CN208777151U - A kind of stay cable force regulating device - Google Patents

A kind of stay cable force regulating device Download PDF

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Publication number
CN208777151U
CN208777151U CN201821295932.3U CN201821295932U CN208777151U CN 208777151 U CN208777151 U CN 208777151U CN 201821295932 U CN201821295932 U CN 201821295932U CN 208777151 U CN208777151 U CN 208777151U
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CN
China
Prior art keywords
hydraulic cylinder
girder
regulating device
force regulating
stay cable
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CN201821295932.3U
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Chinese (zh)
Inventor
张建东
毛泽亮
刘朵
王枭
金文刚
梁博
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Nanjing Tech University
JSTI Group Co Ltd
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Nanjing Tech University
JSTI Group Co Ltd
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Abstract

The utility model discloses a kind of stay cable force regulating devices, belong to bridge construction field, it is intended to provide a kind of mobile load variation when can incude vehicle driving, adjust the stay cable force regulating device of suspension cable stress, to solve the problems, such as the amount of deflection mutation of girder, drip irrigation device is as follows, a kind of stay cable force regulating device, stay cable force regulating device is arranged on girder, comprising: hydraulic cylinder, sensor and control device;The hydraulic cylinder is set between girder and suspension cable and affixed with girder, and the piston rod of the hydraulic cylinder is affixed by connector and suspension cable;The sensor is set to hydraulic cylinder lower end;The hydraulic cylinder, sensor and control device electrical connection.The utility model is adjusted suitable for stay cable force.

Description

A kind of stay cable force regulating device
Technical field
The utility model relates to bridge construction field, in particular to a kind of stay cable force regulating device.
Background technique
Cable-stayed bridge is a kind of combination stressed system bridge, and external load is undertaken by girder by curved pressure, suspension cable tension.Oblique pull The stress of bridge can regard the suspension cable made of high-strength steel as and sling girder multiple spot, girder dead load and act on girder Mobile load reaches king-post by suspension cable, then reaches ground by king-post basis.Under asymmetric live loading, suspension cable is to girder Elastic bearing effect influenced along bridge to curved by king-post, limitation tower top horizontal displacement be control girder mobile load internal force pass Key.It holds anchor cable to structural internal force and while having deformed larger effect, also takes on biggish life-load stress amplitude of variation, make fatigue Problem is very prominent.
The self weight intensity of large span stayed-cable bridge girder is very big, and the mobile load Suo Li increment very little of suspension cable only accounts for entire Suo Li 20%, but mobile load generate girder and king-post moment of flexure far more than dead load, become the major part of moment of flexure.
It is the main indicator for embodying cable-stayed bridge rigidity in view of tive load deflection, the present inventor is based on being engaged in such product engineering and answering With practical experience abundant and professional knowledge for many years, and cooperate the utilization of scientific principle, is subject to research and innovation, actively to found one kind Stay cable force regulating device makes it with more practicability.
Utility model content
The purpose of the utility model is to provide a kind of stay cable force regulating devices, have mobile load when can incude vehicle driving The advantages of variation adjusts suspension cable stress, solves the amount of deflection mutation problems of girder.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of stay cable force regulating device, stay cable force regulating device are arranged on girder, comprising: hydraulic cylinder, sensor And control device;
The hydraulic cylinder is set between girder and suspension cable and affixed with girder, and the piston rod of the hydraulic cylinder passes through company Fitting is affixed with suspension cable;
The sensor is set to hydraulic cylinder lower end;
The hydraulic cylinder, sensor and control device electrical connection.
Further, the control device includes artificial intelligence detection unit and actuator, and the artificial intelligence detection is single Member and actuator are all set in girder.
Further, the girder is equipped with the anchor block being correspondingly arranged with hydraulic cylinder, and the hydraulic cylinder is far from suspension cable One end embedment girder anchor block in.
Further, the connector includes anchor beam and intermediate plate;
The suspension cable is made of several steel strand wires, and the steel strand wires are arranged in intermediate plate, if offering on the anchor beam The dry taper hole being caught in for intermediate plate;
The piston rod of the hydraulic cylinder is in hollow setting, and the inner sidewall of the piston rod of the hydraulic cylinder is equipped with internal screw thread, institute The outside for stating anchor beam is equipped with the external screw thread being adapted to internal screw thread.
Further, the intermediate plate is tapered, and the side that the intermediate plate is relatively large in diameter is arranged in multiple-piece, in the intermediate plate Wall is equipped with several anti-slop serrations bands, and the anti-slop serrations band is arranged along the bus of intermediate plate.
Further, the actuator includes several control valves;
Piston is equipped in the hydraulic cylinder, hydraulic cylinder inner space is divided into upper chamber and lower chambers by the piston, described Upper chamber and lower chambers are equipped with nozzle, and the nozzle is communicated with oil pipe, and the control valve is set on oil pipe.
Further, the piston is equipped with several oilholes, and the axis of the oilhole is parallel with the axis of the piston rod.
Further, the hydraulic cylinder is equipped with several along girder extending direction.
The utility model has the following beneficial effects:
The stay cable force regulating device can buffer stress mutation caused by the mobile loads such as vehicle, and it is bent to mitigate tive load deflection variation Line reduces the vibration frequency of girder, improves pontic vibration comfort, alleviates the fatigue problem under the long-term alternate load of suspension cable.
It, can quick response girder receipts by the way that sensor is set to hydraulic cylinder lower end and is located at girder and hydraulic cylinder junction The mobile load arrived;
By the series connection between sensor, and artificial intelligence detection unit is accessed, the driving status of vehicle can be perceived, in advance Prediction Main Girder Deflection changes and makes counte-rplan;
The disengaging oil mass that each hydraulic cylinder is controlled by actuator, accomplishes the stress coordination between suspension cable, passes through vehicle Out-of-date main beam stress is more reasonable.
By sensor perception, the analysis of artificial intelligence detection unit, actuator control and hydraulic cylinder works this circulations, In the self-teaching and continuous escalation process of artificial intelligence, adjust Suo Li by rationally becoming more rationally until optimum state.
Detailed description of the invention
Fig. 1 is in embodiment 1 for embodying whole connection relationship diagram;
Fig. 2 is in embodiment 1 for embodying hydraulic cylinder schematic diagram of internal structure;
Fig. 3 is in embodiment 1 for embodying the connection relationship diagram between piston rod and anchor beam;
Fig. 4 is in embodiment 1 for embodying the connection relationship diagram between anchor beam, intermediate plate and steel strand wires;
Fig. 5 is in embodiment 2 for embodying the connection relationship diagram between intermediate plate, anti-slop serrations band and anti-rotation crotch.
In figure, 1, girder;11, anchor block;2, hydraulic cylinder;21, piston rod;211, internal screw thread;22, piston;221, oilhole; 23, upper chamber;24, lower chambers;3, sensor;4, control device;41, artificial intelligence detection unit;42, actuator;421, it controls Valve processed;5, suspension cable;51, steel strand wires;6, connector;61, anchor beam;611, taper hole;612, external screw thread;62, intermediate plate;621, prevent Slip teeth band;6211, anti-rotation crotch;7, nozzle;71, oil pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of stay cable force regulating device, as shown in Figure 1, stay cable force regulating device is arranged on girder 1, including hydraulic Cylinder 2, sensor 3 and control device 4 are electrically connected between three.Hydraulic cylinder 2 is equipped with several along 1 extending direction of girder, if It is placed between girder 1 and suspension cable 5 and affixed with girder 1.Control device 4 includes artificial intelligence detection unit 41 and actuator 42, artificial intelligence detection unit 41 and actuator 42 are all set in girder 1.By the series connection between sensor 3, and access artificial Intelligent detection unit 41, can perceive the driving status of vehicle, and 1 amount of deflection of look-ahead girder changes and makes counte-rplan.
As shown in Figure 1, sensor 3 is set to 2 lower end of hydraulic cylinder and is located at girder 1 and 2 junction of hydraulic cylinder, can quickly ring The mobile load for answering girder 1 to receive.
As depicted in figs. 1 and 2, actuator 42 includes several control valves 421, is equipped with piston 22, piston 22 in hydraulic cylinder 2 2 inner space of hydraulic cylinder is divided into upper chamber 23 and lower chambers 24, upper chamber 23 and lower chambers 24 are equipped with nozzle 7, and nozzle 7 connects It is connected with oil pipe 71, control valve 421 is set on oil pipe 71.The disengaging oil mass of each hydraulic cylinder 2 is controlled by control valve 421, Accomplish the stress coordination between suspension cable 5,1 stress of girder is more reasonable when passing through vehicle.
As shown in Fig. 2, piston 22 is equipped with several oilholes 221, the axis of oilhole 221 and the centerline parallel of hydraulic cylinder 2.
Preferably, as shown in Figure 1, being equipped with the anchor block 11 being correspondingly arranged with hydraulic cylinder 2, hydraulic cylinder 2 on girder 1 In the anchor block 11 of one end embedment girder 1 far from suspension cable 5.Fixer cylinder pressure 2 in this way makes hydraulic cylinder 2 and master Beam 1 is connected firmly stabilization, improves the safety and stability of bridge.
As shown in Figure 3 and Figure 4, the piston rod 21 of hydraulic cylinder 2 is by connector 6 and suspension cable 5(referring to Fig. 1) it is affixed, even Fitting 6 includes anchor beam 61 and intermediate plate 62, wherein suspension cable 5 is made of several steel strand wires 51, and steel strand wires 51 are arranged in intermediate plate 62 In, several taper holes 611 being caught in for intermediate plate 62 are offered on anchor beam 61.In order to which anchor beam 61 and the piston rod 21 of hydraulic cylinder 2 are consolidated It is fixed, the piston rod 21 of hydraulic cylinder 2 is set as hollow, internal screw thread 211, anchor beam are set in the inner sidewall of the piston rod 21 of hydraulic cylinder 2 61 outside is equipped with the external screw thread 612 being adapted to internal screw thread 211.By the anchor beam 61 of the steel strand wires 51 anchored and hydraulic cylinder 2 Piston rod 21 is fixedly connected, and this connection type is avoided using outer clamp, and has reliable connective stability.
This is worked by the perception of sensor 3, the analysis of artificial intelligence detection unit 41, the control of actuator 42 and hydraulic cylinder 2 One circulation adjusts Suo Li by rationally becoming more in the self-teaching and continuous escalation process of artificial intelligence detection unit 41 Rationally until optimum state.
The stay cable force regulating device can buffer stress mutation caused by the mobile loads such as vehicle, and it is bent to mitigate tive load deflection variation Line reduces the vibration frequency of girder 1, improves pontic vibration comfort, and the fatigue alleviated under the long-term alternate load of suspension cable 5 is asked Topic.
Embodiment 2: a kind of stay cable force regulating device, difference from example 1 is that, as shown in figure 5, intermediate plate 62 Tapered, the side that intermediate plate 62 is relatively large in diameter is arranged in multiple-piece, and in the present embodiment, the side that intermediate plate 62 is relatively large in diameter is in three pieces Formula setting, 62 inner wall of intermediate plate are equipped with several anti-slop serrations bands 621, and anti-slop serrations band 621 is arranged along the bus of intermediate plate 62.Anti-slop serrations band 621 are equipped with anti-rotation crotch 6211, and the setting of anti-rotation crotch 6211 makes steel strand wires 51 be not susceptible to rotate, enables steel strand wires 51 It is kept fixed with intermediate plate 62, during 51 subsequent use of steel strand wires, steel strand wires 51 are not easy to be detached from intermediate plate 62, improve The safety that pontic uses.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of stay cable force regulating device, stay cable force regulating device is arranged on girder (1) characterized by comprising liquid Cylinder pressure (2), sensor (3) and control device (4);
The hydraulic cylinder (2) be set to it is between girder (1) and suspension cable (5) and affixed with girder (1), the hydraulic cylinder (2) Piston rod (21) is affixed by connector (6) and suspension cable (5);
The sensor (3) is set to hydraulic cylinder (2) lower end;
The hydraulic cylinder (2), sensor (3) and control device (4) electrical connection.
2. a kind of stay cable force regulating device according to claim 1, which is characterized in that the control device (4) includes Artificial intelligence detection unit (41) and actuator (42), the artificial intelligence detection unit (41) and actuator (42) are all set in Girder (1).
3. a kind of stay cable force regulating device according to claim 1, which is characterized in that the girder (1) be equipped with The anchor block (11) that hydraulic cylinder (2) is correspondingly arranged, the anchor of one end embedment girder (1) of the hydraulic cylinder (2) far from suspension cable (5) Gu in block (11).
4. a kind of stay cable force regulating device according to claim 1, which is characterized in that the connector (6) includes anchor Beam (61) and intermediate plate (62);
The suspension cable (5) is made of several steel strand wires (51), and the steel strand wires (51) are arranged in intermediate plate (62), the anchor beam (61) several taper holes (611) being caught in for intermediate plate (62) are offered on;
The piston rod (21) of the hydraulic cylinder (2) is in hollow setting, and the inner sidewall of the piston rod (21) of the hydraulic cylinder (2) is equipped with Internal screw thread (211), the outside of the anchor beam (61) are equipped with the external screw thread (612) being adapted to internal screw thread (211).
5. a kind of stay cable force regulating device according to claim 4, which is characterized in that the intermediate plate (62) is tapered, The side that the intermediate plate (62) is relatively large in diameter is arranged in multiple-piece, and intermediate plate (62) inner wall is equipped with several anti-slop serrations bands (621), The anti-slop serrations band (621) is arranged along the bus of intermediate plate (62).
6. a kind of stay cable force regulating device according to claim 2, which is characterized in that the actuator (42) is if include Dry control valve (421);
Piston (22) are equipped in the hydraulic cylinder (2), hydraulic cylinder (2) inner space is divided into upper chamber (23) by the piston (22) With lower chambers (24), the upper chamber (23) and lower chambers (24) are equipped with nozzle (7), and the nozzle (7) is communicated with oil pipe (71), the control valve (421) is set on oil pipe (71).
7. a kind of stay cable force regulating device according to claim 6, which is characterized in that the piston (22) is if be equipped with The axis in drier oil hole (221), the oilhole (221) is parallel with the axis of the piston rod (21).
8. a kind of stay cable force regulating device according to claim 1, which is characterized in that the hydraulic cylinder (2) is along girder (1) extending direction is equipped with several.
CN201821295932.3U 2018-08-10 2018-08-10 A kind of stay cable force regulating device Active CN208777151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821295932.3U CN208777151U (en) 2018-08-10 2018-08-10 A kind of stay cable force regulating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821295932.3U CN208777151U (en) 2018-08-10 2018-08-10 A kind of stay cable force regulating device

Publications (1)

Publication Number Publication Date
CN208777151U true CN208777151U (en) 2019-04-23

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946058A (en) * 2020-08-17 2020-11-17 中国十七冶集团有限公司 Formwork supporting fixing device of Y-shaped high-rise concrete structure and construction method
CN112051081A (en) * 2020-09-08 2020-12-08 安徽工业大学 Large-cantilever safe intelligent construction system and method for directly guiding construction by experimental data
CN112065042A (en) * 2020-09-08 2020-12-11 安徽工业大学 Large-cantilever safe and intelligent construction system and method for flow and template displacement control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946058A (en) * 2020-08-17 2020-11-17 中国十七冶集团有限公司 Formwork supporting fixing device of Y-shaped high-rise concrete structure and construction method
CN112051081A (en) * 2020-09-08 2020-12-08 安徽工业大学 Large-cantilever safe intelligent construction system and method for directly guiding construction by experimental data
CN112065042A (en) * 2020-09-08 2020-12-11 安徽工业大学 Large-cantilever safe and intelligent construction system and method for flow and template displacement control
CN112065042B (en) * 2020-09-08 2022-03-29 安徽工业大学 Large-cantilever safe and intelligent construction system and method for flow and template displacement control

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