CN218643217U - Cable strand anchor head suspension device - Google Patents

Abstract

The application relates to a strand anchor head linkage, it includes: the locking assembly comprises two clamping plates, a locking cavity for accommodating the anchor head is formed between the two clamping plates, and the two clamping plates are jointly used for clamping the anchor head; one end of the rotating assembly is rotatably connected to the locking assembly, and the other end of the rotating assembly is used for being connected with the dragging and pulling device. The utility model has simple structure, clear stress, safety and reliability; the steel plates can be processed in blocks, so that the mounting, dismounting and carrying are convenient, the construction efficiency can be improved, and the construction period can be saved; the device can be repeatedly used, so that the cost is saved; through rotating assembly and locking Assembly rotation connection, but traction in-process strand free rotation to release internal stress, can effectively reduce the probability that the strand twists reverse, drum silk scheduling problem appears.

Description

Cable strand anchor head suspension device

Technical Field

The application relates to the field of bridge installation equipment, in particular to a cable strand anchor head suspension device.

Background

The suspension bridge has the characteristics of strong spanning capability, clear structure force transfer, attractive appearance and the like, and has great advantages in spanning regions of big rivers and valleys. The main cable is used as a main stressed member of the suspension bridge, and the construction quality of the main cable has important influence on the overall quality and the service life of the bridge. When the main cable is erected by adopting a prefabricated parallel cable strand method (PPWS method for short), the cable strands are pulled through the river one by a traction system, and when the cable strands are pulled, an anchor head at one end of the cable strands is connected with a pulling device in the traction system. The cable strand anchor head generally adopts the customization anchor clamps to be connected with the ware of pulling, and anchor clamps will be the cable strand locking back, through otic placode on the anchor clamps with pull the ware pin joint. This method has the following disadvantages: the clamp is usually formed by planing and milling a steel block, so that the weight is heavy and the construction is inconvenient; in the traction process, the cable strand cannot rotate freely, the internal stress cannot be released, and the problems of torsion, wire bulging and the like are easy to occur.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a strand anchor head linkage to in solving the traction process among the correlation technique, the unable free rotation of strand, the unable release of its inside stress, the easy problem that appears twisting, drum silk.

In order to achieve the above object, the utility model provides a following technical scheme: a strand anchor head suspension device comprising: the locking assembly comprises two clamping plates, a locking cavity for accommodating the anchor head is formed between the two clamping plates, and the two clamping plates are jointly used for clamping the anchor head; one end of the rotating assembly is rotatably connected to the locking assembly, and the other end of the rotating assembly is used for being connected with the drawing device.

In some embodiments, a through groove is formed in one of the clamping plates, and one end of the through groove is open, and the through groove is used for the strand to pass through.

In some embodiments, the suspension device further comprises a limiting plate, and the limiting plate is detachably connected with the clamping plate provided with the through groove so as to seal the opening of the through groove.

In some embodiments, the inner wall of the through groove is fixedly connected with a crash pad.

In some embodiments, the suspension device further comprises a connecting member, wherein two ends of the connecting member are detachably connected with the two clamping plates respectively, so that the two clamping plates are used for clamping the anchor head together.

In some embodiments, the connecting piece comprises a connecting hole, a pull rod and a locking nut, and the connecting hole is formed in the clamping plate; two ends of the pull rod are respectively penetrated through the connecting holes of the two clamping plates; the locking nut is in threaded connection with the pull rod and is used for locking the pull rod on the clamping plate or unlocking the pull rod from the clamping plate.

In some embodiments, a mounting seat is fixedly connected to the other clamping plate, and one end of the rotating assembly is rotatably connected with the mounting seat.

In some embodiments, the rotating assembly comprises: the rotary shaft is rotatably connected with the mounting seat at one end; the bottom plate is fixedly connected with the rotating shaft; the ear plate is fixedly connected to the surface of the bottom plate and is used for being connected with the drawing device.

In some embodiments, the rotating assembly comprises: the rotary shaft is fixedly connected with the mounting seat; the bottom plate is rotationally connected with the rotating shaft; the lug plate is fixedly connected to the surface of the bottom plate and is used for being connected with the dragging and pulling device.

In some embodiments, the locking assembly surface and the rotating assembly are coated with a rust resistant coating.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a cable strand anchor head suspension device which is simple in structure, clear in stress, safe and reliable; the steel plates can be processed in blocks, so that the mounting, dismounting and carrying are convenient, the construction efficiency can be improved, and the construction period can be saved; the device can be repeatedly used, so that the cost is saved; through rotating assembly and locking Assembly rotation connection, but traction in-process strand free rotation to release internal stress, can effectively reduce the probability that the strand twists reverse, drum silk scheduling problem appears.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall front structure diagram provided in an embodiment of the present application;

fig. 2 is a schematic diagram of a first clamping plate structure provided in the embodiment of the present application;

fig. 3 is a schematic diagram of a second clamping plate structure provided in the embodiment of the present application;

fig. 4 is a schematic diagram of a stopper structure provided in the embodiment of the present application;

fig. 5 is a schematic top view of a base plate and an ear plate according to an embodiment of the present disclosure.

In the figure: 1. a locking assembly; 10. a clamping plate; 100. a through groove; 11. a connecting member; 110. connecting holes; 111. a pull rod; 112. a locking nut; 12. a limiting plate; 13. a bolt; 14. a locking cavity; 15. a mounting seat;

2. a rotating assembly; 20. a rotating shaft; 21. a base plate; 22. an ear plate;

3. an anchor head;

4. and (4) a cable strand.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

The embodiment of the application provides a strand anchor head linkage, and it can solve among the correlation technique traction process, and the unable free rotation of strand, its inside stress can't release, and twist reverse, drum silk scheduling problem easily appear.

Referring to fig. 1 to 5, the present application provides a strand anchor head suspension device, which includes: the locking assembly 1 comprises two clamping plates 10, a locking cavity 14 for accommodating the anchor head 3 is formed between the two clamping plates 10, and the two clamping plates 10 are used for clamping the anchor head 3 together; one end of the rotating component 2 is rotatably connected to the locking component 1, and the other end is used for being connected with a drawing device.

In the application, the device has the advantages of simple structure, definite stress, safety and reliability; the steel plates can be processed in a blocking mode, and mounting, dismounting and carrying are convenient, so that the construction efficiency can be improved, and the construction period can be saved; the device can be repeatedly used, so that the cost is saved; through rotating assembly 2 and locking Assembly 1 rotation connection, but traction in-process strand 4 free rotation to release internal stress, can effectively reduce the probability that strand 4 twists reverse, drum silk scheduling problem appears.

In two grip blocks 10, a grip block 10 sets up in 3 one ends of anchor head, another grip block 10 sets up in the 3 other ends of anchor head, because there is anchor head 3 at 4 both ends of strand, consequently set up and seted up logical groove 100 on one of them grip block 10, it is used for supplying strand 4 to wear to establish to lead to groove 100, lead to groove 100 one end opening, it can be the U-shaped groove to lead to groove 100, the size that leads to groove 100 is greater than strand 4 diameter, when strand 4 is taut promptly, it is gapped between 4 surfaces of strand and the logical 100 inner walls of groove, it is inside that logical groove 100 one end opening is led to convenient strand 4 from leading to groove 100 opening part entering logical groove 100.

In order to prevent the cable strand 4 from moving out of the through groove 100, the suspension device further comprises a limiting plate 12, the limiting plate 12 is detachably connected with the clamping plate 10 provided with the through groove 100, so that the opening of the through groove 100 is sealed, namely, the limiting plate 12 is installed on one side of the clamping plate 10 provided with the through groove 100, when the cable strand 4 is located inside the through groove 100, the limiting plate 12 seals the opening of the through groove 100, so that the through groove 100 forms a groove hole with closed periphery, and the cable strand 4 can be prevented from moving out of the through groove 100 through the opening of the through groove 100.

In some possible embodiments, two bolt holes are formed in the clamping plate 10, two bolt holes are also formed in the limiting plate 12, the bolt holes in the limiting plate 12 correspond to the bolt holes in the clamping plate 10, and the limiting plate 12 is connected and fixed to the clamping plate 10 by screwing the bolts 13 with the bolt holes in the limiting plate 12 and the bolt holes in the clamping plate 10;

in other possible embodiments, one end of the limiting plate 12 is rotatably connected to one end of the clamping plate 10, the other end of the limiting plate 12 and the other end of the clamping plate 10 are provided with bolt holes, the bolt holes on the limiting plate 12 correspond to the bolt holes on the clamping plate 10, and the limiting plate 12 is connected and fixed to the clamping plate 10 by the bolts 13 in threaded connection with the bolt holes on the limiting plate 12 and the bolt holes on the clamping plate 10. In this embodiment, one end of the limiting plate 12 is rotatably connected to one end of the holding plate 10, so that the limiting plate 12 and the holding plate 10 are always kept connected to each other, and the limiting plate 12 can be prevented from being lost.

The above embodiments are merely various possible implementations of the embodiments of the present application, and the embodiments of the present application are not limited thereto.

In order to prevent the rope strand 4 from rubbing with the inner wall of the through groove 100 and the surface of the limiting plate 12 and avoid the damage of the steel wire of the rope strand 4, the anti-collision pads are fixedly connected to the inner wall of the through groove 100 and the surface of the limiting plate 12, and can be rubber pads, sponge pads and the like.

On the basis of the above embodiment, in this embodiment, the suspension device further includes a connecting member 11, and both ends of the connecting member 11 are detachably connected to the two clamping plates 10, respectively, so that the two clamping plates 10 are used for clamping the anchor head 3 together.

Specifically, the components included in the connecting member 11 are not limited, and may be selected according to the actual application requirements. For example, the connecting member 11 may include, but is not limited to, a connecting hole 110, a pull rod 111, a locking nut 112, and the like, wherein the connecting hole 110 is opened on the clamping plate 10; two ends of the pull rod 111 are respectively penetrated through the connecting holes 110 of the two clamping plates 10; a lock nut 112 is screwed with the tie rod 111, and the lock nut 112 is used for locking or unlocking the tie rod 111 to or from the clamping plate 10.

At least two connecting holes 110 are formed in the clamping plate 10, the number of the pull rods 111 is the same as that of the connecting holes 110 in each clamping plate 10, one clamping plate 10 is matched with the limiting plate 12 to be arranged at one end of the anchor head 3, the pull rods 111 can penetrate through the connecting holes 110 in the clamping plate 10, then the other clamping plate 10 is sleeved on the pull rods 111, the anchor head 3 is clamped by the two clamping plates 10 at the moment, then the locking nut 112 is in threaded connection with the pull rods 111, and the two clamping plates 10 are locked and fixed through the locking nut 112.

On the basis of the above embodiment, in the present embodiment, one of the clamping plates 10 is fixedly connected to the mounting seat 15, and one end of the rotating assembly 2 is rotatably connected to the mounting seat 15.

In this embodiment, the other clamping plate 10 is a clamping plate 10 without a through slot 100, and the mounting seat 15 is fixedly connected to the clamping plate 10, so that the center of the mounting seat 15 is aligned with the center of the clamping plate 10.

The rotating assembly 2 can be connected to the mounting seat 15 in various ways, for example:

in some possible embodiments, the rotating assembly 2 includes a rotating shaft 20, a bottom plate 21 and an ear plate 22, and one end of the rotating shaft 20 is rotatably connected with the mounting seat 15; the bottom plate 21 is fixedly connected with the rotating shaft 20; the ear plate 22 is fixedly connected to the surface of the bottom plate 21, and the ear plate 22 is used for connecting with a drawing device. In this embodiment, when the lug 22 is connected to the puller, and when the anchor head 3 is rotated together with the holding plate 10, the holding plate 10 rotates together with the mounting base 15, thereby releasing the internal stress of the cable 4.

In other possible embodiments, the rotating assembly 2 includes a rotating shaft 20, a bottom plate 21 and an ear plate 22, and one end of the rotating shaft 20 is fixedly connected with the mounting seat 15; the bottom plate 21 is rotatably connected with the rotating shaft 20; the ear plate 22 is fixedly connected to the surface of the bottom plate 21, and the ear plate 22 is used for connecting with a drawing device. In this embodiment, when the ear plate 22 is connected to the pulling device, and when the anchor head 3 rotates together with the holding plate 10, the holding plate 10 rotates together with the mounting base 15 and the rotating shaft 20, thereby releasing the internal stress of the cable strand 4.

The above embodiments are merely various possible implementations of the embodiments of the present application, and the embodiments of the present application are not limited thereto.

Before the device is used, firstly, according to the sizes of the cable strand 4 and the anchor head 3, the ear plate 22, the bottom plate 21, the clamping plates 10 and the limiting plate 12 are respectively processed by utilizing a steel plate, after the ear plate 22 and the bottom plate 21 are fixed, the through groove 100 is formed in one clamping plate 10, and the bottom plate 21 is connected with the mounting seat 15 on the other clamping plate 10 through the rotating shaft 20;

after the processing is finished, the lug plate 22 is connected with a drawing device in the traction system by using a pin shaft;

the method comprises the steps that a clamping plate 10 provided with a through groove 100 is installed at one end, fixed with a cable strand 4, of an anchor head 3, the cable strand 4 penetrates through the clamping plate 10 through the through groove 100, then a limiting plate 12 is fixed at the through groove 100 of the clamping plate 10 through a bolt 13, then a pull rod 111 penetrates into a connecting hole 110 of the clamping plate 10, a locking nut 112 is installed at one end, close to the clamping plate 10, of the pull rod 111, after the anchor head 3 is hoisted by a crane, one end, far away from the clamping plate 10, of the pull rod 111 penetrates through the clamping plate 10 connected with a tractor, the locking nut 112 is installed, the pull rod 111 is tightened through the rotating locking nut 112 until the two clamping plates 10 clamp and fix the anchor head 3, and installation of a suspension device is completed.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A strand anchor head suspension device, comprising:

the locking assembly (1), the locking assembly (1) comprises two clamping plates (10), a locking cavity (14) for accommodating the anchor head (3) is formed between the two clamping plates (10), and the two clamping plates (10) are jointly used for clamping the anchor head (3);

and one end of the rotating assembly (2) is rotatably connected to the locking assembly (1), and the other end of the rotating assembly (2) is connected with the puller.

2. The strand anchor head suspension system of claim 1 wherein:

a through groove (100) is formed in one clamping plate (10), one end of the through groove (100) is open, and the through groove (100) is used for the cable strand (4) to penetrate through.

3. The strand anchor head suspension as claimed in claim 2 wherein:

the suspension device further comprises a limiting plate (12), wherein the limiting plate (12) is detachably connected with the clamping plate (10) provided with the through groove (100) so that the opening of the through groove (100) is sealed.

4. The strand anchor head suspension system of claim 2 wherein:

and the inner wall of the through groove (100) is fixedly connected with an anti-collision pad.

5. The strand anchor head suspension as claimed in claim 1 further comprising:

the connecting piece (11), connecting piece (11) both ends can be dismantled with two grip blocks (10) respectively and be connected, so that two grip blocks (10) are used for centre gripping anchor head (3) jointly.

6. A strand anchor head suspension device according to claim 5, wherein the connecting piece (11) comprises:

the connecting hole (110) is formed in the clamping plate (10);

the two ends of the pull rod (111) are respectively penetrated through the connecting holes (110) of the two clamping plates (10);

the locking nut (112) is in threaded connection with the pull rod (111), and the locking nut (112) is used for locking or unlocking the pull rod (111) on the clamping plate (10) or from the clamping plate (10).

7. The strand anchor head suspension system of claim 1 wherein:

wherein fixedly connected with mount pad (15) on another grip block (10), rotating assembly (2) one end is rotated with mount pad (15) and is connected.

8. A strand anchor head suspension device as claimed in claim 7, wherein said swivel assembly (2) comprises:

one end of the rotating shaft (20) is rotatably connected with the mounting seat (15);

the bottom plate (21), the said bottom plate (21) is fixedly connected with spindle (20);

the ear plate (22), ear plate (22) fixed connection is in bottom plate (21) surface, ear plate (22) are used for being connected with the puller.

9. A strand anchor head suspension device as claimed in claim 7, wherein said swivel assembly (2) comprises:

one end of the rotating shaft (20) is fixedly connected with the mounting seat (15);

the bottom plate (21), the bottom plate (21) is rotationally connected with the rotating shaft (20);

the ear plate (22), ear plate (22) fixed connection is in bottom plate (21) surface, ear plate (22) are used for being connected with the puller.

10. The strand anchor head suspension as claimed in claim 1 wherein: and the surface of the locking assembly (1) and the surface of the rotating assembly (2) are coated with antirust coatings.

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