Suspension bridge tunnel anchor anchorage

Abstract

The utility model discloses a suspension bridge tunnel anchor anchorage which comprises a pilot tunnel, a first anchor chamber and a second anchor chamber, an anchor block is arranged in the second anchor chamber, a plurality of cable strands are arranged on the anchor block, a cable scattering sleeve used for conducting scattered transmission on the cable strands is arranged in the first anchor chamber, and a plurality of cable strands are arranged on the cable scattering sleeve. The supporting assembly is arranged in the first anchor chamber and used for supporting the splay cable sleeve, and the supporting assembly comprises a mounting base. In the using process of the suspension bridge tunnel anchor anchorage, when stress generated in the concrete anchor block is not evenly distributed due to the pulling force effect of the main cable, the using position of the splay rope sleeve is adjusted and controlled by adjusting the supporting force of the splay rope sleeve through the supporting assemblies at the different positions, and therefore the using position of the splay rope sleeve is adjusted and controlled, and the service life of the splay rope sleeve is prolonged. The pulling force direction of each cable strand is adjusted through movement control of the splay cable sleeve, so that the center of the resultant force of the pulling force borne by the concrete anchor block coincides with the geometric center of the concrete anchor block, and the pulling and fixing effect of the concrete anchor is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of suspension bridge tunnel processing, in particular to an anchor for a suspension bridge tunnel. Background Art

[0002] Suspension bridge tunnel anchor is a general term for the main cable anchoring device. It is an important structural part that transfers the tension of the main cable to the foundation and supports the tension of the main cable. When the suspension bridge tunnel anchor is in use, the loose cable sleeve is an important component in the suspension bridge tunnel anchor, which is used to disperse the strands of the main cable and transfer them to the anchor block. In the anchor structure, due to the tension of the main cable, the stress distribution inside the concrete anchor block may not be uniform, resulting in a deviation between the center of the resultant tensile force on the concrete anchor and the geometric center of the anchor. The loose cable sleeve is in a fixed state in the anchor structure, resulting in the inability to correct and adjust the deviation in time, affecting the stable use of the anchor structure.

[0003] Therefore, a suspension bridge tunnel anchor is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a suspension bridge tunnel anchor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anchor for a suspension bridge tunnel, comprising a guide tunnel, a first anchor chamber and a second anchor chamber, an anchor block is arranged inside the second anchor chamber, a plurality of cable strands are arranged on the anchor block, a loose cable sleeve for dispersed transmission of the cable strands is arranged inside the first anchor chamber, and also includes a support assembly arranged inside the first anchor chamber for supporting the loose cable sleeve, the support assembly comprises a mounting seat, the mounting seat is fixed to the inside of the first anchor chamber by welding with a prefabricated steel plate, a mounting sleeve is arranged on one side of the mounting seat, one end of the mounting sleeve is rotatably connected to the mounting seat, a support rod is slidably connected to the mounting sleeve, one end of the support rod is rotatably connected to the outer side of the loose cable sleeve, an elastic force assembly for elastically pushing the support rod is arranged on the mounting sleeve, and an adjusting member for adjusting the elastic force of the elastic assembly is arranged on the mounting sleeve.

[0006] The support components are provided in multiple groups, and the multiple groups of support components are arranged in a ring array outside the loose cable sleeve.

[0007] The elastic component includes an annular plate fixed on the outside of the support rod, the outside of the mounting sleeve is slidably connected with a mounting ring through a sliding component, a spring for resisting and pushing each other is connected between the mounting ring and the annular plate, and the spring sleeve is arranged on the outside of the mounting sleeve.

[0008] The sliding assembly comprises a plurality of sliding grooves arranged on the mounting sleeve, each of the sliding grooves is slidably connected with a sliding block, and each of the sliding blocks is fixed to the inner wall of the mounting ring.

[0009] The adjusting member is a driving ring, the inner side of the driving ring is threadedly engaged with the outer side of the mounting sleeve, and one side of the driving ring is connected with one side of the mounting ring through a transmission assembly.

[0010] The transmission assembly comprises an annular groove arranged on one side of the driving ring, an annular block is rotatably connected to the annular groove, and the annular block is fixed to one side of the mounting ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model discloses a suspension bridge tunnel anchor. During the use of the suspension bridge tunnel anchor, when the stress distribution inside the concrete anchor block is uneven due to the tension of the main cable, the use position of the loose cable sleeve is adjusted and controlled by adjusting the supporting strength of the loose cable sleeve through the support components at different positions, and the tension direction of each cable strand is adjusted through the movement control of the loose cable sleeve, so that the center of the resultant pulling force on the concrete anchor block coincides with the geometric center of the concrete anchor block, thereby ensuring the tightening effect of the anchor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the anchor of the utility model;

[0015] Figure 3 This is a schematic diagram of the support assembly structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the elastic component structure of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the sliding assembly, the adjusting member and the transmission assembly of the utility model.

[0018] In the figure: 101, guide hole; 102, first anchor chamber; 103, second anchor chamber; 104, anchor block; 105, rope strand; 106, loose rope sleeve; 201, mounting seat; 202, mounting sleeve; 203, support rod; 301, annular plate; 302, mounting ring; 303, spring; 401, slide groove; 402, slider; 5, drive ring; 601, annular groove; 602, annular block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5 The utility model provides a suspension bridge tunnel anchor, comprising a guide tunnel 101, a first anchor chamber 102 and a second anchor chamber 103, wherein an anchor block 104 is arranged inside the second anchor chamber 103, and a plurality of cable strands 105 are arranged on the anchor block 104, and a loose cable sleeve 106 for dispersing the cable strands 105 is arranged inside the first anchor chamber 102, and further comprising a support assembly arranged inside the first anchor chamber 102 for supporting the loose cable sleeve 106, and the support assembly comprises a mounting seat 201, a mounting seat 202, and a mounting seat 203. 01 is fixed inside the first anchor chamber 102 by welding of a prefabricated steel plate, a mounting sleeve 202 is provided on one side of the mounting seat 201, one end of the mounting sleeve 202 is rotatably connected to the mounting seat 201, a support rod 203 is slidably connected to the mounting sleeve 202, one end of the support rod 203 is rotatably connected to the outer side of the loose cable sleeve 106, an elastic component for elastically pushing the support rod 203 is provided on the mounting sleeve 202, and an adjusting member for adjusting the elastic force of the elastic component is provided on the mounting sleeve 202;

[0021] It should be noted here that: during the use of the suspension bridge tunnel anchor, when the stress distribution inside the concrete anchor block 104 is uneven due to the tension of the main cable, the support strength of the loose cable sleeve 106 is adjusted by the support components at different positions, the use position of the loose cable sleeve 106 is adjusted and controlled, and the tension direction of each cable strand 105 is adjusted by the movement control of the loose cable sleeve 106, so that the center of the resultant pulling force on the concrete anchor block 104 coincides with the geometric center of the concrete anchor block 104, thereby ensuring the effect of anchor tightening.

[0022] There are multiple groups of support components, and the multiple groups of support components are arranged in a ring array outside the loose cable sleeve 106;

[0023] It should be noted here that the supporting effect is ensured by using multiple sets of supporting components.

[0024] The elastic component includes an annular plate 301 fixed on the outside of the support rod 203, and the outside of the mounting sleeve 202 is slidably connected with the mounting ring 302 through a sliding component. A spring 303 for resisting and pushing is connected between the mounting ring 302 and the annular plate 301, and the spring 303 is sleeved on the outside of the mounting sleeve 202;

[0025] It should be noted here that the support rod 203 is pushed by the spring 303 between the annular plate 301 and the mounting ring 302 .

[0026] The sliding assembly includes a plurality of slide grooves 401 provided on the mounting sleeve 202, each slide groove 401 is slidably connected with a slider 402, and each slider 402 is fixed to the inner wall of the mounting ring 302;

[0027] It should be noted here that: the sliding groove 401 and the sliding block 402 facilitate the sliding connection of the mounting ring 302 on the outside of the mounting sleeve 202 .

[0028] The adjusting member is a driving ring 5, the inner side of the driving ring 5 is threadedly engaged with the outer side of the mounting sleeve 202, and one side of the driving ring 5 is connected with one side of the mounting ring 302 through a transmission assembly;

[0029] It should be noted here that: the drive ring 5 is rotated on the outside of the mounting sleeve 202, and the drive ring 5 is moved on the outside of the mounting sleeve 202 through the mutual engagement transmission between the drive ring 5 and the outside of the mounting sleeve 202. During the movement of the drive ring 5, the mounting ring 302 is driven to move synchronously through the connection transmission action of the annular groove 601 and the annular block 602.

[0030] The transmission assembly includes an annular groove 601 formed on one side of the driving ring 5, an annular block 602 is rotatably connected to the annular groove 601, and the annular block 602 is fixed to one side of the mounting ring 302;

[0031] It should be noted that during the movement of the driving ring 5 , the mounting ring 302 is driven to move through the connection and transmission between the annular groove 601 and the annular block 602 .

[0032] Working principle: When the suspension bridge tunnel anchor is used, the tension of the main cable is dispersedly transmitted to the anchor block 104 of the second anchor chamber 103 through the loose cable sleeve 106. When the loose cable sleeve 106 is used, the elastic force of the elastic component on the mounting sleeve 202 acts on the support rod 203 to support the loose cable sleeve 106, so that the loose cable sleeve 106 can be used stably;

[0033] With the use of the anchoring structure, when the stress distribution inside the concrete anchor block 104 is uneven due to the tension of the main cable, the support strength of the different support components around the loose cable sleeve 106 is adjusted according to the actual uneven position. In the process of adjusting the support strength, the drive ring 5 is rotated on the outside of the installation sleeve 202, and the drive ring 5 is moved on the outside of the installation sleeve 202 through the mutual engagement transmission between the drive ring 5 and the outside of the installation sleeve 202. In the process of moving the drive ring 5, the installation ring is driven by the connection transmission effect of the annular groove 601 and the annular block 602. 302 moves synchronously, and the elastic force of the spring 303 between the mounting ring 302 and the annular plate 301 is adjusted by moving the mounting ring 302. By adjusting the elastic force, the supporting strength of the support assembly on the loose cable sleeve 106 is adjusted. By adjusting the supporting strength of the loose cable sleeve 106 by the support assembly at different positions, the use position of the loose cable sleeve 106 is adjusted and controlled. By controlling the movement of the loose cable sleeve 106, the pulling direction of each cable strand 105 is adjusted, so that the center of the resultant pulling force on the concrete anchor block 104 coincides with the geometric center of the concrete anchor block 104, thereby ensuring the effect of anchoring and tightening.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A suspension bridge tunnel anchor, comprising: A guide hole (101), a first anchor chamber (102) and a second anchor chamber (103), wherein an anchor block (104) is arranged inside the second anchor chamber (103), a plurality of cable strands (105) are arranged on the anchor block (104), and a loose cable sleeve (106) for dispersing the transmission of the cable strands (105) is arranged inside the first anchor chamber (102); It is characterized by further comprising: A support assembly for supporting a loosening sleeve (106) is arranged inside a first anchor chamber (102), the support assembly comprising a mounting seat (201), the mounting seat (201) being fixed inside the first anchor chamber (102) by welding with a prefabricated steel plate, a mounting sleeve (202) being arranged on one side of the mounting seat (201), one end of the mounting sleeve (202) being rotatably connected to the mounting seat (201), a support rod (203) being slidably connected to the mounting sleeve (202), one end of the support rod (203) being rotatably connected to the outer side of the loosening sleeve (106), an elastic assembly for elastically pushing the support rod (203) being arranged on the mounting sleeve (202), and an adjusting member for adjusting the elastic force supporting the elastic assembly being arranged on the mounting sleeve (202).

2. The suspension bridge tunnel anchor according to claim 1, characterized in that: The support components are provided in multiple groups, and the multiple groups of support components are arranged in a ring array outside the loose cable sleeve (106).

3. The suspension bridge tunnel anchor according to claim 1, characterized in that: The elastic force component comprises an annular plate (301) fixed on the outside of the support rod (203); the outside of the mounting sleeve (202) is slidably connected to a mounting ring (302) via a sliding component; a spring (303) for resisting and pushing each other is connected between the mounting ring (302) and the annular plate (301); the spring (303) is sleeved on the outside of the mounting sleeve (202).

4. The suspension bridge tunnel anchor according to claim 3, characterized in that: The sliding assembly comprises a plurality of sliding grooves (401) formed on the mounting sleeve (202), each of the sliding grooves (401) being slidably connected to a sliding block (402), and each of the sliding blocks (402) being fixed to the inner wall of the mounting ring (302).

5. The suspension bridge tunnel anchor according to claim 4, characterized in that: The adjusting member is a driving ring (5), the inner side of the driving ring (5) is threadedly engaged with the outer side of the mounting sleeve (202), and one side of the driving ring (5) is connected to one side of the mounting ring (302) via a transmission assembly.

6. The suspension bridge tunnel anchor according to claim 5, characterized in that: The transmission assembly comprises an annular groove (601) formed on one side of the driving ring (5), an annular block (602) being rotatably connected to the annular groove (601), and the annular block (602) is fixed to one side of the mounting ring (302).

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