CN111541197A - Protective fixing structure for power cable - Google Patents
Protective fixing structure for power cable Download PDFInfo
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- CN111541197A CN111541197A CN202010399645.2A CN202010399645A CN111541197A CN 111541197 A CN111541197 A CN 111541197A CN 202010399645 A CN202010399645 A CN 202010399645A CN 111541197 A CN111541197 A CN 111541197A
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- groove
- fixed
- support
- buckle
- buckling
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a protective fixing structure for a power cable, which relates to the field of cable construction and aims to solve the problem that the conventional cable fixing device is easy to cause torsion damage to the cable; prevent that fixing device turns round still includes pressure head, buffer block and buffer spring, is provided with the dashpot on the fixed inside wall that detains support and activity buckle closure, and the buffer block slides along the circumference in lock chamber and sets up in the dashpot, and buffer spring sets up at the buffer block along the circumference in lock chamber between end wall and the dashpot cell wall, and the pressure head setting still is provided with balanced subassembly on fixed knot support and the activity buckle closure in the one end that the lock chamber was stretched into at the buffer block. The cable fixing device can stably fix the cable and reduce the torsion damage to the cable.
Description
Technical Field
The invention relates to the technical field of cable construction, in particular to a protective fixing structure for a power cable.
Background
The cable is also called a cable, is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, is a common and indispensable tool in daily life, and the end wall of the cable usually needs to be fixed in the construction and erection process of the cable.
The current application number is CN 201920345735.6's chinese patent, a cable fixation clamp for electrical engineering is disclosed, including the mounting panel, first cable fixed plate, the second cable fixed plate, first screw hole has been seted up to mounting panel right side both ends symmetry, be provided with the backup pad between the first screw hole, backup pad and mounting panel fixed connection, backup pad right side fixedly connected with connecting plate, first cable fixed plate and second cable fixed plate set up in the connecting plate right side, first cable fixed plate left side is provided with first planking, first planking sets up in the connecting plate top, the equipment is connected through connecting first cable fixed plate and second cable fixed plate to the above-mentioned patent, make the cable fixation clamp can be applicable to the cable of different quantity.
However, after the end of the cable is fixed, the cable is subjected to a certain twisting force around the fixed point due to the influence of wind force and gravity during the erection and use, and the cable is twisted and damaged after a long time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a protective fixing structure for a power cable, which can stably fix the cable and reduce the torsion damage to the cable.
The above object of the present invention is achieved by the following technical solutions:
a protective fixing structure for a power cable comprises a support, a fixed buckle support arranged on the side wall of the support and a movable buckle cover rotatably arranged on the end wall of the fixed buckle support, wherein a buckling piece is arranged between the end walls of the fixed buckle support and the movable buckle cover, which are far away from a rotating point; after the fixed buckling support and the movable buckling cover are buckled, the fixed buckling support and the movable buckling cover form a buckling cavity, and two ends of the buckling cavity in the length direction are arranged in a penetrating manner; prevent that fixing device turns round still includes pressure head, buffer block and buffer spring, be provided with the buffer slot on the fixed inside wall of detaining support and activity buckle closure, the buffer slot has three and follows the length direction align to grid in lock chamber at least along the circumference in lock chamber, the buffer block slides along the circumference in lock chamber and sets up in the buffer slot, buffer spring sets up at the buffer block between the circumference end wall in lock chamber and the buffer slot cell wall, the pressure head sets up the one end that stretches into the lock chamber at the buffer block, the one end and the cable perisporium butt of buffer block are kept away from to the pressure head, still be provided with on fixed knot support and the activity buckle closure and be used for the buffering along the balanced subassembly of cable length direction stress point interdynamic force.
By adopting the technical scheme, after the fixed buckle support and the movable buckle cover are buckled, the cable is limited in the buckling cavity, and meanwhile, the pressure head is tightly propped against the peripheral wall of the cable, so that the cable is fixed; after the cable is fixed in the buckling cavity, in the using process of the cable, the buffer block can slide in the buffer groove, and meanwhile, the buffer spring generates elastic deformation, so that the circumferential acting force on the same circumferential position of the cable is counteracted and buffered, and the local stress of the circumferential wall of the cable is reduced; meanwhile, the balance assembly can reduce the acting force between different circumferential positions of the cable and counteract the opposite acting force between the side walls of the different circumferential positions of the cable, so that the torsional force between the different circumferential positions of the cable can be reduced, and the torsional damage to the cable can be reduced while the cable can be stably fixed.
The invention is further provided that the balance assembly is arranged in one-to-one correspondence with two pressure heads adjacent along the length direction of the buckling cavity, the balance assembly comprises reversing rods and telescopic sleeves, balance cavity grooves communicated with the buffer grooves are arranged in the fixed buckling support and the movable buckling cover, the balance cavity grooves extend along the length direction of the buckling cavity, the two reversing rods form a pair, at least one pair of reversing rods are rotatably arranged in the balance cavity grooves between the adjacent pressure heads, the reversing rods are arranged along the length direction of the buckling cavity, the telescopic sleeves are arranged at two ends of the reversing rods in a sliding manner along the length direction of the reversing rods, one ends of the adjacent telescopic sleeves, far away from the reversing rods, are hinged, and the telescopic sleeves at two ends of the reversing rods in the arrangement direction are hinged with one ends of the buffer blocks, extending into the balance cavity grooves.
By adopting the technical scheme, when the pressure head at one circumferential position of the cable generates circumferential acting force on the cable, the buffer block can be prompted to slide in the buffer groove, so that the telescopic sleeve connected with the buffer block rotates to cause the reverse movement of the other end of the reversing rod, and so on, after the reversing of the paired reversing rods, two adjacent buffer blocks can slide in the same direction, so that the torsional force between the cables at the adjacent pressure heads can be effectively reduced; and the reversing rod is connected with the telescopic sleeve in a sliding manner, so that a displacement space can be provided for the reversing rod in the rotating process of the reversing rod.
The invention is further arranged that the buckling piece comprises a buckling head, a clamping head, a releasing spring and a releasing block, the buckling head is arranged at one end of the movable buckling cover far away from the rotating end, the fixed buckling support is provided with a buckling groove at one end far away from the rotating end, the buckling head is spliced with the buckling groove, the buckling groove is concavely provided with a releasing groove along the groove wall at one end in the length direction of the buckling cavity, the clamping head is arranged in the releasing groove in a sliding manner along the length direction of the buckling cavity, the side wall of the buckling head opposite to the clamping head is provided with a clamping groove, the releasing spring is arranged between the end wall of the clamping head far away from the clamping groove and the groove wall of the releasing groove, one end of the releasing groove close to the clamping groove is provided with a limiting sliding groove, the limiting sliding groove penetrates through the outer side wall of the fixed buckling support along the length direction of the buckling cavity, the releasing, a release through groove extending along the length direction of the buckling cavity is arranged on the side wall of the release block in a penetrating manner; when the release through groove is far away from the release groove, the clamping head is abutted against one end, far away from the clamping groove, of the release block, and the release spring is in a compressed state; when the release through groove is opposite to the release groove, the clamping head penetrates through the release through groove and then is connected with the clamping groove in an inserting mode.
Through adopting above-mentioned technical scheme, before fixed knot held in the palm and the lock of activity buckle closure, the dop is kept away from the position butt of release logical groove with the release piece, the dop is restricted in the release groove, thereby when fixed knot held in the palm and the lock of activity buckle closure, the discount is pegged graft smoothly with the catching groove, then remove the release piece, it is relative to make release logical groove and release groove, under the elastic force of release spring, the dop is pushed away the release groove of department, thereby the dop is pegged graft with the draw-in groove, with the discount spacing in the catching groove, thereby can realize the stable lock of fixed knot support and activity buckle closure.
The invention is further provided with a shaft lever fixedly arranged between the opposite cavity walls of the balance cavity groove, the shaft lever is perpendicular to the sliding direction of the buffer block, the shaft lever is perpendicular to the arrangement direction of the reversing rods, the rod wall of each reversing rod is provided with a yielding through groove in a penetrating manner, the shaft lever is arranged in the yielding through groove in a penetrating manner, and the shaft lever and the yielding through groove slide along the axial direction of the shaft lever and rotate along the circumferential direction of the shaft lever.
By adopting the technical scheme, the shaft lever penetrates through the abdicating through groove, so that the basic rotation function of the reversing lever can be met; meanwhile, the reversing rod can also slide on the shaft lever through the yielding through groove, so that a certain displacement space perpendicular to the direction of the reversing rod is provided for the reversing rod while the reversing rod rotates, and the stress action on the reversing rod is reduced.
The invention is further provided that the fixed buckle support and the movable buckle cover are respectively provided with an arc-shaped groove along the end wall of the buckling cavity in the length direction; when the fixed buckle support and the movable buckle cover are buckled, the arc-shaped groove forms a fixed ring groove, a receiving ring is connected with the inner thread of the fixed ring groove, and one end, away from the fixed ring groove, of the receiving ring is abutted against the peripheral wall of the cable.
By adopting the technical scheme, after the fixed buckle support and the movable buckle cover are buckled, the tightening ring is in threaded connection with the fixed ring groove, the fixed buckle support and the movable buckle cover can be further fixed, and the two ends of the buckling cavity can be sealed, so that the permeation of water into the buckling cavity is reduced, and the water corrosion of the anti-torsion fixing device is reduced.
The invention is further provided that one end of the buffer block extending out of the buffer groove is provided with a connecting screw groove, one end of the pressure head close to the buffer block is provided with a connecting screw block, and the connecting screw groove is in threaded connection with the connecting screw block.
Through taking above-mentioned technical scheme, realize dismantling of buffer block and briquetting and be connected to can change suitable pressure head according to the difference of cable model and texture, improve the practical scope of preventing turning round fixing device.
The invention is further provided that the pressure head comprises a connecting hard head connected with the buffer block and a plurality of elastic sucker nozzles arranged at one end of the connecting hard head far away from the buffer block.
Through taking above-mentioned technical scheme, elasticity sucking disc mouth and cable butt reduce the pressure effect to the cable to when reducing the wearing and tearing to the cable surface, elasticity sucking disc mouth can utilize the pressure difference to adsorb on the cable perisporium, improves the joint strength between pressure head and the cable.
The invention is further provided with a feeding groove arranged on the peripheral wall of one side of the limiting sliding groove far away from the buckling cavity, a feeding push block is connected to the wall of the feeding groove in a threaded manner, and one end of the releasing block far away from the buckling cavity is rotatably connected with the feeding push block.
Through adopting above-mentioned technical scheme, the screw thread rotation that utilizes between feeding ejector pad and the feed groove promotes the release piece and removes, when realizing the release piece removal, can not wear to establish when the release is led to the groove at the dop, carries out the auto-lock location to the release piece to make dop and release piece stable butt.
The invention is further arranged in that a mounting plate is arranged on the side wall of the support at one side outside the fixed buckle support, the mounting plate is arranged at two sides of the buckling cavity in the width direction, an elastic cover sheet is arranged on the mounting plate, one end of the elastic cover sheet, which is far away from the mounting plate, is provided with a connecting plate, and a connecting groove is arranged on the side wall of the support at the other side outside the fixed buckle support; after the fixed buckle support and the movable buckle cover are buckled, the connecting block is clamped with the connecting groove, and the elastic cover sheet is arranged on the outer peripheral walls of the fixed buckle support and the movable buckle cover in an attaching mode; and the support is provided with a fixing piece for fixing the connecting block.
By adopting the technical scheme, the elastic cover sheet is wrapped on the outer sides of the fixed buckle support and the movable buckle cover, so that the fixed buckle support and the movable buckle cover can be isolated from rainwater, and water corrosion and other damages to the fixed buckle support and the movable buckle cover can be reduced.
The fixing piece further comprises a fixing push groove arranged on the groove wall of one end, far away from the fixing buckle support, of the connecting groove, the fixing push groove penetrates through the support in the direction far away from the fixing buckle support, the fixing piece further comprises a fixing push rod connected in the fixing push groove in a threaded mode and a fixing inserting groove arranged on the side wall, facing the fixing push groove, of the connecting plate in a concave mode, and one end, extending into the connecting groove, of the fixing push rod is connected with the fixing inserting groove in an inserting mode.
Through taking above-mentioned technical scheme, back in the connecting block inserts the spread groove, rotates fixed push rod, can make fixed push rod take place to feed in fixed push groove for fixed push rod pegs graft with fixed slot, fixes the connecting block in the spread groove.
In conclusion, the beneficial technical effects of the invention are as follows:
1. after the fixed buckle support and the movable buckle cover are buckled to form the buckle cavity, the pressure head is abutted against the cable, so that the cable is fixed; meanwhile, the torsional force borne by the cable can be effectively reduced and the torsional damage of the cable can be reduced by utilizing the sliding of the buffer block in the buffer groove and the balance action of the balance component;
2. in the balance assembly, two adjacent buffer blocks can slide in the same direction by utilizing the reversing action of the reversing rod, so that the torsional force between cables at adjacent pressure heads can be effectively reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of a structure embodying the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a partial cross-sectional view of a balancing assembly structure embodying the present invention.
FIG. 5 is a partial cross-sectional view of a fastener construction embodying the present invention.
FIG. 6 is a cross-sectional view of a fastener construction embodying the present invention.
Fig. 7 is an enlarged view at B in fig. 4.
Reference numerals: 1. a support; 2. fixing the buckle support; 21. an arc-shaped slot; 22. a fixed ring groove; 23. ring collection; 3. a movable buckle cover; 31. a buckling cavity; 4. a fastener; 41. buckling a head; 42. clamping a head; 421. releasing the through groove; 43. releasing the spring; 44. releasing the block; 441. a feed slot; 442. feeding a push block; 45. buckling grooves; 46. a relief groove; 47. a card slot; 48. a limiting chute; 5. a pressure head; 51. connecting a hard head; 52. an elastic suction cup mouth; 6. a buffer block; 61. a buffer tank; 62. a screw connecting groove; 63. connecting the screw block; 7. a buffer spring; 8. a balancing component; 81. a reversing lever; 811. a shaft lever; 812. a yielding through groove; 82. a telescopic sleeve; 83. a balance cavity groove; 9. mounting a plate; 91. an elastic cover sheet; 92. a connecting plate; 93. connecting grooves; 94. a fixing member; 941. fixing the push groove; 942. fixing the push rod; 943. and fixing the slot.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the invention discloses a protective fixing structure for a power cable, which comprises a support 1, a fixed buckle support 2 and a movable buckle cover 3, wherein the fixed buckle support 2 and the movable buckle cover 3 are both semi-ring cylindrical structures and have equal radiuses in the embodiment, the peripheral wall of the outer side of the fixed buckle support 2 is fixedly connected to the upper surface of the support 1, one circumferential end of the movable buckle cover 3 is rotatably connected to one circumferential end of the fixed buckle support 2, a buckling piece 4 is arranged between the end walls, far away from a rotating point, of the fixed buckle support 2 and the movable buckle cover 3, the buckling piece 4 is used for buckling the fixed buckle support 2 and the movable buckle cover 3 together to form a buckling cavity 31, two ends in the length direction forming the buckling cavity 31 are arranged in a penetrating mode, and a cable installation part is arranged in the buckling cavity 31 in a penetrating mode.
As shown in fig. 1 and 2, for the present invention, the anti-twisting fixture further comprises a pressing head 5, a buffer block 6 and a buffer spring 7, wherein the inner side walls of the fixed buckle holder 2 and the movable buckle cover 3 are concavely provided with buffer slots 61, four buffer slots 61 are arranged along the circumferential direction of the buckle cavity 31 and are uniformly arranged along the length direction of the buckle cavity 31 (see fig. 4), so that two buffer slots 61 are respectively arranged on the fixed buckle holder 2 and the movable buckle cover 3, the buffer blocks 6 are in one-to-one correspondence with the buffer slots 61, the buffer blocks 6 are slidably arranged on the walls of the buffer slots 61 along the circumferential direction of the buckle cavity 31, the buffer spring 7 is fixedly connected between the end wall of the buffer block 6 along the circumferential direction of the buckle cavity 31 and the walls of the buffer slots 61, one end of the buffer block 6 extending into the buckle cavity 31 is provided with a connecting screw slot 62, the connecting screw block 63 is connected with the internal thread of the connecting screw slot 62, the pressing, after fixed knot held in the palm 2 and the 3 locks of activity buckle closure, the cable is worn to establish in lock chamber 31, and the one end and the cable perisporium butt of buffer block 6 are kept away from to pressure head 5, in this embodiment moreover, still be provided with on fixed knot held in the palm 2 and the activity buckle closure 3 and be used for the buffering along the balanced subassembly 8 of cable length direction force of bearing between the stress point. When the cable is fixed, the fixed buckle support 2 and the movable buckle cover 3 are opened, the pressure head 5 with a proper size is selected, the pressure head 5 is installed on the buffer block 6, then the installation part of the cable is placed in the fixed buckle support 2, then the fixed buckle support 2 and the movable buckle cover 3 are buckled, the fixed buckle support 2 and the movable buckle cover 3 are locked by the buckling piece 4, the cable can be fixed on the support 1, and then the support 1 is fixed on the corresponding installation base body; in the use of cable, after external force acted on the cable, buffer block 6 slided and compressed buffer spring 7 in the groove is operated in the buffering, and balanced subassembly 8 avoids cable length direction's both ends position to receive reverse circumferential force as far as possible simultaneously to can effectively reduce the torsional damage of cable.
As shown in fig. 2 and fig. 3, in this embodiment, the pressure head 5 includes a hard connection head 51 integrally connected to the connection screw block 63 and a plurality of elastic suction cup nozzles 52 connected to an end of the hard connection head 51 away from the connection screw block 63, and after the pressure head 5 abuts against the cable peripheral wall, the elastic suction cup nozzles 52 will suck on the cable peripheral wall, so as to improve the connection stability between the pressure head 5 and the cable, so that the circumferential force applied to the cable can be stably transferred to the buffer block 6.
As shown in fig. 1 and fig. 2, in order to increase the service life of the anti-twisting fixing device, a mounting plate 9 is integrally connected to a side wall of the support 1 on one side of the outer side of the fixed buckle holder 2, meanwhile, the mounting plate 9 is located on one side of the rotating end of the movable buckle cover 3 in the width direction of the buckle cavity 31, one end of the mounting plate 9 away from the support 1 is connected to an elastic cover sheet 91, one end of the elastic cover sheet 91 away from the mounting plate 9 is provided with a connecting plate 92, a connecting groove 93 is concavely provided on the side wall of the support 1 on the other side of the outer side of the fixed buckle holder 2, and a fixing; after the fixed buckle support 2 and the movable buckle cover 3 are buckled by the buckling piece 4, the elastic cover sheet 91 is wound around the outer peripheral wall of the movable buckle cover 3, so that the elastic cover sheet 91 is attached to the outer peripheral walls of the fixed buckle support 2 and the movable buckle cover 3, and then the connecting block and the connecting groove 93 are clamped together by the fixing piece 94, so that the elastic cover sheet 91 is wrapped on the outer sides of the fixed buckle support 2 and the movable buckle cover 3 to form protection; in the embodiment, the elastic cover 91 is provided with an opening for the fastener 4, the fixed buckle holder 2 and the movable buckle cover 3 to pass through.
As shown in fig. 2, the fixing member 94 includes a fixed pushing groove 941 disposed on a groove wall of the connecting groove 93 at an end far away from the fixed buckle holder 2, and the fixed pushing groove 941 penetrates through the support 1 along a direction far away from the fixed buckle holder 2, the fixing member 94 further includes a fixed pushing rod 942 screwed into the fixed pushing groove 941 and a fixed inserting groove 943 recessed on a side wall of the connecting plate 92 facing the fixed pushing groove 941, and after the connecting block is inserted into the connecting groove, the fixed pushing rod 942 is rotated in the fixed pushing groove 941, so that the fixed pushing rod 942 gradually extends into the connecting groove 93 to be inserted into the fixed inserting groove 943, and the connecting block can be fixed in the connecting groove 93.
As shown in fig. 1 and 4, in the present embodiment, the fixed buckle holder 2 and the movable buckle cover 3 are respectively provided with an arc-shaped groove 21 along the end wall of the buckling cavity 31 in the length direction in a concave manner, after the fixed buckle holder 2 and the movable buckle cover 3 are buckled, the arc-shaped groove 21 forms a fixed ring groove 22, at this time, a receiving ring 23 is connected in the fixed ring groove 22 in a threaded manner, and one end of the receiving ring 23 far away from the fixed ring groove 22 is abutted against the peripheral wall of the cable, so that the fixed buckle holder 2 and the movable buckle cover 3 can be further fixed together, and meanwhile, both ends of the buckling cavity 31 are sealed.
As shown in fig. 5 and 6, the fastening member 4 includes a fastening head 41, a clamping head 42, a releasing spring 43 and a releasing block 44, the fastening head 41 is integrally connected to one end of the movable fastening cover 3 away from the rotating end, one end of the fixed fastening support 2 away from the rotating end is provided with a fastening groove 45 in a recessed manner, a groove wall of one end of the fastening groove 45 along the length direction of the fastening cavity 31 is provided with a releasing groove 46 in a recessed manner, the clamping head 42 is slidably arranged in the releasing groove 46 along the length direction of the fastening cavity 31, the releasing spring 43 is fixedly arranged between an end wall of the clamping head 42 away from the clamping groove 47 and a groove wall of the releasing groove 46, and a clamping groove 47 is provided in a recessed manner; one end of the release groove 46 close to the clamping groove 47 is provided with a limiting sliding groove 48, the limiting sliding groove 48 penetrates through the outer side wall of the fixed buckling support 2 along the direction perpendicular to the length direction of the buckling cavity 31, the release block 44 is arranged on the groove wall of the limiting sliding groove 48 in a sliding manner along the direction perpendicular to the length direction of the buckling cavity 31, and meanwhile, a release through groove 421 extending along the length direction of the buckling cavity 31 penetrates through the side wall of the release block 44; when the fixed buckle holder 2 and the movable buckle cover 3 are opened, the release through groove 421 is far away from the release groove 46, the chuck 42 is abutted with one end of the release block 44 far away from the clamping groove 47, and the release spring 43 is in a compressed state at the moment; after the fixed buckle holder 2 and the movable buckle cover 3 are buckled, the buckle head 41 is inserted into the buckle groove 45, then the release block 44 is moved in the limit sliding groove 48, so that the release through groove 421 is opposite to the release groove 46, and under the elastic action of the release spring 43, the clamp head 42 penetrates through the release through groove 421 and then is inserted into the clamp groove 47, so that the fixed buckle holder 2 and the movable buckle cover 3 are firmly buckled together.
As shown in fig. 6, in order to prevent the releasing block 44 from falling off from the limiting sliding groove 48, in an embodiment, a feeding groove 441 is formed in a peripheral wall of one side of the limiting sliding groove 48 away from the engaging cavity 31, a feeding pushing block 442 is connected to a groove wall of the feeding groove 441 in a threaded manner, one end of the releasing block 44 away from the engaging cavity 31 is rotatably connected to the feeding pushing block 442, and the feeding pushing block 442 is rotated, so that the feeding pushing block 442 drives the releasing block 44 to slide in the limiting sliding groove 48.
As shown in fig. 7, the balance assembly 8 is disposed in one-to-one correspondence with two adjacent press heads 5 along the length direction of the buckling cavity 31, the balance assembly 8 includes a pair of reversing rods 81 and a pair of telescopic sleeves 82, a balance cavity groove 83 communicating with the buffer groove 61 is disposed inside the fixed buckle holder 2 and the movable buckle cover 3, the balance cavity groove 83 extends along the length direction of the buckling cavity 31, the two reversing rods 81 form a pair, in this embodiment, a pair of reversing rods 81 is rotatably disposed in the balance cavity groove 83 between the adjacent press heads 5, the reversing rods 81 are arranged along the length direction of the buckling cavity 31, the telescopic sleeves 82 are slidably disposed at two ends of the reversing rods 81 along the length direction of the reversing rods 81, one ends of the adjacent two telescopic sleeves 82, which are far away from the reversing rods 81, are hinged, and the telescopic sleeves 82 at two ends of the reversing rods 81 are hinged to one end of the buffer block 6, which extends into the. Once the peripheral wall of the cable is subjected to a circumferential force at the location where it is connected to the indenter 5, the first reversing lever 81 and subsequently the second reversing lever 81 are rotated as a result of the action of the bellows 82, so that the indenter 5 connected to the second reversing lever 81 via the bellows 82 is subjected to a force in the same direction, thereby reducing the twisting force of the cable between the two indenters 5 along the length of the cable.
As shown in fig. 7, since the fixed buckle holder 2 and the movable buckle cover 3 of this embodiment are semi-cylindrical, when the buffer block 6 slides in the buffer slot 61, the buffer block 6 will also be caused to displace along the direction perpendicular to the length direction of the buckle cavity 31, in order to reduce the stress effect on the reversing lever 81 and the telescopic sleeve 82, the balance cavity slot 83 of this embodiment is fixedly provided with a shaft lever 811 relative to the cavity wall, and the shaft lever 811 is perpendicular to the sliding direction of the buffer block, the shaft lever 811 is perpendicular to the arrangement direction of the reversing lever 81, an abdicating through slot 812 is penetratingly provided on the lever wall of the reversing lever 81, the shaft lever 811 penetrates through the abdicating through slot 812, when the reversing lever 81 rotates, the shaft lever 811 and the abdicating through slot 812 axially slide along the shaft lever 811 and circumferentially rotate along the shaft lever 811, so as to satisfy the rotation of the reversing lever 81 and provide a displacement.
The working process is as follows:
when fixing the cable, open fixed knot and hold in the palm 2 and activity buckle closure 3, select the pressure head 5 of suitable size, install pressure head 5 on buffer block 6, then put into fixed knot with the installation department of cable and hold in the palm 2, then detain fixed knot and hold in the palm 2 and activity buckle closure 3 lock, buckle 41 pegs graft with catching groove 45 this moment, then rotate and feed ejector pad 442, make release through groove 421 relative with release groove 46, make dop 42 pass and peg graft with draw-in groove 47 behind the release through groove 421, can make fixed knot hold in the palm 2 and activity buckle closure 3 firmly the lock together, can fix the cable on support 1, then fix support 1 again on the corresponding arrangement base member can.
In the use of cable, after external force acted on the cable, buffer block 6 slided and compressed buffer spring 7 in the groove is operated in the buffering, and reversing lever 81 rotates simultaneously, reduces the torsion force that the cable was located between two pressure heads 5 along cable length direction to can effectively reduce the torsional damage of cable.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A protection type fixed knot constructs for power cable, includes support (1), its characterized in that: the fixing buckle is characterized by further comprising a fixing buckle support (2) arranged on the side wall of the support (1) and a movable buckle cover (3) rotatably arranged on the end wall of the fixing buckle support (2), wherein a buckling piece (4) is arranged between the fixing buckle support (2) and the end wall, far away from the rotating point, of the movable buckle cover (3); after the fixed buckling support (2) and the movable buckling cover (3) are buckled, the fixed buckling support (2) and the movable buckling cover (3) form a buckling cavity (31), and two ends of the buckling cavity (31) in the length direction are arranged in a penetrating manner; the anti-twist fixing device also comprises a pressure head (5), a buffer block (6) and a buffer spring (7), the inner side walls of the fixed buckle support (2) and the movable buckle cover (3) are provided with buffer grooves (61), the buffer grooves (61) are at least three along the circumferential direction of the buckling cavity (31) and are uniformly arranged along the length direction of the buckling cavity (31), the buffer block (6) is arranged in the buffer groove (61) in a sliding manner along the circumferential direction of the buckling cavity (31), the buffer spring (7) is arranged between the circumferential end wall of the buffer block (6) along the buckling cavity (31) and the groove wall of the buffer groove (61), the pressure head (5) is arranged at one end of the buffer block (6) extending into the buckling cavity (31), one end of the pressure head (5) far away from the buffer block (6) is abutted against the peripheral wall of the cable, and the fixed buckle support (2) and the movable buckle cover (3) are also provided with a balance component (8) for buffering the force between the stress points along the length direction of the cable.
2. A protective fixing structure for electric power cables according to claim 1, characterized in that: the balance assembly (8) and two adjacent pressure heads (5) along the length direction of the buckling cavity (31) are arranged in a one-to-one correspondence mode, the balance assembly (8) comprises reversing rods (81) and telescopic sleeves (82), a balance cavity groove (83) communicated with the buffer groove (61) is arranged in the fixed buckle support (2) and the movable buckle cover (3), the balance cavity groove (83) extends along the length direction of the buckling cavity (31), the reversing rods (81) form a pair, the balance cavity groove (83) between the adjacent pressure heads (5) is provided with at least one pair of reversing rods (81) in a rotating mode, the reversing rods (81) are arranged along the length direction of the buckling cavity (31), the telescopic sleeves (82) are arranged at two ends of the reversing rods (81) in a sliding mode along the length direction of the reversing rods (81), and the telescopic sleeves (82) are arranged in a hinged mode at one end, away from the reversing rods (81), of the telescopic sleeves (82), the telescopic sleeves (82) positioned at the two ends of the arrangement direction of the reversing rods (81) are hinged with one end, extending into the balance cavity groove (83), of the buffer block (6).
3. A protective fixing structure for electric power cables according to claim 1, characterized in that: the buckling piece (4) comprises a buckle head (41), a clamping head (42), a releasing spring (43) and a releasing block (44), the buckle head (41) is arranged at one end, away from the rotating end, of the movable buckle cover (3), a buckle groove (45) is arranged at one end, away from the rotating end, of the fixed buckle support (2), the buckle head (41) is connected with the buckle groove (45) in an inserting mode, a releasing groove (46) is formed in a groove wall of one end, in the length direction of the buckling cavity (31), of the buckle groove (45) in a concave mode, the clamping head (42) is arranged in the releasing groove (46) in a sliding mode in the length direction of the buckling cavity (31), a clamping groove (47) is formed in a side wall, opposite to the clamping head (41), of the releasing spring (43) is arranged between an end wall, away from the clamping groove (47), of the clamping head (42) and the releasing groove (46), a limiting sliding groove (48) is arranged at one end, close to, the limiting sliding groove (48) penetrates through the outer side wall of the fixed buckling support (2) along the direction perpendicular to the length direction of the buckling cavity (31), the releasing block (44) is arranged on the groove wall of the limiting sliding groove (48) in a sliding mode along the direction perpendicular to the length direction of the buckling cavity (31), and a releasing through groove (421) extending along the length direction of the buckling cavity (31) penetrates through the side wall of the releasing block (44); when the release through groove (421) is far away from the release groove (46), the clamping head (42) is abutted with one end, far away from the clamping groove (47), of the release block (44), and the release spring (43) is in a compressed state; when the release through groove (421) is opposite to the release groove (46), the clamping head (42) penetrates through the release through groove (421) and then is inserted into the clamping groove (47).
4. A protective fixing structure for electric power cables according to claim 2, characterized in that: balance chamber groove (83) is fixed between the relative chamber wall and is provided with axostylus axostyle (811), axostylus axostyle (811) hangs down in the slip direction of buffer block (6), the array direction of axostylus axostyle (811) perpendicular to switching-over pole (81), it is provided with logical groove of stepping down (812) to run through on switching-over pole (81) pole wall, axostylus axostyle (811) is worn to establish in logical groove of stepping down (812), axostylus axostyle (811) and logical groove of stepping down (812) are followed axostylus axostyle (811) axial.
5. A protective fixing structure for electric power cables according to claim 1, characterized in that: the fixed buckle support (2) and the movable buckle cover (3) are respectively provided with an arc-shaped groove (21) along the end wall of the buckling cavity (31) in the length direction; work as fixed knot holds in the palm (2) and activity buckle closure (3) lock back, arc wall (21) form fixed annular (22), fixed annular (22) internal thread connection has receipts ring (23), receive ring (23) and keep away from the one end and the cable perisporium butt of fixed annular (22).
6. A protective fixing structure for electric power cables according to claim 1, characterized in that: the one end that buffer block (6) stretched out buffer slot (61) is provided with connects spiral shell groove (62), the one end that pressure head (5) are close to buffer block (6) is provided with connects spiral shell piece (63), connect spiral shell groove (62) and be connected spiral shell piece (63) threaded connection.
7. A protective fixing structure for electric power cables according to claim 1, characterized in that: the pressure head (5) comprises a hard connecting head (51) connected with the buffer block (6) and a plurality of elastic sucker nozzles (52) arranged at one end, far away from the buffer block (6), of the hard connecting head (51).
8. A protective fixing structure for electric power cables according to claim 3, characterized in that: the limiting chute (48) is provided with a feeding groove (441) in the peripheral wall of one side far away from the buckling cavity (31), the wall of the feeding groove (441) is in threaded connection with a feeding push block (442), and one end, far away from the buckling cavity (31), of the release block (44) is rotatably connected with the feeding push block (442).
9. A protective fixing structure for electric power cables according to claim 1, characterized in that: a mounting plate (9) is arranged on the side wall of one side, located on the outer side of the fixed buckle support (2), of the support (1), the mounting plate (9) is located on two sides of the width direction of the buckling cavity (31), an elastic cover sheet (91) is arranged on the mounting plate (9), a connecting plate (92) is arranged at one end, far away from the mounting plate (9), of the elastic cover sheet (91), and a connecting groove (93) is arranged on the side wall of the other side, located on the outer side of the fixed buckle support (2), of the support (1); after the fixed buckle support (2) and the movable buckle cover (3) are buckled, the connecting block is clamped with the connecting groove (93), and the elastic cover sheet (91) is attached to the outer peripheral walls of the fixed buckle support (2) and the movable buckle cover (3); the support (1) is provided with a fixing piece (94) for fixing the connecting block.
10. A protective fixing structure for electric power cables according to claim 9, characterized in that: fixing piece (94) including set up fixed push away groove (941) of keeping away from on fixed knot support (2) one end cell wall at spread groove (93), fixed push away groove (941) along the direction of keeping away from fixed knot support (2) and run through support (1), fixing piece (94) still include fixed push rod (942) and the sunken fixed slot (943) of setting on connecting plate (92) fixed push away groove (941) one side lateral wall of threaded connection in fixed push away groove (941), the one end that fixed push rod (942) stretched into spread groove (93) is pegged graft with fixed slot (943).
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CN112503646A (en) * | 2020-12-15 | 2021-03-16 | 马鞍山市博浪热能科技有限公司 | Protective buckle for air conditioner outdoor unit filter and preparation method and application thereof |
CN112803316A (en) * | 2020-12-31 | 2021-05-14 | 南京敦韬建筑工程有限公司 | Cable laying torsion-proof fixing device |
CN112815152A (en) * | 2021-01-23 | 2021-05-18 | 浙江亿火建筑科技有限公司 | Drainage combination one-way antidetonation support |
CN112952686A (en) * | 2021-04-22 | 2021-06-11 | 深圳市龙城亿达实业有限公司 | Power cable engineering installation construction protector |
CN113788241A (en) * | 2021-11-15 | 2021-12-14 | 山东三星机械制造有限公司 | Corrosion-resistant container |
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CN112503646A (en) * | 2020-12-15 | 2021-03-16 | 马鞍山市博浪热能科技有限公司 | Protective buckle for air conditioner outdoor unit filter and preparation method and application thereof |
CN112503646B (en) * | 2020-12-15 | 2024-05-24 | 马鞍山市博浪热能科技有限公司 | Protective buckle for air conditioner outdoor unit filter and preparation method and application thereof |
CN112803316A (en) * | 2020-12-31 | 2021-05-14 | 南京敦韬建筑工程有限公司 | Cable laying torsion-proof fixing device |
CN112815152A (en) * | 2021-01-23 | 2021-05-18 | 浙江亿火建筑科技有限公司 | Drainage combination one-way antidetonation support |
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CN113788241A (en) * | 2021-11-15 | 2021-12-14 | 山东三星机械制造有限公司 | Corrosion-resistant container |
CN115231129A (en) * | 2022-05-30 | 2022-10-25 | 广州电缆厂有限公司 | Cable drum utensil fixing device |
CN115231129B (en) * | 2022-05-30 | 2023-10-17 | 广州电缆厂有限公司 | Cable reel fixing device |
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