CN220099662U - Suspension bridge cable clamp matched with limiting device - Google Patents

Abstract

The utility model discloses a suspension bridge cable clamp matched with a limiting device, which solves the problem that the cable clamp of the existing suspension bridge is easy to slip under the action of lateral force. The suspension bridge cable clamp comprises a cable clamp body and a limiting device, wherein the limiting device comprises a limiting prestress steel strand, a limiting anchor and a limiting clamping piece. According to the utility model, the top parts of the upper halves of the two hoops at the outermost side of the rope clamp body are respectively provided with the limiting anchorage devices, and the two limiting anchorage devices are fixed through the limiting prestress steel strand and the limiting clamping piece, so that the hoops of the rope clamp body can be better connected together, the acting forces of different hoops can be dispersed to other hoops, the stress of the rope clamp body is more balanced, and the whole stress of a suspension bridge is not easily influenced by slippage; and a plurality of locking clamp devices on the main cable can be connected in series to form a whole through the limiting prestress steel strand, and the lateral unbalanced force of a certain locking clamp can be balanced through the multi-cable clamp device. The suspension bridge cable clamp is particularly suitable for being used in newly-built suspension bridges.

Description

Suspension bridge cable clamp matched with limiting device

Technical Field

The utility model belongs to the technical field of suspension bridge cable clamps, and particularly relates to a suspension bridge cable clamp matched with a limiting device.

Background

Suspension bridges, also known as suspension bridges, refer to bridges having cables (or steel chains) suspended by means of cable towers and anchored to both sides (or ends of the bridge) as the main load-bearing members of the superstructure. A plurality of hanging rods hang from the cable, the bridge deck is hung, and the cable and the hanging rods are fixed through cable clamps. The geometry of the cable is determined by the equilibrium condition of the forces, typically approaching a parabola. Correspondingly, the clamping part and the hoisting part of the cable clamp also have a certain angle.

The specific structure of the suspension bridge cable clamp is disclosed in patent 'a clamp type suspension bridge cable clamp' (201420717864.0), and the cable clamp is a hoop structure and consists of a hoop upper half, a hoop lower half and a connecting bolt thereof. The device reduces the bolt material consumption and the cable clamp cost; when the cable clamp is installed, the workload of screwing the screw cap and the sleeve cap is reduced by half, and the construction period is short; the visual surface of the cable clamp is concise, paint can be conveniently coated, and the coating quality is improved; the profile shape of the cable clamp is concise and beautiful. However, because the cable is generally arc-shaped, the clamping part of the cable clamp is easy to slip after the cable clamp is used for a long time, so that the reliability of the suspension bridge is influenced, and the service life of the suspension bridge is influenced.

Disclosure of Invention

The utility model aims to provide a suspension bridge cable clamp matched with a limiting device, so that the problem that the cable clamp of the existing suspension bridge is easy to slip under the action of lateral force is solved, and the service life of the suspension bridge is further prolonged.

The specific technical scheme is as follows:

the suspension bridge cable clamp comprises a cable clamp body, wherein the cable clamp body comprises at least two groups of upper half hoops and lower half hoops which are connected through bolts, lifting lugs are semi-fixed on the lower half hoops, and lifting holes are formed in the lifting lugs. The limiting anchors at the two ends of the cable clamp body are connected in series on the same steel strand, and the stress of the cable clamp body can be evenly spread.

Preferably, the limit anchor and the upper half of the hoop are integrally formed.

Preferably, the upper half of the hoop in the middle of the cable clamp body is also provided with a limiting anchorage device, and the limiting prestress steel strand penetrates through all the limiting anchorage devices and is fixed at two ends through limiting clamping pieces.

Preferably, the top of each hoop of the cable clamp body is provided with a limiting anchor, and the limiting prestress steel strand penetrates through all the limiting anchors.

Preferably, the limiting clamping piece is an anti-slip limiting clamping piece. Preferably, the anti-skid limiting clamping piece has a certain thickness and elasticity, and one surface contacted with the limiting prestress steel strand is provided with a protective convex line.

Preferably, the limiting clamping piece comprises a first clamping piece, a second clamping piece and an elastic fixing ring, wherein the first clamping piece and the second clamping piece are arc-shaped, a thread groove is formed in the inner side of the first clamping piece and the second clamping piece, a positioning groove is formed in the outer side of the first clamping piece, the elastic fixing ring is detachably clamped at the positioning groove, the first clamping piece and the second clamping piece are enclosed to form a hollow cylinder, and the thread groove of the first clamping piece and the thread groove of the second clamping piece are enclosed to form a cylinder cavity for accommodating the limiting prestress steel strand.

Preferably, the cylinder cavity of the hollow cylinder is cylindrical, the outer side contour of the hollow cylinder is in a truncated cone shape, and the positioning groove is arranged at the wider end of the truncated cone-shaped hollow cylinder. The design of the round table-shaped hollow cylinder body is beneficial to the installation of the elastic fixing ring.

Preferably, the two sides of the upper half of the hoop are respectively provided with a bearing platform, the two sides of the lower half of the hoop are also respectively provided with a bearing platform, the bearing platforms are provided with screw holes, and bolts penetrate through the screw holes of the bearing platforms to detachably fix the upper half of the hoop and the lower half of the hoop.

Preferably, the middle split surfaces of the upper half of the hoop and the lower half of the hoop are inclined surfaces, and an included angle between the middle split surfaces and the vertical surfaces is an acute angle.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the rope clamp, the limiting anchors are respectively arranged at the top parts of the upper halves of the two hoops at the outermost side of the rope clamp body, and the two limiting anchors are fixed through the limiting prestress steel strand and the limiting clamping piece, so that the hoops of the rope clamp body can be better connected together, acting forces of different hoops can be dispersed to other hoops, the stress of the rope clamp body is more balanced, and the whole stress of a suspension bridge is not easily influenced by slippage. The limiting anchor and the upper half of the hoop are integrally formed, so that the installation is reduced, the structure is more stable, and the novel suspension bridge is particularly suitable for being used.

2. The cable clamp body can be further provided with a limiting anchor device at the top of the upper half of each hoop, a plurality of locking clamp devices on the main cable are connected in series to form a whole through the limiting prestress steel stranded wires, and the lateral unbalanced force of a certain locking clamp is balanced through the multi-cable clamp device, so that the service life of the suspension bridge is prolonged.

3. The limiting clamping piece comprises the arc-shaped first clamping piece, the arc-shaped second clamping piece and the elastic fixing ring, when the limiting clamping piece is used, the limiting prestress steel strand is placed in the thread grooves of the first clamping piece and the arc-shaped second clamping piece, the first clamping piece and the arc-shaped second clamping piece are surrounded into the hollow cylinder body through the elastic fixing ring, and the limiting prestress steel strand can be fixed well, is easy and convenient to operate and is not easy to slide.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a suspension bridge cord grip of the present utility model.

Fig. 2 is a schematic side view of a suspension bridge cord clip of the present utility model.

Fig. 3 is a schematic structural view of the limiting clip of the present utility model.

Fig. 4 is a schematic diagram of a detachment structure of the limiting clip of the present utility model.

Fig. 5 is a schematic structural view of a suspension bridge cable clamp according to another embodiment.

The main reference numerals illustrate:

1. a cable clip body; 11. the upper half of the hoop; 12. the lower half of the hoop; 13. a pressure-bearing platform; 14. lifting lugs; 15. a hanging hole;

2. a limiting device; 21. limiting the prestressed steel strand; 22. limiting an anchor; 23. a limiting clamping piece; 231. a first clip; 232. a second clip; 233. an elastic fixing ring; 234. a thread groove; 235. and positioning grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

As shown in fig. 1-2, a suspension bridge cable clamp matched with a limiting device comprises a cable clamp body and the limiting device, wherein the cable clamp body adopts an existing cable clamp structure and is used for fixing a suspender and a cable, and the limiting device is arranged above the cable clamp body and is used for further limiting hoops of the cable clamp body, so that acting forces of all hoops of the cable clamp body can be uniformly dispersed, the cable clamp is further prevented from sliding, and the service life of the cable clamp is prolonged.

Specifically, the rope clamp body comprises a plurality of groups of upper hoop halves and lower hoop halves which are connected through bolts. The upper half of the hoop is respectively provided with a pressure-bearing platform at two sides, the lower half of the hoop is also respectively provided with a pressure-bearing platform at two sides, the pressure-bearing platform is provided with a screw hole, and a U-shaped bolt is reversely inserted through the screw hole of the pressure-bearing platform and locked by a nut, so that the upper half of the hoop is tightly connected with the lower half of the hoop. When the cable clamp is used, the upper half of the hoop and the lower half of the hoop are respectively fixed on the cable, and then the cable clamp and the cable are locked and fixed through the U-shaped bolt and the nut. Lifting lugs are semi-fixed below the hoop, and lifting holes are formed in the lifting lugs. The rope clip is fixed with the suspender of the suspension bridge through the hanging hole.

In other embodiments, the lifting lugs may also be semi-fixed to the hoop. The upper halves of the hoops at the two ends of the rope clamp body extend from the outer sides of the lower halves of the hoops respectively and are bent downwards to be led out, and the tail ends of the upper halves of the two hoops are connected through lifting lugs. The lifting lug is fixed with the upper half of the two hoops at the outermost side respectively, the stress is better and more balanced, and the hoops are not easy to slip or deform.

Specifically, stop device includes spacing prestressing force steel strand wires, spacing ground tackle and spacing clamping piece, the top of the hoop first half at cable clamp body both ends is provided with respectively spacing ground tackle, spacing prestressing force steel strand wires run through spacing ground tackle, still be fixed with spacing clamping piece on the spacing prestressing force steel strand wires in spacing ground tackle outside. The plurality of hoops of the rope clamp body are better connected together through the limiting device, acting forces of different hoops can be dispersed to other hoops, stress of the rope clamp body is more balanced, and the rope clamp body is not easy to slip to influence the overall stress of the suspension bridge. In this embodiment, the spacing ground tackle with the last half integrated into one piece of hoop, reducible installation, the structure is also more firm, is particularly suitable for newly-built suspension bridge to use.

Specifically, referring to fig. 3-4, the limiting clamping piece includes an arcuate first clamping piece, a second clamping piece and an elastic fixing ring, a thread groove is formed on the inner sides of the first clamping piece and the second clamping piece, a positioning groove is formed on the outer sides of the first clamping piece and the second clamping piece, the elastic fixing ring is detachably clamped at the positioning groove, the first clamping piece and the second clamping piece are enclosed to form a hollow cylinder, and the thread grooves of the first clamping piece and the second clamping piece are enclosed to form a cylinder cavity for accommodating the limiting prestressed steel strand. Preferably, the cylinder cavity of the hollow cylinder is cylindrical, the outer side contour of the hollow cylinder is in a truncated cone shape, and the positioning groove is arranged at the wider end of the truncated cone-shaped hollow cylinder. When the elastic fixing ring is used, the limiting prestress steel strand is placed in the thread grooves of the first clamping piece and the second clamping piece, the elastic fixing ring is sleeved on the outer sides of the first clamping piece and the second clamping piece from a narrower end and moves to the positioning groove, so that the first clamping piece, the second clamping piece and the limiting prestress steel strand are fixed, and the elastic fixing ring is easy and convenient to operate and is not easy to slide.

In other embodiments, referring to fig. 5, the top of the upper half of each hoop of the cable clamp body is provided with a limiting anchor, and the limiting prestressed steel strands penetrate through all the limiting anchors and are fixed at both ends by limiting clips. The limiting anchor can be made into a single hole or a multi-hole anchor. Furthermore, the outer side of the limiting anchor device can be further provided with a strip-shaped screw hole and a locking bolt, and the locking position of the locking bolt in the strip-shaped screw hole is adjusted according to the position of the limiting prestress steel strand, so that the limiting anchor device and the locking bolt can be better fixed with the limiting prestress steel strand. Preferably, the inner side of the limit anchor sleeve is provided with an anti-slip protrusion, and the anti-slip protrusion has certain elasticity, so that the installation of the square limit prestressed steel strand can be realized, friction can be increased, and the limit anchor and the limit prestressed steel strand are prevented from sliding.

When the suspension bridge cable clamp is used, the suspension bridge cable clamp and the cable are fixed according to a conventional method, the limiting prestress steel strands of the limiting device penetrate through limiting anchors at two ends of the cable clamp, then are further fixed through limiting clamping pieces, and then the suspension bridge main rod is installed according to the conventional method. In the use process, if any one hoop of the rope clamp body receives stress, the stress can be transmitted to surrounding hoops, and if the stress directions of different hoops are opposite, the stress can be counteracted. The whole cable clamp is more balanced in stress and is not easy to slip.

In summary, according to the utility model, the top of the upper half of the two hoops at the outermost side of the cable clamp body is respectively provided with the limiting anchorage devices, and the two limiting anchorage devices are fixed through the limiting prestress steel strand and the limiting clamping piece, so that the plurality of hoops of the cable clamp body can be better connected together, the acting forces of different hoops can be dispersed to other hoops, the stress of the cable clamp body is more balanced, and the whole stress of the suspension bridge is not easily influenced by slippage; and a plurality of locking clamp devices on the main cable can be connected in series to form a whole through the limiting prestress steel strand, and the lateral unbalanced force of a certain locking clamp can be balanced through the multi-cable clamp device. The suspension bridge cable clamp is particularly suitable for being used in newly-built suspension bridges.

The foregoing description of specific exemplary embodiments of the utility model has been presented for the purpose of illustration and description, but it is not intended to limit the utility model to the precise form disclosed, and it is apparent that many changes and modifications may be made in accordance with the above teachings, and while embodiments of the utility model have been shown and described, this specific embodiment is merely illustrative of the utility model and not restrictive, the particular features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner, the exemplary embodiments being selected and described for the purpose of explaining the specific principles of the utility model and its practical application, so that modifications, substitutions, variations, and various other changes may be made to the embodiments without creatively departing from the principles and spirit of the utility model as desired by those skilled in the art without departing from the scope of the patent claims.

Claims (9)

1. The suspension bridge cable clamp comprises a cable clamp body, wherein the cable clamp body comprises at least two groups of upper half hoops and lower half hoops which are connected through bolts, lifting lugs are semi-fixed on the lower half hoops, and lifting holes are formed in the lifting lugs.

2. The suspension bridge cable clamp of claim 1, wherein the limit anchor is integrally formed with the upper half of the collar.

3. The suspension bridge cable clamp of the matched limiting device according to claim 1, wherein the upper half of the hoop in the middle of the cable clamp body is also provided with limiting anchors, and the limiting prestress steel strands penetrate through all the limiting anchors and are fixed at two ends through limiting clamping pieces.

4. The suspension bridge cable clamp of the matched limiting device according to claim 1, wherein limiting anchors are arranged at the top of the upper half of each hoop of the cable clamp body, and the limiting prestressed steel strands penetrate through all the limiting anchors.

5. The suspension bridge cord grip of claim 1, wherein said spacing clip is an anti-slip spacing clip.

6. The suspension bridge cable clamp of the matched limiting device according to claim 1, wherein the limiting clamping piece comprises an arc-shaped first clamping piece, a second clamping piece and an elastic fixing ring, the inner sides of the first clamping piece and the second clamping piece are provided with threaded grooves, the outer sides of the first clamping piece and the second clamping piece are provided with positioning grooves, the elastic fixing ring is detachably clamped at the positioning grooves, the first clamping piece and the second clamping piece are enclosed into a hollow cylinder, and the threaded grooves of the first clamping piece and the second clamping piece are enclosed into a cylinder cavity for accommodating the limiting prestressed steel strand.

7. The suspension bridge cable clamp of claim 6, wherein the hollow cylinder has a cylindrical cavity, the outer contour of the hollow cylinder is in the shape of a truncated cone, and the positioning groove is formed at the wider end of the truncated cone-shaped hollow cylinder.

8. The suspension bridge cable clamp of claim 1, wherein the upper half of the hoop is provided with a bearing platform respectively on both sides, the lower half of the hoop is also provided with a bearing platform respectively on both sides, the bearing platform is provided with a screw hole, and a bolt passes through the screw hole of the bearing platform to detachably fix the upper half of the hoop and the lower half of the hoop.

9. The suspension bridge cord grip of claim 1, wherein the upper half of said collar and the lower half of said collar are inclined planes, and wherein the angle between said planes and said vertical plane is acute.