Disclosure of Invention
The invention provides an adjustable strain clamp and an adjusting method, which are used for solving the problem that the cable skin is easy to be damaged when the cable is clamped by the existing strain clamp.
The invention relates to an adjustable strain clamp and an adjusting method, which adopts the following technical scheme:
An adjustable strain clamp comprises a clamp body, a locking buckle, a mounting block and a cushion block.
The wire clamp comprises a clamp body, a wire rod, a plurality of locking buckles, a plurality of installing blocks, a limiting groove, a cushion block and a deformation groove, wherein the clamp body is provided with an arc-shaped wire groove, the arc-shaped wire groove can accommodate a wire, the clamp body is provided with a first fixing portion and a second fixing portion, the first fixing portion is used for being connected with a wire pole, the second fixing portion is used for being connected with external equipment, the locking buckles are arranged in a plurality of mode, the locking buckles can lock the wire in the arc-shaped wire groove, the installing blocks are arranged in a plurality, each installing block corresponds to one locking buckle, the limiting groove is arranged on the installing block, the locking buckles can enter the limiting groove, the cushion block is provided with a plurality of deformation grooves with openings facing the wire rod, the deformation grooves are arranged in the cushion block in a first preset mode in the length direction, the cushion block is provided with an adjusting piece, the deformation grooves are arranged in the cushion block, and when the adjusting piece is in contact with the wire rod, the deformation grooves are enlarged, and when the positions of the wire rod are not in contact with the wire rod are enlarged.
Further, the number of the deformation grooves on the cushion block is even, the cushion block is provided with a central line in the length direction of the cushion block, the deformation grooves are symmetrically arranged about the central line, the larger the distance between the deformation grooves and the central line is, the larger the opening size of the deformation grooves is, and the adjusting parts can simultaneously adjust the opening sizes of the deformation grooves on two sides of the central line.
Further, the regulating part comprises a regulating shaft and two regulating ropes, the regulating shafts are rotationally connected to the cushion blocks, the regulating shafts are located at the positions of the central lines, one end of each regulating rope is fixedly connected to the regulating shaft, the other ends of the two regulating ropes are respectively and fixedly connected with the side walls of the deformation grooves far away from the central lines, the middle parts of the regulating ropes penetrate through the side walls between the other deformation grooves in a sliding mode, and when the regulating shafts rotate, the regulating ropes are gradually wound on the regulating shafts.
Further, a rotating shaft is fixedly arranged on the central line of the cushion block, a mounting groove is formed in the mounting block, and the cushion block is rotatably mounted in the mounting groove through the rotating shaft.
Further, the adjusting shaft is coaxially and spirally connected with the rotating shaft.
Further, the side wall of the cushion block contacting the cable is arranged in an arc shape.
Further, the locking buckle is set to be similar to a U shape, the locking buckle is provided with two relatively parallel first locking rods, the first locking rods penetrate through the clamp body, each first locking rod is provided with a first locking nut, the first locking nuts are in threaded connection with the first locking rods, and each first locking nut can be abutted to the clamp body.
Further, the locking buckle is arranged in a spiral ring shape; the quasi-spiral annular of locking knot can take place deformation, the locking knot has two second locking poles that are relatively parallel, and the cable can pass inside the locking knot, the second locking pole all runs through the clamp body, every all be provided with the second locking nut on the second locking pole, the second locking nut with second locking pole threaded connection, every the second locking nut homoenergetic butt the clamp body.
Further, when the locking buckle is in a spiral ring shape, a plurality of installation blocks are arranged in the circumferential direction of the cable, each installation block is provided with one cushion block, and each installation block can be abutted to the locking buckle.
An adjustable strain clamp adjusting method, which uses the adjustable strain clamp, comprises the following steps:
S1, placing a cable in the arc-shaped wire slot;
S2, arranging an installation block between the locking buckle and the cable;
S3, changing the opening size of the deformation groove on the cushion block when the cushion block contacts the cable.
The adjustable strain clamp and the adjusting method have the beneficial effects that the adjustable strain clamp comprises the clamp body, the locking buckles, the mounting blocks and the cushion blocks, when the strain clamp is put into use, the first fixing part is fixedly connected to a telegraph pole, the second fixing part is connected with a cable by using external equipment, the cable is in a tensioned state, then the cable penetrates into the arc-shaped wire groove, the cable penetrates through the locking buckles, the mounting blocks are arranged between each locking buckle and the cable, the cushion blocks capable of directly contacting the cable are mounted on the mounting blocks, then the mounting blocks are extruded into the arc-shaped wire groove by the locking buckles, the positions, where the cable skin contacts with the cushion blocks, of the adjusting piece are deformed, the opening of the deformation grooves is reduced, the cushion blocks deform, the extrusion force on the surface of the cable is changed, the cushion blocks are reduced by arranging the cushion blocks, and the occurrence degree of the cable skin is reduced, and the probability of breakage of the cable is further reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an adjustable strain clamp according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mounting block and a cushion block in an adjustable strain clamp according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an installation block in an adjustable strain clamp according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a spacer in an adjustable strain clamp according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a spacer block over center line in an adjustable strain clamp provided by an embodiment of the invention;
FIG. 6 is a cross-sectional view of an adjustable strain clamp with a center line of a pad block in the strain clamp in place;
Fig. 7 is a schematic structural diagram of an adjusting shaft and an adjusting rope in an adjustable strain clamp according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an adjustable strain clamp according to an embodiment of the present invention when the locking buckle is in a spiral-like ring shape.
110, A clamp body, 111, an arc-shaped wire slot, 120, a first fixing rod, 121, a fixing nut, 130, a second fixing rod, 140, a locking buckle, 141, a first locking rod, 142, a first locking nut, 143, a second locking rod, 210, a mounting block, 211, a limiting slot, 212, a mounting slot, 220, a cushion block, 221, a deformation slot, 230, an adjusting shaft, 240, an adjusting rope, 250, a rotating shaft, 251 and a plug hole.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The numbering of components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 8, an adjustable strain clamp according to an embodiment of the present invention includes a clamp body 110, a locking buckle 140, a mounting block 210 and a spacer block 220.
The clamp body 110 is provided with an arc-shaped wire slot 111, the extending direction of the arc-shaped wire slot 111 on the clamp body 110 is provided with an arc, the side wall of the arc-shaped wire slot 111 is also provided with an arc, a circular cable can enter the arc-shaped wire slot 111, a first fixing part and a second fixing part are arranged on the clamp body 110, specifically, the first fixing part comprises a first fixing rod 120 and a fixing nut 121, the first fixing rod 120 penetrates through the clamp body 110 in a sliding mode, the fixing nut 121 is in threaded connection with the first fixing rod 120, the fixing nut 121 can be abutted to the clamp body 110, and therefore the first fixing rod 120 is fixed on the clamp body 110, and in the use process, the clamp body 110 is fixed on a telegraph pole through the first fixing rod 120. The second fixed part is second dead lever 130, second dead lever 130 fixed welding is in the clamp body 110, external equipment can be in the same place second dead lever 130 and cable connection, wherein, external equipment is traction clamp and couple, the couple can hang on second dead lever 130, when first dead lever 120 fixed connection is on the wire pole, traction clamp centre gripping is on the cable, will couple simultaneously on second dead lever 130, be provided with the connection rope between traction lever and the couple, be provided with the rolling ware on the couple, the rolling ware can be to the connection rope, make the cable form tensioning section and lax section, place the cable of lax section inside arc wire casing 111.
The locking buckles 140 are provided in plurality, the locking buckles 140 are uniformly arranged along the extending direction of the arc-shaped wire slot 111, and the adjacent two locking buckles 140 are spaced at the same distance. The locking buckle 140 can lock the cable in the arc-shaped slot 111, in this embodiment, the locking buckle 140 has a shape slightly similar to a U, the locking buckle 140 has two relatively parallel first locking rods 141, the first locking rods 141 all penetrate the clamp body 110, a thread groove is formed in each first locking rod 141, a first locking nut 142 is formed in each first locking rod 141, the first locking nuts 142 are in threaded connection with the first locking rods 141, and each first locking nut 142 can abut against the clamp body 110.
The installation piece 210 is provided with a plurality of, and every installation piece 210 corresponds the setting with a locking knot 140, is provided with spacing groove 211 on the installation piece 210, and locking knot 140 can get into spacing inslot 211, and when the cable was got into inside the arc wire casing 111, installation piece 210 was installed on locking knot 140, through setting up installation piece 210, prevented that locking knot 140 from directly contacting the epidermis of cable.
The cushion block 220 is provided with a plurality of, and an installation piece 210 is connected to every cushion block 220, and the cushion block 220 can with cable butt, is provided with a plurality of openings on the cushion block 220 towards the deformation groove 221 of cable, specifically, the cushion block 220 is the cuboid-like structure, and when the cushion block 220 level was placed, the opening of a plurality of deformation grooves 221 was up, and arbitrary deformation groove 221 all was the V-arrangement, when the both ends was to the middle part extrusion about to the cushion block 220, the opening size of a plurality of deformation grooves 221 can change for the cushion block 220 wholly takes place deformation. After the spacer block 220 is mounted on the mounting block 210, the first locking nut 142 is screwed to enable the spacer block 220 to be in close contact with the cable, so that the cable is fixed in the arc-shaped wire slot 111, at this time, the cable skin deforms in the axial direction due to extrusion of the spacer block 220, specifically, the deformation of the cable is concave in the contact area of the cable and the spacer block 220, and the cable skin at the edge of the spacer block 220 bulges. The cushion block 220 is provided with an adjusting piece, the adjusting piece is used for changing the opening size of the deformation groove 221 when the cushion block 220 is in contact with a cable, when the opening of the deformation groove 221 is reduced, the extrusion force of the cushion block 220 on the cable skin at different positions is increased, after the cushion block 220 is deformed, the cushion block 220 is used for approaching the raised area of the traction cable skin to the center of the cushion block 220, and therefore the deformation degree of the cable skin is reduced.
According to the adjustable strain clamp disclosed by the invention, when the strain clamp is put into use, the first fixing part is fixedly connected to the telegraph pole, the second fixing part is connected with a cable by using external equipment, so that the cable is in a tensioned state, then the cable penetrates into the arc-shaped wire groove 111, the cable penetrates through the plurality of locking buckles 140, a mounting block 210 is arranged between each locking buckle 140 and the cable, a cushion block 220 capable of directly contacting the cable is arranged on the mounting block 210, the mounting block 210 is extruded into the arc-shaped wire groove 111 by using the locking buckles 140, the contact position of the cable skin and the cushion block 220 is deformed under the action of the locking buckles 140, the opening of the plurality of deformation grooves 221 is reduced by adjusting the adjusting piece, the cushion block 220 is deformed when the opening of the deformation grooves 221 is reduced, the extrusion force of the cushion block 220 on the cable surface is changed, the degree of deformation of the cable skin is reduced by arranging the cushion block 220, and the probability of breakage of the cable skin is further reduced.
In one embodiment, the number of the deformation grooves 221 on the pad 220 is even, the pad 220 has a center line in its length direction, the deformation grooves 221 are symmetrically arranged about the center line, and in any side of the center line, the opening of the deformation groove 221 gradually increases along with the distance from the center line, wherein the opening size of the deformation groove 221 refers to the size of the deformation groove 221 in the length direction of the pad 220, and further, the larger the opening of the deformation groove 221, the greater the degree of deformation of the pad 220 when the length direction of the pad 220 is extruded. The adjusting piece simultaneously adjusts the opening sizes of the deformation grooves 221 on two sides of the center line, when the first locking nut 142 is not abutted against the clamp body 110 in an initial state, the cushion block 220 is not extruded on the cable, the deformation grooves 221 on the cushion block 220 are in a maximum state, after the first locking nut 142 is abutted against the clamp body 110, the cushion block 220 extrudes the cable, the contact area of the cable and the cushion block 220 is sunken towards the cable axis direction, the cable skin at the edge of the cushion block 220 is raised, at the moment, the adjusting piece reduces the opening size of the deformation grooves 221, when the opening of the deformation grooves 221 is reduced, the surface contacted with the cable is deformed, the skin raised by the cable is close to the center of the cushion block 220 when the cushion block 220 is deformed, and the degree of cable skin deformation is reduced.
In one embodiment, the adjusting member includes an adjusting shaft 230 and two adjusting ropes 240, the adjusting shaft 230 is rotatably connected to the pad 220, specifically, a mounting hole is provided in the center line of the pad 220, and the adjusting shaft 230 is rotatably disposed in the mounting hole. One end of each of the two adjusting ropes 240 is fixedly connected with the adjusting shaft 230, the other ends of the two adjusting ropes 240 are respectively and fixedly connected with the side walls of the two deformation grooves 221 far away from the center line, the middle part of each adjusting rope 240 penetrates through the side walls between the two adjacent deformation grooves 221 in a sliding mode, and when the adjusting shaft 230 rotates, the adjusting ropes 240 are gradually wound on the adjusting shaft 230, so that the opening of each deformation groove 221 is gradually reduced.
In one embodiment, the adjusting member includes a plurality of electric control cylinders, each electric control cylinder is disposed in one deformation groove 221, the length direction of each electric control cylinder is the same as the length direction of the cushion block 220, two ends of each electric control cylinder are respectively and fixedly connected with two side walls of the deformation groove 221, in an initial state, an opening of the deformation groove 221 is in a maximum state, the length of each electric control cylinder is in a longest state, and after the cushion block 220 extrudes a cable, the plurality of electric control cylinders are simultaneously shortened, so that the surface of the cushion block 220 contacting the cable is deformed.
In one embodiment, the center line of the pad 220 is fixedly provided with a rotating shaft 250, the mounting block 210 is provided with a mounting groove 212, the opening of the mounting groove 212 faces the cable, the pad 220 is arranged in the mounting groove 212, and the pad 220 can rotate around the rotating shaft 250 in the mounting groove 212. Further, after the plurality of locking buckles 140 fix the cables, the winding device is loosened to connect the ropes, the cables in the tensioning section are acted on the clamp body 110 by tension, the cables can be subjected to traction force in the axial direction, in order to prevent relative movement between the cable skin and the cable inner core, at this time, the cushion block 220 can rotate around the rotating shaft 250, the extrusion force of the cables at different positions of the cushion block 220 is changed, and then the probability of relative movement between the cable skin and the cable inner core is reduced.
In one embodiment, the adjusting shaft 230 is coaxially and spirally connected with the rotating shaft 250, specifically, a first spiral groove is disposed on the outer side wall of the adjusting shaft 230, a plug hole 251 is disposed in the rotating shaft 250, a second spiral groove is disposed on the inner side wall of the plug hole 251, the adjusting shaft 230 is spirally connected with the plug hole 251, and when the adjusting shaft 230 rotates, the adjusting shaft 230 moves relatively around the axis direction of the adjusting shaft 230, so that the adjusting ropes 240 are uniformly distributed on the adjusting shaft 230.
In one embodiment, the spacer 220 is configured to have an arc shape on the side wall of the cable, and by configuring the spacer 220 to contact the side wall of the cable, it is ensured that the spacer 220 is able to fully contact the cable side wall.
In one embodiment, the locking buckle 140 is configured like a spiral ring, as shown in fig. 8, the locking buckle 140 has two relatively parallel second locking rods 143, the locking buckle 140 has a spiral ring, the spiral ring of the locking buckle 140 can be deformed, in an initial state, the spiral ring of the locking buckle 140 is in a maximum state, a cable can pass through the spiral ring of the locking buckle 140, the second locking rods 143 penetrate through the clamp body 110, each second locking rod 143 is provided with a second locking nut, the second locking nuts are in threaded connection with the second locking rods 143, each second locking nut can be abutted against the clamp body 110, in an initial state, the second locking nuts are in a state of not abutting against the clamp body 110, in a state of screwing the second locking nuts, the spiral ring of the locking buckle 140 is gradually reduced, and the spiral ring of the locking buckle 140 is gradually fastened to the cable.
In one embodiment, when the locking buckle 140 is in a spiral ring shape, a plurality of mounting blocks 210 are arranged in the circumferential direction of the cable, each mounting block 210 is provided with a cushion block 220, each mounting block 210 can be abutted against the locking buckle 140, and deformation of the cable in the circumferential direction can be compensated by arranging the plurality of cushion blocks 220, so that the probability of damage to the cable skin is further reduced.
An adjustable strain clamp adjusting method, which utilizes an adjustable strain clamp, comprises the following steps:
s1, placing the cable in the arc-shaped wire groove 111, and ensuring that the cable can be fully contacted with the arc-shaped wire groove 111 by arranging the arc-shaped wire groove 111 into an arc shape.
S2, an installation block 210 is arranged between the locking buckle 140 and the cable, and the installation block 210 prevents the locking buckle 140 from directly contacting the cable, so that the probability of deformation of the cable skin in the axial direction is reduced.
S3, when the cushion block 220 on the installation block 210 is contacted with a cable, changing the opening size of the deformation groove 221 on the cushion block 220, setting the cushion block 220 on the installation block 210, and setting the deformation groove 221 on the cushion block 220, when the locking buckle 140 is screwed up, extruding the surface of the cable by the cushion block 220, at this time, increasing the extrusion force of the cable surface at different positions of the cushion block 220 by reducing the opening of the deformation groove 221, and after the cushion block 220 is deformed, making the area of the bulge of the traction cable surface approach to the center of the cushion block 220 by the cushion block 220, thereby reducing the deformation degree of the cable surface.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.