CN212780264U - Suspension bridge AS method main cable strand boot steel wire test system - Google Patents
Suspension bridge AS method main cable strand boot steel wire test system Download PDFInfo
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- CN212780264U CN212780264U CN202021077566.1U CN202021077566U CN212780264U CN 212780264 U CN212780264 U CN 212780264U CN 202021077566 U CN202021077566 U CN 202021077566U CN 212780264 U CN212780264 U CN 212780264U
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Abstract
The utility model discloses a cable bridge steel wire test system, in particular to a suspension bridge AS method main cable strand boot steel wire test system, belonging to the suspension bridge device technical field; the system comprises a test platform, wherein test strand boots are arranged at two ends of the test platform, a steel wire is wound between the test strand boots, two ends of the steel wire are respectively fixed on the 2 test strand boots, one end part of the test platform is also provided with a tension device, the tension device provides tension for the test strand boots through a clamping mechanism, and the test strand boots at the other side are fixedly connected on a test bed; the utility model discloses with the help of the effectual prerequisite that has realized not hindering the steel wire of thigh boots structural design can transmit the load effectively under to and realized the homogeneity of steel wire atress, the stability direct relation of steel wire and thigh boots reaches the stability of overall structure, and this design realizes the condition under the state of emulation of thigh boots and steel wire, effectual verification thigh boots and main cable steel wire interact back, and whether the bearing capacity and the steel wire of thigh boots remain intact.
Description
Technical Field
The utility model relates to a suspension bridge steel wire test system, especially a suspension bridge AS method owner cable strand boots steel wire test system belong to suspension bridge technical field.
Background
The design Specification for Highway suspension bridges (JTG/T D65-05-2015). In order to verify the reliability of core components and ensure the structure safety, a strand boot steel wire matching test needs to be carried out, the differences between the AS method for erecting the formed main cable and the PPWS method for erecting the formed main cable are mainly that the PPWS is a steel wire prefabricated cable strand in a factory. The AS method is to transport the steel wire to the site of the bridge site, so that one steel wire is repeatedly wound on the strand boots of the anchors at the two ends to form a main cable strand. The AS method has more steel wires of one strand, and China does not use a strand boot structure, so that the AS method is inexperienced in this respect in China.
The thigh boots and the pull rod are connected with the main cable steel wire and the anchoring backing plate, and the cable force of the main cable steel wire is transmitted to the pull rod through the thigh boots. The thigh boots bear the pressure of the main cable steel wire and simultaneously realize the steering, bending and centripetal pressure of the main cable steel wire. Because the strength indexes of the steel wires are fixed and cannot be adjusted at will, after interaction between the steel wires and the strand boots, the strand boots are considered to transmit strand force to the anchoring system, load can be effectively transmitted on the premise of not damaging the steel wires, and comparative test research must be carried out on the aspects of strength, hardness and the like of materials.
The purpose of the strand boot steel wire matching test is to verify whether the bearing capacity and the steel wire of a strand boot are intact or not after the strand boot interacts with a main cable steel wire, and the design key of a test model is to solve two problems, namely the problem of spinning forming of the main cable steel wire and the problem of stress uniformity of the steel wire.
Disclosure of Invention
The invention of the utility model aims to: aiming at the existing problems, the system for testing the steel wire of the main strand boot of the suspension bridge AS method can generate uniform tension on the steel wire in the process of testing the steel wire, and provides better test effect.
The utility model adopts the technical scheme as follows:
the utility model provides a suspension bridge AS method owner cable strand boots steel wire test system, including being used for experimental test platform, this test platform both ends are provided with experimental strand boots, the winding has the steel wire between this experimental strand boots, the steel wire both ends are fixed respectively on 2 experimental strand boots, a tip of this test platform still is provided with and is used for experimental tensile pulling force device that provides, this pulling force device provides the pulling force to the experimental strand boots that lie in corresponding tip through fixture, the experimental strand boots fixed connection of opposite side is on the test bench, this fixture position still is provided with and is used for detecting tensile detection mechanism.
Furthermore, this fixture includes the fork ear on fixed connection and the experimental thigh boots, is provided with the pull rod on this fork ear, and tension device provides the pulling force through pull rod and fork ear to experimental thigh boots.
Further, the tension device is assembled at the end part of the test bed through a supporting angle.
Furthermore, a detection mechanism is arranged at the position of the pull rod at the supporting angle, and the detection mechanism is a sensor used for detecting the tensile force applied to the pull rod.
Furthermore, a fork lug is connected with the test thigh boot fixedly connected with the test bed, the fork lug is provided with a pull rod, the test bed is correspondingly provided with an assembly hole, and the pull rod penetrates through the assembly hole and then is closed at the end part through a nut.
Furthermore, the test thigh boot fixedly connected with the test bed is connected with 2 fork ears, and each fork ear penetrates through an assembly hole through a pull rod and is closed through a nut.
Furthermore, the test thigh boots that are located the pulling force device tip are connected with 2 and hold a fork, and every holds a fork and is connected with the pull rod, and every pull rod provides the pulling force through 1 pulling force device respectively.
Further, the steel wire is wound on the test thigh shoe through a winding tool.
Further, the winding tool comprises a tool base, positioning screw holes are formed in two end portions of the tool base, and the test thigh boots are assembled on the tool base through the positioning screw holes.
Further, the winding tool further comprises tighteners located on two sides of the test strand shoe, chain blocks are further arranged at two end portions of the tool base, and pre-tightening of the steel wire is achieved through the chain blocks and the tighteners.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a suspension bridge AS method owner cable strand boots steel wire test system has filled the blank that present internal lack used strand boots structure, can transmit the load effectively under the effectual prerequisite of having realized not hindering the steel wire with the help of strand boots structural design to and realized the homogeneity of steel wire atress, especially in the field of suspension bridge, the stability direct relation of steel wire and strand boots arrives the stability of overall structure, and the effectual realization strand boots of this design and the condition of steel wire under the state of emulation, verify the strand boots and main cable steel wire interact back, whether the bearing capacity and the steel wire of strand boots remain intact.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is one of the structural schematic diagrams of the winding tool of the present invention;
fig. 3 is a second schematic structural view of the winding tool of the present invention.
The labels in the figure are: the method comprises the following steps of 1-a test platform, 2-a test strand shoe, 3-a steel wire, 4-a tension device, 5-a detection mechanism, 6-a fork lug, 7-a pull rod, 8-a supporting angle, 9-a tool base, 10-a positioning screw hole, 11-a steel wire pressing plate, 12-a wire tightener and 13-a chain block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
The utility model provides a suspension bridge AS method owner cable strand boots steel wire test system, AS shown in fig. 1 to 3, including being used for experimental test platform 1, 1 both ends of this test platform are provided with experimental strand boots 2, the winding has steel wire 3 between this experimental strand boots 2, the steel wire both ends are through fixing respectively on 2 experimental strand boots, a tip of this test platform still is provided with and is used for experimental tensile pulling force device 4 that provides, this pulling force device provides the pulling force to the experimental strand boots that lie in corresponding tip through fixture, the experimental strand boots fixed connection of opposite side is on the test bench, this fixture position still is provided with and is used for detecting tensile detection mechanism 5.
In foretell specific design, the pulling force device can provide certain pulling force to the pull rod, and the pull rod then can transmit power for fork ear, transmits behind the fork ear atress for experimental thigh boots, provides a pulling force to the steel wire with the help of the effect of experimental thigh boots to under the effect of pulling force, with the help of detection mechanism in order to realize the measuring of power.
As a more specific design, the two ends of the steel wire are respectively fixed on 2 test thigh boots through steel wire pressing plates 11.
The clamping structure is designed in a refining mode, specifically, the clamping structure comprises fork lugs 6 fixedly connected with the test thigh boots, pull rods 7 are arranged on the fork lugs, and the tension device provides tension for the test thigh boots through the pull rods 7 and the fork lugs 6. The clamping structure can effectively promote the stress of the whole system all the time.
As a specific design, the tension device 4 is mounted at the end of the test stand via a brace angle 8. Specifically, the tension device is a jack. The main purpose of the installation of the jack is to facilitate the installation of the jack by the effect of the supporting angle, and the jack is also required to provide more proper pulling force.
As a further design, the structure of the pull rod is designed more specifically, a detection mechanism 5 is arranged at the position of the pull rod at the supporting angle, and the detection mechanism is a sensor used for detecting the tensile force applied to the pull rod. In the motion process of the system, due to the stress of the serial structure, the stress is consistent on the stress line, and the detection mechanism is arranged at the supporting angle for the convenience of detection. In addition, sensors which measure forces and torques are among the most common components.
As a further optimization, specifically, a fork lug is connected to the test thigh boot fixedly connected to the test bed, the fork lug is provided with a pull rod, the test bed is correspondingly provided with an assembly hole, and the pull rod penetrates through the assembly hole and then is closed by a nut. In the design of structure, as more detailed description, the fork lugs on the test thigh boots at the two end parts are arranged at the same position, and after the pull rod is assembled, the axes of the thigh boots are on the same horizontal line to ensure the test effect. More specifically, the fork lug is fixedly connected with the pull rod. As the design of the specific structure of the fork ear, the test thigh boots are assembled in the assembling grooves of the fork ear, the corresponding shaft holes are formed in the test thigh boots and the fork ear, and the shaft holes are penetrated through the pin shafts to realize the assembly between the fork ear and the thigh boots. Specifically, the test thigh boot fixedly connected with the test bed is also connected with a clamping mechanism, and the clamping mechanism is consistent with the above description and comprises a fork lug, and the fork lug is provided with a pull rod.
On the basis of the specific design structure, as a further optimized design, the test thigh boots fixedly connected with the test bed are connected with 2 fork lugs, and each fork lug penetrates through an assembly hole through a pull rod and is closed through a nut.
As the same design, specifically, the experimental thigh boots that are located the tension device tip are connected with 2 fork ears, and every fork ear is connected with the pull rod, and every pull rod provides the pulling force through 1 tension device respectively.
On the basis of the specific design, the arrangement modes and the positions of the fork lugs at the two end parts are the same, and in addition, the two fork lugs on the same test thigh boot are symmetrically arranged along the axis of the thigh boot.
In the winding of the steel wire, as a more specific design, the steel wire is wound on the test thigh shoe by the winding tool.
The winding tool is structurally specified, as a more specific design, the winding tool comprises a tool base 9, positioning screw holes 10 are formed in two end portions of the tool base, and the test thigh boots are assembled on the tool base through the positioning screw holes.
As specific design, the winding tool further comprises tighteners 12 located on two sides of the test strand shoe, chain blocks 13 are further arranged at two end portions of the tool base, and pre-tightening of the steel wire and uniformity of stress of the steel wire are achieved through the chain blocks and the tighteners.
Based on the above-mentioned specific description, the frock base is the frock frame, is provided with the shaped steel of strengthening intensity in the frame. The two ends of the tooling base are provided with mounting plate bodies, the chain block and the positioning screw holes are arranged on the mounting plate bodies
To sum up, the utility model discloses a suspension bridge AS method owner cable strand boots steel wire test system has filled the blank that present internal lack used strand boots structure, can transmit the load effectively under the effectual prerequisite of having realized not hindering the steel wire with the help of strand boots structural design to and realized the homogeneity of steel wire atress, especially in the field of suspension bridge, the stability direct relation of steel wire and strand boots reaches the stability of whole structure, and the effectual realization of this design strand boots and the condition of steel wire under the state of emulation, verify the strand boots and main cable steel wire interact after, whether bearing capacity and the steel wire of strand boots remain intact.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a suspension bridge AS method owner cable strand boots steel wire test system which characterized in that: including being used for experimental test platform (1), this test platform (1) both ends are provided with experimental thigh boots (2), the winding has steel wire (3) between this experimental thigh boots (2), the steel wire both ends are through fixing respectively on 2 experimental thigh boots, a tip of this test platform still is provided with and is used for experimental tensile pulling force device (4) that provides, this pulling force device provides the pulling force to the experimental thigh boots that lie in corresponding tip through fixture, the experimental thigh boots fixed connection of opposite side is on the test bench, this fixture position still is provided with and is used for detecting tensile detection mechanism (5).
2. The suspension bridge AS method main strand shoe wire test system of claim 1, wherein: the clamping mechanism comprises fork lugs (6) fixedly connected with the test thigh boots, pull rods (7) are arranged on the fork lugs, and the tension device provides tension for the test thigh boots through the pull rods (7) and the fork lugs (6).
3. The suspension bridge AS method main strand shoe wire test system of claim 2, wherein: the tension device (4) is assembled at the end part of the test bed through a supporting angle (8).
4. The suspension bridge AS method main strand shoe wire test system of claim 3, wherein: the pull rod position at the supporting angle is provided with a detection mechanism (5), and the detection mechanism is a sensor for detecting the tensile force applied to the pull rod.
5. The suspension bridge AS method main strand shoe wire test system of claim 1, wherein: the test thigh boots fixedly connected with the test bed are connected with fork ears, the fork ears are provided with pull rods, the test bed is correspondingly provided with assembly holes, and the pull rods penetrate through the assembly holes and then are closed through nuts.
6. The suspension bridge AS method main strand shoe wire test system of claim 5, wherein: the test thigh boots fixedly connected with the test bed are connected with 2 fork ears, and each fork ear penetrates through an assembling hole through a pull rod and is closed through a nut.
7. The suspension bridge AS method main strand shoe wire test system of claim 1, wherein: the test thigh boots that are located the pulling force device tip are connected with 2 and hold a fork, and every holds a fork and is connected with the pull rod, and every pull rod provides the pulling force through 1 pulling force device respectively.
8. The suspension bridge AS method main strand shoe wire test system of claim 1, wherein: the steel wire is wound on the test thigh boot through a winding tool.
9. The suspension bridge AS method main strand shoe wire test system of claim 8, wherein: the winding tool comprises a tool base (9), positioning screw holes (10) are formed in two end portions of the tool base, and the test thigh boots are assembled on the tool base through the positioning screw holes.
10. The suspension bridge AS method main strand shoe wire test system of claim 9, wherein: the winding tool further comprises tighteners (12) located on two sides of the test strand shoe, chain blocks (13) are further arranged at two end portions of the tool base, and pre-tightening of the steel wire is achieved through the chain blocks and the tighteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021077566.1U CN212780264U (en) | 2020-06-12 | 2020-06-12 | Suspension bridge AS method main cable strand boot steel wire test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021077566.1U CN212780264U (en) | 2020-06-12 | 2020-06-12 | Suspension bridge AS method main cable strand boot steel wire test system |
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| CN212780264U true CN212780264U (en) | 2021-03-23 |
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| CN202021077566.1U Active CN212780264U (en) | 2020-06-12 | 2020-06-12 | Suspension bridge AS method main cable strand boot steel wire test system |
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