CN1162207A

CN1162207A - Buffer clamp for erecting cable

Info

Publication number: CN1162207A
Application number: CN97100867A
Authority: CN
Inventors: 吴成根; 韩权勋; 李秉哲
Original assignee: KT Corp
Current assignee: Electronics and Telecommunications Research Institute ETRI; KT Corp
Priority date: 1996-03-13
Filing date: 1997-03-13
Publication date: 1997-10-15
Anticipated expiration: 2017-03-13
Also published as: CN1076131C

Abstract

The objective of the present invention is to provide a buffer clamp for cable rope construction. Said buffer clamp is equipped with a fixing mechanism for linking the bonded block on poles at its one side, and a clamping mechanism used for continuous or part insertion of messenger wires and fastening the messenger wire at arbitrary position at the other side. When the messenger wire is continuously or partly constructed to poles, the task is easy. A buffer gear is set internally to relax the tension-pull pull force applied to the cable ropes due to impact of outside force, and can prevent cable ropes being damaged, wherein the tensioning degree can be regulated arbitrarily during the cable rope construction.

Description

Buffer clamp for erecting cable

The present invention relates to buffer clamp for erecting cable, particularly when setting up the communication cable, the cable messenger of suspention ground supporting communication cable is fixed on buffer clamp for erecting cable on the electric pole.

Usually, between electric pole the time, be connected the communication erecting cable between the electric pole to cable messenger, with connect clip etc. the hanging of communication cable on cable messenger, perhaps the communication cable is located on the cable messenger with Lessing rings.In the prior art, when being connected cable messenger between the electric pole, be with fixing behind the end winding number circle of cable messenger with analog bracket etc., on the electric pole of the other end with stretch-draw cable messengers such as anchor clamps, to keep suitable rate of tension, and then, fix or fix cable messenger with crimping such as suspensions with analog bracket etc. the terminal part of cable messenger winding number circle on electric pole.Cable messenger after setting completed, with connect methods such as clip or Lessing rings the communication erecting cable on cable messenger.

As previously mentioned, existing method is that cable messenger is set between electric pole, utilizes this cable messenger to set up cable.The shortcoming of this method is, erecting cable is after on the cable messenger, when being located at cable messenger between the electric pole when being vibrated or being subjected to the external impact that the inclination because of a side electric wire produces, cable messenger and cable can produce the phenomenon of elongation, this will cause cable fault, if above-mentioned elongation phenomenon frequently takes place, then cause the communication interruption easily, must carry out line maintenance.

In addition, after cable messenger is provided with, on cable messenger the time, in order to regulate the rate of tension between the electric pole, must carry out the stretch-draw and the fixed operation of cable messenger to the communication erecting cable repeatedly with connecting clip or Lessing rings etc., this operation trouble and difficulty are higher.

Under the situation that must be arranged on cable and messenger cable line length continuously apart from ground on the electric pole, must clamp with the state that does not cut off cable messenger, at this moment,, cable messenger can not be set easily with existing clamp system non-interchangeability.

Therefore, the present invention makes in view of the above problems, and the buffer clamp that provides a kind of erecting cable to use is provided its purpose, and this buffer clamp has clamp system, has also set up buffer gear and governor motion.When being arranged on cable messenger on the electric pole continuously, clamp system carries out this operation easily.Buffer gear can cushion external impact and be added in tension force on the cable, keeps the appropriate rate of tension of cable messenger, prevents cable fault.Governor motion can be regulated the tensioning degree when setting up arbitrarily.

To achieve these goals, buffer clamp of the present invention is used for cable messenger is connected electric pole continuously, this cable messenger and communication cable link, be used for this communication erecting cable to electric pole, it is characterized in that this buffer clamp is made of fixedly connected tool, nut, housing, sliding tube, buffer gear, clamping part and bonded block;

The end that said fixing connects tool have can be easily be located at electric pole on the ring portion that combines of bonded block, the other end has the spire of certain-length;

Above-mentioned nut screws togather with the spire that is connected tool, can move a certain distance by rotating;

One side of the rear face of above-mentioned housing and above-mentioned nut is combined into one, and in enclosure interior the spire of above-mentioned connection tool is arranged, along with this housing of rotation of nut moves;

Above-mentioned sliding tube can move to fore-and-aft direction in housing, and its rear certain-length is housed in enclosure interior, and the part in its place ahead stretches out in housing the place ahead;

Above-mentioned buffer gear is installed in the space between the inboard of housing and the sliding tube outside, and the fore-and-aft direction of sliding tube is moved becomes elastic movement;

Above-mentioned clamping part is made of two parts of the cutting apart the place ahead that protrudes in housing, that be combined in the left and right sides, sliding tube end face respectively, engage with sliding tube at the position, top, the position of lower portion below the sliding tube end prolongs stretches out, on its composition surface, form slightly semicircular cable messenger patchhole respectively, when engaging, this semi-circular hole forms inserts and clamps the patchhole that cable messenger is used;

Above-mentioned bonded block is combined in two sides, sliding tube end integratedly to the above-mentioned clamping part of cutting apart.

In addition, to achieve these goals, buffer clamp of the present invention is used for cable messenger is connected electric pole continuously, this cable messenger is used for the communication erecting cable to electric pole, it is characterized in that this buffer clamp is made of fixedly connected tool, nut, housing, sliding tube, buffer gear, the 1st clamping part, the 2nd clamping part and bonded block;

Above-mentioned nut screws togather with the spire that is connected tool, can be moved a certain distance by its rotation;

One lateral junction integrator of the rear face of above-mentioned housing and above-mentioned nut is being accommodated the spire of above-mentioned connection tool in enclosure interior, along with this housing of rotation of nut moves;

The rear certain-length of above-mentioned sliding tube is housed in the housing, and the part in the place ahead stretches out in the place ahead of housing, and the certain-length of its end forms the par with predetermined thickness, and the pre-position on this par forms the engagement groove that connects above-below direction;

Above-mentioned buffer gear be installed in housing inboard with the sliding tube outside between the space in, the fore-and-aft direction of sliding tube is moved becomes elastic movement;

Above-mentioned the 1st clamping part is the summary コ font that can insert from one side, sliding tube par, a side of face forms the semicircle cable messenger patchhole of summary along its length at an upper portion thereof, central portion form connect above-below direction, be used for the engagement groove that combines with the sliding tube par;

The bottom of above-mentioned the 2nd clamping part is paid and is being established bolt, this bolt is used for the 1st clamping part is combined with the sliding tube par, form the semicircle cable messenger patchhole of the summary of inserting and clamp cable messenger in a side of lower curtate face, when engaging, can form the circular through slot of the summary that clamps cable messenger with the 1st clamping part;

When above-mentioned bonded block inserts in the engagement groove that is respectively formed on the 1st clamping part and the sliding tube par at the set bolt of the 2nd clamping part, combine with set bolt.

In addition, to achieve these goals, buffer clamp for erecting cable of the present invention is used for cable messenger is connected electric pole, and this cable messenger is used for the communication erecting cable to electric pole, it is characterized in that this buffer clamp is made of fixedly connected tool, nut, housing and sliding tube;

The back side portion of above-mentioned housing and the front face of nut are combined into one, and there is the receiving space of pre-sizing inside, are accommodating the spire and the 1st buffer unit of fixedly connected tool;

Above-mentioned sliding tube is fore-and-aft direction slip under the cushioning effect of the 1st buffer unit in housing, and its leading section has the clamp system that can clamp cable messenger.

In addition, to achieve these goals, buffer clamp for erecting cable of the present invention is used for cable messenger is connected electric pole, this cable messenger is used for the communication erecting cable to electric pole, it is characterized in that this buffer clamp is made of fixedly connected tool, nut, the 1st buffer unit and clamp system;

The spire of fixedly connected tool is positioned at the inside center portion of the 1st buffer unit, and rear end is combining with the front face of nut;

The place ahead of above-mentioned clamp system and the 1st buffer unit links, and clamps cable messenger.

Fig. 1 is the stereogram of the buffer clamp for erecting cable of the present invention the 1st embodiment.

Fig. 2 is the exploded perspective view of the clamping section of buffer clamp for erecting cable shown in Figure 1.

Fig. 3 is along the A-A line sectional drawing among Fig. 1.

Fig. 4 is along the B-B line sectional drawing among Fig. 1.

Fig. 5 is the ground plan of clamping section shown in Figure 1.

Fig. 6 is the exploded stereogram of clamping section of the buffer clamp for erecting cable of the present invention the 2nd embodiment.

Fig. 7 is the exploded stereogram of clamping section of the buffer clamp for erecting cable of the present invention the 3rd embodiment.

Fig. 8 is the user mode figure when being arranged on buffer clamp of the present invention on the electric pole.

Fig. 9 is the stereogram of the buffer clamp for erecting cable of the present invention the 4th embodiment.

Figure 10 is the exploded perspective view of buffer clamp for erecting cable shown in Figure 9.

Figure 11 is the A-A line sectional drawing among Fig. 9.

Figure 12 is the amplification profile diagram of clamping section shown in Figure 11.

Figure 13 is the front elevation of the buffer clamp for erecting cable of the present invention the 5th embodiment.

Figure 14 is the skeleton diagram of expression buffer clamp for erecting cable user mode of the present invention.

Below, present invention will be described in detail with reference to the accompanying.

Fig. 1 to Fig. 5 is the figure of the buffer clamp of expression the present invention the 1st embodiment.

Fig. 1 is the stereogram of buffer clamp.

Fig. 2 is the exploded perspective view of the clamping section of buffer clamp shown in Figure 1.

Fig. 3 is the A-A line sectional drawing among Fig. 1.

As shown in Figure 1 to Figure 3, the inner hollow housing (1) of column such as cylindrical shape or polygon is positioned at the central part of buffer clamp (2), end at housing (1), have and can be fixed to fixedly connected tool (3) on the electric pole to buffer clamp of the present invention (2), the clamp system (7) that connects cable messenger is positioned at the opposition side of fixedly connected tool (3).

One end of fixedly connected tool (3) has the ring portion (3a) of annular, and the other end has the spire (3b) of predetermined length.Ring portion (3a) is fixed on the link that is located at precalculated position on the electric pole (Fig. 8 19); Spire (3b) is formed on the circular pin outer periphery with predetermined diameter, screws togather with the nut (4) that is fixed on the housing (1).

Be positioned at the housing (1) of buffer clamp of the present invention (2) central part, the one end is the summary cylindrical shape long tube of taper, is provided with in the one side to connect tool fixed mechanisms such as (3), is provided with clamp system (7) at its opposite side.Connecting tool (3) is used for buffer clamp of the present invention (2) is connected to electric pole.Clamp system (7) is used for can not clamping cable messenger (Fig. 8 17) with breaking away from and easily being connected and separating with cable messenger to suppress relay.

On a side of housing (1), with the side surface part that methods such as welding are being fixed nut (4) integratedly, this nut (4) is screwed onto on the spire (3b) of fixedly connected tool (3).During nut (4) rotation, housing (1) is rotation integratedly also.

The effect of nut (4) is, by the rotation of nut (4), by the spire (3b) of fixedly connected tool (3) housing (1) moved on the cable messenger length direction, like this, can suitably regulate the tension force that is arranged on the cable messenger on the electric pole.

Inside in housing (1) is installed with sliding tube (5) with inserting, and this sliding tube (5) forms the stopper section (5a) that direction is laterally given prominence to predetermined length in back end circumference, and the inside of this sliding tube (5) can be multiple shapes such as the cylindrical shape of hollow or quadrangle.Its material is the corrosion resistance material, for example can adopt stainless steel etc.

As shown in Figure 3, around the terminal part circumference of sliding tube (5), form stopper section (5a), at this stopper section (5a) and be formed between the engaging claw (1a) of housing (1) leading section, spring (6) is installed, this spring (6) makes the fore-and-aft direction motion of sliding tube (5) in housing (1) become elastic movement, thereby plays cushioning effect.

Therefore, above-mentioned spring (6) is to adopt to keep the to a certain degree compression spring of tension force.This compression spring can suitably disperse the external impact load that is added on the anchor clamps (2), plays cushioning effect.

As mentioned above, connecting clamp system (7) in the front side of sliding tube (5), this clamp system (7) is used to connect fastening cable messenger.

Clamp system (7) is installed in the front face of sliding tube (5), and its detailed construction is as follows.

Clamp system (7) is located at the leading section two sides of sliding tube (5), and as shown in Figure 2, clamp system (7) is made of clamping part (9a, 9b) and bonded block that this clamping part (9a, 9b) is bonded on the sliding tube (5).Clamping part (9a, 9b) is that the center is divided into two halves at the leading section of sliding tube (5) and with the end of sliding tube (5).

Above-mentioned clamping part (9a, 9b) forms the cable messenger patchhole (12a, 12b) along its length direction respectively in pre-position, its underpart, this patchhole (12a, 12b) is semicircular, when two clamping parts in conjunction with the time, this patchhole (12a, 12b) forms a patchhole.Cable messenger inserts this patchhole and clamped continuously.In order to clamp cable messenger securely, a plurality of engaging claws (13) on the medial surface in hole, have been formed.

Between the clamping part that separates (9a, 9b),, improve adhesion, on the faying face of clamping part (9a, 9b) bottom, also form cancavo-convex crooked engaging claw (14a, 14b) mutually accordingly for the slip of the length direction that prevents cable messenger.Therefore, two clamping parts (9a, 8b) in conjunction with the time, can prevent the slip that the external force of horizontal direction causes, can clamp cable messenger more securely.

On the other hand, the above-mentioned patchhole (12a, 12b) that is used to insert and clamp cable messenger is formed on the bottom of clamping part (9a, 9b), promptly is formed on the bottom of the sliding tube (5) that is combined in top, therefore, can wear cable messenger continuously.

For the clamping part (9a, 9b) that is divided into two parts is combined on the precalculated position of sliding tube (5), formed the combined hole that side direction runs through (8) in the pre-position, front of sliding tube (5), formed the combined hole corresponding (15a, 15b) in the pre-position, top of clamping part (9a, 9b) respectively, utilized above-mentioned combined hole (8,15a, 15b) by for example bolt (10) and nut (11) combination of bonded block with combined hole (8).

Between bolt (10) and nut (11), packing ring (16) is set and realizes more stable combining.

Fig. 4 is the B-B line sectional drawing among Fig. 1.

Fig. 5 is the ground plan of clamping section shown in Figure 1.

As shown in Figure 4 and Figure 5, the clamping part (9a, 9b) that is divided into two is the front end both sides that bolt (10) and nut (11) are combined in sliding tube (5) by bonded block, under its conjugate state, bottom at clamping part (9a, 9b), cable messenger (17) inserted by patchhole (12a, 12b), this cable messenger (17) that has inserted be formed on patchhole (12a, the 12b) inner side engaging claw (13) securely in conjunction with.

In addition, be divided on two the joint portion, bottom of clamping part (9a, 9b), in order to form the concave-convex engaging claw (14a, 14b) of mutual corresponding engagement, as illustrated in fig. 5, the bottom faces of its bonding state presents crooked shape.

Fig. 6 is that the clamp system of the buffer clamp for erecting cable of the present invention the 2nd embodiment will partly be separated stereogram.

As shown in Figure 6, the buffer clamp of the present invention the 2nd embodiment is compared with the buffer clamp (2) of the 1st embodiment, it is identical going up fixing fixed mechanism toward electric pole (20 among Fig. 8), but it is different to be located at the structure of cable messenger clamping section of sliding tube (5) front.

That is, certain position of sliding tube (5) leading section is become smooth par, top and bottom (5b), this par (5b) has certain thickness flat part, forms the combined hole (8) that connects above-below direction on the predetermined position of par (5b).

Utilize combined hole (8) to constitute by the 1st clamping part (21a), the 2nd clamping part (21b) and nut (11) in conjunction with the clamp system of cable messenger.The 1st clamping part (21a) inserts from a side of the tabular surface (5b) of sliding tube (5); The set bolt (22) that the par, front side (5b) of the 1st clamping part (21a) and sliding tube (5) is coupled together is installed on the 2nd clamping part (21b); Nut (11) is spirally connected at the bottom and the said fixing bolt (22) of sliding tube (5).

The 1st clamping part (21a) slightly is the コ font, so that can insert from a side of the par (5b) of sliding tube, a side of face forms the semicircle cable messenger patchhole (12c) of summary along its length at an upper portion thereof.

Set bolt (22) is installed on the bottom surfaces of the 2nd clamping part (21b), this set bolt (22) is used for inserting and is formed on the combined hole (15a) on the 1st clamping part (21a) and is formed in the combined hole (8) on the sliding tube par (5b), and the 1st clamping part (21a) and sliding tube (5) are combined.Go up formation slightly semicircular cable messenger patchhole (12d) at the 2nd clamping part (21b), with the 1st clamping part (21a) when combining, this cable messenger patchhole (12d) forms the slightly cable messenger patchhole of circle accordingly with the cable messenger patchhole (12c) that is formed on the 1st clamping part (21a) upper side.

Form engaging claw (13) on the medial surface of cable messenger patchhole (12c, 12d) at certain intervals, this engaging claw (13) makes the combination of cable messenger more firm.

Fig. 7 is the figure of the buffer clamp for erecting cable of expression the present invention the 3rd embodiment, is the exploded perspective view of the clamping section of buffer clamp.

As shown in Figure 7, the unitary construction of the buffer clamp of the present invention the 3rd embodiment is identical with above-mentioned the 2nd embodiment major part, difference is, on the 1st clamping part (23a) that combines with sliding tube par (5b) and the 2nd clamping part (23b), insert and clamp in the patchhole (12c, 12d) that cable messenger uses, form the concave-convex engaging claw (14c, 14d) that prevents that cable messenger from sliding to direction of insertion.

In this case, above-mentioned concave-convex engaging claw (14c, 14d) can be that spill engaging claw (14c) is formed on the 1st clamping part (21a), and convex engaging claw (14d) is formed on the 2nd clamping part (23b).Also can be provided with on the contrary with above-mentioned.

When adopting the buffer clamp for erecting cable of the present invention of above-mentioned structure to be erected at cable between the electric pole continuously, can be fixed between the electric pole or separate hanging the cable messenger of establishing above-mentioned cable, or adjustment of tonicity.Describe its using method and effect below in detail.

Expression makes use-case to cable messenger and erecting cable with buffer clamp for erecting cable of the present invention among Fig. 8 between electric pole.

As shown in Figure 8, be provided with bonded block (19) in the pre-position, top of the wire pole that will set up cable (18) (20).Connection tool (3) with buffer clamp (2) one sides of the present invention catches on bonded block (19) to buffer clamp (2) earlier.

In continuous cable messenger (17), stretch-draw is mid portion (below be called midway) and insert between the holes for clamping (12a, 12b) of front side clamp system (7) of buffer clamp (2) its insertion method such as following arbitrarily.

Promptly, when the situation of the present invention the 1st embodiment shown in Figure 1, after the inserting by the cable messenger patchhole (12a, 12b) that is formed on clamping part (9a, 9b) bottom of cable messenger (17) midway, after will inserting combined hole (8,15a, 15b) in conjunction with the bolt (10) of clamping part (9a, 9b), solid with nut (11) spiral shell, just finished the clamping operation.

When the situation of Figure 6 and Figure 7 the present invention the 2nd and the 3rd embodiment, the 1st clamping part (21a, 23a) side slip ground, par (5b) from sliding tube (5) engages, for the 2nd clamping part (21b, 23b) be combined in the 1st clamping part (21a, 23a) go up and clamp cable messenger, the stretch-draw midway of cable messenger (17) and insertion are formed on the 1st clamping part (21a, 23a) with the 2nd clamping part (21b, cable messenger patchhole (12c 23b), 12d), use nut (11) the 1st clamping part (21a then, 23b) with the 2nd clamping part (21b, 23b) screw tight, just finished the clamping operation.

Frictional force when clamping cable messenger (17) in order to strengthen, prevent the landing of cable messenger, formation a plurality of engaging claws (13) or formation can make cable messenger (17) concave-convex engaging claw (14a, 14b, 14c, 14d) into a bent shape in the cable messenger patchhole (12a, 12b, 12c, 12d) on being formed on the 1st and the 2nd clamping part (9a, 9b, 21a, 21b), can clamp cable messenger (17) more securely like this.

With buffer clamp (2) clamping under the state finish midway cable messenger (17), after promptly having set up cable messenger (17) on the electric pole (20), need suitably regulate the tension force of cable messenger (17), at this moment, nut (4) with instrument roll-shell (1) rear ends such as spanners, toward positive direction or counter-rotation, then can suitably regulate the tension force of cable messenger (17) at left and right directions to housing (1).

In addition, because of communication obstacle or other origin of an incident need be buffer clamp (2) when separating with cable messenger, promptly separable with following simple action.

Promptly, with the bar awl bolt (10,22) that connects two clamping parts (9a, 9b, 21a, 21b, 23a, 23b) is unclamped, then each clamping part (9a, 9b, 21a, 21b, 23a, 23b) promptly separates, simultaneously, the cable messenger (17) that is clipped between the cable messenger patchhole (12a, 12b, 12c, 12d) has just separated with anchor clamps simply.

In addition, buffer clamp of the present invention (2), in housing (1), be provided with the sliding tube (5) of Elastic Sliding under the effect of compression spring, be provided with clamp system (7) in the front side of this sliding tube (5), clamp the middle part (non-end) of cable messenger, so, the impact that is added on the cable messenger (17) is passed to sliding tube (5) by clamp system (7), sliding tube (5) is flexibly being supported by compression spring (6), when stretching force when the place ahead applies, sliding tube (5) forwards slides in housing (1) inside, so can relax outside impact.The front end of above-mentioned spring (6) is by inboard engaging claw (1a) supporting of housing (1), and the rear end is being supported by the stopper section, rear end (5a) of sliding tube (5).

In addition, when the stretching force that causes when external impact was removed, under the recuperability effect of spring (6), sliding tube (5) rearward slided and resets in housing (1) inside.

The buffer clamp of the 1st to the 3rd embodiment according to the present invention, side at buffer clamp has the connection tool that easily is connected with electric pole, opposite side has the clamp system that is made of two clamping parts of cutting apart, and this clamp system easily is connected or throws off with the cable messenger that is located at continuously between the electric pole.Therefore, communication cable and cable messenger continuously or long distance when being erected on the electric pole, can finish this rapidly and expeditiously and set up operation.

In addition, housing of the present invention rear end fixed nut, by rotate this nut just can make housing forwards, backwards direction move, therefore, also adjustment of tonicity easily after cable messenger being set up on the electric pole.

In addition, at the spring that between the outermost housing of anchor clamps and its inner sliding tube, is provided with as buffer gear, can prevent farthest to reduce accidents such as communication interruption because of external impact causes the breakage of cable messenger or fracture etc.

Seeing also Fig. 9 extremely shown in Figure 12 is the fourth embodiment of the present invention.

Fig. 9 is the oblique view of buffer clamp.

Figure 10 is the exploded perspective view of above-mentioned buffer clamp shown in Figure 9.

Figure 11 is the profile of the A-A line of above-mentioned Fig. 9.

Figure 12 is the part amplification profile of above-mentioned anchor clamps shown in Figure 11.

It is the side of buffer clamp 100 on the electric post fixedly connected tool 42 that has been permanently connected easily that the summary of buffer structure of the present invention is formed; in the opposite direction of said fixing connection tool 42, insertion connects the anchor clamps 43 that have cable messenger 76 and adds cable messenger 76 backs is to protect cable to avoid the sliding tube 48 of external impact.

As shown in figure 10, be fixed with housing 41 in outermost of the present invention and be provided with the conglobate long tube of being with tapering, be provided with the syndeton of fixedly connected tool 42 grades that can hook buffer clamp 100 of the present invention at this side electricity post at a side end of housing 41; Put forth effort fastening cable messenger at the opposite side of housing 41 with strong pressure it can not be broken away from, simultaneously, be provided with the fastener of easy connection and separation again.

In above-mentioned clamp system, anchor clamps 43 have first buffer unit on the side body 41 outside, by spring 44, play the effect of buffering for the impact energy of outside.

In a side of above-mentioned housing 41, the position that promptly is provided with fixedly connected tool 42 is provided with the travel mechanism that can screw togather and have the nut 46a of internal thread with external screw rod 42b.For example nut 46 is fixed by the method for welding in the end of housing 41.The rotation that is nut 46 is to rotate jointly with housing 41.

By rotating above-mentioned nut 46, housing 41 can move on the spire 42c of fixedly connected tool 42 at the length direction of cable messenger, when suitably being adjusted in the tension force of the cable messenger 16 that setting is on the electric pole, is fine under critical situation.

At the material of above-mentioned housing 41 inner stainless steels that use excellent corrosion resistances etc., the sliding tube 48 of the hollow tube bodily form of the block 5a that is equiped with annular is inserted in its rear end.

At this moment, above-mentioned sliding tube 48 is on the annular engaging claw 41a of housing 41 front ends, connect by spring 44 elasticity, sliding tube 48 is in housing 41 inside, but the selection campaign of fore-and-aft direction, the spring 44 of rubber-like second buffer unit can suitably disperse load to play cushioning effect by external impact between the engaging claw 41a of above-mentioned housing 41 and the block 47 of sliding tube, for example the compression spring of available high-tension.

Thereby, the sliding motion of the direction forwards, backwards of sliding tube 48, be subjected to outside impact etc. when adding the occasion of cable messenger 76, can restore by the recovery elastic force of spring 44.

At the front end of sliding tube 48, be provided with the anchor clamps 43 that above-mentioned cable messenger connects usefulness, diminish to the preceding extreme direction diameter of sliding tube 48, form the tapering shape.

Front end at sliding tube 48 is provided with the fastener hole 43a that is provided with in accordance with regulations that can insert cable messenger 76, can accommodate the

internal structure

9,10,12 of the fastening usefulness of fastening majority in the inside of inserting cable messenger 76.

Describe the tectonic relationship of the

internal structure

9,10,12 of above-mentioned fastening usefulness below in detail.

The clamp body 43b fixing in the outermost of anchor clamps 43 is provided with the patchhole 43a that inserts cable messenger at its leading section, rearward forms diameter from above-mentioned patchhole 43a and becomes big tapering shape gradually, and in tapering end of a period part, sliding tube 48 is contact condition with sliding part 45.

As Figure 10, as shown in Figure 11, insert in the inside of above-mentioned clamp body 43b cable messenger in conjunction with tool 49, clamp button 52 and the 2nd buffer unit 50.

The cable messenger that is installed in the leading section of clamp body 43b is formed with the suspension line of two separation in conjunction with

tool

49a, 49b in conjunction with tool 49, in conjunction with the time, in the faying face of two separation cable messengers in conjunction with

tool parts

49a, 49b of accommodating the cable messenger space that inside forms, be formed with most protuberance 49a ' ', 49b ', make the combination of cable messenger more firm.

At this moment, above-mentioned majority protuberance 49a ' ', 49b ' and the identical inclination that is formed with certain angle of direction of inserting cable messenger are when cable messenger inserts from the place ahead, can the nature insertion, but in the time of in the other direction, i.e. during pulling force action occasion, it can not be broken away from the fastening cable messenger of protuberance.

At the rear of above-mentioned cable messenger in conjunction with tool 49, forwards the resilient support cable messenger links the 2nd buffer unit 50 of parts 49, and its resiliency supported is on the inside of sliding tube 48, tortuous engaging claw 52.Above-mentioned cable messenger is in conjunction with having the button 52 of clamping between tool 49 and the 2nd buffer unit 50.

Promptly, above-mentioned clamping button 52 makes up in being formed with the clamp body 43b of tapering, its material that will have morphotropism constitutes, PVC synthetic resin for example is formed with the semi-triangular peristome 52b to internal bend in the centre, it is formed on the inboard of outstanding platform 52a.

Figure 13 is the front view of the anchor clamps of fifth embodiment of the invention buffering usefulness.

As above-mentioned shown in Figure 13, fifth embodiment of the present invention buffer clamp 200 has the technical pattern that is had in the 4th embodiment of above-mentioned explanation, and different technical patterns are described as follows.

Have the anchor clamps 43 that make cable messenger connect and separate easily in the present embodiment, when the outside was hit, the spring 78 that is provided with buffering usefulness reached the adjusting device of fixing and can regulate length in a side of electric pole.

The basic structure of anchor clamps 43 is identical with the clamp structure of above-mentioned first embodiment, just has anchor clamps hole 43a at its front end, forms the atretic body of locking in the rear end, accommodates the

inside component parts

9,10,12 that anchor clamps are used in clamp body 73.

At the rear side of clamp body 73 and second buffer unit between the nut 46, spring 44 for example is housed, a side of above-mentioned nut 46 is combined into one with methods such as weldings.

Above-mentioned nut 46 with fixedly connected the spire 42c of tool 42 and screw togather, can move a certain distance by rotation.

Figure 14 is that the present invention uses the user mode figure of buffer clamp 100,200 between cable messenger that is provided with on the electric pole and cable.

As shown in figure 14, it is necessary that the cable messenger 76 that cable 75 is set up in the support of buffer clamp 100,200 of the present invention is fixed on the electric pole 54, also be to regulate to separate or employed during tension force, this using method and effect etc. specify as after.

At first, on the fixing fixed part 57 in the top of the electric pole 54 that sets up cable 75, with the fixing buffer clamp 100 of the fixedly connected tool 42 of buffer clamp 100.

Then, insert the cable messenger 56 that stretches in the anchor clamps 43 of buffer clamp 100, this insertion method is as follows.

Promptly, insert in the front end anchor clamps hole 43a of anchor clamps 43 end of cable messenger 76, the separation shape cable messenger that is provided with in the front end tapered portion of sliding tube 48 is in conjunction with

tool parts

49a, 49b, cable messenger is enlarged in conjunction with the interval of tool 49a, the mutual part of 49b, Center Gap in its expansion can insert cable messenger 76, and at this moment the operator inserts with hand and can perceive (consulting Figure 12).After finishing, the insertion of cable messenger 76 decontrols the hand that grips cable messenger 76, by artificial power, expand in the wings open separation cable messenger in conjunction with

tool parts

49a, 49b, by the recovery elastic force of the 2nd buffer unit 50, give as security tight cable messenger forwardly in conjunction with tool parts 49a, 49b.At this moment, cable messenger shrinks in conjunction with the tapering face of tool parts 49a, the 49b center position along the front side tapering face of sliding tube 48, at the fastening cable messenger 76 of central part.

At this moment, aforementioned cable messenger is formed with the structure of stage portion in the wings in conjunction with most protuberance 49a ' ', 49b ' of the central part formation of

tool parts

49a, 49b, so can prevent cable messenger 56 breaks away from from the place ahead, in order to make cable messenger 56 fastening better, when inserting, to allow cable messenger 56 enter sleekly.

The structure of anchor clamps 43 of the present invention is after cable messenger 56 combinations, can prevent the structure that breaks away from, add pulling force to the direction that cable messenger 56 breaks away from, cable messenger of the present invention has strengthened fastening in conjunction with

tool parts

49a, 49b by the front side tapering portion of sliding tube 48, in case, the fastening cable messenger that is over 56 be added into into external force, can prevent that it from random separating.

One side of cable messenger 56 uses buffer clamp 100, when fastening being over, the tension force of suitably regulating cable messenger 76 is necessary, at this moment at the nut 46 of housing 41 rear ends, instrument in conjunction with spanner etc., to positive direction, rotary shell 41 in reverse direction, suitably regulate the tension force of cable messenger 56, has this kind function, cable messenger 56 intercalation slidably in housing 41 is gone in the front side anchor clamps 43 of sliding tube 48 fastening, the nut 46 of housing 41 rear end secure bond with screw togather at the fastening external screw rod 42b of tool 42 of fixedlying connected of electric pole 54, the nut 46 of rotary shell 41, the spacing of fixedly connected tool 42 of scalable and housing 41, such spacing are regulated and can be reached the tension force of regulating cable messenger 76.

When the communication barrier and other situation take place, the time, need when separating the occasion of cable messengers 76, can separate buffering anchor clamps 100 by following simple motion.

Anchor clamps 43 by sliding tube 48 front sides, fastened cable messenger 76 separates, the resiliency supported cable messenger is in conjunction with the 2nd buffer unit 50 of

tool parts

49a, 49b, make it be converted to compressive state, messenger cable in conjunction with

tool parts

49a, 49b from the front side tapering of sliding tube 48 rearward move take place trip every, in conjunction with the fastening cable messenger 76 separated attitudes of

tool parts

49a, 49b, make the spring of the 2nd buffer unit 50 only make compressed action at messenger cable.

Messenger cable has outstanding laterally outstanding platform 72a in conjunction with

tool parts

49a, 49b and the clamping button 52 between the 2nd buffer unit 50, it exposes on the sliding eye 48a of the front side of sliding tube 48, so the operator controls outstanding platform 72a and rearward slides, clamping button 52 slides mobile at sliding tube 48 front ends, compress the 2nd buffer unit 50 simultaneously, messenger cable can be changed cable messenger 56 in conjunction with

tool parts

49a, 49b and be releasing orientation.

As described above; the present invention that the utmost points such as the connection of cable messenger 56, the adjusting of tension force, separation can carry out easily; when use is set; external impact is contact such as oversize vehicle cable messenger for example; protection is that cable messenger is as one from the method for external impact cable messenger 56; perhaps the method by other link to clamp, can advance preventing communication wire 75 damaged and cutting off.

Impact when the outside puts on line 76, and at first tension force is passed to cable messenger 76 earlier, is necessary so use buffer unit.The compression spring 44 that buffer clamp 100 of the present invention is provided with by inside in housing 41, be provided with the sliding tube 48 that can elastic force slides, at the front side of aforementioned sliding tube 48 anchor clamps 43 fastening cable messengers 76, put on the impulsive force of cable messenger 76, by being arranged on the anchor clamps sliding tube 48 on 43, the inboard of the front end shell 41 of this sliding tube 48 pawl 41a that risks one's life is sent out by bullet, send out compression spring 44 at rear end block 47 bullets of the sliding tube 48 of rear end, when the place ahead of resilient support applies the occasion of pulling force, forwards slide in housing 41 inside, the impact that buffering is outside.

By external impact, remove pulling force, certain recovery elasticity by spring 44, housing 41 inside are rearward slided move and restore.

The basic action of the fifth embodiment of the present invention is identical with effect as shown in Figure 13, and the binding of formation cable messenger 76 and the anchor clamps 43 of separation are with above-mentioned the 4th embodiment identical Therefore, omited explanation.

If when wanting to regulate the tension force of cable messenger 56, the nut 6 that screws togather on fixedly connected tool 42 is regulated to positive direction with the instrument of spanner etc., and tension force also is conditioned.

When external impact cable messenger 76, spring 44 stretches simultaneously, can prevent the accident such as destruction, cut-out of cable messenger 16.

That is, first buffer unit 44 of above-mentioned the 5th embodiment is to use special extension spring to be its feature in the 4th embodiment.

More than, the the 4th, the 5th embodiment that sets up the anchor clamps that cable uses with regard to the present invention studies, the present invention sets up the anchor clamps that cable uses and set up telecommunication cable on electric pole etc., when on electric pole, carrying out the occasion of the binding of cable messenger or separation, have buffer clamp and can improve speed, link easily, raise the efficiency.Tension adjustment function with cable messenger can make regulates operation and carries out easily, when external impact, is provided with and can prevents the destruction of cable messenger or the buffer unit of cut-out in advance, can be from cable protection communication, the generation of stopping accident etc.

The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. buffer clamp that erecting cable is used, be used for cable messenger is connected electric pole continuously, this cable messenger and communication cable link, be used for this communication erecting cable to electric pole, it is characterized in that this buffer clamp is made of fixedly connected tool, nut, housing, sliding tube, buffer gear, clamping part and bonded block;

2. buffer clamp for erecting cable as claimed in claim 1 is characterized in that, above-mentioned housing is the cylindrical shell of inner hollow.

3. buffer clamp for erecting cable as claimed in claim 1 is characterized in that, above-mentioned sliding tube is the quadrangle prismatic slip pipe of inner hollow.

4. buffer clamp for erecting cable as claimed in claim 1 is characterized in that above-mentioned bonded block is a screw bolt and nut.

5. buffer clamp for erecting cable as claimed in claim 1 is characterized in that, the cable messenger patchhole medial surface in above-mentioned clamping part bottom forms the engaging claw of a plurality of strong bonded cable messengers along its length direction.

6. buffer clamp for erecting cable as claimed in claim 1 is characterized in that, on the lower engagement face of above-mentioned clamping part, is formed for the concave-convex engaging claw that prevents that length direction from sliding respectively mutually accordingly.

7. buffer clamp for erecting cable as claimed in claim 1 is characterized in that, above-mentioned buffer gear is the compression spring.

8. buffer clamp that erecting cable is used, be used for cable messenger is connected electric pole continuously, this cable messenger is used for the communication erecting cable to electric pole, it is characterized in that this buffer clamp is made of fixedly connected tool, nut, housing, sliding tube, buffer gear, the 1st clamping part, the 2nd clamping part and bonded block;

9. buffer clamp for erecting cable as claimed in claim 8 is characterized in that, above-mentioned housing is the cylindrical shell of inner hollow.

10. buffer clamp for erecting cable as claimed in claim 8 is characterized in that, the position that is housed in enclosure interior of above-mentioned sliding tube is the quadrangle stylostome of inner hollow.

11. buffer clamp for erecting cable as claimed in claim 8 is characterized in that, above-mentioned bonded block is a nut.

12. buffer clamp for erecting cable as claimed in claim 8 is characterized in that, on the medial surface that is formed on the cable messenger patchhole on above-mentioned the 1st clamping part and the 2nd clamping part lower engagement face, forms a plurality of engaging claws that prevent that length direction from sliding.

13. buffer clamp for erecting cable as claimed in claim 8 is characterized in that, on the composition surface that is formed on the cable messenger patchhole on above-mentioned the 1st clamping part and the 2nd clamping part, forms corresponding mutually concave-convex engaging claw.

14. buffer clamp for erecting cable as claimed in claim 8 is characterized in that, above-mentioned buffer gear is compression or extension spring.

15. the buffer clamp that erecting cable is used is used for cable messenger is connected electric pole, this cable messenger is used for the communication erecting cable it is characterized in that to electric pole this buffer clamp is made of fixedly connected tool, nut, housing and sliding tube;

16. buffer clamp for erecting cable as claimed in claim 15, it is characterized in that, the front end certain-length scope of above-mentioned housing forms the more little taper of diameter more forwards, at the inner engaging claw that forms of the periphery at taper position, the 1st buffer unit leading section that inside is installed with is bearing on this engaging claw.

17., it is characterized in that above-mentioned housing is cylindrical shape or polygon housing as claim 15 or 16 described buffer clamp for erecting cable.

18. buffer clamp for erecting cable as claimed in claim 15 is characterized in that, above-mentioned sliding tube constitutes by clamping housing, sliding part and stopper section;

The certain-length scope of above-mentioned clamping housing forms the more little taper of diameter more forwards, forms the patchhole that inserts for cable messenger on tapered portion;

Diameter with identical size prolongs certain-length to above-mentioned sliding part at the rear that clamps housing, forms notch on the bottom surfaces thereon;

Direction is outstanding laterally in the rear end of sliding part in above-mentioned stopper section.

19. buffer clamp for erecting cable as claimed in claim 15 is characterized in that, the clamp system that above-mentioned sliding tube front side has is made of in conjunction with tool, clamping button and the 2nd buffer unit cable messenger;

Above-mentioned cable messenger is positioned at the clamping housing of sliding tube front side in conjunction with tool, is divided into two parts up and down, is expanded along the taper inclined plane by the insertion of cable messenger to open or shrink;

Above-mentioned clamping button is positioned at the rear of cable messenger in conjunction with tool, can rearward move by outstanding platform artificially, and this outstanding platform protrudes in the notch outside that is formed on the face of sliding tube top and the bottom;

Above-mentioned the 2nd buffer unit is positioned at the rear that clamps button, and the clamping button that has moved to the rear is returned the place ahead.

20. buffer clamp for erecting cable as claimed in claim 19, it is characterized in that, above-mentioned two cable messengers that combining between the higher and lower levels are in conjunction with the tool parts, on its faying face, form a plurality of towards with the projecting part of the same direction inclination of cable messenger direction of insertion certain angle.

21. buffer clamp for erecting cable as claimed in claim 19 is characterized in that, is clamping the inner central section of button, forms the predetermined size openings portion of joining with center position.

22., it is characterized in that above-mentioned clamping button is to make with yielding elastic synthetic resin material as claim 19 or 21 described buffer clamp for erecting cable.

23., it is characterized in that above-mentioned the 1st buffer unit and the 2nd buffer unit are extension spring or compression spring as claim 15 or 19 described buffer clamp for erecting cable.

24. buffer clamp that erecting cable is used, be used for cable messenger is connected electric pole, this cable messenger is used for the communication erecting cable it is characterized in that to electric pole this buffer clamp is made of fixedly connected tool, nut, the 1st buffer unit and clamp system;

25. buffer clamp for erecting cable as claimed in claim 24 is characterized in that, above-mentioned clamp system is made of housing and clamping part; The front end certain-length scope of this housing forms the more little taper of diameter more forwards; This clamping part is housed in the housing, and the cable messenger of insertion moves along the inclined plane of taper, clamps cable messenger.

26. buffer clamp for erecting cable as claimed in claim 25 is characterized in that, clamping part is made of in conjunction with tool, clamping button and the 2nd buffer unit cable messenger;

Above-mentioned cable messenger is divided into up and down two parts in conjunction with tool, is expanded along the taper surface of outside housing by the insertion of cable messenger and opens or shrink;

Above-mentioned clamping button is positioned at the rear of cable messenger in conjunction with tool, can rearward move artificially by outstanding platform, and this outstanding platform protrudes in the notch that is formed on the face of housing top and the bottom;

The 2nd buffer unit is positioned at the rear that clamps button, and the clamping button that has rearward moved is returned the place ahead.

27. buffer clamp for erecting cable as claimed in claim 26 is characterized in that, above-mentioned two cable messengers that combining between the higher and lower levels are in conjunction with the tool parts, form the protuberance of a plurality of courts and the same direction inclination of cable messenger direction of insertion certain angle on its faying face.

28. buffer clamp for erecting cable as claimed in claim 26 is characterized in that, in the inner central section of above-mentioned clamping button, and the predetermined size openings portion that formation can be connected with center position.

29., it is characterized in that above-mentioned clamping button is made by yielding elastic synthetic resin material as claim 26 or 28 described buffer clamp for erecting cable.

30., it is characterized in that above-mentioned the 1st buffer unit and the 2nd buffer unit are extension spring or compression spring as claim 24 or 26 described buffer clamp for erecting cable.