CN214941510U

CN214941510U - Cable clamp node of small-included-angle radial cable

Info

Publication number: CN214941510U
Application number: CN202120862918.2U
Authority: CN
Inventors: 范重; 吴浩; 杨开; 刘涛; 陈巍; 高松
Original assignee: China Architecture Design and Research Group Co Ltd
Current assignee: China Architecture Design and Research Group Co Ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-30
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to a cable clamp node of little contained angle footpath cable belongs to large-span spatial structure engineering technical field, has solved among the prior art problem that the angle is too little and the connecting plate distance is too near unable operation requirement of satisfying between two cables that the cable overlength leads to. The utility model discloses a base, splint, apron and ears cable subassembly, the top surface and the bottom surface of base all are equipped with the recess, splint are located in the recess, the apron lid is established the top surface and the bottom surface of base, the one end of base is located to ears cable subassembly for connect the biradial cable. The utility model discloses two cable heads vertically locate the one end of binaural board side by side, form the small-angle between the two cables, and the cable clip node atress is reasonable, and it is clear and definite to pass power.

Description

Cable clamp node of small-included-angle radial cable

Technical Field

The utility model relates to a large-span spatial structure engineering technical field especially relates to a cable clamp node of little contained angle footpath cable.

Background

In recent years, with the rapid development of large-span spatial structures in China, more and more spatial structure forms are researched and applied, wherein the spoke type cable structure is favored more and more by virtue of the characteristics of small dead weight, lighter roof structure, convenience in installation and the like. In the single-layer inner ring double-layer outer ring spoke type structure, the cable structure is formed by applying prestress and has certain rigidity. When the length of the radial cable is large and the included angle between the upper radial cable and the lower radial cable is small (9-21 degrees), the distance between the connecting plates of the two inhaul cables of the traditional cable clamp is too close, and the use requirement cannot be met. Although the method for lengthening the lug plate can solve the problem of small angle, the problems of overlarge dead weight of the node, influence on building appearance, inconvenience in construction and the like can also be caused.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, an embodiment of the present invention is directed to providing a cable clamp node of a small included angle diameter cable, so as to solve the problem that the angle between two cables caused by the overlong existing cable is too small and the distance between the connection plates is too short to satisfy the requirement for use.

The purpose of the utility model is mainly realized through the following technical scheme:

the utility model provides a cable clamp node of little contained angle footpath cable, includes base, splint, apron and ears cable subassembly, the top surface and the bottom surface of base all are equipped with the recess, splint are located in the recess, the apron lid is established the top surface and the bottom surface of base, the one end of base is located to ears cable subassembly for connect the biradial cable.

Furthermore, the groove is a first groove, and a second groove is formed in the bottom of the first groove.

Further, the second groove is communicated with the side surface and the top surface of the base.

Further, the splint are provided with a third groove, and the edges of the second groove and the third groove are provided with round corners.

Furthermore, the third groove is opposite to the first groove to form a rope hole for placing a ring rope.

Further, the base is symmetrical about the cross-section.

Furthermore, the cable clamp node of the small included angle radial cable further comprises a base ear plate, the double-lug inhaul cable assembly comprises a double-lug inhaul cable joint and a pin shaft assembly, and the double-lug inhaul cable joint is connected with the base ear plate through the pin shaft assembly.

Furthermore, the double-lug inhaul cable joint comprises an inhaul cable head and a double-lug plate, one end of the double-lug plate is connected with the base lug plate, and the other end of the double-lug plate is connected with the inhaul cable head.

Furthermore, the two stay cable heads are longitudinally arranged at one end of the double lug plates in parallel.

Furthermore, the extension lines of the two stay cable heads intersect at the centroid of the base.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

(1) the two stay cable heads are longitudinally arranged at one end of the double-lug plate in parallel to form a small angle (9-21 degrees) between the double stay cables, and the extension lines of the two stay cable heads are intersected with the centroid of the base, so that the cable clamp node is stressed reasonably, and the force transmission is definite;

(2) the cover plates arranged up and down protect the internal structure of the base, so that components such as the clamping plate and the like are prevented from being directly exposed in the air;

(3) and the edges of the second groove and the third groove are provided with fillets, so that the ring cable is smoothly transited when passing through the cable hole, and stress concentration is avoided.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a schematic diagram of a cable clamp node structure with radial cables according to an embodiment;

FIG. 2 is an exploded view of the upper portion of a cable clamp node according to an embodiment;

FIG. 3 is an exploded view of a lower portion of a cable clamp node according to an embodiment;

FIG. 4 is a schematic diagram of a base structure according to an embodiment;

FIG. 5 is a schematic view of a cleat configuration according to an embodiment;

FIG. 6 is a schematic view of a particular embodiment of a binaural cable assembly and base ear plate connection;

FIG. 7 is a schematic diagram of the embodiment where the extension line of the two cable heads passes through the centroid of the base.

Reference numerals:

1-a cable clamp node; 11-a base; 111-a first recess; 112-a second groove; 12-a splint; 121-a third groove; 13-a cover plate; 14-a binaural cable assembly; 141-double-lug guy cable head; 142-a pin assembly; 143-stay cable head; 144-double ear plates; 145-pin shaft; 146-pin end cap; 15-base ear plate.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

The utility model discloses a concrete embodiment, as shown in fig. 1-3, discloses a rope clip node 1 of little contained angle footpath cable, including base 11, splint 12, apron 13 and ears cable subassembly 14, the top surface and the bottom surface of base 11 all are equipped with the recess, and in splint 12 located the recess, apron 13 lid was established at the top surface and the bottom surface of base 11, and ears cable subassembly 14 locates the one end of base 11 for connect two cables.

Compared with the prior art, the cable of the little contained angle footpath cable that this embodiment provided presss from both sides the node, in splint located the recess of base to establish with the apron lid, avoid splint directly to expose and lead to splint damage too fast in the air, the one end of base is equipped with the ears cable subassembly of connecting two cables, can satisfy the connection of two little contained angle cables simultaneously.

As shown in fig. 4, the base 11 is a rectangular parallelepiped, a first groove 111 (i.e. the above-mentioned groove) is formed in the top surface, a second groove 112 is formed in the bottom of the first groove 111, the second groove 112 is communicated with the side surface and the top surface of the base 11, the first groove 111 is a rectangular parallelepiped, the second groove 112 is U-shaped, the clamp plate 12 is disposed at the bottom of the first groove 111, and the third groove 121 of the clamp plate 12 faces the second groove 112 to form a cable hole for placing a loop cable.

It is worth noting that the bottom of the second groove 112 is provided with an arc-shaped portion, the arc-shaped portion is concave to the side far away from the binaural cable assembly 14, meanwhile, the edges of the second groove 112 and the third groove 121 are provided with round corners, and the arc-shaped portion of the bottom of the second groove 112 matches the bent radian of the looped cable at the node, so that the looped cable is prevented from generating stress concentration when passing through the cable hole, and the looped cable smoothly passes through the cable hole without large sudden change.

It should be noted that the base 11 has a symmetrical structure along the cross section, that is, the bottom surface structure and the top surface structure of the base 11 are the same, and the first groove 111 and the second groove 112 are also provided, which is not described herein again.

The clamping plate 12 is in an omega shape, as shown in fig. 5, a third groove 121 is arranged in the middle of the clamping plate 12, the third groove 121 is in a semicircular shape, screw holes are arranged on two sides of the third groove 121, the length of the clamping plate 12 is not more than the width of the first groove 111, in the embodiment, the length of the clamping plate 12 is equal to the width of the first groove 111, and a plurality of cable holes are formed at the bottom of the first groove 111. In this embodiment, six cable holes are formed in the base 11 and are arranged vertically symmetrically.

In this embodiment, the clamp plate 12 is connected to the bottom surface of the first groove 111 by a screw, the third groove 121 is opposite to the second groove 112 to form a cable hole, the cover plate 13 is connected to the top surface and the bottom surface of the base 11 by screws, and the length and the width of the cover plate 13 are respectively equal to those of the base 11.

The cable clamp node further comprises a base ear plate 15 used for connecting the double-lug inhaul cable assembly 14, the base ear plate 15 is arranged in the middle of the end face of one end of the base 11, a first ear plate hole is formed in the base ear plate 15, and the axis of the first ear plate hole is parallel to the length direction of the second groove 112.

As shown in fig. 6, binaural cable assembly 14 includes binaural cable joint 141 and pin shaft assembly 142, binaural cable joint 141 is connected with base ear plate 15 through pin shaft assembly 142, binaural cable joint 141 includes cable head 143 and binaural plate 144, one end of binaural plate 144 is equipped with mounting groove and second ear plate hole, cable head 143 is connected to the other end, the axis in second ear plate hole is perpendicular to the mounting groove, the one end of base ear plate 15 is connected with base 11, the other end is located in the mounting groove, and pass the second ear plate hole through pin shaft assembly 142, first ear plate hole is connected with binaural plate 144.

Two stay cable heads 143 are arranged, the two stay cable heads 143 are longitudinally arranged at one end of the double lug plate 144 in parallel, the two stay cable heads 143 form a small angle between the double stay cables, as shown in fig. 7, the extension lines of the two stay cable heads 143 intersect with the centroid of the base 11, the stress is reasonable, and the force transmission is definite, that is, the stay cable connected with the stay cable heads 143 is stressed to intersect with the centroid of the base 11, so that the stress of the ring cable and the stress of the radial cable are at the same point.

In this embodiment, the base ear plate 15 is cast to the base 11, and the stay cable head 143 is cast to the double ear plate 144.

The pin shaft assembly 142 comprises a pin shaft 145 and pin shaft end covers 146, the pin shaft end covers 146 are arranged at two ends of the pin shaft 145 in a covering mode and connected with the pin shaft 145 through screws, the length of the pin shaft 145 is equal to the width of the double lug plates 144, the diameter of each pin shaft end cover 146 is larger than that of each second lug plate hole, and the pin shaft 145 is limited through the pin shaft end covers 146.

The cable clamp node of this embodiment is processed simple manufacture, simple to operate, and concrete implementation process is: the ring cable is placed in the second groove 112, the clamping plate 12 is covered, and the clamping plate 12 and the bottom surface of the base 11 are connected through a screw rod to fix the ring cable; the cover plate 13 is fixed on the upper and lower surfaces of the base 11 by screws; the double-lug cable joint 141 and the base ear plate 15 are connected together through a pin shaft component 142; finally, the double cable is connected to the cable head 143.

In the cable clamp node of the embodiment, the edges of the second groove and the third groove are subjected to fillet treatment, so that the ring cable can pass through the cable hole more smoothly without sudden change and stress concentration; the cover plates arranged up and down protect the internal structure of the base, so that components such as the clamping plate and the like are prevented from being directly exposed in the air; the two cable heads are longitudinally arranged at one end of the double lug plates in parallel to form a small angle between the double cables, and the extension lines of the two cable heads are intersected with the centroid of the base, so that the cable clamp node is reasonable in stress and definite in force transmission.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. The utility model provides a cable clamp node of little contained angle footpath cable, its characterized in that, includes base (11), splint (12), apron (13) and ears cable subassembly (14), the top surface and the bottom surface of base (11) all are equipped with the recess, splint (12) are located in the recess, apron (13) lid is established the top surface and the bottom surface of base (11), ears cable subassembly (14) are located the one end of base (11) is used for connecting the biradial cable.

2. The cable clamp node of the small included angle radial cable according to claim 1, wherein the groove is a first groove (111), and a second groove (112) is formed at the bottom of the first groove (111).

3. The rope clamp node of a small included angle diameter rope according to claim 2, characterized in that the second groove (112) is communicated with the side surface and the top surface of the base (11).

4. The rope clamp node of the small included angle diameter rope according to claim 2, characterized in that the clamping plate (12) is provided with a third groove (121), and the edges of the second groove (112) and the third groove (121) are provided with round corners.

5. The cable clamp node of the small-included-angle cable according to claim 4, wherein the third groove (121) is opposite to the first groove (111) and is provided with a cable hole for accommodating a looped cable.

6. The cable clamp node of small included angle diameter cable according to claim 1, characterized in that the base (11) is symmetrical with respect to a cross section.

7. The cable clamp node of small included angle radial cable according to claim 1, further comprising a base ear plate (15), wherein the binaural cable assembly (14) comprises a binaural cable joint (141) and a pin assembly (142), and the binaural cable joint (141) is connected with the base ear plate (15) through the pin assembly (142).

8. The cable clamp node of the small included angle diameter cable according to claim 7, wherein the double-lug cable joint (141) comprises a cable head (143) and a double-lug plate (144), one end of the double-lug plate (144) is connected with the base lug plate (15), and the other end of the double-lug plate is connected with the cable head (143).

9. The cable clamp node of the small included angle radial cable according to claim 8, characterized in that two cable heads (143) are longitudinally arranged in parallel at one end of the double ear plate (144).

10. The cable clamp node of the small included angle radial cable according to claim 8, characterized in that the extension lines of the two cable heads (143) intersect at the centroid of the base (11).