CN112103839B - Convenient support hanging ring for live working of power transmission line - Google Patents
Convenient support hanging ring for live working of power transmission line Download PDFInfo
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- CN112103839B CN112103839B CN202010935996.0A CN202010935996A CN112103839B CN 112103839 B CN112103839 B CN 112103839B CN 202010935996 A CN202010935996 A CN 202010935996A CN 112103839 B CN112103839 B CN 112103839B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a portable bracket hanging ring for live working of a power transmission line, which comprises a clamp unit, a clamping hook and a connecting and mounting hole, wherein the clamping hook is positioned at one end of the clamping board; the hanging ring unit comprises an adjusting rod and a limiting plate, the adjusting rod is positioned in the through hole, the limiting plate is connected to one end of the adjusting rod, the other end of the adjusting rod is connected with a hanging ring, and the hanging ring is an annular metal ring; the invention can be used for live working of the transmission line and also can be used for power failure maintenance work of the same item, the whole process of live insulator replacement transfers the work which is originally completed by the power of the operating personnel on the tower to a novel bracket hanging ring, and only 15 minutes are needed for live replacement of a string of 110-220 kV transmission line tension insulators, thereby greatly reducing the working time, reducing the safety risk of the personnel and also lightening the labor intensity of the operating personnel.
Description
Technical Field
The invention relates to the field of electric power safety, in particular to a portable support hanging ring for live working of a power transmission line.
Background
The insulator is one of the important components of the power transmission line, the insulator is connected with a pole tower cross arm and a wire, the wire and the cross arm are kept at a safe distance constantly, when the insulator of the overhead power transmission line is struck by lightning, has zero value, generates cracks, is seriously polluted, runs out of term and the like, the defective insulator needs to be replaced, live working is undoubtedly the best mode, the power failure of the line is not needed, and the power supply reliability of the system is not influenced. In the past, when the double-string insulators of the overhead transmission line are replaced in an electrified way, two ends of a tool bottle supporting frame for replacing the insulators in an electrified way are usually fixed on a front large knife clamp and a rear large knife clamp, a screw rod is tightened to loosen an insulator string, after an equipotential operator removes the insulator string on the lead side, the operator on a tower manually transfers a new insulator and an old insulator between the ground and the tower through an insulating rope, and when the new insulator is installed, the operator can only manually improve the whole string of insulators and then place the insulator on the bottle supporting frame. Because the high-altitude live-line work is carried out, each link is very labor-consuming and time-consuming, each step of operation needs to be very strict, the requirements on the process are high, and accidents can occur due to slight sudden loss, so that the life safety and the safe and stable operation of a power grid are seriously influenced.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that the existing large knife card is very labor-consuming and time-consuming in each link during operation, each step of operation needs to be very strict, the requirements on the process are high, and accidents can occur due to slight sudden loss of light, so that the life safety and the safe and stable operation of a power grid are seriously influenced.
In order to solve the technical problems, the invention provides the following technical scheme: a portable bracket hanging ring for live working of a power transmission line comprises a clamping apparatus unit, a clamping hook and a connecting and mounting hole, wherein the clamping apparatus unit comprises a clamping plate, a clamping hook and a connecting and mounting hole, the clamping hook is positioned at one end of the clamping plate, the connecting and mounting hole is positioned at the other end of the clamping plate, and a through hole is formed in the clamping plate; the hanging ring unit comprises an adjusting rod and a limiting plate, the adjusting rod is located in the through hole, the limiting plate is connected to one end of the adjusting rod, the other end of the adjusting rod is connected with a hanging ring, and the hanging ring is an annular metal ring.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the adjusting rod circumference surface is provided with the external screw thread, the link unit still includes rotates the piece, it is provided with the screw hole to rotate the piece, the screw hole with external screw thread connection.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the clamping plate is provided with a positioning groove coaxial with the through hole, the rotating part is divided into a rotating disc positioned in the positioning groove and a prism positioned outside the positioning groove, the prism is a prism with n edges, and n is more than or equal to 3 and is an integer.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the link unit still includes the locating part, the locating part cover is established rotate a periphery, the one end of locating part with rolling disc end face contact, the other end is fixed on the constant head tank.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the rotating disc is provided with a ratchet along the circumference, the cardboard is gone up to follow the through-hole radially is provided with the spout, the spout is distinguished to be close to the first spout of through-hole and is kept away from the second spout of through-hole, the diameter of second spout is greater than the diameter of first spout, be provided with the slide bar in the spout, the slide bar is including being located inserted bar in the first spout and being located extension rod in the second spout, the inserted bar with the junction of extension rod is provided with spacing boss, spacing boss with be connected with first spring between the one end that first spout was kept away from to the second spout.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the second spout is along radially being provided with according to the indent, be provided with the spacing groove that runs through on the extension rod, it is provided with the depression bar to press the inslot, depression bar one end with be connected with the second spring between the indent bottom, the depression bar other end stretches out according to the indent, be provided with the sloping block on the depression bar.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the sloping block includes first inclined plane, rectangular channel and triangular groove are distinguished to the spacing groove, the triangular groove includes the second inclined plane, first inclined plane with the second inclined plane is parallel, the rectangular channel is followed the radial length of extension rod is greater than the width of depression bar.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the adjusting rod is connected with the limiting plate, a stud is arranged at one end of the adjusting rod, which is connected with the limiting plate, the limiting plate is provided with a threaded connection hole, and the stud is connected with the threaded connection hole.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the limiting plate is provided with a guide rod along the axial direction of the stud, the clamping plate is provided with a guide hole at the position coaxial with the guide rod, and one end of the guide rod is inserted into the guide hole.
As a preferred scheme of the portable bracket hanging ring for live working of the power transmission line, the invention comprises the following steps: the clamping plate is made of 304 stainless steel materials.
The invention has the beneficial effects that: the invention can be used for live working of the transmission line and also can be used for power failure maintenance work of the same item, the whole process of live insulator replacement transfers the work which is originally completed by the power of the operating personnel on the tower to a novel bracket hanging ring, and only 15 minutes are needed for live replacement of a string of 110-220 kV transmission line tension insulators, thereby greatly reducing the working time, reducing the safety risk of the personnel and also lightening the labor intensity of the operating personnel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic structural diagram of a portable bracket suspension loop for live working of a power transmission line according to an embodiment of the present invention;
fig. 2 is a schematic view of a partially enlarged structure of a portable bracket suspension loop for live working of a power transmission line according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a rotating member in a portable support link for live working of a power transmission line according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of a portable bracket suspension loop for live working of a power transmission line according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure view of a link unit in a portable support link for live working of a power transmission line according to an embodiment of the present invention;
fig. 6 is a schematic structural view illustrating fixing of a suspension loop unit in a portable bracket suspension loop for live working of a power transmission line according to an embodiment of the present invention;
fig. 7 is a schematic structural view of adjustment of a suspension loop unit in a portable bracket suspension loop for live working of a power transmission line according to an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, the embodiment provides a portable support link for live working of a power transmission line, which is intended for live working of the power transmission line and also for power failure maintenance work of the same type, the whole process of live insulator replacement transfers all work originally completed by the power of an operator on a tower to a novel support link, a string of 110-220 kV tension insulator of the power transmission line is replaced in a live manner for only 15 minutes, thereby greatly reducing the working time, reducing the safety risk of the operator, and also reducing the labor intensity of the operator, and the portable support link comprises a fixture unit 100 and a link unit 200, wherein the fixture unit 100 comprises a clamping plate 101, a clamping hook 102 positioned at one end of the clamping plate 101, and a connecting and mounting hole 103 positioned at the other end of the clamping plate 101, and the clamping plate 101 is provided with a through hole 101 a; the clamping plate 101 is a large tool holder, a fixed pulley on the large tool holder for replacing the insulator string in an electrified way on the original power transmission line is removed, the clamping plate unit 100 and the hanging ring unit 200 are installed, and the clamping plate 101 is also used for fixing a bottle support used in the process of replacing the insulator.
Further, link unit 200, including being located the regulation pole 201 of through-hole 101a to and connecting at the limiting plate 202 of adjusting pole 201 one end, adjust the pole 201 other end and be connected with link K, link K is the annular metal ring, and link K is used for articulating insulating rope. Wherein the clamping plate 101 is made of 304 stainless steel.
It should be noted that, on the basis of the prior art, the fixed pulley on the large tool holder for replacing the insulator string in an electrified way on the original power transmission line is removed, and a newly developed bracket hanging ring is installed at the position, that is, the hanging ring unit 200 is installed in the tool holder unit 100, and the distance from the clamping plate 101 can be adjusted by the hanging ring K of the hanging ring unit 200 according to the requirement, so that the position of the hanging point of the insulation rope pulley is improved, and the purpose of saving labor is achieved.
During operation, only one end of the insulator supporting rack which is changed in an electrified way of the power transmission line is fixed on a large knife clip on the cross arm side of the tower, the other side of the insulator supporting rack is tied by the insulating rope hung on the clamping plate 101 and the hanging ring K to lift the insulator, the position of the insulating rope on the clamping plate 101 needs to be adjusted according to different insulator sizes, and then the height of the insulating rope is determined by adjusting the position of the hanging ring K. Operating personnel and ground auxiliary operation personnel cooperation utilize the insulating rope to put old insulator to ground on the shaft tower, the same ground auxiliary operation personnel utilize the insulating rope to hang new insulator to the shaft tower cross arm, operating personnel only need to install the insulator after inserting the spring catch on the shaft tower just can, ground auxiliary operation personnel pull up hang the insulating rope on link K be connected with cardboard 101, make support insulator rack and support insulator on the insulator rack become the horizontality by the vertical state, new insulator chain is adorned rapidly to the equipotential operating personnel, whole process will all be originally by the work that operating personnel had done by strength on the shaft tower, shift to on neotype support link, change a string 110-220 kV strain insulator with electricity only needs 15 minutes, the operation is saved time, and is labor-saving, safety and reliability.
Example 2
Referring to fig. 1 to 7, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: when the distance between link K and cardboard 101 is confirmed, because link K is used for hanging insulating rope, and insulating rope connects the insulator that waits to be changed, consequently the offset can take place for link K under the effect of gravity, then in this embodiment, in case link K's position is confirmed, will fix link K, prevent the skew.
Specifically, the circumferential surface of the adjusting rod 201 is provided with an external thread 201a, the suspension loop unit 200 further comprises a rotating member 203, the rotating member 203 is provided with a threaded hole 203a, the threaded hole 203a is connected with the external thread 201a, that is, the rotating member 203 is in threaded connection with the adjusting rod 201 to form a screw rod function, wherein the adjusting rod 201 can only move along the axial direction of the through hole 101a but cannot rotate, the rotating member 203 can only rotate but cannot move along the axial direction of the through hole 101a, and then when the rotating member 203 rotates, the adjusting rod 201 can move along the axial direction according to the matching relationship.
Furthermore, the clamping plate 101 is provided with a positioning groove 101b coaxial with the through hole 101a, the diameter of the positioning groove 101b is larger than that of the through hole 101a, and the rotating member 203 is divided into a rotating disc 203b located in the positioning groove 101b and a prism 203c located outside the positioning groove 101b, so that the positioning groove 101b has a function of accommodating the rotating disc 203b, preferably, the prism 203c is an n-edge prism, wherein n is greater than or equal to 3 and is an integer, so that the rotating member 203 can be conveniently operated by a tool to rotate.
Further, in order to limit the axial offset of the rotating member 203, the suspension loop unit 200 further includes a limiting member 204, the limiting member 204 is a rotating member having a through hole inside, the limiting member 204 is sleeved on the outer periphery of the rotating member 203 and does not affect the rotation of the rotating member 203, and a bearing may be disposed between the limiting member 204 and the rotating member 203; one end of the stopper 204 is in contact with the end surface of the rotating disk 203b to restrict the axial displacement of the rotating disk 203b, and the other end is fixed to the positioning groove 101 b.
Preferably, the rotating disc 203b is provided with ratchet teeth 203d along the circumference, each ratchet tooth 203d comprises a first surface extending along the radial direction of the rotating disc 203b and a second surface forming an acute angle with the first surface, the catch plate 101 is provided with a sliding chute 101c along the radial direction of the through hole 101a, the sliding chute 101c is divided into a first sliding chute 101c-1 close to the through hole 101a and a second sliding chute 101c-2 far away from the through hole 101a, the diameter of the second sliding chute 101c-2 is larger than that of the first sliding chute 101c-1, a sliding rod 205 is arranged in the sliding chute 101c, and the sliding chute 101c mainly serves to accommodate the sliding rod 205 and limit the deviation of the sliding chute 101 c.
The sliding rod 205 comprises an inserting rod 205a located in the first sliding groove 101c-1 and an extending rod 205b located in the second sliding groove 101c-2, a limiting boss 205c is arranged at the joint of the inserting rod 205a and the extending rod 205b, the diameter of the limiting boss 205c is larger than that of the extending rod 205b, and the limiting boss 205c is in clearance fit with the second sliding groove 101c-2, so that the limiting boss 205c can axially slide in the second sliding groove 101c-2, one end of the inserting rod 205a can be embedded into a tooth groove formed by the ratchet 203d, and when one end of the inserting rod 205a is inserted into the tooth groove, the rotation of the rotating disc 203b can be limited, and further the rotation of the rotating piece 203 can be limited.
Further, a first spring 206 is connected between the limit boss 205c and one end of the second sliding slot 101c-2 far from the first sliding slot 101c-1, the first spring 206 is a pressure spring, and the pressure of the first spring 206 on the limit boss 205c enables the insertion rod 205a to be embedded into a tooth slot formed by the ratchet 203d under the condition that the first spring is not pressurized, so that when the rotating disc 203b rotates along the direction of the ratchet 203d, the second surface of the rotating disc is in contact with the end of the insertion rod 205a and presses the insertion rod 205a, and when the rotating disc 203b rotates along the direction opposite to the ratchet 203d, the end of the insertion rod 205a prevents the rotating disc 203b from rotating and reversing, it should be noted that when the rotating disc 203b can rotate, the adjusting rod 201 moves along the axial direction close to the connecting installation hole 103.
Further, when the height of the suspension link K is adjusted, the sliding rod 205 should be released to allow the rotation member 203 to be reversed. Specifically, the second sliding groove 101c-2 is provided with a pressing groove 101d along the radial direction, an opening of the pressing groove 101d is located on the surface of the clamping plate 101, the extending rod 205b is provided with a through limiting groove 205d, the pressing groove 101d is provided with a pressing rod 207, a second spring 208 is connected between one end of the pressing rod 207 and the bottom of the pressing groove 101d, the second spring 208 is a pressure spring, the other end of the pressing rod 207 extends out of the pressing groove 101d, the pressing rod 207 is provided with an inclined block 207a, the cross section of the inclined block 207a is preferably a right triangle, one right-angled surface of the inclined block is overlapped with the surface of the pressing rod 207, the other right-angled surface is close to the opening of the pressing groove 101d, the inclined block 207a comprises a first inclined surface 207b, the limiting groove 205d is divided into a rectangular groove 205d-1 and a triangular groove 205d-2, the rectangular groove 205d-1 and the triangular groove 205d-2 form a right trapezoid, the triangular groove 205d-2 comprises a second inclined surface 205e, the first inclined surface 207b is parallel to the second inclined surface 205e, and the length of the rectangular groove 205d-1 in the radial direction of the extension rod 205b is greater than the width of the pressing rod 207, so that when the sliding rod 205 is shifted away from the center of the through hole 101a, the pressing rod 207 is not affected by the movement of the rectangular groove 205d-1, because the length of the rectangular groove 205d-1 in the radial direction of the extension rod 205b is greater than the width of the pressing rod 207, and the excessive width can prevent the pressing rod 207 from limiting the movement of the sliding rod 205.
Preferably, a stud 201b is arranged at one end of the adjusting rod 201 connected with the limiting plate 202, the limiting plate 202 is provided with a threaded connection hole 202a, and the stud 201b is connected with the threaded connection hole 202 a. The limiting plate 202 is provided with a guide rod 209 along the axial direction of the stud 201b, the guide rod 209 limits the tendency of the limiting plate 202 to rotate and plays a role of guiding the limiting plate 202 to move along the direction of the guide rod 20, correspondingly, the card board 101 is provided with a guide hole 101e at the position coaxial with the guide rod 209, and one end of the guide rod 209 is inserted into the guide hole 101 e.
The implementation mode and principle of the embodiment are as follows: when the insulator is disassembled, because the sizes of the flanges are different, the height of the insulating rope needs to be adjusted, that is, the height of the hanging ring K is adjusted, firstly, the hanging ring K is adjusted to a position close to the clamping plate 101, the rotating member 203 is rotated to enable the adjusting rod 201 matched with the rotating member to move along the axial direction, in the process of rotating the rotating member, the inserted link 205a can move in the sliding groove 101c along the second surface of the ratchet 203d, and the inserted link 205a plays a role in preventing the rotating member from reversing until the hanging ring K is adjusted to a proper height and stops, it should be noted that when the inserted link 205a deviates to a direction far away from the center of the through hole 101a in the sliding groove 101c, the reserved space of the rectangular groove 205d-1 can accommodate the pressing rod 207; when the hanging ring K needs to be adjusted to a position far away from the clamping plate 101, the pressing rod 207 is pressed to enable the pressing rod 207 to overcome the elastic force of the second spring 208 and move along the radial direction of the extension rod 205b, meanwhile, the inclined block 207a is in the limiting groove 205d, the first inclined surface 207b is in contact with the second inclined surface 205e and pushes the second inclined surface to move, the pressure on the second inclined surface 205e enables the sliding rod 205 to move, the inserting rod 205a is separated from the ratchet 203d and loses the limiting effect on the rotating disc 203b, the rotating piece 203 can be rotated at the moment, and the position of the hanging ring K is lifted. When the position of the hanging ring K is adjusted, one end of the insulator supporting frame for replacing the insulator in a live-line manner of the transmission line is fixed on a large knife clip at the side of a cross arm of a tower, the other side of the insulator supporting frame is tied by using an insulating rope hung on the clamping plate 101 and the hanging ring K to carry out insulator lifting, an operator on the tower and a ground assistant operator cooperate to use the insulating rope to put an old insulator on the ground, the ground assistant operator uses the insulating rope to lift a new insulator on the cross arm of the tower, the operator on the tower only needs to insert a spring pin after the insulator is installed, the ground assistant operator pulls the insulating rope hung on the hanging ring K connected with the clamping plate 101, the insulators on the insulator supporting frame and the insulator supporting frame are changed into a horizontal state from a vertical state, the equipotential operator quickly loads a new insulator string, and the whole process is completely completed by the power of the operator on the tower, the method is transferred to a novel bracket hanging ring, only 15 minutes are needed for replacing a string of 110-220 kV power transmission line tension insulators in an electrified manner, and the operation is time-saving, labor-saving, safe and reliable.
The bracket hanging ring can adapt to the dismounting work of insulators with different sizes, and the position of the hanging ring K is constant and cannot deviate during operation.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a transmission line live working portable support link which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the clamp unit (100) comprises a clamp plate (101), a clamping hook (102) positioned at one end of the clamp plate (101) and a connecting and mounting hole (103) positioned at the other end of the clamp plate (101), wherein a through hole (101 a) penetrates through the clamp plate (101);
the hanging ring unit (200) comprises an adjusting rod (201) positioned in the through hole (101 a) and a limiting plate (202) connected to one end of the adjusting rod (201), the other end of the adjusting rod (201) is connected with a hanging ring (K), and the hanging ring (K) is an annular metal ring;
the circumferential surface of the adjusting rod (201) is provided with an external thread (201 a), the suspension loop unit (200) further comprises a rotating piece (203), the rotating piece (203) is provided with a threaded hole (203 a), and the threaded hole (203 a) is connected with the external thread (201 a);
the clamping plate (101) is provided with a positioning groove (101 b) coaxial with the through hole (101 a), the rotating piece (203) is divided into a rotating disc (203 b) positioned in the positioning groove (101 b) and a prism (203 c) positioned outside the positioning groove (101 b), the prism (203 c) is an n-edge prism, wherein n is more than or equal to 3 and is an integer;
the suspension loop unit (200) further comprises a limiting piece (204), the limiting piece (204) is sleeved on the periphery of the rotating piece (203), one end of the limiting piece (204) is in contact with the end face of the rotating disc (203 b), and the other end of the limiting piece (204) is fixed on the positioning groove (101 b);
the rotating disc (203 b) is circumferentially provided with ratchet teeth (203 d), the clamping plate (101) is provided with a sliding groove (101 c) along the radial direction of the through hole (101 a), the sliding groove (101 c) is divided into a first sliding groove (101 c-1) close to the through hole (101 a) and a second sliding groove (101 c-2) far away from the through hole (101 a), the diameter of the second sliding groove (101 c-2) is larger than that of the first sliding groove (101 c-1), a sliding rod (205) is arranged in the sliding groove (101 c), the sliding rod (205) comprises an inserted link (205 a) positioned in the first sliding groove (101 c-1) and an extension link (205 b) positioned in the second sliding groove (101 c-2), and a limit boss (205 c) is arranged at the joint of the inserted link (205 a) and the extension link (205 b), a first spring (206) is connected between the limiting boss (205 c) and one end, far away from the first sliding groove (101 c-1), of the second sliding groove (101 c-2).
2. The portable support link of transmission line live working of claim 1, characterized in that: the second sliding groove (101 c-2) is provided with a pressing groove (101 d) along the radial direction, a penetrating limiting groove (205 d) is formed in the extension rod (205 b), a pressing rod (207) is arranged in the pressing groove (101 d), a second spring (208) is connected between one end of the pressing rod (207) and the bottom of the pressing groove (101 d), the other end of the pressing rod (207) extends out of the pressing groove (101 d), and an inclined block (207 a) is arranged on the pressing rod (207).
3. The portable support link of transmission line live working of claim 2, characterized in that: the sloping block (207 a) includes first inclined plane (207 b), rectangular channel (205 d-1) and triangular groove (205 d-2) are distinguished into to spacing groove (205 d), triangular groove (205 d-2) include second inclined plane (205 e), first inclined plane (207 b) with second inclined plane (205 e) are parallel, rectangular channel (205 d-1) are followed the radial length of extension rod (205 b) is greater than the width of depression bar (207).
4. The portable support link of transmission line live working of claim 3, characterized in that: one end of the adjusting rod (201) connected with the limiting plate (202) is provided with a stud (201 b), the limiting plate (202) is provided with a threaded connection hole (202 a), and the stud (201 b) is connected with the threaded connection hole (202 a).
5. The portable support link of transmission line live working of claim 4, characterized in that: the limiting plate (202) is provided with a guide rod (209) along the axial direction of the stud (201 b), a guide hole (101 e) is formed in the position, coaxial with the guide rod (209), of the clamping plate (101), and one end of the guide rod (209) is inserted into the guide hole (101 e).
6. The portable support link of transmission line live working of claim 5, characterized in that: the clamping plate (101) is made of 304 stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935996.0A CN112103839B (en) | 2020-09-08 | 2020-09-08 | Convenient support hanging ring for live working of power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935996.0A CN112103839B (en) | 2020-09-08 | 2020-09-08 | Convenient support hanging ring for live working of power transmission line |
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| Publication Number | Publication Date |
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| CN112103839A CN112103839A (en) | 2020-12-18 |
| CN112103839B true CN112103839B (en) | 2021-08-24 |
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| CN202010935996.0A Active CN112103839B (en) | 2020-09-08 | 2020-09-08 | Convenient support hanging ring for live working of power transmission line |
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