CN219863384U

CN219863384U - Cross cable connection cable clamp for string truss

Info

Publication number: CN219863384U
Application number: CN202320925543.9U
Authority: CN
Inventors: 赵洪福; 孙绍东; 王洋; 刘于晨; 李建峰; 周广兴
Original assignee: Qingdao Tengyuan Design Institute Co Ltd
Current assignee: Qingdao Tengyuan Design Institute Co Ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-10-20
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a cross cable connecting cable clamp for a string truss, which comprises a shell, a cross partition plate, a truss connecting assembly and a cross cable connecting assembly, wherein the shell is provided with an upper cover; the cross partition plate comprises at least two cross-connected partition plates and is connected in the shell; the shell is divided into at least four connecting cavities by the cross partition plates, and the side walls are provided with connecting through holes; the truss connecting assembly comprises a stay bar rotatably connected to the upper cover; the cross cable connecting assembly comprises a concave support, a screw and a nut, wherein the concave support is connected to the inner side wall of the shell and is provided with an arc concave surface; the screw rod extends into the connecting cavity through the connecting through hole and the concave support pipe hole; the nut is connected with the screw rod and provided with an arc convex surface, and the arc convex surface is contacted with the arc concave surface; the novel combined type flexible truss can meet the requirements of various actual design conditions, particularly meet the requirements of the actual design under complex conditions, avoid the plate from local buckling, improve the bearing capacity of the connecting node, meet the requirements of simultaneously cross-connecting four inhaul cables, and improve the overall stability of the inhaul cables and the truss.

Description

Cross cable connection cable clamp for string truss

Technical Field

The utility model belongs to the technical field of buildings, and particularly relates to a cross cable connecting cable clamp for a string truss.

Background

Along with the promotion of energy saving, emission reduction and carbon reduction policies, the environmental protection requirement of the construction process is increasingly increased, the steel structure has great advantages in the aspects of construction efficiency, large span and cyclic utilization, and the theory and the structure are also continuously perfected and developed. Different inhaul cables in the truss-cable structure are mutually crossed and overlapped, the junction is connected with a piece of complex, and if no special treatment is adopted, the phenomena of eccentric pull rod, stress concentration and the like can be caused, so that the installation difficulty and the potential safety hazard are brought to the structural engineering.

At present, a complex structure connecting node does not have a unified method such as an atlas and a standard, and the atlas and the standard related to a steel structure do not prescribe and schematic the cross guy cable part. When a plurality of inhaul cables are cross-connected at a small angle, for example, the traditional inhaul cable ear plate cable head is large, and a large installation space is required to be reserved, so that the designed size of the cable clamp is large, and the building effect is influenced. The outer sleeve side plate is required to be bent and processed, so that processing angle errors or structural deformation are easy to generate, and the stress concentration of the sleeve side plate is caused to damage the cable clip. The guy cable has no unified technical specification requirement on the cross intersection of the scissors of the four guy cables, and the angle stretching of the common clamp is relatively fixed, so that the universality is poor under complex conditions.

Disclosure of Invention

At least one of the problems with prior art string clamps when string trusses are cross-connected; the utility model provides a cross cable connecting cable clamp for a string truss, which can meet the requirements of various practical design conditions, particularly the practical design requirements under complex conditions, simultaneously avoid the occurrence of local buckling of plates, improve the bearing capacity of connecting joints, and can meet the requirements of simultaneously cross-connecting four inhaul cables and improve the overall stability of the inhaul cables and the truss.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the cross cable connecting cable clamp for the string truss comprises a shell, a cross partition plate, a truss connecting assembly and a cross cable connecting assembly, wherein the shell is cylindrical, the bottom of the shell is open, and an upper cover is arranged at the top of the shell; the cross partition comprises at least two cross-connected partitions connected within the housing; the shell is divided into at least four connecting cavities by the cross partition plates, and the side wall of the shell of each connecting cavity is provided with a connecting through hole; the truss connection assembly comprises a stay bar which is rotatably connected to the upper cover; each connecting cavity is provided with a cross cable connecting assembly, each cross cable connecting assembly comprises a concave support, a screw and a nut, each concave support is tubular, one end face of each concave support is connected to the inner side wall of the shell at the position of the connecting through hole, the other end face of each concave support is an arc concave, and the central axis of each pipe hole of each concave support coincides with the central axis of the connecting through hole; the outer diameter of the screw is smaller than the inner diameter of the concave support pipe hole and the inner diameter of the connecting through hole, and one end of the screw penetrates through the connecting through hole and the concave support pipe hole and stretches into the connecting cavity; the nut and one end of the screw rod extending into the connecting cavity are in threaded connection, the outer end of the nut is provided with an arc convex surface, and the arc convex surface is in contact with the arc concave surface.

The string truss is connected with the cable clips through the supporting rods. Through the stay bar with the swivelling joint of connecting the cable clamp, realize the truss with connect the swivelling joint of cable clamp, avoid the two rigid connection to lead to damaging. The stay cable is connected with the screw rod, and the nut is connected with the screw rod to connect the stay cable with the connecting cable clamp. Through the arc convex surface with the arc concave surface contact point changes, cooperates the screw rod be in concave surface support tube hole with connect the through-hole internal rotation, realize the cable with connect the rotation of cable clamp and be connected, avoid the two rigid connection to lead to damaging easily.

In order to be convenient for set up the cooperation contact the arc convex surface of arc concave surface, the cross cable coupling assembling can also include the convex surface support, and it is tubular, and its one end terminal surface is connected on the nut, and the other end terminal surface sets up to the arc convex surface, its tube hole central axis with nut internal thread hole central axis coincidence.

In order to facilitate the rotational connection of the stay bar with the connection cable clip, the truss connection assembly may further include a first lug plate connected to the upper cover, and the stay bar is rotatably connected to the first lug plate through a rotation shaft.

In order to be more convenient for the vaulting pole with connect swivelling joint of cable clamp, truss connection subassembly can also include the second otic placode, it with vaulting pole one end is connected, and with the shaft hole has all been seted up to first otic placode, the pivot sets up in the shaft hole.

In order to improve the balance stability of the stay bar and the connecting cable clamp rotary connecting structure, the number of the second lug plates can be two, and the first lug plates are arranged between the two second lug plates.

In order to be suitable for the cable of connecting cross cable, the cross baffle includes two cross connection's division board, two the division board is perpendicular alternately into the cross.

The cross cable connecting cable clamp for the string truss can achieve the following beneficial effects:

1. the device can meet the requirements of various actual design conditions, particularly meet the actual design requirements under complex conditions, avoid the plate from local buckling and improve the bearing capacity of the connecting node.

2. Four inhaul cables can be simultaneously and cross-connected, the inhaul cables can rotate according to the self positions in the tensioning and fixing process, so that the radial tension state is maintained, and the overall stability of the inhaul cables and the truss is improved.

3. The nut can be welded and manufactured in advance in a factory, and the nut is only required to be screwed on the screw after being transported to the site; the method is convenient to operate and high in assembly degree.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

figure 1 is a top cross-sectional view of a cross-cord connecting clip for a truss string in accordance with one embodiment of the utility model,

figure 2 is a cross-sectional view A-A of figure 1,

figure 3 is a cross-sectional view of figure 1 at B-B,

fig. 4 is a front cross-sectional view showing a state of use of the cross-cord connecting clip for a truss string according to an embodiment of the present utility model.

Reference numerals in the drawings: 100 is a guy cable, 1 is a shell, 101 is an upper cover, 102 is a connecting cavity, 103 is a connecting through hole, 2 is a cross partition, 201 is a bottom plate, 3 is a stay bar, 4 is a concave support, 5 is a screw rod, 6 is a nut, 7 is a convex support, 8 is a first lug plate, 801 is a rotating shaft, and 9 is a second lug plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

Examples

Referring to fig. 1, a cross cable connecting cable clamp for a truss string comprises a casing 1, a cross partition plate 2, a truss connecting assembly and a cross cable connecting assembly, wherein the casing 1 is cylindrical, the bottom of the casing is open, and an upper cover 101 is arranged at the top of the casing; the cross partition 2 comprises at least two cross-connected partitions connected within the housing 1; the shell 1 is divided into at least four connecting cavities 102 by the cross partition plates 2, and the side wall of the shell 1 of each connecting cavity 102 is provided with a connecting through hole 103; the truss attachment assembly includes a brace 3 rotatably attached to the upper cover 101; referring to fig. 2 in combination, each connecting cavity 102 is provided with a cross cable connecting assembly, the cross cable connecting assembly includes a concave support 4, a screw 5 and a nut 6, the concave support 4 is tubular, one end face of the concave support is connected to the inner side wall of the shell 1 at the position of the connecting through hole 103, the other end face is an arc concave, and the central axis of the pipe hole is coincident with the central axis of the connecting through hole 103; the outer diameter of the screw 5 is smaller than the inner diameter of the pipe hole of the concave support 4 and the inner diameter of the connecting through hole 103, and one end of the screw passes through the connecting through hole 103 and the pipe hole of the concave support 4 and extends into the connecting cavity 102; the nut 6 is in threaded connection with one end of the screw 5 extending into the connecting cavity 102, and the outer end of the nut is provided with an arc convex surface which is in contact with the arc concave surface.

The cross cable connecting cable clamp for the string stretching truss is characterized in that a stay bar 3 in a truss connecting component is used for connecting the truss, so that the truss is connected with the connecting cable clamp; the stay bar 3 is rotatably connected to the upper cover 101, thereby avoiding easy damage caused by rigid connection of the truss with the connecting clips. The screw rod 5 in the cross cable connecting assembly is used for connecting the guy cables 100, and referring to fig. 3, two guy cables 100 can form a small-angle cross cable with a cross angle ranging from 0 degrees to 30 degrees. Nuts 6 connected with the screws 5 fix the cross cable connecting assembly in the connecting cavities 102 of the shell 1, so that the connection between each guy cable 100 of the cross cable and the connecting cable clamp is realized; the outer diameter of the screw 5 is smaller than the inner diameter of the pipe hole of the concave support 4 and the inner diameter of the connecting through hole 103, and the arc-shaped concave surface of the concave support 4 connected with the inner wall of the shell 1 is in contact fit with the arc-shaped convex surface arranged on the nut 6, so that the screw 5 can rotate in the pipe hole of the concave support 4 and the connecting through hole 103 through the change of the contact point between the arc-shaped convex surface and the arc-shaped concave surface, the stay cable 100 can rotate according to the position of the stay cable 100 in the tensioning and fixing process, the radial tension state is maintained, and the stay cable 100 and the connecting cable clamp are prevented from being damaged easily due to rigid connection.

Referring to fig. 4 in combination, in the present embodiment, the truss string is connected with the cable clips by using cross cables, and in the installation process, the connecting cable clips and the truss frame 100 may be hinged by using the stay bars 3, and then the stay cables 100 may be tensioned; the inhaul cable 100 and the connecting cable clamp can be connected through the screw rod 5, the screw rod 5 can adopt a cold-cast upsetting end, and after the inhaul cable 100 is needed to be penetrated into the connecting cavity 102, the inner end of the screw rod 5 is screwed with the nut 6 for fixing.

The cross cable connecting cable clamp for the string truss in the embodiment can be manufactured in advance in a factory, and only the nut 6 is required to be screwed on the screw 5 after the string truss is transported to the site. The method is convenient to operate and high in assembly degree. The shell 1 is firmly connected with the cross partition plates 2, so that the plate members of the cross partition plates 2 can be prevented from local buckling when the shell 1 is pulled, and the bearing capacity of the connecting cable clamp serving as a connecting node is improved; the connecting cable clamp can meet the requirement of simultaneously cross-connecting four inhaul cables 100, and improves the overall stability of the inhaul cables 100 and the truss.

The cross cable connecting cable clamp for the string truss is suitable for connecting the string truss with a small-angle cross cable with a cross angle range of 0-30 degrees, for example, the cross angle of the cross cable is 25 degrees; the truss may be provided with a bottom chord, and the connecting cable clamp may be used on a truss 100 system of guy cables 100 and steel structures, and is particularly suitable for connecting the bottom chord 201 of the truss 100 with a low-angle cross cable.

The string truss of this embodiment is with cross cable connection cable clamp, and hollow out construction does benefit to construction operation in the casing 1. A plurality of connecting cavities 102 are separated in the housing 1 for connecting the individual cables 100 of the cross cable. When the size of the shell 1 meets the space requirement for installing at least four inhaul cables 100, enough construction operation space is reserved, and the inhaul cables 100 and connecting cables are conveniently fixed. According to the construction requirement, the thickness of the crossed baffle plates 2 is more than or equal to 20mm.

As shown in fig. 1 to 4, in some embodiments, the cross-cord connection assembly may further include a convex support 7 having a tubular shape, one end surface of which is connected to the nut 6, and the other end surface of which is provided as an arc-shaped convex surface, and a central axis of the tube hole of which coincides with a central axis of the threaded hole in the nut 6. Like this, can be convenient for set up with concave support 4's arc concave surface contact complex arc convex surface, guarantee that screw rod 5 is rotatory smoothly.

The truss attachment assembly may further include a first ear plate 8 coupled to the upper cover 101, and the brace 3 is rotatably coupled to the first ear plate 8 through the rotation shaft 801, thereby being rotatably coupled to the first ear plate 8 through the brace 3, so that the brace 3 is rotatably coupled to the upper cover 101.

The truss connection assembly can further comprise a second lug plate 9, wherein the second lug plate is connected with one end of the stay bar 3 and is provided with a shaft hole with the first lug plate 8, and the rotating shaft 801 is arranged in the shaft hole, so that the stay bar 3 and the upper cover 101 are more conveniently connected in a rotating manner through the rotating connection structure of the second lug plate 9 and the first lug plate 8.

The number of the second ear plates 9 can be two, and the first ear plates 8 are arranged between the two second ear plates 9, so that the balance firmness of the rotary connection structure of the second ear plates 9 and the first ear plates 8 is ensured.

The cross partition 2 may include two cross-connected partitions which are perpendicularly crossed into a cross shape, and the cross partition 2 divides the interior of the housing 1 into four connection cavities 102, which may be used to connect the cross-shaped crossed cables 100.

Preferably, at least two of the partition plates are cross-connected at the middle to ensure the balance stability of the cross partition plates 2, thereby ensuring the balance stability of the cross cable 100 to which the housing 1 of the cable clamp is connected.

The cross partition plate 2 may be disposed at the middle in the housing 1 to ensure the balance stability of the housing 1 and the connecting clips.

The longitudinal section of the shell 1 can be isosceles trapezoid, which is beneficial to ensuring the stability of the shell 1 and the connecting cable clamp.

The connecting through holes 103 can be uniformly distributed on the shell 1, which is beneficial to ensuring the stability of the crossed inhaul cable 100 when being connected with the connecting cable clamp.

The cross cable connection cable clip for the truss string in the above embodiment may be a vertical cylinder, the top end of the vertical cylinder is welded with an upper cover 101, and the upper cover 101 may be a planar steel plate.

The cross partition plate 2 may be formed by connecting two partition plates perpendicular to each other at the middle to form a cross-shaped cross steel plate. The edges of the crossed baffle plates 2 can be welded with the inner wall of the shell 1. The top of the cross partition 2 may be welded to the bottom surface of the upper cover 101. The cross partition 2 divides the interior of the housing 1 into four connecting cavities 102.

The cross section of the shell 1 can be square, and the cross section of the four connecting cavities 102 is equal in size and shape; the central axis of the side wall of the shell 1 corresponding to the four connecting cavities 102 is provided with a connecting through hole 103, which is beneficial to the balance stability of the inhaul cable 100 connected with the cross cable. The bottom end of the shell 1 can also be welded with a bottom plate 201, and the bottom end of the cross baffle 2 can be welded with the bottom plate 201. That is, the case 1 may be formed by welding the upper cover 101, four side plates, and one bottom plate 201.

The stay bar 3 may be a vertical steel bar. The second ear plate 9 may be a vertical inverted isosceles triangle steel plate, and the lower end thereof may be provided as an arc edge. The lower end of the stay bar 3 can be welded with the upper end of the second lug plate 9, and the upper end can be welded with the lower end of the lower chord of the truss.

The first ear plate 8 may be a vertical isosceles triangle steel plate, the lower end of which may be welded to the middle of the upper cover 101, and the upper end of which may be provided as an arc edge.

The inner end of the screw 5 extends into a connecting cavity 102 in the housing 1, and the outer end can be connected with a guy cable 100 of the cross cable.

The outer end surface of the concave support 4 can be welded with the inner wall of the shell 1, and the inner diameter of the pipe hole of the concave support 4 can be equal to the inner diameter of the connecting through hole 103.

The inner end surface of the convex support 7 can be welded with the outer end surface of the nut 6, and the inner diameter of the pipe hole of the convex support 7 can be equal to the inner diameter of the connecting through hole 103.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims

1. The cross cable connecting cable clamp for the string truss is characterized by comprising a shell, a cross partition plate, a truss connecting assembly and a cross cable connecting assembly, wherein the shell is cylindrical, the bottom of the shell is open, and the top of the shell is provided with an upper cover;

the cross partition comprises at least two cross-connected partitions connected within the housing; the shell is divided into at least four connecting cavities by the cross partition plates, and the side wall of the shell of each connecting cavity is provided with a connecting through hole;

the truss connection assembly comprises a stay bar which is rotatably connected to the upper cover;

each connecting cavity is provided with a cross cable connecting assembly, each cross cable connecting assembly comprises a concave support, a screw and a nut, each concave support is tubular, one end face of each concave support is connected to the inner side wall of the shell at the position of the connecting through hole, the other end face of each concave support is an arc concave, and the central axis of each pipe hole of each concave support coincides with the central axis of the connecting through hole;

the outer diameter of the screw is smaller than the inner diameter of the concave support pipe hole and the inner diameter of the connecting through hole, and one end of the screw penetrates through the connecting through hole and the concave support pipe hole and stretches into the connecting cavity;

the nut and one end of the screw rod extending into the connecting cavity are in threaded connection, the outer end of the nut is provided with an arc convex surface, and the arc convex surface is in contact with the arc concave surface.

2. The cross-cord connecting clip for a truss string as recited in claim 1, wherein said cross-cord connecting assembly further comprises:

the convex surface support is tubular, one end face of the convex surface support is connected to the nut, the other end face of the convex surface support is provided with an arc convex surface, and the central axis of a pipe hole of the convex surface support coincides with the central axis of an internal threaded hole of the nut.

3. The cross-cord connecting clip for a string truss of claim 1, wherein the truss attachment assembly further comprises:

the first lug plate is connected to the upper cover, and the stay bar is rotatably connected to the first lug plate through a rotating shaft.

4. A cross-cord connection clip for a string truss as defined in claim 3, wherein said truss attachment assembly further comprises:

and the second lug plate is connected with one end of the stay bar and is provided with a shaft hole with the first lug plate, and the rotating shaft is arranged in the shaft hole.

5. The cross-cord connecting clip for a truss string as defined in claim 4, wherein said second lugs are two in number, and said first lugs are disposed between said second lugs.

6. A cross-cord connecting clip for a truss string as recited in any one of claims 1-5, wherein said cross-over bulkhead includes two cross-connected bulkheads, two of said bulkheads intersecting perpendicularly in a cross.

7. The cross-cord connecting clip for a string truss as defined in any one of claims 1 to 5, wherein at least two of the partition plates are cross-connected at the middle.

8. A cross-cord connecting clip for a truss string as defined in any one of claims 1 to 5, wherein said housing has a longitudinal cross-section of isosceles trapezoid shape.

9. The cross-cord connecting clip for a string truss as defined in any one of claims 1-5, wherein the cross partition is provided at a middle inside the housing.

10. The cross-cord connecting clip for a string truss as defined in any one of claims 1 to 5, wherein the connecting through holes are uniformly distributed on the housing.