CN212670314U

CN212670314U - Construction cable clamp for stay cable

Info

Publication number: CN212670314U
Application number: CN202020790504.9U
Authority: CN
Inventors: 晏国泰; 窦昕玥; 李少芳; 王蔚; 胡先朋
Original assignee: CCCC Second Harbor Engineering Co
Current assignee: CCCC Second Harbor Engineering Co
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-09
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a bridge construction technical field specifically indicates a suspension cable construction cable clamp. Comprises two groups of cable clamping pieces; the cable clips comprise semicircular steel tubes, and two semicircular steel tubes of the two groups of cable clips are butted to form a hoop type structure for clamping the stay cable; the two ends of the semicircular steel pipe are respectively provided with a bearing plate and a connecting plate which extend along the radial direction, and the inner side of the semicircular steel pipe is provided with a shear-resistant sleeve; the anti-shearing sleeve is a hollow cylindrical structure sleeved on the stay cable, and a plurality of groups of anti-shearing units which are arranged at intervals along the axial direction of the semicircular steel pipe are arranged between the anti-shearing sleeve and the inner end face of the semicircular steel pipe; the shearing resistant unit is an annular structure capable of increasing the axial anti-sliding effect of the semicircular steel pipe. The utility model discloses a cable clip simple structure, the cling compound ability is outstanding, and the installation is very convenient with the construction, has very big spreading value.

Description

Construction cable clamp for stay cable

Technical Field

The utility model relates to a bridge construction technical field specifically indicates a suspension cable construction cable clamp.

Background

The tower end hanging and the beam end anchor pressing are 2 key construction processes in the construction process of the stay cable, and the cable clamp is important tooling equipment required in the construction process. The suspension of the tower end is realized by lifting the end head of the stay cable anchor tower to the position of the cableway pipe corresponding to the tower end by using lifting equipment, and the lifting equipment lifts the stay cable by taking a cable clamp tightly clamped with a cable body as a stress point. The beam end anchor pressing is that the beam end anchor head of the stay cable is pulled to the position of the tunnel pipe corresponding to the beam end by using a hoisting or pulling device, and the cable clamp is also a connecting point of the stay cable and the hoisting or pulling device. The conventional cable clamp is mainly characterized in that a flat rubber pad is padded on the inner wall of the cable clamp to increase the friction force between the cable clamp and a inhaul cable, or the structure of the cable clamp is changed, a supporting cylinder is additionally arranged at the end of the cable clamp to the rear end part of an anchor head, and a main stress point is transferred to the anchor head part. The 2 schemes all have certain defects, the friction force increased by the flat rubber pad of the plug pad on the inner wall of the cable clamp is limited, the structure of the cable clamp is more complex by adding the supporting cylinder, and meanwhile, the traction construction after the anchor head enters the cable guide pipe can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem mentioned in the background art and providing a construction cable clamp for a stay cable.

The technical scheme of the utility model is that: the utility model provides a construction cable clamp of suspension cable which characterized in that: comprises two groups of cable clamping pieces; the cable clips comprise semicircular steel tubes, and two semicircular steel tubes of the two groups of cable clips are butted to form a hoop type structure for clamping the stay cable; the two ends of the semicircular steel pipe are respectively provided with a bearing plate and a connecting plate which extend along the radial direction, and the inner side of the semicircular steel pipe is provided with a shear-resistant sleeve; the anti-shearing sleeve is a hollow cylindrical structure sleeved on the stay cable, and a plurality of groups of anti-shearing units which are arranged at intervals along the axial direction of the semicircular steel pipe are arranged between the anti-shearing sleeve and the inner end face of the semicircular steel pipe; the shearing resistant unit is an annular structure capable of increasing the axial anti-sliding effect of the semicircular steel pipe.

The shearing resistant unit comprises a shearing resistant ring arranged on the shearing resistant sleeve; the shearing ring is an annular bulge arranged on the end face of the outer side of the periphery of the shearing-resistant sleeve; a shear groove corresponding to the shear ring is formed in the end face of the inner side of the semicircular steel pipe; the shear ring is sleeved in the shear groove.

Further, the shear sleeve is a rigid hollow tubular structure with the inner end face of the circumference connected to the stay cable and the outer end face of the circumference closely connected to the semicircular steel pipe or a flexible hollow tubular structure made of rubber materials.

A plurality of rib plates which are arranged at intervals along the axial direction are arranged on the end face of the outer side of the circumference of the semicircular steel pipe; the rib plate is of an annular structure extending along the radial direction of the semicircular steel pipe.

Furthermore, a plurality of screw holes which are arranged along the axial direction of the semicircular steel pipe at intervals are formed in the bearing plate and the connecting plate.

Furthermore, the bearing plate is provided with bearing holes which are convenient to be connected with hoisting equipment or traction equipment.

The utility model has the advantages that: 1. the utility model has the advantages that the anti-shearing unit is arranged at the inner side of the cable clamp piece, the anti-sliding capacity of the cable clamp piece is improved through the anti-shearing unit, the acting force between the cable clamp and the cable body is increased, the sliding risk of the cable body is reduced, the whole installation structure is simple, and the operation and construction are convenient;

2. the shearing resistant unit of the utility model is a corresponding structure of the shearing force groove and the shearing force ring, the shearing resistance between the cable clamping piece and the cable body can be greatly improved by the shearing force ring and the shearing force groove, and the structure is very simple and convenient to install;

3. the shear sleeve of the utility model has simple structure, can be made of different materials, and the different materials have different shear performances, so the installation and the construction are very convenient;

4. the utility model improves the structural strength of the semicircular steel pipe by arranging a plurality of rib plates on the end surface outside the circumference of the semicircular steel pipe;

5. the utility model is convenient for the quick fixed connection of the cable clamping piece by arranging the screw holes on the bearing plate and the connecting plate;

6. the utility model discloses a set up the load hole, be convenient for and lift by crane equipment or pulling equipment and be connected.

The utility model discloses a cable clip simple structure, the cling compound ability is outstanding, and the installation is very convenient with the construction, has very big spreading value.

Drawings

FIG. 1: the utility model discloses a schematic diagram of a cable clamp mounting structure (the shear sleeve is a rigid member);

FIG. 2: the utility model discloses a schematic diagram of a cable clamp mounting structure (the anti-shearing sleeve is a flexible component);

FIG. 3: the utility model discloses a cable clip outer side view;

FIG. 4: the inner side view of the cable clamp of the utility model;

FIG. 5: the cable clip side view of the utility model;

wherein: 1-semi-circular steel tube; 2-bearing plate; 3, connecting a plate; 4, shearing resistance sleeve; 5-a shear ring; 6, shearing force grooves; 7-a rib plate; 8, screw holes; 9-bearing holes; and 10, stay cables.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1 to 5, a construction cable clamp for a stay cable includes two cable clamping pieces, which are combined with each other to form a hoop structure for clamping and fixing the stay cable 10. The cable clip comprises a semicircular steel pipe 1, two semicircular steel pipes 1 of two sets of cable clips are butted to form a tubular structure for clamping a stay cable, two ends of the semicircular steel pipe 1 are respectively provided with a bearing plate 2 and a connecting plate 3 which extend along the radial direction, a plurality of screw holes 8 which are arranged along the axial direction of the semicircular steel pipe 1 are formed in the bearing plate 2 and the connecting plate 3, during actual installation, the two cable clips are clamped on two sides of the stay cable 10, the bearing plate 2 of the two sets of cable clips corresponds to the bearing plate 2, the connecting plate 3 corresponds to the connecting plate 3, high-strength bolts are used for penetrating the screw holes 8 which correspond to each other, and the tightening bolts can be connected into a whole.

In order to enhance the anti-sliding capability of the cable clamp, in this embodiment, a shear sleeve 4 is disposed inside the semicircular steel pipe 1, the shear sleeve 4 is a hollow cylindrical structure in which the inner end surface of the circumference is connected to the stay cable, and the outer end surface of the circumference is tightly connected to the semicircular steel pipe 1, and the shear sleeve 4 may be a rigid structure, as shown in fig. 1, or a flexible structure made of rubber, as shown in fig. 2.

Be provided with the unit that shears that the multiunit was arranged along semi-circular steel tube 1 axial interval between the cover 4 that shears and the 1 medial surface of semi-circular steel tube, the unit that shears is including setting up the shear ring 5 on the cover 4 that shears, and shear ring 5 is for setting up the annular arch on the terminal surface of the 4 circumference outside of cover that shears, sets up the shear force groove 6 that corresponds shear ring 5 on the medial surface of semi-circular steel tube 1, and shear ring 5 covers locates in shear force groove 6.

In addition, a plurality of rib plates 7 arranged at intervals along the axial direction are arranged on the end face of the outer side of the circumference of the semicircular steel pipe 1, and the rib plates 7 are of an annular structure extending along the radial direction of the semicircular steel pipe 1.

The bearing plate 2 is provided with a bearing hole 9 which is convenient to be connected with a hoisting device or a traction device.

During actual installation, firstly, the anti-shearing sleeve 4 is sleeved on the stay cable 10, then the semicircular steel pipe 1 with the two cable clamping pieces is clamped outside the anti-shearing sleeve 4, the shearing rings 5 on the anti-shearing sleeve 4 correspond to the shearing grooves in the inner side of the semicircular steel pipe 1 one by one, and the installation of the cable clamp can be completed by tightening the bolts.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a construction cable clamp of suspension cable which characterized in that: comprises two groups of cable clamping pieces; the cable clips comprise semicircular steel tubes (1), and two semicircular steel tubes (1) of the two groups of cable clips are butted to form a hoop type structure for clamping the stay cable; a bearing plate (2) and a connecting plate (3) which extend along the radial direction are respectively arranged at two ends of the semicircular steel pipe (1), and a shear sleeve (4) is arranged on the inner side of the semicircular steel pipe (1); the shear-resistant sleeve (4) is of a hollow cylindrical structure sleeved on the stay cable, and a plurality of groups of shear-resistant units which are arranged at intervals along the axial direction of the semicircular steel pipe (1) are arranged between the shear-resistant sleeve (4) and the inner side end face of the semicircular steel pipe (1); the shear resistant unit is an annular structure capable of increasing the axial anti-sliding effect of the semicircular steel pipe (1).

2. The construction cable clamp of the stayed cable according to claim 1, characterized in that: the shear resisting unit comprises a shear ring (5) arranged on the shear resisting sleeve (4); the shear ring (5) is an annular bulge arranged on the end face of the outer side of the circumference of the shear sleeve (4); a shear groove (6) corresponding to the shear ring (5) is formed in the end face of the inner side of the semicircular steel pipe (1); the shear ring (5) is sleeved in the shear groove (6).

3. The construction cable clamp of the stayed cable according to claim 1 or 2, characterized in that: the shear sleeve (4) is a rigid hollow tubular structure with the inner end surface of the circumference connected to the stay cable and the outer end surface of the circumference closely connected to the semicircular steel pipe (1) or a flexible hollow tubular structure made of rubber materials.

4. The construction cable clamp of the stayed cable according to claim 1, characterized in that: a plurality of rib plates (7) which are arranged at intervals along the axial direction are arranged on the end face of the outer side of the circumference of the semicircular steel pipe (1); the rib plate (7) is of an annular structure extending along the radial direction of the semicircular steel pipe (1).

5. The construction cable clamp of the stayed cable according to claim 1, characterized in that: the bearing plate (2) and the connecting plate (3) are provided with a plurality of screw holes (8) which are arranged along the axial direction of the semicircular steel pipe (1) at intervals.

6. The construction cable clamp of the stayed cable according to claim 1, characterized in that: and the bearing plate (2) is provided with a bearing hole (9) which is convenient to be connected with hoisting equipment or traction equipment.