA patent/CN112144398B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0906766D0 (en) * | 2009-04-20 | 2009-06-03 | Bell Mark R | Lifting system |
| CN203361593U (en) * | 2013-07-18 | 2013-12-25 | 中石化第五建设有限公司 | High-altitude telescopic operation platform for flare tower installation and construction |
| CN204691306U (en) * | 2015-06-04 | 2015-10-07 | 浙江宝业建设集团有限公司 | A kind of scalable ladder for building |
| CN205476497U (en) * | 2016-02-25 | 2016-08-17 | 中国建筑第八工程局有限公司 | High void tower hangs vestibule |
| CN205654060U (en) * | 2016-04-26 | 2016-10-19 | 浙江精工钢结构集团有限公司 | Scalable high altitude construction passageway |
| CN206205446U (en) * | 2016-11-15 | 2017-05-31 | 北京博大经开建设有限公司 | A kind of steel assembles passage |
| CN207121808U (en) * | 2017-08-18 | 2018-03-20 | 太重（天津）重型装备科技开发有限公司 | For personnel's conveying device between pier |
| CN108408612A (en) * | 2018-05-04 | 2018-08-17 | 孙国兵 | A kind of tower crane occasional passage and its installation method |
| CN108750970A (en) * | 2018-06-07 | 2018-11-06 | 重庆工业职业技术学院 | A kind of tower crane occasional passage and its installation method |
| CN211470603U (en) * | 2019-12-24 | 2020-09-11 | 中国建筑第二工程局有限公司 | Telescopic tower crane passageway |
Non-Patent Citations (2)
| Title |
|---|
| 白锋等: "《建筑施工技术》", 31 July 2004, 中国建筑工业出版社 * |
| 谢社初等: "《建筑业企业专业技术管理人员岗位资格考试指导用书 施工员 电气 第2版》", 31 March 2013, 中国环境出版社 * |
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