阅读说明：本技术 一种横张纲主缆紧固调节装置 (Fastening and adjusting device for main cable of cross-tensioned steel rope ) 是由 刘刚 万伟 刘国峰 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种横张纲主缆紧固调节装置,包括：上夹板、下夹板、地锚连接件、导向轮、夹块及螺栓连接件；上夹板和下夹板相对设置,并连接为一体结构；地锚连接件安装在所述一体结构的一端；导向轮安装在上夹板和下夹板之间,并位于靠近地锚连接件的一端；两个夹块作为一个夹块组,两个以上夹块组分别固定在上夹板和下夹板之间,一个夹块组内的两个夹块相对,夹块的相对面加工有半圆弧形的通槽；一个夹块组内的两个夹块的半圆弧形的通槽组成两相对侧面开口的圆柱形通槽；一列夹块组的圆柱形通槽形成的圆柱形通道；本发明用于主缆架设过程中对主缆的便捷张拉、对主缆矢度的精准控制,并实现在主缆使用过程中矢度灵活调节的需求。(The invention discloses a fastening and adjusting device for a main cable of a cross-lacing line, which comprises: the device comprises an upper clamping plate, a lower clamping plate, a ground anchor connecting piece, a guide wheel, a clamping block and a bolt connecting piece; the upper clamping plate and the lower clamping plate are oppositely arranged and connected into an integral structure; the ground anchor connecting piece is arranged at one end of the integrated structure; the guide wheel is arranged between the upper clamping plate and the lower clamping plate and is positioned at one end close to the ground anchor connecting piece; the two clamping blocks are used as a clamping block group, more than two clamping block groups are respectively fixed between the upper clamping plate and the lower clamping plate, the two clamping blocks in one clamping block group are opposite, and the opposite surfaces of the clamping blocks are provided with semi-circular through grooves; the semicircular arc-shaped through grooves of the two clamping blocks in one clamping block group form two cylindrical through grooves with openings on opposite side surfaces; a cylindrical channel formed by the cylindrical through grooves of the clamping block groups; the main cable tensioning device is used for conveniently tensioning the main cable and accurately controlling the vector of the main cable in the main cable erecting process, and meets the requirement of flexibly adjusting the vector in the main cable using process.)

1. A device for fastening and adjusting a main cable of a cross-lacing line is characterized by comprising: the device comprises an upper clamping plate (1), a lower clamping plate (2), a ground anchor connecting piece (3), a guide wheel (4), a clamping block (5) and a bolt connecting piece;

the upper clamping plate (1) and the lower clamping plate (2) are oppositely arranged and are connected into an integral structure through a bolt connecting piece;

the ground anchor connecting piece (3) is arranged at one end of an integrated structure formed by the upper clamping plate (1) and the lower clamping plate (2);

the guide wheel (4) is arranged between the upper clamping plate (1) and the lower clamping plate (2) and is positioned at one end close to the ground anchor connecting piece (3);

the two clamping blocks (5) are used as a clamping block group, more than two clamping block groups are respectively fixed between the upper clamping plate (1) and the lower clamping plate (2), and the more than two clamping block groups are arranged along the same symmetrical center line in the length direction of the upper clamping plate (1) and the lower clamping plate (2); two clamping blocks (5) in one clamping block group are opposite, and a semi-circular arc-shaped through groove is formed in the opposite surface of each clamping block (5); the semicircular arc-shaped through grooves of the two clamping blocks (5) in one clamping block group form two cylindrical through grooves with openings on opposite side surfaces; the cylindrical through grooves of the clamping block groups form a continuous through cylindrical channel;

the ground anchor connecting piece (3) is connected with a ground anchor ring pre-buried on the ground; the end part of the main cable is guided out through the cylindrical channels of the more than two clamping block groups and the guide wheels (4), and after the required vector is adjusted through the tensioning of the mechanical traction mechanism, the clamping blocks (5) are clamped on the outer surface of the main cable through the bolt connecting piece, so that the main cable is fastened.

2. A device for tightening and adjusting a main cable of a transverse tension line according to claim 1, wherein the inner surface of the through groove of the clamping block (5) is processed into an anti-slip friction surface.

3. The device for tightening and adjusting the main cable of the cross-lacing line according to claim 1, wherein the bolt connecting pieces between the upper clamping plate (1) and the lower clamping plate (2) are arranged in double rows and are respectively positioned at two sides of more than two clamping block groups.

4. The device for tightening and adjusting the main cable of the cross-lacing line according to claim 2, wherein the bolt connecting pieces between the upper clamping plate (1) and the lower clamping plate (2) are arranged in double rows and are respectively positioned at two sides of more than two clamping block groups.

5. A device for tightening and adjusting a main cable of a transverse tension line according to any one of claims 1 to 4, wherein the cylindrical passages of more than two clamping block sets are coaxial.

6. A device for tightening and adjusting main cables in cross-sectional lines according to any one of claims 1 to 4, wherein the earth anchor connecting member (3) is fixedly or detachably attached to one end of the integrated structure of the upper plate (1) and the lower plate (2) by welding.

7. A device for tightening and adjusting main cables in cross-sectional lines, according to any one of claims 1 to 4, characterized in that two or more clamping blocks are fixed between the upper clamping plate (1) and the lower clamping plate (2) by welding, respectively.

8. A device for tightening and adjusting a main cable of a cross-sectional type according to any one of claims 1 to 4, wherein two or more clamping blocks are arranged uniformly along the length of the upper clamping plate (1) and the lower clamping plate (2).

9. A device for tightening and adjusting main cables of cross-sectional lines according to any one of claims 1 to 4, wherein the mechanical traction mechanism is a working vehicle or a winch.

10. A device for tightening and adjusting a main cable of a transverse tension line according to claim 5, wherein two or more clamping blocks are uniformly arranged along the length direction of the upper clamping plate (1) and the lower clamping plate (2).

Technical Field

The invention belongs to the technical field of fastening of main cables of cross-section ropes, and particularly relates to a fastening and adjusting device for main cables of cross-section ropes.

Background

In the floating bridge span line system, the main cable fastens the shore end and the ground anchor according to the required vector, which is the main requirement for ensuring the normal use of the span line system; in addition, in the floating bridge loading process, the main cable vector is gradually increased due to the fact that the transverse tension steel fixing system is subjected to alternating action of different amplitude forces. The main cable vector needs to be adjusted, otherwise, the through load of the floating bridge and the safety of the transverse span line fixing system can be affected, and the safety of the whole floating bridge is threatened.

The main cable is tensioned by a chain block, the main cable passes through an anchoring point and then is fixed by a certain number of rope clamps, the tensioning point of the chain block is required to be above the rope clamps, the rope clamp fixing section of the main cable can only be manually tensioned, and therefore after the chain block is loosened, the main cable is tensioned, and the vector of the main cable is inconsistent with the vector of the chain block during tensioning.

Disclosure of Invention

In view of this, the invention provides a fastening and adjusting device for a main cable of a cross-lacing line, which is used for conveniently tensioning the main cable and accurately controlling the vector of the main cable in the process of erecting the main cable, and meets the requirement of flexibly adjusting the vector in the process of using the main cable.

The invention is realized by the following technical scheme:

a device for fastening and adjusting main cables of a cross-lacing line comprises: the device comprises an upper clamping plate, a lower clamping plate, a ground anchor connecting piece, a guide wheel, a clamping block and a bolt connecting piece;

the upper clamping plate and the lower clamping plate are oppositely arranged and are connected into an integral structure through a bolt connecting piece;

the ground anchor connecting piece is arranged at one end of an integrated structure consisting of the upper clamping plate and the lower clamping plate;

the guide wheel is arranged between the upper clamping plate and the lower clamping plate and is positioned at one end close to the ground anchor connecting piece;

the two clamping blocks are used as a clamping block group, more than two clamping block groups are respectively fixed between the upper clamping plate and the lower clamping plate, and the more than two clamping block groups are arranged along the same symmetrical center line in the length direction of the upper clamping plate and the lower clamping plate; two clamping blocks in one clamping block group are opposite, and a semi-circular arc-shaped through groove is formed in the opposite surface of each clamping block; the semicircular arc-shaped through grooves of the two clamping blocks in one clamping block group form two cylindrical through grooves with openings on opposite side surfaces; the cylindrical through grooves of the clamping block groups form a continuous through cylindrical channel;

the ground anchor connecting piece is connected with a ground anchor ring pre-buried on the ground; the end part of the main cable is guided out through the cylindrical channels of the more than two clamping block groups and the guide wheels, and after the required vector is adjusted through the tensioning of the mechanical traction mechanism, the clamping blocks are clamped on the outer surface of the main cable through the bolt connecting piece, so that the main cable is fastened.

Furthermore, the inner surface of the through groove of the clamping block is processed into an anti-skidding friction surface.

Further, the bolt connecting pieces between the upper clamping plate and the lower clamping plate are arranged in double rows and are respectively positioned on two sides of more than two clamping block groups.

Furthermore, the cylindrical channels of more than two clamping block groups are coaxial.

Furthermore, the ground anchor connecting piece is fixedly or detachably arranged at one end of the integrated structure formed by the upper clamping plate and the lower clamping plate through welding.

Furthermore, more than two clamping block groups are respectively fixed between the upper clamping plate and the lower clamping plate through welding.

Furthermore, more than two clamping block groups are uniformly arranged along the length direction of the upper clamping plate and the lower clamping plate.

Further, the mechanical traction mechanism adopts an engineering truck or a winch.

Has the advantages that:

(1) the invention is applied to the fastening and vector adjustment of the end part of the main cable in the floating bridge transverse lacing system, and the opening and closing of the upper clamping plate and the lower clamping plate are adjusted by adjusting the tightness of the bolt connecting piece, so that the vector adjustment or the fastening state of the main cable is controlled; the guide wheel has a guide effect on the main cable, so that the mechanical traction mechanism can conveniently perform tensioning operation from different angles to adapt to maneuvering traction; the main cable is fastened through the double-layer clamping blocks; therefore, the invention has the characteristics of accurate vector control on the main cable, convenient operation and wide applicability.

(2) The inner surface of the through groove of the clamping block is processed into an anti-skidding friction surface, so that the main cable is prevented from sliding after being fastened, and the fastening reliability of the main cable is improved.

(3) The bolt connecting pieces between the upper clamping plate and the lower clamping plate are arranged in double rows and are respectively positioned on two sides of more than two clamping block groups, so that the main cable is prevented from being stressed unevenly in the process of fastening the main cable, and the fastening reliability of the main cable is improved.

(4) The cylindrical channels of the more than two clamping block groups are coaxial, and the more than two clamping block groups are uniformly arranged along the length direction of the upper clamping plate and the lower clamping plate, so that the main cable can move conveniently in the tensioning process.

Drawings

FIG. 1 is a front view of the structural components of the present invention;

FIG. 2 is a top view of the structural components of the present invention;

FIG. 3 is an assembled view of the clamp block;

FIG. 4 is a schematic diagram of the operation of the present invention;

the device comprises an upper clamping plate 1, a lower clamping plate 2, a ground anchor connecting piece 3, a guide wheel 4, a clamping block 5, a bolt 6, a nut 7 and a washer 8.

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

The embodiment provides a device for fastening and adjusting main cables of a cross-lacing line, which is shown in the attached figures 1-2 and comprises: the device comprises an upper clamping plate 1, a lower clamping plate 2, a ground anchor connecting piece 3, a guide wheel 4, a clamping block 5, a bolt 6, a nut 7 and a washer 8;

the structure of the upper clamping plate 1 is completely the same as that of the lower clamping plate 2, and the upper clamping plate 1 and the lower clamping plate 2 are oppositely arranged and are connected into an integral structure through a bolt 6, a nut 7 and a washer 8;

the ground anchor connecting piece 3 is fixedly or detachably arranged at one end of an integrated structure consisting of the upper clamping plate 1 and the lower clamping plate 2 by welding;

the guide wheel 4 is arranged between the upper clamping plate 1 and the lower clamping plate 2 and is positioned at one end close to the ground anchor connecting piece 3;

referring to fig. 3, two clamping blocks 5 are used as a clamping block group, more than two clamping block groups are respectively fixed between the upper clamping plate 1 and the lower clamping plate 2 through welding, and the more than two clamping block groups are uniformly arranged along the same symmetrical center line in the length direction of the upper clamping plate 1 and the lower clamping plate 2; two clamping blocks 5 in one clamping block group are opposite, and a semi-circular through groove is formed in the opposite surface of each clamping block 5; the semicircular arc-shaped through grooves of the two clamping blocks 5 in one clamping block group form two cylindrical through grooves with openings on opposite side surfaces; the inner surface of the through groove is processed into an anti-skid friction surface; the cylindrical through grooves of more than two clamping block groups are coaxial, and the cylindrical through grooves of a column of clamping block groups form a continuously-through cylindrical channel;

the bolts 6 between the upper clamping plate 1 and the lower clamping plate 2 are arranged in double rows and are respectively positioned on two sides of more than two clamping block groups;

referring to fig. 4, in operation, the ground anchor connecting piece 3 is connected with a ground anchor ring pre-buried on the ground; the end part of the main cable passes through the cylindrical channel of more than two clamping block groups, is guided and led out through the guide wheel 4 and then is connected with an external mechanical traction mechanism, after the mechanical traction mechanism tensions the main cable to a required vector, the clamping blocks 5 clamp the main cable through tightened bolts 6 and nuts 7, and after the main cable is fastened in the fastening and adjusting device, the mechanical traction mechanism is disassembled; wherein, the mechanical traction mechanism adopts an engineering truck or a winch.

The operation process of the fastening adjusting device is as follows:

before the main cable is installed for the first time, the nut 7 is unscrewed to enable the upper clamping plate 1 and the lower clamping plate 2 to be separated by a certain distance, the end part of the main cable penetrates through the cylindrical channels of more than two clamping block groups, and then the main cable is led out by bypassing the guide wheel 4; connecting the ground anchor connecting piece 3 with a ground anchor ring preset on site; the main cable is connected with the end part of the main cable through a mechanical traction mechanism such as a machineshop truck or a winch, the main cable is tensioned, when the main cable is tensioned to a preset vector, the upper clamping plate 1 and the lower clamping plate 2 are connected and closed through tightening the nut 7, the main cable is fastened, and the mechanical traction mechanism is detached; the cable force of the main cable is finally transmitted to the ground anchor ring through the clamping block 5, the upper clamping plate 1, the lower clamping plate 2, the bolt 6 and the ground anchor connecting piece 3;

when the vector needs to be adjusted in the use process of the main cable, the main cable is connected with the end part of the main cable through a mechanical traction mechanism such as an engineering truck or a winch and the like, and is tensioned; then the nut 7 is unscrewed to separate the upper clamp plate 1 and the lower clamp plate 2 by a certain distance, the fastening of the main cable is loosened, then the main cable is tensioned to a preset vector degree through a mechanical traction mechanism, and finally the upper clamp plate 1 and the lower clamp plate 2 are connected and closed through screwing the nut 7, and the main cable is fastened.

In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.